Entries |
Document | Title | Date |
20080211992 | Diode substrate of LCD - A liquid crystal display (LCD) has a novel diode substrate. With the substrate, heat is well dissipated. The substrate can be easily manufactured. And, thus, the cost for the LCD is reduced. | 09-04-2008 |
20080211993 | LED BACKLIGHT DEVICE AND LCD DEVICE - An LED backlight device includes a substrate having an optical transparency and an LED thin-film layered structure fixed to a first surface of the substrate. The LED thin-film layered structure is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode and a cathode electrode are formed on the LED thin-film layered structure. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film layered structure. A wiring structure electrically connects the anode driver IC and the anode electrode of the LED thin-film layered structure and electrically connects the cathode driver IC and the cathode electrode of the LED thin-film layered structure. A phosphor is formed on the second surface of the substrate opposite to the first surface. | 09-04-2008 |
20080218662 | LED BACKLIGHT DEVICE AND LCD DEVICE - A backlight device includes a first substrate, and an LED thin-film layered structure (epitaxially grown inorganic material layers) fixed to a surface of the first substrate. An anode electrode and a cathode electrode are formed on the LED thin-film layered structure. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film layered structure. A wiring structure electrically connects the anode driver IC and the anode electrode of the LED thin-film layered structure, and electrically connects the cathode driver IC and the cathode electrode of the LED thin-film layered structure. A second substrate has an optical transparency and is disposed to face the surface of the first substrate on which the LED thin-film layered structure is formed. A phosphor is formed on a surface of the second substrate facing the first substrate and is disposed on a position corresponding to the LED thin-film layered structure. | 09-11-2008 |
20080231776 | Backlight assembly and liquid crystal display having the same - A backlight assembly is disclosed. The assembly includes a first substrate, a second substrate disposed adjacent to the first substrate and electrically connected to the first substrate, one or more light sources respectively disposed on the first and second substrates, a power-supply unit that is electrically connected to the first substrate and applies drive voltage to the light sources, and a bottom receiving container on the first substrate and the second substrate, in which the drive voltage is applied the first substrate, and is transmitted to the electrically connected second substrate through the first substrate. | 09-25-2008 |
20080239206 | Ba-Sr-Ca CONTAINING COMPOUND AND WHITE LIGHT EMITTING DEVICE INCLUDING THE SAME - Disclosed is a compound comprising Ba—Sr—Ca obtained by heat treating, under a reducing atmosphere, a starting material which is a blend comprising Ba oxide; Sr oxide; Ca oxide; an oxide of Eu, Mn, Sm, Sn, Sb, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Yb, or Bi; Mg oxide; and an oxide of Si or Ge; the blend being mixed together in a molar ratio of x:y:z:(7-x-y-z):a:b, where 010-02-2008 | |
20080246902 | LCD PANEL - A LCD panel is provided. The LCD panel includes a front substrate, a plurality of first phosphor composites, a plurality of second phosphor composites, a black matrix, a transparent electrode, a TFT array substrate and a liquid crystal layer. The liquid crystal layer is sandwiched between the front substrate and the TFT array substrate. The first phosphor composites, the second phosphor composites, the black matrix and the transparent electrode are disposed on the front substrate. The black matrix divides the front substrate into three windows including first windows, second windows and third windows periodically, wherein the first phosphor composites are disposed on the first windows, and the second phosphor composites are disposed on the second windows. The first phosphor composites and the second phosphor composites are capable of converting the primary light shinning towards the LCD panel into different colors respectively. | 10-09-2008 |
20080259251 | GREEN EMITTING PHOSPHOR, LIGHT EMITTING DEVICE INCLUDING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING LIGHT EMISSION DEVICE AS BACKLIGHT UNIT - A green emitting phosphor of the following composition: Sr | 10-23-2008 |
20080259252 | LIQUID CRYSTAL DISPLAY DEVICE - An illumination device using a plurality of LED light sources each of which is driven by a single power supply is provided to attain simple operational response and voltage control. | 10-23-2008 |
20080266490 | LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - A lighting apparatus with a plurality of light emitting panels (for example, organic EL panels) arranged in a plane to form a light emitting panel layer (organic EL panel arrangement) and a plurality of such light emitting panel layers (light emitting panel layers) are laminated to form a light emitting panel lamination section. Organic EL panels of the single-sided light emitting type and organic EL panels of the double-sided light emitting type can be individually juxtaposed in a plane to form the organic EL panel arrangements which are laminated in a displaced relationship from each other. | 10-30-2008 |
20080291366 | ELECTRON EMITTER APPARATUS, A FABRICATION PROCESS FOR THE SAME AND A DEVICE UTILISING THE SAME - A field effect electron emitting apparatus is prepared by depositing a plurality of nano-wires | 11-27-2008 |
20080303981 | Electroluminescent Displays - An electroluminescent display of the type having a switchable electroluminescent (EL) material backlight ( | 12-11-2008 |
20080303982 | Double-sided organic light emitting display and driving method thereof - A method of driving a double-sided light emitting display may include driving a panel to emit light toward a first surface and a second surface thereof, the panel including a first light controlling panel on the first surface thereof, a second light controlling panel on the second surface thereof, and pixels formed therein, and controlling transmission of light through each of the first light controlling panel and the second light controlling panel. | 12-11-2008 |
20080303983 | DISPLAY DEVICE - The invention is directed to a higher contrast in a display device having a lighting device as a front light. A lighting portion is attached to a reflective liquid crystal display portion. A first transparent substrate and a second transparent substrate made of a glass substrate etc. are attached to each other with a sealing layer coated on those peripheral portions therebetween. The back surface of the first transparent substrate is attached to the reflective liquid crystal display portion, and an organic EL element is formed on the front surface of the first transparent substrate. The organic EL element is sealed in a space surrounded by the first transparent substrate, the second transparent substrate, and the sealing layer. The organic EL element is formed in a region corresponding to a pixel region of the reflective liquid crystal display portion. A desiccant layer is formed on the front surface of the second transparent substrate. | 12-11-2008 |
20080309850 | DISPLAY DEVICE - The invention is directed to a higher contrast in a display device having a lighting device as a front light. A lighting portion is attached to a reflective liquid crystal display portion. A first transparent substrate and a second transparent substrate made of a glass substrate etc. are attached to each other with a sealing layer coated on those peripheral portions therebetween. The back surface of the first transparent substrate is attached to the reflective liquid crystal display portion, and an organic EL element is formed on the front surface of the first transparent substrate. The organic EL element is sealed in a space surrounded by the first transparent substrate, the second transparent substrate, and the sealing layer. The organic EL element is formed in a region corresponding to a pixel region of the reflective liquid crystal display portion. A desiccant layer is formed on the front surface of the second transparent substrate. | 12-18-2008 |
20090002603 | Blue Emitting Alkaline Earth Chlorophosphate Phosphor for Cold Cathode Fluorescent Lamp, and Cold Cathode Fluorescent Lamp and Color Liquid Crystal Display Using Same - This invention provides an alkaline earth chlorophosphate phosphor for a blue light emitting cold cathode fluorescent lamp, represented by (Sr | 01-01-2009 |
20090009690 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS LIGHT SOURCE - A light emission device for improving high voltage stability and a display device using the same as a light source includes first and second substrates facing each other, an electron emission unit located on one side of the first substrate and including a plurality of electron emission elements, and a light emission unit located on one side of the second substrate and emitting a visible light. Each of the electron emission elements includes first electrodes spaced apart from each other by a predetermined interval along a first direction of the first substrate, second electrodes arranged between the first electrodes along the first direction, and first electron emission regions electrically connected to the first electrodes and formed at a predetermined height lower than that of the first electrodes. | 01-08-2009 |
20090015757 | LIGHT EXTRACTION FILM FOR ORGANIC LIGHT EMITTING DIODE LIGHTING DEVICES - A multifunctional optical film for enhancing light extraction includes a flexible substrate, a structured layer, and a backfill layer. The structured layer effectively uses microreplicated diffractive or scattering nanostructures located near enough to the light generation region to enable extraction of an evanescent wave from an organic light emitting diode (OLED) device. The backfill layer has a material having an index of refraction different from the index of refraction of the structured layer. The backfill layer also provides a planarizing layer over the structured layer in order to conform the light extraction film to a layer of an OLED lighting device such as solid state lighting devices or backlight units. The film may have additional layers added to or incorporated within it to an emissive surface in order to effect additional functionalities beyond improvement of light extraction efficiency. | 01-15-2009 |
20090015758 | POLARIZED LIGHT-EMITTING DEVICE - Polarized light-emitting device with a light source, multiple layers of first optical thin films and second optical thin films alternately stacked is disclosed. Each first optical thin film has a number of first geometric units, and each second optical thin film has a number of second geometric units. The first geometric units and the second geometric units are arranged as a secondary periodic structure on the light-emitting surface of the light source. The polarized light-emitting device is able to provide polarized light with higher brightness and polarized light of a specified polarization characteristic. | 01-15-2009 |
20090015759 | LIGHT EMISSION CONTROL CIRCUIT, LIGHT EMISSION CONTROL METHOD, FLAT ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME DEVICE - There is provided a light emission control circuit being capable of simplifying a power source circuit reducing costs and power consumption. A constant current circuit is serially connected to a specified light emitting device group out of a plurality of light emitting device groups and a power source circuit supplies power to each light emitting device group and a current detecting unit detects a current flowing through a specified light emitting device group and a power control unit controls a power source circuit based on a pre-set current value and on a detected value. | 01-15-2009 |
20090046221 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates, a liquid crystal layer provided between the pair of substrates, and a pair of alignment films provided on sides of the pair of substrates facing the liquid crystal layer. At least one of the alignment films is a photo-alignment film which is imparted with an orientation regulating force through a photo-alignment treatment, and the illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying. | 02-19-2009 |
20090046222 | Electroluminescent Films for Backlighting Liquid Crystal Displays - The present invention replaces the conventional cold cathode fluorescent tubes used in backlighting units of liquid crystal displays with an integrated electro-luminescent film structure, subdivided into electrically isolated micro-panels. Ideally, the electro-luminescent structure comprises separate red, green and blue micro-panels providing full color capabilities. Alternatively, the electro-luminescent film structure includes stacked groups of layers, in which each group emits a different color and is independently controllable. | 02-19-2009 |
20090059131 | LAMP AND LIQUID CRYSTAL DISLAY INCLUDING THE SAME - Disclosed is a lamp and a liquid crystal display device having the same. The lamp includes a discharge tube having an inner wall coated with a phosphor; a first electrode containing a first metallic material having a first sputtering rate provided at one end of the discharge tube; and a second electrode containing a second metallic material having a second sputtering rate provided at the other end of the discharge tube, wherein the first sputtering rate is larger than the second sputtering rate. | 03-05-2009 |
20090066881 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS LIGHT SOURCE - A light emission device includes a vacuum chamber including a first substrate, a second substrate spaced from and facing the first substrate, and a sealing member between the first substrate and the second substrate. An electron emission unit is on the first substrate, the electron emission unit including a plurality of electron emission elements. A light emission unit is on the second substrate, the light emission unit including a phosphor layer. A barrier is spaced from the sealing member between the first substrate and the second substrate. At least one stud pin is fixed on at least one of the sealing member and the barrier and a getter unit is attached to the at least one stud pin, the getter unit fixed between the sealing member and the barrier. | 03-12-2009 |
20090073349 | THREE-DIMENSIONAL MICROFABRICATION METHOD USING PHOTOSENSITIVE NANOCRYSTALS AND DISPLAY DEVICE - Example embodiments provide a three-dimensional microfabrication method using photosensitive nanocrystals is provided. The method comprises the steps of preparing a photosensitive composition comprising a photocurable compound and nanocrystals whose surface is coordinated with a compound having a photosensitive group, applying the photosensitive composition to a substrate and drying the photosensitive composition to form a thin film, and subjecting the thin film to three-dimensional microfabrication. According to the method, nanocrystals are arranged in a three-dimensional array to form photonic crystals or a three-dimensional structure. The three-dimensional structure can be used for the fabrication of micro-electro-mechanical systems (MEMS), thus contributing to the manufacture of display devices and electronic devices on a nanometer scale. Example embodiments also provide a display device using the three-dimensional structure of nanocrystals. | 03-19-2009 |
20090073350 | LED backlight device and LCD device - An LED backlight device includes a first substrate having optical transparency and having first and second surfaces. An LED thin-film layered structure is fixed to the first surface of the first substrate, and is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode of the LED thin-film layered structure is connected to an anode driver IC via an anode wiring. A cathode electrode of the LED thin-film layered structure is connected to a cathode driver IC via a cathode wiring. A phosphor is provided on the second surface of the first substrate. The LED backlight device further includes a second substrate having optical transparency and having first and second surfaces. The first surface of the second substrate faces the first surface of the first substrate. A reflection layer is provided on the second surface of the second substrate. | 03-19-2009 |
20090091689 | DISPLAY DEVICE - In a display device, first and second substrates parallel to each other are arranged between first and second polarizers that are parallel to each other. A liquid crystal layer is arranged between the first and second substrates, and a light emitting layer having a quantum dot structure is arranged on the first polarizer. Also, a light source that emits a blue light is arranged under the second polarizer. Thus, the display device may improve a light utilizing efficiency, thereby improving a display quality. | 04-09-2009 |
20090135338 | LIQUID CRYSTAL DISPLAY - An liquid crystal display including a backlight module and an LCD panel is disclosed. The backlight module has a white light source, and the normalized optical spectrum of the backlight module is BL(λ) The LCD panel includes a red color filter layer, a green color filter layer and a blue color filter layer. The green color filter layer and the backlight module are subject to the following relationship: E=C/D and E≧0.8, wherein A is defined as the wavelength corresponding to the maximum peak value of CF | 05-28-2009 |
20090147185 | Reflective One-Way Screen with Chromatic and Transparent Regions - A one-way display system has a display layer with opaque active pixels and transparent inactive pixels interspersed with the active pixels. Each active pixel has a chromatic side and an opaque side. The active pixels is able to form an image visible from a first side of the display layer but not from a second side of the display layer, and the inactive pixels allows objects on the first side of the display layer to be seen from the second side of the display layer. | 06-11-2009 |
20090161040 | POLARIZED LIGHT EMITTING DIODE AND USE THEREOF - Provided is a light emitting diode (LED). The LED, in one embodiment, includes a reflective layer located over a substrate and a quarter wave plate emitter layer located over the reflective layer. The quarter wave plate emitter layer, in this embodiment, is substantially crystalline in nature, and further wherein an extra-ordinary axis of the quarter wave plate emitter layer is located in a plane thereof. The LED, in this embodiment, further includes a transmissive/reflective polarization layer located over the quarter wave plate emitter layer, wherein a transmission direction of the transmissive/reflective polarization layer is oriented at about 45 degrees with respect to the extra-ordinary axis. | 06-25-2009 |
20090161041 | LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A light source device includes a plurality of juxtaposed discharge tubes, each of which includes an internal electrode at least at one end, is made of transmissive material, has a phosphor layer formed at the inner side of the discharge tube, and is filled with a discharge gas containing xenon, an external electrode which is conductive and flat-shaped, is spaced from the plurality of discharge tubes by a specific distance, and is connected electrically to the grounding potential, and a conductive member electrically configured to connect the outer surface of all of the plurality of discharge tubes to the external electrode. | 06-25-2009 |
20090167991 | DISPLAY DEVICE WITH ILLUMINATION LIGHT SOURCE - A display device includes a lower substrate, comprising reflective display pixel electrodes, an upper substrate and a liquid crystal layer provided between the substrates. A light source is provided on the upper substrate for illuminating the display electrodes through the liquid crystal layer. This arrangement provides a top light as an integrated structure within the liquid crystal display structure. The illumination can be efficiently provided to the pixel electrodes. This means that a light source pattern used can provide small light source areas. | 07-02-2009 |
20090207346 | Aromatic polymer - Disclosed is an aromatic polymer containing one or more repeating units represented by the following formula (1). (In the formula, Ar | 08-20-2009 |
20090237596 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A backlight unit includes; a light emitting diode including a light output part, a light guide plate having a light input part positioned substantially opposite to the light output part of the light emitting diode, a mold frame configured to receive and fix the light emitting diode and the light guide plate therein, and a projection part disposed on the mold frame in a position corresponding to the light emitting diode and the light input part of the light guide plate, wherein a distance between the projection part and the light input part of the light guide plate is shorter than a distance between one side of the light output part of the light emitting diode and a rear surface of the other side of the light emitting diode | 09-24-2009 |
20090251639 | LIQUID CRYSTAL DISPLAY - An LCD includes a backlight module and an LCD panel. The optical spectrum of the backlight module has a maximum luminance peak less than the wavelength of 470 nm and a maximum luminance peak between the wavelengths of 520 nm and 600 nm. The LCD panel is disposed over the backlight module and has a red filter layer, a green filter layer and a blue filter layer. The green filter layer is subject to the following condition: under illumination of a CIE 1931 standard light source C, the x coordinate and the y coordinate of the green filter layer on a CE 1931 chromaticity coordinate diagram are represented by G | 10-08-2009 |
20090251640 | LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) including a backlight module and an LCD panel is provided. The backlight module has at least one white light source. A light-emitting spectrum of the backlight module has a relative maximum brightness peak value between wavelengths of 430 nm and 470 nm and between wavelengths of 520 nm and 620 nm respectively. The LCD panel disposed above the backlight module includes a plurality of substrates and a liquid crystal layer located there-between. One of the substrates has a red filter layer, a green filter layer, and a blue filter layer. Specially, Rx and Ry respectively represent an x coordinate and a y coordinate of the red filter layer in a CIE 1931 chromaticity diagram under a CIE standard light source C, where Rx≧0.65 and Ry≦0.32. | 10-08-2009 |
20090273737 | Electroluminescent Displays - An electroluminescent display of the type having a switchable electroluminescent (EL) material backlight mounted behind a mask defining the information to be displayed. The mask is constructed as a layer of physically-stabilised Liquid Crystal (LC) material switchable to define the information to be displayed. The LC mask and the EL backlight are constructed as a single entity | 11-05-2009 |
20090303418 | COLOR FILTERS AND DISPLAY DEVICE HAVING COLOR FILTERS - A color filter may include a red pigment as a main component of a pigment, and at least one of a green pigment and a blue pigment as an additional pigment at 0.5-10 wt % among the entire pigment. The color filter may include a green pigment as a main component of a pigment, and at least one of a red pigment, a blue pigment, and a violet pigment at 0.5-10 wt % as an additional pigment among the entire pigment. The color filter may include a blue pigment as the main component of the pigment, and at least one of a red pigment and a green pigment as the additional pigment at 0.5-10 wt % among the entire pigment. | 12-10-2009 |
20090310065 | REMOVABLE TILES FOR ELECTRONIC DISPLAY BACKLIGHTS - Exemplary embodiments include a backlight assembly for an electronic display wherein said backlight assembly is comprised of a plurality of tiles. Each tile has a plurality of lights attached to it, such that when a single light or group of lights fail, the tile may be replaced without having to replace the entire backlight assembly. The lights in the assembly may be any one of the following: light emitting diodes (LED), organic light emitting diodes (OLED), field emitting display (FED), light emitting polymer (LEP), and organic electro-luminescence (OEL). Embodiments also allow tiles to be removed from the rear of the display and dissipate heat from the lights to the rear of the backlight assembly. | 12-17-2009 |
20090310066 | LED tile Luminance control circuitry and display containing the same - Exemplary embodiments include a backlight assembly for a display wherein the backlight assembly is comprised of a plurality of tiles. Each tile has a plurality of lights attached to it, such that when a single light or group of lights fail, the tile may be replaced without having to replace the entire backlight assembly. The current draw and/or illumination of each tile is calibrated and maintained throughout the life of the display to ensure a uniform distribution of light across the backlight assembly. | 12-17-2009 |
20100053506 | LIQUID CRYSTAL DISPLAY USING THE SAME - An LED back-light unit and other devices using the LED back-light unit are discussed. According to one embodiment, an LED back-light unit includes a light guide portion that includes a light guide plate and a reflection plate coupled to the light guide plate, wherein the light guide plate has a light input part and a first connection part, and wherein the reflection plate has a second connection part connected to the first connection part, and a light source including at least one light emitting diode, the light source emitting light toward the light guide portion. | 03-04-2010 |
20100060821 | LIGHT OUTPUT DEVICE AND CONTROL METHOD - The present invention relates to a light output device ( | 03-11-2010 |
20100066947 | HIGH OUTPUT LED BASED ILLUMINATOR THAT REPLACES CCFLS FOR LCD BACKLIGHTS - A LCD illuminator ( | 03-18-2010 |
20100073602 | INDOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having an indole ring structure and a phosphorescent compound. | 03-25-2010 |
20100073603 | BENZOTRIAZOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having a benzotriazole ring structure and a phosphorescent compound. | 03-25-2010 |
20100097543 | Liquid Crystal Display Structure - A liquid crystal display structure is provided. The liquid crystal display structure includes a liquid crystal panel and a backlight module. The liquid crystal panel has a liquid crystal layer including photo-polymerizable monomers. The backlight module has a light emitting unit for emitting an output light. A difference between the smallest value of the spectrum interval of the output light and the largest value of the absorption spectrum interval of the photo-polymerizable monomer in the liquid crystal layer is larger than or equal to 40 nm. | 04-22-2010 |
20100128202 | PIXEL STRUCTURE - A pixel structure includes a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel. The red sub-pixel, the green sub-pixel and the blue sub-pixel are suitable for providing a first white light, and a chroma coordinate of the first white light is (x | 05-27-2010 |
20100134723 | ELECTROLUMINESCENT DISPLAYS - An electroluminescent display comprising a mask ( | 06-03-2010 |
20100141872 | FLEXIBLE LIQUID CRYSTAL DISPLAY DEVICE - A flexible liquid crystal display device includes a first flexible substrate having a display region and a non-display region at a periphery of the display region; an organic electroluminescent diode including a first electrode on the first flexible substrate, an organic emitting layer on the first electrode and a second electrode on the organic emitting layer, wherein each of the first electrode, the organic emitting layer and the second electrode covering an entire surface of the display region; a buffer layer on the organic electroluminescent diode; a gate line on the buffer layer; a data line over the buffer layer and crossing the gate line to define a pixel region at the display region; a thin film transistor connected to the gate and data lines; a pixel electrode connected to the thin film transistor; a second flexible substrate facing the first flexible substrate; a common electrode on the second flexible substrate; and a liquid crystal layer between the pixel and common electrodes. | 06-10-2010 |
20100157202 | CONJUGATED POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE USING THE SAME - A polymer compound which is useful as a light emitting material and a charge transporting material and excellent in electron injection property, comprising as a partial structure therein a structure of the following formula (a) is provided: | 06-24-2010 |
20100165255 | SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - It is an object to provide a liquid crystal display device capable of displaying a moving image with high image quality by employing a time-division display system (also called a field-sequential system) with the use of a plurality of light-emitting diodes (hereinafter referred to as LEDs) as a backlight. Further, it is an object to provide a liquid crystal display device in which high image quality, full color display, or low power consumption is realized by adjustment of the peak luminance. After a liquid crystal layer is sealed between a pair of substrates, polymer stabilization treatment is performed with the use of UV irradiation from both above and below the pair of substrates at the same time, whereby the polymer included in the liquid crystal layer sandwiched between the pair of substrates is evenly distributed. Thus, a liquid crystal display device is manufactured. | 07-01-2010 |
20100171905 | TRANSFLECTIVE DISPLAY PANEL - A transflective display panel includes a first substrate, a plurality of electroluminescent (EL) elements disposed on the first substrate, a plurality of reflectors disposed on the first substrate, a second substrate disposed opposite to the first substrate, a plurality of transparent electrodes disposed on a side of the second substrate opposite to the first substrate, a plurality of color filter layers disposed on a side of the second substrate opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. Accordingly, a problem of insufficient contrast ratio of the transflective display panel can be solved, when the ambient light is too high. | 07-08-2010 |
20100177264 | LIGHT-EMITTING MATERIAL CONTAINING METAL COMPLEX AND PHOTOELECTRIC DEVICE USING SAME - Disclosed is a material having charge-transporting properties, which contains a neutral metal complex having a partial structure represented by the general formula (1) below and at least two multidentate ligands, or such a metal complex structure. (In the formula, M represents a transition metal or a lanthanoid; Ar1 and Ar2 independently represent an optionally substituted divalent aromatic ring; and X | 07-15-2010 |
20100177265 | ORGANIC LIGHT EMITTING DIODE DISPLAY WITH A MIRROR FUNCTION - The present disclosure relates to an organic light emitting diode (OLED) display having a mirror function to reflect external light for when the OLED display does not emit light. The organic light emitting diode display includes a substrate member, an organic light emitting element formed on the substrate member, a phase retardation plate formed on the organic light emitting element, and a selective reflective layer formed on the phase retardation plate. The selective reflective layer selectively passes some light from outside and reflects the rest. | 07-15-2010 |
20100188613 | COLOR CONVERTING MEMBER, METHOD OF MANUFACTURING THE SAME, LIGHT EMITTING DEVICE, AND DISPLAY DEVICE - A color converting member is capable of suppressing deterioration in a phosphor by a simple manufacturing process. A method of manufacturing a color converting member includes a process of molding a resin material into a shape. In the process, molding the resin material and the phosphor integrally into a shape is performed, after kneading a phosphor that converts one color light to another color light into the resin material. | 07-29-2010 |
20100195024 | Backlight assembly for liquid crystal display device - A backlight assembly for a liquid crystal display device including an LED backlight unit including a plurality of light emitting diode strings coupled to a plurality of current balancing circuits, a backlight driver including a light emitting diode driver that supplies current to the light emitting diode strings, and a connector electrically connecting the plurality of current balancing circuits to the light emitting diode driver. | 08-05-2010 |
20100328582 | PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A planar light source device includes a lower substrate, a cathode electrode a carbon nanotube, an upper substrate, a fluorescent layer, and an anode electrode. The cathode electrode is on the lower substrate. The carbon nanotube is electrically connected to the cathode electrode. The upper substrate faces the lower substrate. The fluorescent layer and the anode electrode are formed on the upper substrate. Therefore, the planar light source device generates light without using mercury. | 12-30-2010 |
20110043725 | LED LCD Backlight with Lens Structure - In described embodiments, a thin film transistor (TFT) liquid crystal display (LCD) structure incorporates a white light emitting diode (LED) structure for backlighting. White LEDs are formed behind each TFT cell, allowing for display “black” as a function of a nematic layer, on the TFT substrate, while increasing intensity of the LED LCD backlight structure. A lens structure might be formed between the LEDs and the TFT substrate to reduce a number of LED sources for a given backlight intensity. | 02-24-2011 |
20110043726 | Display with split electrode between two substrates - A light shutter and an EL panel are sandwiched between two substrates, one of which includes a common front electrode. The common front electrode is electrically floating. Patterned rear electrodes, on either side of the EL panel, are capacitively coupled to each other by the common front electrode. The rear electrodes can be segmented and the segments addressed individually. Each substrate is coated with a layer of PDLC and the substrates are laminated by joining the layers of PDLC. | 02-24-2011 |
20110075072 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal panel; a plurality of light emitting diode units to supply light to the liquid crystal panel; and a scan line and a light emission data line connected to the LED unit, wherein the scan line and the light emission data line transfer a scan signal and a light emission data current, respectively, wherein the LED unit includes: a switching circuit that is connected to the scan line and the light emission data line; a current mirror circuit that is connected to the switching circuit, and that outputs a light emission current in response to the light emission data current; and an LED that emits the light in response to the light emission current. | 03-31-2011 |
20110090429 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates, a liquid crystal layer provided between the pair of substrates, and a pair of alignment films provided on sides of the pair of substrates facing the liquid crystal layer. At least one of the alignment films is a photo-alignment film which is imparted with an orientation regulating force through a photo-alignment treatment, and the illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying. | 04-21-2011 |
20110176090 | DISPLAY DEVICE AND FABRICATION METHOD THEREOF - A display device and its fabrication method are disclosed. According to one aspect, the method for fabricating a display device includes forming a first element unit including a first reflector layer, a light emitting part and a common electrode on a lower substrate, and forming a second element unit including a floating electrode, a photocurrent layer and a signal electrode on the first element unit. A third element unit is formed on the lower substrate. The third element unit includes a second reflector layer connected with the floating electrode and also a second light emitting part and a second floating electrode disposed on the second reflector layer. | 07-21-2011 |
20110187969 | POLYMERIC LIGHT EMITTING SUBSTANCE AND POLYMER LIGHT EMITTING DEVICE USING THE SAME - A polymeric light emitting substance having a polystyrene reduced number-average molecular weight of from 10 | 08-04-2011 |
20110205465 | PLANAR LIGHT SOURCE, DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME - Light-emitting elements are divided into chromaticity groups on the basis of their chromaticity. In a planar light source, light-emitting elements selected from two of the chromaticity groups are alternately provided in a longitudinal direction and in a transverse direction, respectively. The two chromaticity groups are substantially equally away from a target chromaticity in directions reverse to each other. Further, pairs of two of the light-emitting elements belonging to the two chromaticity groups which are separated from each other, are provided so that distances d | 08-25-2011 |
20110279754 | BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly, a light emitting module is divided into a plurality of light generating blocks each sequentially outputting a plurality of primary colors of light having different wavelengths. The light emitting module includes first and second base substrates, and a plurality of electroluminescent units disposed between the first and second base substrates and arranged in each of the light generating blocks. The light emitting module includes a barrier arranged corresponding to a boundary between two adjacent light generating blocks between the first and second base substrates to prevent the primary colors of light from traveling an adjacent light generating block. Thus, a mixture of colored light from the light generating blocks is prevented, thereby improving color reproducibility of the display apparatus. | 11-17-2011 |
20120008068 | POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME - A polymer compound comprising a repeating unit of below formula (1) or (2), and having a polystyrene reduced number average molecular weight of 10 | 01-12-2012 |
20120026432 | SYSTEM AND METHOD FOR MAINTAINING A CONSISTENT TEMPERATURE GRADIENT ACROSS AN ELECTRONIC DISPLAY - An electronic display which can be mounted above a paved surface in an outdoor environment. A surface or plate is placed behind the electronic display to define a gap where cooling air can be drawn through said gap in order to cool the electronic display. A plurality of ribs may be placed within the gap and in thermal communication with the electronic display. The density of the ribs may be varied according to the inlet and exhaust openings for the cooling air. The ribs may be placed at a higher density near the exhaust to account for the increase in temperature of the cooling air as it travels through the gap. | 02-02-2012 |
20120038851 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates, a liquid crystal layer provided between the pair of substrates, and a pair of alignment films provided on sides of the pair of substrates facing the liquid crystal layer. At least one of the alignment films is a photo-alignment film which is imparted with an orientation regulating force through a photo-alignment treatment, and the illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying. | 02-16-2012 |
20120057103 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - The present invention discloses a backlight module and a liquid crystal display apparatus. The backlight module is employed in a liquid crystal display apparatus having a back plate and a plurality of LEDs. The liquid crystal display apparatus has a display area in accordance with the back plate and overlaps therewith, and the display area has a display area center line. The display area center line has a center corresponding to the LEDs. The LEDs are classified to belong to several positive voltage bins respectively. The LEDs belonging to a lower positive voltage bin are positioned closer to the center and the LEDs belonging to a higher positive voltage bin are positioned farther to the center. | 03-08-2012 |
20120062821 | WHITE LED, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY DEVICE CONFORMING TO EBU STANDARD - In a embodiment, a white LED for a backlight of a liquid crystal display device conforming to the EBU standard includes an ultraviolet (purple) light-emitting element, and a phosphor layer which contains 1 to 10 wt % of a green phosphor including a divalent europium-activated silicate phosphor, 40 to 80 wt % of a blue phosphor including at least one selected from a divalent europium-activated halo-phosphate phosphor and a divalent europium-activated aluminate phosphor, and 10 to 50 wt % of a red phosphor including at least one selected from a europium-activated lanthanum oxysulfide phosphor and a europium-activated yttrium oxysulfide phosphor. | 03-15-2012 |
20120069274 | LIQUID CRYSTAL DISPLAY - A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. A spectrum of the backlight unit has relative maximum brightness peaks at wavelength between 460 nm to 480 nm, between 505 nm to 525 nm, and between 610 nm to 630 nm. The liquid crystal display panel is disposed above the backlight unit. The liquid crystal display panel has a red color filter layer (R | 03-22-2012 |
20120188487 | DRIVE CIRCUIT FOR LIGHT-EMITTING DIODE, AND LIGHT-EMITTING DEVICE AND ELECTRONIC DEVICE USING THE SAME - A current drive circuit capable of reducing the influence of temperature variation or individual deviation is provided. An output transistor is a PNP bipolar transistor, and has an emitter connected to a cathode of an LED string. A current control resistor is disposed between a collector of the output transistor and a ground terminal. An output terminal of an error amplifier is connected to a base of the output transistor, a first input terminal of the error amplifier is connected to a connection point of the output transistor and the current control resistor, and a reference voltage is applied to a second input terminal of the error amplifier. The error amplifier enables a sink current sunk from the output terminal to flow to the current control resistor. | 07-26-2012 |
20120194764 | LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device ( | 08-02-2012 |
20120200808 | Polymer compound and polymer light emitting device - To provide a polymer compound which is useful as a light emitting material or charge transport material having a boron atom. | 08-09-2012 |
20120206671 | WHITE LED, BACKLIGHT USING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - Certain embodiments provide a white LED for a backlight of a liquid crystal display device, which comprises an ultraviolet (or violet) light emitting element and a phosphor layer that contains a green phosphor selected from trivalent cerium- and terbium-activated rare earth borate phosphors, a blue phosphor selected from divalent europium-activated halophosphate phosphors and divalent europium-activated aluminate phosphors, and a red phosphor selected from europium-activated lanthanum oxysulfide phosphors and europium-activated yttrium oxysulfide phosphors as the contained amounts of the respective phosphors relative to the total amount of the phosphors as follows: 35-50% by weight of the green phosphor content; 50-70% by weight of the blue phosphor content; and 1-10% by weight of the red phosphor content. | 08-16-2012 |
20120206672 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE HAVING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates and a liquid crystal layer provided therebetween. The liquid crystal layer is formed of a liquid crystal material which contains molecules having at least one of a carbon-carbon triple bond and a polycyclic group. The illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying. | 08-16-2012 |
20120206673 | SURFACE LIGHT-EMITTING UNIT AND DISPLAY DEVICE PROVIDED WITH THE SAME - A surface light-emitting unit of the present invention is an LED module ( | 08-16-2012 |
20120218496 | RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A red phosphor of high efficiency and a method for producing it are provided. A white light source and an illumination device that allow illumination with the pure white color using the red phosphor are also provided. In addition, a liquid crystal display device using the red phosphor and exhibiting good color reproducing performance is provided. The red phosphor contains an element A, europium (Eu), silicon (Si), carbon (C), oxygen (O) and nitrogen (N) in the ratios of the numbers of atoms of the following compositional formula (1): | 08-30-2012 |
20120229732 | METHOD FOR IMPROVING VISIBILITY OF LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - The present invention provides a liquid crystal display method capable of when a screen thereof is observed through a polarizer such as sunglasses, ensuring an excellent visibility regardless of the angle of observation. In a liquid crystal display device at least having a backlight light source, a liquid crystal cell, and a polarizer disposed on a viewing side of the liquid crystal cell, a white light-emitting diode is used as the backlight light source; and a polymer film having a retardation of from 3,000 nm to 30,000 nm is used so as to be disposed on the viewing side of the polarizer so that an angle between an absorption axis of the polarizer and a slow axis of the polymer film becomes about 45 degrees. | 09-13-2012 |
20120242936 | Quinoxaline Derivative, and Light Emitting Element, Light Emitting Device, and Electronic Device Using the Quinoxaline Derivative - To provide a new bipolar organic compound. In particular, to provide a bipolar organic compound having excellent heat resistance and to provide a bipolar organic compound which is electrochemically stable. Further, to provide a light emitting element and a light emitting device of which a driving voltage and power consumption are reduced by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have excellent heat resistance by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have a long life by using a new bipolar organic compound. | 09-27-2012 |
20120242937 | ELECTRO-OPTIC DEVICE AND METHOD FOR MANUFACTURING SAME - An electro-optic device ( | 09-27-2012 |
20120249928 | LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal display device having a high CR and a rapid response. | 10-04-2012 |
20120274877 | CIRCUIT AND METHOD FOR DRIVING LED STRING FOR BACKLIGHT, AND BACKLIGHT AND DISPLAY DEVICE USING THE CIRCUIT - An LED driving circuit drives a display backlight LED string including multiple LEDs connected in series. A power supply supplies a driving voltage from an output terminal thereof to a first end of the LED string. A detection resistor is arranged between a second end of the LED string and a fixed voltage terminal. The LED driving circuit receives a pulse modulation signal having a duty ratio that corresponds to the luminance. In the on period, in which the PDIM signal is the first level, the LED driving circuit controls the power supply such that the voltage drop across the detection resistor approaches a predetermined target value. In the off period, in which the PDIM signal is the second level, the LED driving circuit stops the control operation for the power supply. | 11-01-2012 |
20120274878 | LUMINESCENCE DIODE ARRANGEMENT, BACKLIGHTING DEVICE AND DISPLAY DEVICE - A luminescence diode arrangement includes a first luminescence diode chip, a second luminescence diode chip and a luminescence conversion element, wherein the first luminescence diode chip emits blue light, the second luminescence diode chip contains a semiconductor layer sequence that emits greens light, the luminescence conversion element converts part of the blue light emitted by the first luminescence diode chip into red light, and the luminescence diode arrangement emits mixed light containing blue light of the first luminescence diode chip, green light of the second luminescence diode chip and red light of the luminescence conversion element. | 11-01-2012 |
20120274879 | METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - The present invention provides a manufacturing technique of a semiconductor device and a display device using a peeling process, in which a transfer process can be conducted with a good state in which a shape and property of an element before peeling are kept. Further, the present invention provides a manufacturing technique of more highly reliable semiconductor devices and display devices with high yield without complicating the apparatus and the process for manufacturing. According to the present invention, an organic compound layer including a photocatalyst substance is formed over a first substrate having a light-transmitting property, an element layer is formed over the organic compound layer including a photocatalyst substance, the organic compound layer including a photocatalyst substance is irradiated with light which has passed through the first substrate, and the element layer is peeled from the first substrate. | 11-01-2012 |
20120281167 | Radiator Plate - This radiator plate includes a first surface and a second surface opposite to the first surface. A plurality of projecting portions each having an isosceles triangular cross-section are formed adjacent to each other on the first surface, and inclined surfaces of each of the projecting portions serve as heat radiation surfaces while a vertex angle θ of each of the projecting portions is set to be at least 90°. | 11-08-2012 |
20120293748 | LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - Disclosed is a liquid crystal display which includes a first display panel including a plurality of pixel electrodes, a second display panel facing the first display panel, and a liquid crystal layer interposed between the first display panel and the second display panel, and a method of manufacturing the liquid crystal display panel. The second display panel includes a light emitting element displaying a color, an insulating layer disposed on the light emitting element and including a rubbed surface, a polarization layer disposed on the insulating layer and opposite to the light emitting element with respect to the insulating layer, and a common electrode disposed on the polarization layer and facing the pixel electrode. | 11-22-2012 |
20120293749 | POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME - A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2), | 11-22-2012 |
20120307182 | VISUAL DISPLAY UNIT ILLUMINATION - A method of adapting a visual unit having a first screen ( | 12-06-2012 |
20120327333 | Liquid Crystal Display Device - The first line and the plurality of second lines are formed on the light-emitting diode substrate and on the connection substrate. The plurality of second lines are arranged, on the connection substrate, in the same direction as a direction in which the plurality of light-emitting diodes mounted on the light-emitting diode substrate are arranged. The first line is formed outside the plurality of second lines, on the connection substrate. The plurality of second lines are formed without intersecting with one another, on the light-emitting diode substrate. The first line is formed, on the light-emitting diode substrate, so that the first line extends along with a periphery of the light-emitting diode substrate from a connection part with respect to the connection substrate so as to come around to an opposite side of the connection part with respect to the connection substrate. | 12-27-2012 |
20130002989 | POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE USING THE SAME - A polymer compound containing a structure of the following formula (B): | 01-03-2013 |
20130016310 | LED DRIVING DEVICE, ILLUMINATOR, AND LIQUID CRYSTAL DISPLAY DEVICEAANM Kanemitsu; RyosukeAACI KyotoAACO JPAAGP Kanemitsu; Ryosuke Kyoto JPAANM Nakayama; MasaakiAACI KyotoAACO JPAAGP Nakayama; Masaaki Kyoto JP - The present invention provides a light emitting diode (LED) driving device as a semiconductor device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an LED short-circuit detection circuit, for monitoring a cathode voltage of the LED to perform an LED short-circuit detection, wherein the LED short-circuit detection circuit controls whether an action is performed or not according to a short-circuit detection enable signal input from outside the LED driving device. | 01-17-2013 |
20130021560 | LIQUID CRYSTAL DISPLAY - A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. The backlight unit includes an exciting light source and quantum dot remote phosphor. Spectrum of the backlight unit has relative maximum brightness peaks BL | 01-24-2013 |
20130027636 | CLASS OF BRIDGED BIPHENYLENE POLYMERS - Luminescent polymers having doubly- or multiply-bridged biphenylene repeat units are provided, which are particularly suited as electroluminescent polymers. Monomers necessary for the synthesis of the multiply bridged biphenylene polymers are provided, as are electroluminescent devices utilizing these polymers. | 01-31-2013 |
20130027637 | LED SUBSTRATE, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is an LED substrate capable of being downsized in width. In addition, provided are LED substrates that can be disposed laterally in an efficient fashion. Each LED substrate ( | 01-31-2013 |
20130027638 | LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - An LED backlight in which deterioration in in-plane uniformity of brightness is prevented, whose thickness, frame width, and wire length are reduced, and in which wiring can be carried out easily, includes an LED provided on one surface of an LED substrate; the LED substrate is mounted on a chassis panel so that a surface of the LED substrate opposite to the one surface contacts the chassis panel; and the chassis panel has a connection hole provided in a portion of a region of the chassis panel in which region the LED substrate is mounted, which passes through the chassis panel. | 01-31-2013 |
20130038818 | DISPLAY DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A display device includes: a light source section that emits excitation light for each pixel; and a light emitting layer that includes a quantum dot and emits emission light for each of the pixels. The quantum dot generates, based on the excitation light, the emission light having a wavelength longer than a wavelength of the excitation light. | 02-14-2013 |
20130038819 | DRIVING CIRCUIT FOR LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE USING SAME, AND DISPLAY APPARATUS - LED terminals are respectively provided to light emitting units, and are each connected to the second terminal of the corresponding one of the light emitting units. Current sources are respectively provided to the LED terminals, and are respectively configured to supply adjustable driving currents to the respective light emitting units via the respective LED terminals. A reference voltage source generates a reference voltage that corresponds to the driving current. A control circuit controls a DC/DC converter such that the lowest voltage from among voltages at the LED terminals matches the reference voltage | 02-14-2013 |
20130083271 | BLUE PHASE LIQUID CRYSTAL DISPLAY DEVICE - A blue phase liquid crystal display device includes a backlight module and a blue phase liquid crystal display panel. The backlight module includes a plurality of light sources. The light sources generate a plurality of primary color lights with different bands. The blue phase liquid crystal display panel includes a blue phase liquid crystal layer. The blue phase liquid crystal layer includes a plurality of blue phase liquid crystal molecules and a plurality of chiral dopants. The blue phase liquid crystal layer has a reflection band. The reflection band is located between the bands of two adjacent primary color lights. | 04-04-2013 |
20130093982 | LIQUID CRYSTAL DISPLAY DEVICE AND POLARIZER PROTECTIVE FILM - The present invention aims to provide a liquid crystal display device highly suppressing occurrence of rainbow interference pattern in displayed images. The present invention is a liquid crystal display device including: a back light source, a liquid crystal cell, a color filter, a polarizer, and a polarizer protective film arranged in the stated order, wherein the polarizer protective film has a retardation of not less than 6000 nm, and a difference (nx−ny) of not less than 0.05 between a refractive index (nx) in a slow axis direction that is a highest refractive index direction and a refractive index (ny) in a fast axis direction that is orthogonal to the slow axis direction, and an absorption axis of the polarizer and the slow axis of the polarizer protective film are arranged to form an angle within a range of 0°±30° or 90°±30°. | 04-18-2013 |
20130120690 | LED LIGHTING DEVICE AND CABLE CONNECTION DETECTION DEVICE - To reliably detecting cable connection errors such as a reverse insertion or an oblique insertion of a cable, an LED board and an LED driver circuit board are connected by an FFC, a voltage dividing resistor is mounted on the LED board. A connection detection section is connected to one end of the voltage dividing resistor via a first transmission line of the FFC, connected to another end of the voltage dividing resistor via a transmission line of the FFC, and connected to the dividing point of the voltage dividing resistor via a third transmission line of the FFC. At least the third transmission line is configured not to pass through a center of the FFC, or the resistance values of the resistor and the resistor are different. A connection state of the FFC based on a voltage of the dividing point is detected via the third transmission line. | 05-16-2013 |
20130120691 | BETA-SIALON, AND LIGHT EMITTING DEVICE AND APPLICATIONS THEREOF - An object of the present invention is to provide a phosphor that is combined with a blue LED to achieve white light at a low color temperature as if singly, has a broad fluorescence spectrum for excellent color rendering properties, has a high luminous efficiency, is thermally and chemically stable like conventional nitride-based phosphors, and has a small decrease in luminance at high temperatures. Another object of the present invention is to provide a light emitting device using such a phosphor. The present invention relates to a β-sialon that is expressed by the general formula, Si | 05-16-2013 |
20130141670 | Backlight Module and Liquid Crystal Display Device - The present invention discloses a backlight module and a Liquid Crystal Display (LCD) device. The backlight module comprises an aluminum extrusion, a light bar, a member and a Light Guide Plate (LGP), wherein, the aluminum extrusion is provided with the member, and the light bar is provided with several LED lights; the backlight module also comprises a member with the light reflection function, matching holes for holding the LED lights are arranged on the member, and the member is arranged on the aluminum extrusion. The light bar is supported on the member and is jointed on one side of the member, and the LED lights are correspondingly sheathed in the mating holes. The light incident surface of the LGP is jointed on the other side of the member, and light emitting surfaces of the several LED lights are adjacent to the light incident surface of the LGP. The member of the backlight module of the present invention has the functions of light reflection and heat insulation, thereby replacing reflector plates on the rubber frame and the aluminum extrusion of the traditional backlight structure and the rubber object on the aluminum extrusion. The structure is simple and can increase the utilization ratio of the light. | 06-06-2013 |
20130141671 | LIQUID CRYSTAL DISPLAY DEVICE, BACKLIGHT UNIT, AND HEAT DISSIPATING METHOD THEREOF - Provided is a liquid crystal display device, a backlight unit, and a heat dissipating method thereof. The backlight unit includes light bar formed with LED and substrate; and heat dissipating structure attached to the substrate of the light bar; wherein, the connection between the substrate and the heat dissipating structure is made of graphite material. According to abovementioned method may accelerate the LED heat dissipation, lower the junction temperature, extend the LED lifespan, and thereby extending the LCD lifespan with lighter weight and lower cost. | 06-06-2013 |
20130162934 | LIQUID CRYSTAL DISPLAY DEVICE, AND COLOR REPRODUCTION METHOD THEREOF - This liquid crystal display device | 06-27-2013 |
20130169906 | LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device including a polymer layer which is placed on an alignment layer and which controls the alignment of liquid crystal molecules adjacent thereto. The polymer layer is one formed by polymerizing a monomer added to the liquid crystal layer. The monomer is a compound represented by the following formula: | 07-04-2013 |
20130215364 | DISPLAYS - In one embodiment of the invention, a display is provided. The display includes a light-emitting system including a plurality of light-emitting units, wherein each light-emitting unit emits light independently, a lens array including a plurality of lenses disposed on the light-emitting system, and a first liquid crystal display cell including a plurality of pixels disposed on the lens array, wherein the number of the light-emitting units of the light-emitting system is larger than that of the pixels of the first liquid crystal display cell. | 08-22-2013 |
20130222738 | COLOR LIQUID CRYSTAL DISPLAY DEVICE - A color liquid crystal display device having high color reproduction is provided, which includes a liquid crystal display element and a backlight unit. The liquid crystal display element includes a color filter having a blue filter segment, a green filter segment, and a red filter segment. The blue filter segment is prepared from a blue photosensitive resin composition which includes a blue pigment combination, a red dye component, an alkali-soluble resin, a compound having at least one ethylenically unsaturated group, a photoinitiator, and a solvent. The blue pigment combination includes a copper phthalocyanine-based blue pigment. The backlight unit is coupled to the liquid crystal display element and has a color temperature ranging from 8,000 K to 20,000 K. | 08-29-2013 |
20130229597 | LIQUID CRYSTAL DISPLAY - A liquid crystal display comprises a display module comprising a liquid crystal panel and an LED array providing light to the liquid crystal panel, a connection board comprising a first transistor part for driving a part of the LED array, and a driver board comprising a second transistor part for driving another part of the LED array and first and second driving parts that control the second transistor part and the first transistor part formed on the connection board. | 09-05-2013 |
20130229598 | LIGHT-EMITTING ELEMENT AND DISPLAY DEVICE - A light-emitting element includes a base substrate and a light-emitting layer that is formed on the base substrate. The light-emitting layer includes at least a fluorescent material that absorbs excitation light with a predetermined wavelength band and produces light with a wavelength band different from the predetermined wavelength band, and a light non-transmission amount change material that has characteristics in which a ratio of a light non-transmission amount to a light entrance amount of excitation light decreases with an increase in the light entrance amount. | 09-05-2013 |
20130250214 | ORGANIC ELECTROLUMINESCENT DEVICE, LIGHTING APPARATUS, AND METHOD FOR MANUFACTURING THE ORGANIC ELECTROLUMINESCENT DEVICE - According to one embodiment, an organic electroluminescent device includes a first electrode, a second electrode, an organic light emitting layer and an optical layer. The first electrode has a first major surface and a second major surface opposite to the first major surface and is light transmissive. The second electrode faces a portion of the first major surface. The organic light emitting layer is provided between the first electrode and the second electrode. The organic light emitting layer and the first electrode are disposed between the optical layer and the second electrode. The optical layer is able to transit between a first state where a traveling direction of light emitted from the organic light emitting layer is changed and a second state having a smaller degree of the change in the traveling direction of the light than the first state. | 09-26-2013 |
20130250215 | DRIVING CIRCUIT FOR LIGHT-EMITTING ELEMENT - A detection resistor is arranged on a path of an LED string. A controller generates a gate pulse signal having a duty ratio adjusted such that the voltage drop at the detection resistor matches a predetermined reference voltage. Furthermore, the controller receives a dimming control signal which indicates the duty ratio of the burst dimming operation, and generates a corresponding burst dimming pulse. According to the gate pulse signal, the first driver drives an output circuit configured to generate a driving voltage. A second driver switches a path of a driving current between connection and disconnection according to the burst dimming pulse. A duty ratio detection unit controls the frequency of the gate pulse signal according to the duty ratio indicated by the dimming control signal. | 09-26-2013 |
20130258251 | BACKLIGHT ASSEMBLY AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A backlight assembly is disclosed that is capable of enabling easy narrow bezel design and easily radiating heat generated from a light source, and a liquid crystal display device using the same. The backlight assembly includes a bottom cover, a light guide plate placed on the bottom cover, a printed circuit board having an L-shaped form and attached to a bottom surface and inner lateral surface of the bottom cover, and a plurality of Light Emitting Diode (LED) packages being mounted to the printed circuit board, wherein the printed circuit board includes a single metal layer having the L-shaped form and attached to the bottom surface and the inner lateral surface of the bottom cover; and a Resin Coated Copper (RCC) film attached to an inner lateral surface of the single metal layer. | 10-03-2013 |
20130271701 | LED Backlight Drive Circuit, Liquid Crystal Display Device and Driving Method - The invention discloses an LED backlight drive circuit, an LCD device and a driving method. The LED backlight drive circuit includes a power source; an output capacitor and an LED lightbar which is connected in series with a first controllable switch are in parallel connection, and then are arranged between the output terminal and the ground terminal of the power source. The LED backlight drive circuit further includes a first comparator; a cathode of the first comparator is connected to a first reference voltage, an anode of the first comparator is coupled with the output terminal of the power source, and the output terminal of the first comparator is coupled with a control end of the first controllable switch; when the anode voltage of the first comparator exceeds the cathode voltage, the output terminal of the first comparator drives the first controllable switch to be conducted. In the invention, the LED lightbar only can be conducted at the predetermined voltage. Thus, the LED will be unable to be lighted even if the electric quantity is stored in the output capacitor; only when the output voltage achieves the predetermined voltage in the complete ON operation, the first controllable switch is able to be conducted, which solves the problem of LED blinking in the ON operation. | 10-17-2013 |
20130271702 | LIQUID CRYSTAL DISPLAY DEVICE - A main voltage step-up circuit includes a coil which one end thereof is connected to a power supply; a main switching element which is connected between the other end of the coil and a ground potential, and which is controlled by the main control circuit; a diode which is connected to the other end of the coil; a smoothing capacitor which is connected to the diode and is a ceramic capacitor; and an auxiliary voltage step-up circuit which is connected to the other end of the coil. The auxiliary voltage step-up circuit is ON when the main step-up voltage circuit is OFF, and compensates a potential change in the smoothing capacitor. The auxiliary voltage step-up circuit includes an auxiliary switching element which is connected between the other end of the coil and a ground potential; and an auxiliary control circuit which controls the auxiliary switching element. | 10-17-2013 |
20130278867 | COMBINED SERIAL/PARALLEL LIGHT CONFIGURATION AND SINGLE LAYER PCB CONTAINING THE SAME - An LED circuit using a combination of series and parallel arrangements for optimum current sharing between LEDs. The current paths allow an LED to fail while minimizing the effect on other LEDs and noticeable luminance variance across the circuit. Some embodiments use metallic PCB technology which permits optimal thermal regulation of heat generated by the LEDs. Exemplary embodiments can be used with a single-layer PCB where only one layer of conducting material must be placed on the substrate. A constricted convection plate may be positioned behind the rear surface of the PCB to define a channel. One or more fans may be positioned to force cooling air through the channel. An LCD assembly using the same is also disclosed. | 10-24-2013 |
20130278868 | Optically Isolated Cavity For Light Sensor Feedback in LCD - Disclosed herein is a light emitting diode (LED) backlight assembly having a mounting substrate with a plurality of LEDs where an optically-isolated cavity is positioned near an edge of the mounting substrate. An information block LED is positioned within the optically-isolated cavity so that light emitted from the main LEDs do not interfere with the light emitted by the information block LED. A liquid crystal stack may be positioned above the LEDs where a portion of the liquid crystal stack is designated as an information block which can be measured by a light sensor. The optically-isolated cavity can be formed by light absorbing and/or reflecting material and may contain one or more walls of the backlight cavity. | 10-24-2013 |
20130278869 | DISPLAY DEVICE - A display device comprising a first substrate, a second substrate, a blue phase liquid crystal layer and an optical element is provided. The first substrate has a display area and is opposite to the second substrate. The blue phase liquid crystal layer is disposed between the first and the second substrate and reflects a light selectively. The spectrum peak of the light is within an intersection interval corresponding to a cross point of x_bar, y_bar and z_bar stimulus value spectrums, and the intersection interval has a wavelength range from 480 nm to 520 nm. The optical element has at least one function for adjusting a phase of the light or absorbing the light. | 10-24-2013 |
20130300983 | LED Backlight Driving Circuit, Liquid Crystal Display Device and Driving Circuit - The invention discloses an LED backlight driving circuit, an LCD device and a driving circuit. The LED backlight driving circuit includes a power supply module, an LED lightbar coupled with an output terminal of the power supply module, a dimming module coupled with the output terminal of the LED lightbar, and the LED backlight driving circuit further includes a transfer switch. A first input terminal of the transfer switch is coupled to the output terminal of the LED lightbar, and a second input terminal of the transfer switch is coupled to a feedback voltage. The output terminal of the transfer switch is coupled to the power supply module. The transfer switch is switched to the first input terminal when the dimming module is ON, and the transfer switch is switched to the second input terminal when the dimming module is OFF. Therefore, the LEDs of the invention can operate normally within the short dimming cycle. The invention only adds one transfer switch, the circuit is simple and does not increase the circuit area, and the cost is low. | 11-14-2013 |
20130300984 | LIGHT SOURCE PACKAGE STRUCTURE, FABRICATING METHOD THEREOF AND LIQUID CRYSTAL DISPLAY - The present invention discloses a light source package structure, a fabricating method thereof and a liquid crystal display. The light source package structure includes two overlapped substrates, a frame-shaped resin body, a filling material layer and a photoluminescence object. The frame-shaped resin body is positioned between the two substrates and encloses a vacuum space together with the two substrates. The photoluminescence object is positioned in the vacuum space. The filling material layer with light transmittance is fully filled in the vacuum space and wraps the photoluminescence object. In various embodiments of the present invention, the photoluminescence object is a phosphor powder layer, a light emitting diode module or a combination thereof. | 11-14-2013 |
20130314646 | FLUORESCENT POWDER MIXTURE, MANUFACTURING METHOD FOR THE SAME, AND CORRESPONDING LIQUID CRYSTAL DISPLAY DEVICE - The present invention relates to a fluorescent powder mixture, a manufacturing method for the same, and a corresponding liquid crystal display device. The fluorescent powder mixture is a mixture of a conductive powder and a fluorescent powder, wherein the conductive powder is aluminum zinc oxide, gallium zinc oxide, or indium tin oxide. The fluorescent powder mixture, the manufacturing method for the same, and the corresponding liquid crystal display device of the present invention increase the conductivity of the fluorescent powder, and further weaken the electron enrichment phenomenon on the surface of the fluorescent powder, so as to increase the illumination performance of the fluorescent powder. | 11-28-2013 |
20130314647 | DISPLAY APPARATUS CAPABLE OF CONTROLLING LIGHT TRANSMITTANCE AND METHOD OF MANUFACTURING THE SAME - A display apparatus capable of controlling light transmittance and a method of manufacturing the display apparatus. The display apparatus includes a transparent display device in which a pixel that has a first region comprising an organic emission layer (organic EL), and a second region adjacent to the first region, the second region transmitting external light, a first circular polarizer in an optical path of light emitted from the transparent display device, a second circular polarizer, the transparent display device being between the first and second circular polarizers, and a transmittance adjusting device including a liquid crystal layer for adjusting transmittance of external light, the transmittance adjusting device being between the transparent display device and the second polarizer such that the transparent display device encapsulates the liquid crystal layer, external light passing through the first circular polarizer, the second circular polarizer, and the transmittance adjusting device. | 11-28-2013 |
20130335680 | ORGANIC LIGHT-EMITTING DEVICE AND IMAGE DISPLAY SYSTEM EMPLOYING THE SAME - An organic light-emitting device and an image display system employing the same are provided. The organic light-emitting device includes: a first substrate; an organic light-emitting pixel structure disposed on a top surface of the first substrate; a second substrate having a bottom surface opposite to the top surface. of the first substrate; and an optical functional layer disposed over the organic light-emitting pixel structure. | 12-19-2013 |
20140002772 | LED BACKLIGHT DRIVING CIRCUIT, BACKLIGHT MODULE, AND LCD DEVICE | 01-02-2014 |
20140009726 | METHOD OF MANUFACTURING NANOPHOSPHORS, LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING LIGHT EMITTING DIODE - A method of manufacturing a nanophosphor includes: contacting a nanophosphor raw material and a flux to form a mixture, sintering the mixture to form a nanoprecursor, ball-milling the nanoprecursor, and drying the ball-milled nanoprecursor to form the nanophosphor, wherein an average particle size of the nanophosphor is equal to or more than about 50 nanometers (nm) and equal to or less than about 7 micrometers (um). | 01-09-2014 |
20140036205 | LIGHT-EMITTING APPARATUS, BACKLIGHT UNIT, LIQUID CRYSTAL DISPLAY APPARATUS, AND ILLUMINATION APPARATUS - A light-emitting apparatus according to the present invention includes: an elongated substrate; a plurality of LEDs arranged in a straight line on the substrate in a longitudinal direction of the substrate; and a sealing member that includes an optical wavelength converter and seals the LEDs, wherein the sealing member is formed in a straight line in a direction of arrangement of the LEDs and seals the LEDs collectively. | 02-06-2014 |
20140049730 | LED DRIVER WITH BOOST CONVERTER CURRENT CONTROL - An electronic circuit includes a driver for an LED light, having an isolated DC-DC converter having a first output at a higher voltage referred to a floating ground and a second output at a lower voltage than said first output and referred to a reference voltage. A DC-DC boost converter receives its input power from the second output of the isolated DC-DC converter and having its output coupled to the floating ground, whereby an output voltage to a LED light receives the sum of the voltages of the first output of the isolated DC-DC converter and the output of the DC-DC boost converter. | 02-20-2014 |
20140055718 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE, MANUFACTURING METHOD FOR THE SAME AND DISPLAY SYSTEM - Disclosed are an organic light emitting diode display device, a manufacturing method for the same and a display system, for realizing compatibility of ordinary non-transparent display and transparent display in the organic light emitting diode display device, as well as the switching between ordinary non-transparent display and transparent display. The display device comprises: a transparent organic light emitting diode (OLED) display panel ( | 02-27-2014 |
20140063417 | System And Method For LCD Assembly Having Integrated Color Shift Correction - A system is disclosed for correcting a color of light being generated by an LCD image system having an LED and an LCD glass component that is illuminated by the LED. A plurality of color correction filters are constructed, with each providing a predetermined, differing color shift to light being output by the LCD glass component, based on a measured color of the light being output from the LCD glass component. Each of the color correction filters is constructed based on a known range of color variations that may be present in a color of the light being output from the LCD glass component. Each filter provides a color shift that shifts the color of the light being output from the LCD glass component from outside a predetermined target color area back into the predetermined target color area. | 03-06-2014 |
20140098325 | LIQUID CRYSTAL DISPLAY DEVICE, POLARIZING PLATE, AND POLARIZER PROTECTION FILM - The invention provides a liquid crystal display device, as well as a polarizer and a protective film suitable for the liquid crystal display device. The liquid crystal display device comprises a backlight light source, two polarizers, and a liquid crystal cell disposed between the two polarizers; the backlight light source being a white light-emitting diode light source; each of the two polarizers comprising a polarizing film and protective films laminated on both sides of the polarizing film; at least one of the protective films being a polyester film having an adhesion-facilitating layer; the polyester film having a retardation of 3,000 to 30,000 nm; and the adhesion-facilitating layer comprising a polyester resin (A) and a polyvinyl alcohol resin (B). | 04-10-2014 |
20140132890 | QUANTUM DOT COLOR FILTER, LIQUID CRYSTAL PANEL AND DISPLAY DEVICE - A quantum dot color filter is used for a liquid crystal panel comprising a plurality of pixels. Each pixel has a plurality of sub-pixels. Each sub-pixel corresponds to one color. The color filter includes subregions disposed in one to one correspondence with the sub-pixels. At least one subregion is formed of a quantum dot material and the quantum dot material generates light of the same color as a corresponding sub-pixel after excitation. | 05-15-2014 |
20140132891 | ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - An illumination device includes a metal base substrate in a flat planar shape, a plurality of LED modules, and a driving unit which drives each of the LEDs arranged on the metal base substrate. The LED modules have an organic substrate, a plurality of LEDs which are arranged on the organic substrate, a metal member, LED control signal terminals which are set on the edge of the organic substrate, and voltage feed terminals which are set on the edge of the organic substrate. The metal member corresponds to each LED and to which the heat from the LEDs is conducted, and which is electrically connected via a switch element from an electrode of the LED, and which penetrates the organic substrate toward its width direction from the LED mounting surface of the organic substrate and is exposed from the opposite surface. | 05-15-2014 |
20140132892 | CURABLE COMPOSITION - A curable composition and use thereof are provided. The composition can be useful in exhibiting excellent processability and workability, and providing a cured product which exhibits superior light extraction efficiency, crack resistance, hardness, thermal shock resistance, and adhesive properties, has superior reliability under severe conditions for a long period of time and prevents opacity and stickiness onto a surface thereof when cured. Also, the curable composition capable of preventing precipitation of an additive such as a fluorescent material or a photoconversion material and being formed into a cured product having excellent transparency even when the additive is added to the curable composition can be provided. | 05-15-2014 |
20140146274 | LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates, a liquid crystal layer provided between the pair of substrates, and a pair of alignment films provided on sides of the pair of substrates facing the liquid crystal layer. At least one of the alignment films is a photo-alignment film which is imparted with an orientation regulating force through a photo-alignment treatment, and the illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying. | 05-29-2014 |
20140160398 | ORGANIC LIGHT EMITTING DIODE DEVICE AND LIQUID CRYSTAL TYPE EMITTING MATERIAL FOR THE SAME - The present invention provides an organic light emitting diode (OLED) device including a first electrode; a second electrode facing the first electrode; an emitting material layer disposed between the first and second electrodes and including a liquid crystal type emitting material being horizontally oriented. | 06-12-2014 |
20140176878 | Isolated Boost Circuit, Backlight Module and Liquid Crystal Display Device Thereof - The present invention provides an isolated boost circuit, a backlight module and a liquid crystal display device. The isolated boost circuit provides power for the LED light string in the backlight module of the liquid crystal display device, which comprises a voltage input terminal, a driving signal unit, a transformer, and a controllable reverse isolation circuit. Wherein, the transformer comprises a primary coil and a secondary coil. The voltage input terminal is connected to the dotted terminal of the primary coil, and the opposite terminal of the secondary coil is connected to the LED light string. The opposite terminal of the primary coil is connected to a | 06-26-2014 |
20140192294 | PATTERNED COLOR CONVERSION FILM AND DISPLAY DEVICE USING THE SAME - A patterned color conversion film and a display device using the same are disclosed. The patterned color conversion film of the present invention comprises: a separator with plural openings; and plural pixel units disposed in the openings respectively, each pixel unit respectively comprising: a medium and scattering particles dispersed therein. Herein, at least one of the plural pixel units comprises quantum dots having the scattering particles sized of between 0.05 and 1 μm when a volume concentration of the quantum dots is in a range more than or equal to 5% and less than or equal to 80%, or having the scattering particles sized of between 0.2 and 2 μm when the volume concentration of the quantum dots is in a range less than 5% and more than or equal to 0%. | 07-10-2014 |
20140192295 | METHOD OF FORMING A LIQUID CRYSTAL ALIGNMENT LAYER, METHOD OF MANUFACTURING A DISPLAY PANEL, AND A DISPLAY PANEL - A method of forming a liquid crystal alignment layer includes the following steps. A substrate is provided. A base layer is then formed on the substrate. A first liquid crystal alignment layer is formed on the base layer. The first liquid crystal alignment layer includes a plurality of first organic molecules. Each of the first organic molecules includes a first carboxyl group part and a first alkyl group part. A display panel includes the substrate, a counter substrate, a liquid crystal layer, and the first liquid crystal alignment layer. The substrate is disposed opposite to the counter substrate. The liquid crystal layer is disposed between the substrate and the counter substrate. The first liquid crystal alignment layer is disposed between the liquid crystal layer and the substrate. | 07-10-2014 |
20140240643 | THERMAL DESIGN FOR HIGH OUTPUT LED BACKLIGHTS - The present disclosure includes a LED illuminator that improves heat conduction through a LCD module's rear cover. The disclosed LED illuminator integrates a heat dissipation device for reducing thermal spikes on the LCD glass and in the LED packages by dissipating heat generated within the LCD module. The LED illuminator is built on a metal heat sink, typically made of copper or aluminum, that includes thermal fins along its length which protrude through the LCD module's rear cover for coupling heat into a heat dissipating portion of the improved LCD module. | 08-28-2014 |
20140253846 | LIQUID CRYSTAL DISPLAY, LED BACKLIGHT SOURCE, AND THE DRIVING METHOD THEREOF - A liquid crystal display, a LED backlight source and the driving method thereof are disclosed. The LED backlight source includes a DC voltage input for inputting DC voltage, a boost circuit for increasing the voltage of the DC input and outputting the boosted DC voltage, a LED strip and a constant current driving circuit. The LED strip includes a plurality of serially connected LEDs and a first resistor (R | 09-11-2014 |
20140293192 | Display Device - A display panel can display images or information on at least one surface side and transmit external light through a transmissive display element. The display panel includes a plurality of light-emitting elements that emit light to the one surface side and can be driven independently and a plurality of transmissive display elements that can be driven independently. Alternatively, a display panel transmits external light through a double-side light-emitting element and a transmissive display element. The display panel includes a plurality of double-side light-emitting elements that can be driven independently and a plurality of transmissive display elements that can be driven independently. | 10-02-2014 |
20140313458 | SYSTEM AND METHOD FOR MAINTAINING A CONSISTENT TEMPERATURE GRADIENT ACROSS AN ELECTRONIC DISPLAY - An electronic display which can be mounted above a paved surface in an outdoor environment. A surface or plate is placed behind the electronic display to define a gap where cooling air can be drawn through said gap in order to cool the electronic display. A plurality of ribs may be placed within the gap and in thermal communication with the electronic display. The density of the ribs may be varied according to the inlet and exhaust openings for the cooling air. The ribs may be placed at a higher density near the exhaust to account for the increase in temperature of the cooling air as it travels through the gap. | 10-23-2014 |
20140313459 | LIGHT BOX FOR BACKLIGHT OF AN LCD MONITOR - An LCD monitor comprises an LCD panel and a backlight for providing illumination to the LCD panel. The backlight includes a light box having a reflective bottom and sides and an open top for allowing light to flow outwardly toward the LCD panel. The light box includes a light source preferably comprising a plurality of LED elements for generating light either from said edge or from said bottom, or from both said bottom and said edge. The light box further preferably comprises a plurality of wave plates interspersed with the LED elements for intercepting light and changing the polarity of such intercepted light. Preferably, the backlight includes a polarizer for transmitting light from the light box of a first polarization towards the LCD panel and reflecting light of a second polarization back towards the light box. At least some of the reflected light of the second polarization passes through the wave plates, is converted to the first polarization, and is reflected back towards said polarizer. Thus, the wave plates act as secondary light sources and assist in producing a uniform light output. | 10-23-2014 |
20140320786 | LED Backlight Source And Liquid Crystal Display Device - The present invention provides LED backlight source of liquid crystal display device. The LED backlight source includes: a boost converter, boosting input DC voltage and outputting boosted DC voltage; a plurality of LED strings connected in parallel, with each LED string including a plurality of LEDs in series and receiving boosted DC voltage from boost converter; a plurality of constant-current drivers, controlling current of each LED string, each constant-current driver controlling at least an LED string and first constant-current driver controlling connection/disconnection of boost converter; an under-voltage protection control circuit, outputting under-voltage protection voltage to constant-current drivers and constant-current drivers determining whether to stop operating based on received under-voltage protection voltage, wherein under-voltage protection voltage outputted to first constant-current driver less than under-voltage protection voltages outputted to other constant-current drivers. The LED backlight source can turn on and off LED strings simultaneously to improve the optical quality. | 10-30-2014 |
20140320787 | RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A red phosphor of high efficiency and a method for producing it are provided. A white light source and an illumination device that allow illumination with the pure white color using the red phosphor are also provided. In addition, a liquid crystal display device using the red phosphor and exhibiting good color reproducing performance is provided. The red phosphor contains an element A, europium (Eu), silicon (Si), carbon (C), oxygen (O) and nitrogen (N) in the ratios of the numbers of atoms of the following compositional formula (1): | 10-30-2014 |
20140327860 | LED BACKLIGHT SOURCE AND LIQUID CRYSTAL DISPLAY DEVICE - The invention provides LED backlight source, including: a boost converter, for boosting input voltage and outputting boosted voltage; N parallel LED strings, wherein each LED string including a plurality of series LEDs and receiving boosted voltage; a backlight driving IC, for controlling connection/disconnection of boost converter and determining whether to shut down LED strings other than specific LED string based on voltage at negative terminal of specific LED string; and N control circuits, wherein each control circuit controlling voltage at negative terminal of corresponding LED string not to become zero so that backlight driving IC unable to shut down LED strings other than corresponding LED string. When an LED string becomes open, backlight driving IC cannot shut down LEDs strings other than the open LED string to avoid turning off all LED strings. The invention also provides liquid crystal display with LED backlight source. | 11-06-2014 |
20140375930 | Driver for Driving LED Backlight Source, LED Backlight Source and LCD Device - A driver for driving an LED backlight source is disclosed. The driver includes a boost converter for boosting inputted DC voltage and outputting boosted DC voltage to an LED series circuit having LEDs connected and a resistor in series, a feedback circuit for feeding back voltage across the resistor to a backlight driving circuit, and a control switch controlled by output of the backlight driving circuit depending on feedback voltage of the voltage across the resistor for keeping current flowing through the LED series circuit in a constant current. The driver drives the LED series circuit with a constant current, thereby prolonging lifetime of each LED of the LED series circuit. Furthermore, since a time period which the current flowing through the LED series circuit approaches to constant value is shorter, the driver has advantages over lower power consumption, faster response time and better operating efficiency. | 12-25-2014 |
20150022762 | OPTOELECTRONIC SEMICONDUCTOR COMPONENT AND MODULE WITH A PLURALITY OF SUCH COMPONENTS - The invention relates to a semi-conductor component, comprising a semi-conductor chip ( | 01-22-2015 |
20150029444 | Fastening Device for LED Light String of Backlight Module and Liquid Crystal Display - The present invention provides a fastening device for a LED light string of a backlight module, including a LED light string and a frame, the LED light string being configured with a substrate and a plurality of LEDs mounted onto the substrate, wherein at least a retainer is incorporated on the substrate, and the frame being provided with a notch matchable with the retainer such that the LED light string can be securely attached to the frame. The retainer can be made individually, and a SMT process is utilized to attach the retainer of the fastening device on the backside of the LED light string. With this convenient arrangement, a lot of manufacturing processes have been omitted. The LED light string and the frame can be modulated, and the overall configuration of the module is simplified. In addition, with the retainer readily snapped into the notch of the frame, a distance between to the LED light emitting surface to the frame is also reduced, and this helps to realize the design of narrow-boarder of the liquid crystal display. | 01-29-2015 |
20150042925 | LED BACKLIGHT SOURCE AND LIQUID CRYSTAL DEVICE - A LED backlight source and a liquid crystal device are disclosed. The LED backlight source includes: a boost circuit for boosting an input DC voltage and for outputting the boosted DC voltage; a plurality of LED strings connected in parallel, wherein each of the LED strings comprises a plurality of serially connected LEDs and a first resistor, and each of the LED strings receives the boosted DC voltage from the boost circuit; an over-current protection circuit for controlling an output power of the boost circuit according to a detected resistance; and a short-connection protection circuit for adjusting the resistance detected by the over-current protection circuit according to a voltage at two ends of the first resistor. | 02-12-2015 |
20150049281 | DISPLAY DEVICE AND METHOD FOR FABRICATING THE DISPLAY DEVICE - A display device may include a display panel that includes a plurality of display elements. The display device may further include a protective member overlapping the display panel. The display device may further include an optical member disposed between the display panel and the protective member and configured to prevent light reflected by the display panel from reaching the protective member. The optical member may include a plurality of directional members. The plurality of directional members may have an optic axis. | 02-19-2015 |
20150070628 | ELECTRO-OPTICAL SWITCHING ELEMENT AND ELECTRO-OPTICAL DISPLAY - The present invention relates to electro-optical switching elements and displays comprising them. In particular, it relates to electro-optical switching elements comprising at least a light reflecting layer, a light switching layer, and a light conversion layer, which comprises one or more light emitting substances, in particular, a light reflecting layer, which selectively reflects visible light, a light controlling element that controls the amount of transmitted and/or reflected light, and a light converting layer that shifts the wavelength of the transmitted light to longer values. The displays give bright images under either bright or dark conditions with small power consumption. They are particularly suitable for so called liquid crystal, electronic paper (e-paper) and MEMS switching applications. | 03-12-2015 |
20150085224 | EMISSIVE DISPLAY - A display comprises a first substrate, a second substrate opposite to the first substrate, an electrode structure, and a light-emitting combination (LEC) layer positioned between the first and second substrates, wherein the LEC layer comprises a light emitting material and a LC material, and a horizontal or vertical electric field is generated when a voltage is applied to that electrode structure. One of exemplified displays has an electrode structure comprising a first electrode and a second electrode oppositely disposed, and the LEC layer is positioned between the first and second electrodes, wherein a vertical electric field is generated when a voltage is applied. The device can further comprise an electron injection layer and a hole transport layer. Another exemplified display has an electrode structure arranged on one side of the first substrate, and a horizontal electric field is generated when a voltage is applied. | 03-26-2015 |
20150085225 | LED BACKLIGHT UNIT AND LED DISPLAY DEVICE INCLUDING THE SAME - A light emitting diode (LED) backlight unit includes: a top cover; a bottom cover connected to the top cover to constitute a housing and spaced apart under a liquid crystal panel; LEDs disposed on a first surface defined by an inner top surface of the bottom cover; and electrode patterns arranged on the first surface. | 03-26-2015 |
20150092137 | DISPLAY DEVICE - A display device includes a plurality of organic light-emitting diode (OLED) pixels on a substrate, and a plurality of light-emitting diode (LED) pixels between the plurality of OLED pixels on the substrate, the plurality of LED pixels on a same plane as the plurality of OLED pixels. | 04-02-2015 |
20150098045 | SWITCHING CONVERTER, CONTROL CIRCUIT AND CONTROL METHOD THEREOF, AND LIGHTING DEVICE AND ELECTRONIC APPARATUS USING THE SAME - A control circuit of a switching converter includes a current detection comparator for comparing a detection voltage corresponding to a voltage drop of a detection resistor with a reference voltage and generating a peak current detection signal asserted when the detection voltage reaches the reference voltage, a driving logic unit for generating a pulse signal indicating a turn-on/off operation of a switching transistor and changing the pulse signal to an OFF level indicating the turn-off operation of the switching transistor when the peak current detection signal is asserted, a driver for driving the switching transistor based on the pulse signal, and a reference voltage setting unit for measuring time (T | 04-09-2015 |
20150116634 | LIGHT EMITTING DIODE PACKAGE AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME - A light emitting diode package includes: a light emitting diode (LED); and an LED lens over the LED, the LED lens having a symmetrical shape with respect to a central axis, wherein the LED lens includes a lower surface having first and second lower surfaces, an upper surface and a side surface connecting the lower surface and the upper surface, wherein the light through the first lower surface is totally reflected on the upper surface and is emitted though the side surface, wherein the first lower surface includes a first curved surface extending from the central axis and a second curved surface extending from a first end portion of the first curved surface, and wherein the second lower surface is flat and extends from a second end portion of the second curved surface. | 04-30-2015 |
20150116635 | LED DRIVING DEVICE, ILLUMINATOR, AND LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a light emitting diode (LED) driving device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an output discharging circuit, for performing, based on a predetermined control signal, discharging of the output voltage when a generation action of the output voltage and the output current stops. | 04-30-2015 |
20150124199 | TRANSPARENT DISPLAY DEVICE - A transparent display device includes a display panel and an active transparent OLED backlight device. The display panel includes a first driving substrate, a color filter substrate and a polymer dispersed liquid crystal layer interposed therebetween. The first driving substrate has a first driving region and sub-pixel regions. The active transparent OLED backlight device includes a second driving substrate, an opposite substrate and OLEDs interposed therebetween. The second driving substrate has a second driving region and sub-pixel regions. The second driving region is aligned with the first driving region, and each of the sub-pixel regions of the second driving substrate is aligned with one of the sub-pixel regions of the first driving substrate. Each of the sub-pixel regions of the second driving substrate has a light-transmitting region and a light-emitting region. The OLEDs are respectively disposed on the light-emitting regions of the second driving substrate. | 05-07-2015 |
20150131029 | COLOR CONVERSION SUBSTRATE, METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE - A color conversion substrate that can improve light use efficiency is provided. A color conversion substrate includes a transparent substrate having a main surface, a plurality of phosphor patterns arranged on the main surface and each of the phosphor patterns having side faces, and a reflective film that reflects light and is formed on at least the side faces of the phosphor patterns. An air layer is defined between the main surface and the phosphor patterns. | 05-14-2015 |
20150131030 | DISPLAY DEVICE - A display device includes: a display panel; a plurality of backlight units disposed on a rear side of the display panel; a first frame disposed on a rear side of the backlight units; a heat transfer sheet disposed on a rear side of the first frame above a predetermined position; and a second frame disposed on a rear side of the heat transfer sheet. An air layer is formed between the first frame and the second frame, below the heat transfer sheet. | 05-14-2015 |
20150138488 | LIQUID CRYSTAL DISPLAY DEVICE - The implementation of a superhigh-definition liquid crystal display device with a diagonal of 30 inches or more and a resolution of 100 ppi or more is facilitated. There is provided a direct-view-type liquid crystal display device that includes a display portion in which a plurality of pixels are placed in a matrix, the display portion whose diagonal is 30 inches or more, in which the resolution of the display portion is 100 pixels or more per inch, the plurality of pixels include first to fourth pixels, and one of the first to fourth pixels is an RG-type formed of a red subpixel and a green subpixel and another of the first to fourth pixels is a BH-type formed of a blue subpixel and a green, yellow, or white subpixel. | 05-21-2015 |
20150293404 | METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - The present invention provides a manufacturing technique of a semiconductor device and a display device using a peeling process, in which a transfer process can be conducted with a good state in which a shape and property of an element before peeling are kept. Further, the present invention provides a manufacturing technique of more highly reliable semiconductor devices and display devices with high yield without complicating the apparatus and the process for manufacturing. According to the present invention, an organic compound layer including a photocatalyst substance is formed over a first substrate having a light-transmitting property, an element layer is formed over the organic compound layer including a photocatalyst substance, the organic compound layer including a photocatalyst substance is irradiated with light which has passed through the first substrate, and the element layer is peeled from the first substrate. | 10-15-2015 |
20150293405 | DISPLAY DEVICE - A display device comprises a display panel and a backlight unit. The backlight unit comprises: a bottom cover; a light source module mounted on the bottom cover and including: light sources arranged at uniform intervals; and a circuit board on which the light sources are mounted; a reflective layer placed above the light source module to reflect the light emitted from the light sources towards the display panel; a screening layer disposed over the reflective layer at a distance therefrom and having patterned holes to allow only a portion of the light reflected from the reflective layer to be transmitted; and a spacer disposed between the reflective layer and the screening layer to form a light guide layer defined by a vacant space between the reflective layer and the screening layer and to maintain the uniform height of the light guide layer. | 10-15-2015 |
20150296579 | LIGHT EMITTING DIODE DRIVING CIRCUIT, DISPLAY DEVICE, LIGHTING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - As a result of being provided with an enable signal generating unit that supplies, to an LED driver, an enable signal that is dependent on a low state period of a PWM signal, it is possible to realize a light emitting diode driver circuit that can suppress a booster circuit starting up suddenly and an excess current flowing in a power source in the case where the PWM signal enters a high state (on state) after having been held in a low state (off state) for a prescribed period or longer. | 10-15-2015 |
20150296580 | Display With Localized Backlight Dimming - A display may have an array of display pixels for displaying images for a user. A backlight unit may provide backlight for the display pixels. The backlight unit may have a substrate such as a printed circuit substrate. An array of locally dimmable backlight elements may be mounted on the substrate. The substrate may be mounted against an inner surface of a metal electronic device housing or other support structure in an electronic device. Each backlight element may have a semiconductor package containing a semiconductor die. The semiconductor die may have a light-emitting diode and a light-emitting-diode control circuit. The light-emitting-diode control circuit may have a pair of transistors and a capacitor. One of the transistors may be connected in series with the light-emitting diode. The light-emitting diode control circuit may receive control signals on a gate line terminal and a source line terminal. | 10-15-2015 |
20150301402 | LIQUID CRYSTAL DISPLAY DEVICE, COLOR FILTER SUBSTRATE, AND METHOD FOR PRODUCING COLOR FILTER SUBSTRATE - A liquid crystal display device includes an array substrate, a liquid crystal layer, and a color filter substrate facing the array substrate through the liquid crystal layer. The color filter substrate includes a carbon light-shielding layer, an organic pigment light-shielding layer, and color filters formed such that the organic pigment light-shielding layer overlaps with at least one of the color filters in a direction perpendicular to a substrate plane. The array substrate includes a first light sensor that detects light which passes through any of the color filters without passing through the organic pigment light-shielding layer in the direction perpendicular to the substrate plane. The array substrate further includes a second light sensor that detects light which passes through the organic pigment light-shielding layer and any of the color filters in the direction perpendicular to the substrate plane. | 10-22-2015 |
20150308675 | LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A light source device includes: a substrate having a front surface on which a light-emitting diode is mounted; and a case having a bottom plate that holds the substrate, wherein a driver circuit for driving the light-emitting diode is mounted on a rear surface of the substrate that is opposite to the front surface thereof, wherein an opening corresponding to a size of the light-emitting diode is formed in the bottom plate of the case, wherein the front surface of the substrate is fixed to a rear surface of the bottom plate of the case from outside of the case with the light-emitting diode fitted in the opening, and wherein a coating material with an emissivity of equal to or higher than 0.9 and equal to or lower than 1.0 is applied to an outer surface of four side walls of the case. | 10-29-2015 |
20150327409 | System for Using Constricted Convection with Closed Loop Cooling System As the Convection Plate - A gas cooling system for an electronic display is disclosed herein. A closed loop of circulating gas is preferably positioned to surround the electronic display. An open loop of cooling air preferably travels along the rear surface of the electronic display. In an exemplary embodiment the cooling air does not mix with the circulating gas. Heat may be transferred from the circulating gas to the cooling air in order to cool the display. | 11-12-2015 |
20150331282 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device has a light source unit and a liquid crystal cell sandwiched by two polarizing plates. The light emitted by the light source unit has separated peaks in each of blue, green and red wavelength ranges. The green and red peaks have a full width at half maximum intensity of 20 nm or more. At least one of the polarizing plates has a polarizer and a protective film with a Re of 5,000 nm or more and low moisture permeability. The device exhibits excellent color reproducibility and prevents display nonuniformity under a high temperature and high humidity environment. | 11-19-2015 |
20150346554 | LIQUID CRYSTAL DISPLAY AND METHOD OF FABRICATING THE SAME - A liquid crystal display (LCD) comprises a light source configured to provide a first light having a first wavelength, a first wavelength conversion layer configured to convert the first light into a second light having a second wavelength longer than the first wavelength, and a first optical shutter which overlaps the first wavelength conversion layer, is configured to adjust transmittance of the first light or the second light, and comprises liquid crystal molecules and dichromatic dye. | 12-03-2015 |
20150366031 | BOOST CIRCUITS, LED BACKLIGHT DRIVING CIRCUITS AND LIQUID CRYSTAL DEVICES - A boost circuit includes an inductor (L), a MOS transistor (Q), and a number “n” of switch components (Q | 12-17-2015 |
20150366101 | Heat Exchanger for an Electronic Display - A cooling assembly for an electronic image assembly having an open and closed gaseous loop. A closed gaseous loop allows circulating gas to travel across the front surface of an image assembly and through a heat exchanger. An open loop allows ambient gas to pass through the heat exchanger and extract heat from the circulating gas. An optional additional open loop may be used to cool the back portion of the image assembly (optionally a backlight). Ribs may be placed within the optional additional open loop to facilitate the heat transfer to the ambient gas. The cooling assembly can be used with any type of electronic assembly for producing an image. | 12-17-2015 |
20150370129 | DIRECT-TYPE BACKLIGHT MODULE UNIT OF DUAL-SIDE LIQUID CRYSTAL DISPLAY DEVICE - A direct-type backlight module unit of the dual-side liquid crystal display comprising: a first display panel, a second display panel, a light source unit is formed between the first display panel and the second display panel; wherein the light source unit comprises a back-bezel including a first side opposite to the first display panel and a second side opposite to the second display panel and a through hole; the light source unit is a light bars made of a plurality of light units wherein a portion of the light bars bond into the first side so that the light units of the light bar is located in the through holes and lights the second display panel, and the other portion of the light bars bond into the second side so that the light units of the light bar is located in the through holes and lights the first display panel. Moreover, the back-bezel can be substituted by a LED light plate with through holes. It can reduce the thickness of the direct-type backlight module unit and the thickness of the dual-side LCD device in order to provide a batter user experience, simple structure and cost efficiency. | 12-24-2015 |
20150370130 | LIGHT-EMITTING MODULES AND LIGHTING MODULES - A light-emitting module includes: (a) a liquid-crystal module containing a pair of transparent substrates and a liquid-crystal layer disposed between the pair of transparent substrates; (b) a first light-emitting diode (LED) component disposed on a first side of the liquid-crystal module; (c) a first transparent cover plate over the first LED component such that the first LED component is sandwiched between the liquid-crystal module and the first transparent cover plate; and (d) a control circuit configured to control an on/off frequency of the liquid-crystal module and a light-emitting frequency of the first LED component in such a manner that the light emitted from the first LED component is synchronously shielded by the liquid-crystal module, wherein the light is emitted from a side opposite to the liquid-crystal module. | 12-24-2015 |
20150371973 | LIGHT EMITTING DIODE PACKAGING STRUCTURE AND LIQUID CRYSTAL DISPLAY DEVICE - A light emitting diode packaging structure is disclosed, which has a first cup, a second cup, and a holder carried the first cup and the second cup; a blue light emitting chip is placed in the first cup, which is filled with a red emitting phosphor mixed with silicone, and a green light emitting chip is placed in the second cup, which is filled with a silicone, such that the energy consumption of G light caused by the red emitting phosphor absorbing G light in the conventional art can therefore be solved, and the lighting efficiency of the LED is increased. | 12-24-2015 |
20150373800 | LED BACKLIGHT DRIVING CIRCUIT AND LIQUID CRYSTAL DISPLAY DEVICE - A LED backlight driving circuit includes a voltage boosting circuit for converting an input voltage into an output voltage for a LED string; a current control module connected to a negative terminal of the LED string and for regulating a working current of the LED string; a driver chip for supplying the voltage boost circuit and current control module respectively with first and second square wave signals; a current detection module for detecting the working current of the LED string to generate detection signal; a control signal module for receiving the detection signal to generate a control signal; and a frequency regulation module for receiving the control signal to thereby generate a resistance. The frequency regulation module connects the driver chip, and the driver chip regulates a driving frequency of the driving circuit according to the resistance. A LCD device using the driving circuit also is provided. | 12-24-2015 |
20150378216 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - A backlight unit including a plurality of light sources configured to emit primary light, and a quantum dot composite. The quantum dot composite includes quantum dot phosphors excited by primary light supplied from the plurality of light sources so as to emit secondary light having a different wavelength than the primary light, and scattering particles that are configured to scatter the primary light. The scattering particles include first scattering particles, and second scattering particles different from the first scattering particles in size and composed of particles each having a diameter in the range of 5 to 50 nm. | 12-31-2015 |
20160004124 | HIGH COLOR GAMUT QUANTUM DOT DISPLAY - An optical construction is described that includes a blue light source, a liquid crystal display panel, and a quantum dot film element optically between the blue light source and the liquid crystal display panel. In some embodiments, the blue light source can emit blue light that has a wavelength in a range from 440 to 460 nm and an FWHM of less than 25 nm. Also, in some embodiments, the quantum dot film element includes a plurality of quantum dots emitting a peak red wavelength in a range from 600 to 640 nm, an FWHM of less than 50 nm, a peak green wavelength in a range from 515 to 555 nm, and an FWHM of less than 40 nm. The quantum dot film element can be optically between the blue light source and the LCD panel. | 01-07-2016 |
20160044829 | Constricted Convection Cooling System for an Electronic Display - Preferred embodiments provide a cooling system for an electronic display. A constricted convection plate is used to force cooling air against a posterior surface of the electronic display. Fans may be used to propel or pull air between the constricted convection plate and the rear surface of an electronic display. A refrigeration unit or thermoelectric module may be employed to cool or heat the air traveling through the constricted convection channel. Some embodiments include a closed loop which extracts heat (or adds heat) to the front display surface. | 02-11-2016 |
20160066373 | LED BACKLIGHT SOURCES FOR LIQUID CRYSTAL DEVICES AND LIQUID CRYSTAL DEVICES - A LED backlight source for LCDs is disclosed. The LED backlight source includes: a boost circuit for boosting an input voltage to an operation voltage needed by a LED string; a current control module connecting to an negative end of the LED string to adjust an operation current of the LED string; a voltage detection circuit for detecting whether the input voltage has been decreased, and for providing a control signals to a backlight driving control circuit upon determining the input voltage has been decreased. The backlight driving control circuit is configured for providing a first square-wave signals to the boost circuit for boosting the voltage, for providing a second square-wave signals to the current control module for adjusting a current, and for decreasing an input current upon receiving the control signals from the voltage detection circuit. In addition, a LCD includes the LED backlight source is also disclosed. | 03-03-2016 |
20160075592 | GLASS COMPOSITION, METHOD FOR MANUFACTURING GLASS, OPTICAL CONVERSION MEMBER, METHOD FOR MANUFACTURING OPTICAL CONVERSION MEMBER, ILLUMINATION LIGHT SOURCE, AND LIQUID CRYSTAL DISPLAY DEVICE - There are provided a glass composition suitable for an optical conversion member containing phosphor particles low in heat resistance, an optical conversion member using the glass composition, and an illumination light source using the optical conversion member. A glass composition comprising, in mol % based on oxides, 5 to 35% of Bi | 03-17-2016 |
20160091758 | BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE - The backlight unit includes two or more light sources, and a wavelength conversion member positioned on each of optical paths of light emitted by the two or more light sources, wherein the wavelength conversion member includes a wavelength conversion layer containing at least a phosphor emitting green light when excited with exciting light and a phosphor emitting red light when excited with exciting light, and at least either maximum emission wavelengths or angles of incidence of entry into the wavelength conversion member of the light emitted by the two or more light sources differ. | 03-31-2016 |
20160091760 | BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY - A backlight device in the present disclosure is equipped with: a plurality of LEDs disposed lengthwise and widthwise; a substrate on which the plurality of LEDs are mounted; and a light-blocking member configured to prevent a predetermined amount of part of light from passing through, wherein the part of light is part of light emitted from an LED, of the plurality of LEDs, disposed on an outermost circumference and is emitted to an outer circumferential side. | 03-31-2016 |
20160096990 | RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A compound is provided containing silicon, aluminum, strontium, europium, nitrogen, and oxygen is used that enables a red phosphor having strong luminous intensity and high luminance to be obtained, and that enables the color gamut of a white LED to be increased with the use of the red phosphor. The red phosphor contains an element A, europium, silicon, aluminum, oxygen, and nitrogen at the atom number ratio of the following formula: [A | 04-07-2016 |
20160103364 | DISPLAY DEVICE - A display device includes a backlight assembly including a light emitting unit to emit a light and a display panel receiving the light and displaying an image. The light emitting unit includes a light emitting diode package, an optical lens, and a reflective layer. The light emitting diode package includes at least two light emitting diodes to emit lights having different colors. The optical lens covers the light emitting diode package and includes a first lens surface and a second lens surface changing an optical path of the light incident through the first lens surface. The reflective layer is partially disposed on the first lens surface. | 04-14-2016 |
20160103365 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal panel; and a direct type backlight unit providing light to the liquid crystal panel, wherein the direct type backlight unit includes: a frame where an LED is mounted; a sealing member over the LED and containing quantum dots dispersed in resin or organic solvent; a first polarizer disposed over the sealing member; and a light-recycling structure reflecting light reflected to the frame towards the liquid crystal panel, wherein the liquid crystal panel includes a second polarizer facing the direct type backlight unit, and wherein a transmission axis of the first polarizer is parallel to a transmission axis of the second polarizer. | 04-14-2016 |
20160126848 | SWITCHING CONVERTER - When a current detection voltage V | 05-05-2016 |
20160128148 | SWITCHING CONVERTER WITH LIGHT SOURCE DIMMING FUNCTION - When a detection voltage V | 05-05-2016 |
20160154274 | DISPLAY MODULE | 06-02-2016 |
20160170114 | LUMINANCE-ENHANCING FILM, OPTICAL SHEET MEMBER, AND LIQUID CRYSTAL DISPLAY DEVICE | 06-16-2016 |
20190146280 | LIQUID CRYSTAL DISPLAY DEVICE, POLARIZING PLATE, AND POLARIZER PROTECTION FILM | 05-16-2019 |