Entries |
Document | Title | Date |
20090046446 | LIGHTING UNIT, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE - In a lighting unit, fluorescent lights and LEDs having different spectroscopic characteristics are alternately arranged in a direction X on an irradiation plane. The fluorescent lights are arranged in certain intervals so as to provide uniform light intensity even around the end portions of the direction X. The LEDs installed at the ends of the direction X have a light intensity that is weaker than that of other LEDs in order to provide uniform light intensity around the end portions. As a result, the lighting unit provides uniform light intensity across the entire irradiation surface. | 02-19-2009 |
20090052165 | LIGHT-EMITTING DEVICE, ILLUMINATING DEVICE COMPRISING SAME, AND LIQUID CRYSTAL DISPLAY | 02-26-2009 |
20090067158 | ILLUMINATING DEVICE AND LIQUID CRYSTAL DISPLAY COMPRISING SAME - In a direct backlight, a substrate on which LEDs are provided includes a plurality of module substrates. Each module substrates can be reduced in warping or deformation after a blanking process. In addition, each module substrate can be formed thin since bending due to its own weight is small. Consequently, the substrate as a whole and the backlight can be formed thin. | 03-12-2009 |
20090091920 | LIGHT GUIDE MEMBER, FLAT LIGHT SOURCE DEVICE, AND DISPLAY DEVICE - A light guide member, a flat light source device and a display device using the light guide member, by which a white light having a high color rendering property can be obtained without using luminescent devices of a plurality of colors are provided. | 04-09-2009 |
20090097233 | LIGHT-EMITTING DEVICE, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY - A light-emitting device includes a semiconductor light-emitting element arranged on a substrate having internal wiring, a reflector arranged around the semiconductor light-emitting element, and a light-emitting portion, filled in the reflector, having a phosphor which emits visible light when excited by light from the semiconductor light-emitting element. Electrical conduction to the light-emitting element is obtained via the internal wiring of the substrate and the reflector. | 04-16-2009 |
20090103284 | Polymer Composition And Polymer Light-Emitting Device Using Same - Disclosed is a composition containing one or more aromatic ether compounds, one or more compounds having a boiling point of not less than 200° C., and one or more polymers which are charge-transporting or luminescent in a solid state. This composition is characterized in that the compounds having a boiling point of not less than 200° C. are selected from the group consisting of aliphatic compounds which may have a heteroatom, alicyclic compounds which may have a heteroatom, aromatic compounds having two or less substituents and a heterocyclic compounds having two or less substituents. | 04-23-2009 |
20090122521 | Light-emiting device package - A light-emitting device package is disclosed and comprises at least one light-emitting device and a carrier. The light-emitting device includes a light-emitting diode chip attached to a first surface of a transparent substrate, wherein the chip comprises a first type conductivity semiconductor layer, an active layer and a second type conductivity semiconductor layer. The carrier comprises a p electrode, an n electrode, a platform and a reflective inside wall. The transparent substrate of the light-emitting device is attached to the platform by an adhering layer. In addition, an angle between the first surface of the transparent substrate and the platform is not equal to zero degree, and the better is about 90 degree. | 05-14-2009 |
20090129062 | LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS ITS LIGHT SOURCE - A light emission device capable of enhancing its luminance and durability and a display device utilizing the light emission device as a light source. The light emission device includes first and second substrates facing each other, cathode electrodes arranged on the first substrate and extending in a first direction, gate electrodes arranged above the cathode electrodes and extending in a second direction crossing the first direction, a plurality of electron emission regions electrically coupled to the cathode electrodes, and a light emission unit provided on the second substrate and including an anode electrode and a phosphor layer. The first substrate has an active area and a non-active area surrounding the active area, and a total area of the electron emission regions on the first substrate is between about 2 and about 26% of the active area. | 05-21-2009 |
20090129063 | OPTICAL PACKAGE, OPTICAL LENS AND BACKLIGHT ASSEMBLY HAVING THE SAME - In an optical package capable of guiding light, and an optical lens and a backlight assembly having the optical package, the optical package includes a plurality of light emitting parts and a lens plate. The lens plate defines a plurality of lens parts corresponding to the light emitting parts, respectively. The lens plate has a plurality of light guiding portions extended from the lens parts in a side direction of the optical package. | 05-21-2009 |
20090141481 | Array light source using led and backlight unit including the same - Disclosed are an array light source using a light-emitting diode and a backlight unit including the same. In accordance with an embodiment of the present invention, the array light source can include a plurality of light-emitting diodes (LED); and a wiring board on which wires for transferring signals to each of the LEDs are formed. Here, the wiring board can include a plurality of sublayers, and the wires can be divided into at least two wiring groups and separately formed on different sublayers of the wring board per wiring group. | 06-04-2009 |
20090147501 | Backlight Module and Method of Manufacture Using Complementary Light Sources having the Same Color - The present invention provides a backlight module and a manufacture method thereof using complementary light sources having the same color. The backlight module includes an optical film set and a plurality of light source sets having a first light source and a second light source. The first light source generates a first chromaticity light while the second light source generates a second chromaticity light. The first chromaticity light mixes with the second chromaticity light in the space between the light source sets and the optical film set and then enters the optical film set. The first chromaticity light and the second chromaticity light have their own spectrum and both spectra fall into a first color region of the CIE 1931 color space. Within the first color region, the spectrum of the first chromaticity light is close to a second color region while the spectrum of the second chromaticity light is close to a third color region. | 06-11-2009 |
20090154141 | LIGHT GUIDE PLATE AND BACKLIGHT MODULE - A composite light guide plate contains a transparent plate and a transparent film. A plurality of V-cuts is formed on the light exit plane of the transparent plate, and a plurality of protrudent micro structures is disposed on the bottom surface of the transparent film, filling in the v-cuts. The refractive index of the transparent film is larger than the refractive index of the transparent plate. | 06-18-2009 |
20090168406 | PLANAR LIGHT SOURCE, DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE 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 | 07-02-2009 |
20090201669 | BACKLIGHT DEVICE, AND DISPLAY APPARATUS USING THE SAME - In a backlight device, two-channel LED modules including 4-light-emitting diodes connected in series and resistive elements connected in series to the respective LED module are provided. The resistor elements provide voltage drops to the corresponding LED modules, and thereby set output voltages to the respective LED modules in a predetermined voltage range. | 08-13-2009 |
20090213575 | ILLUMINATION DEVICE - A lighting apparatus comprising a plurality of light modules is specified, wherein
| 08-27-2009 |
20090213576 | OPTICAL MEMBER, BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - An optical member according to one or more embodiments includes an optical plate and an optical film. In an embodiment, the optical plate includes an incident part receiving light provided from the exterior and an emitting part emitting the light. The optical film is attached to the incident part and includes a first conductive layer, a second conductive layer facing the first conductive layer and polarized particles disposed between the first conductive layer and the second conductive layer. Thus, light sources of a backlight assembly may be individually driven regardless of the type of light source and the disposition of the light sources, and image display quality may be improved by improving a contrast ratio by realizing various gradation voltages. | 08-27-2009 |
20090231835 | Apparatus and Methods for Multiplanar Optical Diffusers and Display Panels for Using the Same - Provided are solid state lighting devices that include multiple solid state light emitters that are configured to emit light and a multiplane light diffuser including a first diffusion plane and a second diffusion plane that are separated by a gap, the multiplane light diffuser including first side that is configured to receive the light emitted from the solid state light emitters and a second side that is configured to transmit diffused light. | 09-17-2009 |
20090279284 | ILLUMINATION DEVICE, LIGHT SOURCE DEVICE USED FOR THE SAME, AND LIQUID CRYSTAL DISPLAY EQUIPPED WITH THE ILLUMINATION DEVICE - In the case where RGB light emitting elements are used as light sources of a surface emitting type illumination device, the occurrence of color irregularity in the vicinity of a light incident surface is prevented, so that uniform white light is obtained on an entire light outgoing surface. In a light source device including light emitting elements of respective colors including red light emitting elements, green light emitting elements, and blue light emitting elements that emit light in a red (R) wavelength range, light in a green (G) wavelength range, and light in a blue (B) wavelength range, respectively, the light emitting elements being provided on one principal surface of a substrate, the light emitting elements of the respective colors are aligned in a longitudinal direction of the substrate, the number of the green light emitting elements is larger than the number of each of the red light emitting elements and the blue light emitting elements, and the light emitting elements of the respective colors in the longitudinal direction of the substrate are aligned at regular Intervals for each of the colors. | 11-12-2009 |
20090279285 | ORGANIC ELECTROLUMINESCENT DEVICE, LIQUID CRYSTAL DISPLAY AND ILLUMINATING DEVICE - This invention provides an organic electroluminescent element that has a thin and compact sealing structure and is excellent in heat resistance in sealing, particularly a high-brightness organic electroluminescent element comprising a phosphorescence emitting substance, and a liquid crystal display device and lighting equipment using the same. The organic electroluminescent element comprises a substrate and a first electrode, one or more organic layers including a luminescent layer, and a second electrode provided on the substrate. An adhesive layer is disposed on the whole area of a light emitting surface and remote from the light takeout side in the organic electroluminescent element, and a flexible film having a barrier film is applied thereto to form the light emitting surface. The organic electroluminescent element is characterized in that at least one of the luminescent material contained in the luminescent layer is phosphorescence emitting substance, and not less than 80% by mass of the organic material constituting the organic layer has a glass transition temperature of 100° C. or above. | 11-12-2009 |
20090279286 | LIGHT MODULE FOR LCD BACKLIGHT MODULE - A light module of a LCD backlight module includes a circuit board and a plurality of light-emitting diodes (LEDs) arranged on the circuit board. Each of the LEDs has a wide far-field pattern, and each of the LEDs includes at least one LED chip and a molding unit packaging the LED chip. The LED chip is electrically connected to the circuit board. | 11-12-2009 |
20090284956 | LIGHT GUIDE MEMBER, PLANAR LIGHT SOURCE DEVICE USING THE LIGHT GUIDE MEMBER, AND DISPLAY APPARATUS - A light guide member in which a light that has entered one major face from an illuminant is emitted from the other major face, is characterized by comprising:
| 11-19-2009 |
20090290328 | BACKLIGHT DEVICE AND DISPLAY DEVICE USING THE SAME - A backlight device includes a main light guide plate, auxiliary light guide portions provided on the side of an opposed surface of the main light guide plate, and light sources arranged to emit light into the auxiliary light guide portions. A reflector is arranged to surround the introduction surface of the main light guide plate and the auxiliary light guide portions. Furthermore, an optical path forming member is provided on the inside of the reflector so as to form a dedicated optical path from the auxiliary light guide plate to the main light guide plate. Thereby, the light emitted from one auxiliary light guide portion is prevented from entering into another auxiliary light guide portion. | 11-26-2009 |
20090310339 | BACKLIGHT UNIT FOR LIQUID CRYSTAL DISPLAY DEVICE - Provided is a backlight unit for a liquid crystal display device. The backlight unit includes: a chassis; a printed circuit board connected to a side of the chassis, the printed circuit board including a plurality of light emitting diodes, and a pair of conductive pads through which power is supplied to the light emitting diodes, wherein the pair of conductive pads are disposed on an end of the printed circuit board; and a power socket into which the pair of the conductive pads are inserted. | 12-17-2009 |
20100008071 | Backlight unit and liquid crystal display device including the same - A backlight for a liquid crystal display device includes a first plurality of light emitting diodes having a first luminance and a second plurality of light emitting diodes having a second luminance, wherein at least the first and second plurality of light emitting diodes are interspersed with each other to provide an average luminance at or substantially near a predetermined target value of luminance that is consistent across the liquid crystal display device. | 01-14-2010 |
20100039798 | BACKLIGHT UNIT AND DISPLAY DEVICE HAVING THE SAME - Disclosed are a backlight unit and a display device having the same. The backlight unit comprises a light emitting diode (LED) module comprising an LED, a case supporting the LED module and comprising a bending part that guides and fixes an end portion of the LED module, and a fixing part fixing the LED module to the case. | 02-18-2010 |
20100053939 | Backlight module - A backlight module includes a frame, a diffuser, a first light source, and a light guiding plate. The diffuser is disposed in the frame. A plurality of diffusing particles is doped into the diffuser. The refractive index of the plurality of diffusing particles is less than that of the diffuser. Furthermore, the diffuser has a first light entrance surface and a light exit surface. The first light source is disposed in a long-axial direction of the diffuser and is located at a side of the first light entrance surface. The light guide plate is disposed at a side of the light exit surface. | 03-04-2010 |
20100061087 | BACKLIGHT AND DISPLAY - A backlight is provided for a direct-view display. The backlight comprises a plurality of discrete light sources ( | 03-11-2010 |
20100073917 | PACKAGED LIGHT EMITTING DEVICES INCLUDING MULTIPLE INDEX LENSES AND METHODS OF FABRICATING THE SAME - A packaged light emitting device includes a substrate, a solid state light emitting device on the substrate, a first generally toroidal lens on the substrate and defining a cavity relative to the solid state light emitting device and having a first index of refraction, and a second lens at least partially within the cavity formed by the first lens and having a second index of refraction that is different from the first index of refraction. The second index of refraction may be higher than the first index of refraction. The lenses may be mounted on the substrate and/or may formed by dispensing and curing liquid encapsulant materials. | 03-25-2010 |
20100110667 | ILLUMINATING DEVICE, DISPLAY DEVICE HAVING IT, AND TELEVISION RECEIVER - A thin, lightweight illuminating device, in the form of a backlight unit, is capable of securing even brightness and improving light use efficiency. The backlight unit includes a light source including a plurality of light emitting diodes mounted on a mounting surface of a board, a diffusion plate which has a light introduction surface that faces the mounting surface of the board at a predetermined distance therefrom and diffuses the light emitted from the plurality of light emitting diodes, and a reflection sheet that is adhered to the mounting surface of the board. A light emission direction of the plurality of light emitting diodes is parallel or substantially parallel to the light introduction surface of the diffusion plate. | 05-06-2010 |
20100118519 | LIGHT GUIDING PLATE, AND BACKLIGHT ASSEMBLY AND DISPLAY DEVICE HAVING THE SAME - A light guiding plate to enhance uniformity of brightness and a backlight assembly and a display device having the same in one or more embodiments. In one embodiment, the light guiding plate includes a plurality of the linear shaped prisms on a back surface thereof, and the linear shaped prisms are omitted partially at the incident portion of the light guiding plate such that a non-prism area, connection area, and prism area are formed in stated order from the incident portion end on the back surface of the light guiding plate. Therefore, the display device having the light guiding plate is adapted to increase a uniformity of brightness of the edge type backlight, and the display quality can be improved. | 05-13-2010 |
20100124047 | BACKLIGHT UNIT - A backlight unit capable of implementing slimness and preventing stain defects is disclosed. The backlight unit includes a plurality of LEDs arranged in a fixed interval, a reflection sheet disposed under the LEDs and configured to reflect light, a diffusion plate disposed on the LEDs and configured to diffuse light, and a plurality of inversed pyramid patterns formed along a diagonal direction in the center of one side of the diffusion plate on the upper surface of the diffusion plate. The plural LEDs include a plurality of odd-numbered line LEDs and a plurality of even-numbered line LEDs arranged in zigzags. | 05-20-2010 |
20100142189 | SEMICONDUCTOR LIGHT EMITTING DEVICE, BACKLIGHT, COLOR IMAGE DISPLAY DEVICE AND PHOSPHOR TO BE USED FOR THEM - To provide a semiconductor light emitting device which is capable of accomplishing a broad color reproducibility for an entire image without losing brightness of the entire image. | 06-10-2010 |
20100165604 | WHITE ORGANIC ELECTROLUMINESCENT DEVICE - Disclosed is a white polymer organic electroluminescent device having excellent device characteristics such as efficiency. Specifically disclosed is a white organic electroluminescent device containing a polymer material as an electron-transporting material or a light-emitting material, wherein at least two light-emitting layers emitting light of different colors are laminated and at least one of the light-emitting layers is a crosslinked light-emitting layer. The white organic electroluminescent device is further characterized by emitting a white light as a whole. Preferably, at least one of the crosslinked light-emitting layers and at least one of the non-crosslinked light-emitting layers are in contact with each other in the white organic electroluminescent device. | 07-01-2010 |
20100177501 | BACKLIGHT MODULE FOR A SCANNING BACKLIGHT LCD - A backlight module includes a fluorescent lamp, an LED module, a controller, a lamp inverter, and an LED driver. The controller generates a first control signal and a second control signal according to a display signal. The lamp inverter drives the fluorescent lamp according to the first control signal. The LED driver drives the LED module according to the second control signal. The LED module is installed close to the fluorescent lamp for compensating the luminance of the fluorescent lamp when turning on and turning off. | 07-15-2010 |
20100220463 | LIGHT EMITTING MODULE AND LIGHT UNIT HAVING THE SAME - Disclosed are a light emitting module and a light unit having the same. The light emitting module includes a plurality of light emitting devices, each light emitting device including a package body, a light emitting diode provided in the package body, and a plurality of lead electrodes electrically connected to the light emitting diode while protruding outwardly from the package body; and a board including at least one receiving groove, wherein the at least one of the light emitting devices is removably inserted into the at least one receiving groove. | 09-02-2010 |
20100246164 | Hollow Edge-Type Backlight Module with Light-Emitting Array - A hollow edge-type backlight module with a light-emitting array and a display apparatus containing the same are disclosed. The hollow edge-type backlight module mainly utilizes a hollow reflection structure to replace a light-guide plate structure, and forms a light-emitting unit by collaborating with an edge-type light source, and forms a light-emitting array by appending together a plurality of light-emitting units. The reflection structure of each light-emitting unit has a horizontal surface and a reflective surface connected to the horizontal surface, wherein there is an angle included between the reflective surface and a surface extended from the horizontal surface, and the light source is disposed adjacent to the horizontal surface. A diffuser of the hollow edge-type backlight module is disposed above the reflective surface and the horizontal surface, and the diffuser, the light source, the horizontal surface and the reflective surface define at least one air cavity. | 09-30-2010 |
20100265696 | BACKLIGHT MODULE - A backlight module including a back plate, a frame, a light guide plate, and a light bar is provided. The back plate has a carrying portion and at least one holding portion, and the frame is leaned against the holding portion. The light guide plate is disposed on the carrying portion of the back plate, and one side of the light guide plate is accommodated between the holding portion and the carrying portion. The light bar includes a flexible substrate and a plurality of light emitting diodes (LEDs). The flexible substrate is disposed between the back plate and the light guide plate. The LEDs are disposed on the flexible substrate and located on the carrying portion of the back plate and by the light guide plate. Each of the LEDs has a first canopy which is located between the carrying portion and the light guide plate. | 10-21-2010 |
20100290212 | Low mechanical impact detacthable display - A display system utilizing low mechanical impact materials that are mounted with easily detachable connectors and rapidly changeable information content. Perpendicular mounting often enhances communication to pedestrians while soft edge materials maintain safety to users and prevents damage to the sign. User changeable sign content includes office printed sheets and LCD dynamic information displays. The system allows for both continuous use and rapid deployment in transitory or emergencies situations. | 11-18-2010 |
20100296269 | DISPLAY APPARATUS AND LIGHT SOURCE DEVICE USED IN THE DISPLAY APPARATUS - A light source device including light-emitting diodes (LEDs) and a carrier is provided. Chromaticities of some LEDs fall in a first area of a chromaticity coordinate diagram, while chromaticities of the other LEDs fall in a second area of the chromaticity coordinate diagram. The second area and the first area are point symmetric to a white center of the chromaticity coordinate diagram. A chromaticity coordinate value farthest from the white center in the first area is (X | 11-25-2010 |
20100296270 | DISPLAY DEVICE AND LIGHT EMITTING DEVICE - Reflectors ( | 11-25-2010 |
20110038141 | LATERAL EMISSION LED BACKLIGHT FOR LCD - A backlight for illuminating a liquid crystal display in which LEDs are arranged in an array in a backlight cavity. The LEDs are arranged such that the emission from the LEDs is in a lateral direction into the backlight cavity. The emission from the LEDs is shaped so as to match the cross-sectional shape of the backlight cavity thus achieving a high degree of spatial uniformity for a relatively small backlight cavity thickness. | 02-17-2011 |
20110103041 | PORTABLE COMPUTER HOUSING WITH INTEGRAL DISPLAY - An electronic device such as a portable computer may have a housing with a rectangular recess in which layers of display structures such as a light guide panel layer and other light guide structures are directly mounted without intervening chassis members. Mating alignment features in the housing and display structures may be used to align the display structures relative to the housing. A display may be formed from glass layers such as a color filter glass layer and a thin-film transistor glass layer. Backlight for the display may be generated by an array of light-emitting diodes. The light guide panel may direct light from the light-emitting diodes through the glass layers. A clamp may be used to hold the light-emitting diodes and light guide structures in place in the recess. An undercut in the housing may also hold the light guide structures in place. | 05-05-2011 |
20110176293 | LIGHT EMITTING MODULE, BACKLIGHT UNIT, AND DISPLAY APPARATUS - Provided is a light emitting module, which includes a module board, a light emitting diode, and a resin material. The module board includes a plurality of holes. The light emitting diode is in the hole. The resin material is in the hole. The module board includes a printed circuit board (PCB), and the PCB includes a photo solder resist (PSR) layer, an electrical conduction layer, and an insulation layer. | 07-21-2011 |
20110242797 | BACKLIGHT UNIT AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a backlight unit and a backlight apparatus are provided. The backlight unit includes a printed circuit board (“PCB”) having a plurality of inserting holes, a plurality of light-emitting diode (“LED”) package having a heat sink and inserted into the inserting hole and exposing the heat sink at a side of the PCB and a bottom chassis combining to the PCB. The heat sink of LED package is adhering to the bottom chassis. According to the present invention, the heat dissipation improves since the heat sink makes direct contact to the bottom chassis. | 10-06-2011 |
20110280005 | Modular Distributed Components for LED Backlight - A system for powering an LED backlight where power assemblies have electrical communications ran through pass through apertures in a mounting plate and LED backlight panel. A channel may be defined between the mounting plate and the LED backlight panel (or optional thermal plate attached to the rear portion of the LED backlight panel). Sub-channels can be created within the channel which are defined by ribs which connect between the mounting plate and the LED backlight panel (or optional thermal plate attached to the rear portion of the LED backlight panel). Cooling air can be prevented from entering one or more specific sub-channels so that electrical connections can pass through the mounting plate, LED backlight panel, and sub-channel without the risk of cooling air contaminates entering one of the pass through apertures. | 11-17-2011 |
20110305005 | PHOSPHOR PARTICLES, LIGHT-EMITTING DIODE, AND ILLUMINATING DEVICE AND LIQUID CRYSTAL PANEL BACKLIGHT DEVICE USING THEM - Phosphor particles of generally spherical shape have an average particle diameter of 5-50 μm and an average roundness of up to 0.3. The phosphor includes a garnet phase having formula: (A | 12-15-2011 |
20120044669 | LIGHT-EMITTING MODULE, LIGHT SOURCE DEVICE, LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING LIGHT-EMITTING MODULE - Provided is a light-emitting module, a light source device and a liquid crystal display device in which unevenness in the luminance and color hardly occurs as compared to conventional technology. A light-emitting module | 02-23-2012 |
20120087109 | BACKLIGHT APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - A backlight apparatus is provided that enables a balance of brightness to be maintained over the entire area of a display screen and long life to be achieved. The surface of substrate | 04-12-2012 |
20120087110 | DEVICE FOR COUPLING MODULE CIRCUIT BOARD AND FRAME AND BACKLIGHT USING THE SAME - A device for coupling a module circuit board and a frame includes: a module circuit board on which light emitting diodes (LEDs) are installed to have a certain pattern; and a frame coupled with the module circuit board by a coupling unit, wherein the coupling unit includes coupling recesses formed on a rear surface of the module circuit board and coupling members formed on the frame and coupled with the coupling recesses. | 04-12-2012 |
20120099296 | LIGHT EMITTING MODULE, BACKLIGHT UNIT, AND DISPLAY APPARATUS - Provided is a light emitting module, which includes a module board, at least one light emitting diode, a metal layer and a resin material. The module board includes a photo solder resist (PSR) layer, an electrical conduction layer under the PSR layer, an insulation layer under the electrical conduction layer, and a plurality of diode holes passes through the PSR layer, the electrical conduction layer, and the insulation layer. The light emitting diode is disposed inside the plurality of diode holes and is contacted to the metal layer exposed through the plurality of diode holes. | 04-26-2012 |
20120120633 | DISPLAY SYSTEM WITH DISTRIBUTED LED BACKLIGHT - A display system with a distributed LED backlight includes: providing a plurality of tile LED light sources, each tile LED light source having a tile and a plurality of similar LED light sources on each tile connected for emitting light therefrom; orienting the plurality of tile LED light sources for illuminating a display from the back of the display; and integrating the plurality of tile LED light sources into a thermally and mechanically structurally integrated distributed LED tile matrix backlight light source. | 05-17-2012 |
20120140448 | BACKLIGHT DEVICE AND IMAGE DISPLAY USING THE SAME - A backlight device includes light emitting diodes (LED's) and a plate-like light guide plate which guides light from the light emitting diodes to a liquid crystal panel. Grooves are disposed on the back of the light guide plate and the light emitting diodes are disposed in the grooves. The light emitting diodes disposed in the grooves are arranged so that light emission direction thereof is parallel with light emission plane of the light guide plate. First optical pattern is disposed on first side opposite to light emission plane of light emitting diodes and second optical pattern is disposed on second side opposite to the back of light emitting diodes. The optical patterns are formed into minute prism array or lens array, for example. | 06-07-2012 |
20120140449 | LIGHT MODULE FOR LCD BACKLIGHT MODULE - A light module of an LCD backlight module includes a circuit board and a plurality of light-emitting diodes (LEDs) arranged on the circuit board. Each of the LEDs has a wide far-field pattern and is without a reflector, and each of the LEDs includes at least one LED chip and a molding unit packaging the LED chip. The LED chip is electrically connected to the circuit board and is also suitable for backlighting use. When a light-emitting angle of each of the LEDs is at 120 degrees, a light intensity thereof is still more than 50% of the intensity at frontage. | 06-07-2012 |
20120155063 | LED LIGHT SOURCE MODULE AND DISPLAY APPARATUS INCLUDING THE SAME - An LED light source module is provided. The LED light source module includes a circuit board having a first circuit pattern and a second circuit pattern; and a plurality of rectangular LED packages mounted on the circuit board so as to be connected to each of the first and second circuit patterns, and arranged in a row such that each of the LED packages is tilted in a predetermined direction, while long sides of adjacent LED packages facing each other. In addition, a display device having the LED light source module is provided. | 06-21-2012 |
20120170254 | LIGHT SOURCE LENS, LIGHT SOURCE MODULE HAVING THE SAME AND BACKLIGHT ASSEMBLY HAVING THE LIGHT SOURCE MODULE - A light source lens includes a refraction surface having a concave portion proximate to a central axis of a light source lens. The central axis passes through a light source that is coupled to the light source lens. An angular distribution function F(θ′) of a first light emitted from the light source and refracted at the refraction surface at least approximately satisfies | 07-05-2012 |
20120314402 | SOLID STATE WHITE LIGHT EMITTER AND DISPLAY USING SAME - A light emitting assembly comprising a solid state device coupleable with a power supply constructed and arranged to power the solid state device to emit from the solid state device a first, relatively shorter wavelength radiation, and a down-converting luminophoric medium arranged in receiving relationship to said first, relatively shorter wavelength radiation, and which in exposure to said first, relatively shorter wavelength radiation, is excited to responsively emit second, relatively longer wavelength radiation. In a specific embodiment, monochromatic blue or UV light output from a light-emitting diode is down-converted to white light by packaging the diode with fluorescent organic and/or inorganic fluorescers and phosphors in a polymeric matrix. | 12-13-2012 |
20120320566 | LIQUID CRYSTAL DISPLAY DEVICE, AND LED BACKLIGHT UNIT - Provided is a liquid crystal display device and a backlight unit that are of high quality and have a simple configuration that a mechanism cooling a cooling medium is not included. Included are a liquid crystal display panel and an LED backlight unit including an LED light source emitting light toward the panel, and a chassis plate on which the light source is disposed, the plate including a through flow path for cooling air dissipating heat from the light source, wherein the path includes a main duct introducing the cooling air and disposed along one side of the panel, and a branch duct branching off from the main duct, aligned along a disposed direction of the light source, and including an exhaust port disposed at an end of the branch duct and discharging the cooling air to outside of the device. | 12-20-2012 |
20130003355 | Backlight Device and Display Device - It is an object to manufacture a highly reliable backlight device with less color unevenness and less luminance unevenness, and a high-performance and highly reliable display device including the backlight device, which can display a high quality image. A light emitting diode (LED) is used as a light source of a backlight device and thermoelectric elements are provided in a chassis for holding the light emitting diode so as to surround the light emitting diode (the thermoelectric elements are provided under the light emitting diode and on the four sides thereof). A temperature in the backlight device is adjusted by cooling and heating by the thermoelectric elements. | 01-03-2013 |
20130063927 | LED Backlight Module and Liquid Crystal Display Device - The present invention discloses a LED backlight module and a LCD device, wherein said LED backlight module comprises a reflector, multiple LEDs arranged on the reflector and a diffuser plate arranged oppositely to the LEDs; said diffuser plate is provided with multiple uniform-lighting structures. Because the diffuser plate of the LED backlight module of the present invention is provided with the uniform-lighting structures, the distance of light mixing and the light diffusion effect are increased through the reflecting and scattering effects of the uniform-lighting structures. Thus, the direct light backlight module is thinned, the number of LEDs is reduced, and the mura phenomenon is reduced. | 03-14-2013 |
20130094185 | LED lens, Back Light Module and Liquid Crystal Display Device - The present invention discloses a light emitting diode (LED) lens, a back light module and a liquid crystal display (LCD) device. A LED lens is of a direct type back light module; the dispersion index of said LED lens is less than 0.1; said dispersion index is: | 04-18-2013 |
20130094186 | SURFACE-TREATED FLUORESCENT BODIES AND PROCESS FOR PRODUCTION OF SURFACE-TREATED FLUORESCENT BODIES - The present invention aims to provide a surface-treated phosphor having high dispersibility and capable of significantly enhancing moisture resistance without deteriorating the fluorescence properties, and a method for producing the surface-treated phosphor. The surface-treated phosphor includes: a phosphor body; and a surface treatment layer containing at least one specific element selected from elements of the third to sixth groups of the periodic table, and fluorine, the phosphor body having the surface treatment layer on the surface thereof, wherein, when a cross section of the surface treatment layer is subjected to a thickness-wise elemental distribution analysis by a combination of an electron microscopic analysis and an energy-dispersive X-ray element analysis, a peak indicating the maximum content of the specific element appears nearer to the surface than a peak indicating the maximum fluorine content. | 04-18-2013 |
20130094187 | LED BACKLIGHT DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - Disclosed are a direct LED backlight device and a liquid crystal display device, which is provided with the backlight device. In the LED backlight device (BL | 04-18-2013 |
20130128554 | Flat Panel Display Device and Stereoscopic Display Device - The present invention provides a flat panel display device, which includes a backlight system and a display panel. The backlight system includes an LED light source, a back frame, and a PCB. The LED light source comprises an LED lamp and an LED substrate. The LED substrate includes, sequentially stacked, a first conductor wiring layer, a first insulation layer, an aluminum substrate, a second insulation layer, and a second conductor wiring layer and the LED lamp is mounted on the first conductor wiring layer. The back frame carries the LED light source and includes at least two primary assembling pieces. The at least two primary assembling pieces are joined to form a main frame structure of the back frame. The PCB is disposed on the second conductor wiring layer of the LED substrate. The present invention also provides a stereoscopic display device. The flat panel display device and the stereoscopic display device of the present invention can reduce the cost of back frame mold and save the material and space of the back frame, so as to lower down the cost of the flat panel display device and the stereoscopic display device. | 05-23-2013 |
20130141895 | Spatio-Optical Directional Light Modulator - A novel spatio-optical directional light modulator with no moving parts is introduced. This directional light modulator can be used to create 2D/3D switchable displays of various sizes for mobile to large screen TV. The inherently fast modulation capability of this new directional light modulator increases the achievable viewing angle, resolution, and realism of the 3D image created by the display. | 06-06-2013 |
20130141896 | Direct Type Backlight Module and Liquid Crystal Display Device - The present invention discloses a direct type backlight module and a Liquid Crystal Display (LCD) device. A direct type backlight module comprises a diffuser plate located on the light emergent surface and a backplane opposite to the diffuser plate; a support pin is arranged between the backplane and the diffuser plate, and the support pin is rigidly fixed to the backplane. Because the support pin of the present invention is rigidly fixed on the backplane, there is no direct relationship between the present invention and the thicknesses of the backplane and the LED light plate fixed on the backplane, and no noise is produced by the loosed “mushroom head” due to infirm gripping; therefore, the support pin can be firmly fixed. The support pin can be rigidly fixed by modes facilitating the automatic operation like SMT welding and riveting, which is advantageous for promoting the productivity and the conformance rate. | 06-06-2013 |
20130141897 | LCD Device And LED Package Structure Thereof - An LED package structure is disclosed, which comprises an LED chip and a frame for receiving the LED chip, and the frame comprises a bottom wall, a first sidewall and a light exiting wall. The LED chip is disposed on the bottom wall, the first sidewall is obliquely disposed in a light exiting direction of the LED chip, and light rays emitted from the LED chip are reflected by the first sidewall and then exit from the light exiting wall. An LCD device is further disclosed. According to the LCD device and the LED package structure thereof of the present disclosure, light rays emitted from the LED chip are reflected by the first sidewall and then exit from the light exiting wall. This can increase the light mixing distance for the LED chip and avoid occurrence of light emission blind areas, thus eliminating the hot spot phenomenon. | 06-06-2013 |
20130265744 | BACKLIGHT ASSEMBLY HAVING LEDs AND SIDE REFLECTORS AND DISPLAY APPARATUS HAVING THE SAME - A backlight assembly includes: a light emitting unit having a plurality of unit LEDs formed in a matrix, each of the unit LEDs having a red LED, a green LED, and a blue LED; a plurality of bottom reflectors disposed under the respective unit LEDs; and a plurality of side reflectors disposed around the respective unit LEDs. | 10-10-2013 |
20130279154 | Heat Exchanger for Back to Back Electronic Displays - A cooling assembly for a dual electronic image assembly having an open and closed gaseous loop. A closed gaseous loop allows circulating gas to travel across the front surface of a pair of electronic image assemblies 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 electronic image assembly (optionally a backlight). The cooling assembly can be used with any type of electronic assembly for producing an image. Some embodiments use cross-flow heat exchangers comprised of corrugated plastic. | 10-24-2013 |
20130294052 | Backlight Module for Liquid Crystal Display and Liquid Crystal Display - The utility model discloses a backlight module for a liquid crystal display device and a liquid crystal display device. The backlight module comprises an LED and a backplane, wherein the backlight module also comprises a heatsink plate arranged on the outer of the backplane; and the LED is linked with the heatsink plate in the mode of heat conduction. The utility model, by arranging the LED on an extra heatsink plate which is arranged on the outer of the backplane, dissipates outward the heat emitted by the LED through the heatsink plate, lowers the temperature of the backlight cavity, and protects the optical components. At the same time, because the backplane is not directly used to dissipate heat, the gradient of temperature distribution on the backplane is reduced, thus, the gradient of temperature distribution in the backlight cavity is reduced and stress of the backlight cavity induced by the temperature gradient is also reduced. | 11-07-2013 |
20130343040 | DIRECT TYPE BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A direct type backlight unit includes an optical film, a diffusion plate for supporting the optical film, a bottom plate disposed under the diffusion plate, a plurality of light emitted diodes disposed between the diffusion plate and the bottom plate, and a plurality of support structures disposed between the diffusion plate and the bottom plate and fixed on the bottom plate, wherein each support structure is disposed between two adjacent light emitting diodes, a height of each support structure is smaller than a distance between the bottom plate and the diffusion plate. The direct type backlight unit can improve the problem that a dark area occurs on the diffusion plate. | 12-26-2013 |
20140009914 | CURVED FRAME AND CURVED DISPLAY DEVICE HAVING THE SAME - A curved frame is provided for securing therein a display panel and an optionally curved backlight unit. The curved frame includes an upper frame part, a lower frame part, a left frame part and a right frame part. The upper frame part has a first set of curved guide rails formed thereon, which guide rails are bent in accordance with first curvatures of upper sides of the display panel and the backlight unit. The lower frame part has a second set of guide rails formed thereon, which guide rails are bent in accordance with second curvatures of lower sides of the display panel and the backlight unit. The left frame part is combined with each of first edge portions of the upper and lower frame parts. The right frame part is combined with each of second edge portions of the upper and lower frame parts. | 01-09-2014 |
20140029244 | Parallax Reduction - Parallax in an optical device is reduced by apply one or a combination of several disclosed techniques, including reduced solid angle or increased collimation of light sources, increased diffusion/scattering at an output of the device, and/or reflective structures for collimation and containment of reflected light. The techniques are advantageously applied to a backlight LCD display, and particularly to high dynamic range dual modulation displays. | 01-30-2014 |
20140036480 | LIGHTING UNIT AND DISPLAY DEVICE HAVING THE SAME - Provided are a lighting unit and a display device including the same. The lighting unit includes a bottom cover having a plurality of sidewalls, light emitting modules each including a board disposed on the bottom cover and a plurality of light emitting diodes mounted on the board, and a light-transmitting resin layer covering the bottom cover and the board. | 02-06-2014 |
20140104816 | LIGHT SOURCE APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - Unevenness in brightness of a plane light source is controlled to improve a display quality of a plane light source. An LED module comprising one or a plurality of light source sections with a high brightness peak value and a large light and dark contrast difference, and an LED module comprising one or a plurality of light source sections with a low brightness peak value and a small light and dark contrast difference, are alternately arranged. The one or the plurality of light source sections comprise a white resist arranged on a substrate region around LED, as a reflection material. The light source section with a large brightness peak value and a large light and dark contrast difference, and the light source with a low brightness peak value and a small light and dark contrast difference, are formed by the difference in a reflection rate of the white resist. | 04-17-2014 |
20140111976 | SILICONE RESIN - A silicone resin is provided. The silicone resin may be effectively used to encapsulate a semiconductor element, for example, a light-emitting element of a light-emitting diode. | 04-24-2014 |
20140126185 | BACKLIGHT MODULE - A backlight module is provided, including a first light-emitting device and a second light-emitting device. The first light-emitting device includes a first blue light LED chip and a first phosphor layer having a first color spectrum, wherein the first color spectrum has a first color spectrum area with at least 70% thereof distributed within the range from 500 nm to 580 nm. The second light-emitting device includes a second blue light LED chip and a second phosphor layer having a second color spectrum, wherein the second color spectrum has a second color spectrum area with at least 60% thereof distributed within the range from 600 nm to 680 nm. The first color spectrum has a portion within the range from 590 nm to 780 nm, and the portion has a first area smaller than or equal to 10% of the second color spectrum area. | 05-08-2014 |
20140153223 | LED UNIT AND DISPLAY INCOPORATING THE SAME - An LCD module includes a screen, a light diffusion plate, a lens and an LED. The lens covers the LED. The lens includes a main body having a bottom face and a top face opposite to the bottom face. The bottom face of the main body defines a cavity to receive the LED. The top face of the main body forms a plurality of concentric annuluses thereon. Each annulus has a first face perpendicular to the top face of the main body, and a second face inclined relative to the top face of the main body, to thereby diverge a part of light from the LED and into the lens. A central area of the top face of the main body is surrounded by an innermost annulus, and forms a rough face for diffusion another part of the light from the LED into the lens. | 06-05-2014 |
20140160734 | LED UNIT AND DISPLAY INCOPORATING THE SAME - An LCD module includes a screen, a light diffusion plate, a first lens, a second lens and an LED. The second lens covers the first lens which in turn covers the LED. The first lens has a first fly-eye lens array formed on a light-incident face thereof and a second fly-eye lens array formed on a light-emergent face thereof. Each of the first fly-eye lens array and the second fly-eye lens array includes multiple convex micro-lenses. The second lens is a light diffusion lens. Light emitted from the LED is diffused by the first lens and the second lens to uniformly illuminate the screen through the light diffusion plate. | 06-12-2014 |
20140168949 | Direct Type Backlight and Display Device - The present invention provides a direct type backlight and a display device provided with the direct type backlight. The direct type backlight includes: a backplate; a printed circuit board fixed on the backplate; a number of LED lamp units fixed on the printed circuit board; side frames fixed on inner side walls of the backplate; reflection sheets covering inner wall of cavity formed by the printed circuit board and the side frames, said reflection sheets have lamp holes matching the LED lamp units; outer frames fixed on upper sides of the backplate and the side frames; said direct type backlight further including: a silica gel light guide plate which this the cavity formed by the printed circuit board and the side frames to cover the reflection sheets and the LED lamp units; and optical film disposed on upper surface of the silica gel light guide plate and located between the upper surface of the silica gel light guide plate and the outer frames. By diffusing the light rays emitted from the LED lamps through the silica gel light guide plate, the mixing distance of the LED lamp is shortened, thus the thickness of the direct type backlight is reduced and the display device becomes much thinner. | 06-19-2014 |
20140177208 | LENS AND BACKLIGHT MODULE HAVING THE LENS - A lens includes an incident surface and a light output surface. A plurality of light diverging portions is arranged on the light output surface and around a center of the light output surface. The light diverging portions each are a ring and are spaced from each other. An inner light diverging portion has a refraction angle larger than that of an outer light diverging portion. Light emitted into the lens from the incident surface is diffused by the light output surface and the light diverging portions to radiate out of the lens. A cross section of each light diverging portion has a shape of a triangle. The present disclosure also relates a backlight module using the lens. | 06-26-2014 |
20140185274 | LIGHT-EMITTING-ELEMENT ENCAPSULATING COMPOSITION, LIGHT-EMITTING DIODE AND LIQUID CRYSTAL DISPLAY DEVICE - An encapsulating composition for a light emitting element, a light emitting diode (LED) and a liquid crystal display device (LCD) are provided. A silicone-cured product included as a main ingredient and a conductivity-providing agent having excellent compatibility and capable of providing superior conductivity can be used to significantly reduce the surface resistivity of the silicone-cured product. Therefore, the encapsulating composition for a light emitting element, the LED and the LCD can be useful in solving the problems regarding attachment of a foreign substance such as dust due to static electricity, and degradation of transparency since the composition has low surface resistivity when used as a semiconductor encapsulation material for an LED, and also in providing a cured product having excellent properties such as light resistance, heat resistance, durability and optical transparency. | 07-03-2014 |
20140211454 | Lighting System for Transparent Liquid Crystal Display - Exemplary embodiments provide a lighting system for a transparent LCD having opposing vertical edges, the system having a mullion lighting assembly positioned adjacent to each vertical edge of the transparent LCD, each mullion lighting assembly having sidewalls defining a center channel. A plurality of LEDs are positioned along the sidewall of each mullion assembly and on a side of the sidewall that opposes the center channel. The LEDs are preferably placed in conductive thermal communication with the sidewall and preferably have a quantum dot film positioned over each LED. A fan is preferably positioned to draw cooling air through the center channel. | 07-31-2014 |
20140233218 | TRANSPARENT LCD WINDOW FRAME WITH ADJUSTABLE LED SPOT LIGHTS - This invention provides a Transparent LCD window frame with adjustable LED spot lights to be primarily use as an information screen when set in front of an object. The transparent LCD displays information, images or videos in front of objects or people that are properly lighted by the built in adjustable spot LED lights. The unit is self contained and operates independent or it can be controlled externally or remotely. | 08-21-2014 |
20140307421 | DISPLAY APPARATUS - Provided is a display apparatus. The display apparatus may include a display panel and a backlight provided adjacent the display panel. The backlight may include an optical sheet provided adjacent the display panel, a reflector provided a prescribed distance from the optical sheet, at least one light emitting device provided adjacent the reflector, and a lens provided over a corresponding the light emitting device. The lens may include a lower recess formed on a bottom surface of the lens and provided a prescribed distance over the light emitting device, and an upper recess formed on a top surface of the lens and provided to vertically overlap the bottom recess. The lower recess may include an upper surface that extends from the side surface and having a prescribed shape and curvature. The upper recess may also include a lower surface having a prescribed shape and curvature. | 10-16-2014 |
20140313698 | Cooling Assembly for an Electronic Display - The exemplary embodiments herein provide a system for cooling an electronic display where a plate is positioned behind the electronic display, the space between the plate and the electronic display defining a first channel. A first fan is preferably positioned to force a first flow of external air through the first channel. A heat exchanger is preferably positioned adjacent to the plate where the space between the heat exchanger and the plate defines a second channel; and a second fan is preferably positioned to force a second flow of external air through the second channel and through the heat exchanger. A continuous heat sink may be placed within the first channel. Pass through gaskets may be used to ensure the external air may cross paths with the circulating gas without permitted the external air and circulating gas to mix. | 10-23-2014 |
20140340876 | LIGHT EMITTING DEVICE PACKAGE AND BACKLIGHT UNIT USING THE SAME - A light emitting device package including light emitting devices, and optical lenses respectively disposed over the light emitting devices. Further, a respective optical lens includes an extending member extending from a body of the respective optical lens, and including a first portion laterally extending in a first direction substantially perpendicular to the central axis of the respective light emitting device, and a second portion extending towards the substrate in a second direction substantially parallel with the central axis of the respective light emitting device. A vertical cross section of the second portion is substantially symmetrical with respect to an axis that is spaced apart in the first direction from and substantially parallel with the central axis of the respective light emitting device. | 11-20-2014 |
20140376208 | OPTICAL STRUCTURE AND BACKLIGHT UNIT - An optical structure includes a body facing a light emitting surface of a light emitting diode package and including a portion protruding toward the light emitting surface of the light emitting diode package, where a surface of the protruding portion faces the light emitting surface and forms a reflective surface of the optical structure; and a leg elongated from a periphery of the body toward the point light source, where the leg supports the body to be spaced apart from the light emitting diode package. | 12-25-2014 |
20150023004 | Backlight Module And Display Device - Embodiments of the present invention provide a backlight module comprising a light source and a diffusion plate disposed immediately opposite a light exiting surface of the light source. | 01-22-2015 |
20150036322 | BACKLIGHT MODULE - A backlight module includes a plurality of LED light sources each generating a light with a large degree of emission, a plurality of lenses, a diffusing plate and two brightness enhancement films. Each lens has a light inputting face and a light outputting face directly adhered to a light inputting face of the light diffusing plate. The light inputting face of each lens is curved and protrudes toward the LED light source. Each LED light source is corresponding to one of the lenses. Light emitted from the LED light sources enters the light inputting faces of the lenses, and exits from the light outputting faces of the lenses. The light outputted from the light outputting faces of the lenses perpendicularly enters the light inputting face of the diffusing plate, and exits from a light outputting face of the diffusing plate to enter the brightness enhancement films. | 02-05-2015 |
20150043196 | BACKLIGHT SYSTEM WITH MODULAR LIGHT EMITTING DIODE ASSEMBLIES - A modular backlight display board employs an extrusion that receives multiple LED modules that may be assembled together with end connectors. By trimming the extrusion to different lengths and installing different numbers of LED modules within the extrusion, a wide variety of different widths of backlight can be readily created. | 02-12-2015 |
20150043197 | PLANAR LIGHTING DEVICE USING LIGHT EMITTING DIODES - A planar LED lighting device includes a reflective sheet comprising a reflective surface and a plurality of LEDs arranged on the reflective surface. Each LED comprises a light emitting surface. A plurality of first optical elements cover the LEDs. A plurality second optical elements face the first optical elements. Each second optical element has a total reflective surface facing a corresponding first optical element. A light diffusing sheet is located above the second optical elements. Light beams emitted from the LEDs are collimated by the first optical elements, then divergently reflected by the total reflective surfaces of the second optical elements to reach the reflective sheet, thereafter scattered and reflected by the reflective sheet and then travel to the light diffusing sheet to be diffused thereby. Finally, the diffused light beams leave the light diffusing sheet to an outside. | 02-12-2015 |
20150070875 | Phosphor, Method For Manufacturing Same, Light Emitting Device, and Image Display Device - A chemically and thermally stable phosphor having unconventional light emitting properties and high light emitting intensity with an LED of 470 nm or less, includes an inorganic compound comprising: a crystal designated by A | 03-12-2015 |
20150077977 | BACKLIGHT MODULE AND LCD - The present invention provides a backlight module and an LCD. The backlight module includes a light source, a PCB, and a reflector. The light source includes a light output surface. The light output surface is parallel to the PCB with a light source distance therebetween. The reflector is disposed beside the light source and has a reflecting layer. The reflecting layer is outward curved in an opposite direction of the PCB, and there is a maximum distance between the reflecting layer and the PCB, and the maximum distance is larger than the light source distance. | 03-19-2015 |
20150085472 | SILICATE PHOSPHORS - The present invention relates to Eu-, Sm- or Pr-doped silicate compounds, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising at least the conversion phosphor according to the invention and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and lighting units which contain a primary light source and the emission-converting material according to the invention. | 03-26-2015 |
20150085473 | LED Backlight Display Device and LED Backlight Arrangement Method - An LED backlight display device has a display panel body having a substantially rectangular shape which includes longer sides and shorter sides as edge portions; and a backlight arranged in a manner such that LED light emitting elements are aligned along the edge portions of the display panel body. The backlight is arranged at any one of the longer sides and the shorter sides of the display panel body; and a front sensor that measures luminance and chromaticity of the backlight is arranged at one side among the longer sides and the shorter sides of the display panel body where the backlight is not arranged at the one side. | 03-26-2015 |
20150098211 | MEMBER FOR CONTROLLING LUMINOUS FLUX AND DISPLAY DEVICE HAVING THE SAME - The exemplary embodiments of the present invention have a first refractive surface whose distance from a central axis gradually increasing as being distanced from a rear surface, and light from a light source can be effectively emitted from a first refractive surface to a lateral direction or an upper lateral direction. | 04-09-2015 |
20150098212 | NANOCRYSTAL POLYMER COMPOSITES AND PRODUCTION METHODS THEREOF - A semiconductor nanocrystal composition including a semiconductor nanocrystal, an organic additive, and at least one polymerizable substance selected from a polymerizable monomer, a polymerizable oligomer, and a combination thereof, wherein the composition has haze of greater than or equal to about 40% after polymerization. | 04-09-2015 |
20150103513 | OPTICAL REFLECTION FILMS - Films useful as optical reflectors are prepared by coating a sheet of polyethylene terephthalate or other thermoplastic with acrylic polymer, white pigment, and optionally other additives such as impact modifiers, matting agents and UV stabilizers. | 04-16-2015 |
20150109764 | LENS FOR BACKLIGHT OF DISPLAY DEVICE AND BACKLIGHT OF DISPLAY DEVICE INCLUDING THE SAME - A lens for a backlight of a display device, includes a lower surface, a groove portion defined recessed from the lower surface and comprising a curved surface; and an upper surface comprising an outer edge and a center, in a plan view, of which a distance from the lower surface decreases in a direction from the outer edge to the center. | 04-23-2015 |
20150116986 | HEAT CONDUCTIVE DEVICE, BACKLIGHT MODULE, AND LIQUID CRYSTAL DEVICE - A heat conductive device is disclosed. The heat conductive device includes at least one collecting frame and at least one conductive plate vertically connected to each other. The collecting frame is for surrounding LEDs and is tightly attached to a mounting surface of the circuit board, and the conductive plate is tightly attached to a back plate. The heat conductive device overcomes the defects that there is no effective heat conductive path between the circuit board and the back plate. The heat accumulated on the circuit board is greatly transmitted to the back plate, and thus the heat conductive efficiency and the heat dissipation efficiency are enhanced. | 04-30-2015 |
20150124434 | DIRECT TYPE BACKLIGHT MODULE - A backlight module includes an optical film, a light source panel, a number of light sources mounted on the light source panel, and a reflective frame positioned between the optical film and the light source panel. The reflective frame includes an upper frame, a lower frame, and a reflective plate positioned between the upper frame and the lower frame. The upper frame includes a receiving portion for receiving the optical film, the lower frame is connected with the light source panel, and the reflective plate defines a number of through holes. The reflective plate, the lower frame, and the light source panel cooperatively define a closed chamber. | 05-07-2015 |
20150131266 | LIGHT EMITTING DEVICE PACKAGE AND BACKLIGHT UNIT USING THE SAME - A light emitting device package including light emitting devices, and optical lenses respectively disposed over the light emitting devices. Further, a respective optical lens includes an extending member extending from a body of the respective optical lens, and including a first portion laterally extending in a first direction substantially perpendicular to the central axis of the respective light emitting device, and a second portion extending towards the substrate in a second direction substantially parallel with the central axis of the respective light emitting device. A vertical cross section of the second portion is substantially symmetrical with respect to an axis that is spaced apart in the first direction from and substantially parallel with the central axis of the respective light emitting device. | 05-14-2015 |
20150146413 | BACKLIGHT MODULE - A backlight module includes a back cover, a light source panel positioned on the back cover, a frame connected with the back cover and an optical film assembled to the frame. A pair of reflective plates are positioned between the frame and the back cover, and a plurality of through holes are defined on the pair of reflective plates. A chamber is cooperatively defined between the pair of reflective plates and the back cover, and inner surfaces of the chamber have a high reflectivity. | 05-28-2015 |
20150338057 | SIDE-EMITTING LED LENS, AND BACKLIGHT UNIT AND DISPLAY DEVICE COMPRISING SAME - Disclosed is a side-emitting LED lens including: a lower surface including an incident surface with light emitted from the LED chip thereon; an upper surface formed to total-reflect directly incident light among light beams incident on the incident surface; and a side surface for connecting the lower surface and the upper surface and formed to emit directly incident light among light total-reflected by the upper surface and light incident on the incident surface, out of the lens. The upper surface is formed to total-reflect light that is emitted from an end point of a light emitting surface of the LED chip, positioned at the same side as an arbitrary point on the upper surface based on an optical axis of the LED chip, and incident on the arbitrary point on the upper surface, towards the side surface. | 11-26-2015 |
20150378215 | LIGHT DISTRIBUTING OPTICAL COMPONENT - The present disclosure includes an optical component including one or more textured surfaces configured to diffuse light incident thereto from within the optical component. The optical component includes textured surfaces at least along a top periphery of its body. | 12-31-2015 |
20160004123 | IMAGE DISPLAY APPARATUS - According to one embodiment, an image display apparatus including, a display which displays information, a light source includes a plurality of LED elements and a covers each covers each of the respective LED elements, a reflective member including a plurality of openings through which the light source is exposed, and which reflects illumination light from the LED elements, and a light control member, formed around each of the openings and being provided with a predetermined width in a radial direction of the openings, to control the reflection of the illumination light from each of the LED elements being reflected from the reflective member wherein the width of the light control member being less than half a center-to-center distance between the openings. | 01-07-2016 |
20160041326 | BACKLIGHT MODULE STRUCTURE - The present invention provides a backlight module structure, which includes a backplane ( | 02-11-2016 |
20160041423 | Heat Exchanger for Back to Back Electronic Displays - Exemplary embodiments include an electronic display assembly for back to back electronic image assemblies. A first closed gaseous loop may encircle the first electronic image assembly while a second closed gaseous loop may encircle the second electronic image assembly. A heat exchanger is preferably positioned within the path of the first and second closed gaseous loop along with an open loop of ambient air. A circulating fan(s) may be used to force circulating gas around the closed gaseous loops. An open loop fan may be used to force ambient air through the heat exchanger and through an optional channel behind each electronic image assembly. | 02-11-2016 |
20160077379 | Backlight Module - The invention provides a backlight module, comprising: a light source module used for emitting light; a light box module used for reflecting light emitted from the light source module, and the light box module includes two openings and a size of a second opening is bigger than a first opening, and the light source module is disposed at the first opening; a display panel component is disposed at the second opening and applied in displaying images; a film assembly disposed in the light box module, can be moved within a depth direction between the light source module and the display panel component. | 03-17-2016 |
20160091759 | Reflector Sheet, Backlight Module and Display Apparatus - A reflector sheet, a backlight module and a display apparatus, which relate to the display technical field, are provided. They can reserve a space for deformation during thermal expansion of the reflector sheet and prevent the reflector sheet from being deformed, thereby avoiding uneven light. The reflector sheet comprises a reflector sheet body and apertures located in the reflector sheet body and configured for allowing a luminous body to pass therethrough, the apertures comprising first apertures and second apertures, wherein each of the first apertures is configured for relatively fixing a luminous body passing therethrough and the reflector sheet body, and each of the second apertures is configured for reserving a gap between a luminous body passing therethrough and the reflector sheet body. Also disclosed is use of the reflector sheet for manufacturing a display apparatus. | 03-31-2016 |
20160097951 | A MOUNTING STRUCTURE AND METHOD OF DIRECT TYPE BACKLIGHT MODULE LIGHT BAR AND THAT OF LIQUID CRYSTAL DISPLAY - A mounting structure of direct type backlight module light bar comprising a PCB and a plurality of light bars, wherein, two PCB circuit strips are assembling at the two edges of the PCB, the PCB circuit strips are provided with a plurality of the first connectors assembled on, the light bars are provided with a plurality of the second connectors assembled on. The PCB circuit strips can be uniformly storied and sorted out of the wire of the light bar to make the wire to be in order. The light bars can be inserted into the PCB circuit strips with the connectors for achieving the fast assembling and disassembling of the light bars. The circuit can be simplified, so the light emitting modules can be fast disassembled or assembled, and the mounding efficiency of the backlight module light bar and the rate of the good product will be improved. | 04-07-2016 |
20160103366 | BACKLIGHT STRUCTURE AND LIQUID CRYSTAL DISPLAY DEVICE - A backlight structure comprises a back plate which light emitting bodies are disposed on the back plate, and a bump structure is disposed on the back plate. The light emitting bodies are disposed on the bump structure. The bump structure can be protruding bars, or cylindrical ring stands having the same concentric point. Also, a liquid crystal display device which the backlight structure used in is disclosed. The backlight structure changes some parameters, such as the light emitting angle of the lamps and the light density, by fixing the light emitting bodies of the backlight structure on the curved back plate, so that it is conductive to uniform the light source, enhance the efficiency of the mixed light and reduce the thickness of the direct type back light structure. | 04-14-2016 |
20160124269 | BACKLIGHT UNIT HAVING UNIFORM BRIGHTNESS - A backlight unit according to an embodiment of the inventive concept includes a driving substrate and a plurality of first clusters and a plurality of second clusters arranged in rows and columns on the driving substrate, wherein the first clusters and the second clusters are alternately arranged in each row on the driving substrate, wherein at least one of the first clusters and at least one of the second clusters are repeatedly disposed in each column on the driving substrate, wherein each of the first clusters and each of the second clusters includes a plurality of light emitting diodes (LEDs), the first and second clusters having structures inverted to each other, wherein each of LEDs that are most adjacent to a row directional edge of the driving substrate, among the LEDs of the first and second clusters, is connected in parallel to a resistor. | 05-05-2016 |
20160161802 | BACKLIGHT UNIT - A backlight unit includes a substrate having a plurality of block regions, partitions confining the block regions respectively on the substrate, patterns extending along a direction on surfaces of the partitions and being parallel with each other, and light sources disposed respectively in the block regions. | 06-09-2016 |
20160195254 | Expanded Heat Sink for Electronic Displays | 07-07-2016 |
20160252776 | DIRECT BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY DEVICE | 09-01-2016 |
20220137458 | Light source module and display device - A light source module includes a substrate, a reflective sheet, a plurality of light-emitting elements, an adhesive layer, and a frame. The reflective sheet is disposed on the substrate and has a side wall, a protrusion and a plurality of openings. The protrusion is protruded in a direction away from the substrate and has a mesh structure to define a plurality of dimming areas. The plurality of openings respectively correspond to the plurality of dimming areas. The plurality of light-emitting elements are disposed on the substrate, and the plurality of light-emitting elements are respectively disposed to pass through the plurality of openings. The adhesive layer is disposed between the substrate and the reflective sheet. The frame surrounds the reflective sheet and the plurality of light-emitting elements. The side wall of the reflective sheet is disposed on the frame. A display device of the invention is further provided. | 05-05-2022 |
20220137463 | LIGHT-EMITTING STRUCTURE, BACKLIGHT MODULE, DISPLAY MODULE, AND DISPLAY DEVICE - A light-emitting structure, a backlight module, a display module, and a display device are provided. The light-emitting structure includes a circuit substrate, including a first surface and a second surface sequentially arranged along a light-exiting direction of the light-emitting structure. The circuit substrate also includes a light-transparent substrate and a wiring structure located on a side of the light-transparent substrate in a thickness direction. The light-emitting structure also includes a plurality of light-emitting elements, arranged in an array on one of the first surface or the second surface of the circuit substrate. The plurality of the light-emitting elements is electrically connected to the wiring structure. The light-emitting structure also includes a heat sink, located on a side of the first surface of the circuit substrate. The heat sink is configured for dissipating heat generated by the plurality of the light-emitting elements. | 05-05-2022 |