| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 345083000 | Color | 64 |
| 20080204382 | COLOR MANAGEMENT CONTROLLER FOR CONSTANT COLOR POINT IN A FIELD SEQUENTIAL LIGHTING SYSTEM - A color management system for a field sequential lighting system. The color management system includes a plurality of light sources, a driver circuit, and a controller. The driver circuit is coupled to the plurality of light sources, and the controller is coupled to the driver circuit. The driver circuit drives the plurality of light sources. The controller generates first and second control signals for a first subframe of a temporal sequence of subframes. The first control signal corresponds to a first light source of a first color which is a primary color for the first subframe. The second control signal corresponds to a second light source of a second color which is a supplemental color for the first subframe. Embodiments of the color management system maintain a color point of the primary color of each subframe. | 08-28-2008 |
| 20080204383 | Multicolor Light Emitting Device Incorporating Tunable Quantum Confinement Devices - A multicolor light emitting optical device is a programmable, multifunctional, general-purpose, solid-state light source. The device can use any of several light sources, including LEDs. The device couples a light source and a tunable optical converter composed of a quantum confinement device to produce a tunable, monochromatic light emission. The output wavelength of the optical device can be selected from within a tunable range of the optical (visible, near infrared, or near ultraviolet) spectrum on demand, in real time. The optical device is capable of serving as a tunable light source, a “true color” pixel, and a replacement for bi-color, tri-color, and multi-color light-emitting diodes. The optical device has particular, but not exclusive, application as an indicator light, in room lighting, and as a picture element in video displays. | 08-28-2008 |
| 20080204384 | Organic electroluminescence display (OELD) and driving methods thereof - An OELD, including a pixel unit having a plurality of pixels to emit light, a photosensor configured to generate a control signal corresponding to an amount of ambient light, a control unit having a gamma control unit, a color coordinate control unit and a light emission control unit, the gamma control unit may be configured to set a gamma correction signal corresponding to the control signal, and the color coordinate control unit may be configured to correct a color coordinate of data signals corresponding to the control signal, a scan driver configured to generate scan signals to scan lines, a data driver configured to correct a gamma value of the data signals according to the data signals corrected in the color coordinate control unit and the gamma correction signal output from the gamma control unit, the data driver may be configured to supply the corrected gamma value to the data lines, and a power supply unit configured to supply power to the pixel unit. | 08-28-2008 |
| 20080218458 | Color display system - A color display device including: at least one spatial light modulation element forming a display picture by modulated light obtained by modulating illumination light, a color sequential light generation device changing in a time series the illumination light or the modulated light into multiple groups of different color lights in one frame of a display period of the display picture, a control device controlling the spatial light modulator, and a color sequential light generation device based on the input picture data. The control device controls the spatial light modulator and the color sequential light generation device to change the ratio of the display time of each color of the reflected light time-shared in the display period of the frame depending on the character and/or the set value of the input picture data. | 09-11-2008 |
| 20080224968 | DISPLAY DEVICE, METHOD FOR DRIVING DISPLAY DEVICE, AND ELECTRONIC APPARATUS - Disclosed herein is a display device including: a red pixel configured to be provided with a red light-emitting element that generates red light; a green pixel configured to be provided with a green light-emitting element that generates green light; and two blue pixels configured to be provided with blue light-emitting elements that generate blue light and have the same structure, wherein a color filter is provided on a light-extraction side of at least one of the two blue pixels so that blue light beams having different y-values in an xy chromaticity coordinate system are extracted from the two blue pixels. | 09-18-2008 |
| 20080231567 | True Color Flat Panel Display Module - A full color flat panel display module is formed of a matrix of pixels in rows and columns. Each pixel is formed of respective red, green and blue solid state light emitting diodes that can form any color on that portion of a CIE curve that falls within a triangle whose sides are formed by a line on the CIE curve between 430 nm and 660 nm, a line between 660 nm and a point between 500 and 530 nm, and a line between the 500-530 nm point and 430 nm. | 09-25-2008 |
| 20080238838 | Digital color controller - A digital color controller for illumination of dashboards and instrument panels is provided. In one embodiment, a digital color controller comprises a single control mechanism for varying the color of illumination of RGB LEDs. A microcontroller maps the signal derived from the control mechanism to an array of discrete color values. A selected discrete color value is passed to an LED driver to drive the LEDs to display the selected color. | 10-02-2008 |
| 20080238839 | BACKLIGHT ASSEMBLY, DISPLAY DEVICE HAVING THE SAME AND METHOD OF DRIVING THE SAME - A backlight assembly includes a plurality of line light source sections and a light source driving section. The line light source sections include a plurality of point light sources disposed along a first direction, and are disposed along a second direction substantially perpendicular to the first direction. The light source driving section controls each of the line light source sections to individually drive the point light sources. The light source driving section controls the line light source sections so that at least one of the line light source sections is sequentially driven along the second direction. Thus, the point light sources are individually activated within a required area, and are sequentially activated by at least every one line along the second direction, so that power consumption for driving the backlight assembly may be decreased. | 10-02-2008 |
| 20080252575 | Photo-luminescent backlight support for power saving - Backlight support is provided for flat panel displays through use of phospho-luminescent materials. Photo-luminescent materials are integrated into a flat panel display such as an LCD display as a back panel substrate or by embedding in display pixels. When ambient light levels exceed a predetermined threshold the material is activated allowing a reduction in active backlight power. The active backlight may be provided by an electrically supported system such as an ELP, a light pipe, an LED, etc. By reducing the power of the active backlight in an analog manner or through decreasing the duty cycle, an overall power savings is accomplished for the display. By embedding different photo-luminescent materials that operate at different wavelengths, color display may be enhanced while reducing power consumption. Display properties, such as transparency, contrast, etc., may be adjusted to affect phospho-luminescent backlight support. | 10-16-2008 |
| 20080278422 | Field method of PWM for LED display, and LED display implementing the same - Systems and/or methods for displaying content on an LED display device comprising a plurality of LED modules are provided. A plurality of frames to be sequentially displayed on the LED display device across the plurality of LED modules may be defined based at least in part on the content to be displayed. A fieldcount corresponding to a number of scans appropriate for each said frame may be defined. For each said frame, the fieldcount for the frame may be initialized. The frame may be divided into a plurality of sequentially ordered rows and columns. For each said row, in sequence, a signal may be outputted to the LED display device in dependence on the frame, the fieldcount, the row, and the column. The fieldcount may be increased and the dividing step may be repeated until all scans of the frame have been completed. The content may be displayable substantially continuously and substantially free from flickers. | 11-13-2008 |
| 20080291140 | Display Systems Having Screens with Optical Fluorescent Materials - Fluorescent screens and display systems and devices based on such screens using at least one excitation optical beam to excite one or more fluorescent materials on a screen which emit light to form images. The fluorescent materials may include phosphor materials and non-phosphor materials such as quantum dots. A screen may include a multi-layer dichroic layer. | 11-27-2008 |
| 20090009442 | DISPLAY SYSTEM - A display system provides a display assembly having a display screen. LEDs are presorted into a plurality of groups, each group of LEDs having substantially the same color that is different than the color of another group. LEDs are selected from one of the groups. The selected LEDs are mounted in the display assembly to illuminate the display screen. A non-electronic color adjuster is mounted in the light path from the selected LEDs to shift the light color to a predetermined color. | 01-08-2009 |
| 20090009443 | Display Device - The present invention relates to a display device ( | 01-08-2009 |
| 20090040153 | METHOD FOR FAULT-HEALING IN A LIGHT EMITTING DIODE (LED) BASED DISPLAY - A method to be used in a light emitting diode (LED) display provides a fault-healing capability. The method is applicable to a display having pixels made up of LEDs of four or more primary colors. For each pixel, the method receives a signal specifying a light intensity and a color to be displayed and detects if a fault exists in an LED of one or more of the primary colors. When no fault is detected, the LEDs of the pixel are driven with currents to achieve the specified light intensity and color. Otherwise, the LEDs of the pixel are driven in the primary colors that are without fault, using a combination of currents to achieve the specified light intensity and color. The combination of currents is derived by finding a position of the specified color in a chromaticity diagram and, using that position, deriving the currents to drive the LEDs in the primary colors without fault. | 02-12-2009 |
| 20090040154 | METHOD FOR COMPUTING DRIVE CURRENTS FOR A PLURALITY OF LEDS IN A PIXEL OF A SIGNBOARD TO ACHIEVE A DESIRED COLOR AT A DESIRED LUMINOUS INTENSITY - A method computes drive currents for LEDs in a pixel of a signboard to achieve a desired color at a desired luminous intensity. This method is particular applicable to a signboard having pixels made up of four (4) or more primary colors. The method selects a number of colors within a color gamut, and for each selected color, the method computes drive currents for the LEDs of each basis color, such that the resulting luminous intensity of the selected color is maximum. Using the computed drive currents, the method then scales the drive currents to achieve the desired luminous intensity in the desired color. The drive currents may be computed, for example, using a constrained maximization technique, such as linear programming. In one embodiment, the drive currents for each selected color are computed subject to the constraint that none of the drive currents is negative, and that their total is less than a predetermined value. In one embodiment, the selected color is expressed in the units of a linear color space. | 02-12-2009 |
| 20090066617 | ACTIVE-MATRIX ORGANIC LIGHT EMITTING DIODE DISLAY - An embodiment of an active-matrix organic light emitting diode (OLED) display is disclosed. The display includes a pixel array including a plurality of pixels, wherein each pixel includes a light emitting device, a driving device and a selection device. The light emitting device includes a first organic light emitting diode, a second organic light emitting diode and a third organic light emitting diode, wherein the diodes are stacked formed in the pixel. The driving device is coupled to a voltage source and receives an enable signal and a display data to drive the light emitting device. The selection device selects and turns on a corresponding organic light emitting diode based on a control signal. | 03-12-2009 |
| 20090066618 | METHOD AND SYSTEM FOR CONTROLLING A DISPLAY DEVICE - The present invention discloses a method and system for controlling a display device is provided. The method for controlling a display device comprises steps of: S | 03-12-2009 |
| 20090085845 | METHOD AND APPARATUS FOR DRIVING LED DOT MATRIX - Provided are a method and apparatus for driving a Light Emitting Diode (LED) dot matrix. The apparatus includes a plurality of R, G and B LEDs, a clock multiplier generating R, G and B Pulse Width Modulation (PWM) clocks using an input system clock, and a column driver generating R, G and B PWM signals using input R, G and B data and the generated R, G and B PWM clocks and applying the R, G and B PWM signals to the R, G and B LEDs in order to drive the LED dot matrix. | 04-02-2009 |
| 20090091521 | Electro-optical device and electronic apparatus - To improve the unevenness of brightness. A plurality of pixel circuits is arranged in a pixel region A. Main power lines LR, LG, and LB are provided in the outside of the pixel region A. In addition, first sub-power lines Lr | 04-09-2009 |
| 20090102762 | Single-chip three color light modulator device - a projector or television set formed by an array of devices on a single chip, where the different devices form different color portions of a single image. For example, red, green and blue portions of the single image can be formed in different pixels on the chip. Each of the red green and blue portions are combined together to form the single image. The image may be a single field of a video sequence. Any video can be formed in this same way. In this way, the single chip can be logically divided where different portions of the same chip formed the different primary colors, which are combined together to form a single video or image. | 04-23-2009 |
| 20090109151 | LIGHT EMITTING DIODE PACKAGE - A light emitting diode (LED) package includes a first serial array of light emitting cells formed on a first substrate to emit light of a relatively short wavelength, and a second serial array of light emitting cells formed on a second substrate to emit light of a relatively long wavelength. The first and second serial arrays are connected to in reverse parallel. The LED package is capable of being operated under AC power and emitting white light with excellent color reproduction characteristics and luminous efficiency. | 04-30-2009 |
| 20090140960 | Communication Using Light-Emitting Device - Methods, systems, and apparatus, including computer program products, for communicating information. An event is detected. A light effect is emitted in response to the detected event. The emitted light effect simulates the detected event or a sensory output associated with the detected event. | 06-04-2009 |
| 20090207111 | FULL COLOR LIGHT EMITTING DIODE DISPLAY - A full color LED display includes a plurality of pixel units. Each of the pixel units includes a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit. The first sub-pixel unit includes a first LED chip for emitting first light of a first wavelength and a first phosphor layer associated with the first LED chip for converting the first light emitted from the first LED chip into second light of a second wavelength. The second sub-pixel unit includes a first LED chip and a second phosphor layer associated with the first LED chip, for converting the first light emitted from the first LED chip into third light of a third wavelength. The third sub-pixel unit includes a first LED chip for emitting the first light. | 08-20-2009 |
| 20090231248 | APPARATUS AND METHODS FOR CONFIGURING THE COLOR OF A MOBILE COMPUTING DEVICE COVER - Various embodiments for configuring the color of a mobile computing device cover are described. In one embodiment, a mobile computing device may comprise a cover including a light-emitting diode (LED) array comprising a plurality of light-emitting diodes (LEDs). The mobile computing device may include a processor comprising an application for receiving preferences from a user for illuminating the cover and an LED array control module to generate color control signals based on the preferences. The color control signals may control the amount of current and voltage supplied to individual LEDs of the LED array for achieving certain and relative intensities of light emitted by the LED array corresponding to a color selected from a plurality of available colors. Other embodiments are described and claimed. | 09-17-2009 |
| 20090231249 | ELECTRONIC DEVICE AND HOLDING DEVICE WITH VOLTAGE-REGULATION COLOR-CHANGING ELEMENT - An electronic device with at least one voltage-regulation color-changing element has a display section and a housing substantially surrounding the display section. The voltage-regulation color-changing element, which is provided on at least one of the display section and the housing and supplied with a voltage by a voltage source of the electronic device, is allowed to tune between different wavelength bands of reflected light to vary the color of at least part of the electronic device so as to provide specific visual effects. | 09-17-2009 |
| 20090278774 | CONTENT-ADAPTIVE ADJUSTMENT SYSTEM AND METHOD - A content-adaptive adjustment system and method for a light-emitting display is disclosed. An analysis unit analyzes, for example, the average data intensity/power consumption and the data distribution of the image data to be displayed. An adjustment unit then adjusts, for example, the pixel values of the image data or the drive levels of the light-emitting display according to the analyzed data distribution, such that the consumed power in the light-emitting display could be considerably reduced. | 11-12-2009 |
| 20100001933 | Display Device - A display including a plurality of discrete pixel means supported on cables and arranged to form a display of a size not possible with prior art. Advantageously the cables are also used to distribute power and data to the pixels. The pixel means may also include a processor and sensing means that enable the pixel means to operate with significant autonomy. | 01-07-2010 |
| 20100007588 | SYSTEM AND METHOD FOR LED DEGRADATION AND TEMPERATURE COMPENSATION - A display for generating changing or still images is shown and described. The display includes a plurality of display light emitting diodes (LEDs), each display LED generating light at an intensity related to current applied thereto. The display further includes a circuit which controls the current applied to each display LED to generate at least a portion of an image on the display, wherein the current is changed to change the portion of the image. The display yet further includes at least one reference LED coupled to the circuit, wherein the circuit applies a current to the reference LED dependent upon the current applied to at least one display LED, the circuit periodically applying a reference current to the reference LED. The display yet further includes a detector optically coupled to the reference LED to generate an intensity signal representative of the intensity of the reference LED when the reference current is applied thereto, the circuit monitoring the intensity signal to control the current applied to the display LEDs to compensate for changes in the relationship between the intensity of display LEDs and the current applied to the display LEDs. | 01-14-2010 |
| 20100007589 | METHOD OF DIMMING LIGHT SOURCES, LIGHT SOURCE APPARATUS FOR PERFORMING THE METHOD, AND DISPLAY APPARATUS HAVING THE LIGHT SOURCE APPARATUS - A light source panel according to an embodiment includes a plurality of light-emitting parts having a plurality of light-emitting substances to be divided into a predetermined number of partial areas. A light source driving part provides each of the light-emitting substances with a current. An adaptive dimming control part receives an image signal from an external device and sets the light-emitting parts into a first dimming block corresponding to a first color class of the first image signal or a second dimming block corresponding to a second color class of the first image signal to control the backlight assembly, in order to prevent color artifacts from being generated at a boundary area between the first dimming block and the second dimming block, the adaptive dimming control part controlling the backlight assembly, so that the first dimming block performs a second dimming operation. | 01-14-2010 |
| 20100013748 | CONVERTING THREE-COMPONENT TO FOUR-COMPONENT IMAGE - A method of converting a three-or-more-color-component image input signal to an image output signal includes acquiring an input signal having a plurality of pixel signals, each pixel signal having three, or more, color components; determining a residual difference for each color component of each pixel signal; determining a limit value of the residual differences; calculating a common scale factor for each of the color components based upon the limit value; and applying the common scale factor to the image input signal to produce the image output signal. | 01-21-2010 |
| 20100019997 | Calibrating pixel elements - A composite display is disclosed. In some embodiments, a composite display includes a paddle configured to sweep out an area, a plurality of pixel elements mounted on the paddle, and one or more optical sensors mounted on the paddle and configured to measure luminance values of the plurality of pixel elements. Selectively activating one or more of the plurality of pixel elements while the paddle sweeps the area causes at least a portion of an image to be rendered. | 01-28-2010 |
| 20100045579 | METHOD FOR ADJUSTING WHITE BALANCE IN A FIELD SEQUENTIAL DISPLAY AND DEVICE THEREOF - A method for adjusting white balance includes generating a first matrix according to values in axes of a color gamut corresponding to optical characteristics of a plurality of first LEDs; generating a second matrix according to values in the axes of the color gamut corresponding to optical characteristics of the plurality of first LEDs while in white balance; generating a third matrix according to values in the axes of the color gamut corresponding to optical characteristics of a plurality of second LEDs; storing the first matrix, second matrix, and third matrix; generating a calibration matrix by multiplying the second matrix with an inverse of the first matrix; generating a fourth matrix by multiplying the third matrix with the calibration matrix. As a result, the optical characteristics of the plurality of second LEDs can be effectively and rapidly adjusted simply referring to the differences between the second and fourth matrices. | 02-25-2010 |
| 20100060556 | Display Device and Light Adjusting Method Thereof - The invention provides a display device and a light adjusting method thereof capable of carrying out light adjustment effectively by the output control of a light source and, preferably, of effecting light adjustment according to color distribution of a displayed image. The display device of the invention that is capable of adjusting a displayed image by changing light flux can include a plurality of light sources having light emitting diodes, an image analyzing unit for outputting a light control signal for controlling the output of each of the light sources, based on an image signal of the displayed image, and a light control device for controlling the output of each of the light sources based on the light control signals. | 03-11-2010 |
| 20100090935 | METHOD AND SYSTEM FOR CONFIGURING HIGH CRI LED - A system and method for configuring LED BLU with high NTSC is provided in this invention by using algorithm to compute concentration of multiple phosphors. After the mixed with the LED, an LED BLU with high NTSC can be provided. | 04-15-2010 |
| 20100097304 | Motion Simulator, Display System, and Light-emissive Structures Typically Using Light-Emitting Diodes - A light-emissive module ( | 04-22-2010 |
| 20100182225 | SINGLE FULL-COLOR LED WITH DRIVING MECHANISM - A package structure of full-color LED (Light Emitting Diode) with driving mechanism includes an IC (Integrated Circuit) chip, a red LED dice, a green LED dice, a blue LED dice, and corresponding current limiting resistors. The IC chip has a driving mechanism to control the red LED dice, the green LED dice, and the blue LED dice. By the specific arrangement of these internal elements, the package structure generates full-color light with high resolution, compact structure and high mixing uniformity, and also achieves low cost and decreases usage of space. | 07-22-2010 |
| 20100188322 | COLOR DISPLAY UNIT - A color display unit is provided, which allows color display to be performed with high efficiency in utilizing light as compared with a prior type using all of RGB color filters. The color display unit includes a light source section having plural kinds of color LEDs, and includes a display section controlling transmissivity of light from the light source section in synchronization with light emission control by the light source section, to achieve desired color display. The display section has a full-color transmittable region and a partially transmittable region. The full-color transmittable region allows all color components of the light to be transmitted, while the partially transmittable region inhibits passage of one or more in the color components of the light. The display section controls the transmissivity of the light independently for each of the full-color transmittable region and the partial transmittable region. | 07-29-2010 |
| 20100201611 | LED DISPLAYS - Embodiments described herein provide LED displays. One embodiment of an LED display can comprise an array of white light units with each white light unit comprising a set of color light sources. The display can further include a controller electrically coupled to the white light units, the controller configured to control the white light units to alter the color of light produced by the white light units to produce images on the display. Another embodiment of a display can comprise an array of red light sources, green light sources and blue light sources configured to provide light to a color combiner in a desired half angle and a color combiner configured to combine light into a common plane for transmission to the projection optic. | 08-12-2010 |
| 20100207852 | DIVIDING PIXELS BETWEEN CHIPLETS IN DISPLAY DEVICE - A display device includes a substrate, a plurality of pixels formed over the substrate, each pixel including two or more sub-pixels, the plurality of pixels defining a display area, and a plurality of chiplets located over the substrate in the display area, each chiplet controlling sub-pixels of at least two adjacent pixels. | 08-19-2010 |
| 20100220042 | Quantum Photonic Imagers and Methods of Fabrication Thereof - Emissive quantum photonic imagers comprised of a spatial array of digitally addressable multicolor pixels. Each pixel is a vertical stack of multiple semiconductor laser diodes, each of which can generate laser light of a different color. Within each multicolor pixel, the light generated from the stack of diodes is emitted perpendicular to the plane of the imager device via a plurality of vertical waveguides that are coupled to the optical confinement regions of each of the multiple laser diodes comprising the imager device. Each of the laser diodes comprising a single pixel is individually addressable, enabling each pixel to simultaneously emit any combination of the colors associated with the laser diodes at any required on/off duty cycle for each color. Each individual multicolor pixel can simultaneously emit the required colors and brightness values by controlling the on/off duty cycles of their respective laser diodes. | 09-02-2010 |
| 20100238096 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display includes a pixel having a plurality of sub-pixels. Each of the plurality of sub-pixels includes a first sub-pixel having a first anode and a first organic emission layer, a second sub-pixel having a second anode and a second organic emission layer, and a third sub-pixel having a third anode and a third organic emission layer. The first, second, and third anodes satisfy the following condition: | 09-23-2010 |
| 20100315320 | LIGHT SOURCE DEVICE AND DISPLAY DEVICE - A light source device capable of suppressing generation of color unevenness, and a display device using the same are provided. The light source device | 12-16-2010 |
| 20110006973 | LED DISPLAY DEVICE - The present invention relates to the display field, and provides a LED display device. The LED display device comprises a data acquisition unit configured for acquiring image data; a data conversion unit configured for performing a data-conversion operation for the image data; and a LED display unit configured for displaying data converted by the data conversion unit. The LED display unit comprises a plurality of LED groups consisted of red LEDs, green LEDs, blue LEDs and white LEDs. The LED display device of the present invention employs the LEDs with four colors to compose a pixel, and employs the white LED to emit white light configured for replacing the white light formed by blending RGB light. Thus the LED display device reduces the power consumption and saves the energy. | 01-13-2011 |
| 20110102307 | SEALED PIXEL ASSEMBLIES, KITS AND METHODS - Discrete flexible pixel assemblies can be hermetically sealed from the environment and can comprise unitary, self-contained replaceable modules which enable efficient, economical production of large scale, free-form electronic displays, signs and lighting effects for outdoor use. The method and means for producing hermetically sealed discrete flexible pixel assemblies can include encapsulation means, exterior encasement means, and cable connector means. | 05-05-2011 |
| 20110134021 | METHOD AND APPARATUS FOR LED DRIVER COLOR-SEQUENTIAL SCAN - A light emitting diode (LED) driver for an LED backlight of a color-sequential liquid crystal display (LCD) and method for operation thereof includes a plurality of LED strings having one or more LEDs emitting light at wavelength corresponding to a predetermined color. A plurality of switches is respectively coupled to the plurality of LED strings. A current source is switchably coupled respectively and sequentially to each of the plurality of switches by control signals to open and close the switches in a pattern that illuminates the LED strings. The switches are opened and closed sequentially to permit a respective LED string to provide an output of the predetermined color for a specific period of time such that a total output of the plurality of LED strings provides an output having the desired overall color perceived through temporal integration of an output of each respective LED string. | 06-09-2011 |
| 20110163941 | LED PANEL - An LED panel system comprises a plurality of LEDs arranged into an LED array with rows and columns, each LED having an anode and a cathode, wherein the LEDs are of the same color or of different colors. The LED panel system has a plurality of common cathode nodes, each common cathode node connecting cathodes of the LEDs in a same row; a plurality of common anode nodes, each common anode node connecting anodes of the LEDs of a same color in a same column; and a plurality of power sources, each power source supplying electric power to at least one common anode node. | 07-07-2011 |
| 20110163942 | PIXEL INTERLEAVING CONFIGURATIONS FOR USE IN HIGH DEFINITION ELECTRONIC SIGN DISPLAYS - Pixel interleaving configurations for use in high definition electronic sign displays where each and every scan line includes full red, green, and blue color representation to provide for high resolution electronic video sign displays. | 07-07-2011 |
| 20110221662 | LARGE SCALE LED DISPLAY - A large scale LED display has a cable and rigid link support structure for a number of LED modules. The cable and rigid link support structure is flexible but has sufficient structural integrity to prevent misalignment of the pixel modules. The LED modules are removable from the support structure individually and as a group so as to facilitate repair of the display. The LED modules are rugged so as to withstand harsh outdoor conditions and they provide sufficient luminescence for use in sunlight. | 09-15-2011 |
| 20120119980 | PIXEL INTERLEAVING CONFIGURATIONS FOR USE IN HIGH DEFINITION ELECTRONIC SIGN DISPLAYS - Pixel interleaving configurations for use in high definition electronic sign displays where each and every scan line includes full red, green, and blue color representation to provide for high resolution electronic video sign displays. | 05-17-2012 |
| 20120223875 | MONOLITHIC FULL-COLOR LED MICRO-DISPLAY ON AN ACTIVE MATRIX PANEL MANUFACTURED USING FLIP-CHIP TECHNOLOGY - A high-resolution, Active Matrix (AM) programmed monolithic Light Emitting Diode (LED) micro-array is fabricated using flip-chip technology. The fabrication process includes fabrications of an LED micro-array and an AM panel, and combining the resulting LED micro-array and AM panel using the flip-chip technology. The LED micro-array is grown and fabricated on a sapphire substrate and the AM panel can be fabricated using PMOS process, NMOS process, or CMOS process. LED pixels in a same row share a common N-bus line that is connected to the ground of AM panel while p-electrodes of the LED pixels are electrically separated such that each p-electrode is independently connected to an output of drive circuits mounted on the AM panel. The LED micro-array is flip-chip bonded to the AM panel so that the AM panel controls the LED pixels individually and the LED pixels exhibit excellent emission uniformity. According to this constitution, incompatibility between the LED process and the PMOS/NMOS/CMOS process can be eliminated. | 09-06-2012 |
| 20130154910 | DISPLAY PANEL - A display panel has a pixel array arranged with a plurality of columns and a plurality of rows. The display panel includes a first pixel group and a second pixel group arranged in the first row and adjacent to each other. The first pixel group and the second pixel group respectively include a first color sub-pixel, a second color sub-pixel, a third color sub-pixel, and a transparent sub-pixel. The arrangement of the first color sub-pixel, the second color sub-pixel, the third color sub-pixel, and the transparent sub-pixel of the first pixel group and the arrangement of the first color sub-pixel, the second color sub-pixel, the third color sub-pixel, and the transparent sub-pixel of the second pixel group are symmetric in mirror. | 06-20-2013 |
| 20130300639 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - An organic light emitting display device including: red sub-pixels, each including a red organic light emitting diode and a driving transistor; green sub-pixels, each including a green organic light emitting diode and a driving transistor; and blue sub-pixels, each including a blue organic light emitting diode and a driving transistor, wherein the driving transistors of the red, green, and blue sub-pixels are configured to be initialized by a voltage applied to an anode electrode of the red, green, or blue organic light emitting diodes. | 11-14-2013 |
| 20130307760 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display includes a plurality of scan lines, a plurality of data lines crossing the scan lines, a plurality of sub pixels coupled to the scan lines and the data lines, and an auxiliary scan line coupling at least two of the scan lines coupled to respective ones of the sub pixels of a pixel. | 11-21-2013 |
| 20140078031 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - A method of driving an organic light emitting display includes dividing one frame into a plurality of subfields, setting a plurality of pixels to include first pixels positioned in odd horizontal lines and second pixels positioned in even horizontal lines, and setting pixels that realize low grayscales in an emission state in one of the plurality of subfields, such that the first pixels have emission states in different subfields than emission states of the second pixels, when the low grayscales are realized. | 03-20-2014 |
| 20140085170 | METHOD OF OPERATING AN ORGANIC LIGHT EMITTING DISPLAY DEVICE, AND ORGANIC LIGHT EMITTING DISPLAY DEVICE - A method of operating an organic light emitting display device including a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel, wherein a first gamma voltage for the red, green and blue sub-pixels and a second gamma voltage for the white pixel are adjusted such that a sum of maximum luminances of the red, green and blue sub-pixels is substantially equal to a luminance of a white color displayed by the organic light emitting display device. With respect to a white portion of input data, a ratio of first data of the red, green and blue sub-pixels to second data of the white sub-pixel is adjusted based on a first accumulated driving amount of the red, green and blue sub-pixels and a second accumulated driving amount of the white sub-pixel. | 03-27-2014 |
| 20140091993 | MONOLITHIC FULL-COLOR LED MICRO-DISPLAY ON AN ACTIVE MATRIX PANEL MANUFACTURED USING FLIP-CHIP TECHNOLOGY - A high-resolution, Active Matrix (AM) programmed monolithic Light Emitting Diode (LED) micro-array is fabricated using flip-chip technology. The fabrication process includes fabrications of an LED micro-array and an AM panel, and combining the resulting LED micro-array and AM panel using the flip-chip technology. The LED micro-array is grown and fabricated on a sapphire substrate and the AM panel can be fabricated using PMOS process, NMOS process, or CMOS process. LED pixels in a same row share a common N-bus line that is connected to the ground of AM panel while p-electrodes of the LED pixels are electrically separated such that each p-electrode is independently connected to an output of drive circuits mounted on the AM panel. The LED micro-array is flip-chip bonded to the AM panel so that the AM panel controls the LED pixels individually and the LED pixels exhibit excellent emission uniformity. According to this constitution, incompatibility between the LED process and the PMOS/NMOS/CMOS process can be eliminated. | 04-03-2014 |
| 20140111408 | LEDoS PROJECTION SYSTEM - Image projection utilizing light-emitting diodes on a silicon (LEDoS) substrate is described herein. LEDoS devices selectively activate LED pixels to produce light. Light can excite color conversion materials of the LEDoS devices to form color images. Images can be projected onto a projection surface. | 04-24-2014 |
| 20140300530 | DISPLAY APPARATUS - A display apparatus in which each pixel is made up of four sub-pixels in a 2×2 array and a display portion is formed by regularly arranging the pixels in a horizontal direction and a vertical direction is configured in such a manner that the four sub-pixels are formed of RGB three sub-pixels and remaining one sub-pixel that makes a dark area suppressing reflections, and that the pixels in odd-numbered rows or even-numbered rows in the display portion are moved by one sub-pixel in a horizontal direction or the pixels in odd-numbered columns or even-numbered columns are moved by one sub-pixel in a vertical direction so that the dark area may be disposed in a hound's tooth pattern. | 10-09-2014 |
| 20140313112 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display includes: a substrate; and a red subpixel, a green subpixel, a blue subpixel, and a white subpixel arranged in a matrix of rows and columns on the substrate, wherein three different-colored subpixels selected from the red subpixel, the green subpixel, the blue subpixel, and the white subpixel form one pixel in which the three different-colored subpixels are simultaneously driven. Four red subpixels in the matrix enclose two green subpixels, two white subpixels, and one blue subpixel. Accordingly, the organic light emitting diode (OLED) display has a RGBW structure, and improves the luminance by the two white subpixels. | 10-23-2014 |
| 20140361965 | OLED PANEL WITH PARTITION PLATE - An OLED panel includes a plurality of pixels. Each pixel includes a first sub-pixel, a second sub-pixel and a third sub-pixel spaced from each other by a plurality of baffle plates. The first sub-pixel of each pixel is located adjacent to that of a neighboring pixel. The first sub-pixel of each pixel is spaced from that of the neighboring pixel by a partition plate. The partition plate has a height less than a height of each baffle plate. | 12-11-2014 |
| 20150091787 | LIGHT EMITTING APPARATUS, LIGHT EMITTING UNIT, DISPLAY APPARATUS, ELECTRONIC DEVICE AND LIGHT EMITTING ELEMENT - There is provided a light emitting apparatus, including a plurality of light emitting elements having biased light properties; and a mounting substrate where the light emitting elements are arranged such that the biased light properties are complemented within a group including at least two light emitting elements among a plurality of the light emitting elements. Also, there are provided a light emitting unit, a display apparatus, an electronic device and a light emitting element using a plurality of point light sources. | 04-02-2015 |
| 20150302796 | LED Driving Circuit and Control System - A Light-Emitting Diode (LED) driving circuit and a control system includes: a driving control circuit and a constant current channel group circuit, wherein the driving control circuit includes: a logic control circuit and a clock delay circuit; the logic control circuit is connected with the constant current channel group circuit, and is configured to control the ordered switching-on or switching-off of the constant current channel group circuit by virtue of a data control signal; and the clock delay circuit is connected with the logic control circuit, configured to acquire a timing control signal synchronous with the data control signal and output the timing control signal and integrated in the LED driving circuit. | 10-22-2015 |
| 20150302797 | LED DISPLAY DEVICE AND LED CONTROL SYSTEM - An LED display device and an LED control system. The display device comprises: an LED display panel ( | 10-22-2015 |
| 20150379925 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a plurality of pixels, each of the plurality of pixels including: a first sub-pixel configured to emit light of a first color; a second sub-pixel configured to emit light of a second color that is different from the first color; a third sub-pixel configured to emit light of a third color that is different from the first and second colors; and a transmission sub-pixel configured to selectively transmit external light in response to an electrical signal. | 12-31-2015 |
