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Electroluminescent light source

Subclass of:

349 - Liquid crystal cells, elements and systems

349056000 - PARTICULAR STRUCTURE

349061000 - Particular illumination

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DocumentTitleDate
20100165255SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF - It is an object to provide a liquid crystal display device capable of displaying a moving image with high image quality by employing a time-division display system (also called a field-sequential system) with the use of a plurality of light-emitting diodes (hereinafter referred to as LEDs) as a backlight. Further, it is an object to provide a liquid crystal display device in which high image quality, full color display, or low power consumption is realized by adjustment of the peak luminance. After a liquid crystal layer is sealed between a pair of substrates, polymer stabilization treatment is performed with the use of UV irradiation from both above and below the pair of substrates at the same time, whereby the polymer included in the liquid crystal layer sandwiched between the pair of substrates is evenly distributed. Thus, a liquid crystal display device is manufactured.07-01-2010
20130083271BLUE PHASE LIQUID CRYSTAL DISPLAY DEVICE - A blue phase liquid crystal display device includes a backlight module and a blue phase liquid crystal display panel. The backlight module includes a plurality of light sources. The light sources generate a plurality of primary color lights with different bands. The blue phase liquid crystal display panel includes a blue phase liquid crystal layer. The blue phase liquid crystal layer includes a plurality of blue phase liquid crystal molecules and a plurality of chiral dopants. The blue phase liquid crystal layer has a reflection band. The reflection band is located between the bands of two adjacent primary color lights.04-04-2013
20080259252LIQUID CRYSTAL DISPLAY DEVICE - An illumination device using a plurality of LED light sources each of which is driven by a single power supply is provided to attain simple operational response and voltage control.10-23-2008
20080259251GREEN EMITTING PHOSPHOR, LIGHT EMITTING DEVICE INCLUDING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING LIGHT EMISSION DEVICE AS BACKLIGHT UNIT - A green emitting phosphor of the following composition: Sr10-23-2008
20100073603BENZOTRIAZOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having a benzotriazole ring structure and a phosphorescent compound.03-25-2010
20100073602INDOLE COMPOUND-CONTAINING COMPOSITION AND LIGHT-EMITTING DEVICE USING THE COMPOSITION - Disclosed is a composition containing a compound having an indole ring structure and a phosphorescent compound.03-25-2010
20130038819DRIVING CIRCUIT FOR LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE USING SAME, AND DISPLAY APPARATUS - LED terminals are respectively provided to light emitting units, and are each connected to the second terminal of the corresponding one of the light emitting units. Current sources are respectively provided to the LED terminals, and are respectively configured to supply adjustable driving currents to the respective light emitting units via the respective LED terminals. A reference voltage source generates a reference voltage that corresponds to the driving current. A control circuit controls a DC/DC converter such that the lowest voltage from among voltages at the LED terminals matches the reference voltage02-14-2013
20130038818DISPLAY DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A display device includes: a light source section that emits excitation light for each pixel; and a light emitting layer that includes a quantum dot and emits emission light for each of the pixels. The quantum dot generates, based on the excitation light, the emission light having a wavelength longer than a wavelength of the excitation light.02-14-2013
20130027636CLASS OF BRIDGED BIPHENYLENE POLYMERS - Luminescent polymers having doubly- or multiply-bridged biphenylene repeat units are provided, which are particularly suited as electroluminescent polymers. Monomers necessary for the synthesis of the multiply bridged biphenylene polymers are provided, as are electroluminescent devices utilizing these polymers.01-31-2013
20130027637LED SUBSTRATE, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY DEVICE - Provided is an LED substrate capable of being downsized in width. In addition, provided are LED substrates that can be disposed laterally in an efficient fashion. Each LED substrate (01-31-2013
20130027638LED BACKLIGHT AND LIQUID CRYSTAL DISPLAY DEVICE - An LED backlight in which deterioration in in-plane uniformity of brightness is prevented, whose thickness, frame width, and wire length are reduced, and in which wiring can be carried out easily, includes an LED provided on one surface of an LED substrate; the LED substrate is mounted on a chassis panel so that a surface of the LED substrate opposite to the one surface contacts the chassis panel; and the chassis panel has a connection hole provided in a portion of a region of the chassis panel in which region the LED substrate is mounted, which passes through the chassis panel.01-31-2013
20100328582PLANAR LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME - A planar light source device includes a lower substrate, a cathode electrode a carbon nanotube, an upper substrate, a fluorescent layer, and an anode electrode. The cathode electrode is on the lower substrate. The carbon nanotube is electrically connected to the cathode electrode. The upper substrate faces the lower substrate. The fluorescent layer and the anode electrode are formed on the upper substrate. Therefore, the planar light source device generates light without using mercury.12-30-2010
20100134723ELECTROLUMINESCENT DISPLAYS - An electroluminescent display comprising a mask (06-03-2010
20090303418COLOR FILTERS AND DISPLAY DEVICE HAVING COLOR FILTERS - A color filter may include a red pigment as a main component of a pigment, and at least one of a green pigment and a blue pigment as an additional pigment at 0.5-10 wt % among the entire pigment. The color filter may include a green pigment as a main component of a pigment, and at least one of a red pigment, a blue pigment, and a violet pigment at 0.5-10 wt % as an additional pigment among the entire pigment. The color filter may include a blue pigment as the main component of the pigment, and at least one of a red pigment and a green pigment as the additional pigment at 0.5-10 wt % among the entire pigment.12-10-2009
20120218496RED PHOSPHOR, METHOD FOR PRODUCING RED PHOSPHOR, WHITE LIGHT SOURCE, ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE - A red phosphor of high efficiency and a method for producing it are provided. A white light source and an illumination device that allow illumination with the pure white color using the red phosphor are also provided. In addition, a liquid crystal display device using the red phosphor and exhibiting good color reproducing performance is provided. The red phosphor contains an element A, europium (Eu), silicon (Si), carbon (C), oxygen (O) and nitrogen (N) in the ratios of the numbers of atoms of the following compositional formula (1):08-30-2012
20090091689DISPLAY DEVICE - In a display device, first and second substrates parallel to each other are arranged between first and second polarizers that are parallel to each other. A liquid crystal layer is arranged between the first and second substrates, and a light emitting layer having a quantum dot structure is arranged on the first polarizer. Also, a light source that emits a blue light is arranged under the second polarizer. Thus, the display device may improve a light utilizing efficiency, thereby improving a display quality.04-09-2009
20090237596BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A backlight unit includes; a light emitting diode including a light output part, a light guide plate having a light input part positioned substantially opposite to the light output part of the light emitting diode, a mold frame configured to receive and fix the light emitting diode and the light guide plate therein, and a projection part disposed on the mold frame in a position corresponding to the light emitting diode and the light input part of the light guide plate, wherein a distance between the projection part and the light input part of the light guide plate is shorter than a distance between one side of the light output part of the light emitting diode and a rear surface of the other side of the light emitting diode09-24-2009
20130162934LIQUID CRYSTAL DISPLAY DEVICE, AND COLOR REPRODUCTION METHOD THEREOF - This liquid crystal display device 06-27-2013
20090046221LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates, a liquid crystal layer provided between the pair of substrates, and a pair of alignment films provided on sides of the pair of substrates facing the liquid crystal layer. At least one of the alignment films is a photo-alignment film which is imparted with an orientation regulating force through a photo-alignment treatment, and the illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying.02-19-2009
20090009690LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS LIGHT SOURCE - A light emission device for improving high voltage stability and a display device using the same as a light source includes first and second substrates facing each other, an electron emission unit located on one side of the first substrate and including a plurality of electron emission elements, and a light emission unit located on one side of the second substrate and emitting a visible light. Each of the electron emission elements includes first electrodes spaced apart from each other by a predetermined interval along a first direction of the first substrate, second electrodes arranged between the first electrodes along the first direction, and first electron emission regions electrically connected to the first electrodes and formed at a predetermined height lower than that of the first electrodes.01-08-2009
20110043725LED LCD Backlight with Lens Structure - In described embodiments, a thin film transistor (TFT) liquid crystal display (LCD) structure incorporates a white light emitting diode (LED) structure for backlighting. White LEDs are formed behind each TFT cell, allowing for display “black” as a function of a nematic layer, on the TFT substrate, while increasing intensity of the LED LCD backlight structure. A lens structure might be formed between the LEDs and the TFT substrate to reduce a number of LED sources for a given backlight intensity.02-24-2011
20120293748LIQUID CRYSTAL DISPLAY AND METHOD OF MANUFACTURING THE SAME - Disclosed is a liquid crystal display which includes a first display panel including a plurality of pixel electrodes, a second display panel facing the first display panel, and a liquid crystal layer interposed between the first display panel and the second display panel, and a method of manufacturing the liquid crystal display panel. The second display panel includes a light emitting element displaying a color, an insulating layer disposed on the light emitting element and including a rubbed surface, a polarization layer disposed on the insulating layer and opposite to the light emitting element with respect to the insulating layer, and a common electrode disposed on the polarization layer and facing the pixel electrode.11-22-2012
20110279754BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS HAVING THE SAME - In a backlight assembly, a light emitting module is divided into a plurality of light generating blocks each sequentially outputting a plurality of primary colors of light having different wavelengths. The light emitting module includes first and second base substrates, and a plurality of electroluminescent units disposed between the first and second base substrates and arranged in each of the light generating blocks. The light emitting module includes a barrier arranged corresponding to a boundary between two adjacent light generating blocks between the first and second base substrates to prevent the primary colors of light from traveling an adjacent light generating block. Thus, a mixture of colored light from the light generating blocks is prevented, thereby improving color reproducibility of the display apparatus.11-17-2011
20090310066LED tile Luminance control circuitry and display containing the same - Exemplary embodiments include a backlight assembly for a display wherein the backlight assembly is comprised of a plurality of tiles. Each tile has a plurality of lights attached to it, such that when a single light or group of lights fail, the tile may be replaced without having to replace the entire backlight assembly. The current draw and/or illumination of each tile is calibrated and maintained throughout the life of the display to ensure a uniform distribution of light across the backlight assembly.12-17-2009
20130215364DISPLAYS - In one embodiment of the invention, a display is provided. The display includes a light-emitting system including a plurality of light-emitting units, wherein each light-emitting unit emits light independently, a lens array including a plurality of lenses disposed on the light-emitting system, and a first liquid crystal display cell including a plurality of pixels disposed on the lens array, wherein the number of the light-emitting units of the light-emitting system is larger than that of the pixels of the first liquid crystal display cell.08-22-2013
20090002603Blue Emitting Alkaline Earth Chlorophosphate Phosphor for Cold Cathode Fluorescent Lamp, and Cold Cathode Fluorescent Lamp and Color Liquid Crystal Display Using Same - This invention provides an alkaline earth chlorophosphate phosphor for a blue light emitting cold cathode fluorescent lamp, represented by (Sr01-01-2009
20090046222Electroluminescent Films for Backlighting Liquid Crystal Displays - The present invention replaces the conventional cold cathode fluorescent tubes used in backlighting units of liquid crystal displays with an integrated electro-luminescent film structure, subdivided into electrically isolated micro-panels. Ideally, the electro-luminescent structure comprises separate red, green and blue micro-panels providing full color capabilities. Alternatively, the electro-luminescent film structure includes stacked groups of layers, in which each group emits a different color and is independently controllable.02-19-2009
20080266490LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY APPARATUS - A lighting apparatus with a plurality of light emitting panels (for example, organic EL panels) arranged in a plane to form a light emitting panel layer (organic EL panel arrangement) and a plurality of such light emitting panel layers (light emitting panel layers) are laminated to form a light emitting panel lamination section. Organic EL panels of the single-sided light emitting type and organic EL panels of the double-sided light emitting type can be individually juxtaposed in a plane to form the organic EL panel arrangements which are laminated in a displaced relationship from each other.10-30-2008
20110187969POLYMERIC LIGHT EMITTING SUBSTANCE AND POLYMER LIGHT EMITTING DEVICE USING THE SAME - A polymeric light emitting substance having a polystyrene reduced number-average molecular weight of from 1008-04-2011
20090207346Aromatic polymer - Disclosed is an aromatic polymer containing one or more repeating units represented by the following formula (1). (In the formula, Ar08-20-2009
20080303981Electroluminescent Displays - An electroluminescent display of the type having a switchable electroluminescent (EL) material backlight (12-11-2008
20110205465PLANAR LIGHT SOURCE, DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME - Light-emitting elements are divided into chromaticity groups on the basis of their chromaticity. In a planar light source, light-emitting elements selected from two of the chromaticity groups are alternately provided in a longitudinal direction and in a transverse direction, respectively. The two chromaticity groups are substantially equally away from a target chromaticity in directions reverse to each other. Further, pairs of two of the light-emitting elements belonging to the two chromaticity groups which are separated from each other, are provided so that distances d08-25-2011
20090015758POLARIZED LIGHT-EMITTING DEVICE - Polarized light-emitting device with a light source, multiple layers of first optical thin films and second optical thin films alternately stacked is disclosed. Each first optical thin film has a number of first geometric units, and each second optical thin film has a number of second geometric units. The first geometric units and the second geometric units are arranged as a secondary periodic structure on the light-emitting surface of the light source. The polarized light-emitting device is able to provide polarized light with higher brightness and polarized light of a specified polarization characteristic.01-15-2009
20120293749POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME - A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2),11-22-2012
20100060821LIGHT OUTPUT DEVICE AND CONTROL METHOD - The present invention relates to a light output device (03-11-2010
20100128202PIXEL STRUCTURE - A pixel structure includes a red sub-pixel, a green sub-pixel, a blue sub-pixel and a white sub-pixel. The red sub-pixel, the green sub-pixel and the blue sub-pixel are suitable for providing a first white light, and a chroma coordinate of the first white light is (x05-27-2010
20090167991DISPLAY DEVICE WITH ILLUMINATION LIGHT SOURCE - A display device includes a lower substrate, comprising reflective display pixel electrodes, an upper substrate and a liquid crystal layer provided between the substrates. A light source is provided on the upper substrate for illuminating the display electrodes through the liquid crystal layer. This arrangement provides a top light as an integrated structure within the liquid crystal display structure. The illumination can be efficiently provided to the pixel electrodes. This means that a light source pattern used can provide small light source areas.07-02-2009
20080303982Double-sided organic light emitting display and driving method thereof - A method of driving a double-sided light emitting display may include driving a panel to emit light toward a first surface and a second surface thereof, the panel including a first light controlling panel on the first surface thereof, a second light controlling panel on the second surface thereof, and pixels formed therein, and controlling transmission of light through each of the first light controlling panel and the second light controlling panel.12-11-2008
20080303983DISPLAY DEVICE - The invention is directed to a higher contrast in a display device having a lighting device as a front light. A lighting portion is attached to a reflective liquid crystal display portion. A first transparent substrate and a second transparent substrate made of a glass substrate etc. are attached to each other with a sealing layer coated on those peripheral portions therebetween. The back surface of the first transparent substrate is attached to the reflective liquid crystal display portion, and an organic EL element is formed on the front surface of the first transparent substrate. The organic EL element is sealed in a space surrounded by the first transparent substrate, the second transparent substrate, and the sealing layer. The organic EL element is formed in a region corresponding to a pixel region of the reflective liquid crystal display portion. A desiccant layer is formed on the front surface of the second transparent substrate.12-11-2008
20080309850DISPLAY DEVICE - The invention is directed to a higher contrast in a display device having a lighting device as a front light. A lighting portion is attached to a reflective liquid crystal display portion. A first transparent substrate and a second transparent substrate made of a glass substrate etc. are attached to each other with a sealing layer coated on those peripheral portions therebetween. The back surface of the first transparent substrate is attached to the reflective liquid crystal display portion, and an organic EL element is formed on the front surface of the first transparent substrate. The organic EL element is sealed in a space surrounded by the first transparent substrate, the second transparent substrate, and the sealing layer. The organic EL element is formed in a region corresponding to a pixel region of the reflective liquid crystal display portion. A desiccant layer is formed on the front surface of the second transparent substrate.12-18-2008
20080211993LED BACKLIGHT DEVICE AND LCD DEVICE - An LED backlight device includes a substrate having an optical transparency and an LED thin-film layered structure fixed to a first surface of the substrate. The LED thin-film layered structure is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode and a cathode electrode are formed on the LED thin-film layered structure. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film layered structure. A wiring structure electrically connects the anode driver IC and the anode electrode of the LED thin-film layered structure and electrically connects the cathode driver IC and the cathode electrode of the LED thin-film layered structure. A phosphor is formed on the second surface of the substrate opposite to the first surface.09-04-2008
20090310065REMOVABLE TILES FOR ELECTRONIC DISPLAY BACKLIGHTS - Exemplary embodiments include a backlight assembly for an electronic display wherein said backlight assembly is comprised of a plurality of tiles. Each tile has a plurality of lights attached to it, such that when a single light or group of lights fail, the tile may be replaced without having to replace the entire backlight assembly. The lights in the assembly may be any one of the following: light emitting diodes (LED), organic light emitting diodes (OLED), field emitting display (FED), light emitting polymer (LEP), and organic electro-luminescence (OEL). Embodiments also allow tiles to be removed from the rear of the display and dissipate heat from the lights to the rear of the backlight assembly.12-17-2009
20100141872FLEXIBLE LIQUID CRYSTAL DISPLAY DEVICE - A flexible liquid crystal display device includes a first flexible substrate having a display region and a non-display region at a periphery of the display region; an organic electroluminescent diode including a first electrode on the first flexible substrate, an organic emitting layer on the first electrode and a second electrode on the organic emitting layer, wherein each of the first electrode, the organic emitting layer and the second electrode covering an entire surface of the display region; a buffer layer on the organic electroluminescent diode; a gate line on the buffer layer; a data line over the buffer layer and crossing the gate line to define a pixel region at the display region; a thin film transistor connected to the gate and data lines; a pixel electrode connected to the thin film transistor; a second flexible substrate facing the first flexible substrate; a common electrode on the second flexible substrate; and a liquid crystal layer between the pixel and common electrodes.06-10-2010
20090161041LIGHT SOURCE DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE - A light source device includes a plurality of juxtaposed discharge tubes, each of which includes an internal electrode at least at one end, is made of transmissive material, has a phosphor layer formed at the inner side of the discharge tube, and is filled with a discharge gas containing xenon, an external electrode which is conductive and flat-shaped, is spaced from the plurality of discharge tubes by a specific distance, and is connected electrically to the grounding potential, and a conductive member electrically configured to connect the outer surface of all of the plurality of discharge tubes to the external electrode.06-25-2009
20130120690LED LIGHTING DEVICE AND CABLE CONNECTION DETECTION DEVICE - To reliably detecting cable connection errors such as a reverse insertion or an oblique insertion of a cable, an LED board and an LED driver circuit board are connected by an FFC, a voltage dividing resistor is mounted on the LED board. A connection detection section is connected to one end of the voltage dividing resistor via a first transmission line of the FFC, connected to another end of the voltage dividing resistor via a transmission line of the FFC, and connected to the dividing point of the voltage dividing resistor via a third transmission line of the FFC. At least the third transmission line is configured not to pass through a center of the FFC, or the resistance values of the resistor and the resistor are different. A connection state of the FFC based on a voltage of the dividing point is detected via the third transmission line.05-16-2013
20130120691BETA-SIALON, AND LIGHT EMITTING DEVICE AND APPLICATIONS THEREOF - An object of the present invention is to provide a phosphor that is combined with a blue LED to achieve white light at a low color temperature as if singly, has a broad fluorescence spectrum for excellent color rendering properties, has a high luminous efficiency, is thermally and chemically stable like conventional nitride-based phosphors, and has a small decrease in luminance at high temperatures. Another object of the present invention is to provide a light emitting device using such a phosphor. The present invention relates to a β-sialon that is expressed by the general formula, Si05-16-2013
20120069274LIQUID CRYSTAL DISPLAY - A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. A spectrum of the backlight unit has relative maximum brightness peaks at wavelength between 460 nm to 480 nm, between 505 nm to 525 nm, and between 610 nm to 630 nm. The liquid crystal display panel is disposed above the backlight unit. The liquid crystal display panel has a red color filter layer (R03-22-2012
20090015759LIGHT EMISSION CONTROL CIRCUIT, LIGHT EMISSION CONTROL METHOD, FLAT ILLUMINATING DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE SAME DEVICE - There is provided a light emission control circuit being capable of simplifying a power source circuit reducing costs and power consumption. A constant current circuit is serially connected to a specified light emitting device group out of a plurality of light emitting device groups and a power source circuit supplies power to each light emitting device group and a current detecting unit detects a current flowing through a specified light emitting device group and a power control unit controls a power source circuit based on a pre-set current value and on a detected value.01-15-2009
20090015757LIGHT EXTRACTION FILM FOR ORGANIC LIGHT EMITTING DIODE LIGHTING DEVICES - A multifunctional optical film for enhancing light extraction includes a flexible substrate, a structured layer, and a backfill layer. The structured layer effectively uses microreplicated diffractive or scattering nanostructures located near enough to the light generation region to enable extraction of an evanescent wave from an organic light emitting diode (OLED) device. The backfill layer has a material having an index of refraction different from the index of refraction of the structured layer. The backfill layer also provides a planarizing layer over the structured layer in order to conform the light extraction film to a layer of an OLED lighting device such as solid state lighting devices or backlight units. The film may have additional layers added to or incorporated within it to an emissive surface in order to effect additional functionalities beyond improvement of light extraction efficiency.01-15-2009
20090251640LIQUID CRYSTAL DISPLAY - A liquid crystal display (LCD) including a backlight module and an LCD panel is provided. The backlight module has at least one white light source. A light-emitting spectrum of the backlight module has a relative maximum brightness peak value between wavelengths of 430 nm and 470 nm and between wavelengths of 520 nm and 620 nm respectively. The LCD panel disposed above the backlight module includes a plurality of substrates and a liquid crystal layer located there-between. One of the substrates has a red filter layer, a green filter layer, and a blue filter layer. Specially, Rx and Ry respectively represent an x coordinate and a y coordinate of the red filter layer in a CIE 1931 chromaticity diagram under a CIE standard light source C, where Rx≧0.65 and Ry≦0.32.10-08-2009
20090251639LIQUID CRYSTAL DISPLAY - An LCD includes a backlight module and an LCD panel. The optical spectrum of the backlight module has a maximum luminance peak less than the wavelength of 470 nm and a maximum luminance peak between the wavelengths of 520 nm and 600 nm. The LCD panel is disposed over the backlight module and has a red filter layer, a green filter layer and a blue filter layer. The green filter layer is subject to the following condition: under illumination of a CIE 1931 standard light source C, the x coordinate and the y coordinate of the green filter layer on a CE 1931 chromaticity coordinate diagram are represented by G10-08-2009
20100177264LIGHT-EMITTING MATERIAL CONTAINING METAL COMPLEX AND PHOTOELECTRIC DEVICE USING SAME - Disclosed is a material having charge-transporting properties, which contains a neutral metal complex having a partial structure represented by the general formula (1) below and at least two multidentate ligands, or such a metal complex structure. (In the formula, M represents a transition metal or a lanthanoid; Ar1 and Ar2 independently represent an optionally substituted divalent aromatic ring; and X07-15-2010
20100157202CONJUGATED POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE USING THE SAME - A polymer compound which is useful as a light emitting material and a charge transporting material and excellent in electron injection property, comprising as a partial structure therein a structure of the following formula (a) is provided:06-24-2010
20100177265ORGANIC LIGHT EMITTING DIODE DISPLAY WITH A MIRROR FUNCTION - The present disclosure relates to an organic light emitting diode (OLED) display having a mirror function to reflect external light for when the OLED display does not emit light. The organic light emitting diode display includes a substrate member, an organic light emitting element formed on the substrate member, a phase retardation plate formed on the organic light emitting element, and a selective reflective layer formed on the phase retardation plate. The selective reflective layer selectively passes some light from outside and reflects the rest.07-15-2010
20100188613COLOR CONVERTING MEMBER, METHOD OF MANUFACTURING THE SAME, LIGHT EMITTING DEVICE, AND DISPLAY DEVICE - A color converting member is capable of suppressing deterioration in a phosphor by a simple manufacturing process. A method of manufacturing a color converting member includes a process of molding a resin material into a shape. In the process, molding the resin material and the phosphor integrally into a shape is performed, after kneading a phosphor that converts one color light to another color light into the resin material.07-29-2010
20080211992Diode substrate of LCD - A liquid crystal display (LCD) has a novel diode substrate. With the substrate, heat is well dissipated. The substrate can be easily manufactured. And, thus, the cost for the LCD is reduced.09-04-2008
20120194764LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device (08-02-2012
20080231776Backlight assembly and liquid crystal display having the same - A backlight assembly is disclosed. The assembly includes a first substrate, a second substrate disposed adjacent to the first substrate and electrically connected to the first substrate, one or more light sources respectively disposed on the first and second substrates, a power-supply unit that is electrically connected to the first substrate and applies drive voltage to the light sources, and a bottom receiving container on the first substrate and the second substrate, in which the drive voltage is applied the first substrate, and is transmitted to the electrically connected second substrate through the first substrate.09-25-2008
20090073350LED backlight device and LCD device - An LED backlight device includes a first substrate having optical transparency and having first and second surfaces. An LED thin-film layered structure is fixed to the first surface of the first substrate, and is formed of epitaxially grown inorganic material layers as a P-N junction device. An anode electrode of the LED thin-film layered structure is connected to an anode driver IC via an anode wiring. A cathode electrode of the LED thin-film layered structure is connected to a cathode driver IC via a cathode wiring. A phosphor is provided on the second surface of the first substrate. The LED backlight device further includes a second substrate having optical transparency and having first and second surfaces. The first surface of the second substrate faces the first surface of the first substrate. A reflection layer is provided on the second surface of the second substrate.03-19-2009
20090066881LIGHT EMISSION DEVICE AND DISPLAY DEVICE USING THE LIGHT EMISSION DEVICE AS LIGHT SOURCE - A light emission device includes a vacuum chamber including a first substrate, a second substrate spaced from and facing the first substrate, and a sealing member between the first substrate and the second substrate. An electron emission unit is on the first substrate, the electron emission unit including a plurality of electron emission elements. A light emission unit is on the second substrate, the light emission unit including a phosphor layer. A barrier is spaced from the sealing member between the first substrate and the second substrate. At least one stud pin is fixed on at least one of the sealing member and the barrier and a getter unit is attached to the at least one stud pin, the getter unit fixed between the sealing member and the barrier.03-12-2009
20110043726Display with split electrode between two substrates - A light shutter and an EL panel are sandwiched between two substrates, one of which includes a common front electrode. The common front electrode is electrically floating. Patterned rear electrodes, on either side of the EL panel, are capacitively coupled to each other by the common front electrode. The rear electrodes can be segmented and the segments addressed individually. Each substrate is coated with a layer of PDLC and the substrates are laminated by joining the layers of PDLC.02-24-2011
20100171905TRANSFLECTIVE DISPLAY PANEL - A transflective display panel includes a first substrate, a plurality of electroluminescent (EL) elements disposed on the first substrate, a plurality of reflectors disposed on the first substrate, a second substrate disposed opposite to the first substrate, a plurality of transparent electrodes disposed on a side of the second substrate opposite to the first substrate, a plurality of color filter layers disposed on a side of the second substrate opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. Accordingly, a problem of insufficient contrast ratio of the transflective display panel can be solved, when the ambient light is too high.07-08-2010
20110090429LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates, a liquid crystal layer provided between the pair of substrates, and a pair of alignment films provided on sides of the pair of substrates facing the liquid crystal layer. At least one of the alignment films is a photo-alignment film which is imparted with an orientation regulating force through a photo-alignment treatment, and the illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying.04-21-2011
20100053506LIQUID CRYSTAL DISPLAY USING THE SAME - An LED back-light unit and other devices using the LED back-light unit are discussed. According to one embodiment, an LED back-light unit includes a light guide portion that includes a light guide plate and a reflection plate coupled to the light guide plate, wherein the light guide plate has a light input part and a first connection part, and wherein the reflection plate has a second connection part connected to the first connection part, and a light source including at least one light emitting diode, the light source emitting light toward the light guide portion.03-04-2010
20110176090DISPLAY DEVICE AND FABRICATION METHOD THEREOF - A display device and its fabrication method are disclosed. According to one aspect, the method for fabricating a display device includes forming a first element unit including a first reflector layer, a light emitting part and a common electrode on a lower substrate, and forming a second element unit including a floating electrode, a photocurrent layer and a signal electrode on the first element unit. A third element unit is formed on the lower substrate. The third element unit includes a second reflector layer connected with the floating electrode and also a second light emitting part and a second floating electrode disposed on the second reflector layer.07-21-2011
20110075072LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a liquid crystal panel; a plurality of light emitting diode units to supply light to the liquid crystal panel; and a scan line and a light emission data line connected to the LED unit, wherein the scan line and the light emission data line transfer a scan signal and a light emission data current, respectively, wherein the LED unit includes: a switching circuit that is connected to the scan line and the light emission data line; a current mirror circuit that is connected to the switching circuit, and that outputs a light emission current in response to the light emission data current; and an LED that emits the light in response to the light emission current.03-31-2011
20100097543Liquid Crystal Display Structure - A liquid crystal display structure is provided. The liquid crystal display structure includes a liquid crystal panel and a backlight module. The liquid crystal panel has a liquid crystal layer including photo-polymerizable monomers. The backlight module has a light emitting unit for emitting an output light. A difference between the smallest value of the spectrum interval of the output light and the largest value of the absorption spectrum interval of the photo-polymerizable monomer in the liquid crystal layer is larger than or equal to 40 nm.04-22-2010
20090273737Electroluminescent Displays - An electroluminescent display of the type having a switchable electroluminescent (EL) material backlight mounted behind a mask defining the information to be displayed. The mask is constructed as a layer of physically-stabilised Liquid Crystal (LC) material switchable to define the information to be displayed. The LC mask and the EL backlight are constructed as a single entity11-05-2009
20080246902LCD PANEL - A LCD panel is provided. The LCD panel includes a front substrate, a plurality of first phosphor composites, a plurality of second phosphor composites, a black matrix, a transparent electrode, a TFT array substrate and a liquid crystal layer. The liquid crystal layer is sandwiched between the front substrate and the TFT array substrate. The first phosphor composites, the second phosphor composites, the black matrix and the transparent electrode are disposed on the front substrate. The black matrix divides the front substrate into three windows including first windows, second windows and third windows periodically, wherein the first phosphor composites are disposed on the first windows, and the second phosphor composites are disposed on the second windows. The first phosphor composites and the second phosphor composites are capable of converting the primary light shinning towards the LCD panel into different colors respectively.10-09-2008
20120200808Polymer compound and polymer light emitting device - To provide a polymer compound which is useful as a light emitting material or charge transport material having a boron atom.08-09-2012
20080291366ELECTRON EMITTER APPARATUS, A FABRICATION PROCESS FOR THE SAME AND A DEVICE UTILISING THE SAME - A field effect electron emitting apparatus is prepared by depositing a plurality of nano-wires 11-27-2008
20100066947HIGH OUTPUT LED BASED ILLUMINATOR THAT REPLACES CCFLS FOR LCD BACKLIGHTS - A LCD illuminator (03-18-2010
20100195024Backlight assembly for liquid crystal display device - A backlight assembly for a liquid crystal display device including an LED backlight unit including a plurality of light emitting diode strings coupled to a plurality of current balancing circuits, a backlight driver including a light emitting diode driver that supplies current to the light emitting diode strings, and a connector electrically connecting the plurality of current balancing circuits to the light emitting diode driver.08-05-2010
20090161040POLARIZED LIGHT EMITTING DIODE AND USE THEREOF - Provided is a light emitting diode (LED). The LED, in one embodiment, includes a reflective layer located over a substrate and a quarter wave plate emitter layer located over the reflective layer. The quarter wave plate emitter layer, in this embodiment, is substantially crystalline in nature, and further wherein an extra-ordinary axis of the quarter wave plate emitter layer is located in a plane thereof. The LED, in this embodiment, further includes a transmissive/reflective polarization layer located over the quarter wave plate emitter layer, wherein a transmission direction of the transmissive/reflective polarization layer is oriented at about 45 degrees with respect to the extra-ordinary axis.06-25-2009
20120307182VISUAL DISPLAY UNIT ILLUMINATION - A method of adapting a visual unit having a first screen (12-06-2012
20120038851LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE USING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates, a liquid crystal layer provided between the pair of substrates, and a pair of alignment films provided on sides of the pair of substrates facing the liquid crystal layer. At least one of the alignment films is a photo-alignment film which is imparted with an orientation regulating force through a photo-alignment treatment, and the illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying.02-16-2012
20120008068POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME - A polymer compound comprising a repeating unit of below formula (1) or (2), and having a polystyrene reduced number average molecular weight of 1001-12-2012
20120057103BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY APPARATUS - The present invention discloses a backlight module and a liquid crystal display apparatus. The backlight module is employed in a liquid crystal display apparatus having a back plate and a plurality of LEDs. The liquid crystal display apparatus has a display area in accordance with the back plate and overlaps therewith, and the display area has a display area center line. The display area center line has a center corresponding to the LEDs. The LEDs are classified to belong to several positive voltage bins respectively. The LEDs belonging to a lower positive voltage bin are positioned closer to the center and the LEDs belonging to a higher positive voltage bin are positioned farther to the center.03-08-2012
20120206672LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC DEVICE HAVING THE SAME - A liquid crystal display device includes an illuminator and a liquid crystal panel for performing displaying by using light which is emitted from the illuminator. The liquid crystal panel includes a pair of substrates and a liquid crystal layer provided therebetween. The liquid crystal layer is formed of a liquid crystal material which contains molecules having at least one of a carbon-carbon triple bond and a polycyclic group. The illuminator includes a light source causing primary generation of at least blue light, among other light which is used for displaying.08-16-2012
20120206671WHITE LED, BACKLIGHT USING THE SAME, AND LIQUID CRYSTAL DISPLAY DEVICE - Certain embodiments provide a white LED for a backlight of a liquid crystal display device, which comprises an ultraviolet (or violet) light emitting element and a phosphor layer that contains a green phosphor selected from trivalent cerium- and terbium-activated rare earth borate phosphors, a blue phosphor selected from divalent europium-activated halophosphate phosphors and divalent europium-activated aluminate phosphors, and a red phosphor selected from europium-activated lanthanum oxysulfide phosphors and europium-activated yttrium oxysulfide phosphors as the contained amounts of the respective phosphors relative to the total amount of the phosphors as follows: 35-50% by weight of the green phosphor content; 50-70% by weight of the blue phosphor content; and 1-10% by weight of the red phosphor content.08-16-2012
20120026432SYSTEM AND METHOD FOR MAINTAINING A CONSISTENT TEMPERATURE GRADIENT ACROSS AN ELECTRONIC DISPLAY - An electronic display which can be mounted above a paved surface in an outdoor environment. A surface or plate is placed behind the electronic display to define a gap where cooling air can be drawn through said gap in order to cool the electronic display. A plurality of ribs may be placed within the gap and in thermal communication with the electronic display. The density of the ribs may be varied according to the inlet and exhaust openings for the cooling air. The ribs may be placed at a higher density near the exhaust to account for the increase in temperature of the cooling air as it travels through the gap.02-02-2012
20120206673SURFACE LIGHT-EMITTING UNIT AND DISPLAY DEVICE PROVIDED WITH THE SAME - A surface light-emitting unit of the present invention is an LED module (08-16-2012
20120062821WHITE LED, BACKLIGHT USING SAME, AND LIQUID CRYSTAL DISPLAY DEVICE CONFORMING TO EBU STANDARD - In a embodiment, a white LED for a backlight of a liquid crystal display device conforming to the EBU standard includes an ultraviolet (purple) light-emitting element, and a phosphor layer which contains 1 to 10 wt % of a green phosphor including a divalent europium-activated silicate phosphor, 40 to 80 wt % of a blue phosphor including at least one selected from a divalent europium-activated halo-phosphate phosphor and a divalent europium-activated aluminate phosphor, and 10 to 50 wt % of a red phosphor including at least one selected from a europium-activated lanthanum oxysulfide phosphor and a europium-activated yttrium oxysulfide phosphor.03-15-2012
20090135338LIQUID CRYSTAL DISPLAY - An liquid crystal display including a backlight module and an LCD panel is disclosed. The backlight module has a white light source, and the normalized optical spectrum of the backlight module is BL(λ) The LCD panel includes a red color filter layer, a green color filter layer and a blue color filter layer. The green color filter layer and the backlight module are subject to the following relationship: E=C/D and E≧0.8, wherein A is defined as the wavelength corresponding to the maximum peak value of CF05-28-2009
20120249928LIQUID CRYSTAL DISPLAY DEVICE - To provide a liquid crystal display device having a high CR and a rapid response.10-04-2012
20090059131LAMP AND LIQUID CRYSTAL DISLAY INCLUDING THE SAME - Disclosed is a lamp and a liquid crystal display device having the same. The lamp includes a discharge tube having an inner wall coated with a phosphor; a first electrode containing a first metallic material having a first sputtering rate provided at one end of the discharge tube; and a second electrode containing a second metallic material having a second sputtering rate provided at the other end of the discharge tube, wherein the first sputtering rate is larger than the second sputtering rate.03-05-2009
20120188487DRIVE CIRCUIT FOR LIGHT-EMITTING DIODE, AND LIGHT-EMITTING DEVICE AND ELECTRONIC DEVICE USING THE SAME - A current drive circuit capable of reducing the influence of temperature variation or individual deviation is provided. An output transistor is a PNP bipolar transistor, and has an emitter connected to a cathode of an LED string. A current control resistor is disposed between a collector of the output transistor and a ground terminal. An output terminal of an error amplifier is connected to a base of the output transistor, a first input terminal of the error amplifier is connected to a connection point of the output transistor and the current control resistor, and a reference voltage is applied to a second input terminal of the error amplifier. The error amplifier enables a sink current sunk from the output terminal to flow to the current control resistor.07-26-2012
20120229732METHOD FOR IMPROVING VISIBILITY OF LIQUID CRYSTAL DISPLAY DEVICE, AND LIQUID CRYSTAL DISPLAY DEVICE USING SAME - The present invention provides a liquid crystal display method capable of when a screen thereof is observed through a polarizer such as sunglasses, ensuring an excellent visibility regardless of the angle of observation. In a liquid crystal display device at least having a backlight light source, a liquid crystal cell, and a polarizer disposed on a viewing side of the liquid crystal cell, a white light-emitting diode is used as the backlight light source; and a polymer film having a retardation of from 3,000 nm to 30,000 nm is used so as to be disposed on the viewing side of the polarizer so that an angle between an absorption axis of the polarizer and a slow axis of the polymer film becomes about 45 degrees.09-13-2012
20130169906LIQUID CRYSTAL DISPLAY DEVICE - The present invention provides a liquid crystal display device including a polymer layer which is placed on an alignment layer and which controls the alignment of liquid crystal molecules adjacent thereto. The polymer layer is one formed by polymerizing a monomer added to the liquid crystal layer. The monomer is a compound represented by the following formula:07-04-2013
20090147185Reflective One-Way Screen with Chromatic and Transparent Regions - A one-way display system has a display layer with opaque active pixels and transparent inactive pixels interspersed with the active pixels. Each active pixel has a chromatic side and an opaque side. The active pixels is able to form an image visible from a first side of the display layer but not from a second side of the display layer, and the inactive pixels allows objects on the first side of the display layer to be seen from the second side of the display layer.06-11-2009
20120327333Liquid Crystal Display Device - The first line and the plurality of second lines are formed on the light-emitting diode substrate and on the connection substrate. The plurality of second lines are arranged, on the connection substrate, in the same direction as a direction in which the plurality of light-emitting diodes mounted on the light-emitting diode substrate are arranged. The first line is formed outside the plurality of second lines, on the connection substrate. The plurality of second lines are formed without intersecting with one another, on the light-emitting diode substrate. The first line is formed, on the light-emitting diode substrate, so that the first line extends along with a periphery of the light-emitting diode substrate from a connection part with respect to the connection substrate so as to come around to an opposite side of the connection part with respect to the connection substrate.12-27-2012
20130016310LED DRIVING DEVICE, ILLUMINATOR, AND LIQUID CRYSTAL DISPLAY DEVICEAANM Kanemitsu; RyosukeAACI KyotoAACO JPAAGP Kanemitsu; Ryosuke Kyoto JPAANM Nakayama; MasaakiAACI KyotoAACO JPAAGP Nakayama; Masaaki Kyoto JP - The present invention provides a light emitting diode (LED) driving device as a semiconductor device, which comprises: a direct current/direct current (DC/DC) controller, for controlling an output segment that is used to generate an output voltage from an input voltage and supply the output voltage to an LED; an output current driver, for generating an output current of the LED; and an LED short-circuit detection circuit, for monitoring a cathode voltage of the LED to perform an LED short-circuit detection, wherein the LED short-circuit detection circuit controls whether an action is performed or not according to a short-circuit detection enable signal input from outside the LED driving device.01-17-2013
20130021560LIQUID CRYSTAL DISPLAY - A liquid crystal display including a backlight unit and a liquid crystal display panel is provided. The backlight unit includes an exciting light source and quantum dot remote phosphor. Spectrum of the backlight unit has relative maximum brightness peaks BL01-24-2013
20090073349THREE-DIMENSIONAL MICROFABRICATION METHOD USING PHOTOSENSITIVE NANOCRYSTALS AND DISPLAY DEVICE - Example embodiments provide a three-dimensional microfabrication method using photosensitive nanocrystals is provided. The method comprises the steps of preparing a photosensitive composition comprising a photocurable compound and nanocrystals whose surface is coordinated with a compound having a photosensitive group, applying the photosensitive composition to a substrate and drying the photosensitive composition to form a thin film, and subjecting the thin film to three-dimensional microfabrication. According to the method, nanocrystals are arranged in a three-dimensional array to form photonic crystals or a three-dimensional structure. The three-dimensional structure can be used for the fabrication of micro-electro-mechanical systems (MEMS), thus contributing to the manufacture of display devices and electronic devices on a nanometer scale. Example embodiments also provide a display device using the three-dimensional structure of nanocrystals.03-19-2009
20120242937ELECTRO-OPTIC DEVICE AND METHOD FOR MANUFACTURING SAME - An electro-optic device (09-27-2012
20120242936Quinoxaline Derivative, and Light Emitting Element, Light Emitting Device, and Electronic Device Using the Quinoxaline Derivative - To provide a new bipolar organic compound. In particular, to provide a bipolar organic compound having excellent heat resistance and to provide a bipolar organic compound which is electrochemically stable. Further, to provide a light emitting element and a light emitting device of which a driving voltage and power consumption are reduced by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have excellent heat resistance by using a new bipolar organic compound. Further, to provide a light emitting element and a light emitting device which have a long life by using a new bipolar organic compound.09-27-2012
20080239206Ba-Sr-Ca CONTAINING COMPOUND AND WHITE LIGHT EMITTING DEVICE INCLUDING THE SAME - Disclosed is a compound comprising Ba—Sr—Ca obtained by heat treating, under a reducing atmosphere, a starting material which is a blend comprising Ba oxide; Sr oxide; Ca oxide; an oxide of Eu, Mn, Sm, Sn, Sb, Ce, Pr, Nd, Gd, Tb, Dy, Ho, Er, Tm, Yb, or Bi; Mg oxide; and an oxide of Si or Ge; the blend being mixed together in a molar ratio of x:y:z:(7-x-y-z):a:b, where 010-02-2008
20130141670Backlight Module and Liquid Crystal Display Device - The present invention discloses a backlight module and a Liquid Crystal Display (LCD) device. The backlight module comprises an aluminum extrusion, a light bar, a member and a Light Guide Plate (LGP), wherein, the aluminum extrusion is provided with the member, and the light bar is provided with several LED lights; the backlight module also comprises a member with the light reflection function, matching holes for holding the LED lights are arranged on the member, and the member is arranged on the aluminum extrusion. The light bar is supported on the member and is jointed on one side of the member, and the LED lights are correspondingly sheathed in the mating holes. The light incident surface of the LGP is jointed on the other side of the member, and light emitting surfaces of the several LED lights are adjacent to the light incident surface of the LGP. The member of the backlight module of the present invention has the functions of light reflection and heat insulation, thereby replacing reflector plates on the rubber frame and the aluminum extrusion of the traditional backlight structure and the rubber object on the aluminum extrusion. The structure is simple and can increase the utilization ratio of the light.06-06-2013
20130141671LIQUID CRYSTAL DISPLAY DEVICE, BACKLIGHT UNIT, AND HEAT DISSIPATING METHOD THEREOF - Provided is a liquid crystal display device, a backlight unit, and a heat dissipating method thereof. The backlight unit includes light bar formed with LED and substrate; and heat dissipating structure attached to the substrate of the light bar; wherein, the connection between the substrate and the heat dissipating structure is made of graphite material. According to abovementioned method may accelerate the LED heat dissipation, lower the junction temperature, extend the LED lifespan, and thereby extending the LCD lifespan with lighter weight and lower cost.06-06-2013
20080218662LED BACKLIGHT DEVICE AND LCD DEVICE - A backlight device includes a first substrate, and an LED thin-film layered structure (epitaxially grown inorganic material layers) fixed to a surface of the first substrate. An anode electrode and a cathode electrode are formed on the LED thin-film layered structure. An anode driver IC and a cathode driver IC are provided for driving the LED thin-film layered structure. A wiring structure electrically connects the anode driver IC and the anode electrode of the LED thin-film layered structure, and electrically connects the cathode driver IC and the cathode electrode of the LED thin-film layered structure. A second substrate has an optical transparency and is disposed to face the surface of the first substrate on which the LED thin-film layered structure is formed. A phosphor is formed on a surface of the second substrate facing the first substrate and is disposed on a position corresponding to the LED thin-film layered structure.09-11-2008
20130093982LIQUID CRYSTAL DISPLAY DEVICE AND POLARIZER PROTECTIVE FILM - The present invention aims to provide a liquid crystal display device highly suppressing occurrence of rainbow interference pattern in displayed images. The present invention is a liquid crystal display device including: a back light source, a liquid crystal cell, a color filter, a polarizer, and a polarizer protective film arranged in the stated order, wherein the polarizer protective film has a retardation of not less than 6000 nm, and a difference (nx−ny) of not less than 0.05 between a refractive index (nx) in a slow axis direction that is a highest refractive index direction and a refractive index (ny) in a fast axis direction that is orthogonal to the slow axis direction, and an absorption axis of the polarizer and the slow axis of the polarizer protective film are arranged to form an angle within a range of 0°±30° or 90°±30°.04-18-2013
20120274879METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE - The present invention provides a manufacturing technique of a semiconductor device and a display device using a peeling process, in which a transfer process can be conducted with a good state in which a shape and property of an element before peeling are kept. Further, the present invention provides a manufacturing technique of more highly reliable semiconductor devices and display devices with high yield without complicating the apparatus and the process for manufacturing. According to the present invention, an organic compound layer including a photocatalyst substance is formed over a first substrate having a light-transmitting property, an element layer is formed over the organic compound layer including a photocatalyst substance, the organic compound layer including a photocatalyst substance is irradiated with light which has passed through the first substrate, and the element layer is peeled from the first substrate.11-01-2012
20120274878LUMINESCENCE DIODE ARRANGEMENT, BACKLIGHTING DEVICE AND DISPLAY DEVICE - A luminescence diode arrangement includes a first luminescence diode chip, a second luminescence diode chip and a luminescence conversion element, wherein the first luminescence diode chip emits blue light, the second luminescence diode chip contains a semiconductor layer sequence that emits greens light, the luminescence conversion element converts part of the blue light emitted by the first luminescence diode chip into red light, and the luminescence diode arrangement emits mixed light containing blue light of the first luminescence diode chip, green light of the second luminescence diode chip and red light of the luminescence conversion element.11-01-2012
20120274877CIRCUIT AND METHOD FOR DRIVING LED STRING FOR BACKLIGHT, AND BACKLIGHT AND DISPLAY DEVICE USING THE CIRCUIT - An LED driving circuit drives a display backlight LED string including multiple LEDs connected in series. A power supply supplies a driving voltage from an output terminal thereof to a first end of the LED string. A detection resistor is arranged between a second end of the LED string and a fixed voltage terminal. The LED driving circuit receives a pulse modulation signal having a duty ratio that corresponds to the luminance. In the on period, in which the PDIM signal is the first level, the LED driving circuit controls the power supply such that the voltage drop across the detection resistor approaches a predetermined target value. In the off period, in which the PDIM signal is the second level, the LED driving circuit stops the control operation for the power supply.11-01-2012
20120281167Radiator Plate - This radiator plate includes a first surface and a second surface opposite to the first surface. A plurality of projecting portions each having an isosceles triangular cross-section are formed adjacent to each other on the first surface, and inclined surfaces of each of the projecting portions serve as heat radiation surfaces while a vertex angle θ of each of the projecting portions is set to be at least 90°.11-08-2012

Patent applications in class Electroluminescent light source