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Toshiba Matsushita Display Technology Co., Ltd. Patents
Assignee:
Toshiba Matsushita Display Technology Co., Ltd.
Address:
Tokyo, JP
No. of patents:
82
Patents:


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Patent Number Title Of Patent Date Issued
7460194 Flat display device including stress easing frame bezel December 2, 2008
A flat display device includes a display panel, a frame which holds the display panel, and a frame-shaped bezel which is fixed to the frame and holds the display panel on the frame. The bezel has a surface portion, side face portion, reverse portion, fixed portion, and stress easing
7460193 Flat panel display having sensor board and circuit board attached to frame via screws December 2, 2008
A flat-panel display apparatus, to which a sensor board can be easily attached, is provided. In the flat-panel display apparatus, a driver circuit is attached to a side portion of a liquid crystal panel via a flexible print circuit. The liquid crystal panel is attached to the main su
7452118 Area light source November 18, 2008
Area light source 10 used for LCD device 1 includes light guide 12 and LED devices 18 and 19 disposed at a side portion of light guide 12. A light receiving portion at a side edge portion of light guide 12 is provided with prisms 24 and 25 of saw-tooth prism group 22. Apex angles of pris
7450105 Display device November 11, 2008
A display device, comprising: a pixel array unit having display elements formed in vicinity of intersections of signal lines and scanning lines arranged in length and breadth, image pickup units and an output unit which outputs binary data corresponding to image picked up by said image
7449215 Method of manufacturing display device November 11, 2008
A method of manufacturing a display device includes a step of forming an insulating layer on a substrate, a step of coating a first mask material on an area associated with a first color pixel on the insulating layer, a step of coating a second mask material on an area associated with a
7446759 Array substrate for flat display device November 4, 2008
An object of this array substrate for a flat display device is to eliminate display unevenness caused by the inequality of parasitic capacitances of switches of signal line switch circuits. Electrode patterns (P) which connects the gate electrodes of the switches (ASW) to any one of
7443468 Liquid crystal display device October 28, 2008
A liquid crystal display cell (110) includes: an opposing substrate (130) having an opposing electrode (Ecom); an array substrate (120) having a pixel electrode Dpix for each color; a liquid crystal layer (140) arranged in a bend arrangement located between the opposing substrate (12
7443467 Liquid crystal display device provided with pigmented layers in a pixel October 28, 2008
For the purpose of preventing line defects from occurring on a display screen in consequence of uneven coating of pigmented layers, a first pigmented layer is formed in a pattern obtained by thinning out a portion in an otherwise complete grid every other pixel in a direction of signal
7431625 Prebroken panel, display, and method of manufacturing the same October 7, 2008
A method of manufacturing an organic EL display includes forming organic EL elements on a first portion of a first substrate, forming a frame-shaped sealing resin layer on the first portion such that the sealing resin layer surrounds the organic EL elements, putting the first substra
7431624 Method of manufacturing organic EL element October 7, 2008
A method of manufacturing an organic EL element includes applying a reverse bias to an organic EL element with an inverse layered structure until a current density of the organic EL element at an impressed voltage of 10 V reaches 0.075 mA/cm.sup.2 or more.
7425728 Surface light source control device September 16, 2008
A surface light source control device has a plane light source control circuit for setting a current amount to a plurality of diode arrays. The light source control circuit comprises a constant current circuit for holding currents respectively flowing in the plurality of diode arrays
7423715 Liquid crystal display device with retardation layer September 9, 2008
A liquid crystal display device includes a liquid crystal panel having a structure in which a liquid crystal layer LQ is held between a pair of electrode substrates AR, CT, a pair of polarizers PL which hold the liquid crystal panel therebetween, and a pair of optical retardation pla
7423622 Display device September 9, 2008
A display device, comprising: signal lines and scanning lines arranged vertically and horizontally on an insulating substrate; display elements formed in vicinity of the signal lines and the scanning lines on said insulating substrate; a signal line drive circuit which drives the signal
7420214 Array substrate for display device September 2, 2008
An array substrate for a display device includes an insulating substrate, a buffer layer which is disposed on the insulating substrate and is formed of silicon oxide with a refractive index equal to a refractive index of the insulating substrate, a first insulation layer which is dis
7417628 Liquid crystal display apparatus August 26, 2008
A liquid crystal display apparatus comprises a liquid crystal display panel including a display region, a planar light source device having a light exit surface which faces the liquid crystal display panel and from which planar light exits toward the liquid crystal display panel, and a
7413333 Lighting apparatus and liquid crystal display apparatus August 19, 2008
A lighting apparatus including a light guiding plate, and a light source including a plurality of light-emitting elements which emit light at a plurality of brightness levels. The light emitting elements is provided opposite to a side edge of the light guiding plate and arranged along th
7402939 Organic EL display July 22, 2008
An organic EL display includes an insulating layer with light-transmission property, an organic EL element located on a back side of the insulating layer, a diffraction grating located on the back side of the insulating layer, and an optical film disposed on a front side of the insulatin
7397525 Liquid crystal display device July 8, 2008
A first phase plate and a third phase plate, which constitute a polarizer structure, cooperate to impart a phase difference of a 1/4 wavelength to linearly polarized light that emerges from a first polarizer plate. A second phase plate and a fourth phase plate cooperate to impart a phase
7397452 Display apparatus and its control method July 8, 2008
A display apparatus is provided which can perform display of high visibility with the load on a power supply for supplying power to display elements. A display screen is provided with a plurality of pixels arranged in an array. Each pixel includes a display element and a driving circ
7394105 Active matrix display and method of manufacturing the same July 1, 2008
There is provided an active matrix display including pixels arrayed in a matrix form and each including a display element and a thin film transistor. In each of columns which the pixels form, the pixels are divided into a first pixel group in which the thin film transistors are arran
7392058 Communication terminal device, information providing device, and cellular telephone system June 24, 2008
A communication terminal device includes a first display part configured to display streaming sub information, a second display part configured to display streaming main information related to the streaming sub information, a sub information reception unit configured to receive the s
7391053 Inspection substrate for display device June 24, 2008
In order to make it possible to easily detect an electrical defect by using an array tester, the present inspection substrate includes: plural scan lines and plural signal lines; plural storage capacitor lines arranged in parallel to the scan lines; storage capacitor elements, each o
7385665 Display device June 10, 2008
A display device includes a display panel which includes an effective display section, a flexible board which supplies a driving signal to the effective display section, a connection part at which the display panel and the flexible board are connected, and a plurality of connection w
7375463 Optical device and organic EL display May 20, 2008
An optical device includes a first waveguide layer in which multiple-beam interference occurs, a second wavelength layer which includes a back surface facing the first waveguide layer and a front surface as a light output surface, and an outcoupling layer which is disposed on a back side
7372440 Active matrix display device May 13, 2008
An active matrix display device comprises a plurality of pixels which are arranged in the form of a matrix on a substrate and each of which includes a display element and a pixel circuit which supplies the display element with a drive current, video signal lines arranged along the pi
7369209 Bendable display apparatus and method of manufacturing the same May 6, 2008
A display apparatus with a plurality of display pixel sections includes glass substrate, which are formed to have a thickness that permits bending of the display apparatus, and polarizer plates, which are disposed on the glass substrates, respectively. The polarizer plates are thicke
7367706 Illumination unit and liquid crystal display comprising it May 6, 2008
A liquid crystal display device according to the present invention has a lighting unit (UT) comprising a light guiding plate (3), a light source (2), a reflector (4), a reflecting sheet (5) and a housing (10), and a liquid crystal display panel (1). In the liquid crystal display device,
7361947 Photoelectric conversion element and display device including the same April 22, 2008
A photoelectric conversion element includes a semiconductor layer including a pair of p.sup.+ regions in which p-type impurities are doped, and a p.sup.- region which is disposed between the p.sup.+ regions and has a lower p-type impurity concentration than the p.sup.+ regions. A gat
7355220 Array substrate April 8, 2008
An array substrate includes an insulating substrate, pixel circuits arranged in a matrix on the insulating substrate, and video signal lines arranged correspondently with columns which the pixel circuits form. Each pixel circuit includes a drive transistor whose source is connected to a
7344293 Planar light source device and liquid crystal display device March 18, 2008
A planar light source device includes a cold cathode fluorescent tube, a light guide opposed to the light source to emit light which is received from the light source, a frame which supports the light source and the light guide and has a projection which positions the light source and th
7339646 Connection structures of wiring board and connection structure of liquid crystal display panel March 4, 2008
A liquid crystal display device of the present invention comprises a liquid crystal display panel (1) provided with one or more electrode terminals (R.sub.1) to (R.sub.n) and a pair of reference markers (N1) on a non-display region (3) thereof, a flexible printed circuit board (FPC1)
7335914 Display, array substrate, and display manufacturing method February 26, 2008
Each pixel of a display includes a first thin film transistor whose source is connected to a first power supply terminal, a second thin film transistor which is different in conduction type from the first thin film transistor and whose source and drain are connected to the drain of the
7333079 Organic EL display and active matrix substrate February 19, 2008
In an active matrix organic EL display including a drive control element which has a first terminal connected to a first power supply terminal, a control terminal, and a second terminal which outputs a driving current having a magnitude corresponding to the voltage between the first
7324351 Display, wiring board, and method of manufacturing the same January 29, 2008
Provided is a wiring board including an insulating substrate with a first region and a second region adjacent to each other on a major surface, signal line groups arrayed on the first region, and connection portions arranged on the second region in correspondence with the signal line
7317500 Liquid crystal display device provided with a reflective-type monochromatic display screen in ad January 8, 2008
In a liquid crystal display device including not only a color display screen but also a monochrome display screen, blue color layers are partially formed in each area corresponding to each reflective electrode in an auxiliary screen for monochrome display in order to suppress yellowi
7315343 Liquid crystal display device January 1, 2008
A liquid crystal display device comprises a liquid crystal display panel including a liquid crystal layer for a display in an OCB mode, a heating unit which heats the liquid crystal display panel, a temperature detecting unit for detecting a temperature of the liquid crystal display
7295647 Driver for bidirectional shift register November 13, 2007
In order to improve the reliability of the operation of switching the scan direction in a bidirectional shift register without using a complex circuit configuration or complex timing, a clock signal is maintained at a high level by a controller around the timing of the switching of the
7293905 Area light source device and liquid crystal display apparatus November 13, 2007
An area light source device includes a light source, a light guide including a first side surface on which emission light from the light source is incident, and a first major surface and a second major surface, which are opposed to each other and from which the incident light on the
7292289 Liquid crystal display November 6, 2007
A liquid crystal display device (L) according to the present invention comprises a liquid crystal display panel (1) having one or more wires on a substrate (1B) thereof, and a housing having holding portions (120a) to (120h) configured to hold opposing end portions of the liquid crystal
7291238 Method of manufacturing liquid crystal display panel and liquid crystal display panel manufactur November 6, 2007
A method of manufacturing a liquid crystal display panel is provided which includes bonding a pair of substrates to each other with a gap maintained therebetween and defining an intake between the substrates, injecting liquid crystal into a space between the substrates through the intake
7289185 Method of manufacturing a display including chemically polishing, dividing and mechanically poli October 30, 2007
A method of manufacturing a display device includes a cell forming step of forming a predetermined number of cells on a mother substrate, a first polishing step of chemically polishing an outer surface of the mother substrate with use of a predetermined polishing solution, a dividing ste
7286109 Active matrix type display apparatus October 23, 2007
Buffer circuits are provided between outputs of a scanning line driver circuit and scanning lines. The buffer circuits each are configured to make rise or fall time of scanning signals at output sides of the buffer circuits substantially the same as or longer than those of the scanning
7270463 Area light source device and liquid crystal display apparatus including the same September 18, 2007
An area light source device includes an L-shaped cold-cathode fluorescent lamp, a wedge-shaped light guide having an incidence surface, on which emission light from the cold-cathode fluorescent lamp is incident, and a reflector that surrounds the cold-cathode fluorescent lamp, has an
7268490 Wiring substrate and display device September 11, 2007
A display device includes a first insulation layer which is disposed on a support substrate with a first refractive index and has a second refractive index which differs from the first refractive index, a second insulation layer which is disposed on the first insulation layer and has
7265740 Suppression of leakage current in image acquisition September 4, 2007
In a manufacturing process of a display device, hydrogenation in an I layer of photodiodes D1 and D2 is progressed less than that in a channel portion of a pixel TFT, and a defect density due to dangling bonds not terminated in the I layer of the photodiodes D1 and D2 is made higher
7261457 Surface light source device August 28, 2007
A surface light source conversion member, which converts emission light from a light source to planar light, has a predetermined thickness at a part thereof where a light incidence surface of a light guide, which is opposed to the light source, is located. A reflector, which reflects
7259819 Liquid crystal display device with a bridge wiring member with an electric field weaker than tha August 21, 2007
A liquid crystal display device includes an array substrate having a pixel electrode formed of a conductor, a counter substrate having a counter electrode facing the pixel electrode, and a liquid crystal layer held between the substrates and containing liquid crystal molecules set in a
7256844 Liquid crystal display device August 14, 2007
A semi-transmission type liquid crystal display device includes a liquid crystal display panel LPN in which a liquid crystal layer LQ is held between an array substrate AR and a counter-substrate CT that are disposed to face each other, a first polarization control element POL1 provi
7256757 Organic EL display panel August 14, 2007
An organic EL display panel includes a substrate, pixel electrodes, a common electrode, signal lines, power supply lines, thin-film transistors, scan lines, organic EL elements and storage capacitors. To obtain a full color image by light emissions of the organic EL elements, red, gr
7250929 Active matrix display device and digital-to-analog converter July 31, 2007
An active-type display device includes a plurality of video signal lines that are formed on a substrate, a plurality of pixels that are connected to the video signal lines and are operated by current signals, and a video signal driver that supplies video currents to the pixels via the
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