Patents Assigned to Sanyo Epson Imaging Devices Corp.
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Publication number: 20070057901Abstract: An electro-optical device includes: a liquid crystal panel that includes display pixels each having a plurality of sub-pixels; and an illuminating device that illuminates the liquid crystal panel. In the electro-optical device, the plurality of sub-pixels include at least two cyan and white sub-pixels.Type: ApplicationFiled: July 26, 2006Publication date: March 15, 2007Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventor: Eiji Chino
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Publication number: 20070052657Abstract: The invention provides an electro-optical device that includes an X address decoder that selects one of a plurality of X selection lines, a Y address decoder that selects one of a plurality of Y selection lines, and a plurality of pixel blocks, each of the pixel blocks being provided with respect to an intersection of a corresponding one of the plurality of the X selection lines and a corresponding one of the plurality of the Y selection lines. Such an electro-optical device is further configured as follows. Each of the plurality of the pixel blocks includes at least one pixel circuit. The pixel circuits corresponding to a column share a bit line and a complementary bit line. Each of the pixel circuits includes a memory circuit, a selection circuit, and a pixel electrode.Type: ApplicationFiled: September 5, 2006Publication date: March 8, 2007Applicant: Sanyo Epson Imaging Devices Corp.Inventors: Yutaka Ozawa, Suguru Yamazaki
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Publication number: 20070046619Abstract: A liquid crystal display device 1 of the invention has a liquid crystal display panel in which a liquid crystal layer 14 is provided between a TFT substrate 2 and a CF substrate 25 that has a common electrode 26, a light sensing component LS1 with a TFT photosensor that senses external light, and an illuminating means controlled according to the output of the light sensing component. The light sensing component is deployed at the periphery of the TFT substrate's display area DA and uses a thin film transistor as photosensor. A capacitor C is connected between source and drain electrodes SL, DL for such TFT photosensor. One of the capacitor's terminals is connected to a standard voltage source VS via a switch element SW, and the other to the common electrode 26. Voltage that is always lower than the voltage applied to the common electrode by an amount corresponding to a reverse bias voltage is applied to the gate electrode GL for the TFT photosensor.Type: ApplicationFiled: August 28, 2006Publication date: March 1, 2007Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Yutaka Sano, Takashi Kunimori, Masanori Yasumori, Toshihiko Tanaka
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Publication number: 20070024778Abstract: Provided is a semi-transmissive liquid crystal display device having a pair of substrates 11, 21, which employs ECB mode liquid crystals in which a protruding portion 23 used for adjusting a cell gap provided on a reflective portion 15 of each pixel in one of the substrates extends in a first direction, wherein a liquid crystal injection inlet “a” is provided at a position such that an angle ? between a tangent “c” of a circular arc “b” drawn with the liquid crystal injection inlet “a” as its center and the orienting direction of an alignment layer on the side comprising the protruding portion 23, is never at a right angle when the orienting direction of the alignment layer formed on one of the substrates intersects with the protruding portion 23, or is provided at a position such that a contact point of the tangent “c” where the circular arc “b” tangent “c” and the orienting direction of the alignment layer on the side comprising the protruding portion 23 are at a right angle is on an edge of the glass substType: ApplicationFiled: July 25, 2006Publication date: February 1, 2007Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Masayuki Kametani, Hirofumi Ohira
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Publication number: 20070019121Abstract: The occurrence of the poor electric connection between the outer circuit and the liquid crystal display device can be reduced in the manufacturing method of the outer circuit and liquid display device of this invention. The liquid crystal display device has the pixel region 100P and the outer connection region 107. There are the gate metal layer 15 disposed on the gate insulating film 12, the interlayer insulating film 16 covering the gate metal layer 15, the first conductive layer 19 covering the gate metal layer 15 located on the interlayer insulating film 16, the passivation film 20 with the second opening 22 exposing the part of the first conductive layer 19 that covers the gate metal layer 15, and the second conductive layer 26 covering the first conductive layer 19 exposed from the second opening 22 in the outer connection region. The metal bump 50 of the outer circuit is connected on the second conductive layer 26 through thermal pressure treatment.Type: ApplicationFiled: July 18, 2006Publication date: January 25, 2007Applicant: Sanyo Epson Imaging Devices Corp.Inventors: Hiroshi Matsuda, Hideki Kawada
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Publication number: 20070013773Abstract: A liquid crystal display device includes a first substrate and a second substrate opposed to each other with a liquid crystal layer therebetween, in which a first electrode and a second electrode are provided on a side of the first substrate opposed to the liquid crystal layer and the liquid crystal layer is driven by means of an electric field generated between the first electrode and the second electrode. A reflective display area for reflective display and a transmissive display area for transmissive display are formed in a sub pixel area. The thickness of the liquid crystal layer in the reflective display area is greater than the thickness of the liquid crystal layer in the transmissive display area. A retardation layer is selectively formed in an area corresponding to at least the reflective display area on a side of the second substrate opposed to the liquid crystal layer.Type: ApplicationFiled: July 13, 2006Publication date: January 18, 2007Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Hitoshi Tsuchiya, Toshiharu Matsushima
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Publication number: 20070013835Abstract: A liquid crystal display device includes a first substrate and a second substrate opposed to each other with a liquid crystal layer having liquid crystal molecules disposed therebetween, in which a first electrode and a second electrode are provided on a side of the first substrate opposed to the liquid crystal layer, the liquid crystal layer is driven by means of an electric field generated between the first electrode and the second electrode, and a reflective display area for reflective display and a transmissive display area for transmissive display are formed in a sub-pixel area. Alignment of the liquid crystal molecules of the liquid crystal layer is different in the transmissive display area and the reflective display area.Type: ApplicationFiled: July 12, 2006Publication date: January 18, 2007Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Toshiharu Matsushima, Hitoshi Tsuchiya
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Publication number: 20070008266Abstract: A relaxation time in a common inversion drive of a liquid crystal display device is minimized.Type: ApplicationFiled: July 10, 2006Publication date: January 11, 2007Applicant: Sanyo Epson Imaging Devices Corp.Inventors: Yutaka Kobashi, Takashi Toya
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Publication number: 20060290871Abstract: An electro-optical device includes: a sealant provided between a pair of substrates in a frame shape; an electro-optical material layer formed by sealing an electro-optical material within a region surrounded by the sealant; an insulating layer provided within the region surrounded by the sealant on at least one of the pair of substrates; and an alignment layer provided between the insulating layer and the electro-optical material layer. The region surrounded by the sealant includes an effective display region where display is performed and a peripheral region located between the effective display region and the sealant, and the insulating layer within the peripheral region is formed with a recessed portion to which a material of the alignment layer flows.Type: ApplicationFiled: June 14, 2006Publication date: December 28, 2006Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventor: Norihito Harada
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Publication number: 20060290849Abstract: A semi-transmissive liquid crystal display device 10 having a first substrate which is partitioned by signal lines 13 and scanning lines 12 provided in a matrix pattern in which a reflective part 15 and a transmissive part 16 are formed on respective positions, a second substrate which is formed with a color filter and a common electrode, and a liquid crystal layer which is provided in between said two substrates, wherein a pixel electrode 19 which is provided on said reflective part 15 and said transmissive part 16 is formed so as to overlap with said signal lines 13 and said scanning lines 12 via an insulating layer when viewed from the upper side, a width L1 of the signal line 13 corresponding to said transmissive part 16 is greater than a width L3 of said signal line 13 corresponding to said reflective part 15, and an overlapping width L2 of said pixel electrode 19 and said signal line 13 corresponding to said transmissive part 16 is greater than an overlapping width L4 of the pixel electrode 19 and saType: ApplicationFiled: June 9, 2006Publication date: December 28, 2006Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Shinichiro Tanaka, Koji Yoshida
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Publication number: 20060279313Abstract: A test circuit for detecting an output signal from a driving circuit includes a judging circuit which outputs a detection signal when the output signal output from the driving circuit has one polarity, but does not output the detection signal when the output signal has the other polarity, and an amplifying circuit which amplifies the signal from the judging circuit.Type: ApplicationFiled: May 11, 2006Publication date: December 14, 2006Applicant: Sanyo Epson Imaging Devices Corp.Inventors: Shin Fujita, Hiroko Oka
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Publication number: 20060279673Abstract: 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.Type: ApplicationFiled: May 19, 2006Publication date: December 14, 2006Applicants: SANYO ELECTRIC CO., LTD., Sanyo Epson Imaging Devices Corp.Inventors: Kenji Tanase, Kazunobu Mameno, Norio Koma, Manabu Takemoto
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Publication number: 20060268194Abstract: A liquid crystal display device is provided wherein decline of the driver IC's drive performance due to transmission of heat from the light source is prevented, and which is equipped with a light source of good luminous efficiency that can realize high brightness even when the LEDs are small-sized. Such a liquid crystal display device 1 comprises: an edge light type backlight device 2 having a light guide plate 21 and a light source 22 that is deployed close to an edge surface of said light guide plate 21; and a liquid crystal display panel 3 wherein a pair of substrates 31, 32 are deployed facing each other, a liquid crystal layer is formed between the two substrates 31, 32, and a driver IC 33 for driving the liquid crystal is mounted on one substrate 31 of said pair of substrates 31, 32.Type: ApplicationFiled: May 11, 2006Publication date: November 30, 2006Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Seiji Morimoto, Takashi Taniguchi
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Publication number: 20060261337Abstract: The invention is directed to the higher contrast in a liquid crystal display device (LCD) having a lighting portion as a front light. A lighting portion is formed by interposing an organic EL layer between a transparent substrate and a transparent substrate. A light shield layer is formed covering a cathode layer of the organic EL element layer. The lighting portion is disposed above the reflective LCD. The reflective LCD has a polarizing plate, a light scattering layer, an opposing substrate, a common electrode, a liquid crystal layer, and a TFT substrate. When the refractive indexes of seven layers of an anode layer, the transparent substrate, a resin layer, the polarizing plate, the light scattering layer, the opposing substrate, and the common electrode are defined as n(1), n(2), n(3), n(4), n(5), n(6), and n(7) respectively, the relation of 1.33>n(k)/n(k+1)>0.75(k=1-6) holds.Type: ApplicationFiled: May 19, 2006Publication date: November 23, 2006Applicant: Sanyo Epson Imaging Devices Corp.Inventor: Norio Koma
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Publication number: 20060262242Abstract: The invention is directed to the higher contrast in a display device with a lighting device as a front light and a reflective LCD. A lighting device is disposed, being opposed to a front surface of a reflective electrode of a reflective LCD. An organic EL element layer including an anode, a cathode patterned into stripes, and an organic layer is formed in the lighting device. A region of the organic layer corresponding to the cathode serves as an emissive region. A light shield layer is formed covering the cathode. Furthermore, a diffraction grating made of an aluminum layer and having a plurality of fine slits formed by patterning is disposed on the reflective LCD, as a polarizing layer that can be formed thinner as much as possible.Type: ApplicationFiled: May 19, 2006Publication date: November 23, 2006Applicant: Sanyo Epson Imaging Devices CorpInventor: Norio Koma
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Publication number: 20060244893Abstract: A portion of a protective layer located above a connection portion is removed to expose the connection portion which is formed of the same material as used for a data line DL in this removed portion. Then, a transparent conductive layer made of ITO is further formed on these films. The transparent conductive layer and a bump are then connected via an AFC.Type: ApplicationFiled: April 28, 2006Publication date: November 2, 2006Applicant: Sanyo Epson Imaging Devices Corp.Inventor: Nobuhiko Oda
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Publication number: 20060238450Abstract: There is an electro-optical device. The electro-optical device includes: a substrate; a plurality of terminals, a plurality of gate lines, a plurality of source lines, and a plurality of wiring lines that are provided on the substrate; a mounting component that is mounted on the substrate with an anisotropic conductive film interposed therebetween and has a plurality of electrodes; and a counter substrate that is disposed so as to be opposite to the substrate and has a counter electrode.Type: ApplicationFiled: March 21, 2006Publication date: October 26, 2006Applicant: Sanyo Epson Imaging Devices Corp.Inventor: Hiroyuki Onodera
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Publication number: 20060221269Abstract: An electro-optical device includes an electro-optical panel which displays an image on a display surface; a supporting member which supports the electro-optical device; and a flexible wiring substrate which is connected to the electro-optical device. The wiring substrate is bent such that at least a portion of a surface of the wiring substrate is opposite to a side surface of the supporting member, in regions other than a side of the wiring substrate connected to the electro-optical panel.Type: ApplicationFiled: March 14, 2006Publication date: October 5, 2006Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventor: Yoshito Kawaguchi
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Publication number: 20060221284Abstract: This invention offers a liquid crystal display device with which each of a plurality of observers can visually recognize each of two different images displayed on a single liquid crystal display panel respectively. The liquid crystal display device of this invention includes a light source for backlighting, a first polarizing plate to extract linearly polarized light from the light source for backlighting, a polarization control LCD composed of a liquid crystal layer divided into a plurality of columns and controlling an optical retardation of each of the plurality of columns, lenticular lenses disposed along the columns, a first retardation plate in which a row having a first optical retardation and a row having another optical retardation that is different from the first optical retardation are disposed alternately, a display LCD and a second and a third polarizing plates between which the display LCD is interposed.Type: ApplicationFiled: February 27, 2006Publication date: October 5, 2006Applicant: Sanyo Epson Imaging Devices Corp.Inventors: Tatsuya Yata, Norio Koma
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Publication number: 20060221288Abstract: An active matrix liquid crystal display device 10 of the present invention includes: a plurality of signal lines Y1, . . . Ym and scanning lines X1, . . . Xn, Xn+1, Xn+2 which are arranged in a matrix state on a substrate; switching transistors 14 arranged near the intersection of each of the signal lines and the scanning lines; and pixel electrodes that are severally arranged in positions surrounded by the signal lines and the scanning lines and connected to the switching transistors, in which the pixel electrode is made up of a pixel electrode for display 12(25) that contributes to display, which is provided in an effective display region, and a dummy pixel electrode 27 that does not contribute to display, which is provided in a non-effective display region, and the dummy pixel electrode has a smaller area than the area of the pixel electrode for display and a plurality of the dummy pixel electrodes are parallelly provided for each signal line.Type: ApplicationFiled: March 14, 2006Publication date: October 5, 2006Applicant: SANYO EPSON IMAGING DEVICES CORP.Inventors: Akio Ota, Satoshi Morita, Makoto Murakami, Osamu Kobayashi