Patents Assigned to Epson Imaging Device Corporation
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Patent number: 8083372Abstract: An illumination system includes a light source unit including a light source and a circuit substrate electrically connected to the light source. The light source is placed in the circuit substrate such that at least part of the light source overlaps the circuit substrate in the thicknesswise direction of the circuit substrate.Type: GrantFiled: April 17, 2009Date of Patent: December 27, 2011Assignee: Epson Imaging Devices CorporationInventors: Junya Mita, Yoshinori Momose, Akemi Maruyama, Shintaro Hama
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Publication number: 20110266599Abstract: A solid-state image pickup device is provided which includes a substrate; a transistor formed on the substrate; a photoelectric conversion element including a first electrode connected to a drain or a source of the transistor, a semiconductor layer stacked on the first electrode, and a second electrode stacked on the semiconductor layer; an insulating layer disposed on the second electrode; and a bias line formed on the insulating layer to be connected to the second electrode, in which the insulating layer contains at least an inorganic insulating film, and the bias line is connected to the second electrode via a contact hole formed in the insulating layer, and a side surface of the semiconductor layer is in contact with the inorganic insulating film.Type: ApplicationFiled: July 11, 2011Publication date: November 3, 2011Applicant: EPSON IMAGING DEVICES CORPORATIONInventors: Yukimasa Ishida, Takashi Sato, Yasushi Yamazaki
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Patent number: 8033708Abstract: There is provided an illumination device equipped with a light guide plate, a light source unit having a plurality of point like light sources for supplying light to the light guide plate and a light source holding member for holding the point like light sources, the light source unit being disposed to oppose an edge face of the light guide plate, and a housing for holding the light guide plate and the light source unit. The light source unit is constituted so as to be inserted in and extracted from the housing by a slide mechanism that can be slid along the edge face of the light guide plate, and the light source unit is equipped with a spacer for assuring a gap between the edge face of the light guide plate and the light sources at a slide insertion side end of the light source unit with respect to the housing when the light source unit is slidingly inserted in the housing.Type: GrantFiled: January 13, 2009Date of Patent: October 11, 2011Assignee: Epson Imaging Devices CorporationInventor: Yuichi Tsubaki
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Publication number: 20110234554Abstract: A shift register including a plurality of unit circuits sequentially transfers a start signal supplied to a first one of the unit circuits. Each unit circuit includes a clock terminal, an inverted clock terminal, a control terminal to which an output signal output from the output terminal of a subsequent unit circuit is supplied, a power supply terminal, a first transistor disposed between the clock terminal and the output terminal, a second transistor disposed between the output terminal and the power supply terminal, a capacitor, and a controller that supplies the start signal or the output signal of a previous unit circuit to the gate of the first transistor, and that controls the first transistor to be turned OFF later than a time at which the output signal of the subsequent unit circuit is supplied to the control terminal.Type: ApplicationFiled: March 16, 2011Publication date: September 29, 2011Applicant: EPSON IMAGING DEVICES CORPORATIONInventors: Takashi YOSHII, Yukiya HIRABAYASHI, Koji SHIMIZU
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Patent number: 8022939Abstract: There is provided a touch panel including a first substrate, a second substrate opposing the first substrate, a first electrode film formed on the first substrate, a second electrode film formed on the second substrate, the second electrode film opposing the first electrode film. An openings is formed in each of the first electrode film and the second electrode film, and the opening formed in the first electrode film and the opening formed in the second electrode film are overlapped in plan view and each of the openings has a different opening area.Type: GrantFiled: July 15, 2008Date of Patent: September 20, 2011Assignee: Epson Imaging Devices CorporationInventor: Shoji Hinata
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Patent number: 8018450Abstract: An electrooptic device includes a display panel; an illuminating unit; an ambient-light measuring unit; a luminance control unit; a display-mode switching unit; and a storage unit, wherein when the display panel is switched to the transmission display mode by the display-mode switching unit, the gamma value for the transmission display is obtained from the plurality of tables stored in the storage unit, and the gamma value for the transmission display is applied; and when the display panel is switched to the reflection display mode by the display-mode switching unit, the gamma value for the reflection display is obtained from the plurality of tables stored in the storage unit, and the gamma value for the reflection display is applied.Type: GrantFiled: January 9, 2007Date of Patent: September 13, 2011Assignee: Epson Imaging Devices CorporationInventors: Fusashi Kimura, Masaki Takahashi, Atsunari Tsuda
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Patent number: 7994430Abstract: A mounting structure includes a first electronic component, a second electronic component, and an adhesive. The first electronic component includes at least one protruding electrode including a protruding member and at least one electrically conductive layer. The protruding member is formed of resin. The at least one electrically conductive layer is disposed on the protruding member. The second electronic component has a facing electrode electrically conductively in contact with the at least one protruding electrode. The adhesive is used to adhere the first electronic component and the second electronic component to each other. The protruding member has a first area and a second area. The first area has the at least one electrically conductive layer provided thereon. The second area does not have the at least one electrically conductive layer provided thereon. The first area of the protruding member is squashed more than the second area.Type: GrantFiled: August 16, 2007Date of Patent: August 9, 2011Assignee: Epson Imaging Devices CorporationInventor: Atsushi Saito
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Patent number: 7978284Abstract: An illumination device comprising: a wired board having flexibility and including a light source member mounted on one of principal planes; a light-shielding member disposed so as to cover at least part of the other principal plane of the wired board on the opposite side from the one principal plane and having at least partly a light-shielding property; a fixing member having first and second sticking surfaces to which the wired board and the light-shielding member are stuck respectively, a first adhesive layer being interposed between the one principal plane of the wired board and the first sticking surface of the fixing member, having an adhesive property with respect to both of the one principal plane of the wired board and the first sticking surface, and having a first adhesive force with respect to the one principal plane, and a second adhesive layer being disposed on a surface opposing the fixing member of the light-shielding member, and having a portion having an adhesive property with respect to bothType: GrantFiled: March 30, 2007Date of Patent: July 12, 2011Assignee: Epson Imaging Devices CorporationInventor: Naruo Hashino
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Patent number: 7956313Abstract: There is provided a solid-state image pickup device that has a plurality of scanning lines that extends in a predetermined direction, a plurality of data lines that extends in a direction for intersecting the scanning lines, and a plurality of bias lines within an image pickup area on a substrate. For each of a plurality of pixels disposed in positions corresponding to intersections of the plurality of scanning lines and the plurality of data lines, a field effect transistor that is controlled by the scanning line and a photoelectric conversion element that has a electrode electrically connected to the data line through the field effect transistor and a electrode electrically connected to the bias line are formed, and a constant electric potential line for electrostatic protection is formed on the substrate. For each of bias lines, a bias line electrostatic protection circuit having a protection diode.Type: GrantFiled: April 13, 2009Date of Patent: June 7, 2011Assignee: Epson Imaging Devices CorporationInventors: Takashi Sato, Yukimasa Ishida, Yasushi Yamazaki
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Patent number: 7952862Abstract: An electro-optical device includes a panel having an electro-optical material with terminals in an end portion thereof, a wiring board connected to the terminals, a protective member fixed to the panel, a space portion defined by the end portion of the panel and the protective member, and a space filling member provided in the space portion between the end portion of the panel and the protective member.Type: GrantFiled: February 20, 2009Date of Patent: May 31, 2011Assignee: Epson Imaging Devices CorporationInventor: Toyohiro Sakai
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Patent number: 7919931Abstract: An LED driving circuit for driving a plurality of different LEDs includes: a first power supply circuit that is supplied with an input voltage for generating a plurality of driving voltages and a reference voltage with respect to the input voltage and generates a first output voltage and a second output voltage from the input voltage, on the basis of a first control signal; and a second power supply circuit that is supplied with the first output voltage, the second output voltage, and the reference voltage, selects a voltage for driving the LEDs, on the basis of a second control signal, and outputs them.Type: GrantFiled: April 25, 2006Date of Patent: April 5, 2011Assignee: Epson Imaging Devices CorporationInventor: Takashi Kurumisawa
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Patent number: 7911774Abstract: An electro-optical device is provided which includes an electro-optical panel; and a metal frame configured to accommodate the electro-optical panel therein. The metal frame includes a plurality of side walls and corner portions provided between the side walls. A distal end of at least a portion of at least one of the side walls has a folding portion having a structure that inner surfaces are opposed to each other. At least one of the corner portions adjacent to the side wall having the folding portion has a seamless curved shape.Type: GrantFiled: June 26, 2008Date of Patent: March 22, 2011Assignee: Epson Imaging Devices CorporationInventors: Daisuke Nakanishi, Yasunori Onishi, Naruo Hashino
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Patent number: 7907111Abstract: A driving circuit for driving a liquid crystal device that has, a first substrate including a plurality of scanning lines, a plurality of data lines, and a plurality of pixel electrodes and a plurality of common electrodes, a second substrate disposed opposite the first substrate, and liquid crystal, the common electrodes being partitioned every horizontal line, the driving circuit includes: a control circuit that alternately supplies a first voltage and a second voltage being higher than the first voltage to the common electrodes and that sets the common electrodes to a floating state; a scanning line driving circuit that sequentially supplies a selection voltage to the plurality of scanning lines; and a data line driving circuit that alternately supplies a positive image signal having a potential higher than the first voltage and a negative image signal having a potential lower than the second voltage to the plurality of data lines.Type: GrantFiled: August 24, 2007Date of Patent: March 15, 2011Assignee: Epson Imaging Devices CorporationInventor: Shin Fujita
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Patent number: 7903072Abstract: The object of the present invention is to decrease a frame size in a case where data lines are driven by using a demultiplexer. The data lines 114 are divided into groups each having three data lines. TFTs 52 and 54 are provided for each data line 114, and the TFT 52 between the TFTs has a source electrode commonly connected in each group and a drain electrode connected to the data line 114. In addition, the TFT 54 has a source electrode connected to the data line 114 and a drain electrode commonly connected in each group. A data signal output circuit 32 that outputs data signals having voltage values in accordance with gray scale levels of sub-pixels corresponding to intersections of a selected scan line and a selected data line in each group to each group.Type: GrantFiled: October 23, 2007Date of Patent: March 8, 2011Assignee: Epson Imaging Devices CorporationInventor: Katsunori Yamazaki
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Patent number: 7898512Abstract: An image display device includes a display panel having a plurality of pixel display portions arranged in a longitudinal direction and a lateral direction thereof, a plurality of slits arranged on the display panel so as to correspond to spaces between the pixel display portions adjacent to each other, an image input unit acquiring a first input image and a second input image, and a display control portion displaying the first input image and the second input image by alternately imparting input pixel data of the first input image and input pixel data of the second input image to the plurality of pixel display portions in the longitudinal direction and the lateral direction, in which the display control portion prepares display pixel data corresponding to specific input pixel data on the basis of the specific input pixel data of each of the first input image and second input image and at least one neighboring input pixel data adjacent to the specific input pixel data in the longitudinal direction or the laterType: GrantFiled: November 7, 2007Date of Patent: March 1, 2011Assignee: Epson Imaging Devices CorporationInventors: Takashi Kurumisawa, Yusuke Okazaki
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Patent number: 7893533Abstract: A semiconductor device includes a bump electrode including a bump made of resin, a base layer disposed on the bump, and a conductive surface layer disposed on the base layer. The base layer has ductility lower than that of the conductive surface layer and includes base regions which are spaced from each other and which are arranged at least in a top zone of the bump electrode.Type: GrantFiled: August 16, 2007Date of Patent: February 22, 2011Assignee: Epson Imaging Devices CorporationInventor: Atsushi Saito
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Publication number: 20110037754Abstract: A semiconductor circuit includes a first circuit block, a second circuit block, and power wiring lines that supply a plurality of reference potentials. The first circuit block and the second circuit block are connected to a common power wiring line that is one of the power wiring lines and supplies a common reference potential. A width of the common power wiring line in the first circuit block is smaller than a width of the common power wiring line in the second circuit block.Type: ApplicationFiled: October 28, 2010Publication date: February 17, 2011Applicant: EPSON IMAGING DEVICES CORPORATIONInventors: Yutaka KOBASHI, Takashi TOYA
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Patent number: 7859831Abstract: An electro-optical device includes an electro-optical panel and a holder that directly or indirectly holds the electro-optical panel. At least a part of the holder is formed of a metallic plate, and the at least part of the holder includes a turned-down portion formed by folding a part of a base portion of the metallic plate. The end of the turned-down portion forms a step that holds another component.Type: GrantFiled: June 26, 2008Date of Patent: December 28, 2010Assignee: Epson Imaging Devices CorporationInventors: Daisuke Nakanishi, Yasunori Onishi
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Patent number: 7847883Abstract: 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: GrantFiled: May 19, 2006Date of Patent: December 7, 2010Assignee: Epson Imaging Devices CorporationInventor: Norio Koma
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Patent number: 7847759Abstract: A semiconductor circuit includes a first circuit block, a second circuit block, and power wiring lines that supply a plurality of reference potentials. The first circuit block and the second circuit block are connected to a common power wiring line that is one of the power wiring lines and supplies a common reference potential. A width of the common power wiring line in the first circuit block is smaller than a width of the common power wiring line in the second circuit block.Type: GrantFiled: February 7, 2006Date of Patent: December 7, 2010Assignee: Epson Imaging Devices CorporationInventors: Yutaka Kobashi, Takashi Toya