Patents Assigned to Epson Imaging Devices Corporation
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Patent number: 9495902Abstract: An electro-optical device including: first display elements divided into at least a first region and a second region, for displaying a first image, and second display elements each divided into at least a third region and a fourth region, for displaying a second image, the first and second display elements being arranged such that each third region is disposed between the first region and the second region of the adjacent first display element and each second region is disposed between the third region and the fourth region of the adjacent second display element; a parallax barrier layer provided on a side of the display elements adjacent to a viewer, the parallax barrier having light transmitting regions at positions thereof corresponding to boundaries between adjoining first and third regions as well as between adjoining second and fourth regions; and a spacer layer separating the display elements from the parallax barrier layer.Type: GrantFiled: January 29, 2014Date of Patent: November 15, 2016Assignee: Epson Imaging Devices CorporationInventor: Yoichi Momose
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Patent number: 9357612Abstract: 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: GrantFiled: February 4, 2015Date of Patent: May 31, 2016Assignee: Epson Imaging Devices CorporationInventors: Kenji Tanase, Kazunobu Mameno, Norio Koma, Manabu Takemoto
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Patent number: 9262985Abstract: 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: September 3, 2013Date of Patent: February 16, 2016Assignee: Epson Imaging Devices CorporationInventors: Yutaka Kobashi, Takashi Toya
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Patent number: 9207493Abstract: An electronic apparatus includes a back light unit that has a light source, an optical member that is arranged so as to face the irradiation direction of the light of the light source, and a spacer that supports the optical member from the light source side and is arranged in a state in which the optical member is arranged parallel to the direction of gravity or inclined with respect to the direction of gravity, and a display panel that is arranged so as to be superimposed on the optical member of the back light unit. In the back light unit, the number of spacers arranged in an upper half area of the optical member with respect to the direction of gravity is configured to be smaller than that of the spacers arranged in a lower half area of the optical member with respect to the direction of gravity.Type: GrantFiled: March 18, 2013Date of Patent: December 8, 2015Assignee: EPSON IMAGING DEVICES CORPORATIONInventor: Daisuke Nakanishi
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Publication number: 20150156847Abstract: 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: February 4, 2015Publication date: June 4, 2015Applicant: Epson Imaging Devices CorporationInventors: Kenji TANASE, Kazunobu MAMENO, Norio KOMA, Manabu TAKEMOTO
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Patent number: 8970104Abstract: 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: GrantFiled: July 16, 2014Date of Patent: March 3, 2015Assignee: Epson Imaging Devices CorporationInventors: Kenji Tanase, Kazunobu Mameno, Norio Koma, Manabu Takemoto
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Patent number: 8866797Abstract: A display device with a position detecting function includes: an optical position detecting device which includes a position detecting light source for alternately emitting position detecting infrared light having a light amount attenuated along a predetermined direction and position detecting infrared light having a light amount attenuated along a reverse direction of the predetermined direction, and a light receiving element for receiving the position detecting infrared light reflected by a target object inside a detection region, and which detects a position of the target object on the basis of a light amount detection result of the light receiving element; and an image creating device which includes an image display region of an electric optical panel in a region overlapped with the detection region, wherein the light receiving element is constituted by a semiconductor element formed on the electric optical panel.Type: GrantFiled: February 19, 2010Date of Patent: October 21, 2014Assignee: Epson Imaging Devices CorporationInventor: Kanechika Kiyose
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Patent number: 8841837Abstract: 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: GrantFiled: September 6, 2013Date of Patent: September 23, 2014Assignee: Epson Imaging Devices CorporationInventors: Kenji Tanase, Kazunobu Mameno, Norio Koma, Manabu Takemoto
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Patent number: 8833957Abstract: 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: December 8, 2011Date of Patent: September 16, 2014Assignee: Epson Imaging Devices CorporationInventors: Junya Mita, Yoshinori Momose, Akemi Maruyama, Shintaro Hama
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Publication number: 20140145912Abstract: An electro-optical device including: first display elements divided into at least a first region and a second region, for displaying a first image, and second display elements each divided into at least a third region and a fourth region, for displaying a second image, the first and second display elements being arranged such that each third region is disposed between the first region and the second region of the adjacent first display element and each second region is disposed between the third region and the fourth region of the adjacent second display element; a parallax barrier layer provided on a side of the display elements adjacent to a viewer, the parallax barrier having light transmitting regions at positions thereof corresponding to boundaries between adjoining first and third regions as well as between adjoining second and fourth regions; and a spacer layer separating the display elements from the parallax barrier layer.Type: ApplicationFiled: January 29, 2014Publication date: May 29, 2014Applicant: Epson Imaging Devices CorporationInventor: Yoichi MOMOSE
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Patent number: 8698703Abstract: An electro-optical device including: first display elements divided into at least a first region and a second region, for displaying a first image, and second display elements each divided into at least a third region and a fourth region, for displaying a second image, the first and second display elements being arranged such that each third region is disposed between the first region and the second region of the adjacent first display element and each second region is disposed between the third region and the fourth region of the adjacent second display element; a parallax barrier layer provided on a side of the display elements adjacent to a viewer, the parallax barrier having light transmitting regions at positions thereof corresponding to boundaries between adjoining first and third regions as well as between adjoining second and fourth regions; and a spacer layer separating the display elements from the parallax barrier layer.Type: GrantFiled: November 27, 2012Date of Patent: April 15, 2014Assignee: Epson Imaging Devices CorporationInventor: Yoichi Momose
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Patent number: 8698704Abstract: An electro-optical device including: first display elements divided into at least a first region and a second region, for displaying a first image, and second display elements each divided into at least a third region and a fourth region, for displaying a second image, the first and second display elements being arranged such that each third region is disposed between the first region and the second region of the adjacent first display element and each second region is disposed between the third region and the fourth region of the adjacent second display element; a parallax barrier layer provided on a side of the display elements adjacent to a viewer, the parallax barrier having light transmitting regions at positions thereof corresponding to boundaries between adjoining first and third regions as well as between adjoining second and fourth regions; and a spacer layer separating the display elements from the parallax barrier layer.Type: GrantFiled: November 27, 2012Date of Patent: April 15, 2014Assignee: Epson Imaging Devices CorporationInventor: Yoichi Momose
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Patent number: 8654101Abstract: An optical position detecting unit can be configured at low cost and so as to have lower power consumption.Type: GrantFiled: March 26, 2010Date of Patent: February 18, 2014Assignee: Epson Imaging Devices CorporationInventor: Yasunori Onishi
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Patent number: 8628205Abstract: A backlight unit includes: an arrangement surface on which a plurality of light sources are arranged, and a plurality of reflection surfaces erected from a plurality of edges of the arrangement surface. The light emitted from the light sources and the light reflected from the reflection surfaces irradiate to an irradiation area surrounded by the reflection surfaces which are each inclined at an inclination angle smaller than 90 degrees with respect to the arrangement surface. At least one reflection surface includes a large inclination area inclined at a large inclination angle and a small inclination area inclined at a small inclination angle. The light source arranged close to the large inclination area is disposed closer to the outside frame of the irradiation area than the other light sources arranged close to the small inclination area in plan view from the irradiation area.Type: GrantFiled: April 23, 2012Date of Patent: January 14, 2014Assignee: Epson Imaging Devices CorporationInventor: Daisuke Nakanishi
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Publication number: 20140009062Abstract: 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: September 6, 2013Publication date: January 9, 2014Applicant: EPSON IMAGING DEVICES CORPORATIONInventors: Kenji TANASE, Kazunobu MAMENO, Norio KOMA, Manabu TAKEMOTO
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Publication number: 20140001965Abstract: 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: September 3, 2013Publication date: January 2, 2014Applicant: Epson Imaging Devices CorporationInventors: Yutaka KOBASHI, Takashi TOYA
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Patent number: 8558778Abstract: 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: GrantFiled: March 16, 2011Date of Patent: October 15, 2013Assignee: Epson Imaging Devices CorporationInventors: Takashi Yoshii, Yukiya Hirabayashi, Koji Shimizu
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Patent number: 8552935Abstract: 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: October 28, 2010Date of Patent: October 8, 2013Assignee: Epson Imaging Devices CorporationInventors: Yutaka Kobashi, Takashi Toya
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Patent number: 8536568Abstract: 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: GrantFiled: August 26, 2008Date of Patent: September 17, 2013Assignees: SANYO Electric Co., Ltd., Epson Imaging Devices CorporationInventors: Kenji Tanase, Kazunobu Mameno, Norio Koma, Manabu Takemoto
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Patent number: 8537152Abstract: 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: June 19, 2012Date of Patent: September 17, 2013Assignee: Epson Imaging Devices CorporationInventors: Yutaka Kobashi, Takashi Toya