Patents by Inventor Kei Oyobe
Kei Oyobe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9347644Abstract: A lens cap (3) is arranged to cover a light-emitting surface (23) of a light source (2), the lens thereby guiding light from the light source (2) in oblique directions relative to the light source (2). The lens cap (3) includes, in a planar view, a light transmitting region (33) and a light blocking region (34), the light transmitting region (33) divided into a plurality of light transmitting regions by the light blocking region (34) so that the light from the light source (2) passes through the plurality of light transmitting regions (33) and is separated into beams traveling in different directions.Type: GrantFiled: April 16, 2012Date of Patent: May 24, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Ryoh Araki, Kei Oyobe, Yoshinobu Hirayama, Toshihiro Yanagi
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Publication number: 20140286019Abstract: A lens cap (3) is arranged to cover a light-emitting surface (23) of a light source (2), the lens thereby guiding light from the light source (2) in oblique directions relative to the light source (2). The lens cap (3) includes, in a planar view, a light transmitting region (33) and a light blocking region (34), the light transmitting region (33) divided into a plurality of light transmitting regions by the light blocking region (34) so that the light from the light source (2) passes through the plurality of light transmitting regions (33) and is separated into beams traveling in different directions.Type: ApplicationFiled: April 16, 2012Publication date: September 25, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Ryoh Araki, Kei Oyobe, Yoshinobu Hirayama, Toshihiro Yanagi
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Publication number: 20140152783Abstract: The display device (1) displays, based on at least information indicative of a visual line direction (20) of an observer (2), a three-dimensional video image (18) which (i) varies depending on the visual line direction (20) and (ii) is directing to the observer (2). The observer (2) can view the three-dimensional video image (18) of a three-dimensional object from various angles as if the observer (2) viewed the actual three-dimensional object from various angles.Type: ApplicationFiled: August 29, 2012Publication date: June 5, 2014Applicant: SHARP KABUSHIKI KAISHAInventors: Kei Oyobe, Toshihiro Yanagi, Ryoh Araki, Shigenori Tanaka, Yoshinobu Hirayama, Kryoshi Nakagawa
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Publication number: 20130162934Abstract: This liquid crystal display device 1 has a backlight 4 and a liquid crystal panel 5 disposed on the light-emitting surface side of the backlight 4. The liquid crystal display device 1 further has a drive unit (not shown) for driving the liquid crystal panel 5. The backlight 4 is provided with at least one blue LED 2a for emitting blue light, and at least one white LED 2b for emitting white light. For each pixel, the liquid crystal panel 5 is provided with at least one red filter 10R that transmits light in the red wavelength region, at least one green filter 10G that transmits light in the green wavelength region, and at least one white filter 10W that transmits light in all wavelength regions.Type: ApplicationFiled: August 29, 2011Publication date: June 27, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Yoshinobu Hirayama, Toshihiro Yanagi, Shigenori Tanaka, Ryoh Araki, Kei Oyobe
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Publication number: 20110310072Abstract: A display part (1) for detecting an external input by means of a photo sensor (8) includes an active matrix substrate (4) including the photo sensor (8), an opposite substrate (6) facing the active matrix substrate (4), a liquid crystal layer (5) interposed between the active matrix substrate (4) and the opposite substrate (6), and a protective plate (3) that covers the surface of the opposite substrate (6) on the side opposite to the surface thereof adjacent to the liquid crystal layer (5). A non-flat portion (7) is formed on the protective plate (3) in a region that is a part of the surface on the side opposite to the surface contacting with the opposite substrate (6) and that faces the photo sensor (8), whereby a position on which contact is made from outside can be recognized more clearly.Type: ApplicationFiled: October 16, 2009Publication date: December 22, 2011Applicant: SHARP KABUSHIKI KAISHAInventors: Kei Oyobe, Masahiro Adachi
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Publication number: 20110221707Abstract: A plurality of pixel circuits are provided on a TFT-side substrate 11, light blocking layers 15 and light blocking layer openings 16 are provided between the pixel circuits, and optical sensors 17 are arranged at positions where the light blocking layers 15 are provided. Light blocking layers 18 are also provided at opposing portions of the opposite substrate 12, and light reflecting units 19 are provided correspondingly to the optical sensors 17. In the normal state, backlight BL that has passed through the TFT-side substrate 11 is reflected by the light reflecting unit 19 and falls on the optical sensor 17. When the front surface of the liquid crystal panel is pressed, the two substrates come close to each other, the light reflection direction in the light reflecting unit 19 changes, and the intensity of light detected by the optical sensor 17 changes.Type: ApplicationFiled: June 25, 2009Publication date: September 15, 2011Applicant: SHARP KABUSHIKI KAISHAInventors: Kei Oyobe, Masahiro Adachi
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Publication number: 20100321355Abstract: Provided are a display panel including an optical sensor that can correct output of an optical sensor according to a change in the environmental temperature, and a display device using the same. The display panel including an optical sensor has an active matrix substrate (100) having a pixel region (1) in which pixels are disposed in a matrix. An optical sensor (11) is formed in at least a portion of the pixels in the pixel region (1). The display panel including an optical sensor includes a temperature sensor (9) that detects the ambient temperature of the optical sensor (11), and a signal processing circuit (8) that corrects output of the optical sensor (11) according to the ambient temperature detected by the temperature sensor (9).Type: ApplicationFiled: January 29, 2009Publication date: December 23, 2010Inventors: Toshimitsu Gotoh, Kei Oyobe, Akizumi Fujioka, Akinori Kubota
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Publication number: 20100283765Abstract: A liquid crystal panel with built-in sensors 11 includes, in a pixel array 17, a plurality of pixel circuits 1 and a plurality of optical sensors 2 which are arranged two-dimensionally. Infrared light transmitting filters 3 that allow infrared light to pass therethrough and cut off visible light are respectively provided in paths of light entering the optical sensors 2. Accordingly, an image obtained by the optical sensors 2 is prevented from being influenced by visible light included in outside light or backlight light and thus a touch position is detected with high accuracy, based on an image that is not influenced by visible light included in a large amount in outside light or backlight light. Instead of the infrared light transmitting filters 3, a light-shielding film having the same property 3 may be used.Type: ApplicationFiled: February 16, 2009Publication date: November 11, 2010Applicant: SHARP KABUSHIKI KAISHAInventors: Toshimitsu Gotoh, Akizumi Fujioka, Akinori Kubota, Kei Oyobe
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Publication number: 20100271335Abstract: A liquid crystal panel 11 with built-in sensors includes, in a pixel array 18, a plurality of pixel circuits and a plurality of optical sensors arranged two-dimensionally. When the liquid crystal panel 11 is formed of CG silicon, the light receiving sensitivity of the optical sensor is high for blue light but becomes low for red or green light. A display data processing unit 12 corrects a gradation having a value that is less than or equal to a predetermined value, to high for a blue component contained in display data D1. The display data processing unit 12 corrects only data displayed in a recognition area set in a display screen out of the blue component. Thus, even when the display image is dark, it can be converted to an image easy to recognize, a touch position can be detected properly irrespective of the display image, and a change of the display image by correction can be limited to the change of a specific color in a specific area.Type: ApplicationFiled: December 10, 2008Publication date: October 28, 2010Inventors: Toshimitsu Gotoh, Akizumi Fujioka, Kei Oyobe, Takahiro Nakayama
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Patent number: 6141077Abstract: A liquid crystal display is described which includes a pair of transparent substrates disposed opposite each other sandwiching a liquid crystal layer therebetween, with a transparent electrode and an alignment film formed on the liquid crystal layer side of each of the substrates. The transparent electrodes disposed opposite each other in pairs are at two or more different spacings at least within one display area of a pixel.Type: GrantFiled: May 26, 1999Date of Patent: October 31, 2000Assignee: Sharp Kabushiki KaishaInventors: Mitsuaki Hirata, Akihiro Nammatsu, Kei Oyobe, Shigeaki Mizushima, Noriko Watanabe, Shingo Jogan
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Patent number: 5953093Abstract: A liquid crystal display is described which includes a pair of transparent substrates disposed opposite each other sandwiching a liquid crystal layer therebetween, with a transparent electrode and an alignment film formed on the liquid crystal layer side of each of the substrates. The transparent electrodes disposed opposite each other in pairs are at two or more different spacings at least within one display area of a pixel.Type: GrantFiled: November 10, 1998Date of Patent: September 14, 1999Assignee: Sharp Kabushiki KaishaInventors: Mitsuaki Hirata, Akihiro Nammatsu, Kei Oyobe, Shigeaki Mizushima, Noriko Watanabe, Shingo Jogan
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Patent number: 5872611Abstract: A liquid crystal display is described which includes a pair of transparent substrates disposed opposite each other sandwiching a liquid crystal layer therebetween, with a transparent electrode and an alignment film formed on the liquid crystal layer side of each of the substrates. The transparent electrodes disposed opposite each other in pairs are at two or more different spacings at least within one display area of a pixel.Type: GrantFiled: March 19, 1997Date of Patent: February 16, 1999Assignee: Sharp Kabushiki KaishaInventors: Mitsuaki Hirata, Akihiro Nammatsu, Kei Oyobe, Shigeaki Mizushima, Noriko Watanabe, Shingo Jogan
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Patent number: 5855968Abstract: A liquid crystal display device which includes a pair of substrates; a liquid crystal layer sandwiched between the pair of substrates; and an electrode for applying a voltage to the liquid crystal layer is disclosed. The liquid crystal layers includes liquid crystal molecules, and is divided into a plurality of regions having different twist angles from one another.Type: GrantFiled: October 22, 1997Date of Patent: January 5, 1999Assignee: Sharp Kabushiki KaishaInventors: Mitsuaki Hirata, Akihiro Nammatsu, Noriko Watanabe, Shigeaki Mizushima, Seiji Makino, Hiroko Iwagoe, Kei Oyobe
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Patent number: 5689322Abstract: A liquid crystal display device which includes a pair of substrates; a liquid crystal layer sandwiched between the pair of substrates; and an electrode for applying a voltage to the liquid crystal layer is disclosed. The liquid crystal layers includes liquid crystal molecules, and is divided into a plurality of regions having different twist angles from one another.Type: GrantFiled: July 22, 1994Date of Patent: November 18, 1997Assignee: Sharp Kabushiki KaishaInventors: Mitsuaki Hirata, Akihiro Nammatsu, Noriko Watanabe, Shigeaki Mizushima, Seiji Makino, Hiroko Iwagoe, Kei Oyobe
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Patent number: 5652634Abstract: A liquid crystal display device which includes a pair of substrates; a liquid crystal layer sandwiched between the pair of substrates; and an electrode for applying a voltage to the liquid crystal layer is disclosed. The liquid crystal layers includes liquid crystal molecules, and is divided into a plurality of regions having different twist angles from one another.Type: GrantFiled: May 30, 1995Date of Patent: July 29, 1997Assignee: Sharp Kabushiki KaishaInventors: Mitsuaki Hirata, Akihiro Nammatsu, Noriko Watanabe, Shigeaki Mizushima, Seiji Makino, Hiroko Iwagoe, Kei Oyobe
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Patent number: 5594570Abstract: A liquid crystal display device which includes a pair of substrates; a liquid crystal layer sandwiched between the pair of substrates; and an electrode for applying a voltage to the liquid crystal layer is disclosed. The liquid crystal layers includes liquid crystal molecules, and is divided into a plurality of regions having different twist angles from one another.Type: GrantFiled: May 30, 1995Date of Patent: January 14, 1997Assignee: Sharp Kabushiki KaishaInventors: Mitsuaki Hirata, Akihiro Nammatsu, Noriko Watanabe, Shigeaki Mizushima, Seiji Makino, Hiroko Iwagoe, Kei Oyobe