Patents by Inventor Tetsuya Kusuno
Tetsuya Kusuno 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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Publication number: 20180267307Abstract: A head-up display device includes: a light source; a liquid crystal display device that controls a transmittance of light from the light source and displays an image on a display member; an illuminance sensor that measures an environmental illuminance; and a control circuit that uses a measurement result of the illuminance sensor to control a brightness of the light source. The control circuit controls the brightness of the light source to prevent a border caused by a difference between a black brightness of a display area displayed on the display member by the liquid crystal display device and a black brightness of a background around the display area from being visually recognized.Type: ApplicationFiled: May 17, 2018Publication date: September 20, 2018Applicant: Ortus Technology Co., Ltd.Inventors: Tetsushi YOSHIDA, Tetsuya KUSUNO, Yayoi NAKAMURA, Kazuhiko OOSAWA, Minoru YAMAGUCHI
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Patent number: 10067343Abstract: A liquid crystal display device for a head-up display device includes: a light source unit including a reflection film provided on a substrate, and a light-emitting element; a liquid crystal display element including a first polarizer provided on the light source unit side, and a second polarizer disposed to be opposed to the first polarizer via a liquid crystal layer; a retardation plate provided between the reflection film and the first polarizer, and imparting a retardation of ?/4 to light; a reflective polarizer provided between the retardation plate and the first polarizer, and reflecting a light component which is parallel to a reflection axis; and a diffusion member provided between the reflective polarizer and the first polarizer, and diffusing light.Type: GrantFiled: June 16, 2016Date of Patent: September 4, 2018Assignee: ORTUS TECHNOLOGY CO., LTD.Inventors: Tetsushi Yoshida, Minoru Yamaguchi, Kazuhiko Oosawa, Tetsuya Kusuno
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Publication number: 20160299341Abstract: A liquid crystal display device for a head-up display device includes: a light source unit including a reflection film provided on a substrate, and a light-emitting element; a liquid crystal display element including a first polarizer provided on the light source unit side, and a second polarizer disposed to be opposed to the first polarizer via a liquid crystal layer; a retardation plate provided between the reflection film and the first polarizer, and imparting a retardation of ?/4 to light; a reflective polarizer provided between the retardation plate and the first polarizer, and reflecting a light component which is parallel to a reflection axis; and a diffusion member provided between the reflective polarizer and the first polarizer, and diffusing light.Type: ApplicationFiled: June 16, 2016Publication date: October 13, 2016Applicant: ORTUS TECHNOLOGY CO., LTD.Inventors: Tetsushi YOSHIDA, Minoru YAMAGUCHI, Kazuhiko OOSAWA, Tetsuya KUSUNO
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Patent number: 8223089Abstract: An image display apparatus includes an image display device having pixels to display right- and left-eye images for a three-dimensional image, a first and second optical shutter devices located on rear and front sides of the image display device. The pixels include pixel pairs that have pixels arranged across first light-shielding portions and that are arrayed across second light-shielding portions. The first shutter device includes first light-transmitting portions that cause image light beams passing through the pixels to strike the right and left eyes of a viewer located in a first direction, and first shutter portions to control transmission/shielding of light. The second shutter device includes second light-transmitting portions that cause image light beams passing through the pixels to strike right eyes and left eyes of viewers located in second and third directions, and second shutter portions to control transmission/shielding of light.Type: GrantFiled: March 25, 2010Date of Patent: July 17, 2012Assignee: Casio Computer Co., Ltd.Inventor: Tetsuya Kusuno
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Publication number: 20100177170Abstract: An image display apparatus includes an image display device having pixels to display right- and left-eye images for a three-dimensional image, a first and second optical shutter devices located on rear and front sides of the image display device. The pixels include pixel pairs that have pixels arranged across first light-shielding portions and that are arrayed across second light-shielding portions. The first shutter device includes first light-transmitting portions that cause image light beams passing through the pixels to strike the right and left eyes of a viewer located in a first direction, and first shutter portions to control transmission/shielding of light. The second shutter device includes second light-transmitting portions that cause image light beams passing through the pixels to strike right eyes and left eyes of viewers located in second and third directions, and second shutter portions to control transmission/shielding of light.Type: ApplicationFiled: March 25, 2010Publication date: July 15, 2010Applicant: CASIO COMPUTER CO., LTD.Inventor: Tetsuya KUSUNO
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Patent number: 7724209Abstract: An image display apparatus includes an image display device having pixels to display right- and left-eye images for a three-dimensional image, a first and second optical shutter devices located on rear and front sides of the image display device. The pixels include pixel pairs that have pixels arranged across first light-shielding portions and that are arrayed across second light-shielding portions. The first shutter device includes first light-transmitting portions that cause image light beams passing through the pixels to strike the right and left eyes of a viewer located in a first direction, and first shutter portions to control transmission/shielding of light. The second shutter device includes second light-transmitting portions that cause image light beams passing through the pixels to strike right eyes and left eyes of viewers located in second and third directions, and second shutter portions to control transmission/shielding of light.Type: GrantFiled: March 29, 2007Date of Patent: May 25, 2010Assignee: Casio Computer Co., Ltd.Inventor: Tetsuya Kusuno
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Patent number: 7522810Abstract: A scanning head includes a surface emitting part array panel which has an array of surface emitting parts to emit light A plurality of light guide parts are respectively opposite to the surface emitting parts. Each of light guide parts has an entrance plane to receive the light from the surface emitting part, a reflection plane to reflect the light from the entrance plane, and an exit plane to emit the light from the reflection plane.Type: GrantFiled: February 9, 2006Date of Patent: April 21, 2009Assignee: Casio Computer Co., Ltd.Inventors: Jun Ogura, Yasuhiro Daiku, Tomoyuki Shirasaki, Tetsuya Kusuno
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Publication number: 20070229451Abstract: A surface illuminant device to be set as a backlight of a liquid crystal display panel has a light guide plate and LEDs. The LEDs each include LED chips for emitting rays of light having wavelengths of red, green, and blue, which are each driven by an LED drive control circuit. The LED drive control circuit supplies drive currents to the respective LED chips through an LED driver, according to the ratio of light emission intensities among rays of light to be emitted from the LED chips, which is calculated by a computing unit based on a ratio among transmissivities which stored memory, when passing through the liquid crystal display panel, of the rays of light having their own wavelengths, and a memory-stored ratio of intensities among rays of light having their own wavelengths required in order that a white display is obtained by each LED itself.Type: ApplicationFiled: March 28, 2007Publication date: October 4, 2007Applicant: Casio Computer Co., Ltd.Inventor: Tetsuya Kusuno
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Publication number: 20070229654Abstract: An image display apparatus includes an image display device having pixels to display right- and left-eye images for a three-dimensional image, a first and second optical shutter devices located on rear and front sides of the image display device. The pixels include pixel pairs that have pixels arranged across first light-shielding portions and that are arrayed across second light-shielding portions. The first shutter device includes first light-transmitting portions that cause image light beams passing through the pixels to strike the right and left eyes of a viewer located in a first direction, and first shutter portions to control transmission/shielding of light. The second shutter device includes second light-transmitting portions that cause image light beams passing through the pixels to strike right eyes and left eyes of viewers located in second and third directions, and second shutter portions to control transmission/shielding of light.Type: ApplicationFiled: March 29, 2007Publication date: October 4, 2007Applicant: Casio Computer Co., Ltd.Inventor: Tetsuya Kusuno
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Publication number: 20060181603Abstract: A scanning head includes a surface emitting part array panel which has an array of surface emitting parts to emit light A plurality of light guide parts are respectively opposite to the surface emitting parts. Each of light guide parts has an entrance plane to receive the light from the surface emitting part, a reflection plane to reflect the light from the entrance plane, and an exit plane to emit the light from the reflection plane.Type: ApplicationFiled: February 9, 2006Publication date: August 17, 2006Applicant: Casio Computer Co., Ltd.Inventors: Jun Ogura, Yasuhiro Daiku, Tomoyuki Shirasaki, Tetsuya Kusuno
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Patent number: 6704077Abstract: A liquid crystal display device is provided which includes a scattering/transparent liquid crystal cell having a liquid crystal layer for controlling incident light in a scattered or transparent state in accordance with an applied electric field, and a selective reflector arranged on a side of the liquid crystal layer opposite to a side where observation is performed. The reflector has reflecting characteristics to cause light, which has come incident from a direction within a predetermined range of a viewing angle that allows observation of the liquid crystal cell, to reflect in a direction outside the range of the viewing angle on the side where observation is performed.Type: GrantFiled: August 26, 1999Date of Patent: March 9, 2004Assignee: Casio Computer Co., Ltd.Inventors: Tetsushi Yoshida, Toshiomi Ono, Tetsuya Kusuno