Patents by Inventor Tetsuya Iizuka
Tetsuya Iizuka 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: 20150162352Abstract: According to one embodiment, a wiring substrate includes a pad group of a first pad to supply a power source voltage of low level, a second pad to supply a power source voltage of high level, and a third pad to supply a necessary signal for displaying an image, a common line, a first connection line to connect the first pad with the common line, a second connection line to connect the second pad with the common line, and a third connection line to connect the third pad with the common line, wherein the first connection line and the second connection line are formed of polysilicon in which no impurity is doped, and the third connection line and the common line are formed of polysilicon in which an impurity is doped.Type: ApplicationFiled: December 4, 2014Publication date: June 11, 2015Applicant: Japan Display Inc.Inventors: Takamitsu Fujimoto, Tetsuya Iizuka
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Patent number: 9041827Abstract: The invention makes it possible to perform effective A/D conversion on pixel signals read from a pixel array part, to achieve a reduction in power consumption and reductions in the size and the price of an image pickup device as well as simplification of the construction of the device, and to realize a high-quality image output. The device includes an pixel array part having a plurality of unit pixels, a CDS (correlated double sampling) circuit, and an A/D converter. A pixel signal read from a pixel array part via a signal line is subjected to CDS processing (noise elimination processing) in the CDS circuit, and then this pixel signal is inputted into the A/D converter which performs A/D conversion on the pixel signal. The A/D converter includes a ?? modulator and a digital filter to perform highly accurate A/D conversion. The invention can also be applied to a construction in which an A/D converter is provided at the front stage of the CDS circuit.Type: GrantFiled: January 19, 2007Date of Patent: May 26, 2015Assignee: Sony CorporationInventors: Hiroki Sato, Keiji Mabuchi, Nobuo Nakamura, Tetsuya Iizuka
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Patent number: 9025101Abstract: According to one embodiment, a liquid crystal display includes a first substrate including a gate wire, a source wire intersecting with the gate wire, a pixel electrode with a contact portion and a main pixel electrode extending from the contact portion, and a semiconductor layer arranged under the source wire and intersecting with the gate wire and bending under the source wire so as to extend to below the contact portion, a second substrate opposed to the array substrate, and a liquid crystal layer between the first and second substrate. The semiconductor layer is electrically connected to the source wire on one side of a position of the gate wire and to the contact portion on another side of the gate wire.Type: GrantFiled: August 1, 2012Date of Patent: May 5, 2015Assignee: Japan Display Inc.Inventors: Katsuhiro Hoshina, Tetsuya Iizuka, Masato Nakamura, Kazuya Daishi
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Publication number: 20150037940Abstract: In one embodiment, a liquid crystal display panel includes an array substrate and a counter substrate each having a display region and a peripheral region arranged adjacent to the display region. A resin layer is formed either one of the array substrate and the counter substrate. A protrusion in the shape of a wall is arranged on the resin layer with a gap between the protrusion and the substrate opposing the protrusion. A seal material is formed between the array substrate and the counter substrate, and arranged between a peripheral portion of the display region and the protrusion for attaching the array substrate and the counter substrate. A liquid crystal layer is formed in a surrounded region by the array substrate, the counter substrate and the seal material.Type: ApplicationFiled: October 22, 2014Publication date: February 5, 2015Applicant: Japan Display Inc.Inventors: Katsuhiro Hoshina, Tetsuya Iizuka
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Publication number: 20140368778Abstract: In one embodiment, a first shield electrode and a second shield electrode are arranged on a first substrate. A first source line and a second source line are arranged facing the first and second shield electrodes through an insulating layer, respectively. A first main common electrode and a second main common electrode are formed facing the first and second source lines through an insulating layer, respectively. A main pixel electrode is formed so as to locate between the first and second main common electrodes. A second substrate includes a third main common electrode and a fourth main common electrode facing the first and second main common electrodes, respectively. A liquid crystal layer is held between the first and second substrates. The first, second, third and fourth main common electrodes are set to the same electric potential.Type: ApplicationFiled: September 2, 2014Publication date: December 18, 2014Applicant: JAPAN DISPLAY INC.Inventors: Koji YAMAMOTO, Tetsuya IIZUKA
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Patent number: 8902397Abstract: In one embodiment, a liquid crystal display panel includes an array substrate and a counter substrate each having a display region and a peripheral region arranged adjacent to the display region. A resin layer is formed either one of the array substrate and the counter substrate. A protrusion in the shape of a wall is arranged on the resin layer with a gap between the protrusion and the substrate opposing the protrusion. A seal material is formed between the array substrate and the counter substrate, and arranged between a peripheral portion of the display region and the protrusion for attaching the array substrate and the counter substrate. A liquid crystal layer is formed in a surrounded region by the array substrate, the counter substrate and the seal material.Type: GrantFiled: October 18, 2011Date of Patent: December 2, 2014Assignee: Japan Display Inc.Inventors: Katsuhiro Hoshina, Tetsuya Iizuka
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Patent number: 8896738Abstract: The device includes an pixel array part having a plurality of unit pixels, a CDS (correlated double sampling) circuit, and an A/D converter. A pixel signal read from a pixel array part via a signal line is subjected to CDS processing (noise elimination processing) in the CDS circuit, and then this pixel signal is inputted into the A/D converter which performs A/D conversion on the pixel signal. The A/D converter includes a ?? modulator and a digital filter to perform highly accurate A/D conversion. The invention can also be applied to a construction in which an A/D converter is provided at the front stage of the CDS circuit.Type: GrantFiled: October 15, 2013Date of Patent: November 25, 2014Assignee: Sony CorporationInventors: Hiroki Sato, Keiji Mabuchi, Nobuo Nakamura, Tetsuya Iizuka
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Publication number: 20140339735Abstract: A cyclic-olefin-based thermoplastic resin for thermal imprint to be used in the production of a sheet or a film which contains at least one of skeletons represented by the following chemical equation 1 or the following chemical equation 2 in a main chain. The glass transition temperature Tg (° C.) and the value ([M]) of MFR at 260° C. satisfy the following equation 1, and [M]<30. The thermal imprint characteristics (transferability, mold release characteristic, and the like) are superior and the productivity (throughput) is improved.Type: ApplicationFiled: August 1, 2014Publication date: November 20, 2014Inventors: Takemori Toshifumi, Yoshiaki Takaya, Takahito Mita, Tetsuya Iizuka, Yuji Hashima, Takahisa Kusuura, Mitsuru Fujii, Takuji Taguchi, Anupam Mitra
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Patent number: 8867006Abstract: In one embodiment, a first shield electrode and a second shield electrode are arranged on a first substrate. A first source line and a second source line are arranged facing the first and second shield electrodes through an insulating layer, respectively. A first main common electrode and a second main common electrode are formed facing the first and second source lines through an insulating layer, respectively. A main pixel electrode is formed so as to locate between the first and second main common electrodes. A second substrate includes a third main common electrode and a fourth main common electrode facing the first and second main common electrodes, respectively. A liquid crystal layer is held between the first and second substrates. The first, second, third and fourth main common electrodes are set to the same electric potential.Type: GrantFiled: February 7, 2013Date of Patent: October 21, 2014Assignee: Japan Display Inc.Inventors: Koji Yamamoto, Tetsuya Iizuka
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Patent number: 8853610Abstract: An imaging device includes: a plurality of first pixels, each including a photodiode and in-pixel transistors and having a light-blocking metal film blocking part of light entering the respective first pixels; and a plurality of second pixels, each including a photodiode and in-pixel transistors and having no light-blocking metal film; and each of the photodiodes included in the first pixels or the second pixels is surrounded with a metal frame.Type: GrantFiled: September 11, 2012Date of Patent: October 7, 2014Assignee: Sony CorporationInventors: Yudai Adachi, Tetsuya Iizuka
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Patent number: 8721950Abstract: A resin for thermal imprint include a cyclic-olefin-based thermoplastic resin that contains at least one of skeletons represented by the following chemical equation 1 or the following chemical equation 2 in a main chain. The glass transition temperature Tg (° C.) and the value ([M]) of MFR at 260° C. satisfy the following equation 1, and [M]>10. The thermal imprint characteristics (transferability, mold release characteristic, and the like) are superior and the productivity (throughput) is improved. Tg(° C.Type: GrantFiled: November 1, 2012Date of Patent: May 13, 2014Assignees: Scivax Corporation, Maruzen Petrochemical Co., Ltd.Inventors: Takemori Toshifumi, Yoshiaki Takaya, Takahito Mita, Tetsuya Iizuka, Yuji Hashima, Takahisa Kusuura, Mitsuru Fujii, Takuji Taguchi, Anupam Mitra
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Publication number: 20140071389Abstract: According to one embodiment, a display panel includes an array substrate and a counter substrate. The array substrate includes an inorganic insulating film, a first wiring line, a second wiring line, an organic insulating film, a slit and a moisture-proof member. The slit is formed to extend through the organic insulating film between the first wiring line and the second wiring line. The moisture-proof member is filled in the slit and is in contact with the inorganic insulating film.Type: ApplicationFiled: September 5, 2013Publication date: March 13, 2014Applicant: Japan Display Inc.Inventors: Kazuya Daishi, Tetsuya Iizuka
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Publication number: 20140043514Abstract: The device includes an pixel array part having a plurality of unit pixels, a CDS (correlated double sampling) circuit, and an A/D converter. A pixel signal read from a pixel array part via a signal line is subjected to CDS processing (noise elimination processing) in the CDS circuit, and then this pixel signal is inputted into the A/D converter which performs A/D conversion on the pixel signal. The A/D converter includes a ?? modulator and a digital filter to perform highly accurate A/D conversion. The invention can also be applied to a construction in which an A/D converter is provided at the front stage of the CDS circuit.Type: ApplicationFiled: October 15, 2013Publication date: February 13, 2014Applicant: SONY CORPORATIONInventors: Hiroki Sato, Keiji Mabuchi, Nobuo Nakamura, Tetsuya Iizuka
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Publication number: 20130314635Abstract: An array substrate includes a gate line extending in a first direction, a source line extending in a second direction orthogonally crossing the first direction and an auxiliary capacitance line having a trunk portion extending in the first direction so as to cross the source line and a branch portion branched from the trunk portion and extending along the source line. A switching element includes a drain line arranged under the auxiliary capacitance line so as to face the trunk portion and the branch portion thereof. A pixel electrode includes a main pixel electrode extending substantially in parallel to the source line and a contact portion electrically connected with the drain line. A counter substrate includes a couple of main common electrodes extending substantially in parallel to the main pixel electrode on the both sides sandwiching the main pixel electrode.Type: ApplicationFiled: May 17, 2013Publication date: November 28, 2013Applicant: Japan Disply Inc.Inventors: Arihiro TAKEDA, Jin Hirosawa, Tetsuya IIzuka, Hirokazu Morimoto
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Patent number: 8587688Abstract: Solid-state image pickup device and processing method, with A/D conversion on pixel signals read from a pixel array part that effectively achieves reductions in power consumption, size and price while retaining a high-quality image output. The device includes a pixel array part, a CDS (correlated double sampling) circuit, and an A/D converter. A pixel signal read via a signal line is subjected to noise elimination processing in the CDS circuit, and is then inputted into the A/D converter. The A/D converter includes a ?? modulator and a digital filter to perform highly accurate A/D conversion. The A/D converter can also be provided at the front stage of the CDS circuit.Type: GrantFiled: October 17, 2011Date of Patent: November 19, 2013Assignee: Sony CorporationInventors: Hiroki Sato, Keiji Mabuchi, Nobuo Nakamura, Tetsuya Iizuka
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Publication number: 20130278852Abstract: In one embodiment, a first shield electrode and a second shield electrode are arranged on a first substrate. A first source line and a second source line are arranged facing the first and second shield electrodes through an insulating layer, respectively. A first main common electrode and a second main common electrode are formed facing the first and second source lines through an insulating layer, respectively. A main pixel electrode is formed so as to locate between the first and second main common electrodes. A second substrate includes a third main common electrode and a fourth main common electrode facing the first and second main common electrodes, respectively. A liquid crystal layer is held between the first and second substrates. The first, second, third and fourth main common electrodes are set to the same electric potential.Type: ApplicationFiled: February 7, 2013Publication date: October 24, 2013Inventors: Koji YAMAMOTO, Tetsuya Iizuka
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Patent number: 8547511Abstract: A liquid crystal display panel includes a plurality of pixels arranged in a first direction and a second direction orthogonally crossing with the first direction. A first alignment pattern is formed in the counter electrode. The first alignment pattern faces the pixel electrode and extending in the first direction. A second alignment pattern is formed in the counter electrode. The second alignment pattern also faces the pixel electrode and extends in the second direction intersecting with the first alignment pattern. An expanding alignment portion is arranged at the intersecting portion of the first alignment pattern and the second alignment pattern. The first and second alignment patterns are formed of alignment slits or alignment protrusions arranged in the counter substrate.Type: GrantFiled: July 12, 2011Date of Patent: October 1, 2013Assignee: Japan Display Central Inc.Inventors: Taiyo Tokuoka, Tetsuya Iizuka, Kazuya Daishi, Jin Hirosawa
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Publication number: 20130161486Abstract: An imaging device includes: a plurality of first pixels, each including a photodiode and in-pixel transistors and having a light-blocking metal film blocking part of light entering the respective first pixels; and a plurality of second pixels, each including a photodiode and in-pixel transistors and having no light-blocking metal film; and each of the photodiodes included in the first pixels or the second pixels is surrounded with a metal frame.Type: ApplicationFiled: September 11, 2012Publication date: June 27, 2013Applicant: SONY CORPORATIONInventors: Yudai Adachi, Tetsuya Iizuka
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Patent number: 8462239Abstract: A solid-state imaging device and an electronic device that includes the solid-state imaging device prevents shifting of a photoelectric conversion region due to long-wavelength light passing to subsurface portions of the solid-state imagine device. The device include a photo diode having an upper layer of a first conductivity type formed over a second layer having an accumulation region of a second conductivity type. The upper layer is a light-receiving portion of the photodiode. A multi-stage element isolation layer is included and has a plurality of layers of the first conductivity type, such that a first lateral side of a first stage of the multi-stage layer abuts the accumulation portion, and a second stage of the multi-stage layer is separated by a width W from the accumulation region of an intermediate portion of a second conductivity type.Type: GrantFiled: June 24, 2010Date of Patent: June 11, 2013Assignee: Sony CorporationInventors: Kaoru Fujisawa, Tetsuya Iizuka, Kimihiko Sato
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Publication number: 20130038829Abstract: According to one embodiment, a liquid crystal display includes a first substrate including a gate wire, a source wire intersecting with the gate wire, a pixel electrode with a contact portion and a main pixel electrode extending from the contact portion, and a semiconductor layer arranged under the source wire and intersecting with the gate wire and bending under the source wire so as to extend to below the contact portion, a second substrate opposed to the array substrate, and a liquid crystal layer between the first and second substrate. The semiconductor layer is electrically connected to the source wire on one side of a position of the gate wire and to the contact portion on another side of the gate wire.Type: ApplicationFiled: August 1, 2012Publication date: February 14, 2013Inventors: Katsuhiro HOSHINA, Tetsuya Iizuka, Masato Nakamura, Kazuya Daishi