Patents by Inventor Ryouichi Ootsu
Ryouichi Ootsu 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: 11333942Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a display panel that includes four sides. One of the four sides has a cut edge. The display panel includes a display region in which an image is to be displayed; a non-display region that surrounds the display region and that includes a non-light transmitting layer that restricts light transmission therethrough; and a plurality of slits disposed in the non-light transmitting layer. An edge of the non-light transmitting layer is co-planar with the cut edge. The plurality of slits are parallel to the cut edge.Type: GrantFiled: April 9, 2020Date of Patent: May 17, 2022Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Ryouichi Ootsu, Hiroaki Iwato
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Publication number: 20200233272Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a display panel that includes four sides. One of the four sides has a cut edge. The display panel includes a display region in which an image is to be displayed; a non-display region that surrounds the display region and that includes a non-light transmitting layer that restricts light transmission therethrough; and a plurality of slits disposed in the non-light transmitting layer. An edge of the non-light transmitting layer is co-planar with the cut edge. The plurality of slits are parallel to the cut edge.Type: ApplicationFiled: April 9, 2020Publication date: July 23, 2020Inventors: Ryouichi OOTSU, Hiroaki IWATO
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Patent number: 10656481Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a display panel that includes four sides. One of the four sides has a cut edge. The display panel includes a display region in which an image is to be displayed; a non-display region that surrounds the display region and that includes a non-light transmitting layer that restricts light transmission therethrough; and a plurality of slits disposed in the non-light transmitting layer. An edge of the non-light transmitting layer is co-planar with the cut edge. The plurality of slits are parallel to the cut edge.Type: GrantFiled: March 30, 2018Date of Patent: May 19, 2020Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Ryouichi Ootsu, Hiroaki Iwato
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Publication number: 20190302547Abstract: A liquid crystal display device is disclosed. The liquid crystal display device includes a display panel that includes four sides. One of the four sides has a cut edge. The display panel includes a display region in which an image is to be displayed; a non-display region that surrounds the display region and that includes a non-light transmitting layer that restricts light transmission therethrough; and a plurality of slits disposed in the non-light transmitting layer. An edge of the non-light transmitting layer is co-planar with the cut edge. The plurality of slits are parallel to the cut edge.Type: ApplicationFiled: March 30, 2018Publication date: October 3, 2019Inventors: Ryouichi OOTSU, Hiroaki IWATO
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Patent number: 8089439Abstract: A liquid crystal display device includes a first substrate and a second substrate with a liquid crystal layer therebetween, a seal material joining the first substrate and the second substrate to each other, a plurality of gate signal lines and a plurality of drain signal lines, wherein the gate signal lines and the drain signal lines being formed on the first substrate, and a plurality of drive circuits connected to the first substrate. Data transmission signal lines are formed on the first substrate, wherein the data transmission signal lines are connected electrically between the drive circuits, and at least a part of at least one of the data transmission signal lines is positioned between the seal material and the first substrate.Type: GrantFiled: July 16, 2008Date of Patent: January 3, 2012Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Ryouichi Ootsu, Kimitoshi Ougiichi, Eisaku Hazawa
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Patent number: 7821609Abstract: In a liquid crystal display device, each pixel region formed over a liquid crystal side of one substrate out of respective substrates which are arranged to face each other with liquid crystal therebetween includes pixel electrodes to which a video signal is supplied from a drain signal line through a switching element driven in response to a scanning signal from a gate signal line and capacitive elements which are formed between the pixel electrodes and a capacitive signal line by way of a dielectric film. In such a constitution, the pixel region is divided into a plurality of regions, and video signals are supplied to respective pixel electrodes and capacitive elements in respective regions through paths which are branched from the switching element.Type: GrantFiled: March 5, 2007Date of Patent: October 26, 2010Assignee: Hitachi Displays, Ltd.Inventors: Ryouichi Ootsu, Takanori Nakayama, Takahiro Miyazaki
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Publication number: 20100237896Abstract: A liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer formed between the first substrate and the second substrate. A pixel area is formed on the first substrate, and a driver is formed on the substrate and electrically connected with the pixel area. A plurality of lines are electrically connected with the driver, and a plurality of pads are electrically connected with the plurality of lines. The plurality of pads are formed in a straight line and are not electrically connected with each other except for the electric connection with the plurality of lines.Type: ApplicationFiled: June 2, 2010Publication date: September 23, 2010Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa
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Patent number: 7787096Abstract: A liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer formed between the first substrate and the second substrate. A pixel area is formed on the first substrate, and a driver is formed on the substrate and electrically connected with the pixel area. A plurality of lines are electrically connected with the driver, and a plurality of pads are electrically connected with the plurality of lines. The plurality of pads are formed in a straight line and are not electrically connected with each other except for the electric connection with the plurality of lines.Type: GrantFiled: April 2, 2008Date of Patent: August 31, 2010Assignee: Hitachi, Ltd.Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa
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Publication number: 20080284966Abstract: A liquid crystal display device includes a first substrate and a second substrate with a liquid crystal layer therebetween, a seal material joining the first substrate and the second substrate to each other, a plurality of gate signal lines and a plurality of drain signal lines, wherein the gate signal lines and the drain signal lines being formed on the first substrate, and a plurality of drive circuits connected to the first substrate. Data transmission signal lines are formed on the first substrate, wherein the data transmission signal lines are connected electrically between the drive circuits, and at least a part of at least one of the data transmission signal lines is positioned between the seal material and the first substrate.Type: ApplicationFiled: July 16, 2008Publication date: November 20, 2008Inventors: Ryouichi Ootsu, Kimitoshi Ougiichi, Eisaku Hazawa
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Publication number: 20080186441Abstract: A liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer formed between the first substrate and the second substrate. A pixel area is formed on the first substrate, and a driver is formed on the substrate and electrically connected with the pixel area. A plurality of lines are electrically connected with the driver, and a plurality of pads are electrically connected with the plurality of lines. The plurality of pads are formed in a straight line and are not electrically connected with each other except for the electric connection with the plurality of lines.Type: ApplicationFiled: April 2, 2008Publication date: August 7, 2008Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa
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Patent number: 7403193Abstract: When one signal line group and another signal line group, which differs from the one signal line group in length, are arranged adjacent to each other, a disconnection due to static electricity which is caused by a spark generated between a signal line of the one signal line group and a signal line of the other signal line group can be prevented. For this purpose, the image signal line is specifically configured such that, on a substrate, a first signal line group in which a plurality of first signal lines are arranged in parallel and a second signal line group in which a plurality of second signal lines are arranged in parallel in a region arranged adjacent to the first signal line group are formed, and dummy lines are arranged between the first signal line group and the second signal line group.Type: GrantFiled: October 30, 2003Date of Patent: July 22, 2008Assignee: Hitachi Displays, Ltd.Inventors: Ryouichi Ootsu, Kimitoshi Ougiichi, Eisaku Hazawa
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Patent number: 7355659Abstract: A display device includes a substrate, a display area and a peripheral area formed on the substrate, a plurality of signal lines and a plurality of scan lines arranged in the display area, and six signal line common lines provided in said peripheral area. Each signal line common line of the six signal line common lines is connected every six signal lines. At least two scan line common lines are provided in the peripheral area, and each scan line common line of at least two scan line common lines is connected every predetermined of scan lines.Type: GrantFiled: October 23, 2006Date of Patent: April 8, 2008Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa
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Publication number: 20070153193Abstract: In a liquid crystal display device, each pixel region formed over a liquid crystal side of one substrate out of respective substrates which are arranged to face each other with liquid crystal therebetween includes pixel electrodes to which a video signal is supplied from a drain signal line through a switching element driven in response to a scanning signal from a gate signal line and capacitive elements which are formed between the pixel electrodes and a capacitive signal line by way of a dielectric film. In such a constitution, the pixel region is divided into a plurality of regions, and video signals are supplied to respective pixel electrodes and capacitive elements in respective regions through paths which are branched from the switching element.Type: ApplicationFiled: March 5, 2007Publication date: July 5, 2007Inventors: Ryouichi Ootsu, Takanori Nakayama, Takahiro Miyazaki
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Publication number: 20070139570Abstract: A display device includes a substrate, a display area and a peripheral area formed on the substrate, a plurality of signal lines and a plurality of scan lines arranged in the display area, and six signal line common lines provided in said peripheral area. Each signal line common line of the six signal line common lines is connected every six signal lines. At least two scan line common lines are provided in the peripheral area, and each scan line common line of at least two scan line common lines is connected every predetermined of scan lines.Type: ApplicationFiled: October 23, 2006Publication date: June 21, 2007Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa
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Patent number: 7202929Abstract: In a liquid crystal display device, each pixel region formed over a liquid crystal side of one substrate out of respective substrates which are arranged to face each other with liquid crystal therebetween includes pixel electrodes to which a video signal is supplied from a drain signal line through a switching element driven in response to a scanning signal from a gate signal line and capacitive elements which are formed between the pixel electrodes and a capacitive signal line by way of a dielectric film. In such a constitution, the pixel region is divided into a plurality of regions, and video signals are supplied to respective pixel electrodes and capacitive elements in respective regions through paths which are branched from the switching element.Type: GrantFiled: May 5, 2004Date of Patent: April 10, 2007Assignee: Hitachi Displays, Ltd.Inventors: Ryouichi Ootsu, Takanori Nakayama, Takahiro Miyazaki
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Patent number: 7129998Abstract: A display device having a substrate with a display area and a peripheral area being formed on the substrate. A plurality of signal lines and a plurality of scan lines are arranged in the display area. Six signal line common lines are provided in the peripheral area and at least one of two, three and four scan line common lines are provided in the peripheral area.Type: GrantFiled: June 9, 2004Date of Patent: October 31, 2006Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa
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Publication number: 20040246425Abstract: In a liquid crystal display device, each pixel region formed over a liquid crystal side of one substrate out of respective substrates which are arranged to face each other with liquid crystal therebetween includes pixel electrodes to which a video signal is supplied from a drain signal line through a switching element driven in response to a scanning signal from a gate signal line and capacitive elements which are formed between the pixel electrodes and a capacitive signal line by way of a dielectric film. In such a constitution, the pixel region is divided into a plurality of regions, and video signals are supplied to respective pixel electrodes and capacitive elements in respective regions through paths which are branched from the switching element.Type: ApplicationFiled: May 5, 2004Publication date: December 9, 2004Applicant: Hitachi displays, Ltd.Inventors: Ryouichi Ootsu, Takanori Nakayama, Takahiro Miyazaki
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Publication number: 20040233344Abstract: A display device having a substrate with a display area and a peripheral area being formed on the substrate. A plurality of signal lines and a plurality of scan lines are arranged in the display area. Six signal line common lines are provided in the peripheral area and at least one of two, three and four scan line common lines are provided in the peripheral area.Type: ApplicationFiled: June 9, 2004Publication date: November 25, 2004Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa
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Publication number: 20040135753Abstract: In the present invention, when one signal line group and another signal line group which differs from one signal line group in length are arranged adjacent to each other, a disconnection due to static electricity which is caused by a spark generated between a signal line of one signal line group and a signal line of another signal line group which are arranged adjacent to each other can be prevented. The image signal line is specifically configured such that, on a substrate, a first signal line group in which a plurality of first signal lines are arranged in parallel and a second signal line group in which a plurality of second signal lines are arranged in parallel in a region arranged adjacent to the first signal line group are formed and dummy lines are arranged between the first signal line group and the second signal line group.Type: ApplicationFiled: October 30, 2003Publication date: July 15, 2004Inventors: Ryouichi Ootsu, Kimitoshi Ougiichi, Eisaku Hazawa
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Patent number: 6750926Abstract: Drain driver output terminals (lead lines) are divided into six groups (R1, R2, G1, G2, B1, B2) of positive polarity and negative polarity for three primary colors: respective ones are bundled together for connection to drain line common lines; and then, these drain line common lines are drawn out of a drain driver mount region. Gate driver output terminals (lead lines) are divided into three groups (GA, GB, GC) including a front stage and a next stage plus a rear stage; and respective ones are bundled together for connection to gate line common lines. These gate line common lines are drawn out of a gate driver mount region; and then, tests are preformed with probes attached to test terminals provided at such drain line common lines and gate line common lines.Type: GrantFiled: March 6, 2001Date of Patent: June 15, 2004Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.Inventors: Kimitoshi Ohgiichi, Ryouichi Ootsu, Kazushi Miyata, Shinichi Tsuruoka, Susumu Niwa