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公开(公告)号：US10718966B2
公开(公告)日：2020-07-21
申请号：US16050843
申请日：2018-07-31
Inventor： Takao Imaoku , Kazuhiko Tsuda , Ikuko Imajo , Yusuke Katagiri
IPC: G02F1/1333 , G02F1/1335 , G02F1/1339 , G02F1/1347 , G02F1/1368 , G02F1/1345 , G09G3/36 , B32B7/14 , H04N13/00 , G02B30/00
Abstract: A liquid crystal display device comprises: a first display panel including a first liquid crystal cell and a pair of first polarizing plates sandwiching the first liquid crystal cell; a second display panel including a second liquid crystal cell and a pair of second polarizing plates sandwiching the second liquid crystal cell; and a bonding member bonding one of the pair of first polarizing plates of the first display panel and one of the pair of second polarizing plates of the second display panel together. An end of the bonding member is located inside an end of the first polarizing plate and an end of the second polarizing plate.
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公开(公告)号：US10359665B2
公开(公告)日：2019-07-23
申请号：US15940475
申请日：2018-03-29
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Yoichi Yasui , Takenori Yaguchi , Takaaki Kitada , Kazuhiko Tsuda , Takashi Kato , Hidenori Kikuchi , Naoki Terasawa , Katsuji Tanaka
IPC: G02F1/1335 , H01L27/12 , G02F1/1362 , G02F1/1333
Abstract: A liquid crystal display device includes a first glass substrate, a second glass substrate, a first liquid crystal layer disposed between the first glass substrate and the second glass substrate, a third glass substrate, a fourth glass substrate, a second liquid crystal layer disposed between the third glass substrate and the fourth glass substrate, a first polarizing plate formed on the first glass substrate, a second polarizing plate formed on the third glass substrate, and a bonding layer disposed between the first glass substrate and the third glass substrate. In planar view, the bonding layer is disposed outside the first polarizing plate and the second polarizing plate, a surface on the bonding layer bonds to the first glass substrate, and a surface on the bonding layer bonds to the third glass substrate.
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公开(公告)号：US10962841B2
公开(公告)日：2021-03-30
申请号：US15883764
申请日：2018-01-30
Inventor： Tomohiro Murakoso , Kazuhiko Tsuda , Ikuko Mori
IPC: G02F1/1339 , G02F1/1335 , G02F1/1333 , G02F1/1362 , G09G3/36 , G02F1/1343 , G02F1/13357
Abstract: A liquid crystal display device in which a plurality of display panels are disposed so as to overlap each other and which displays an image on each of the plurality of display panels. The liquid crystal display device includes a first display panel; and a second display panel disposed so as to overlap the first display panel. The second display panel includes a first substrate on which a source line, a gate line, a thin film transistor, and an organic insulator are formed, a second substrate disposed opposite to the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate, a first spacer is formed in the first substrate to hold a distance between the first substrate and the second substrate. The first spacer and the organic insulator are made of a positive photosensitive resin.
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公开(公告)号：US10795222B2
公开(公告)日：2020-10-06
申请号：US16286091
申请日：2019-02-26
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Hiroyuki Yabuki , Kazuhiko Tsuda
IPC: G02F1/1345 , G02F1/1339 , G02F1/1362 , G02F1/1343 , G02F1/1368
Abstract: A display device according to a present disclosure comprises: a first glass substrate including a through-hole; a wiring disposed in a first main surface of the first glass substrate; and a terminal formed in a second main surface of the first glass substrate and electrically connected to the wiring through the through-hole.
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公开(公告)号：US10983399B2
公开(公告)日：2021-04-20
申请号：US16566456
申请日：2019-09-10
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Kazuhiko Tsuda , Yoshiki Watanabe , Norimichi Shirai
IPC: G02F1/1333 , G02F1/1339
Abstract: A method for manufacturing a liquid crystal display device including a display panel provided with a first substrate, a second substrate, and liquid crystal, the method comprises: a first irradiation step of irradiating first positions of a first glass plate and a second glass plate with a laser beam having first irradiation energy; a second irradiation step of irradiating second positions of the first glass plate and the second glass plate with the laser beam having second irradiation energy higher than the first irradiation energy; and an etching step of exposing the display panel to an etching solution after the first irradiation step and the second irradiation step, such that the first positions are not cleaved, the second positions are cleaved, and at least a part of an outer periphery of each of the first substrate and the second substrate is formed.
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Patent Agency Ranking
公开(公告)号：US10962849B2
公开(公告)日：2021-03-30
申请号：US15882702
申请日：2018-01-29
Inventor： Ikuko Mori , Tomohiro Murakoso , Kazuhiko Tsuda
IPC: G02F1/1347 , G02F1/1333 , G02F1/1335 , G02F1/1337 , G02F1/1362
Abstract: A liquid crystal display device includes a plurality of display panels which are disposed so as to overlap each other, each of the display panels displaying an image. The liquid crystal display device includes a first substrate; a second substrate disposed opposite to the first substrate in a first direction; a first liquid crystal layer disposed between the first substrate and the second substrate; a third substrate disposed opposite to the first substrate in a second direction that is an opposite direction to the first direction; and a second liquid crystal layer disposed between the first substrate and the third substrate.
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公开(公告)号：US10591762B2
公开(公告)日：2020-03-17
申请号：US15940435
申请日：2018-03-29
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Tomoharu Notoshi , Kazuhiko Tsuda
IPC: G02F1/1333 , G02F1/1335 , G02F1/13 , G02F1/1368 , G02F1/1343
Abstract: A method for manufacturing a liquid crystal display device including a first substrate and a second substrate, each of the first substrate and the second substrate having flexibility, the method includes a first step of manufacturing a display panel having flexibility, the display panel including the first substrate and the second substrate, a second step of bending the display panel such that a display of the display panel is constructed with a first flat surface and a second flat surface and a curved surface disposed between the first flat surface and the second flat surface, the curved surface having a predetermined curvature radius; and a third step of fixing the display panel subjected to the second step to a cover member keeping the curved surface in a given shape.
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公开(公告)号：US10935848B2
公开(公告)日：2021-03-02
申请号：US16287707
申请日：2019-02-27
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Kazuhiko Tsuda
IPC: G02F1/1333 , G02F1/1339 , G02F1/1368 , G02F1/1345 , G02F1/1343 , G02F1/1362
Abstract: A liquid crystal display device according to a present disclosure comprises: a thin film transistor substrate including a thin film transistor array; a counter substrate opposed to the thin film transistor substrate; and a liquid crystal layer disposed between the thin film transistor substrate and the counter substrate, wherein the thin film transistor substrate includes: an overlapping part that overlaps with the counter substrate in planar view; and a non-overlapping part that includes a terminal portion and does not overlap with the counter substrate in planar view, and an outer shape of the non-overlapping part has a non-rectangular shape in planar view.
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公开(公告)号：US10598994B2
公开(公告)日：2020-03-24
申请号：US16551386
申请日：2019-08-26
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Ikuko Mori , Teruhisa Nakagawa , Kazuhiko Tsuda , Katsuji Tanaka
IPC: G02F1/133 , G02F1/1347 , G02F1/1368 , G02F1/1362 , G02F1/1335 , G09G3/36 , G02F1/1343
Abstract: A liquid crystal display device includes: a first display panel; and a second display panel opposing to the first display panel. Each of the first and second display panel includes a plurality of source lines, a plurality of gate lines, a plurality of thin film transistors, and a plurality of pixel electrodes electrically connected to corresponding one of the thin film transistors. In a second display panel, at least two thin film transistors are electrically connected to a same second source line and a same second gate line.
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公开(公告)号：US10401663B2
公开(公告)日：2019-09-03
申请号：US15476301
申请日：2017-03-31
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Kazuhiko Tsuda
IPC: G02F1/1333
Abstract: A curved LCD and method of manufacturing the same are disclosed. The curved LCD includes a curved LCD panel having first and second substrates. A major surface of the first substrate faces a major surface of the second substrate. A liquid crystal layer is disposed between the major surface of the first substrate and the major surface of the second substrate. A third substrate is made of a glass or a synthetic resin and is curved in geometry. A fourth substrate made of glass is curved in geometry. The LCD panel is secured to the third and fourth substrates between a major surface of the third substrate and a major surface of the fourth substrate. The fourth substrate and the LCD panel are positioned on a concave side of a curve of the fourth substrate. The third substrate is relatively thicker than the fourth substrate.
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