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公开(公告)号：US10371991B2
公开(公告)日：2019-08-06
申请号：US16039046
申请日：2018-07-18
Inventor： Keiichiro Ashizawa , Mitsuo Nakatani , Hiroaki Miwa , Takao Tanaka , Sadafumi Hirai , Shinichi Kawabe , Makoto Sasaki , Kazuyuki Ito , Masahiro Ieda
IPC: G02F1/1339 , G02F1/1343 , G02F1/1335 , G02F1/1368 , G02F1/1362
Abstract: A liquid crystal display device with a pair of substrates which are arranged to face each other with liquid crystal therebetween, columnar spacers having the substantially equal height formed on a liquid-crystal-side surface of one substrate, and the columnar spacers include the columnar spacer which is contact with a liquid-crystal-side surface of another substrate and the columnar spacer which is not contact with the liquid-crystal-side surface of another substrate.
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公开(公告)号：US20190235329A1
公开(公告)日：2019-08-01
申请号：US16202978
申请日：2018-11-28
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Takeshi ARAI , Tatsuya KAWASAKI
IPC: G02F1/1362 , G09G3/36
CPC classification number: G02F1/136259 , G02F1/133512 , G02F1/133514 , G02F1/133611 , G02F1/136286 , G02F2201/121 , G02F2201/123 , G02F2201/508 , G09G3/3648 , G09G2320/0233
Abstract: A display device includes a first translucent substrate, a second translucent substrate that is disposed on a display surface side while opposed to the first translucent substrate, and a first light reduction unit that reduces a transmission amount of visible light while overlapping a bright point defect portion in planar view in at least one of the first translucent substrate and the second translucent substrate. The first light reduction unit has a circular shape including a first region disposed in a center and a second region disposed around the first region, and transmittance to the visible light in the first region is higher than transmittance to the visible light in the second region.
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公开(公告)号：US10359661B2
公开(公告)日：2019-07-23
申请号：US15992191
申请日：2018-05-30
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Hiroshi Ibaraki , Tomohiro Murakoso
IPC: G02F1/1335 , G02F1/1362 , G02F1/1333 , G02F1/1345
Abstract: In a liquid crystal display device, a display panel includes a display region in which an image is to be displayed, and a non-display region formed into a frame shape surrounding the display region. The non-display region includes a first region in which the gate driver is arranged, and a second region in which the source driver is arranged. The non-display region has a non-light transmitting layer formed therein, which is configured to restrict transmission of light. The non-light transmitting layer has a first slit formed therein, which extends through the first region and the second region and passes through the non-light transmitting layer.
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公开(公告)号：US20190196287A1
公开(公告)日：2019-06-27
申请号：US16290271
申请日：2019-03-01
Inventor： Ikuko MORI , Munenori MOTOOKA , Ryutaro OKE , Kazunori OJIMA , Kikuo ONO
IPC: G02F1/1362 , G02F1/1343
CPC classification number: G02F1/136286 , G02F1/134309 , G02F1/134336 , G02F1/136209 , G02F2001/134345 , G02F2201/122
Abstract: The present invention is intended to control the color temperature of white exhibited by a liquid crystal display device. White is produced when light waves emitted through pixels associated with three colors of red, green, and blue have maximum intensities. The amounts of light emitted through the respective pixels are controlled by differentiating the shapes of the pixel electrodes disposed at the respective pixels from one another. Thus, the color temperature of white is controlled. Otherwise, the shapes of interceptive films disposed at the respective pixels are differentiated from one another in order to control light waves emitted through the respective pixels. Thus, the color temperature of white is controlled. The interceptive film may be shaped like the pixel electrode. Otherwise, the interceptive film may be realized with an interceptive pattern other than that of the pixel electrode or one of openings bored in a black matrix.
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公开(公告)号：US10317754B2
公开(公告)日：2019-06-11
申请号：US15824737
申请日：2017-11-28
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Koji Mimura
IPC: G02F1/137 , G02F1/1343
Abstract: A liquid crystal display device including a first substrate including a first display electrode and a second display electrode that is disposed opposite the first display electrode with an insulator interposed between the first display electrode and the second display electrode, a second substrate disposed opposite the first substrate; and a liquid crystal layer disposed between the first substrate and the second substrate. The first display electrode includes a plurality of first openings in each pixel, and an interior angle of at least one apex constituting the first opening is different from interior angles of another apex in each of the plurality of first openings.
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Patent Agency Ranking
公开(公告)号：US10303293B2
公开(公告)日：2019-05-28
申请号：US16210526
申请日：2018-12-05
Inventor： Shinya Hashimoto
IPC: G06F3/041 , G02F1/1343 , G02F1/1333 , H05K1/11 , H05K1/02 , G06F1/16 , G06F3/044 , H05K3/36
Abstract: A display device includes a display panel, and an electrostatic capacitive type touch panel which is formed in an overlapping manner with the display panel. A plurality of X electrodes and a plurality of Y electrodes intersecting with the X electrodes. A first signal line supplies signals to the X electrodes, a second signal line supplies signals to the Y electrodes, and the first signal line and the second signal line are formed on a flexible printed circuit board. A dummy electrode is formed adjacent to an electrode portion of each X electrode and electrode portion of each Y electrode, the dummy electrode does not overlap the X electrode and the Y electrode, and the dummy electrode does not electrically connect with the first and second signal lines.
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公开(公告)号：US20190156905A1
公开(公告)日：2019-05-23
申请号：US16238771
申请日：2019-01-03
Inventor： Takahiro OCHIAI , Mitsuru GOTO , Hiroko SEHATA , Hiroyuki HIGASHIJIMA
CPC classification number: G11C19/28 , G09G3/3674 , G09G3/3677 , G09G3/3688 , G09G2300/0413 , G09G2300/0465 , G09G2310/0283 , G09G2310/0286 , G09G2310/061 , G09G2310/08
Abstract: A display device including a bidirectional shift register circuit, including: a plurality of cascade-connected register circuits; various circuits for setting various nodes to various voltage levels responsive to various signals input to various terminals; and an output circuit which outputs the clock pulse as an output pulse when the voltage of the first node is high level, wherein, at the forward shift operation, the bottom dummy register circuit is not input the reset signal and the first node of the bottom dummy register circuit is reset if the initial reset circuit of the bottom dummy register circuit receives the backward trigger signal, and wherein, at the backward shift operation, the top dummy register circuit is not input the reset signal and the first node of the top dummy register circuit is reset if the initial reset circuit of the top dummy register circuit receives the forward trigger signal.
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公开(公告)号：US20190156780A1
公开(公告)日：2019-05-23
申请号：US16253647
申请日：2019-01-22
Inventor： Toshio MIYAZAWA , Iwao TAKEMOTO , Atsushi HASEGAWA , Masahiro MAKI , Kazutaka GOTO
IPC: G09G3/36 , G11C19/18 , H01L27/12 , H01L29/423 , G11C19/28
CPC classification number: G09G3/3677 , G09G3/36 , G09G3/3648 , G09G3/3659 , G09G3/3688 , G09G3/3696 , G09G5/39 , G09G2300/0408 , G09G2310/0286 , G09G2310/08 , G09G2330/021 , G11C19/184 , G11C19/28 , H01L27/12 , H01L27/124 , H01L29/42384
Abstract: A display driving circuit having a shift register is formed on the display panel. The shift register includes a first stage having first and second transistors and a second stage having a third and fourth transistor. A voltage of a control electrode of the first transistor is boosted by a voltage of a first pulse line changing from low to high. In an On state, the second transistor connects the control electrode of the first transistor and a constant voltage line. A voltage of a control electrode of the third transistor is boosted by a voltage of a second pulse line changing from low to high. In an On state, the fourth transistor connects the control electrode of the third transistor and a constant voltage line. The fourth transistor is switched on by a signal from the first stage.
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89.发明授权公开(公告)号：US10276595B2
公开(公告)日：2019-04-30
申请号：US15811130
申请日：2017-11-13
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Genshiro Kawachi
IPC: H01L27/12 , G02F1/1343 , G02F1/1368
Abstract: Provided is a liquid crystal display device, including: an array substrate; a plurality of pixels sectioned by video signal lines and scanning signal lines formed on the array substrate; a TFT arranged for each of the plurality of pixels; and a pixel electrode arranged inside each of the plurality of pixels. The TFT includes a channel semiconductor layer and the pixel electrode that are formed of a seamless layer made of an oxide semiconductor. The pixel electrode has an electrical conductivity larger than an electrical conductivity of the channel semiconductor layer under a state in which a gate voltage is not applied.
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公开(公告)号：US20190121490A1
公开(公告)日：2019-04-25
申请号：US16225543
申请日：2018-12-19
Inventor： Masahiro TERAMOTO
CPC classification number: G06F3/0416 , G06F3/0412 , G06F3/044 , G06F2203/04103 , G06F2203/04111 , H01H1/58
Abstract: A touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of wirings. Each of the plurality of first electrodes has a first portion formed on a layer different from that on which the second electrodes are formed and intersecting the second electrodes and a second portion formed on the sane layer as that on which the second electrodes are formed, but separated from the second electrode. The second electrode and the second portion of the first electrode are formed on a layer different than the layer where the wiring is formed. The first portion of the first electrode is connected to the second portion through a contact portion formed in an insulating film made of a negative resist between the first portion and the second electrode.
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