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公开(公告)号：US20200257398A1
公开(公告)日：2020-08-13
申请号：US16864222
申请日：2020-05-01
Inventor： Eiji OOHIRA
IPC: G06F3/041 , H04M1/02 , H04B1/3888 , B32B7/12 , G02F1/1333
Abstract: A mobile phone is provided which includes a liquid crystal display device in which a front window and a touch panel are bonded together with an adhesive sheet, wherein a logo having plural layers is formed on a back side of the front window. A touch-panel flexible wiring substrate is mounted to the touch panel, A plane distance between an end portion of the plural layers of the logo and an end portion of the touch panel is set to greater than zero. With this configuration, it is possible to prevent a peeling stress on the adhesive sheet, even if a thickness of the adhesive sheet is smaller than the sum of a thickness of the touch-panel flexible wiring substrate and a thickness of the logo.
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公开(公告)号：US10739627B2
公开(公告)日：2020-08-11
申请号：US15927365
申请日：2018-03-21
Inventor： Yusuke Katagiri , Masaki Tsubokura
IPC: G02F1/1333 , H01L27/12 , H05K1/18 , G02F1/1345 , G02F1/1347 , H05K1/14
Abstract: A display device includes: a first display panel; a first flexible substrate on which a first driver IC outputting a driving signal to the first display panel is mounted; a second flexible substrate being apart from the first flexible substrate, at least a part of the second flexible substrate overlapping the first flexible substrate; and an insulating material disposed between the first flexible substrate and the second flexible substrate. The first flexible substrate is connected to the first display panel so that the first driver IC is on a side of the second flexible substrate. The insulating material is disposed between the first driver IC and the second flexible substrate.
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公开(公告)号：US20200249533A1
公开(公告)日：2020-08-06
申请号：US16855023
申请日：2020-04-22
Inventor： Hidehiro SONODA , Chikae MATSUI , Noboru KUNIMATSU
IPC: G02F1/1337 , G02F1/1362 , G02F1/1343 , G02F1/1335 , G02F1/1368 , G02F1/1339 , G02F1/1333
Abstract: A liquid crystal display device includes a first substrate, a first alignment film formed over the first substrate, a second substrate, a second alignment film formed over the second substrate, a liquid crystal layer sandwiched between the first alignment film and the second alignment film, and a projecting portion formed over the second substrate. The first film is a photo alignment film, and a thickness “d2” of the second alignment film over the projecting portion and a film thickness “d1” of a portion of the first alignment film facing the projecting portion satisfy formula (2), d2
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54.发明授权公开(公告)号：US10735630B2
公开(公告)日：2020-08-04
申请号：US16359310
申请日：2019-03-20
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Satoshi Hirotsune
IPC: H04N5/217 , H04N9/083 , H04N5/232 , H04N9/04 , G01J1/42 , G09G3/36 , G06T5/00 , G06T7/00 , G09G3/32 , H04N17/04 , G02F1/13
Abstract: An image quality adjustment device includes: a lighting controller that controls a display panel including a plurality of pixels, each including arrangement of a plurality of subpixels such that the display panel displays a measurement image in which a part of the plurality of subpixels is lit; and a first electric filter that removes at least a spatial frequency component greater than or equal to fd/2 from a first image obtained by capturing the measurement image displayed on the display panel using an capture device when a panel spatial frequency determined by a pixel pitch of the pixel in a direction in which the plurality of subpixels are arrayed is set to fd.
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公开(公告)号：US10718983B2
公开(公告)日：2020-07-21
申请号：US16528008
申请日：2019-07-31
Inventor： Tohru Sasaki , Takahiro Ochiai
IPC: G02F1/1362 , G02F1/1343 , G02F1/1333 , G02F1/1368 , G02F1/1335
Abstract: To form a sufficiently large storage capacitor, a liquid crystal display device includes a liquid crystal display panel having a first substrate, a second substrate, and a liquid crystal held between the first substrate and the second substrate, the liquid crystal display panel having multiple pixels arranged in matrix. The first substrate has, in a transmissive display area provided in each of the pixels, a laminated structure containing a first transparent electrode, a first insulating film, a second transparent electrode, a second insulating film, and a third transparent electrode which are laminated in this order. The first transparent electrode and the second transparent electrode are electrically insulated from each other and together form a first storage capacitor through the first insulating film, and the second transparent electrode and the third transparent electrode are electrically insulated from each other and together form a second storage capacitor through the second insulating film.
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Patent Agency Ranking
公开(公告)号：US10718982B2
公开(公告)日：2020-07-21
申请号：US15939306
申请日：2018-03-29
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Teruhisa Nakagawa
IPC: G02F1/1345 , G02F1/1362 , G02F1/1368 , H01L27/12 , G02F1/1335 , G02F1/1337
Abstract: Techniques of reducing bezel size of liquid crystal display (LCD) devices are described. Techniques of the present subject matter allow reduction in the bezel size of an LCD device while maintaining the aspect ratio of pixels of an LCD panel. In an example, an LCD panel of the LCD device may include a plurality of sub-pixels arranged in a first direction and a second direction in a matrix arrangement, and a plurality of gate lines extending in the first direction and a plurality of source lines extending in the second direction. Further, The LCD panel may include a plurality of source lead-out lines extending in the first direction, wherein each of the plurality of source lead-out lines is electrically connected to at least one of the plurality of source lines.
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公开(公告)号：US20200225543A1
公开(公告)日：2020-07-16
申请号：US16828026
申请日：2020-03-24
Inventor： Shoichi UCHINO , Noboru KUNIMATSU , Hidehiro SONODA , Chikae MATSUI , Yuko MATSUMOTO , Tomio YAGUCHI , Toshiki KANEKO , Jun TANAKA
IPC: G02F1/1337
Abstract: Disclosed is a manufacturing method of a liquid crystal display device which is a manufacturing method of a liquid crystal display device including a liquid crystal alignment film to which an alignment regulating force is imparted by a photo-alignment treatment, including: a film forming step of forming a film containing a polymer whose main chain is cleaved by irradiation with light; a photo-alignment step of imparting an alignment regulating force to the film formed in the film forming step by irradiation of the film with light in an atmosphere of a temperature lower than 100° C.; and a removing step of removing a low-molecular weight component generated by cleaving the main chain of the polymer through the light irradiation after the light irradiation. Also disclosed is a liquid crystal display device manufactured by the manufacturing method.
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公开(公告)号：US10690971B2
公开(公告)日：2020-06-23
申请号：US16655653
申请日：2019-10-17
Inventor： Hidehiro Sonoda , Chikae Matsui , Noboru Kunimatsu
IPC: G02F1/1339 , G02F1/1362 , G02F1/1333 , G02F1/1337 , G02F1/1343 , G02F1/1368
Abstract: A liquid crystal display device includes a TFT substrate and a counter substrate and a liquid crystal layer sandwiched therebetween. A scanning line, a video signal line, a thin film transistor connected to the scanning line and the video signal line, a pixel electrode connected to the thin film transistor, and a counter electrode are formed on the TFT substrate, and a columnar spacer formed on the counter substrate. The pixel and counter electrodes are transparent, and the liquid crystal layer is controlled by an electric field generated between the pixel and counter electrodes. The counter electrode contacts with a metal line having a first part which is extended in parallel with the scanning line and a second part which is extended in parallel with the video signal line, a width of the first part of the metal line being narrower than a width of the scanning line.
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公开(公告)号：US20200175937A1
公开(公告)日：2020-06-04
申请号：US16783883
申请日：2020-02-06
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Yoshihiro IMAJO , Kazunori INOUE , Kenta ENDO
Abstract: A drive circuit includes an output circuit provided in a display panel to output a gate-on voltage and a gate-off voltage to a plurality of gate lines. The plurality of gate lines include first to sixth gate lines sequentially disposed in a scanning direction. A first transistor is put into an on state to electrically connect the first gate line and the third gate line, a second transistor is put into the on state to electrically connect the second gate line and the fourth gate line, the third transistor is put into the on state to electrically connect the third gate line and the fifth gate line, and the fourth transistor is put into the on state to electrically connect the fourth gate line and the sixth gate line, after the output circuit outputs the gate-on voltage to the first to fourth gate line.
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公开(公告)号：US20200159363A1
公开(公告)日：2020-05-21
申请号：US16750194
申请日：2020-01-23
Inventor： Kouichi ANNO
Abstract: A display device with a touch panel includes a display panel, and a touch panel formed above the display panel. The touch panel includes X electrodes which extend in a first direction, and Y electrodes which extend in a second direction different from the first direction. The X electrodes and the Y electrodes respectively include intersection portions each formed where the X electrodes and the Y electrodes overlap each other, and electrode portions each formed between the intersection portions, wherein the electrode portions of one of the X electrodes is smaller in area than the electrode portions of one of the Y electrodes, and wherein floating electrodes are formed close to the electrode portion of the one of the X electrodes or Y electrodes, and over a reduced portion of the X electrode.
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