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公开(公告)号：US20190384116A1
公开(公告)日：2019-12-19
申请号：US16554146
申请日：2019-08-28
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Yusuke KATAGIRI , Masaki TSUBOKURA
IPC: G02F1/1335 , G02F1/1333
Abstract: A display device includes: a display panel; a driver IC that outputs a driving signal to the display panel; a flexible substrate on which the driver IC is mounted; a first frame that supports the display panel from a side of a light source; and a second frame that supports the light source while being provided independently of the first frame. The first frame includes a metallic frame unit which is opposite to the driver IC from the side of the light source.
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公开(公告)号：US20190361565A1
公开(公告)日：2019-11-28
申请号：US16537719
申请日：2019-08-12
Inventor： Masahiro TERAMOTO
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 same 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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公开(公告)号：US10481437B1
公开(公告)日：2019-11-19
申请号：US16511105
申请日：2019-07-15
Inventor： Hidehiro Sonoda , Chikae Matsui , Noboru Kunimatsu
IPC: G02F1/1337 , G02F1/1339 , G02F1/1362 , G02F1/1335 , G02F1/1343 , G02F1/1368 , 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 aver 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 alignment 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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公开(公告)号：US10467968B2
公开(公告)日：2019-11-05
申请号：US15900376
申请日：2018-02-20
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Toshikazu Koudo , Hideyuki Nakanishi , Katsuhiro Kikuchi
Abstract: A liquid crystal display device includes: a first display panel displaying a first image; a second display panel displaying a second image; and an image processor generating first and second image data based on input video signal. The image processor includes a first differential filtering processor, a multiplier that multiplies a grayscale of the image data subjected to the differential filtering by the first differential filtering processor by a correction coefficient, and a first smoothing processor that performs smoothing processing on image data obtained by adding the image data multiplied by the correction coefficient and the image data based on the input video signal. The image processor generates the first image data based on the image data based on the input video signal and the image data subjected to the smoothing processing, and generates the second image data based on the image data subjected to the smoothing processing.
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公开(公告)号：US10446072B2
公开(公告)日：2019-10-15
申请号：US15821204
申请日：2017-11-22
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Toshikazu Koudo , Masahiro Ishii , Katsuhiro Kikuchi , Ikuko Mori
Abstract: A liquid crystal display device comprises: a first display panel displaying a color image; a second display panel displaying a monochrome image; and an image processor generating first image data corresponding to the color image and second image data corresponding to the monochrome image based on an input video signal. The image processor generates the first image data and the second image data such that a graph representing transmittance of the first display panel for input gradation corresponding to the input video signal and a graph representing transmittance of the second display panel for the input gradation corresponding to the input video signal intersect each other at predetermined input gradation.
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Patent Agency Ranking
公开(公告)号：US20190302553A1
公开(公告)日：2019-10-03
申请号：US15939306
申请日：2018-03-29
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Teruhisa NAKAGAWA
IPC: G02F1/1362 , H01L27/12 , G02F1/1335 , G02F1/1368 , 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：US20190302547A1
公开(公告)日：2019-10-03
申请号：US15941934
申请日：2018-03-30
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Ryouichi OOTSU , Hiroaki IWATO
IPC: G02F1/1362 , G02F1/1335 , G02F1/1343 , G02F1/1333 , G02F1/1368
Abstract: 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.
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公开(公告)号：US10416511B2
公开(公告)日：2019-09-17
申请号：US15688376
申请日：2017-08-28
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Toshikazu Koudo , Masahiro Ishii , Katsuhiro Kikuchi , Ikuko Mori
IPC: G02F1/1347 , G09G3/36 , G02F1/1335
Abstract: A liquid crystal display device includes: a first display panel displaying a color image, a second display panel that is disposed farther away from the observer with respect to the first display panel and displays a monochrome image, and an image processor that generates color image data and monochrome image data. The image processor includes an extension filtering unit that performs extension filtering on first monochrome image data, which is made monochrome using a maximum value in a value of each color expressing color information included in the input video signal. The extension filtering unit performs the extension filtering on the first monochrome image data using a large filter size in a larger luminance difference region, and performs the extension filtering on the first monochrome image data using a small filter size in a small luminance difference region.
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79.发明申请公开(公告)号：US20190278116A1
公开(公告)日：2019-09-12
申请号：US16287707
申请日：2019-02-27
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Kazuhiko TSUDA
IPC: G02F1/1339 , G02F1/1368 , G02F1/1345
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：US20190265561A1
公开(公告)日：2019-08-29
申请号：US16280770
申请日：2019-02-20
Applicant: Panasonic Liquid Crystal Display Co., Ltd.
Inventor： Tetsuya KAWAMURA
IPC: G02F1/1343 , G02F1/1362 , G02F1/137 , G02F1/1337
Abstract: A liquid crystal display device comprises: a first data line extending in a first direction; a first pixel electrode and a second pixel electrode that are arranged in the first direction; a first transistor connected to the first pixel electrode; a second transistor connected to the second pixel electrode; and a first gate line electrically connected to the first transistor and the second transistor, wherein in the first pixel electrode, a first length along the first direction is shorter than a second length along a second direction perpendicular to the first direction, and the first pixel electrode includes at least one slit, and the slit extends at an angle of less than or equal to 45 degrees with respect to the second direction.
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