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公开(公告)号：US20200081306A1
公开(公告)日：2020-03-12
申请号：US16687516
申请日：2019-11-18
发明人： Hwa Sung Woo
IPC分类号： G02F1/1362 , G02F1/1368 , G02F1/1343 , G02F1/1337
摘要： A liquid crystal display device is provided. The liquid crystal display device comprises a substrate, a thin-film transistor (TFT) disposed on the substrate, an insulating layer disposed on the TFT, and a pixel electrode disposed on the insulating layer and connected to a drain electrode of the TFT via a contact hole formed in the insulating layer. The pixel electrode includes a stem electrode which extends in a first direction and a second direction that is perpendicular to the first direction, branch electrodes which extend from the stem electrode, and an extension electrode which is disposed to overlap the contact hole and which is connected to the branch electrodes. The extension electrode includes a slit.
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公开(公告)号：US10254583B2
公开(公告)日：2019-04-09
申请号：US14802514
申请日：2015-07-17
发明人： Hwa Sung Woo
IPC分类号： G02F1/1335 , G02F1/1368 , G02F1/1362 , G02F1/1343 , G02F1/1333
摘要： A curved display device comprises: a first substrate and a second substrate facing each other and having a curvature; a liquid crystal layer between the first and second substrates; a first polarizing layer between the liquid crystal layer and a first surface of the first substrate that faces the liquid crystal layer, or positioned to face a second surface of the first substrate opposite to the first surface of the first substrate; and a second polarizing layer between the liquid crystal layer and a first surface of the second substrate that faces the liquid crystal layer, or positioned to face a second surface of the second substrate opposite to the first surface of the second substrate; wherein at least one of the first and second polarizing layers is either between the first substrate and the liquid crystal layer or between the second substrate and the liquid crystal layer.
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公开(公告)号：US09666154B2
公开(公告)日：2017-05-30
申请号：US14485231
申请日：2014-09-12
发明人： Jin-Soo Jung , Hwa Sung Woo , Jun Woo Lee , Baek Kyun Jeon
IPC分类号： G09G3/36
CPC分类号： G09G3/3688 , G09G2320/0219
摘要： A liquid crystal display includes: a signal controller configured to receive an input image signal corresponding to a gray from the outside, and an image signal corrector configured to correct the input image signal. The image signal corrector is configured to shift a first input image signal value corresponding to a black gray by a first value based on a common voltage, is configured to shift a second input image signal value corresponding to a halftone gray by a second value based on the common voltage, and is configured to shift a third input image signal value corresponding to a white gray by a third value based on the common voltage. The first value and the second value are larger than a kickback voltage of each of the black gray and the halftone gray, and the third value is the same as a kickback voltage of the white gray.
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公开(公告)号：US10254598B2
公开(公告)日：2019-04-09
申请号：US15292266
申请日：2016-10-13
发明人： Hwa Sung Woo
IPC分类号： G02F1/1343 , G02F1/1362 , G02F1/1335 , G02F1/1337
摘要： A liquid crystal display including a first substrate; a pixel electrode which includes a first subpixel electrode and a second subpixel electrode disposed adjacent to and spaced apart from the first subpixel electrode on the first substrate; a second substrate facing the first substrate; and a common electrode disposed on the second substrate and defines a first slit thereof and a second slit thereof which is connected to the first slit. The first subpixel electrode defines a first plate-shaped portion overlapping the first slit and a plurality of first branches which extend from the first plate-shaped portion, and the second subpixel electrode defines a second plate-shaped portion overlapping the second slit and a plurality of second branch portions which extend from the second plate-shaped portion. At least one of the first branch portions is connected to at least one of the second branch portions.
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公开(公告)号：US09472581B2
公开(公告)日：2016-10-18
申请号：US14689215
申请日：2015-04-17
发明人： Hwa Sung Woo , Yun Seok Lee
IPC分类号： H01L27/14 , H01L27/12 , G02F1/1368
CPC分类号： H01L27/124 , G02F1/1368 , H01L29/41733
摘要： A display device according to an exemplary embodiment of the present invention includes: a first insulation substrate; a thin film transistor disposed on the first insulation substrate; a pixel electrode coupled to the thin film transistor; a second insulation substrate facing the first insulation substrate; and a common electrode disposed on the second insulation substrate. The pixel electrode includes a first subpixel electrode that includes a first horizontal stem portion by which two different regions where arrangements of liquid crystal molecules are respectively different are divided, and a second subpixel electrode that includes a second horizontal stem portion by which two regions where the arrangements of the liquid crystal molecules are respectively different are divided and a cross-shaped stem portion by which four regions where the arrangements of the liquid crystal molecules are respectively different are divided.
摘要翻译： 根据本发明的示例性实施例的显示装置包括：第一绝缘基板; 设置在所述第一绝缘基板上的薄膜晶体管; 耦合到所述薄膜晶体管的像素电极; 面对所述第一绝缘基板的第二绝缘基板; 以及设置在所述第二绝缘基板上的公共电极。 像素电极包括第一子像素电极，该第一子像素电极包括第一水平杆部分，通过该第一水平杆部分分割两个不同的液晶分子的布置不同的区域，第二子像素电极包括第二水平茎部分， 分离液晶分子的配置分别不同，并且分割出其中液晶分子的排列分别不同的四个区域的十字形茎部分。
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公开(公告)号：US09389467B2
公开(公告)日：2016-07-12
申请号：US14307660
申请日：2014-06-18
发明人： Min-Sik Jung , Byung-Chul Kim , Young Gu Kim , Hwa Sung Woo , Baek Kyun Jeon
IPC分类号： G02F1/1339
CPC分类号： G02F1/13394
摘要： A liquid crystal display includes a first substrate, a second substrate facing the first substrate with a predetermined interval therebetween, a liquid crystal material filled between the first substrate and the second substrate, a column spacer disposed at the second substrate and maintaining the predetermined interval between the first substrate and the second substrate, a passivation layer disposed at the first substrate, a pixel electrode disposed on the passivation layer; and a fixing protrusion which is disposed on the first substrate, is positioned at an opposing surface of the column spacer and includes at least one of a lower layer including the passivation layer and an upper layer including the pixel electrode.
摘要翻译： 液晶显示器包括：第一基板;第二基板;以第一基板相对于第一基板与第一基板之间具有预定的间隔;填充在第一基板和第二基板之间的液晶材料，设置在第二基板上的柱间隔件， 所述第一基板和所述第二基板，设置在所述第一基板处的钝化层，设置在所述钝化层上的像素电极; 并且设置在所述第一基板上的固定突起位于所述柱间隔物的相对表面处，并且包括包括所述钝化层的下层和包括所述像素电极的上层中的至少一个。
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公开(公告)号：US10928690B2
公开(公告)日：2021-02-23
申请号：US16687516
申请日：2019-11-18
发明人： Hwa Sung Woo
IPC分类号： G02F1/1362 , G02F1/1337 , G02F1/1343 , G02F1/1368
摘要： A liquid crystal display device is provided. The liquid crystal display device comprises a substrate, a thin-film transistor (TFT) disposed on the substrate, an insulating layer disposed on the TFT, and a pixel electrode disposed on the insulating layer and connected to a drain electrode of the TFT via a contact hole formed in the insulating layer. The pixel electrode includes a stem electrode which extends in a first direction and a second direction that is perpendicular to the first direction, branch electrodes which extend from the stem electrode, and an extension electrode which is disposed to overlap the contact hole and which is connected to the branch electrodes. The extension electrode includes a slit.
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公开(公告)号：US10481450B2
公开(公告)日：2019-11-19
申请号：US15676714
申请日：2017-08-14
发明人： Hwa Sung Woo
IPC分类号： G02F1/1362 , G02F1/1343 , G02F1/1368 , G02F1/1337
摘要： A liquid crystal display device is provided. The liquid crystal display device comprises a substrate, a thin-film transistor (TFT) disposed on the substrate, an insulating layer disposed on the TFT, and a pixel electrode disposed on the insulating layer and connected to a drain electrode of the TFT via a contact hole formed in the insulating layer. The pixel electrode includes a stem electrode which extends in a first direction and a second direction that is perpendicular to the first direction, branch electrodes which extend from the stem electrode, and an extension electrode which is disposed to overlap the contact hole and which is connected to the branch electrodes. The extension electrode includes a slit.
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公开(公告)号：US09734794B2
公开(公告)日：2017-08-15
申请号：US14296111
申请日：2014-06-04
发明人： Hwa Sung Woo
CPC分类号： G09G5/10 , G09G3/3648 , G09G2320/0219
摘要： A device for driving a liquid crystal display, in which a pixel voltage is reduced by a kickback voltage variable according to grayscales, includes: a signal controller which receives an input image signal corresponding to a grayscale; an image signal corrector which corrects the input image signal and generates a data input signal; and a data driver which supplies a data voltage corresponding to the grayscale based on the data input signal, where the grayscale includes black, white grayscale and intermediate grayscales, the data voltage includes positive and negative voltages, and when a difference between a sum of the positive and negative voltages and a common voltage is defined an offset value, a first offset value corresponding to the black grayscale, a second offset value corresponding to the white grayscale and a third offset value corresponding to the intermediate grayscale satisfy the inequation: |first offset value−second offset value|≦50 mV.
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公开(公告)号：US09513513B2
公开(公告)日：2016-12-06
申请号：US14616602
申请日：2015-02-06
发明人： Bong Sung Seo , Hwa Sung Woo , Baek Kyun Jeon
IPC分类号： G02F1/1337
CPC分类号： G02F1/133788 , G02F1/133707
摘要： A liquid crystal display according to an exemplary embodiment of the present invention includes: a gate line disposed on a first substrate; a gate insulating layer disposed on the gate line; a semiconductor layer disposed on the gate insulating layer; a data line disposed on the semiconductor layer and including a source electrode; a drain electrode disposed on the semiconductor layer and facing the source electrode via the semiconductor layer interposed therebetween; a passivation layer disposed on the data line and the drain electrode; a pixel electrode disposed on the passivation layer and connected to the drain electrode; a first alignment pattern layer disposed on the pixel electrode; and a first alignment layer disposed on the pixel electrode and the first alignment pattern layer and made of a photoalignment material, wherein the first alignment pattern layer includes a plurality of first alignment patterns separated with a predetermined interval, and the first alignment layer has a concave-convex shape including grooves and protrusions of the first alignment layer.
摘要翻译： 根据本发明的示例性实施例的液晶显示器包括：设置在第一基板上的栅极线; 设置在栅极线上的栅极绝缘层; 设置在所述栅极绝缘层上的半导体层; 数据线，设置在所述半导体层上并包括源电极; 设置在半导体层上并经由半导体层面对源极的漏极; 设置在数据线和漏电极上的钝化层; 设置在所述钝化层上并连接到所述漏电极的像素电极; 设置在像素电极上的第一对准图案层; 以及第一配向层，其设置在像素电极和第一对准图案层上并且由光取向材料制成，其中第一对准图案层包括以预定间隔分开的多个第一对准图案，并且第一取向层具有凹面 包括第一取向层的凹槽和凸起。
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