公开(公告)号：US20150154930A1

公开(公告)日：2015-06-04

申请号：US14296111

申请日：2014-06-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa Sung WOO

IPC: G09G3/36 ,  G09G5/10

CPC classification number: G09G5/10 ,  G09G3/3648 ,  G09G2320/0219

Abstract: 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.

Abstract translation: 一种用于驱动液晶显示器的装置，其中通过根据灰度级可变的反冲电压降低像素电压，包括：信号控制器，其接收对应于灰度的输入图像信号; 图像信号校正器，其校正输入图像信号并产生数据输入信号; 以及数据驱动器，其基于数据输入信号提供与灰度对应的数据电压，其中灰阶包括黑色，白色灰度级和中间灰度级，数据电压包括正电压和负电压， 正负电压和公共电压被定义为偏移值，对应于黑色灰度的第一偏移值，对应于白色灰度的第二偏移值和对应于中间灰度级的第三偏移值满足不等式：|第一偏移 值第二个偏移值|＆nlE; 50 mV。

公开(公告)号：US20160131945A1

公开(公告)日：2016-05-12

申请号：US14802514

申请日：2015-07-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa Sung WOO

IPC: G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

CPC classification number: G02F1/133536 ,  G02F1/133305 ,  G02F1/133528 ,  G02F1/136209 ,  G02F1/1368 ,  G02F2001/133565 ,  G02F2001/134345

Abstract: 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.

Abstract translation: 弯曲显示装置包括：第一基板和彼此面对并具有曲率的第二基板; 第一和第二基板之间的液晶层; 液晶层与第一基板的面对液晶层的第一表面之间的第一偏振层，或者位于与第一基板的第一表面相对的第一基板的第二表面上; 以及在所述液晶层和所述第二基板的与所述液晶层相对的第一表面之间的第二偏振层，或者与所述第二基板的与所述第二基板的所述第一表面相反的第二表面定位; 其中所述第一和第二偏振层中的至少一个位于所述第一基板和所述液晶层之间，或者位于所述第二基板和所述液晶层之间。

公开(公告)号：US20160104722A1

公开(公告)日：2016-04-14

申请号：US14689215

申请日：2015-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa Sung WOO ,  Yun Seok LEE

IPC: H01L27/12

CPC classification number: H01L27/124 ,  G02F1/1368 ,  H01L29/41733

Abstract: 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.

Abstract translation: 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茎部，通过该第一水平茎部分分割液晶分子的布置分别不同的两个不同区域，以及第二子像素电极，其包括第二水平茎部， 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。

公开(公告)号：US20230280606A1

公开(公告)日：2023-09-07

申请号：US18115962

申请日：2023-03-01

Applicant: Samsung Display Co., LTD.

Inventor： Kwang Taek HONG ,  Jun Yeong PARK ,  Hwa Sung WOO

IPC: G02F1/13 ,  G01N21/95

CPC classification number: G02F1/1309 ,  G01N21/95 ,  G01N2021/9513

Abstract: A method of inspecting a display substrate including pixel patterns provided in pixel areas disposed in a display area in a first direction and a second direction may include obtaining a captured image of the pixel patterns of the display substrate, grouping pixels included in the captured image by grouping at least two pixels disposed in the first direction into a pixel group, designating each pixel group included in the captured image as a target pixel group, comparing pixel patterns of the target pixel group with pixel patterns of an adjacent pixel group positioned in a third direction with respect to the target pixel group, and determining whether the pixel patterns of the target pixel group are defective.

公开(公告)号：US20180095335A1

公开(公告)日：2018-04-05

申请号：US15676714

申请日：2017-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa Sung WOO

IPC: G02F1/1362 ,  G02F1/1368 ,  G02F1/1343

CPC classification number: G02F1/136227 ,  G02F1/133707 ,  G02F1/134309 ,  G02F1/136286 ,  G02F1/1368 ,  G02F2001/134345 ,  G02F2201/123

Abstract: 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.

公开(公告)号：US20150070635A1

公开(公告)日：2015-03-12

申请号：US14244343

申请日：2014-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa Sung WOO ,  Byung-Chul KIM ,  Young Gu KIM ,  Min-Sik JUNG

IPC: G02F1/1343 ,  G02F1/1333

CPC classification number: G02F1/133345 ,  G02F1/13394 ,  G02F2001/133357

Abstract: A liquid crystal display includes a first insulation substrate, a gate line and a data line disposed on the first insulation substrate and insulated from and intersecting each other, a first passivation layer covering the gate line and the data line, a common electrode positioned on the first passivation layer and including a step-removed part, a second passivation layer covering the common electrode, a pixel electrode positioned on the second passivation layer, a second insulation substrate facing the first insulation substrate, and a main column spacer positioned on the second insulation substrate, where the step-removed part is provided by removing the common electrode at a position corresponding to the main column spacer.

Abstract translation: 液晶显示器包括第一绝缘基板，栅极线和设置在第一绝缘基板上并彼此绝缘并相互交叉的数据线，覆盖栅极线和数据线的第一钝化层，位于第一绝缘基板上的公共电极 第一钝化层并且包括步骤去除部分，覆盖公共电极的第二钝化层，位于第二钝化层上的像素电极，面对第一绝缘基板的第二绝缘基板和位于第二绝缘层上的主柱间隔物 基板，其中通过在对应于主柱间隔物的位置处去除公共电极来提供步进去除部分。

公开(公告)号：US20190196266A1

公开(公告)日：2019-06-27

申请号：US16287789

申请日：2019-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hwa Sung WOO

IPC: G02F1/1335 ,  G02F1/1362 ,  G02F1/1368

Abstract: 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.

公开(公告)号：US20190146292A1

公开(公告)日：2019-05-16

申请号：US15980366

申请日：2018-05-15

Applicant: Samsung Display Co. Ltd.

Inventor： Hwa Sung WOO

IPC: G02F1/1362 ,  G02F1/1343 ,  G09G3/36 ,  H01L27/12

Abstract: A display device includes a gate line, a data line, a voltage division reference line, two subpixel electrodes, and three transistors (each including a gate connected to the gate line). The first transistor includes a first source (connected to the data line) and a first drain. The second transistor includes a second source (connected to the data line) and a second drain. The second drain extends in a direction. The third transistor includes a semiconductor member, a third source (connected to the voltage division reference line), and a third drain (connected to the second drain). The first subpixel electrode and the second subpixel electrode are respectively connected to the first drain and the second drain. The maximum overlap length of the third drain and the semiconductor member in the direction is unequal to the maximum overlap length of the third source and the semiconductor member in the direction.

公开(公告)号：US20170299927A1

公开(公告)日：2017-10-19

申请号：US15292266

申请日：2016-10-13

Applicant: Samsung Display Co. Ltd.

Inventor： Hwa Sung WOO

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1335

CPC classification number: G02F1/134336 ,  G02F1/133514 ,  G02F1/133707 ,  G02F1/134363 ,  G02F1/136286 ,  G02F2001/133519 ,  G02F2001/134318 ,  G02F2001/134345 ,  G02F2001/134354 ,  G02F2001/134372 ,  G02F2201/12 ,  G02F2201/121 ,  G02F2201/123 ,  G02F2201/124

Abstract: 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.

公开(公告)号：US20160018685A1

公开(公告)日：2016-01-21

申请号：US14616602

申请日：2015-02-06

Applicant: Samsung Display Co., Ltd.

Inventor： Bong Sung SEO ,  Hwa Sung WOO ,  Baek Kyun JEON

IPC: G02F1/1337 ,  G02F1/1368 ,  G02F1/1362 ,  H01L27/12

CPC classification number: G02F1/133788 ,  G02F1/133707

Abstract: 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.

Abstract translation: 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。