公开(公告)号：US10684516B2

公开(公告)日：2020-06-16

申请号：US15409634

申请日：2017-01-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hoon Kim ,  Kyeong Jong Kim ,  Ki Chul Shin

IPC: G02F1/1343 ,  G09G3/36 ,  G09G3/20 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/139

Abstract: A liquid crystal display includes a first substrate, a first subpixel electrode, a connecting electrode, and a second subpixel electrode. The first subpixel electrode is on the first substrate and includes a first stem extending in a first direction and a plurality of branches extending from the first stem. The connecting electrode is electrically connected to the first subpixel electrode. The second subpixel electrode is on the same layer as the first subpixel electrode and includes a plurality of separation electrodes that do not overlap the connecting electrode. At least one of the separation electrodes is between a first sub branch and a second sub branch, which neighbor each other from among the branches. The second subpixel electrode is a floating electrode.

公开(公告)号：US10276721B2

公开(公告)日：2019-04-30

申请号：US14754039

申请日：2015-06-29

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Hoon Jung ,  Heung Shik Park ,  Ki Chul Shin ,  Dan Bi Yang ,  Min-Joo Han ,  Ji Phyo Hong

IPC: H01L29/786 ,  H01L29/8605 ,  H01L31/113 ,  G02F1/133 ,  G09G3/36 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1343

Abstract: A liquid crystal display includes a first gate line, a first data line, and a first pixel. The first pixel includes: a first subpixel including a first thin film transistor connected to the first gate line and data line, and a first liquid crystal capacitor, wherein a first terminal of the first liquid crystal capacitor is electrically connected to the first thin film transistor and a second terminal of the first liquid crystal capacitor is configured to receive a common voltage; and a second subpixel including a second thin film transistor connected to the first gate line and data line, a second liquid crystal capacitor, wherein a first terminal of the second liquid crystal capacitor is configured to receive the common voltage, and a thin film transistor resistor electrically connected between the second thin film transistor and a second terminal of the second liquid crystal capacitor.

公开(公告)号：US20180224701A1

公开(公告)日：2018-08-09

申请号：US15680419

申请日：2017-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Chul Shin ,  Ho Kil Oh

IPC: G02F1/1335 ,  G02F1/1337

CPC classification number: G02F1/133617 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/133555 ,  G02F1/133621 ,  G02F1/133723 ,  G02F1/13624 ,  G02F1/1368 ,  G02F2001/133357 ,  G02F2001/133548 ,  G02F2001/133614 ,  G02F2201/123 ,  G02F2202/36 ,  G02F2203/055

Abstract: A display device including a first substrate, a pixel unit disposed on the first substrate and including a first sub-pixel electrode, a second sub-pixel electrode and a third sub-pixel electrode, the first through third sub-pixel electrodes being adjacent to one another, a second substrate facing the first substrate, a first wavelength conversion layer disposed on a surface of the second substrate facing the first substrate, and overlapping the first sub-pixel electrode, a second wavelength conversion layer disposed on the surface of the second substrate facing the first substrate, and overlapping the second sub-pixel electrode, a transmissive layer disposed on the surface of the second substrate facing the first substrate, and overlapping the third sub-pixel electrode, a first cholesteric liquid crystal layer disposed on a surface of the first wavelength conversion layer facing the first substrate, a second cholesteric liquid crystal layer disposed on a surface of the second wavelength conversion layer facing the first substrate, and a planarization layer disposed on the surfaces of the first and second cholesteric liquid crystal layers facing the first substrate and on a surface of the transmissive layer facing the first substrate. Methods of manufacturing a display device capable of reducing the number of process steps in the manufacturing process are also disclosed.

公开(公告)号：US10031380B2

公开(公告)日：2018-07-24

申请号：US15408586

申请日：2017-01-18

Applicant: Samsung Display Co. Ltd.

Inventor： Hoon Kim ,  Ki Chul Shin ,  Ho Kil Oh

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

Abstract: A liquid crystal display device includes: a first substrate; a pixel electrode including a first sub-pixel electrode and disposed on the first substrate; a second substrate facing the first substrate; and a common electrode including an electric field forming portion and a first slit portion, and disposed on the second substrate. The electric field forming portion includes a transparent conductive material. The first slit portion includes a first stem portion extending in a first direction, a second stem portion extending in a second direction different from the first direction and crossing the first stem portion, and a branch portion extending in the first direction and located on at least one of two opposing sides in a longitudinal direction of the second stem portion. Each of the first stem portion and the branch portion has a linear shape surrounded by the electric field forming portion.

公开(公告)号：US09885920B2

公开(公告)日：2018-02-06

申请号：US14823648

申请日：2015-08-11

Applicant: Samsung Display Co., Ltd.

Inventor： Heung Shik Park ,  Ki Chul Shin

IPC: G02F1/1337 ,  G02F1/137 ,  G02F1/139

CPC classification number: G02F1/133753 ,  G02F1/133703 ,  G02F1/133711 ,  G02F1/133788 ,  G02F1/13725 ,  G02F1/1393 ,  G02F2001/133726 ,  G02F2001/133738 ,  G02F2001/133742 ,  G02F2001/133757

Abstract: Disclosed is a liquid crystal display including: a first substrate; a second substrate facing the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; and an alignment layer disposed at at least one of between the first substrate and the liquid crystal layer and between the second substrate and the liquid crystal layer, wherein the alignment layer includes a first region that is hydrophilic and a second region that is hydrophobic are periodically repeated in a direction that is parallel to the first substrate or the second substrate, and the liquid crystal layer includes liquid crystal molecules having a helical structure and a self-aligned liquid crystal additive to form a uniform lying helix (ULH) structure.

公开(公告)号：US09857641B2

公开(公告)日：2018-01-02

申请号：US15182752

申请日：2016-06-15

Applicant: Samsung Display Co. Ltd.

Inventor： Cheol Shin ,  Hak Sun Chang ,  Ki Chul Shin ,  Se Hyun Lee

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134336 ,  G02F1/133707 ,  G02F1/13624 ,  G02F2001/136222 ,  G02F2201/123

Abstract: A liquid crystal display (“LCD”) includes: a substrate on which a pixel region is defined; and a pixel electrode which is disposed in the pixel region on the substrate. The pixel electrode includes: a plurality of unit pixel electrodes which are arranged substantially in a matrix form; and a connecting electrode which connects the unit pixel electrodes to each other. Neighboring unit pixel electrodes adjacent to each other in a column direction are separated from each other by a first in-between area extending along a row direction, neighboring unit pixel electrodes adjacent to each other in the row direction are separated from each other by a second in-between area extending along the column direction, and the connecting electrode is disposed in a region in which corners of the unit pixel electrodes face each other.

公开(公告)号：US09846331B2

公开(公告)日：2017-12-19

申请号：US15164585

申请日：2016-05-25

Applicant: Samsung Display Co. Ltd.

Inventor： Se Hyun Lee ,  Cheol Shin ,  Hak Sun Chang ,  Ki Chul Shin

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/133753 ,  G02F1/133707 ,  G02F1/134309 ,  G02F2001/133757

Abstract: A liquid crystal display includes a first panel including a first electrode, which includes side electrodes in edge areas of a pixel, a central electrode connected to the side electrodes and disposed in a central area of the pixel, and fine branches, some of which are connected to the side electrode, a second panel in which a cutout, which corresponds to the first electrode and divides the fine branches, the central electrode and the side electrode into domains is defined, and which includes a second electrode, which is separated by the cutout and corresponds to each of the domains, where second slit patterns, which are provided by partially cutting out ends of the fine branches, separate the side electrodes and the fine branches from each other, and extend in parallel to a longitudinal direction of the side electrodes are defined in the first panel.

公开(公告)号：US09759959B2

公开(公告)日：2017-09-12

申请号：US14641198

申请日：2015-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong-Chul Shin ,  Oh Jeong Kwon ,  Heung Shik Park ,  Sung-Jae Yun ,  Su Jin Kim ,  Jae Hong Park ,  Ki Chul Shin ,  Joo Young Yoon ,  Hyeok Jin Lee

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/134309 ,  G02F1/133707 ,  G02F2001/13373 ,  G02F2001/134345

Abstract: A liquid crystal display including a first substrate, a pixel electrode on the first substrate and including a first subpixel electrode and a second subpixel electrode separated from each other and located in one pixel area, a second substrate facing the first substrate, a common electrode on the second substrate, and a liquid crystal layer between the first substrate and the second substrate, wherein a first voltage applied to the first subpixel electrode is higher than a second voltage applied to the second subpixel electrode, wherein the first subpixel electrode includes first branch electrodes, the second subpixel electrode includes second branch electrodes, the second subpixel electrode is located around the pixel area to enclose the first subpixel electrode, wherein the first branch electrodes and the second branch electrodes face each other in a boundary portion of the first subpixel electrode and the second subpixel electrode.

公开(公告)号：US09696590B2

公开(公告)日：2017-07-04

申请号：US14735486

申请日：2015-06-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Han Song ,  Ki Chul Shin

IPC: G02F1/1343 ,  G02F1/1337

CPC classification number: G02F1/133753 ,  G02F1/133707 ,  G02F1/134309 ,  G02F2001/133757 ,  G02F2001/134318 ,  G02F2001/134345

Abstract: There is provided a liquid crystal display, including: a first substrate; a plurality of pixel electrodes comprising a pixel electrode disposed on the first substrate and including a plate-like electrode having a plate shape and a plurality of minute branches extending from a side of the plate-like electrode to the outside; a second substrate facing the first substrate; a plurality of common electrodes comprising a common electrode disposed below the second substrate and including a plurality of minute branches positioned to correspond to the plate-like electrode of the pixel electrode and the plate-like electrode positioned to corresponding to the plurality of minute branches of the pixel electrode; and a liquid crystal layer disposed between the first substrate and the second substrate.

公开(公告)号：US09651834B2

公开(公告)日：2017-05-16

申请号：US15144280

申请日：2016-05-02

Applicant: Samsung Display Co., Ltd.

Inventor： Hak Sun Chang ,  Jang Wi Ryu ,  Ki Chul Shin ,  Jae-Soo Jang

IPC: G02F1/1343 ,  G02F1/1362 ,  G02F1/1337 ,  G02F1/139 ,  G02F1/1335

CPC classification number: G02F1/134309 ,  G02F1/133553 ,  G02F1/1337 ,  G02F1/133753 ,  G02F1/136286 ,  G02F1/139 ,  G02F2001/133742 ,  G02F2001/133757 ,  G02F2001/134345 ,  G02F2201/121 ,  G02F2201/123

Abstract: A liquid crystal including: a first substrate; a pixel electrode disposed on the first substrate and including a first subpixel electrode and a second subpixel electrode disposed in one pixel area; a second substrate facing the first substrate; and a common electrode disposed on the second substrate, wherein an area of a region occupied by the first subpixel electrode is less than an area of a region occupied by the second subpixel electrode. Each of the first and second subpixels has a cross-shaped stem and minute branches extending from it to improve side visibility quality and gray scale uniformity.