公开(公告)号：US20190250467A1

公开(公告)日：2019-08-15

申请号：US16392583

申请日：2019-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Su Jeong KIM ,  Oh Jeong KWON ,  Ki Chul SHIN

IPC: G02F1/1337

CPC classification number: G02F1/133753 ,  G02F1/133788 ,  G02F2001/133726 ,  G02F2001/133761 ,  G02F2001/133773

Abstract: A liquid crystal display includes a thin film transistor panel including a first alignment layer, an opposing panel including a second alignment layer, and opposite to the thin film transistor panel, and a liquid crystal layer between the thin film transistor panel and the opposing panel, and including liquid crystal molecules, wherein a difference between a pretilt angle provided by the first alignment layer and a pretilt angle provided by the second alignment layer is equal to or greater than about 0.8 degree.

公开(公告)号：US20180244922A1

公开(公告)日：2018-08-30

申请号：US15748461

申请日：2016-07-29

Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.

Inventor： Tatsuya NAGI

IPC: C08L101/02 ,  C08L101/12 ,  G02F1/1337

CPC classification number: C08L101/02 ,  C08F20/30 ,  C08F216/36 ,  C08F220/30 ,  C08F220/34 ,  C08F232/08 ,  C08F238/00 ,  C08F2220/301 ,  C08F2220/302 ,  C08F2220/303 ,  C08F2220/346 ,  C08K5/00 ,  C08L101/12 ,  C09K19/0208 ,  C09K19/3833 ,  C09K19/3852 ,  C09K19/56 ,  G02F1/133711 ,  G02F1/133753 ,  G02F1/133788 ,  G02F2001/133726 ,  G02F2001/133746 ,  G02F2001/133757 ,  G02F2201/12 ,  G02F2202/023 ,  Y10T428/10 ,  Y10T428/1005

Abstract: The present invention relates to a polymer composition which contains (A) a photosensitive side-chain polymer that exhibits liquid crystallinity in a predetermined temperature range and has a repeating unit comprising a vertically aligning group, and (B) an organic solvent. The present invention provides: a liquid crystal alignment film which has excellent tilt angle characteristics, while being provided with alignment controllability with high efficiency; a polymer composition which enables the achievement of this liquid crystal alignment film; a twisted nematic liquid crystal display element; and a vertical field switching mode liquid crystal display element.

公开(公告)号：US10018875B2

公开(公告)日：2018-07-10

申请号：US15002012

申请日：2016-01-20

Applicant: Samsung Display Co. Ltd.

Inventor： Ji Hong Bae ,  Heung Shik Park ,  Keun Chan Oh

IPC: G02F1/1337 ,  G02F1/1341 ,  C07D211/46 ,  C07D211/22 ,  C09K19/54 ,  C09K19/34 ,  C09K19/56 ,  C08G73/10

CPC classification number: G02F1/133711 ,  C07D211/22 ,  C07D211/46 ,  C08G73/1042 ,  C08G73/1078 ,  C09K19/3483 ,  C09K19/54 ,  C09K19/542 ,  C09K19/56 ,  C09K2019/548 ,  G02F1/133707 ,  G02F1/133788 ,  G02F1/1341 ,  G02F2001/133726 ,  G02F2001/133742

Abstract: A curved liquid crystal display comprises, a first curved substrate; a second curved substrate facing the first curved substrate; a liquid crystal layer disposed between the first curved substrate and the second curved substrate; a first curved liquid crystal alignment layer disposed between the liquid crystal layer and the first curved substrate and containing a light stabilizer; and a second curved liquid crystal alignment layer disposed between the liquid crystal layer and the second curved substrate.

公开(公告)号：US20180143470A1

公开(公告)日：2018-05-24

申请号：US15795067

申请日：2017-10-26

Applicant: MAGIC LEAP, INC.

Inventor： Chulwoo Oh ,  Mauro Melli ,  Christophe Peroz ,  Vikramjit Singh ,  Frank Xu ,  Michael Anthony Klug

IPC: G02F1/1347

CPC classification number: G02F1/1347 ,  B81C1/0046 ,  B82Y20/00 ,  G02B3/00 ,  G02F1/29 ,  G02F2001/133726 ,  G02F2203/24 ,  G02F2203/28

Abstract: An optical device includes a liquid crystal layer having a first plurality of liquid crystal molecules arranged in a first pattern and a second plurality of liquid crystal molecules arranged in a second pattern. The first and the second pattern are separated from each other by a distance of about 20 nm and about 100 nm along a longitudinal or a transverse axis of the liquid crystal layer. The first and the second plurality of liquid crystal molecules are configured as first and second grating structures that can redirect light of visible or infrared wavelengths.

公开(公告)号：US09885916B2

公开(公告)日：2018-02-06

申请号：US14401536

申请日：2014-10-14

Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD

Inventor： Bing Han ,  Caiqin Chen

IPC: G02F1/1337 ,  G02F1/1335 ,  G02F1/1341 ,  G02F1/1343

CPC classification number: G02F1/133711 ,  G02F1/133514 ,  G02F1/133788 ,  G02F1/1341 ,  G02F1/13439 ,  G02F2001/133726

Abstract: The present invention proposes a manufacturing method of a liquid crystal display panel. The method includes: injecting liquid crystal molecules having monomers into a liquid crystal box; detecting an alternating-current deflection voltage between a transparent electrode of an array substrate and a transparent electrode of a color filter substrate in connection areas of the liquid crystal display panel; applying the alternating-current deflection voltage between the transparent electrode of the array substrate and the transparent electrode of the color filter substrate when values of the alternating-current deflection voltage are all equal to a setting value; irradiating the liquid crystal display panel to form the polymer alignment films.

公开(公告)号：US20170351147A1

公开(公告)日：2017-12-07

申请号：US15684219

申请日：2017-08-23

Applicant: FUJIFILM Corporation

Inventor： Nobuyuki AKUTAGAWA ,  Jun TAKEDA ,  Akio TAMURA

IPC: G02F1/1337 ,  G02F1/1335 ,  G02F1/13363

CPC classification number: G02F1/133711 ,  G02F1/133504 ,  G02F1/133536 ,  G02F1/13363 ,  G02F1/133784 ,  G02F1/133788 ,  G02F2001/133507 ,  G02F2001/133541 ,  G02F2001/133543 ,  G02F2001/133638 ,  G02F2001/133726 ,  G02F2001/133765 ,  G02F2413/01 ,  G02F2413/05

Abstract: A laminate is capable of forming an orientation film formed by orienting a rod-like liquid crystal compound or a disk-like liquid crystal compound having a horizontal orientation ability or a vertical orientation ability with respect to a surface of the laminate, on the surface, by using an orientation restraining force of the surface, the laminate including: a cholesteric liquid crystal layer. An optical film sequentially includes: a support; a cholesteric liquid crystal layer; and an orientation film.

公开(公告)号：US09753331B2

公开(公告)日：2017-09-05

申请号：US14428491

申请日：2014-06-30

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Jifeng Tan ,  Xinxing Wang ,  Jikai Yao ,  Jaegeon You

IPC: C09K19/00 ,  G02F1/1337 ,  C09K19/34 ,  C09K19/32

CPC classification number: G02F1/133711 ,  C09K19/32 ,  C09K19/3475 ,  G02F2001/133726 ,  G02F2001/133738 ,  G02F2001/133742 ,  Y10T428/10 ,  Y10T428/1005

Abstract: An alignment film and a fabrication method thereof, a liquid crystal panel and a display device, relate to a field of liquid crystal display technology, which can avoid causing static electricity and generating dust during a rubbing process, as well as unevenness of alignment. The method comprises: dispersing discotic liquid crystal molecules containing hydrophobic branched chains in a solvent, to prepare a discotic liquid crystal molecule solution (101); and applying the discotic liquid crystal molecule solution on a substrate, and obtaining the alignment film after removing the solvent (102).

公开(公告)号：US20170184923A1

公开(公告)日：2017-06-29

申请号：US15318710

申请日：2015-06-16

Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.

Inventor： Hiroyuki OMURA ,  Noritoshi MIKI ,  Jun HASHIMOTO ,  Kazuyoshi HOSAKA

IPC: G02F1/1337 ,  G02F1/1334 ,  C08G73/12 ,  C09K19/56 ,  C08G73/10

CPC classification number: G02F1/133723 ,  C08G73/1007 ,  C08G73/1042 ,  C08G73/12 ,  C08K5/06 ,  C08L79/08 ,  C09K19/56 ,  C09K2019/0448 ,  G02F1/1334 ,  G02F1/133788 ,  G02F2001/133302 ,  G02F2001/133726 ,  G02F2202/023 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1023

Abstract: To provide a liquid crystal display device, in which the vertical alignment property of the liquid crystal is high, favorable transparency when no voltage is applied and favorable scattering property when a voltage is applied are achieved, and the adhesion between the liquid crystal layer and the vertical liquid crystal alignment film is high.A liquid crystal display device, which comprises a liquid crystal layer formed by disposing a liquid crystal composition containing a polymerizable compound which undergoes a polymerization reaction by ultraviolet rays, between a pair of substrates provided with an electrode, and irradiating the liquid crystal composition with ultraviolet rays and curing it in such a state that the liquid crystal composition partly or entirely shows liquid crystallinity, and at least one of the substrates being provided with a liquid crystal alignment film to vertically align a liquid crystal, wherein the liquid crystal alignment film is a liquid crystal alignment film obtained from a liquid crystal aligning agent containing a polymer having a first side chain structure and a second side chain structure.

公开(公告)号：US09678387B2

公开(公告)日：2017-06-13

申请号：US14983303

申请日：2015-12-29

Applicant: Samsung Display Co., Ltd.

Inventor： Ho Lim

IPC: C09K19/00 ,  G02F1/1337 ,  C09K19/56 ,  C09K19/54

CPC classification number: G02F1/133711 ,  C09K19/54 ,  C09K19/56 ,  G02F1/133707 ,  G02F2001/133726 ,  G02F2001/133742 ,  Y10T428/10 ,  Y10T428/1005 ,  Y10T428/1023

Abstract: A liquid crystal display including a first substrate; a second substrate facing the first substrate; an alignment layer disposed on at least one of the first substrate and the second substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including a reactive mesogen; and bumps disposed adjacent to a surface of the alignment layer, wherein the alignment layer comprises a main chain and a plurality of side chains connected to the main chain, and the side chains comprise a polymerization inhibiting agent group.

公开(公告)号：US09671647B2

公开(公告)日：2017-06-06

申请号：US14605146

申请日：2015-01-26

Applicant: Samsung Display Co., Ltd.

Inventor： Su Jeong Kim ,  Kichul Shin ,  Jae Hoon Jung

IPC: G02F1/1337 ,  G02F1/1343

CPC classification number: G02F1/133707 ,  G02F1/133753 ,  G02F2001/133726 ,  G02F2001/133761 ,  G02F2001/134345

Abstract: A curved display device includes: a display substrate curved along a first direction; an opposing substrate coupled with the display substrate and curved together with the display substrate; and a liquid crystal layer including liquid crystal molecules interposed between the display substrate and the opposing substrate, where the opposing substrate includes: a common electrode; and a first alignment layer disposed on the common electrode and which aligns a first portion of the liquid crystal molecules at a first pre-tilt angle, and the display substrate includes: a pixel electrode disposed in each of a plurality of pixel areas, where a slit is defined in the pixel electrode; and a second alignment layer disposed on the pixel electrode and which aligns a second portion of the liquid crystal molecules at a second pre-tilt angle, which is greater than the first pre-tilt angle.