公开(公告)号：US11029568B2

公开(公告)日：2021-06-08

申请号：US15863281

申请日：2018-01-05

Applicant: Samsung Display Co., Ltd.

Inventor： Suk Hoon Kang ,  Yeong Rong Park ,  Mi Hwa Lee ,  Jun Woo Lee ,  Baek Kyun Jeon

IPC: G02F1/1337 ,  C08G73/10 ,  C09D179/08

Abstract: A photoalignment agent is provided. The photoalignment agent includes a copolymer of ii) at least one of a cyclobutanedianhydride (CBDA) and a cyclobutanedianhydride (CBDA) derivative, and ii) a diamine, and the diamine includes an electron donor group.

公开(公告)号：US09772516B2

公开(公告)日：2017-09-26

申请号：US14266357

申请日：2014-04-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hee-Keun Lee ,  Suk Hoon Kang ,  Sang Il Kim ,  Yeun Tae Kim ,  Dong Youb Oh ,  Mi Hwa Lee ,  Woo Jae Lee ,  Jun Woo Lee

IPC: G02F1/1333 ,  G02F1/1337

CPC classification number: G02F1/1333 ,  G02F1/133377 ,  G02F1/133788 ,  G02F2001/133368

Abstract: A liquid crystal display is provided that includes: a substrate; a thin film transistor disposed on the substrate; a protection layer disposed on the thin film transistor; a first electrode and a second electrode disposed on the protection layer; an alignment layer disposed on the second electrode; and a roof layer facing the second electrode, wherein a plurality of microcavities are formed between the second electrode and the roof layer, the microcavities include a liquid crystal material, and the alignment layer includes a photo-alignment material.

公开(公告)号：US10202491B2

公开(公告)日：2019-02-12

申请号：US14260407

申请日：2014-04-24

Applicant: Samsung Display Co., Ltd.

Inventor： Suk Hoon Kang ,  Hoi-Lim Kim ,  Yeong Rong Park ,  Mi Hwa Lee ,  Jun Woo Lee ,  Baek Kyun Jeon

IPC: G02F1/1337 ,  C08G73/10

Abstract: A liquid crystal photoalignment agent is provided. The liquid crystal photoalignment agent is a copolymer of a cyclobutane dianhydride (“CBDA”) and a CBDA derivative.

公开(公告)号：US09459495B2

公开(公告)日：2016-10-04

申请号：US14298179

申请日：2014-06-06

Applicant: Samsung Display Co., Ltd.

Inventor： Suk Hoon Kang ,  Yeong Rong Park ,  Sang Hee Yu ,  Mi Hwa Lee ,  Jun Woo Lee ,  Baek Kyun Jeon ,  Pil Ho Huh

IPC: C09K19/00 ,  G02F1/1337 ,  H01L27/12

CPC classification number: G02F1/133723 ,  G02F1/133788 ,  H01L27/1259 ,  Y10T428/10 ,  Y10T428/1023

Abstract: Provided is a liquid crystal display that includes: a first substrate; a thin film transistor disposed on the first substrate; a first electrode connected to the thin film transistor; and a first alignment layer disposed on the first electrode. The first alignment layer is formed by polymerizing a diamine and at least one of cyclobutane dianhydride (CBDA) and a cyclobutane dianhydride (CBDA) derivative. A decomposition efficiency representing a change in imidization ratio included before and after light exposure of the first alignment layer is in a range of 10% to 30%.

Abstract translation: 提供一种液晶显示器，其包括：第一基板; 设置在所述第一基板上的薄膜晶体管; 连接到所述薄膜晶体管的第一电极; 以及设置在第一电极上的第一取向层。 通过使二胺和环丁烷二酐（CBDA）和环丁烷二酐（CBDA）衍生物中的至少一种聚合形成第一取向层。 表示第一取向层的曝光前后包含的酰亚胺化率的变化的分解效率为10％〜30％的范围。

公开(公告)号：US11703728B2

公开(公告)日：2023-07-18

申请号：US16926016

申请日：2020-07-10

Applicant: Samsung Display Co., LTD.

Inventor： Yi Seop Shim ,  Su Jeong Kim ,  Mi Hwa Lee ,  Yun Ho Lee ,  Jun Woo Lee

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/136209 ,  G02F1/1368 ,  G02F1/136286 ,  G02F2201/123

Abstract: A black matrix composition and a display device including the same are provided. The black matrix composition includes solids including a pigment including a carbon black and an array of vertically aligned carbon nanotubes, a binder, a monomer, a photoinitiator and an additive, and a solvent.

公开(公告)号：US10108050B2

公开(公告)日：2018-10-23

申请号：US14479579

申请日：2014-09-08

Applicant: Samsung Display Co., Ltd.

Inventor： Yeong Rong Park ,  Suk Hoon Kang ,  Mi Hwa Lee ,  Baek Kyun Jeon

IPC: G02F1/13 ,  G02F1/1337 ,  C08G73/16 ,  C09D179/08 ,  C08G73/10 ,  G02F1/1333 ,  G02F1/1343

Abstract: A photoalignment agent is provided. The photoalignment agent includes a copolymer of at least one of a cyclobutanedianhydride (CBDA) and a cyclobutanedianhydride (CBDA) derivative, and a realignment property diamine, wherein two or more aromatic rings in the realignment property diamine are connected by an ester group.

公开(公告)号：US20180057741A1

公开(公告)日：2018-03-01

申请号：US15610789

申请日：2017-06-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： MIN HEE KIM ,  So Youn Park ,  Tae Ho Kim ,  Mi Hwa Lee ,  Kyung Ho Park ,  Chang Hun Lee

IPC: C09K19/30 ,  G02F1/1333 ,  G02F1/1343 ,  C09K19/02 ,  C09K19/56 ,  C07C23/18

Abstract: A liquid crystal display includes a first base substrate, a second base substrate, an electrode part, and a liquid crystal layer. The second base substrate is disposed opposite to the first base substrate. The electrode party is disposed on at least one of the first base substrate and the second base substrate. The liquid crystal layer is disposed between the first base substrate and the second base substrate. The liquid crystal layer includes a liquid crystal composition. The liquid crystal composition includes at least one kind of liquid crystal compounds including a cyclopentadienyl group.

公开(公告)号：US09810949B2

公开(公告)日：2017-11-07

申请号：US15169858

申请日：2016-06-01

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hwa Lee ,  Min Hee Kim ,  Soo Jung Youn ,  Chang Hun Lee ,  Sung Hwan Hong

IPC: G02F1/13 ,  G02F1/1337 ,  G02F1/1335 ,  G02F1/1343 ,  G02F1/1333

CPC classification number: G02F1/133788 ,  G02F1/1303 ,  G02F1/133514 ,  G02F1/134363 ,  G02F2001/133388 ,  G02F2001/133397

Abstract: An apparatus for manufacturing a display device includes: a stage on which a substrate to be processed is supported, the substrate to be processed including a first alignment layer of the display device; an optical system facing the substrate to be processed which is supported on the stage, the optical system including a light source which irradiates ultraviolet rays to the substrate to be processed; and a mask which is interposed between the light source and the substrate to be processed which includes the first alignment layer of the display device. The mask defines: a transmitting portion thereof through which the ultraviolet rays irradiated from the light source are transmitted to the first alignment layer of the substrate to be processed, and a blocking portion thereof which blocks transmission of the ultraviolet rays irradiated from the light source to the substrate to be processed.

公开(公告)号：US11342536B2

公开(公告)日：2022-05-24

申请号：US16744030

申请日：2020-01-15

Applicant: Samsung Display Co., LTD.

Inventor： Jin Hyeong Lee ,  Su Jeong Kim ,  Jong Ho Son ,  Mi Hwa Lee ,  Yun Ho Lee

IPC: H01L51/52 ,  H01L27/32 ,  H01L27/14 ,  H01L33/44 ,  G02F1/13 ,  H01L51/56 ,  G02F1/1335 ,  H01L27/146 ,  G02F1/1362

Abstract: A display device includes: a display layer having a display area including a plurality of pixel areas and a peripheral area at least partially surrounding the display area; and a cover layer disposed on the display layer to encapsulate the display area. The cover layer includes: a light blocking portion overlapping the display area and the peripheral area and including a plurality of openings to transmit light from the plurality of pixel areas and to block light in the peripheral area; a first protrusion disposed on the light blocking portion in the peripheral area and surrounding the display area; and an overcoating layer covering the display area and contacting a lateral surface of the first protrusion.

公开(公告)号：US10421907B2

公开(公告)日：2019-09-24

申请号：US15610789

申请日：2017-06-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Hee Kim ,  So Youn Park ,  Tae Ho Kim ,  Mi Hwa Lee ,  Kyung Ho Park ,  Chang Hun Lee

IPC: C09K19/30 ,  C07C23/18 ,  C09K19/02 ,  C09K19/56 ,  G02F1/1333 ,  G02F1/1343 ,  C07C43/225 ,  C07C25/18 ,  C09K19/04 ,  G02F1/1337 ,  C09K19/12

Abstract: A liquid crystal display includes a first base substrate, a second base substrate, an electrode part, and a liquid crystal layer. The second base substrate is disposed opposite to the first base substrate. The electrode part is disposed on at least one of the first base substrate and the second base substrate. The liquid crystal layer is disposed between the first base substrate and the second base substrate. The liquid crystal layer includes a liquid crystal composition. The liquid crystal composition includes at least one kind of liquid crystal compounds including a cyclopentadienyl group.