公开(公告)号：US11598994B2

公开(公告)日：2023-03-07

申请号：US17687706

申请日：2022-03-07

Applicant: Samsung Display Co. Ltd.

Inventor： Sae Ron Park ,  Jung Hyun Ahn

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337

Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.

公开(公告)号：US10816845B2

公开(公告)日：2020-10-27

申请号：US16407112

申请日：2019-05-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Hyun Ahn ,  Hyo Suk Park ,  Ho-Yong Shin ,  Sang Hun Lee

IPC: G02F1/1335 ,  G02F1/13357

Abstract: A liquid crystal display may include a substrate and a color filter set disposed on the substrate. The color filter may include a blue color filter. The blue color filter may include a blue pigment, a violet dye, and a violet absorbing pigment. The violet absorbing pigment may absorb light having a wavelength in a range of 410 nm to 450 nm. The blue color filter may have transmittance in a range of 20% to 30% with respect to light having a wavelength in a range of 425 nm to 435 nm.

公开(公告)号：US10591781B2

公开(公告)日：2020-03-17

申请号：US16214134

申请日：2018-12-10

Applicant: Samsung Display Co. Ltd.

Inventor： Sae Ron Park ,  Jung Hyun Ahn

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337

Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.

公开(公告)号：US20210124201A1

公开(公告)日：2021-04-29

申请号：US17140624

申请日：2021-01-04

Applicant: Samsung Display Co. Ltd.

Inventor： Sae Ron Park ,  Jung Hyun Ahn

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337

Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.

公开(公告)号：US12261160B2

公开(公告)日：2025-03-25

申请号：US17705925

申请日：2022-03-28

Applicant: Samsung Display Co., LTD.

Inventor： Ki Hoon Park ,  Jung Hyun Ahn ,  Hyun Deok Im

IPC: H01L27/12 ,  H01L25/16 ,  H01L23/00

Abstract: A display device includes first banks extending in a first direction and that are spaced apart from each other in a second direction intersecting the first direction, a first electrode extending in the first direction and including a first part disposed between the first banks, a second electrode extending in the first direction and including a second part spaced apart from the first part in the second direction and disposed between the first banks, a first dummy pattern disposed on one of the first banks and spaced apart from the first part, a second dummy pattern disposed on another one of the first banks and spaced apart from the second part, and light-emitting elements disposed between the first banks, the light-emitting elements having at least one end portion disposed on one of the first part of the first electrode and the second part of the second electrode.

公开(公告)号：US12113047B2

公开(公告)日：2024-10-08

申请号：US17545439

申请日：2021-12-08

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hyun Ahn ,  Buem Joon Kim ,  Won Ho Lee ,  Hyun Deok Im

IPC: H01L23/00 ,  B41M5/00 ,  H01L25/16

CPC classification number: H01L24/95 ,  B41M5/0023 ,  H01L24/76 ,  H01L25/167 ,  H01L24/82 ,  H01L2224/7655 ,  H01L2224/76655 ,  H01L2224/82101 ,  H01L2224/95102 ,  H01L2224/95145

Abstract: An ink leveling device includes a stage on which a target substrate is disposed, base frames disposed at sides of the stage, moving members coupled to the base frames and movable upward and downward, and at least one plate coupled to the moving members and disposed to press the target substrate. Light-emitting element ink is disposed on the target substrate.

公开(公告)号：US11269223B2

公开(公告)日：2022-03-08

申请号：US17140624

申请日：2021-01-04

Applicant: Samsung Display Co. Ltd.

Inventor： Sae Ron Park ,  Jung Hyun Ahn

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337

Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.

公开(公告)号：US12261246B2

公开(公告)日：2025-03-25

申请号：US17494446

申请日：2021-10-05

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Jung Hyun Ahn ,  Won Ho Lee ,  Hae Yun Choi

IPC: H01L33/38 ,  H01L25/16 ,  H01L33/08 ,  H01L33/14 ,  H01L33/20 ,  H01L33/62

Abstract: A display device comprises a first electrode and a second electrode on a substrate, a first insulating layer on the first electrode and the second electrode, light emitting elements on the first insulating layer each having a first end on the first electrode and a second end on the second electrode, a first connection electrode disposed on the first electrode and electrically contacting the first end of each of the light emitting elements, a second connection electrode disposed on the second electrode and electrically contacting the second end of each of the light emitting elements, a second insulating layer on the light emitting elements, the first connection electrode and the second connection electrode, and a third connection electrode disposed on the second insulating layer and electrically contacting the light emitting elements through an opening formed in the second insulating layer that partially exposes the light emitting elements.

公开(公告)号：US10884295B2

公开(公告)日：2021-01-05

申请号：US16781898

申请日：2020-02-04

Applicant: Samsung Display Co. Ltd.

Inventor： Sae Ron Park ,  Jung Hyun Ahn

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1368 ,  G02F1/1337

Abstract: A display device including a first display substrate including a switching element disposed on a first base, a height difference generation pattern disposed on the switching element to overlap with the switching element, a color filter layer disposed on the height difference generation pattern and covering the height difference generation pattern, an organic layer disposed on the color filter layer and including a protruding part overlapping the height difference generation pattern, and a pixel electrode disposed on the organic layer, electrically connected to the switching element, and not overlapping the protruding part; a second display substrate including a second base facing the first base; a liquid crystal layer disposed between the first and second display substrates; and a column spacer disposed between a first surface of the second base facing the first base and the organic layer and overlapping the protruding part.