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：US11973072B2

公开(公告)日：2024-04-30

申请号：US17357800

申请日：2021-06-24

Applicant: Samsung Display Co., LTD.

Inventor： Eung Gyu Lee ,  Jin Suek Kim ,  Sae Ron Park ,  Seung Bo Shim ,  Ho Kil Oh ,  Jae Soo Jang

IPC: H01L25/16 ,  H01L33/50

CPC classification number: H01L25/167 ,  H01L33/507 ,  H01L2933/0091

Abstract: A display device includes: a base layer including a display area including an emission area and a non-emission area adjacent to the emission area, and a non-display area around the display area; a light emitting element in the emission area on the base layer; a color filter layer located above the light emitting element; and a light blocking pattern on the light emitting element and including a first light blocking pattern in the non-emission area and a second light blocking pattern in the non-display area. The first light blocking pattern and the second light blocking pattern are different in thickness from each other.

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：US11871633B2

公开(公告)日：2024-01-09

申请号：US17480709

申请日：2021-09-21

Applicant: Samsung Display Co., LTD.

Inventor： Sae Ron Park ,  Kyung Min Kim ,  Jin Suek Kim ,  Jae Soo Jang

IPC: H10K59/18 ,  H10K59/38 ,  H10K59/126

CPC classification number: H10K59/18 ,  H10K59/126 ,  H10K59/38

Abstract: A display device includes a substrate including a display area including emission areas and a light blocking area; and a non-display area adjacent to the display area; a thin-film transistor layer disposed on the substrate and including thin-film transistors; a light-emitting element layer disposed on the thin-film transistor layer and including light-emitting elements; a wavelength conversion layer disposed on the light-emitting element layer that converts a peak wavelength of a light from at least a part of the of light-emitting elements; and a color filter layer disposed on the wavelength conversion layer, and including color filters corresponding to the emission areas and a first light blocking part corresponding to the light blocking area and the non-display area. A transmittance of the first light blocking part with respect to a light having a wavelength of about 1000 nm or more is about 80% or more.

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：US20220059611A1

公开(公告)日：2022-02-24

申请号：US17443575

申请日：2021-07-27

Applicant: Samsung Display Co., Ltd.

Inventor： Ho Kil Oh ,  Jin Suek KIM ,  Sae Ron Park ,  Seung Bo Shim ,  Eung Gyu Lee ,  Jae Soo Jang

IPC: H01L27/15 ,  H01L33/50

Abstract: A tiled display device includes a first display device including a first pixel, and a second display device coupled to the first display device in a bonding area, including a second pixel, and overlapping the first display device in the bonding area in a plane view.

公开(公告)号：US20190018273A1

公开(公告)日：2019-01-17

申请号：US16013602

申请日：2018-06-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sae Ron Park ,  Jin Suek Kim ,  Hyun Soo Ryu ,  Se Joon Oh ,  Sang Hun Lee

IPC: G02F1/1339 ,  G02F1/1368 ,  G02F1/1335 ,  C09B1/00 ,  C09B57/00 ,  C09B29/20 ,  C09B29/52 ,  C09B33/16

Abstract: A display device includes: a light unit for emitting blue light; a color conversion panel on the light unit; a display panel between the light unit and the color conversion panel, the display panel comprising transistors; and column spacers between the transistors and the color conversion panel, the column spacers overlapping the transistors. The color conversion panel includes: a substrate; color conversion layers between the substrate and the display panel, the color conversion layers comprising semiconductor nanocrystals; a transmission layer between the substrate and the display panel; and polarization layers between the color conversion layers and the display panel and between the transmission layer and the display panel. The column spacers include a pigment that absorbs blue light.

公开(公告)号：US12211408B2

公开(公告)日：2025-01-28

申请号：US18385064

申请日：2023-10-30

Applicant: Samsung Display Co., LTD.

Inventor： Si Jin Sung ,  Sae Ron Park

IPC: G09G3/00

Abstract: An apparatus for evaluating a lifetime of a display panel including first pixels disposed in a first display area and second pixels disposed in a second display area, includes: a controller for driving the first pixels with a first grayscale and the second pixels with a second grayscale during an aging period calculating a first current, a second current, and a third current, which are supplied to the display panel; a luminance calculator for calculating a first luminance of the first display area and calculating a second luminance of the second display area; and a corrector for calculating a first correction current and a second correction current. The controller calculates a first efficiency lifetime and a second efficiency lifetime, and evaluates the lifetime of the display panel based on the first efficiency lifetime and the second efficiency lifetime.

公开(公告)号：US11143919B2

公开(公告)日：2021-10-12

申请号：US16416255

申请日：2019-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： Sae Ron Park ,  Chang Hun Kwak ,  Jin Suek Kim

IPC: G02F1/1339 ,  G02F1/1362 ,  G02F1/1343

Abstract: A liquid crystal display includes: a first substrate; a gate line provided in a first direction on the first substrate; a data line insulated from the gate line and provided in a second direction that is perpendicular to the first direction; a sub-spacer overlapping the data line and provided in a bar shape extending in the second direction; a second substrate overlapping the first substrate; and a liquid crystal layer provided between the first substrate and the second substrate, wherein the sub-spacer includes a separation region from which a part of the sub-spacer is removed.

公开(公告)号：US11143918B2

公开(公告)日：2021-10-12

申请号：US16243065

申请日：2019-01-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sae Ron Park ,  Do Yeong Park ,  Hyun Soo Ryu

IPC: G02F1/1339

Abstract: A display device includes: a base substrate including a display area and a peripheral area; a scan driver disposed on the peripheral area of the base substrate; and a spacer overlapping the scan driver, wherein the spacer includes a first spacer and a second spacer which are spaced apart from each other and have different heights.