公开(公告)号：US11367823B2

公开(公告)日：2022-06-21

申请号：US17049950

申请日：2018-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Hyun Min Cho ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Keun Kyu Song ,  Joo Yeol Lee ,  Bek Hyun Lim ,  Sung-Chan Jo

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38 ,  H01L33/24 ,  H01L33/60

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.

公开(公告)号：US11189681B2

公开(公告)日：2021-11-30

申请号：US16409991

申请日：2019-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Kyeong Su Ko ,  Joon Geol Lee ,  Shin Il Choi ,  Sang Gab Kim ,  Hyun Min Cho ,  Hyun Eok Shin

IPC: H01L51/05 ,  H01L51/00 ,  H01L27/32 ,  H01L51/56

Abstract: An OLED display according to an exemplary embodiment includes: a substrate; a gate insulation layer that is disposed on the substrate; and a gate wire that is disposed on the gate insulation layer, and includes a gate electrode, wherein the gate wire includes a single layer of aluminum or an aluminum alloy, and an angle formed by side surfaces of the gate wire and the gate insulation layer is less than 65°.

公开(公告)号：US11183518B2

公开(公告)日：2021-11-23

申请号：US16987952

申请日：2020-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yu-Gwang Jeong ,  Hyun Min Cho ,  Su Bin Bae ,  Shin Il Choi ,  Sang Gab Kim

IPC: H01L27/12 ,  H01L21/311 ,  H01L29/417 ,  H01L29/786 ,  G02F1/1368 ,  H01L27/32

Abstract: A transistor array panel is manufactured by a method that reduces or obviates the need for highly selective etching agents or complex processes requiring multiple photomasks to create contact holes. The panel includes: a substrate; a buffer layer positioned on the substrate; a semiconductor layer positioned on the buffer layer; an intermediate insulating layer positioned on the semiconductor layer; and an upper conductive layer positioned on the intermediate insulating layer, wherein the semiconductor layer includes a first contact hole, the intermediate insulating layer includes a second contact hole positioned in an overlapping relationship with the first contact hole, and the upper conductive layer is in contact with a side surface of the semiconductor layer in the first contact hole.

公开(公告)号：US11152424B2

公开(公告)日：2021-10-19

申请号：US16461780

申请日：2019-01-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xin Xing Li ,  Tae Jin Kong ,  Hee Keun Lee ,  Hyun Min Cho ,  Chang Il Tae

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/44 ,  H01L33/62 ,  H01L33/60

Abstract: A display device includes at least one first and second electrodes extending in a first direction, at least one first and second light emitting elements disposed therebetween, a first contact electrode partially covering the first electrode and contacting a first end of the first light emitting element, a second contact electrode partially covering the second electrode and contacting a third end of the second light emitting element, and a third contact electrode disposed between the first and second contact electrodes and contacting a second end of the first light emitting element and a fourth end of the second light emitting element, in which a distance between the first and second electrodes is greater than a longitudinal length of at least one of the first and second light emitting elements, and the first and second light emitting elements are connected in series between the first and second electrodes.

公开(公告)号：US11069829B2

公开(公告)日：2021-07-20

申请号：US16435313

申请日：2019-06-07

Applicant: Samsung Display Co. Ltd.

Inventor： Jung Hong Min ,  Dae Hyun Kim ,  Hyun Min Cho ,  Jong Hyuk Kang ,  Dong Uk Kim ,  Seung A Lee ,  Hyun Deok Im ,  Hyung Rae Cha

IPC: H01L33/00 ,  H01L33/30

Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.

公开(公告)号：US11005009B2

公开(公告)日：2021-05-11

申请号：US16456821

申请日：2019-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Chi O Cho ,  Hyun Min Cho

IPC: H01L33/24 ,  H01L33/00 ,  H01L33/16 ,  H01L27/15 ,  H01L33/32 ,  H01L33/38 ,  H01L33/44 ,  H01L25/075 ,  G09G3/32 ,  H01L27/12

Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.

公开(公告)号：US10803790B2

公开(公告)日：2020-10-13

申请号：US16191306

申请日：2018-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Sung Chul Kim ,  Hye Yong Chu ,  Jong Hyuk Kang ,  Dae Hyun Kim ,  Keun Kyu Song ,  Hyun Deok Im

IPC: G09G3/3208 ,  G09G3/32

Abstract: A display device includes a plurality of data lines to supply data voltages, a plurality of scan lines to supply scan signals, and a first pixel connected to at least one of the plurality of data lines, and connected to at least one of the plurality of scan lines, the first pixel including a first light-emitting diode of a first color, in which an anode is connected to a first node and a cathode is connected to a reference voltage line, and a second light-emitting diode of a second color that is different from the first color, in which an anode is connected to the reference voltage line, and a cathode is connected to the first node.

公开(公告)号：US10769990B2

公开(公告)日：2020-09-08

申请号：US16169749

申请日：2018-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Sung Chul Kim ,  Hye Yong Chu ,  Keun Kyu Song

IPC: H01L33/00 ,  G09G3/3225 ,  H01L33/20 ,  H01L33/38 ,  G06F3/042 ,  H01L33/32 ,  G06F3/041

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.

公开(公告)号：US10102821B2

公开(公告)日：2018-10-16

申请号：US15092320

申请日：2016-04-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min Cho ,  Jae Byung Park ,  Jae Woong Kang ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Sung Jin Hong

IPC: G09G5/02 ,  G09G5/06 ,  G09G5/04

Abstract: An image processing device includes a first look-up table in which first gamma correction values corresponding to a white grayscale are recorded; a second look-up table in which second gamma correction values corresponding to red, green, and blue grayscales are recorded; and a data correcting unit that calculates second image data from received first image data based on a first gamma correction value and a second gamma correction value for the first image data, by referring to the first and second look-up tables.

公开(公告)号：US09995963B2

公开(公告)日：2018-06-12

申请号：US13645207

申请日：2012-10-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Byung Park ,  Sung Sik Yun ,  Jong Hyuk Kang ,  Hae Il Park ,  Hyun Min Cho

IPC: G02F1/1335 ,  G02F2/02

CPC classification number: G02F1/133514 ,  G02F1/133377 ,  G02F1/133528 ,  G02F1/133617 ,  G02F2/02 ,  G02F2201/08 ,  G02F2202/02 ,  G02F2202/36 ,  G02F2203/055

Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.