公开(公告)号：US20150379930A1

公开(公告)日：2015-12-31

申请号：US14738622

申请日：2015-06-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeongho Lee ,  Dohyun Kwon ,  Su-Yeon Sim ,  Ju-Won Yoon ,  Gichang Lee ,  Seungmin Lee ,  Iljeong Lee ,  Choongyoul Im

IPC: G09G3/32

CPC classification number: G09G3/3233 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262

Abstract: An organic light emitting display device includes an (i−1)th pixel, an i-th pixel, and an (i+1)th pixel, each including an organic light emitting diode and a driving transistor to control a driving current flowing through the organic light emitting diode. A first node of the i-th pixel, to which a control electrode of the driving transistor of the i-th pixel is connected, is initialized to an initialization voltage in synchronization with an (i−1)th scan signal applied to the i-th pixel, and an anode of the organic light emitting diode of the i-th pixel is initialized to the initialization voltage in synchronization with an i-th scan signal applied to the (i+1)th pixel.

Abstract translation: 有机发光显示装置包括第（i-1）像素，第i像素和第（i + 1）像素，每个像素包括有机发光二极管和驱动晶体管，以控制流过的驱动电流 有机发光二极管。 连接第i个像素的驱动晶体管的控制电极的第i个像素的第一个节点与施加到i的第（i-1）个扫描信号同步地初始化为初始化电压 第i像素的有机发光二极管的阳极与施加到第（i + 1）像素的第i扫描信号同步地初始化为初始化电压。

公开(公告)号：US20240389404A1

公开(公告)日：2024-11-21

申请号：US18662862

申请日：2024-05-13

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongho Lee ,  Deokhoi Kim ,  Zail Lhee ,  Reehyang Kim ,  Swaehyun Kim ,  Jongbaek Seon ,  Hyejin Jang

IPC: H10K59/124 ,  H10K59/121 ,  H10K59/131 ,  H10K59/65 ,  H10K59/80

Abstract: A display panel includes a substrate, first and second sub-pixel circuits on the substrate and spaced from each other with a transmissive area therebetween, first and second sub-pixel electrodes respectively electrically connected to the first and second sub-pixel circuits, a counter electrode overlapping the first and second sub-pixel electrodes, a common layer including an organic material, and interposed between the first sub-pixel electrode and the counter electrode and between the second sub-pixel electrode and the counter electrode, and a plurality of inorganic insulating layers interposed between the substrate and the first sub-pixel electrode and between the substrate and the second sub-pixel electrode, wherein at least one inorganic insulating layer from the plurality of inorganic insulating layers includes an opening corresponding to the transmissive area, wherein the display panel further includes an overhang structure including a tip extending toward the opening of the at least one inorganic insulating layer.

公开(公告)号：US11930659B2

公开(公告)日：2024-03-12

申请号：US17407455

申请日：2021-08-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeongho Lee ,  Swaehyun Kim ,  Hun Kim ,  Youhan Moon

IPC: H01L51/52 ,  H01L27/12 ,  H01L27/32 ,  H01L29/786 ,  H10K50/844 ,  H10K59/121

CPC classification number: H10K50/844 ,  H01L27/124 ,  H01L29/7869 ,  H10K59/1213

Abstract: A display panel includes: a substrate defining an opening therein; a plurality of light-emitting diodes in a display area surrounding the opening; an encapsulation layer on the plurality of light-emitting diodes, the encapsulation layer including at least one inorganic encapsulation layer and at least one organic encapsulation layer; a first partition wall and a second partition wall in a non-display area between the opening and the display area in a direction from the display area to the opening; and a plurality of grooves defined above the at least one inorganic insulating layer in the non-display area. The at least one inorganic insulating layer is on the substrate. At least one of the plurality of grooves is defined between the first partition wall and the second partition wall and is covered with the organic encapsulation layer.

公开(公告)号：US20240081094A1

公开(公告)日：2024-03-07

申请号：US18315971

申请日：2023-05-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hongbeom Lee ,  Jeongho Lee ,  Swaehyun Kim ,  Youhan Moon ,  Yeonju Seo

IPC: H10K50/844 ,  H01L27/12 ,  H10K59/121 ,  H10K59/124 ,  H10K59/88

CPC classification number: H10K50/844 ,  H01L27/1218 ,  H10K59/1213 ,  H10K59/124 ,  H10K59/88 ,  H10K59/40

Abstract: A display panel includes: a substrate including: a first area; a second area; and a third area between the first and second areas; a light emitting diode at the second area; an encapsulation layer over the light emitting diode; first and second partition walls at the third area; a first separator between the second partition wall and the first area; a second separator between the first separator and the first area; and a first groove between the first separator and the second separator. Each of the first and second separators includes: a first metal pattern layer; a first inorganic pattern layer; a second metal pattern layer; a second inorganic pattern layer; a third metal pattern layer; and a third inorganic pattern layer. An end portion of each of the first, second, and third inorganic pattern layers includes a tip extending toward a center of the first groove.

公开(公告)号：US11832471B2

公开(公告)日：2023-11-28

申请号：US17209498

申请日：2021-03-23

Applicant: Samsung Display Co., LTD.

Inventor： Youhan Moon ,  Deokhoi Kim ,  Swae-Hyun Kim ,  Jeongho Lee ,  Jung-Woo Ha

IPC: H10K50/844 ,  H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K71/00 ,  H10K77/10 ,  H10K59/12

CPC classification number: H10K50/844 ,  H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K71/00 ,  H10K77/111 ,  H10K59/1201

Abstract: A method includes providing an active pattern and gate metal patterns, and inorganic insulation layers respectively therebetween in a pixel area and each extending to a bending area, providing a first photoresist pattern defining a first opening in the bending area, providing by using the first photoresist pattern, at least one of the inorganic layers in the bending area which is etched, providing a remaining photoresist pattern defining a first remaining opening corresponding to the first opening and a second opening corresponding to the active pattern, and providing by using the remaining photoresist pattern, both a contact hole corresponding to the second opening and exposing the portion of the active pattern to outside the remaining photoresist pattern, and a portion of the base substrate corresponding to the first remaining opening and exposed to outside the remaining photoresist pattern.

公开(公告)号：US20230301147A1

公开(公告)日：2023-09-21

申请号：US17969607

申请日：2022-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Minsu Lee ,  Swaehyun Kim ,  Youhan Moon ,  Jeongho Lee

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3276 ,  H01L51/5253

Abstract: A display device includes: a first light-emitting diode at a first display area; a second light-emitting diode at a second display area outside of the first display area; a plurality of sub-pixel circuits at the first display area; a driving circuit at the second display area, and to provide a scan signal to each of the plurality of sub-pixel circuits; a common voltage supply line at a non-display area outside of the second display area; and a common voltage electrode layer on the common voltage supply line, and electrically connected to the common voltage supply line. The second light-emitting diode, a portion of the common voltage electrode layer, and a portion of the driving circuit overlap with each other at the second display area.

公开(公告)号：US20220209187A1

公开(公告)日：2022-06-30

申请号：US17565135

申请日：2021-12-29

Applicant: Samsung Display Co., Ltd.

Inventor： Seunglyong Bok ,  Jeongho Lee ,  Youngran Son

IPC: H01L51/52 ,  H01L27/32

Abstract: A display panel includes a substrate including a display area and a middle area, wherein an opening is defined in the substrate, the display area surrounds the opening, and the middle area is disposed between the opening and the display area; a light-emitting device in the display area, including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; an encapsulation layer covering the light-emitting device, and including at least one inorganic encapsulation layer; a first groove in the middle area on the substrate; and a second groove in the middle area, having an undercut shape that is concave in a thickness direction of a multi-layered film in the substrate.

公开(公告)号：US20190320150A1

公开(公告)日：2019-10-17

申请号：US16455450

申请日：2019-06-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyungchul Lim ,  Wonho Kim ,  Keunsoo Lee ,  Jeongho Lee ,  Yanghee Kim ,  Soyeon Park

IPC: H04N9/31 ,  G09G3/36 ,  G09G3/34

Abstract: A display apparatus including a display panel including a base substrate and a first pad electrode on a first pad portion of the base substrate, a flexible substrate connected to the first pad portion, and a driving chip electrically connected to the flexible substrate. The flexible substrate includes a first film layer, a first wiring layer on the first film layer and comprising a plurality of wirings, a second film layer on the first wiring layer, and a second wiring layer on the second film layer and comprising a plurality of wirings. The wirings of the second wiring layer include a first_first wiring and a first_second wiring, the first_first wiring and the first_second wiring extend in a same direction along a same line and are spaced from each other by a gap therebetween. The gap is at an edge of the base substrate in a plan view.

公开(公告)号：US10304918B2

公开(公告)日：2019-05-28

申请号：US15703786

申请日：2017-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dong-Hyun Lee ,  Jeongho Lee

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/56 ,  G09G3/3225 ,  H01L51/52 ,  G09G3/3233

Abstract: An organic light emitting display device includes: a substrate including an emission region and a non-emission region; a pixel circuit on the substrate, a portion of the pixel circuit overlapping with the emission region; a planarizing conductive member on the pixel circuit; and a pixel electrode on the planarizing conductive member, the pixel electrode having a planarized surface at the emission region.

公开(公告)号：US09952466B2

公开(公告)日：2018-04-24

申请号：US14960653

申请日：2015-12-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jeongho Lee ,  Hyangyul Kim ,  Soojung Chae ,  Junho Song ,  Jeanho Song ,  Sujin Lee ,  Jieun Lee

IPC: G02F1/1343 ,  G02F1/1337 ,  G02F1/1362

CPC classification number: G02F1/133707 ,  G02F1/133753 ,  G02F1/134309 ,  G02F1/134363 ,  G02F1/136286 ,  G02F2001/133757

Abstract: A liquid crystal display includes a display substrate, in which a plurality of domains is defined, includes a pixel electrode disposed in each of the plurality of domains and configured to have a plurality of branch electrodes and a common electrode. A liquid crystal layer disposed between the display substrate and an opposite substrate. A plurality of domains is arranged in a column direction and a row direction. Each of the domains includes first and second sides, a first horizontal edge, and a second horizontal edge facing the first horizontal edge. The second side is parallel with the column direction and the first side is parallel with a first slanted direction. A slit is defined between adjacent branch electrodes. The slit has a first width adjacent to the first horizontal edge, and a second width adjacent to the second horizontal edge.