公开(公告)号：US11455955B2

公开(公告)日：2022-09-27

申请号：US17264703

申请日：2019-03-29

Applicant: Samsung Display Co., Ltd.

Inventor： Myounggeun Cha ,  Sanggun Choi ,  Jiyeong Shin ,  Yongsu Lee

IPC: G09G3/3258 ,  G09G3/3233 ,  G09G3/3225

Abstract: A display device may include a substrate, an organic light emitting element on the substrate, a pixel circuit between the substrate and the organic light emitting element, electrically connected to the organic light emitting element, and including a first transistor and a second transistor, a first metal layer between the substrate and the pixel circuit, overlapping the first transistor, and configured to receive a first voltage, and a second metal layer between the substrate and the pixel circuit, overlapping the second transistor, and configured to receive a second voltage different from the first voltage.

公开(公告)号：US11183650B2

公开(公告)日：2021-11-23

申请号：US16202595

申请日：2018-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： Myounggeun Cha ,  Sanggun Choi ,  Meejae Kang ,  Sanggab Kim ,  Joon woo Bae ,  Thanh Tien Nguyen ,  Kyoungwon Lee ,  Yongsu Lee

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  H01L51/50 ,  H01L51/56

Abstract: A display substrate includes a first conductive layer on a base substrate, a first insulation layer on the first conductive layer, a second conductive layer on the first insulation layer, a second insulation layer on the second conductive layer, and a third conductive layer on the second insulation layer. The third conductive layer is connected to the first conductive layer and the second conductive layer through a contact hole passing through the first insulation layer, the second conductive layer, and the second insulation layer. A sidewall of the contact hole has a stepped shape.

公开(公告)号：US11024696B2

公开(公告)日：2021-06-01

申请号：US16510614

申请日：2019-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： Myounggeun Cha ,  Yongsu Lee ,  Sanggun Choi ,  Jiyeong Shin

IPC: H01L27/32 ,  H01L51/00 ,  H01L27/12

Abstract: A display apparatus has a display area and a non-display area around the display area, the display apparatus includes, in the non-display area, a first power line, a driving circuit on a layer over the first power line, and a second power line electrically connected to the first power line and on a same layer on which one electrode of the driving circuit is arranged.

公开(公告)号：US09634041B2

公开(公告)日：2017-04-25

申请号：US14461618

申请日：2014-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Yeon Chae ,  Sanggun Choi ,  Hansu Kim ,  Taewoon Cha

IPC: G02F1/1339 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1368 ,  H01L27/02 ,  H01L27/12 ,  G02F1/1362

CPC classification number: H01L27/1259 ,  G02F1/133377 ,  G02F1/133512 ,  G02F1/136209 ,  G02F2001/136222

Abstract: A display apparatus includes a number of pixels. Each pixel includes a substrate including a pixel area and a non-pixel area disposed between adjacent pixel areas, a first electrode disposed on the substrate in the pixel area, and a second electrode extending in a first direction and being spaced apart upward from the substrate by a predetermined distance in the pixel area defining a tunnel-shaped cavity, an image display layer disposed in the tunnel-shaped cavity and driven by an electric field formed between the first electrode and the second electrode, a roof layer disposed on the second electrode, and a sealing layer extending in the first direction, having a black color, and being disposed in the non-pixel area between adjacent pixel areas in a second direction crossing the first direction to seal the tunnel-shaped cavity.

公开(公告)号：US20210320278A1

公开(公告)日：2021-10-14

申请号：US17092568

申请日：2020-11-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yungbin Chung ,  Sanggun Choi ,  Yeoungkeol Woo ,  Myounggeun Cha ,  Eunjin Kwak

IPC: H01L51/52 ,  H01L51/56 ,  H01L29/786

Abstract: A display apparatus includes a first substrate, a main pixel circuit located on the first substrate and including a first semiconductor layer, an auxiliary pixel circuit located on the first substrate and including a second semiconductor layer, a buffer layer located between the first substrate and the first semiconductor layer and between the first substrate and the second semiconductor layer, and a barrier layer located between the first substrate and the buffer layer, including one material from among silicon nitride (SiNx), aluminum oxide (Al2O3), and zirconium oxide (Zr2O3), and having a density ranging from about 2 g/cm3 to about 6 g/cm3.

公开(公告)号：US10991783B2

公开(公告)日：2021-04-27

申请号：US16573882

申请日：2019-09-17

Applicant: Samsung Display Co., Ltd.

Inventor： Myounggeun Cha ,  Sanggun Choi ,  Jiyeong Shin ,  Yongsu Lee

IPC: H01L27/32 ,  G09G3/3258 ,  G09G3/3266 ,  H01L27/12

Abstract: A scan driver includes a substrate, a first transistor on the substrate, the first transistor including a first active pattern and a first gate electrode, the first active pattern including first and second regions, and a first channel region between the first and second regions, a second transistor on the first transistor, the second transistor including a second active pattern and a second gate electrode, the second active pattern including third and fourth regions, and a second channel region between the third and fourth regions, first and second electrodes on the second transistor, the first electrode and the second electrode electrically connected to the first region and the second region, respectively, and third and fourth electrodes on the second transistor, the third electrode and the fourth electrode electrically connected to the third region and the fourth region, respectively, wherein the first and third electrodes are electrically connected.

公开(公告)号：US20210043139A1

公开(公告)日：2021-02-11

申请号：US16897646

申请日：2020-06-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myounggeun Cha ,  Sanggun Choi ,  Hyena Kwak ,  Jiyeong Shin ,  Yongsu Lee ,  Kiseok Choi

IPC: G09G3/3233 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3291

Abstract: A display device includes a first transistor including a first channel region, a first gate electrode overlapping the first channel region, and a first electrode connected to a node receiving a driving voltage, a second transistor electrically connected to the first electrode of the first transistor, the second transistor including a second channel region and a second gate electrode overlapping the first channel region and receiving a scan signal, a light emitting element electrically connected to a second electrode of the first transistor, a first conductive line overlapping the first gate electrode with the first channel region in between and receiving a variable voltage different from the driving voltage, and a second conductive line overlapping the second gate electrode with the second channel region in between and receiving the scan signal.

公开(公告)号：US10916617B2

公开(公告)日：2021-02-09

申请号：US16382634

申请日：2019-04-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myounggeun Cha ,  Sanggun Choi ,  Jiyeong Shin ,  Yong Su Lee

IPC: H01L29/08 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H01L33/06 ,  H01L33/50 ,  H01L27/15

Abstract: A display device including: a substrate; a light emitting element on the substrate; a pixel circuit between the substrate and the light emitting element, wherein the pixel circuit is electrically connected to the light emitting element, and includes a plurality of transistors; and a conductive pattern including an electrode portion and a wiring portion for supplying a voltage to the electrode portion, wherein the electrode portion overlaps an active pattern of at least one transistor among the plurality of transistors, wherein the conductive pattern is disposed between the substrate and the active pattern, and wherein a thickness of the wiring portion is greater than a thickness of the electrode portion.

公开(公告)号：US09298029B2

公开(公告)日：2016-03-29

申请号：US14337403

申请日：2014-07-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sanggun Choi ,  Ha-Young Park ,  Sehee Han ,  Hansu Kim ,  Aram Lee ,  Seung-Yeon Chae ,  Taewoon Cha

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/1345 ,  G02F1/1362

CPC classification number: G02F1/133377 ,  G02F1/133512 ,  G02F1/1345 ,  G02F1/136209 ,  G02F2001/136222

Abstract: A display apparatus includes a substrate that includes a plurality of pixel areas, a display area including first and second non-pixel areas extending to cross each other, and a non-display area adjacent to the display area, a plurality of first electrodes on the substrate in the pixel areas, a plurality of second electrodes extending in a first direction and upwardly spaced apart from the substrate in the pixel areas to form first tunnel-shaped cavities, an image display area in each of the first tunnel-shaped cavities, and a plurality of dummy electrodes in first cross areas defined by an intersection of the first and second non-pixel areas adjacent to boundaries of the display area in the first direction. The dummy electrodes are upwardly spaced apart from the substrate in the first cross areas by a predetermined distance to form dummy tunnel-shaped cavities.

Abstract translation: 一种显示装置，包括：包括多个像素区域的基板;显示区域，包括彼此相交的第一和第二非像素区域;以及与显示区域相邻的非显示区域;多个第一电极， 像素区域中的衬底，多个第二电极，其在第一方向上延伸并且在像素区域中与衬底向上间隔开以形成第一隧道形空腔，每个第一隧道形空腔中的图像显示区域和 在与所述第一方向上的所述显示区域的边界相邻的所述第一非像素区域和所述第二非像素区域的交点所限定的第一交叉区域中的多个虚拟电极。 虚拟电极在第一交叉区域中与衬底向上间隔预定距离，以形成虚拟隧道状空腔。

公开(公告)号：US12302702B2

公开(公告)日：2025-05-13

申请号：US18739329

申请日：2024-06-11

Applicant: Samsung Display Co., Ltd.

Inventor： Myounggeun Cha ,  Sanggun Choi ,  Jiyeong Shin ,  Kiseok Choi

IPC: H10K59/121 ,  H10K59/124 ,  H10K59/126 ,  H10K59/65 ,  H10K77/10 ,  H01L27/12 ,  H01L29/786 ,  H10K102/00

Abstract: Provided are a display panel and an electronic apparatus including the display panel. The display panel includes a substrate including a polymer resin; first and second pixel circuits each including a thin-film transistor, a first light-emitting diode connected to the first pixel circuit and located in a first display area; a second light-emitting diode connected to the second pixel circuit and located in a sub-display area of a second display area, a bottom metal layer in the second display area and between the substrate and the second pixel circuit; and a protective layer between the substrate and the bottom metal layer and corresponding to the first and second display areas, wherein the bottom metal layer includes a first opening in a transmissive area, and the protective layer includes a second opening in the transmissive area and overlapping the first opening of the bottom metal layer.