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：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：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：US12213361B2

公开(公告)日：2025-01-28

申请号：US18373970

申请日：2023-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Hanbit Kim ,  Hyena Kwak ,  Jiyeong Shin ,  Yunjung Oh ,  Dokyeong Lee ,  Sanggun Choi

IPC: G09G3/20 ,  H10K59/121 ,  H10K59/131

Abstract: Provided are a pixel in which pixel circuits of a plurality of rows of the same column share a capacitor, and a display apparatus including the same.

公开(公告)号：US11758755B2

公开(公告)日：2023-09-12

申请号：US17228586

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： Keunwoo Kim ,  Hyena Kwak ,  Taewook Kang ,  Jiyeong Shin ,  Jaeseob Lee

IPC: H01L27/12 ,  G02F1/13 ,  H10K50/844 ,  G02F1/1333 ,  H10K50/816 ,  H10K50/828 ,  H10K50/842 ,  H10K59/35 ,  H10K59/126 ,  H10K102/00

CPC classification number: H10K50/844 ,  G02F1/133334 ,  G09G2300/0408 ,  G09G2300/0804 ,  H10K50/816 ,  H10K50/828 ,  H10K50/8426 ,  H10K59/126 ,  H10K59/35 ,  H10K2102/00 ,  H10K2102/351

Abstract: A display device includes: a base substrate including a first polymeric film; an active pattern on the base substrate and including a first channel region; and a first gate electrode overlapping the first channel region, wherein the first polymeric film has a first thickness in a first area overlapping the first channel region and a second thickness, which is smaller than the first thickness, in a second area different from the first area.

公开(公告)号：US11423839B2

公开(公告)日：2022-08-23

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：US10755639B2

公开(公告)日：2020-08-25

申请号：US16381491

申请日：2019-04-11

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: G09G3/3233

Abstract: A pixel unit of a display device including: an OLED; a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a third electrode connected to a third node; a capacitor including a first electrode receiving a power voltage and a second electrode connected to the first node; a second transistor including a first electrode receiving a scan signal, a second electrode receiving a data voltage and a third electrode connected to the second node; a third transistor including a first electrode receiving the scan signal, a second electrode connected to the first node and a third electrode connected to the third node, wherein at least one of the first and third transistors includes a fourth electrode, the fourth electrode receives a compensation voltage when an operation temperature is above a preset temperature and is floated when the operation temperature is equal to or more than the preset temperature.

公开(公告)号：US20240334740A1

公开(公告)日：2024-10-03

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

CPC classification number: H10K59/121 ,  H10K59/1213 ,  H10K59/124 ,  H10K59/126 ,  H10K59/65 ,  H10K77/111 ,  H01L27/1222 ,  H01L29/78633 ,  H01L29/78675 ,  H10K2102/311

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.