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.

公开(公告)号：US12048196B2

公开(公告)日：2024-07-23

申请号：US17565146

申请日：2021-12-29

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

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.

公开(公告)号：US20240147790A1

公开(公告)日：2024-05-02

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: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216

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：US11705063B2

公开(公告)日：2023-07-18

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 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/131 ,  H10K59/121

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/1213 ,  H10K59/131 ,  G09G2320/0233 ,  G09G2320/0257 ,  G09G2330/028 ,  H10K59/1216

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：US20220399407A1

公开(公告)日：2022-12-15

申请号：US17565146

申请日：2021-12-29

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/00 ,  H01L29/786 ,  H01L27/12

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.