公开(公告)号：US20210312865A1

公开(公告)日：2021-10-07

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

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：US20200083311A1

公开(公告)日：2020-03-12

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

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：US20190341440A1

公开(公告)日：2019-11-07

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: 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：US20190340978A1

公开(公告)日：2019-11-07

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.