公开(公告)号：US11626075B2

公开(公告)日：2023-04-11

申请号：US17296001

申请日：2019-09-26

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KONKUK UNIVERSITY INDUSTRIAL COOPERATION CORP

Inventor： Tae Hoon Yang ,  Joon Ho Lee ,  Kee Chan Park ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G09G3/3266 ,  G09G3/3233

Abstract: A scan driver includes stage circuits, wherein each of the stage circuits includes a first transistor, wherein a first electrode thereof is coupled to a first node, a second electrode thereof is coupled to an input carry line, and a gate electrode thereof is coupled to a first clock line; and a capacitor, wherein a first electrode thereof is coupled to the first node and a second electrode thereof is coupled to a second node, wherein the second node is coupled to an output carry line, and the second node is selectively coupled to one of a first power voltage line and a second power voltage line.

公开(公告)号：US11996497B2

公开(公告)日：2024-05-28

申请号：US17156253

申请日：2021-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Wook Lee ,  Ki Bum Kim ,  Jin Taek Kim ,  Seung Min Lee ,  Kwang Taek Hong ,  Jung Eun Hong

IPC: H01L33/38 ,  H01L27/15

CPC classification number: H01L33/387 ,  H01L27/156

Abstract: A pixel includes a first electrode; a second electrode surrounding at least a portion of the first electrode; a plurality of light emitting elements between the first electrode and the second electrode; a first contact electrode on the first electrode, the first contact electrode electrically connecting the first electrode and the plurality of light emitting elements; a second contact electrode on the second electrode, the second contact electrode electrically connecting the second electrode and the plurality of light emitting elements; and an intermediate electrode on the first electrode and the second electrode, the intermediate electrode comprising a first area overlapping the first electrode and a second area overlapping the second electrode, the first area and the second area being integrally connected to each other.

公开(公告)号：US11917881B2

公开(公告)日：2024-02-27

申请号：US17944717

申请日：2022-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Woong Hee Jeong ,  Ki Bum Kim ,  Jin Yeong Kim ,  Hyang A Park ,  Tae Hoon Yang ,  Jong Chan Lee

IPC: H10K50/84 ,  H10K59/12 ,  H10K59/30 ,  G02F1/13 ,  H10K50/844 ,  H10K59/122 ,  G02F1/1335 ,  G02F1/1362 ,  H10K59/127 ,  H10K102/00

CPC classification number: H10K59/30 ,  H10K50/844 ,  H10K59/122 ,  G02F1/133512 ,  G02F1/136209 ,  H10K59/1275 ,  H10K2102/00

Abstract: A display device includes light transmitting areas including a first light transmitting area and light emitting areas around the light transmitting areas and including a first light emitting area disposed around the first light transmitting area, wherein the first light emitting area includes a first-first light emitting area adjacent to a first portion of each of the light transmitting areas, a first-second light emitting area adjacent to a second portion of each of the light transmitting areas, a first-third light emitting area adjacent to a third portion of each of the light transmitting areas, and a first-fourth light emitting area disposed adjacent to a fourth portion of each of the light transmitting areas. The first-first to first-fourth light emitting areas each include at least one of first to third light emitting portions to emit light of first to third colors, respectively.

公开(公告)号：US11132946B2

公开(公告)日：2021-09-28

申请号：US16876910

申请日：2020-05-18

Applicant: Samsung Display Co., LTD. ,  Konkuk University Industrial Cooperation Corp

Inventor： Tae Hoon Yang ,  Joon Ho Lee ,  Kee Chan Park ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G09G3/32 ,  G09G3/20 ,  G09G3/3225

Abstract: An emission signal driver comprises stages connected to emission lines. Each of the stages includes a node controller which supplies a start signal or a carry signal, which is input to a start terminal, to a first node in response to a clock signal input to a clock terminal, a first inverter connected between the first node and a second node, and a second inverter connected between the second node and an output terminal.

公开(公告)号：US10909929B2

公开(公告)日：2021-02-02

申请号：US16210379

申请日：2018-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon Yang ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G11C19/00 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/32 ,  G09G3/36 ,  G11C19/28

Abstract: A scan driver includes stage circuits, each including: a first circuit including a control terminal (CT) connected to a first node (N1), and connecting/disconnecting a previous scan line of a previous stage circuit to a second node (N2) based on a control signal (CS); a second circuit including a CT connected to a clock signal line, and connecting one of a first power voltage line (FPVL) and a second power voltage line (SPVL) to the N1 based on a CS; a third circuit including a CT connected to the N2, and connecting one of the N1 and the SPVL to a third node (N3) based on a CS; a fourth circuit including a CT connected to the N3, and connecting one of the FPVL and the SPVL to a current scan line based on a CS; and a first capacitor connecting the CT of the third circuit and the SPVL.

公开(公告)号：US20190311675A1

公开(公告)日：2019-10-10

申请号：US16372296

申请日：2019-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon Yang ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/32

Abstract: A pixel including a light emitting element, a first transistor connected between a first node and the light emitting element to control current flowing from a first power supply to a second power supply, a second transistor connected between a data line and the first transistor to be turned on by an ith first scan signal, a third transistor including a P-type TFT connected between the first transistor and the first node to be turned on by the ith first scan signal and, a fourth transistor including an N-type TFT connected between the first node and an initialization power supply line to be turned on by an i−1th scan signal, and a first connection line connected between the third and fourth transistors to electrically connect semiconductor patterns thereof, in which the first connection line is disposed on the third and fourth transistors and contacts the semiconductor patterns thereof.

公开(公告)号：US20190295472A1

公开(公告)日：2019-09-26

申请号：US16210379

申请日：2018-12-05

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Hoon YANG ,  Ki Bum Kim ,  Jong Chan Lee ,  Woong Hee Jeong

IPC: G09G3/3266 ,  G09G3/3291 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/32

Abstract: A scan driver includes stage circuits, each including: a first circuit including a control terminal (CT) connected to a first node (N1), and connecting/disconnecting a previous scan line of a previous stage circuit to a second node (N2) based on a control signal (CS); a second circuit including a CT connected to a clock signal line, and connecting one of a first power voltage line (FPVL) and a second power voltage line (SPVL) to the N1 based on a CS; a third circuit including a CT connected to the N2, and connecting one of the N1 and the SPVL to a third node (N3) based on a CS; a fourth circuit including a CT connected to the N3, and connecting one of the FPVL and the SPVL to a current scan line based on a CS; and a first capacitor connecting the CT of the third circuit and the SPVL.