公开(公告)号：US10319306B2

公开(公告)日：2019-06-11

申请号：US15601012

申请日：2017-05-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Tae Jeong ,  Min Ku Lee ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Seung Kyu Lee ,  Seung Ji Cha

IPC: H01L27/32 ,  G09G3/3258 ,  G09G3/3225

Abstract: A pixel includes an organic light emitting diode (OLED), a pixel circuit, and first and second transistors. The OLD includes a cathode electrode connected to a second power source. The pixel circuit includes a driving transistor having a gate electrode initialized by a third power source. The driving transistor controls the amount of current flowing from a first power source to the second power source via the OLED. The first transistor is connected between a fourth power source and the second power source and an anode electrode of the OLED. The first transistor is turned on based on a scan signal is supplied to a scan line. The second transistor is connected between a data line and the pixel circuit. The second transistor is turned on when the scan signal is supplied to the ith scan line.

公开(公告)号：US20190074344A1

公开(公告)日：2019-03-07

申请号：US16103854

申请日：2018-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun Ka ,  Seung Ji Cha ,  Tae Hoon Kwon

IPC: H01L27/32

Abstract: An organic light-emitting display device includes: a substrate on which a display area and a non-display area surrounding the display area are defined, the display area includes a main area and at least one protruding area, and a plurality of pixels is in the display area; a first signal line on the substrate in the main area to provide signals to the plurality of pixels; a second signal line on the substrate in the protruding area to provide signals to the plurality of pixels; a compensation line on the substrate in the non-display area and electrically connected to the second signal line; and a bridge pattern over the second signal line and the compensation line in the non-display area and electrically connecting the second signal line with the compensation line, the bridge pattern including a double-bridge structure.

公开(公告)号：US20250160161A1

公开(公告)日：2025-05-15

申请号：US19026121

申请日：2025-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hyun Ka ,  Seung Ji Cha ,  Tae Hoon Kwon

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/121

Abstract: An organic light-emitting display device includes: a substrate on which a display area and a non-display area surrounding the display area are defined, the display area includes a main area and at least one protruding area, and a plurality of pixels is in the display area; a first signal line on the substrate in the main area to provide signals to the plurality of pixels; a second signal line on the substrate in the protruding area to provide signals to the plurality of pixels; a compensation line on the substrate in the non-display area and electrically connected to the second signal line; and a bridge pattern over the second signal line and the compensation line in the non-display area and electrically connecting the second signal line with the compensation line, the bridge pattern including a double-bridge structure.

公开(公告)号：US12238994B2

公开(公告)日：2025-02-25

申请号：US18181893

申请日：2023-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hyun Ka ,  Seung Ji Cha ,  Tae Hoon Kwon

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/121

Abstract: An organic light-emitting display device includes: a substrate on which a display area and a non-display area surrounding the display area are defined, the display area includes a main area and at least one protruding area, and a plurality of pixels is in the display area; a first signal line on the substrate in the main area to provide signals to the plurality of pixels; a second signal line on the substrate in the protruding area to provide signals to the plurality of pixels; a compensation line on the substrate in the non-display area and electrically connected to the second signal line; and a bridge pattern over the second signal line and the compensation line in the non-display area and electrically connecting the second signal line with the compensation line, the bridge pattern including a double-bridge structure.

公开(公告)号：US12211446B2

公开(公告)日：2025-01-28

申请号：US17246328

申请日：2021-04-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung In ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Ki Myeong Eom ,  Chae Han Hyun

IPC: G09G3/00 ,  G09G3/3266 ,  G09G3/3275

Abstract: A gate driver includes a stage configured to output a gate signal, the stage including an input part configured to control a voltage of a first node and a voltage of a second node based on signals supplied to a first input terminal and a second input terminal, an output part configured to supply a voltage of a first power source or a voltage of a second power source as the gate signal to an output terminal based on a voltage of a third node and a voltage of a fourth node, a first signal processing part configured to supply the voltage of the second power source to the fourth node based on the voltage of the first node, or to electrically connect the second node and the fourth node through a fifth node based on a signal supplied to a third input terminal, and a second signal processing part including a first transistor connected between the third node and a sixth node to control the voltage of the third node based on an operation of the first transistor.

公开(公告)号：US12010873B2

公开(公告)日：2024-06-11

申请号：US17967397

申请日：2022-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun Ka ,  Han Sung Bae ,  Won Kyu Kwak

IPC: H10K59/121 ,  G09G3/3233 ,  H01L27/12 ,  H10K59/123 ,  H10K59/131

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H01L27/1222 ,  H01L27/1225 ,  H10K59/123 ,  H10K59/131 ,  G09G2300/0814 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/0248 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2310/08

Abstract: A pixel includes a pixel circuit and an organic light emitting diode. The pixel circuit has first, second, third, and fourth transistors. The first transistor controls an amount of current flowing from a first driving power supply coupled to a first node to a second driving power supply through the organic light emitting diode. The turns on when a scan signal is supplied to a first scan line. The third transistor turns on when a scan signal is supplied to a second scan line. The fourth transistor turns on when a scan signal is supplied to a third scan line. The first transistor is a p-type Low Temperature Poly-Silicon thin film transistor and the third transistor and the fourth transistor are n-type oxide semiconductor thin film transistors.

公开(公告)号：US11961475B2

公开(公告)日：2024-04-16

申请号：US18111438

申请日：2023-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： Min Ku Lee ,  Ji Hyun Ka ,  Won Kyu Kwak

IPC: G09G3/3233 ,  G09G3/3266

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2320/0233

Abstract: Provided is a display device including first pixels positioned in a first area of a panel for receiving a first data signal from a data line in response to a first scan signal supplied from a first scan line and having an emission time controlled according to a first emission control signal, and second pixel positioned in a second area of the panel for receiving a second data signal from the data line in response to a second scan signal supplied from a second scan line and having an emission time controlled by a second emission control signal. The first pixels receive the first data signal after a first time after the first emission control signal is supplied, and the second pixels receive the second data signal after a second time, which is different from the first time, after the second emission control signal is supplied.

公开(公告)号：US11935458B2

公开(公告)日：2024-03-19

申请号：US17850894

申请日：2022-06-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ji Hyun Ka ,  Ki Myeong Eom ,  Kyong Hwan Oh ,  Hai Jung In

IPC: G09G3/20

CPC classification number: G09G3/2092 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2310/0278

Abstract: A display device includes: a first pixel connected to a first data line and a first scan line; a second pixel connected to the first data line and a second scan line; a first scan driver connected to a first scan start line and the first scan line; and a second scan driver connected to a second scan start line and the second scan line. In a first frame period, the second scan start line is to be suppled with a second scan start signal having a turn-on level, after a first period elapses after a first scan start signal having a turn-on level is supplied to the first scan start line. In a second frame period, a difference between a time at which the first scan start signal having the turn-on level is supplied and a time at which the second scan start signal having the turn-on level is supplied corresponds to a second period. The second period is shorter than the first period.

公开(公告)号：US11895884B2

公开(公告)日：2024-02-06

申请号：US17537237

申请日：2021-11-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Keon Woo Kim ,  Ji Hyun Ka ,  Tae Hoon Kwon ,  Ho Kyoon Kwon ,  Min Ku Lee ,  Zail Lhee ,  Jin Tae Jeong ,  Seung Ji Cha ,  Byung Du Ahn ,  Jeong Ho Lee

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/88 ,  H10K59/121 ,  H10K59/124 ,  H10K77/10 ,  H01L27/12

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/88 ,  H10K77/10 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0861 ,  G09G2310/0251 ,  G09G2310/0262 ,  H01L27/124

Abstract: A display device includes a substrate including a first pixel region, a second pixel region having an area smaller than that of the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a second pixel provided in the second pixel region, a second line connected to the second pixel, an extension line extended to the peripheral region, a dummy part located in the peripheral region to overlap with the extension line, a power line connected to the first and second pixel regions, and a connection line located in the peripheral region to be connected to the dummy part, the connection line being electrically connected to a portion of the second pixel region, wherein the second pixel region includes a first sub-pixel region connected to the connection line and a second sub-pixel region except the first sub-pixel region.

公开(公告)号：US11735083B2

公开(公告)日：2023-08-22

申请号：US17501526

申请日：2021-10-14

Applicant: SAMSUNG DISPLAY CO. LTD.

Inventor： Tae Hoon Kwon ,  Ji Hyun Ka ,  Byung Sun Kim ,  Yang Wan Kim ,  Hyung Jun Park ,  Su Jin Lee ,  Jae Yong Lee ,  Jin Tae Jeong ,  Seung Ji Cha

IPC: H05K1/00 ,  H05K1/02 ,  G09G3/20 ,  G09G3/293 ,  G09G3/296 ,  G09G3/3233 ,  G02F1/1345 ,  H05K1/11 ,  H10K99/00 ,  H05K1/18 ,  H10K59/88

CPC classification number: G09G3/20 ,  G02F1/13452 ,  H05K1/111 ,  H05K1/115 ,  H05K1/118 ,  H10K99/00 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2310/0243 ,  G09G2330/08 ,  H05K1/189 ,  H05K2201/09781 ,  H05K2201/10128 ,  H10K59/88

Abstract: A display device is provided. The display device comprises a display panel including a plurality of signal pads and one or more dummy pads, and at least one flexible wiring board providing signals to the signal pads, wherein a maximum bias period of signals provided to a pair of adjacent signal pads with at least one dummy pad interposed therebetween is longer than a maximum bias period of signals provided to a pair of adjacent signal pads with no dummy pad disposed therebetween.