公开(公告)号：US10706771B2

公开(公告)日：2020-07-07

申请号：US16290970

申请日：2019-03-04

Applicant: Samsung Display Co., Ltd

Inventor： Young-In Hwang ,  Elly Gil ,  Eungtaek Kim ,  Jina Lee ,  Joohyeon Jo ,  Seongbaik Chu

IPC: G09G3/3225 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A display panel of an OLED display device includes a first OLED disposed in a first sub-pixel region, a second OLED disposed in a second sub-pixel region adjacent to the first sub-pixel region in a row direction, a third OLED disposed in a third sub-pixel region adjacent to the first sub-pixel region in a column direction, a fourth OLED disposed in a fourth sub-pixel region adjacent to the second sub-pixel region in the column direction and adjacent to the third sub-pixel region in the row direction, a first sub-pixel circuit disposed in the first sub-pixel region and a fourth sub-pixel circuit disposed in the fourth sub-pixel region, both configured to drive the first OLED, a second sub-pixel circuit disposed in the second sub-pixel region, and configured to drive the fourth OLED, a third sub-pixel circuit disposed in the third sub-pixel region, and configured to drive the third OLED.

公开(公告)号：US20240079419A1

公开(公告)日：2024-03-07

申请号：US18388594

申请日：2023-11-10

Applicant: Samsung Display Co., Ltd.

Inventor： Youngin HWANG ,  Elly Gil ,  Sungho Kim ,  Eungtaek Kim ,  Yongho Yang ,  Seongmin Wang ,  Jina Lee ,  Joohyeon Jo ,  Seongbaik Chu

IPC: H01L27/12 ,  G09G3/3225 ,  H10K59/121 ,  H10K59/131

CPC classification number: H01L27/1255 ,  G09G3/3225 ,  H01L27/1222 ,  H01L27/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: A display device includes: a first electrode layer; a semiconductor layer including a source region, a drain region, and a channel region, wherein at least a portion of the source region or the drain region overlaps the first electrode layer; a second electrode layer arranged adjacent to the channel region; a third electrode layer overlapping the second electrode layer and at least a portion of the source region or the drain region; and a power line electrically connected to the first electrode layer and the third electrode layer.

公开(公告)号：US11749213B2

公开(公告)日：2023-09-05

申请号：US17953368

申请日：2022-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Seongbaik Chu ,  Eungtaek Kim ,  Seongmin Wang ,  Young-in Hwang

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3291 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/0809 ,  G09G2310/08

Abstract: An organic light emitting display device includes a substrate, a light emitting diode, a first transistor controlling a driving current of the light emitting diode, a second transistor including a second drain electrode connected to a first source electrode of the first transistor, a second gate electrode, a second channel overlapped with the second gate electrode when viewed in a plan view, a second source electrode facing the second drain electrode with the second channel interposed therebetween, and a lower gate electrode, and a plurality of driving voltage lines transmitting a first driving voltage. The lower gate electrode of the second transistor is overlapped with the second channel when viewed in a plan view, and the lower gate electrode is electrically connected to a corresponding driving voltage line among the driving voltage lines.

公开(公告)号：US20240090263A1

公开(公告)日：2024-03-14

申请号：US18347096

申请日：2023-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： Jeonggi Kim ,  Sungwook Kim ,  Taesik Kim ,  Youngwoo Park ,  Jeongsoo Lee ,  Jina Lee ,  Wansoon Im ,  Seongbaik Chu

IPC: H10K59/121 ,  H10K59/131

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

Abstract: A display panel includes a driving voltage line, an organic light-emitting diode, a driving transistor electrically connected between the driving voltage line and the organic light-emitting diode, a data write transistor electrically connected between the driving transistor and a data line, a first voltage line extending in a first direction, a first transistor electrically connected between the driving transistor and the first voltage line, a first vertical voltage line extending in a second direction perpendicular to the first direction and electrically connected to the first voltage line, and a second transistor electrically connected between the driving transistor and the driving voltage line.

公开(公告)号：US10903250B2

公开(公告)日：2021-01-26

申请号：US16361135

申请日：2019-03-21

Applicant: Samsung Display Co., Ltd.

Inventor： Youngin Hwang ,  Elly Gil ,  Sungho Kim ,  Eungtaek Kim ,  Yongho Yang ,  Seongmin Wang ,  Jina Lee ,  Joohyeon Jo ,  Seongbaik Chu

IPC: H01L27/32 ,  H01L27/12 ,  G09G3/3225

Abstract: A display device includes: a first electrode layer; a semiconductor layer including a source region, a drain region, and a channel region, wherein at least a portion of the source region or the drain region overlaps the first electrode layer; a second electrode layer arranged adjacent to the channel region; a third electrode layer overlapping the second electrode layer and at least a portion of the source region or the drain region; and a power line electrically connected to the first electrode layer and the third electrode layer.

公开(公告)号：US12062334B2

公开(公告)日：2024-08-13

申请号：US18139975

申请日：2023-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hanbit Kim ,  Sungwook Kim ,  Chanyeob Seol ,  Yunjung Oh ,  Jeong-Soo Lee ,  Jina Lee ,  Seongbaik Chu

IPC: G09G3/3233 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0247

Abstract: A pixel may include a light emitting diode which includes an anode and a cathode, a first transistor which includes a first source region, a first drain region electrically connected to the anode, a first channel region, and a first gate electrode, a first sub-transistor which includes a first sub-source region connected to the first drain region, a first sub-drain region, a first sub-channel region, and a first sub-gate electrode, a second sub-transistor which includes a second sub-source region connected to the first sub-drain region, a second sub-drain region connected to the first gate electrode, a second sub-channel region, and a second sub-gate electrode, a storage line which overlaps the first sub-drain region and the second sub-source region, and a first hold pattern which overlaps the first sub-drain region, the second sub-source region, and the storage line, and connected to the first sub-drain region and the second sub-source region.

公开(公告)号：US11855104B2

公开(公告)日：2023-12-26

申请号：US17099629

申请日：2020-11-16

Applicant: Samsung Display Co., Ltd.

Inventor： Youngin Hwang ,  Elly Gil ,  Sungho Kim ,  Eungtaek Kim ,  Yongho Yang ,  Seongmin Wang ,  Jina Lee ,  Joohyeon Jo ,  Seongbaik Chu

IPC: H01L27/14 ,  H01L27/12 ,  G09G3/3225 ,  H10K59/131 ,  H10K59/121

CPC classification number: H01L27/1255 ,  G09G3/3225 ,  H01L27/124 ,  H01L27/1222 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: A display device includes: a first electrode layer; a semiconductor layer including a source region, a drain region, and a channel region, wherein at least a portion of the source region or the drain region overlaps the first electrode layer; a second electrode layer arranged adjacent to the channel region; a third electrode layer overlapping the second electrode layer and at least a portion of the source region or the drain region; and a power line electrically connected to the first electrode layer and the third electrode layer.

公开(公告)号：US11004401B2

公开(公告)日：2021-05-11

申请号：US16434237

申请日：2019-06-07

Applicant: Samsung Display Co., Ltd.

Inventor： Seongbaik Chu ,  Eungtaek Kim ,  Seongmin Wang ,  Young-in Hwang

IPC: G06F1/00 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3233

Abstract: An organic light emitting display device includes a substrate, a light emitting diode, a first transistor controlling a driving current of the light emitting diode, a second transistor including a second drain electrode connected to a first source electrode of the first transistor, a second gate electrode, a second channel overlapped with the second gate electrode when viewed in a plan view, a second source electrode facing the second drain electrode with the second channel interposed therebetween, and a lower gate electrode, and a plurality of driving voltage lines transmitting a first driving voltage. The lower gate electrode of the second transistor is overlapped with the second channel when viewed in a plan view, and the lower gate electrode is electrically connected to a corresponding driving voltage line among the driving voltage lines.

公开(公告)号：US12218156B2

公开(公告)日：2025-02-04

申请号：US18388594

申请日：2023-11-10

Applicant: Samsung Display Co., Ltd.

Inventor： Youngin Hwang ,  Elly Gil ,  Sungho Kim ,  Eungtaek Kim ,  Yongho Yang ,  Seongmin Wang ,  Jina Lee ,  Joohyeon Jo ,  Seongbaik Chu

IPC: H01L27/14 ,  G09G3/3225 ,  H01L27/12 ,  H10K59/121 ,  H10K59/131

Abstract: A display device includes: a first electrode layer; a semiconductor layer including a source region, a drain region, and a channel region, wherein at least a portion of the source region or the drain region overlaps the first electrode layer; a second electrode layer arranged adjacent to the channel region; a third electrode layer overlapping the second electrode layer and at least a portion of the source region or the drain region; and a power line electrically connected to the first electrode layer and the third electrode layer.

公开(公告)号：US11468852B2

公开(公告)日：2022-10-11

申请号：US17216835

申请日：2021-03-30

Applicant: Samsung Display Co., Ltd.

Inventor： Seongbaik Chu ,  Eungtaek Kim ,  Seongmin Wang ,  Young-in Hwang

IPC: G09G3/00 ,  G09G3/3291 ,  G09G3/3266 ,  G09G3/3233

Abstract: An organic light emitting display device includes a substrate, a light emitting diode, a first transistor controlling a driving current of the light emitting diode, a second transistor including a second drain electrode connected to a first source electrode of the first transistor, a second gate electrode, a second channel overlapped with the second gate electrode when viewed in a plan view, a second source electrode facing the second drain electrode with the second channel interposed therebetween, and a lower gate electrode, and a plurality of driving voltage lines transmitting a first driving voltage. The lower gate electrode of the second transistor is overlapped with the second channel when viewed in a plan view, and the lower gate electrode is electrically connected to a corresponding driving voltage line among the driving voltage lines.