公开(公告)号：US20230014693A1

公开(公告)日：2023-01-19

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

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：US20210217369A1

公开(公告)日：2021-07-15

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: G09G3/3291 ,  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：US20200074936A1

公开(公告)日：2020-03-05

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

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：US20200006401A1

公开(公告)日：2020-01-02

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: H01L27/12 ,  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.