公开(公告)号：US20230186832A1

公开(公告)日：2023-06-15

申请号：US17968571

申请日：2022-10-18

Applicant: Samsung Display Co., Ltd.

Inventor： KYOUNGJU SHIN ,  DOHYUN KANG ,  YANGSOO KIM ,  JUNGKOOK PARK ,  MOONSANG HWANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2310/0278 ,  G09G2300/0842 ,  G09G2320/0626

Abstract: A pixel circuit includes a light emitting element, a driving transistor, a first emission transistor applying a first power voltage to the driving transistor in response to a first emission signal, a second emission transistor applying the driving current to the light emitting element in response to a second emission signal, a first initialization transistor applying a first initialization voltage to an anode electrode of the light emitting element in response to the second emission signal, a data write transistor, a compensation transistor, a second initialization transistor, and a storage capacitor. A first off-duty ratio which is a ratio of a high voltage level period of the first emission signal in one frame is determined according to a set luminance level, and a second off-duty ratio which is a ratio of a high voltage level period of the second emission signal in the one frame is fixed.

公开(公告)号：US20220358875A1

公开(公告)日：2022-11-10

申请号：US17684695

申请日：2022-03-02

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONUK WON ,  DOHYUN KANG ,  JUNGKOOK PARK ,  DONGHAK PYO

IPC: G09G3/32

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel including first pixels and second pixels, and a display panel driver which drives the display panel. In a first mode, the display panel driver drives both the first pixels and the second pixels. In a second mode, the display panel driver drives the second pixels in a first part for one frame, and drives the first pixels in a second part for the one frame.

公开(公告)号：US20210407428A1

公开(公告)日：2021-12-30

申请号：US17183586

申请日：2021-02-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DOHYUN KANG

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3275

Abstract: A display panel includes: a substrate including a display area and a peripheral area; a plurality of pixels arranged in the display area; a pad portion arranged in the peripheral area and including a first clock pad, a plurality of first scan pads, and a plurality of data pads; a first scan driving circuit including a plurality of first stages; a plurality of scan lines including a plurality of first scan lines respectively connected to the plurality of first scan pads, and a plurality of second scan lines respectively connected to the plurality of first stages; and a plurality of data lines respectively extending in a second direction and connected to corresponding data pads among the plurality of data pads and pixels.

公开(公告)号：US20240373704A1

公开(公告)日：2024-11-07

申请号：US18774440

申请日：2024-07-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DOHYUN KANG

IPC: H10K59/131 ,  H10K59/35 ,  H10K77/10

Abstract: A display panel includes a first area in which first pixels of a first pixel column, second pixels of a second pixel column, and third pixels of a third pixel column are arranged, a second area which cuts off each of the first pixel column, the second pixel column, and the third pixel column and through which an optical signal travels, and first to third data lines. The first data line is connected to the first pixels and a portion of the third pixels arranged on one side of the second area in a direction in which the pixel columns extend, the second data line is connected to the second pixels, and the third data line is connected to a remaining portion of the third pixels arranged on the other side of the second area in the direction in which the pixel columns extend.

公开(公告)号：US20230326401A1

公开(公告)日：2023-10-12

申请号：US18203926

申请日：2023-05-31

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONUK WON ,  DOHYUN KANG ,  JUNGKOOK PARK ,  DONGHAK PYO

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2358/00 ,  G09G2310/027 ,  G09G2320/0285 ,  G09G2310/0243

Abstract: A display apparatus is disclosed. The display apparatus includes a display panel including first pixels and second pixels, and a display panel driver which drives the display panel. In a first mode, the display panel driver drives both the first pixels and the second pixels. In a second mode, the display panel driver drives the second pixels in a first part for one frame, and drives the first pixels in a second part for the one frame.

公开(公告)号：US20220310734A1

公开(公告)日：2022-09-29

申请号：US17705755

申请日：2022-03-28

Applicant: Samsung Display Co., Ltd.

Inventor： DONGWAN PARK ,  JUNGKOOK PARK ,  DOHYUN KANG

IPC: H01L27/32

Abstract: A display device includes a switching part and a first pixel circuit electrically connected to the switching part, and the switching part outputs a turn-off voltage to a first node in a first mode and outputs an initialization voltage to the first node in a second mode. The first pixel circuit includes a first transistor including a gate terminal electrically connected to the first node, a first terminal electrically connected to a second node, and a second terminal electrically connected to an organic light emitting diode and a second transistor including a gate terminal which receives a gate signal, a first terminal which receives a data voltage, and a second terminal electrically connected to the second node.