公开(公告)号：US20240412693A1

公开(公告)日：2024-12-12

申请号：US18809281

申请日：2024-08-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： WONJUN LEE ,  CHOLHO KIM ,  MIHYEON JO

IPC: G09G3/3233 ,  G06V40/13

Abstract: A display device includes a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit and a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit. The sensor driving circuit includes a first reset transistor, a second reset transistor, a sensing capacitor, an amplification transistor, and an output transistor. The first reset transistor includes a first electrode receiving a reset voltage, a second electrode connected to a first sensing node, and a third electrode receiving a reset control signal. The second reset transistor includes a first electrode receiving the reset voltage, a second electrode connected to a second sensing node, and a third electrode receiving the reset control signal. The sensing capacitor is positioned between the first sensing node and the second sensing node.

公开(公告)号：US20230215365A1

公开(公告)日：2023-07-06

申请号：US18085260

申请日：2022-12-20

Applicant: Samsung Display Co., Ltd.

Inventor： WONJUN LEE ,  CHOLHO KIM ,  MIHYEON JO

IPC: G09G3/3233 ,  G06V40/13

CPC classification number: G09G3/3233 ,  G06V40/1318 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2300/0426 ,  G09G2354/00

Abstract: A display device includes a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit and a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit. The sensor driving circuit includes a first reset transistor, a second reset transistor, a sensing capacitor, an amplification transistor, and an output transistor. The first reset transistor includes a first electrode receiving a reset voltage, a second electrode connected to a first sensing node, and a third electrode receiving a reset control signal. The second reset transistor includes a first electrode receiving the reset voltage, a second electrode connected to a second sensing node, and a third electrode receiving the reset control signal. The sensing capacitor is positioned between the first sensing node and the second sensing node.

公开(公告)号：US20250056919A1

公开(公告)日：2025-02-13

申请号：US18733703

申请日：2024-06-04

Applicant: Samsung Display Co., LTD.

Inventor： KWIHYUN KIM ,  DONGWOO KIM ,  YEONKYUNG KIM ,  WONJUN LEE

IPC: H01L33/00 ,  H01L25/075 ,  H01L33/62

Abstract: A display device includes: a substrate including a first pixel area and a second pixel area adjacent to each other along a first direction; a first pixel in the first pixel area on the substrate and including a first pixel electrode; a second pixel in the second pixel area on the substrate and including a second pixel electrode; and a repair pattern on the first pixel electrode and the second pixel electrode, contacting with the first pixel electrode and the second pixel electrode, and electrically connecting the first pixel and the second pixel.

公开(公告)号：US20240355279A1

公开(公告)日：2024-10-24

申请号：US18443064

申请日：2024-02-15

Applicant: Samsung Display Co., Ltd.

Inventor： SEHYUN LEE ,  WONJUN LEE ,  JINJOO HA

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/02

Abstract: A pixel circuit comprises a light emitting element, a first transistor providing a driving current to the light emitting element, a first capacitor including a first electrode connected to a first electrode of the first transistor and a second electrode connected to a gate electrode of the first transistor, a second capacitor including a first electrode connected to the gate electrode of the first transistor and a second electrode connected to a second electrode of the first transistor, a second transistor providing a data voltage to a first electrode of a third capacitor in response to a first write gate signal, a third capacitor including a second electrode connected to the gate electrode of the first transistor, and a third transistor providing the data voltage to the gate electrode of the first transistor in response to a second write gate signal.

公开(公告)号：US20250087169A1

公开(公告)日：2025-03-13

申请号：US18826486

申请日：2024-09-06

Applicant: Samsung Display Co., LTD.

Inventor： WONJUN LEE ,  KYUNG-HOON KIM ,  KYONGHWAN OH ,  DONGWOO KIM ,  SEHYUN LEE ,  JINJOO HA

IPC: G09G3/3266 ,  G09G3/3233

Abstract: A scan driver includes a plurality of stages sequentially connected to each other. Each of the plurality of stages includes first and second output transistors and first to fourth control transistors. The second control transistor is connected between a second node and a first voltage terminal and to an input terminal and operates in response to a start signal or a previous carry signal provided through the input terminal. Each of the first and second output transistors and the first, third, and fourth control transistors is a first type, and the second control transistor is a second type different from the first type.

公开(公告)号：US20240071310A1

公开(公告)日：2024-02-29

申请号：US18200692

申请日：2023-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： WONJUN LEE ,  Cholho Kim

IPC: G09G3/3258 ,  G09G3/3291

CPC classification number: G09G3/3258 ,  G09G3/3291

Abstract: A pixel including: a light emitting element; a first transistor including a first electrode, a second electrode electrically connected to the light emitting element, a gate electrode, and a body electrode; a second transistor connected between a first driving voltage line for receiving a first driving voltage and the first electrode of the first transistor and including a gate electrode for receiving a first emission control signal; a first circuit which provides a reference voltage to the gate electrode of the first transistor in response to a first scan signal and a second scan signal; and



a second circuit which provides an initialization voltage to the body electrode of the first transistor in response to the first scan signal, the second scan signal, and a second emission control signal.