公开(公告)号：US11887542B2

公开(公告)日：2024-01-30

申请号：US18107681

申请日：2023-02-09

Applicant: Samsung Display Co., LTD.

Inventor： Hee Rim Song ,  Hee Jean Park ,  Cheol Gon Lee

IPC: G09G3/3233 ,  H10K59/60 ,  H10K59/131 ,  G06V40/13 ,  H10K59/126

CPC classification number: G09G3/3233 ,  G06V40/1318 ,  H10K59/126 ,  H10K59/131 ,  H10K59/60 ,  G09G2360/14

Abstract: A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.

公开(公告)号：US12198630B2

公开(公告)日：2025-01-14

申请号：US18424074

申请日：2024-01-26

Applicant: Samsung Display Co., LTD.

Inventor： Hee Rim Song ,  Hee Jean Park ,  Cheol Gon Lee

IPC: G09G3/3233 ,  G06V40/13 ,  H10K59/126 ,  H10K59/131 ,  H10K59/60

Abstract: A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.

公开(公告)号：US12293714B2

公开(公告)日：2025-05-06

申请号：US18108823

申请日：2023-02-13

Applicant: Samsung Display Co., LTD.

Inventor： Hee Rim Song ,  Hee Jean Park ,  Yu Jin Lee ,  Cheol Gon Lee ,  Mu Kyung Jeon

IPC: G09G3/3233 ,  G06V40/13 ,  H10K39/34 ,  H10K59/131

Abstract: A display device includes display pixels each including a light emitting part including a light emitting element and a pixel driver applying a driving current to the light emitting element, and light sensing pixels each including a light sensing part including an optical element and a sensing driver, the sensing driver applying a sensing current to a sensing line according to a photocurrent of the optical element. The sensing driver includes a first sensing transistor controlling the sensing current flowing through the sensing line according to a voltage of a first electrode of the optical element, and a second sensing transistor initializing the first electrode of the optical element to a first level voltage. A channel layer of the first sensing transistor and a channel layer of the second sensing transistor are made of different materials.

公开(公告)号：US11694612B2

公开(公告)日：2023-07-04

申请号：US17831323

申请日：2022-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Gon Lee ,  Hee Jean Park ,  Hee Rim Song ,  Yu Jin Lee ,  Mu Kyung Jeon

IPC: G09G3/32 ,  G06V40/13

CPC classification number: G09G3/32 ,  G06V40/1318 ,  G09G2300/0413 ,  G09G2300/0809 ,  G09G2330/028

Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.

公开(公告)号：US12106721B2

公开(公告)日：2024-10-01

申请号：US18232361

申请日：2023-08-10

Applicant: Samsung Display Co., Ltd.

Inventor： Yu Jin Lee ,  Mu Kyung Jeon ,  Mee Hye Jung ,  Hee Jean Park

IPC: G09G3/3266 ,  G09G3/3233 ,  H10K59/124 ,  H10K59/131

CPC classification number: G09G3/3266 ,  H10K59/124 ,  H10K59/131 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0804 ,  G09G2300/0809 ,  G09G2310/0202 ,  G09G2320/0233

Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.

公开(公告)号：US12002418B2

公开(公告)日：2024-06-04

申请号：US18217960

申请日：2023-07-03

Applicant: Samsung Display Co., Ltd.

Inventor： Cheol Gon Lee ,  Hee Jean Park ,  Hee Rim Song ,  Yu Jin Lee ,  Mu Kyung Jeon

IPC: G09G3/32 ,  G06V40/13

CPC classification number: G09G3/32 ,  G06V40/1318 ,  G09G2300/0413 ,  G09G2300/0809 ,  G09G2330/028

Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.

公开(公告)号：US11727884B2

公开(公告)日：2023-08-15

申请号：US17482521

申请日：2021-09-23

Applicant: Samsung Display Co., Ltd.

Inventor： Yu Jin Lee ,  Mu Kyung Jeon ,  Mee Hye Jung ,  Hee Jean Park

IPC: G09G3/3266 ,  H10K59/124 ,  H10K59/131 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  H10K59/124 ,  H10K59/131 ,  G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0804 ,  G09G2300/0809 ,  G09G2310/0202 ,  G09G2320/0233

Abstract: Embodiments of the present disclosure relates to a display device. According to an embodiment of the disclosure, a display device includes a substrate including a first display region and a second display region surrounding the first display region, a first pixel disposed in the first display region, a second pixel disposed in the second display region, and scan stages which are disposed in the second display region and apply scan signals to the first pixel and the second pixel. The first pixel includes a first pixel driver including a first pixel transistor and a first pixel light-emitting device connected to the first pixel driver. The second pixel includes a second pixel driver including a second pixel transistor and a second pixel light-emitting device connected to the second pixel driver. The second pixel driver is disposed between scan stages adjacent to each other along a first direction.