公开(公告)号：US20240346989A1

公开(公告)日：2024-10-17

申请号：US18752121

申请日：2024-06-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JINSUNG AN ,  SUNGHO KIM ,  MINWOO WOO ,  WANGWOO LEE ,  JEONG-SOO LEE ,  SUGWOO JUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2310/0278 ,  G09G2320/0247

Abstract: A display panel includes: a light emitting element, a driving switching element, a bias switching element and a bias control switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is connected to a first electrode of the driving switching element and configured to apply a bias voltage to the first electrode of the driving switching element. The bias control switching element is connected to a first electrode of the bias switching element and configured to apply the bias voltage to the first electrode of the bias switching element.

公开(公告)号：US20230216002A1

公开(公告)日：2023-07-06

申请号：US17891441

申请日：2022-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： CHANGHO YI ,  KYEONGWOO JANG ,  SUNGHO KIM ,  JOONHYOUNG PARK ,  SEOKJE SEONG ,  MINWOO WOO ,  YOON-JONG CHO ,  HYERI CHO

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/54 ,  H01L33/00

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L33/005 ,  H01L33/54 ,  H01L2933/005 ,  H01L2933/0066

Abstract: A display panel includes a substrate including adjacently-positioned first display area and second display area, a first inorganic insulation layer on the substrate and defining a transmission part in the second display area, a second inorganic insulation layer disposed on the first inorganic insulation layer and covering an inner surface and a bottom surface of the transmission part, a transparent wire on the second inorganic insulation layer in the second display area a via insulation layer on the second inorganic insulation layer and the transparent wire and including an organic material, a first light emitting element on the via insulation layer in the first display area, a second light emitting element on the via insulation layer in the second display area and electrically connected to the transparent wire, and an encapsulation layer covering the first and the second light emitting elements.

公开(公告)号：US20230335044A1

公开(公告)日：2023-10-19

申请号：US18069418

申请日：2022-12-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JINSUNG AN ,  SUNGHO KIM ,  MINWOO WOO ,  WANGWOO LEE ,  JEONG-SOO LEE ,  SUGWOO JUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2310/0278 ,  G09G2320/0247

Abstract: A display panel includes: a light emitting element, a driving switching element, a bias switching element and a bias control switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is connected to a first electrode of the driving switching element and configured to apply a bias voltage to the first electrode of the driving switching element. The bias control switching element is connected to a first electrode of the bias switching element and configured to apply the bias voltage to the first electrode of the bias switching element.

公开(公告)号：US20230263011A1

公开(公告)日：2023-08-17

申请号：US18070980

申请日：2022-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： HYERI CHO ,  JINSUNG AN ,  MINWOO WOO ,  SEUNGHYUN LEE ,  WANGWOO LEE ,  KYEONGWOO JANG

IPC: H01L33/00

CPC classification number: H01L27/3246

Abstract: A display panel includes: a base layer including a first region, a circuit layer including a first intermediate insulation layer disposed on the base layer and a compensation layer disposed on the base layer, a light emission element layer including a first light emission element having a first electrode and disposed in the first region, and disposed on the circuit layer, and a first spacer disposed on the circuit layer, and overlapping the compensation layer in a plan view. The first region includes an element region overlapping the first electrode and a transmission region not overlapping the first electrode, and the first spacer and the compensation layer are each disposed in the transmission region.

公开(公告)号：US20230247875A1

公开(公告)日：2023-08-03

申请号：US18098954

申请日：2023-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： MINWOO WOO ,  WANGWOO LEE ,  SUNGHO KIM ,  JINSUNG AN ,  SEUNGHYUN LEE ,  KYEONGWOO JANG ,  HYERI CHO

IPC: H10K59/131 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/8791

Abstract: A display panel includes a base layer including a component area, a circuit layer disposed on the base layer, and a light emitting device layer including a first light emitting device disposed in the component area. The circuit layer includes first conductive patterns each extending in a first direction, at least one first intermediate insulating layer disposed on the first conductive patterns, and second conductive patterns disposed on the at least one first intermediate insulating layer and each extending in a second direction intersecting the first direction. Each of the first conductive patterns and the second conductive patterns overlap the first light emitting device in a plan view.

公开(公告)号：US20220149133A1

公开(公告)日：2022-05-12

申请号：US17360081

申请日：2021-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： SEUNGHYUN LEE ,  SUNGHO KIM ,  SEOKJE SEONG ,  JINSUNG AN ,  MINWOO WOO ,  WANGWOO LEE ,  HYUNG JOO JUN

IPC: H01L27/32

Abstract: An organic light emitting display device includes a first transistor including a first active region and a first gate electrode disposed on the first active region, a third transistor including a third lower gate electrode disposed on the first gate electrode, a third active region disposed on the third lower gate electrode, and a third upper gate electrode disposed on the third active region, and a fourth transistor including a fourth active region disposed in the same layer as the first active region and a fourth gate electrode disposed on the fourth active region. The first transistor is a first-type transistor, and the fourth transistor is a second-type transistor different from the first-type transistor.

公开(公告)号：US20250107344A1

公开(公告)日：2025-03-27

申请号：US18778824

申请日：2024-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： MINWOO WOO ,  SOKWON NOH ,  KIHOON PARK ,  JOONHYOUNG PARK ,  SE WAN SON ,  KWANHEE LEE ,  JONGYOON LEE

IPC: H10K59/122

Abstract: A display panel which includes a base layer, a pixel defining layer on the base layer and that has a light emitting opening, a barrier wall on the pixel defining layer and that has a barrier wall opening that overlaps the light emitting opening, and a light emitting element including an anode, an intermediate layer, and a cathode that makes contact with the barrier wall. The barrier wall opening includes a first inner surface and a third inner surface that extend in a direction parallel to a first direction, a second inner surface and a fourth inner surface that extend in a direction parallel to a second direction crossing the first direction, a first corner region, a second corner region, a third corner region, and a fourth corner region.

公开(公告)号：US20220392991A1

公开(公告)日：2022-12-08

申请号：US17710017

申请日：2022-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： MINWOO WOO ,  JINSUNG AN ,  SEUNGHYUN LEE ,  WANGWOO LEE ,  JISEON LEE

IPC: H01L27/32

Abstract: A display device includes a first pixel, a second pixel, and a third pixel. The first pixel includes a first light emitting element of a first group including a first pixel electrode disposed in a first area, a second light emitting element of the first group including a second pixel electrode electrically connected to the first pixel electrode and disposed in the first area, and a first pixel circuit electrically connected to the first light emitting element of the first group and the second light emitting element of the first group and disposed in the second area.

公开(公告)号：US20220384764A1

公开(公告)日：2022-12-01

申请号：US17713237

申请日：2022-04-05

Applicant: Samsung Display Co., Ltd.

Inventor： MINWOO WOO ,  Sungho Kim ,  Seokje Seong ,  Jinsung An ,  Haeyoung Yun ,  Seunghyun Lee ,  Wangwoo Lee ,  Jiseon Lee ,  Yoon-Jong Cho

IPC: H01L51/52 ,  H01L27/32

Abstract: A display panel includes a base layer, a circuit layer disposed on the base layer, a light-emitting element layer disposed on the circuit layer and including a light-emitting element having a pixel electrode, a light-emitting layer disposed on the pixel electrode, and a common electrode disposed on the light-emitting layer, an encapsulation layer disposed on the light-emitting element layer, and a pattern disposed between the circuit layer and the light-emitting element layer. At least a portion of the pattern may be disposed in a region adjacent to the light-emitting element, with respect to a plan view of the display panel.

公开(公告)号：US20220343817A1

公开(公告)日：2022-10-27

申请号：US17648959

申请日：2022-01-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JINSUNG AN ,  SUNGHO KIM ,  SEOKJE SEONG ,  MINWOO WOO ,  SEUNGHYUN LEE ,  WANGWOO LEE ,  JISEON LEE

IPC: G09G3/00 ,  H01L27/32

Abstract: A display panel includes a plurality of first pixels on a first region, a plurality of second pixels on a second region, and a test circuit. The second region has a transmittance less than a transmittance of the first region. The test circuit provides one or more test voltages to the first pixels and the second pixels. The test circuit includes a first test circuit and a second test circuit. The first test circuit provides the first pixels with a first voltage, and the second test circuit provides the second pixels with a second voltage different from the first voltage.