公开(公告)号：US12027104B2

公开(公告)日：2024-07-02

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：US20230389397A1

公开(公告)日：2023-11-30

申请号：US18116433

申请日：2023-03-02

Applicant: Samsung Display Co., Ltd.

Inventor： Kyeongwoo Jang ,  Sungho Kim ,  Kiho Bang ,  Jinsung An ,  Minwoo Woo ,  Wangwoo Lee ,  Changho Yi ,  Hyeri Cho ,  Seunghyun Lee

IPC: H10K59/80 ,  H10K59/131 ,  H04M1/02

CPC classification number: H10K59/873 ,  H10K59/131 ,  H04M1/0266

Abstract: A display apparatus includes a display area and a non-display area, an inorganic insulating layer, display elements in the display area, an encapsulation layer including a first inorganic encapsulation layer, a second inorganic encapsulation layer, and an organic encapsulation layer between the first inorganic encapsulation layer and the second inorganic encapsulation layer, a dam in the non-display area, and a power supply line on the inorganic insulating layer in the non-display area, and a portion of the power supply line intersects the dam, an edge of the portion of the power supply line is covered by at least one transparent conductive material layer, a portion of the first inorganic encapsulation layer is on the portion of the power supply line covered by the at least one transparent conductive material layer.

公开(公告)号：US11784190B2

公开(公告)日：2023-10-10

申请号：US16358020

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sewan Son ,  Moosoon Ko ,  Youngwoo Park ,  Jinsung An ,  Minwoo Woo ,  Juwon Yoon ,  Seongjun Lee ,  Wangwoo Lee ,  Jeongsoo Lee ,  Jiseon Lee ,  Deukmyung Ji

IPC: H01L27/12 ,  H10K59/12 ,  H10K59/124 ,  H10K59/121 ,  H01L29/786 ,  H10K59/122 ,  H10K71/00 ,  H10K50/81 ,  H10K50/82 ,  H10K59/123

CPC classification number: H01L27/1218 ,  H01L27/1222 ,  H01L27/1255 ,  H10K59/12 ,  H10K59/122 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K71/00 ,  H01L27/1214 ,  H01L29/78603 ,  H10K50/81 ,  H10K50/82 ,  H10K59/123

Abstract: A display apparatus includes a substrate, a first thin-film transistor including a first semiconductor layer on the substrate, and a first gate electrode on the first semiconductor layer, the first gate electrode being insulated from the first semiconductor layer by a first gate insulating layer, an organic interlayer insulating layer covering the first gate electrode, a first conductive layer on the organic interlayer insulating layer, a first contact hole exposing a top portion of the first semiconductor layer by penetrating through the organic interlayer insulating layer and the first gate insulating layer, and a first protruding portion protruding from a top surface of the substrate between the substrate and the first semiconductor layer, the first protruding portion corresponding to the first contact hole, wherein the first conductive layer contacts the first semiconductor layer through the first contact hole.

公开(公告)号：US11569321B2

公开(公告)日：2023-01-31

申请号：US17135840

申请日：2020-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Wangwoo Lee ,  Minwoo Woo ,  Gunwoo Ko ,  Haeyoung Yun ,  Hyungjoo Jeon ,  Junghyun Cho

IPC: H01L27/32

Abstract: A display apparatus includes a substrate including a display area and a peripheral area outside the display area, a display element arranged on the substrate in the display area, an encapsulation layer arranged on the display element, a first insulating layer arranged on the encapsulation layer and including a first opening that corresponds to a light-emitting area of the display element, and a second insulating layer covering the first insulating layer. A second refractive index of the second insulating layer is greater than a first refractive index of the first insulating layer, and a side surface of the first insulating layer defining the first opening includes a staircase-shaped step.

公开(公告)号：US20170294520A1

公开(公告)日：2017-10-12

申请号：US15353925

申请日：2016-11-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： ILJEONG LEE ,  Youngwoo Park ,  Wangwoo Lee

IPC: H01L29/423 ,  H01L29/40 ,  H01L29/66 ,  H01L29/786 ,  H01L27/12

CPC classification number: H01L29/42384 ,  H01L27/1225 ,  H01L27/1248 ,  H01L27/1255 ,  H01L27/1259 ,  H01L27/3262 ,  H01L29/401 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78696

Abstract: A thin film transistor substrate including a substrate; a semiconductor layer disposed on the substrate, the semiconductor layer including a channel region, and a source region and a drain region at first and second sides of the channel region; a gate electrode disposed on the semiconductor layer; a gate insulating layer disposed between the gate electrode and the semiconductor layer; and a first insulating layer disposed on the substrate, the first insulating layer exposes the upper surface of the gate electrode and surrounds the gate electrode.

公开(公告)号：US11793058B1

公开(公告)日：2023-10-17

申请号：US17954676

申请日：2022-09-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sewan Son ,  Jinsung An ,  Minwoo Woo ,  Wangwoo Lee ,  Jiseon Lee ,  Haejin Kim ,  Seongjun Lee

IPC: H10K50/11 ,  H10K59/88 ,  H10K50/844 ,  H10K59/124 ,  H10K59/131 ,  H10K71/20 ,  H10K59/12

CPC classification number: H10K59/88 ,  H10K50/844 ,  H10K59/124 ,  H10K59/131 ,  H10K71/221 ,  H10K50/11 ,  H10K59/1201

Abstract: A display apparatus includes: a base substrate including a display area, an opening area, and an opening peripheral area between the opening area and the display area, wherein the display area surrounds the opening area, and the opening peripheral area has an annular shape; a conductive pattern disposed on the base substrate in the opening peripheral area and having an annular shape; and a light emitting layer disposed on the base substrate and in a portion of the opening peripheral area, and including an organic material, and wherein the light emitting layer is not formed at a portion of opening peripheral area that is adjacent to the opening area.

公开(公告)号：US20230152640A1

公开(公告)日：2023-05-18

申请号：US17836492

申请日：2022-06-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minwoo Woo ,  Sungho Kim ,  Jinsung An ,  Seunghyun Lee ,  Wangwoo Lee ,  Jiseon Lee

IPC: G02F1/1362 ,  H01L27/32

CPC classification number: G02F1/136209 ,  H01L27/3246 ,  H01L27/3272

Abstract: An electronic apparatus includes: a housing having a backside and lateral sides; a cover window arranged on the housing; a display apparatus arranged under the cover window; a sensor unit arranged under the display apparatus; and a camera unit arranged under the display apparatus. The display apparatus includes: a substrate; a plurality of first electrodes arranged over the substrate; a plurality of emission layers on the plurality of first electrodes; a second electrode overlapping the plurality of first electrodes and the plurality of emission layers; and a shield pattern arranged between the substrate and the plurality of first electrodes, and overlapping the plurality of first electrodes in a plan view; The shield pattern includes a first part and a second part apart from the first part, and the second electrode includes an opening arranged between the first part and the second part in the plan view.

公开(公告)号：US11522034B2

公开(公告)日：2022-12-06

申请号：US16889531

申请日：2020-06-01

Applicant: Samsung Display Co., Ltd.

Inventor： Min Woo Woo ,  Moo-Soon Ko ,  Wangwoo Lee

IPC: H01L27/32

Abstract: A display device includes: a substrate including a display area and a peripheral area; a first conductive layer on the substrate in the peripheral area; an insulation layer covering the first conductive layer; and a second conductive layer on the insulation layer in the peripheral area, the second conductive layer including a plurality of first holes, wherein the first conductive layer does not overlap the first holes of the second conductive layer.

公开(公告)号：US20220384544A1

公开(公告)日：2022-12-01

申请号：US17653862

申请日：2022-03-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： CHIWOOK AN ,  Wangwoo Lee ,  Jiseon Lee

IPC: H01L27/32 ,  H01L51/52

Abstract: An electronic device includes a display panel having a first area, a second area, and a third area. The display panel includes a first pixel including a first light emitting element disposed in the first area and a first pixel circuit disposed ion the second area and configured to drive the first light emitting element. A second pixel is disposed in the second area. A third pixel disposed in the third area. A pixel defining pattern is disposed on the first pixel electrode and has a ring shape when viewed in a plane (e.g., in a plan view).

公开(公告)号：US20220366847A1

公开(公告)日：2022-11-17

申请号：US17581975

申请日：2022-01-23

Applicant: Samsung Display Co., Ltd.

Inventor： Jinsung An ,  Sungho Kim ,  Seokje Seong ,  Minwoo Woo ,  Wangwoo Lee ,  Jiseon Lee

IPC: G09G3/3233 ,  H01L27/32

Abstract: A display apparatus that prevents visual recognition of flickering in each of display areas having different resolutions includes a first pixel circuit, a first display element, a second pixel circuit, and a second display element. The first pixel circuit includes: a first driving transistor configured to control a first current that flows to the first display element; and a first initializing transistor configured to apply a first initializing voltage to a gate of the first driving transistor in response to a first scan signal. The second pixel circuit includes: a second driving transistor configured to control a second current that flows to the second display element; and a second initializing transistor configured to apply a second initializing voltage having a level different from a level of the first initializing voltage to a gate of the second driving transistor in response to the first scan signal.