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：US12022691B2

公开(公告)日：2024-06-25

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: H10K59/121 ,  H01L27/12 ,  H10K59/126 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/126 ,  H10K59/131 ,  H01L27/1225 ,  H01L27/1251

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：US20240172485A1

公开(公告)日：2024-05-23

申请号：US18475379

申请日：2023-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Kyeongwoo Jang ,  Sungho Kim ,  Sewan Son ,  Minwoo Woo ,  Kwanhee Lee ,  Seunghyun Lee ,  Wangwoo Lee ,  Jiseon Lee ,  Sugwoo Jung ,  Hyeri Cho

IPC: H10K59/122 ,  H10K59/80 ,  H10K59/88

CPC classification number: H10K59/122 ,  H10K59/873 ,  H10K59/88

Abstract: A display panel includes a substrate including a display area and a non-display area disposed outside the display area, first to third light-emitting diodes disposed on a substrate in the display area, a metal bank layer disposed in the display area and having pixel openings, a first inorganic encapsulation layer disposed on the first light-emitting diode, a first dummy layer disposed between the first inorganic encapsulation layer and the metal bank layer, a first clad layer overlapping an end of the first dummy layer, and a dam disposed on the non-display area and including a first inorganic layer and a second inorganic layer on the first inorganic layer, wherein the first inorganic layer and the first inorganic encapsulation layer include a same material, and the second inorganic layer and the first clad layer include a same material.

公开(公告)号：US11943956B2

公开(公告)日：2024-03-26

申请号：US17337108

申请日：2021-06-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Minwoo Woo ,  Gunwoo Ko ,  Wangwoo Lee ,  Junghyun Cho ,  Kangwook Heo

IPC: H10K50/84 ,  G06F3/041 ,  H10K50/844 ,  H10K50/86 ,  H10K59/12 ,  H10K59/122 ,  H10K59/40 ,  G02F1/1333 ,  G02F1/1335 ,  G06F1/16 ,  G09F9/30 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/80 ,  H10K50/842 ,  H10K59/121 ,  H10K77/10 ,  H10K102/00

CPC classification number: H10K50/844 ,  G06F3/0412 ,  H10K50/86 ,  H10K59/122 ,  H10K59/40 ,  G02F1/133331 ,  G02F1/133514 ,  G06F1/1641 ,  G06F1/1652 ,  G09F9/301 ,  G09G2300/0408 ,  G09G2380/02 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/171 ,  H10K50/8426 ,  H10K50/868 ,  H10K59/12 ,  H10K59/1216 ,  H10K77/111 ,  H10K2102/311

Abstract: Provided is a display apparatus having improved reliability by effectively controlling spreading of an organic layer. The display apparatus includes a substrate including a display area, and a peripheral area outside the display area, a display element at the display area, an input-sensing layer over the display element, and an optical functional layer on the input-sensing layer, and including a first layer, which corresponds to the display area and the peripheral area, and a second layer on the first layer, and having a greater refractive index than the first layer, wherein the first layer defines a first valley portion defining first holes that is on the peripheral area, and that surrounds the second layer.

公开(公告)号：US11756508B2

公开(公告)日：2023-09-12

申请号：US17467818

申请日：2021-09-07

Applicant: Samsung Display Co., Ltd.

Inventor： Minwoo Woo ,  Sungho Kim ,  Seokje Seong ,  Jinsung An ,  Seunghyun Lee ,  Wangwoo Lee ,  Hyung Joo Jeon

IPC: G09G5/14 ,  G09G5/12 ,  G06F1/16 ,  H04N23/57 ,  H10K50/84 ,  H10K50/844 ,  H10K59/12 ,  H10K59/65

CPC classification number: G09G5/14 ,  G06F1/1686 ,  G09G5/12 ,  G09G2320/0686 ,  H04N23/57 ,  H10K50/841 ,  H10K50/844 ,  H10K59/12 ,  H10K59/65

Abstract: An electronic device operates in a first mode and a second mode and includes: a display panel including a min part on which an opening area and a display area surrounding the opening area are defined, and a sub-display part disposed below the main part; and an electronic module disposed below the display panel. In the first mode, the sub-display part is disposed below and overlaps the opening area in a plan view, and in the second mode, the electronic module is disposed below and overlaps the opening area in the plan view.

公开(公告)号：US20230006025A1

公开(公告)日：2023-01-05

申请号：US17851444

申请日：2022-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes: a substrate including a main display area and an auxiliary display area, the auxiliary display area including a component area and a middle area; a main pixel circuit, and a main display element connected to the main pixel circuit; a first auxiliary display element arranged in the component area; a first auxiliary pixel circuit, a second auxiliary pixel circuit, and a second auxiliary display element connected to the second auxiliary pixel circuit, which are arranged in the middle area; a connection wiring connecting the first auxiliary display element and the first auxiliary pixel circuit; and a reflection reduction layer provided between the substrate and the first auxiliary display element to correspond to the first auxiliary display element, in which the first auxiliary display element includes a first auxiliary pixel electrode, and the reflection reduction layer completely overlaps the first auxiliary pixel electrode. in a plan view