公开(公告)号：US20240395210A1

公开(公告)日：2024-11-28

申请号：US18795917

申请日：2024-08-06

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H10K59/131

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.

公开(公告)号：US20240324317A1

公开(公告)日：2024-09-26

申请号：US18614539

申请日：2024-03-22

Applicant: Samsung Display Co., Ltd.

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

IPC: H10K59/122 ,  H10K59/12 ,  H10K59/80 ,  H10K59/88 ,  H10K71/60

CPC classification number: H10K59/122 ,  H10K59/1201 ,  H10K59/873 ,  H10K59/88 ,  H10K71/60

Abstract: A display apparatus includes a pixel electrode, a pixel definition layer disposed over the pixel electrode and including a first opening exposing a center portion of the pixel electrode, a bank layer disposed over the pixel definition layer and including a second opening exposing the center portion of the pixel electrode, a first pixel protection layer and a second pixel protection layer arranged between the pixel definition layer and the bank layer, an intermediate layer disposed over the pixel electrode, an opposite electrode disposed over the intermediate layer, and an encapsulation layer disposed over the bank layer and the opposite electrode.

公开(公告)号：US11616214B2

公开(公告)日：2023-03-28

申请号：US17138124

申请日：2020-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Il-Joo Kim ,  Gunwoo Ko ,  Yong-Hwan Kim ,  Taekon Kim ,  Hyunyoung Kim ,  Jong-Ryuk Park ,  Wangwoo Lee ,  Hyungjun Lim ,  Youngbae Jung ,  Jung-Hyun Cho

IPC: G06F3/041 ,  H01L51/52 ,  H01L27/32

Abstract: A display device includes a display layer including an active area including a plurality of pixel areas, and a peripheral area adjacent to the active area, an insulating layer disposed on the display layer, the insulating layer including at least one first opening overlapping the plurality of pixel areas, and at least one second opening in the peripheral area, a refractive index layer disposed on the insulating layer, having a refractive index greater than a refractive index of the insulating layer, and spaced apart from the at least one second opening, and a polarizing layer overlapping the refractive index layer. At least a portion of the polarizing layer overlaps the at least one second opening.

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：US11257893B2

公开(公告)日：2022-02-22

申请号：US16737694

申请日：2020-01-08

Applicant: Samsung Display Co., Ltd.

Inventor： Junghwa Kim ,  Sewan Son ,  Minwoo Woo ,  Wangwoo Lee ,  Jihoon Kim ,  Byungseon An ,  Yonghui Lee ,  Kihyun Cho

IPC: H01L27/32 ,  H01L51/00 ,  H01L51/52 ,  H01L51/56

Abstract: A display panel includes: a substrate including an opening area, a display area surrounding the opening area, and an intermediate area between the opening area and the display area; a plurality of display elements in the display area and electrically connected to a thin film transistor; a plurality of wirings arranged along an edge of the opening area in the intermediate area; and at least one metal pattern spaced apart from the plurality of wirings in the intermediate area, the at least one metal pattern surrounding the opening area and having a ring shape opened at one side.

公开(公告)号：US20220013607A1

公开(公告)日：2022-01-13

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：US12217640B2

公开(公告)日：2025-02-04

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 ,  H10K59/121 ,  H10K59/131 ,  H10K59/40 ,  H10K59/12

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.

公开(公告)号：US12158673B2

公开(公告)日：2024-12-03

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 ,  H10K59/122 ,  H10K59/126

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：US12057066B2

公开(公告)日：2024-08-06

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 ,  G09G3/3266 ,  G09G3/3283 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/131 ,  G09G3/3266 ,  G09G3/3283 ,  G09G2300/0842 ,  G09G2310/08 ,  G09G2340/0407

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.

公开(公告)号：US20240237393A1

公开(公告)日：2024-07-11

申请号：US18616155

申请日：2024-03-25

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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