公开(公告)号：US20210257424A1

公开(公告)日：2021-08-19

申请号：US17307292

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Minwoo BYUN ,  Keonwoo KIM ,  Mangi KIM ,  Donghyun LEE ,  Byeongguk JEON ,  Byungsun KIM ,  Yangwan KIM ,  Hyungjun PARK ,  Sujin LEE ,  Jaeyong LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device including: a substrate; a plurality of display elements defining a display area on the substrate and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a power supply wiring disposed outside the display area; an organic insulating layer on the power supply wiring and having an opening exposing the power supply wiring; a power supply electrode layer partially disposed on the organic insulating layer and including a plurality of holes over the organic insulating layer. A first portion of the power supply electrode layer overlaps the power supply wiring and a second portion of the power supply electrode layer overlaps the opposite electrode; a plurality of protrusions spaced apart from each other and respectively covering at least some of the plurality of holes; and an encapsulation layer covering the plurality of display elements.

公开(公告)号：US20210050405A1

公开(公告)日：2021-02-18

申请号：US17087480

申请日：2020-11-02

Applicant: Samsung Display Co., Ltd.

Inventor： Jisu NA ,  Yangwan KIM ,  Minwoo BYUN

IPC: H01L27/32 ,  H01L51/52

Abstract: A display panel includes: a substrate including: a first region; a second region; a non-display area surrounding the first region and the second region; and a display area surrounding the non-display area; a plurality of pixels in the display area; a plurality of wirings configured to supply signals to the plurality of pixels; a load matching area connected to first wirings of the wirings, the load matching area including load units in the non-display area; and a dummy area including a plurality of dummy units spaced apart from the load units in the non-display area, wherein each of the load units comprises a load semiconductor layer, a first load conductive layer, and a second load conductive layer which at least partially overlap each other with an insulating layer therebetween, and the load semiconductor layer is connected to the second load conductive layer via a first contact hole.

公开(公告)号：US20190073957A1

公开(公告)日：2019-03-07

申请号：US16121083

申请日：2018-09-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Taehoon YANG ,  Dae-Hyun NOH ,  Yongsung PARK ,  Minwoo BYUN

IPC: G09G3/3258

Abstract: A display device includes a display panel including a plurality of pixels, and a panel driver that generates a scan signal, a global signal, and data signals, and provides first and second power supply voltages to the display panel. Each pixel includes a first transistor between one of data line and a first node, the first transistor receiving the scan signal at a gate of the first transistor, a second transistor to transfer the first power supply voltage in response to the global signal, a driving transistor between the second transistor and a second node, the driving transistor having a gate connected to the first node, an organic light emitting diode between the second node and the second power supply voltage, and a storage capacitor between the first node and the second node. The driving transistor and the second transistor are different ones of P-type and N-type transistors.

公开(公告)号：US20210313413A1

公开(公告)日：2021-10-07

申请号：US17315573

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Youngjin CHO ,  Yangwan KIM ,  Joong-Soo MOON ,  Minwoo BYUN ,  Changkyu JIN

IPC: H01L27/32 ,  G06F3/044 ,  G06F3/041 ,  H01L51/00 ,  H01L51/52 ,  H05K1/14

Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.

公开(公告)号：US20200273940A1

公开(公告)日：2020-08-27

申请号：US16709277

申请日：2019-12-10

Applicant: Samsung Display Co., LTD.

Inventor： Minwoo BYUN ,  Kwang-Min KIM ,  Kiwook KIM ,  Jisu NA ,  Yangwan KIM

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3225

Abstract: An organic light emitting diode (OLED) display device includes a substrate, a light emitting layer, first and second power supply wires, a connection pattern, and an upper electrode. The substrate has display, peripheral and pad regions. The peripheral region includes first, second and third peripheral regions. The first power supply wire is disposed in the second and third peripheral regions and a part of the first peripheral region. The second power supply wire is disposed in the display region and first and third peripheral regions. The connection pattern overlaps and electrically connects to the first power supply wire. The upper electrode is electrically connected to the connection pattern, disposed in the display region and a part of the peripheral region over the connection pattern and the light emitting layer, and partially overlapped with the first power supply wire and the connection pattern.

公开(公告)号：US20250031534A1

公开(公告)日：2025-01-23

申请号：US18374810

申请日：2023-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Youngjin CHO ,  Yangwan KIM ,  Joong-Soo MOON ,  Minwoo BYUN ,  Changkyu JIN

IPC: H10K59/131 ,  G06F3/041 ,  G06F3/044 ,  H01L27/12 ,  H05K1/14 ,  H05K1/18 ,  H10K50/844 ,  H10K59/123 ,  H10K59/124 ,  H10K59/40 ,  H10K77/10 ,  H10K102/00

Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.

公开(公告)号：US20210335263A1

公开(公告)日：2021-10-28

申请号：US17146303

申请日：2021-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Minwoo BYUN ,  Jongwon PARK

IPC: G09G3/3258 ,  G09G5/10

Abstract: An emission control driver includes: a plurality of stages having: a first circuit portion configured to generate a first control signal at a first node and a second control signal at a second node; a second circuit portion configured to control a voltage level of the first control signal; a third circuit portion configured to generate a third control signal based on the first control signal, the second control signal, and the second clock signal; a first output transistor configured to output a first voltage as the emission control signal in response to the first control signal; and a second output transistor configured to output a second voltage as the emission control signal, and wherein the third circuit portion comprises a first capacitor configured to maintain a substantially constant voltage between both electrodes while each of the plurality of stages outputs the emission control signal.

公开(公告)号：US20190157630A1

公开(公告)日：2019-05-23

申请号：US16192996

申请日：2018-11-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hokyoon KWON ,  Jeonghun KIM ,  Minwoo BYUN ,  Byeongguk JEON ,  Jin-yup KIM ,  Dae-hyun NOH

IPC: H01L51/56 ,  H01L27/32 ,  G09G3/3233 ,  H01L27/12 ,  H01L51/52

Abstract: A display panel includes a base substrate in which an active area and a peripheral area adjacent to the active area are defined, a pixel disposed in the active area, a first line disposed in the active area and connected to the pixel, a second line disposed in the peripheral area and spaced apart from the first line in a plan view, a linking pattern electrically connecting the first line to the second line and disposed on a layer different from a layer on which each of the first and second lines is disposed, and an inorganic layer disposed between the first line and the linking pattern and between the second line and the linking pattern. The linking pattern is connected to the first line and the second line through contact holes formed in the inorganic layer.

公开(公告)号：US20190006442A1

公开(公告)日：2019-01-03

申请号：US15823613

申请日：2017-11-28

Applicant: Samsung Display Co, Ltd.

Inventor： Minwoo BYUN ,  Keonwoo KIM ,  Mangi KIM ,  Donghyun LEE ,  Byeongguk JEON ,  Byungsun KIM ,  Yangwan KIM ,  Hyungjun PARK ,  Sujin LEE ,  Jaeyong LEE

IPC: H01L27/32 ,  H01L51/52

Abstract: Provided is a display device including: a substrate; a plurality of display elements defining a display area on the substrate and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a power supply wiring disposed outside the display area; an organic insulating layer on the power supply wiring and having an opening exposing the power supply wiring; a power supply electrode layer partially disposed on the organic insulating layer and including a plurality of holes over the organic insulating layer, wherein a first portion of the power supply electrode layer overlaps the power supply wiring and a second portion of the power supply electrode layer overlaps the opposite electrode; a plurality of protrusions spaced apart from each other and respectively covering at least some of the plurality of holes; and an encapsulation layer covering the plurality of display elements.

公开(公告)号：US20240321212A1

公开(公告)日：2024-09-26

申请号：US18406135

申请日：2024-01-06

Applicant: Samsung Display Co., LTD.

Inventor： Minjoo KIM ,  Wonkyu KWAK ,  Minwoo BYUN

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2320/0247 ,  G09G2330/021

Abstract: A pixel includes: a light-emitting diode; a first transistor; a second transistor connected to a gate of the first transistor and to a data line; a third transistor connected to the gate of the first transistor and to a first voltage line; a fourth transistor connected to the first transistor and a second voltage line; a fifth transistor connected to the first transistor and to a third voltage line; and a sixth transistor connected to the first transistor and to the light-emitting diode, where a gate signal supplied to a gate of the sixth transistor is a signal obtained by shifting a gate signal supplied to a gate of the fifth transistor by a certain time.