公开(公告)号：US11839117B2

公开(公告)日：2023-12-05

申请号：US17197449

申请日：2021-03-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kohei Ebisuno ,  Yong Ho Yang ,  Jun Hee Lee ,  Nak Cho Choi

IPC: H10K59/126 ,  H10K50/86 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131 ,  H10K102/00 ,  H01L27/12

CPC classification number: H10K59/126 ,  H10K50/86 ,  H10K59/121 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/131 ,  H01L27/1214 ,  H10K2102/3026

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, a plurality of transmissive windows spaced apart from the pixels, and a light blocking member disposed between one of the pixels and one of the transmissive windows. The pixels display an image, and light is transmitted through the transmissive windows. Each pixel includes a transistor including a plurality of electrode members disposed in different layers on the substrate. The light blocking member includes a plurality of light blocking sub-members respectively disposed in the same layers as the plurality of electrode members.

公开(公告)号：US11690247B2

公开(公告)日：2023-06-27

申请号：US17325587

申请日：2021-05-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyunghyun Choi ,  Seongjun Lee ,  Kohei Ebisuno ,  Heeseong Jeong

IPC: H01L51/52 ,  H01L27/32 ,  H01L27/14 ,  H10K50/844 ,  H10K59/121 ,  H01L27/146 ,  H10K50/818 ,  H10K50/856 ,  H10K50/80 ,  H10K59/35 ,  H10K59/40 ,  H10K102/00

CPC classification number: H10K50/844 ,  H10K59/121 ,  H01L27/14678 ,  H10K50/818 ,  H10K50/856 ,  H10K50/868 ,  H10K59/1216 ,  H10K59/35 ,  H10K59/40 ,  H10K2102/00 ,  H10K2102/351

Abstract: A display panel, in which a main display area, and a component area including a plurality of pixel groups and a transmission area are defined, includes a substrate, an inorganic insulating layer disposed on the substrate, where a first hole is defined through the inorganic insulating layer to correspond to the transmission area, a plurality of main display elements disposed on the inorganic insulating layer in the main display area, and a plurality of auxiliary display elements disposed on the inorganic insulating layer and corresponding to the pixel groups, respectively. The substrate includes a first base layer, a first barrier layer, a second base layer, a compensation layer, and a second barrier layer, which are stacked one on another, and a refractive index of the compensation layer has a value between a refractive index of the second base layer and a refractive index of the second barrier layer.

公开(公告)号：US11563126B2

公开(公告)日：2023-01-24

申请号：US17348188

申请日：2021-06-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kohei Ebisuno ,  Sungjun Kim ,  Donghyun Son ,  Jaesoo Jung ,  Sunghoon Moon ,  Jingoo Jung

IPC: H01L29/786 ,  H01L27/32 ,  H01L27/12 ,  H01L21/02 ,  H01L21/306 ,  H01L29/66

Abstract: A thin film transistor includes an active layer including a first portion having a first thickness and a second portion having a second thickness greater than the first thickness, a capping layer filling a thickness difference between the first portion and the second portion and arranged on the first portion, a gate insulating layer arranged on the capping layer, a gate electrode on the active layer, wherein the gate insulating layer and the capping layer are disposed between the gate electrode and the active layer, and a source electrode and a drain electrode connected to the active layer.

公开(公告)号：US11552157B2

公开(公告)日：2023-01-10

申请号：US17177363

申请日：2021-02-17

Applicant: Samsung Display Co., LTD.

Inventor： Dong Hyun Son ,  Sung Hoon Moon ,  Sung Jun Kim ,  Kohei Ebisuno ,  Deok Hoi Kim ,  Sanghoon Oh

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

Abstract: A display apparatus includes a base substrate including a display area in which an image is displayed and a peripheral area adjacent to the display area, a source/drain pattern on the base substrate, the source/drain pattern including a connecting electrode in a pad portion of the peripheral area and a electrode of a thin film transistor in the display area, a planarization insulation layer on the base substrate, the planarization insulation layer contacting a side surface of the connecting electrode and a side surface of the electrode of the thin film transistor, and exposing a top surface of the connecting electrode, a connecting member contacting the connecting electrode, and a driving member including a driving circuit, the driving member being connected to the connecting member.

公开(公告)号：US10074710B2

公开(公告)日：2018-09-11

申请号：US15490661

申请日：2017-04-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kohei Ebisuno ,  Ae Shin ,  Yong Ho Yang ,  Jun Hee Lee ,  Nak Cho Choi

IPC: H01L27/32

CPC classification number: H01L27/3272 ,  H01L27/3216 ,  H01L27/3246 ,  H01L27/326 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276

Abstract: An organic light emitting diode display includes a substrate, a plurality of pixels disposed on the substrate, and a plurality of transmitting windows configured to transmit light therethrough. The plurality of transmitting windows is spaced apart from the plurality of pixels. Each of the plurality of pixels includes a transistor and a capacitor. The transistor includes a light-blocking electrode disposed on the substrate and a plurality of electrode members disposed at different layers on the light-blocking electrode. The capacitor includes a first capacitor electrode disposed on a same layer as the light-blocking electrode, and a second capacitor electrode disposed on a same layer as a first one of the plurality of electrode members to overlap the first capacitor electrode.

公开(公告)号：US12261176B2

公开(公告)日：2025-03-25

申请号：US17541196

申请日：2021-12-02

Applicant: Samsung Display Co., LTD.

Inventor： Kohei Ebisuno ,  Jin-Suk Lee ,  Jong Min Lee ,  Jun Young Kim ,  Yong Ho Yang

IPC: H01L27/12 ,  G02F1/1345 ,  G02F1/1362 ,  H10K59/131

Abstract: A display device includes: a substrate including a display area and a non-display area; a transistor and a light emitting element, which are disposed on the display area; a pad portion disposed in the non-display area, where the pad portion includes a first metal pattern; and a printed circuit board or a data driver, which is connected with the pad portion. The transistor includes a semiconductor layer disposed on the substrate and a source electrode or a drain electrode which is electrically connected with the semiconductor layer. The source electrode or the drain electrode includes a first layer including a first metal, a second layer including a second metal, and a third layer including the first metal, where the first metal pattern includes the first metal, and is connected with the printed circuit board or the data driver.

公开(公告)号：US12193269B2

公开(公告)日：2025-01-07

申请号：US17357894

申请日：2021-06-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kohei Ebisuno ,  Kwanyong Pak ,  Youngwon Kim ,  Jinseok Oh ,  Jin Jeon ,  Jingoo Jung ,  Kyunghyun Choi

IPC: H10K59/121 ,  H01L27/12 ,  H10K50/844 ,  H10K59/12

Abstract: A display apparatus includes a main display area, and a component area including pixel groups spaced apart from each other and a transmission area between the pixel groups. The display apparatus further includes a substrate including a first base layer, a compensation layer, a first barrier layer, and a second barrier layer sequentially stacked on one another, a bottom metal layer between the first barrier layer and the second barrier layer, a buffer layer on the second barrier layer, main display elements on the substrate of the main display area, and auxiliary display elements on the substrate of the component area.

公开(公告)号：US20240324285A1

公开(公告)日：2024-09-26

申请号：US18426365

申请日：2024-01-30

Applicant: Samsung Display Co., Ltd.

Inventor： Moosoon Ko ,  Kohei Ebisuno ,  Sanghoon Oh ,  Jaesoo Jung

IPC: H10K59/121 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/1201

Abstract: A display apparatus and a manufacturing method may avoid electrical shorting caused by protrusion structures that result from a difference in etch rates. The display apparatus includes a substrate, a semiconductor layer on the substrate, a first metal layer arranged on the semiconductor layer, insulated from the semiconductor layer, and including a first metal layer having a first etch rate under a predetermined condition, and a second metal layer arranged on the first metal layer, contacting an upper surface of the first metal layer, including a second metal material having a second etch rate under the predetermined condition, the second etch rate being less than the first etch rate, and arranged in the upper surface of the first metal layer when viewed in a direction perpendicular to the substrate.

公开(公告)号：US11864421B2

公开(公告)日：2024-01-02

申请号：US17034252

申请日：2020-09-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jinsuk Lee ,  Jin Jeon ,  Sugwoo Jung ,  Shinbeom Choi ,  Youngin Hwang ,  Byungno Kim ,  Heeyeon Kim ,  Kohei Ebisuno ,  Nalae Lee ,  Illhwan Lee ,  Jongmin Lee ,  Joohyeon Jo ,  Changha Kwak ,  Yongseon Jo

IPC: H01L27/32 ,  H10K59/121 ,  H10K77/10 ,  H01L27/12 ,  H01L29/786 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K59/1213 ,  H10K77/111 ,  H01L27/1218 ,  H01L27/1262 ,  H01L29/78603 ,  H10K59/1201 ,  H10K2102/311

Abstract: Provided are a thin film transistor substrate which include a substrate, a buffer layer and a thin film transistor, a display apparatus including the thin film transistor substrate, and a method of manufacturing the display apparatus including the thin film transistor substrate. The buffer layer includes an inorganic insulating layer. An area ratio of a peak corresponding to an N—H bond in the buffer layer is 0.5% or less based on a total peak area in a Fourier transform infrared spectroscopy (FTIR).

公开(公告)号：US11049921B2

公开(公告)日：2021-06-29

申请号：US16843489

申请日：2020-04-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hee Lee ,  In Jun Bae ,  Kohei Ebisuno

IPC: H01L27/32 ,  H01L29/04 ,  H01L29/78 ,  G09G3/3233 ,  G09G3/3241 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H01L29/786 ,  H01L27/12

Abstract: A display device includes a scan line that extends in a first direction on a substrate and that transmits a scan signal; a data line that extends in a second direction that intersects the first direction and that transmits a data signal; a driving voltage line that extends in the second direction and that transmits a driving voltage; a transistor that includes a second transistor connected to the scan line and the data line and a first transistor connected to the second transistor; a light emitting device connected to the transistor; and a conductive pattern disposed between the substrate and the first transistor, where each of the first and second transistors includes an active pattern with a stacked first semiconductor layer and a second semiconductor layer, which have different crystalline states.