公开(公告)号：US20190326560A1

公开(公告)日：2019-10-24

申请号：US16203784

申请日：2018-11-29

Applicant: Samsung Display Co., Ltd.

Inventor： Myoung Geun CHA ,  Sang Gun CHOI ,  Joon Woo BAE ,  Ji Yeong SHIN ,  Yong Su LEE

IPC: H01L51/56 ,  H01L27/32 ,  H01L51/52 ,  H01L21/308

Abstract: A method for manufacturing a display device including forming a lower electrode on a substrate; depositing a first insulation layer thereon; forming a semiconductor layer that overlaps the lower electrode thereon; depositing a second insulation layer thereon; forming a gate electrode and an etching prevention layer that overlap the semiconductor layer thereon; depositing a third insulation layer thereon; forming a first conductor that overlaps the gate electrode thereon; depositing a fourth insulation layer thereon; forming a photosensitive film patterns thereon by depositing a photosensitive film and exposing and developing the photosensitive film such that portions of the photosensitive film are removed in a first area, a second area, and a third area; etching the third insulation layer using the patterns as an etching mask; etching the etching prevention layer by using the patterns as an etching mask; and etching the first insulation layer using the patterns as an etching mask.

公开(公告)号：US20240121984A1

公开(公告)日：2024-04-11

申请号：US18455832

申请日：2023-08-25

Applicant: Samsung Display Co., LTD.

Inventor： Han Bit KIM ,  Keun Woo KIM ,  Doo Na KIM ,  Sang Sub KIM ,  Chan Yeob SEOL ,  Jae Hwan CHU ,  Sang Gun CHOI

IPC: H10K59/121 ,  H10K59/131

CPC classification number: H10K59/1213 ,  H10K59/131

Abstract: A display device including a pixel electrode, and a pixel circuit electrically connected to the pixel electrode. The pixel circuit includes a first transistor including sub-transistors electrically connected to each other through a first common node, a second transistor including sub-transistors electrically connected to each other through a second common node, a first electrode electrically connecting the first common node with the second common node, and a second electrode disposed to overlap the first electrode and electrically connected to a direct current power source.

公开(公告)号：US20210202655A1

公开(公告)日：2021-07-01

申请号：US17079278

申请日：2020-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min CHO ,  Tae Wook KANG ,  Sang Gun CHOI ,  Shin Il CHOI ,  Yun Jung OH ,  Myoung Geun CHA

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

Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.

公开(公告)号：US20160233277A1

公开(公告)日：2016-08-11

申请号：US14879591

申请日：2015-10-09

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Yeon CHAE ,  Sang Gun CHOI ,  Tae Woon CHA

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50

CPC classification number: H01L27/3262 ,  H01L27/3218 ,  H01L27/3248

Abstract: An organic light emitting diode (OLED) display device including: a substrate; first, second and third thin film transistors sequentially laminated over the substrate; a pixel definition layer formed over the substrate and defining a pixel area; and first, second and third organic light emitting diode elements formed over the substrate, sequentially laminated in the pixel area, and respectively connected to the first, second and third thin film transistors.

Abstract translation: 一种有机发光二极管（OLED）显示装置，包括：基板; 第一，第二和第三薄膜晶体管顺序层压在基板上; 形成在所述基板上并限定像素区域的像素限定层; 以及形成在所述基板上的第一，第二和第三有机发光二极管元件，顺序层叠在所述像素区域中，并分别连接到所述第一，第二和第三薄膜晶体管。

公开(公告)号：US20150234215A1

公开(公告)日：2015-08-20

申请号：US14459463

申请日：2014-08-14

Applicant: Samsung Display Co., Ltd.

Inventor： Si Kwang KIM ,  Tae Gyun KIM ,  Hyoung Sub LEE ,  Woo Yong SUNG ,  Tae Woon CHA ,  Sang Gun CHOI

IPC: G02F1/1341 ,  G02F1/1337 ,  G02F1/1333 ,  G02F1/1368 ,  G02F1/1335

CPC classification number: G02F1/1341 ,  G02F1/133377 ,  G02F1/133512 ,  G02F1/1337 ,  G02F1/13394 ,  G02F1/136209

Abstract: Provided is a display device capable of preventing a liquid crystal from being left outside a microcavity. The display device includes: a substrate; a pixel electrode formed on the substrate; a roof layer formed on the pixel electrode so as to be spaced apart from the pixel electrode with a plurality of microcavities therebetween; a light blocking member positioned between two microcavities of the plurality of microcavities, overlapping with a first edge of one microcavity of the two microcavities, and not overlapping with a second edge of the other microcavity; an injection hole exposing a part of the microcavity; a liquid crystal layer filling the microcavity; and an encapsulation layer formed on the roof layer so as to cover the injection hole to seal the microcavity.

Abstract translation: 提供了能够防止液晶离开微腔的显示装置。 显示装置包括：基板; 形成在所述基板上的像素电极; 形成在所述像素电极上以与所述像素电极间隔开的屋顶层，其间具有多个微腔; 定位在所述多个微腔的两个微腔之间的遮光构件，与所述两个微腔的一个微腔的第一边缘重叠，并且不与所述另一微腔的第二边缘重叠; 暴露所述微腔的一部分的注入孔; 填充微腔的液晶层; 以及形成在屋顶层上以封闭注射孔以密封微腔的封装层。

公开(公告)号：US20240397773A1

公开(公告)日：2024-11-28

申请号：US18791102

申请日：2024-07-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min CHO ,  Tae Wook KANG ,  Sang Gun CHOI ,  Shin Il CHOI ,  Yun Jung OH ,  Myoung Geun CHA

IPC: H10K59/131 ,  H10K50/824 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00

Abstract: A display apparatus includes: a base substrate; a thin film transistor and a power supply wire on the base substrate; a first electrode on the base substrate, and electrically connected to the thin film transistor; a light emitting layer and a common layer on the first electrode; and a second electrode on the common layer. The power supply wire includes: a first conductive layer; a second conductive layer on the first conductive layer; and a third conductive layer on the second conductive layer. The third conductive layer protrudes more than the second conductive layer on a side surface of the power supply wire, and the second electrode contacts a side surface of the second conductive layer.

公开(公告)号：US20240304726A1

公开(公告)日：2024-09-12

申请号：US18665023

申请日：2024-05-15

Applicant: Samsung Display Co., LTD.

Inventor： Sang Sub KIM ,  Keun Woo KIM ,  Ji Yeong SHIN ,  Yong Su LEE ,  Myoung Geun CHA ,  Ki Seok CHOI ,  Sang Gun CHOI

IPC: H01L29/786 ,  G09G3/32 ,  H01L21/225 ,  H01L21/265 ,  H01L21/28 ,  H01L27/12 ,  H01L29/66 ,  H10K59/12 ,  H10K59/121

CPC classification number: H01L29/78603 ,  H01L27/1274 ,  H01L29/6675 ,  H10K59/1213 ,  G09G3/32 ,  G09G2300/0809 ,  H01L21/2253 ,  H01L21/26533 ,  H01L21/28158 ,  H01L27/1255 ,  H10K59/1201

Abstract: A display device and method of fabricating the same are provided. The display device includes a substrate and a thin-film transistor formed on the substrate. The thin-film transistor includes a lower gate conductive layer disposed on the substrate, and a lower gate insulating film disposed on the lower gate conductive layer The lower gate insulating film includes an upper surface and sidewalls. The thin-film transistor includes an active layer disposed on the upper surface of the lower gate insulating film, the active layer including sidewalls. At least one of the sidewalls of the lower gate insulating film and at least one of the sidewalls of the active layer are aligned with each other.

公开(公告)号：US20230223478A1

公开(公告)日：2023-07-13

申请号：US18122815

申请日：2023-03-17

Applicant: Samsung Display Co., LTD.

Inventor： Sang Sub KIM ,  Keun Woo KIM ,  Ji Yeong SHIN ,  Yong Su LEE ,  Myoung Geun CHA ,  Ki Seok CHOI ,  Sang Gun CHOI

IPC: H10K59/12 ,  H01L29/66

CPC classification number: H10K59/1201 ,  H01L29/6675 ,  H10K59/1213

Abstract: A display device and method of fabricating the same are provided. The display device includes a substrate and a thin-film transistor formed on the substrate. The thin-film transistor includes a lower gate conductive layer disposed on the substrate, and a lower gate insulating film disposed on the lower gate conductive layer The lower gate insulating film includes an upper surface and sidewalls. The thin-film transistor includes an active layer disposed on the upper surface of the lower gate insulating film, the active layer including sidewalls. At least one of the sidewalls of the lower gate insulating film and at least one of the sidewalls of the active layer are aligned with each other.

公开(公告)号：US20230068662A1

公开(公告)日：2023-03-02

申请号：US17982721

申请日：2022-11-08

Applicant: Samsung Display Co., Ltd.

Inventor： Myoung Geun CHA ,  Sang Gun CHOI ,  Joon Woo BAE ,  Ji Yeong SHIN ,  Yong Su LEE

IPC: H01L51/56 ,  H01L27/32 ,  H01L21/308 ,  H01L51/52

Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.

公开(公告)号：US20210036268A1

公开(公告)日：2021-02-04

申请号：US17075872

申请日：2020-10-21

Applicant: Samsung Display Co., Ltd.

Inventor： Myoung Geun CHA ,  Sang Gun CHOI ,  Joon Woo BAE ,  Ji Yeong SHIN ,  Yong Su LEE

IPC: H01L51/56 ,  H01L27/32 ,  H01L21/308 ,  H01L51/52

Abstract: A display device includes a first transistor including a first active layer, a first gate electrode overlapping the first active layer, a gate insulating layer between the first active layer and the first gate electrode, a first source electrode, and a first drain electrode; a second transistor including a second active layer, a second gate electrode overlapping the second active layer, a second source electrode and a second drain electrode; a capacitor including a first capacitor electrode connected to the second transistor; a lower electrode disposed under the first active layer; a connecting member connecting the first active layer to the lower electrode; and a first metal pattern contacting the connecting member and disposed on a same layer with the first gate electrode.