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.

公开(公告)号：US20250103170A1

公开(公告)日：2025-03-27

申请号：US18754663

申请日：2024-06-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongmin LEE ,  Joon Woo BAE ,  Samtae JEONG ,  Hyuneok SHIN

IPC: G06F3/044 ,  H10K59/40

Abstract: An electronic device includes a display panel and an input sensor. The input sensor includes first and second insulating layers, a first sensor electrode including first sensor patterns and first connection patterns, and a second sensor electrode including second sensor patterns and second connection patterns. Each of the first sensor electrode and the second sensor electrode may include a mesh pattern. The mesh pattern includes a first layer, a second layer, a third layer, and a protective pattern covering the side surface of the second layer. An inner surface of the protective pattern directly contacts the side surface of the second layer. The tip part of the third layer and an outer surface of the protective pattern have an undercut form in a cross-sectional view.

公开(公告)号：US20230025912A1

公开(公告)日：2023-01-26

申请号：US17870796

申请日：2022-07-21

Applicant: Samsung Display Co., LTD.

Inventor： Joon Woo BAE ,  Keun Woo Kim ,  Jae Hwan CHU ,  Sang Gun CHOI

IPC: H01L27/32

Abstract: A display device including: a display area including a plurality of pixels; and a peripheral area disposed around the display area to include a driving signal transmission line, each of the pixels may include a transistor, a driving voltage line connected to the transistor and the driving signal transmission line, and a light emitting unit connected to the transistor, the pixels may include a first pixel and a second pixel spaced apart from the driving signal transmission line to have different distances from each other, and a concentration of impurities doped in a semiconductor layer of the transistor of the first pixel may be different from a concentration of impurities doped in a semiconductor layer of the transistor of the second pixel.

公开(公告)号：US20220140038A1

公开(公告)日：2022-05-05

申请号：US17572913

申请日：2022-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Woo BAE ,  So Young KOO ,  Han Bit KIM ,  Thanh Tien NGUYEN ,  Kyoung Won LEE ,  Yong Su LEE ,  Jae Seob LEE ,  Gyoo Chul JO

IPC: H01L27/32 ,  H01L51/52 ,  H01L29/786 ,  H01L27/12

Abstract: An organic light emitting diode display according to an exemplary embodiment includes: a substrate; a first buffer layer on the substrate; a first semiconductor layer on the first buffer layer; a first gate insulating layer on the first semiconductor layer; a first gate electrode and a blocking layer on the first gate insulating layer; a second buffer layer on the first gate electrode; a second semiconductor layer on the second buffer layer; a second gate insulating layer on the second semiconductor layer; and a second gate electrode on the second gate insulating layer.

公开(公告)号：US20250060844A1

公开(公告)日：2025-02-20

申请号：US18600844

申请日：2024-03-11

Applicant: Samsung Display Co., Ltd.

Inventor： Sam Tae JEONG ,  Joon Yong PARK ,  Joon Woo BAE ,  Hyun Eok SHIN

IPC: G06F3/041 ,  G06F3/044

Abstract: A display device includes a substrate including an emission area and a non-emission area; a thin film transistor layer positioned on the substrate; a touch buffer layer positioned on the thin film transistor layer; a connection electrode positioned on the touch buffer layer; a touch insulating layer positioned on the connection electrode; a first electrode positioned on the touch insulating layer, and overlapping the non-emission area; and a first touch sacrificial layer positioned between the touch insulating layer and the first electrode, wherein the first touch sacrificial layer does not overlap the emission area, and is positioned in an island shape while overlapping the non-emission area, and an inclination angle formed between the touch insulating layer and a side surface of the first touch sacrificial layer has an acute angle.

公开(公告)号：US20240062700A1

公开(公告)日：2024-02-22

申请号：US18139255

申请日：2023-04-25

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Woo BAE ,  Dong Min LEE

IPC: G09G3/20 ,  G11C19/28 ,  G09G3/00

CPC classification number: G09G3/2092 ,  G11C19/28 ,  G09G3/006 ,  G09G2310/0286 ,  G09G2330/12 ,  G09G2310/0267

Abstract: Provided is a display device including a display panel configured to include a plurality of pixels positioned on a first substrate and a plurality of scan lines positioned along a first direction; and a plurality of shift registers configured to receive a plurality of clock signals and a start signal, to generate a plurality of scan signals, and to transfer the scan signals to the scan lines, wherein a first shift register among the shift registers is positioned on a second substrate, and is connected to an adjacent second shift register positioned on the first substrate among the shift registers and a corresponding scan line through a contact hole formed in the second substrate.

公开(公告)号：US20220352282A1

公开(公告)日：2022-11-03

申请号：US17868328

申请日：2022-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Mee Jae KANG ,  Joon Woo BAE ,  Thanh Tien NGUYEN ,  Kyoung Won LEE ,  Yong Su LEE ,  Jae Seob LEE ,  Gyoo Chul JO ,  Myoung Geun CHA

IPC: H01L27/32

Abstract: An exemplary embodiment of the present disclosure provides a display device including: a substrate; a semiconductor layer disposed on the substrate; a first transistor including a first gate electrode disposed on the semiconductor layer; a light-emitting diode connected with the first transistor; and a first layer disposed between the substrate and the semiconductor layer, wherein the semiconductor layer includes a first electrode, a second electrode, and a channel disposed between the first electrode and the second electrode, the channel includes an impurity, and the first layer overlaps the first transistor.

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：US20240423018A1

公开(公告)日：2024-12-19

申请号：US18419727

申请日：2024-01-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joon Woo BAE ,  Guanghai JIN ,  Sam Tae JEONG

IPC: H10K59/12 ,  H10K59/122 ,  H10K59/80 ,  H10K71/00 ,  H10K71/60

Abstract: A method for manufacturing a display device, the display device including: a substrate including a display area and a sub area at a side of the display area; a plurality of light emitting elements on the substrate in the display area; a first dam on the substrate and between the plurality of light emitting elements and the sub area; a bank structure on the substrate and in the sub area; and a first valley between the first dam and the bank structure, wherein the method includes: forming a first metal layer including a first metal in the first valley; forming a step compensator on the first metal layer in the first valley; forming a photoresist layer on the first metal layer and the step compensator; forming a photoresist pattern by patterning the photoresist layer; and forming a first electrode by patterning the first metal layer using the photoresist pattern.