公开(公告)号：US20240292678A1

公开(公告)日：2024-08-29

申请号：US18656971

申请日：2024-05-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaebum Han ,  Younggil Park ,  Junghwa Park ,  Nari Ahn ,  Sooim Jeong

IPC: H10K59/124 ,  H10K59/12 ,  H10K71/00 ,  H10K85/40 ,  H10K101/00

CPC classification number: H10K59/124 ,  H10K71/00 ,  H10K85/40 ,  H10K59/1201 ,  H10K2101/27

Abstract: A display device includes: a substrate; a first insulating layer disposed on the substrate and that includes an inorganic insulating material; an oxide semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the oxide semiconductor layer and that includes an inorganic insulating material; and a third insulating layer disposed on a gate electrode disposed on the second insulating layer and that includes an inorganic insulating material. The oxide semiconductor layer includes a first conductive region, a second conductive region, and a channel region located between the first conductive region and the second conductive region, and a value in the channel region of the oxide semiconductor layer of HC according to equation (1) is less than 30%.

公开(公告)号：US20220173186A1

公开(公告)日：2022-06-02

申请号：US17382425

申请日：2021-07-22

Applicant: Samsung Display Co., Ltd.

Inventor： Jaebum Han ,  Younggil Park ,  Moonsung Kim ,  Jaisun Kyoung ,  Kihyun Kim ,  Sooim Jeong

IPC: H01L27/32

Abstract: Provided are a display apparatus with improved display quality and a method of manufacturing the same, the display apparatus including: a substrate including a first base layer, a second base layer arranged over the first base layer, and a first barrier layer disposed between the first base layer and the second base layer; a first thin-film transistor arranged over the substrate and including a first semiconductor layer and a first gate electrode, wherein the first barrier layer includes a first sub-layer and a second sub-layer disposed on the first sub-layer, the first sub-layer including an inorganic material and the second sub-layer including amorphous silicon and crystallized silicon.

公开(公告)号：US20210305521A1

公开(公告)日：2021-09-30

申请号：US17135820

申请日：2020-12-28

Applicant: Samsung Display Co., Ltd.

Inventor： Jaebum Han ,  Younggil Park ,  Junghwa Park ,  Nari Ahn ,  Sooim Jeong

IPC: H01L51/00 ,  H01L27/32 ,  H01L51/52 ,  C08G73/10

Abstract: A display panel includes the following elements: a substrate including a first base layer, wherein the first base layer includes a transparent polyimide resin; a first pixel circuit and a second pixel circuit over the substrate, spaced from each other with the transmission area between the first pixel circuit and the second pixel circuit, and each including transistors and a storage capacitor; a first display element electrically connected to the first pixel circuit; and a second display element electrically connected to the second pixel circuit.

公开(公告)号：US20210066424A1

公开(公告)日：2021-03-04

申请号：US16837652

申请日：2020-04-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaebum Han ,  Younggil Park ,  Junghwa Park ,  Nari Ahn ,  Sooim Jeong

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

Abstract: A display device includes: a substrate; a first insulating layer disposed on the substrate and that includes an inorganic insulating material; an oxide semiconductor layer disposed on the first insulating layer; a second insulating layer disposed on the oxide semiconductor layer and that includes an inorganic insulating material; and a third insulating layer disposed on a gate electrode disposed on the second insulating layer and that includes an inorganic insulating material. The oxide semiconductor layer includes a first conductive region, a second conductive region, and a channel region located between the first conductive region and the second conductive region, and a value in the channel region of the oxide semiconductor layer of HC according to equation (1) is less than 30%.

公开(公告)号：US12069828B2

公开(公告)日：2024-08-20

申请号：US16890069

申请日：2020-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Junsu Park ,  Hyun-Ju Lee ,  Gisuk Kwon ,  Younggil Park ,  Nari Ahn ,  Sooim Jeong

IPC: H05K5/03 ,  B05D3/06 ,  B05D7/00 ,  B05D7/04 ,  C03C17/42 ,  G02B1/14 ,  G02B1/16 ,  H05K5/00

CPC classification number: H05K5/03 ,  B05D3/067 ,  B05D7/04 ,  B05D7/54 ,  C03C17/42 ,  G02B1/14 ,  G02B1/16 ,  H05K5/0017 ,  C03C2217/78

Abstract: A window includes a base layer and a hard coating layer on the base layer. The hard coating layer includes a first layer on the base layer and of a first thickness, and a second layer on the first layer and of a second thickness. The second layer includes an antistatic agent. The hard coating layer has a hardness reduction rate of 50 percent (%) or less expressed as follows.




H
=


(

1
-


D
1


D
2



)

×
100





In the equation above, H is a hardness reduction rate (%) of a target layer, D1 is a hardness reduction rate measured from the target layer at a temperature of 60 degrees Celsius (° C.) with a relative humidity of 93%, and D2 is a hardness reduction rate measured from the target layer at a room temperature with a relative humidity of 30%.

公开(公告)号：US11315998B2

公开(公告)日：2022-04-26

申请号：US16883399

申请日：2020-05-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaebum Han ,  Younggil Park ,  Junghwa Park ,  Nari Ahn ,  Sooim Jeong ,  Kinam Kim ,  Moonsung Kim

IPC: H01L27/14 ,  H01L27/32 ,  H01L27/12 ,  H01L29/786 ,  H01L29/49

Abstract: A display apparatus that includes a substrate, a first thin-film transistor and a second, thin-film transistor disposed on the substrate at different distances from a top surface of the substrate. A display device is electrically connected to the first thin-film transistor. The first thin-film transistor includes a first semiconductor layer in polycrystalline silicon and a first gate electrode that overlaps a channel region of the first semiconductor layer in a direction of a thickness of the substrate. The second thin-film transistor includes a second semiconductor layer including an oxide semiconductor. The first gate electrode has a stacked structure including a first layer and a second layer. The second layer includes titanium and the first layer includes a different material from the second layer.

公开(公告)号：US11233103B2

公开(公告)日：2022-01-25

申请号：US16541467

申请日：2019-08-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kiyoung Yeon ,  Haeyoung Yun ,  Junghyun Cho ,  Younggil Park ,  Dongyoun Yoo ,  Wooyoung Lee ,  Sooim Jeong

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting display apparatus includes a substrate; thin film transistors; a protective layer that includes a plurality of concave-convex units disposed in a pixel area; an organic light-emitting device disposed on the protective layer; and an encapsulation unit that covers the organic light-emitting device. Each of the concave-convex units protrudes from a surface of the protective layer. The organic light-emitting device includes a pixel electrode, an emission layer, and an opposite layer sequentially stacked on the concave-convex unit, and a distance between the pixel electrode and the opposite electrode is determined by 5%≤(a/b)≤18%, wherein ‘a’ is a vertical distance with respect to the surface of the protective layer between the pixel electrode and the opposite electrode and ‘b’ is a minimum distance between the pixel electrode and the opposite electrode.

公开(公告)号：US11825704B2

公开(公告)日：2023-11-21

申请号：US17331606

申请日：2021-05-26

Applicant: Samsung Display Co., Ltd.

Inventor： Moonsung Kim ,  Younggil Park ,  Jaebum Han ,  Sooim Jeong

IPC: H10K59/124 ,  H10K71/00

CPC classification number: H10K59/124 ,  H10K71/00

Abstract: An embodiment of a display apparatus includes a substrate, a buffer layer on the substrate, a thin film transistor including a semiconductor layer disposed on the buffer layer and including a silicon semiconductor, and a gate electrode insulated from the semiconductor layer, and an insulating layer covering the semiconductor layer, in which a concentration of fluorine at an interface between the semiconductor layer and the buffer layer is at least 10% of a concentration of the fluorine at the interface between the semiconductor layer and the insulating layer.

公开(公告)号：US20230217802A1

公开(公告)日：2023-07-06

申请号：US18118492

申请日：2023-03-07

Applicant: Samsung Display Co., Ltd.

Inventor： Jaebum Han ,  Younggil Park ,  Junghwa Park ,  Nari Ahn ,  Sooim Jeong

IPC: H10K77/10 ,  C08G73/10 ,  H10K50/86 ,  H10K50/844 ,  H10K59/40 ,  H10K59/65 ,  H10K59/124 ,  H10K59/126 ,  H10K59/121

CPC classification number: H10K77/111 ,  C08G73/1071 ,  H10K50/86 ,  H10K50/844 ,  H10K59/40 ,  H10K59/65 ,  H10K59/124 ,  H10K59/126 ,  H10K59/1213 ,  H10K59/1216 ,  H01L29/7869

Abstract: A display panel includes the following elements: a substrate including a first base layer, wherein the first base layer includes a transparent polyimide resin; a first pixel circuit and a second pixel circuit over the substrate, spaced from each other with the transmission area between the first pixel circuit and the second pixel circuit, and each including transistors and a storage capacitor; a first display element electrically connected to the first pixel circuit; and a second display element electrically connected to the second pixel circuit.

公开(公告)号：US11569269B2

公开(公告)日：2023-01-31

申请号：US17144696

申请日：2021-01-08

Applicant: Samsung Display Co., Ltd.

Inventor： Jaebum Han ,  Bohwa Kim ,  Younggil Park ,  Junghwa Park ,  Nari Ahn ,  Sooim Jeong

IPC: H01L27/12 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A display apparatus is provided which may include a substrate including a display area and a non-display area adjacent to the display area, a first thin-film transistor disposed on the substrate and including a first semiconductor layer including an oxide semiconductor material, and a second thin-film transistor disposed on the substrate and including a second semiconductor layer including a silicon semiconductor material, wherein a surface roughness of the first semiconductor layer is increased by plasma treatment. A method of manufacturing the display apparatus is also provided.