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：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：US20240414978A1

公开(公告)日：2024-12-12

申请号：US18417894

申请日：2024-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： Junghwa Park ,  Changho Lee ,  Mihyang Sheen ,  Nari Ahn ,  Jaehan Lee

IPC: H10K59/80 ,  H10K59/12

Abstract: A display device includes a substrate, a pixel circuit layer above the substrate, and including at least one thin film transistor, and a pixel electrode above the pixel circuit layer, and electrically connected to the thin film transistor, wherein the pixel electrode includes a reflective layer, a conductive layer above the reflective layer, and an oxide layer above the conductive layer, and wherein a ratio of a thickness of the conductive layer and a thickness of the oxide layer is about 1.51 to about 2.331.

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：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.

公开(公告)号：US12108653B2

公开(公告)日：2024-10-01

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: H10K50/84 ,  C08G73/10 ,  H10K50/844 ,  H10K50/86 ,  H10K59/12 ,  H10K59/121 ,  H10K59/124 ,  H10K59/126 ,  H10K59/40 ,  H10K59/65 ,  H10K77/10 ,  G02F1/1333 ,  H01L27/12 ,  H01L27/146 ,  H01L29/786 ,  H10K59/122 ,  H10K102/00

CPC classification number: H10K77/111 ,  C08G73/1071 ,  H10K50/844 ,  H10K50/86 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/124 ,  H10K59/126 ,  H10K59/40 ,  H10K59/65 ,  G02F1/133331 ,  H01L27/1225 ,  H01L27/1255 ,  H01L27/14678 ,  H01L29/78633 ,  H01L29/7869 ,  H10K59/122 ,  H10K2102/00 ,  H10K2102/311

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：US11997887B2

公开(公告)日：2024-05-28

申请号：US17804748

申请日：2022-05-31

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/124 ,  H10K71/00 ,  H10K85/40 ,  H10K59/12 ,  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：US11600793B2

公开(公告)日：2023-03-07

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 ,  H01L51/52 ,  H01L27/12 ,  H01L27/14 ,  H01L27/32 ,  H01L29/78 ,  G02F1/13 ,  C08G73/10 ,  H01L29/786 ,  G02F1/1333 ,  H01L27/146

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.