公开(公告)号：US10802200B2

公开(公告)日：2020-10-13

申请号：US16536260

申请日：2019-08-08

Applicant: Samsung Display Co., Ltd.

Inventor： Chang Ok Kim ,  Chul Min Bae ,  Ji Hye Han ,  Junghwan Yi ,  Shin Il Choi

IPC: F21V8/00 ,  G02B5/28

Abstract: A backlight unit may include a light source, a light guide plate neighboring the light source, a low refractive index layer disposed on the light guide plate, a blocking layer disposed on the low refractive index layer, and a wavelength conversion layer disposed on the blocking layer and including quantum dots. A refractive index of the low refractive index layer may be less than a refractive index of the light guide plate.

公开(公告)号：US11588053B2

公开(公告)日：2023-02-21

申请号：US17149164

申请日：2021-01-14

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye Han ,  Jung Yun Jo ,  Chui Min Bae

IPC: H01L27/00 ,  H01L29/00 ,  H01L29/786 ,  H01L27/12 ,  H01L27/32

Abstract: A display device includes a buffer layer disposed on a substrate and comprising a first buffer film, and a second buffer film, wherein the first buffer film and the second buffer film are sequentially stacked in a thickness direction of the display device; a semiconductor pattern disposed on the buffer layer; a gate insulating layer disposed on the semiconductor pattern; and a gate electrode disposed on the gate insulating layer, wherein the first buffer film and the second buffer film comprise a same material, and a density of the first buffer film is greater than a density of the second buffer film.

公开(公告)号：US11335869B2

公开(公告)日：2022-05-17

申请号：US16906866

申请日：2020-06-19

Applicant: Samsung Display Co., LTD.

Inventor： Yeoung Keol Woo ,  Yung Bin Chung ,  Chul Min Bae ,  Ji Hye Han ,  Eun Jin Kwak

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

Abstract: A method of manufacturing a display device includes providing an inorganic layer on a carrier substrate, providing a first flexible substrate on the inorganic layer, providing a first shielding layer including a metal on the first flexible substrate, providing a first barrier layer on the first shielding layer, and providing a thin film transistor layer on the first barrier layer. The inorganic layer includes at least one material selected from silicon nitride (SiNx), silicon oxide (SiOx), and silicon oxynitride (SiOxNy), and a thickness of the inorganic layer is in a range from about 10 Å to about 6000 Å.

公开(公告)号：US12035612B2

公开(公告)日：2024-07-09

申请号：US17744543

申请日：2022-05-13

Applicant: Samsung Display Co., LTD.

Inventor： Yeoung Keol Woo ,  Yung Bin Chung ,  Chul Min Bae ,  Ji Hye Han ,  Eun Jin Kwak

IPC: H10K77/10 ,  H10K59/12 ,  H10K59/126 ,  H10K71/00 ,  H10K71/80 ,  H10K102/00

CPC classification number: H10K77/111 ,  H10K59/126 ,  H10K71/00 ,  H10K71/80 ,  H10K59/1201 ,  H10K2102/00 ,  H10K2102/311 ,  H10K2102/351

Abstract: A method of manufacturing a display device includes providing an inorganic layer on a carrier substrate, providing a first flexible substrate on the inorganic layer, providing a first shielding layer including a metal on the first flexible substrate, providing a first barrier layer on the first shielding layer, and providing a thin film transistor layer on the first barrier layer. The inorganic layer includes at least one material selected from silicon nitride (SiNx), silicon oxide (SiOx), and silicon oxynitride (SiOxNy), and a thickness of the inorganic layer is in a range from about 10 Å to about 6000 Å.

公开(公告)号：US11943994B2

公开(公告)日：2024-03-26

申请号：US17404004

申请日：2021-08-17

Applicant: Samsung Display Co., Ltd.

Inventor： Chul Min Bae ,  Eun Jin Kwak ,  Jin Suk Lee ,  Jung Yun Jo ,  Ji Hye Han ,  Young In Hwang

IPC: H10K77/10 ,  C23C14/18 ,  C23C16/34 ,  C23C16/40 ,  C23C28/00 ,  G09G3/3233 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K71/80

CPC classification number: H10K77/111 ,  C23C14/18 ,  C23C16/345 ,  C23C16/401 ,  C23C28/30 ,  H10K50/844 ,  H10K59/12 ,  H10K71/00 ,  H10K71/80 ,  G09G3/3233 ,  G09G2300/0443 ,  G09G2300/0809 ,  H10K59/1201

Abstract: A display device and a method of manufacturing the same are provided. The display device, comprises a first base substrate, a first barrier layer disposed on the first base substrate, a second base substrate disposed on the first barrier layer, at least one transistor disposed on the second base substrate, and an organic light emitting diode disposed on the at least one transistor, wherein the first barrier layer includes a silicon oxide, and has an adhesion force of 200 gf/inch or more to the second base substrate.

公开(公告)号：US11346992B2

公开(公告)日：2022-05-31

申请号：US16714763

申请日：2019-12-15

Applicant: Samsung Display Co., LTD.

Inventor： Chang Ok Kim ,  Chui Min Bae ,  Ji Hye Han ,  Tae Wook Kang ,  Yong Seok Kim ,  Shin Il Choi

IPC: F21V8/00

Abstract: A light unit including: a light source; and an optical member that transmits and converts light emitted from the light source, wherein the optical member includes: a light guide; a low refractive index layer that is disposed on the light guide and has a lower refractive index than that of the light guide; a first capping layer that is disposed on the low refractive index layer; and a wavelength conversion layer that is disposed on the first capping layer and includes quantum dots, and the light guide includes a transparent metal oxide.

公开(公告)号：US12048197B2

公开(公告)日：2024-07-23

申请号：US18501590

申请日：2023-11-03

Applicant: Samsung Display Co., LTD.

Inventor： Jung Yun Jo ,  Ji Hye Han

IPC: H10K59/121 ,  H10K71/00

CPC classification number: H10K59/121 ,  H10K71/00

Abstract: A display device includes a substrate including pixels; a buffer layer disposed on the substrate; an etch stopper layer disposed between the substrate and the buffer layer; and at least one penetrating-hole penetrating the substrate, the buffer layer, and the etch stopper layer, wherein the etch stopper layer includes amorphous carbon.

公开(公告)号：US11849606B2

公开(公告)日：2023-12-19

申请号：US17349530

申请日：2021-06-16

Applicant: Samsung Display Co., LTD.

Inventor： Jung Yun Jo ,  Ji Hye Han

IPC: H10K59/121 ,  H10K71/00

CPC classification number: H10K59/121 ,  H10K71/00

Abstract: A display device includes a substrate including pixels; a buffer layer disposed on the substrate; an etch stopper layer disposed between the substrate and the buffer layer; and at least one penetrating-hole penetrating the substrate, the buffer layer, and the etch stopper layer, wherein the etch stopper layer includes amorphous carbon.

公开(公告)号：US12094977B2

公开(公告)日：2024-09-17

申请号：US18109301

申请日：2023-02-14

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye Han ,  Jung Yun Jo ,  Chul Min Bae

IPC: H01L27/12 ,  H01L29/786 ,  H10K59/121

CPC classification number: H01L29/78606 ,  H01L27/1225 ,  H10K59/1213

Abstract: A display device includes a buffer layer disposed on a substrate and comprising a first buffer film, and a second buffer film, wherein the first buffer film and the second buffer film are sequentially stacked in a thickness direction of the display device; a semiconductor pattern disposed on the buffer layer; a gate insulating layer disposed on the semiconductor pattern; and a gate electrode disposed on the gate insulating layer, wherein the first buffer film and the second buffer film comprise a same material, and a density of the first buffer film is greater than a density of the second buffer film.

公开(公告)号：US12082451B2

公开(公告)日：2024-09-03

申请号：US17991396

申请日：2022-11-21

Applicant: Samsung Display Co., LTD.

Inventor： Ji Hye Han ,  Chul Min Bae ,  Chang Ok Kim

IPC: H10K59/124 ,  H01L29/786 ,  H10K59/121 ,  H10K59/122 ,  H10K59/131 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/124 ,  H01L29/786 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/131 ,  H10K71/00 ,  H10K2102/00

Abstract: A display device includes a base substrate including a display area and a non-display area around the display area are defined, a first interlayer insulating layer disposed on the base substrate, a second interlayer insulating layer disposed on the first interlayer insulating layer, a first semiconductor layer disposed on the second interlayer insulating layer and including an oxide, and a first gate insulating layer disposed on the first semiconductor layer, wherein the material of the first interlayer insulating layer and the material of the second interlayer insulating layer are different from each other. Methods of manufacturing a display device are also disclosed.