公开(公告)号：US11428989B2

公开(公告)日：2022-08-30

申请号：US17080627

申请日：2020-10-26

Applicant: Samsung Display Co., Ltd. ,  KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Minki Nam ,  Kyoungwon Park ,  Baekhee Lee ,  Youngmin Kim ,  Haeil Park ,  Jaikyeong Kim ,  Heesuk Kim ,  Wanki Bae ,  Dohchang Lee ,  Byeongguk Jeong

IPC: G02F1/13357 ,  G02F1/1335 ,  H01L27/32 ,  H01L51/00 ,  B82Y20/00

Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.

公开(公告)号：US10852587B2

公开(公告)日：2020-12-01

申请号：US15690050

申请日：2017-08-29

Applicant: SAMSUNG DISPLAY CO., LTD. ,  KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Minki Nam ,  Kyoungwon Park ,  Baekhee Lee ,  Youngmin Kim ,  Haeil Park ,  Jaikyeong Kim ,  Heesuk Kim ,  Wanki Bae ,  Dohchang Lee ,  Byeongguk Jeong

IPC: G02F1/13357 ,  G02F1/1335 ,  H01L27/32 ,  H01L51/00 ,  B82Y20/00

Abstract: A display device includes: a display substrate; a light amount control layer on the display substrate; a first polarizer on the light amount control layer; and a color conversion layer on the first polarizer. The color conversion layer includes a phosphor, the phosphor includes a quantum dot, the quantum dot including: a core; a first shell surrounding the core; and a second shell surrounding the first shell, and the quantum dot has a diameter ranging from about 2 nm to about 32 nm.

公开(公告)号：US10815565B2

公开(公告)日：2020-10-27

申请号：US16198663

申请日：2018-11-21

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jaehyun Park ,  Yumin Sim ,  Jaikyeong Kim

IPC: C23C16/26 ,  C23C16/02 ,  G02F1/01 ,  G02F1/00

Abstract: A method for synthesizing a graphene pattern includes physically adhering a catalyst block including a catalyst material, which is a gamma-alumina thin film, to a portion of a growth substrate to form a flat interface between the catalyst block and the growth substrate; forming a graphene thin film selectively at the flat interface between the catalyst block and the growth substrate in an atmosphere including a carbon source and a growth inhibitor containing oxygen, and applying a force to physically separate the catalyst block from the graphene thin film and the growth substrate, wherein carbon atoms from the carbon source are diffused along the flat interface and the growth inhibitor is substantially blocked by a diffusion barrier formed by the flat interface so that the graphene thin film is selectively formed at the flat interface.