公开(公告)号：US20240355830A1

公开(公告)日：2024-10-24

申请号：US18759397

申请日：2024-06-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JONGHOON CHOI ,  JONGOH SEO ,  JI-HWAN KIM ,  JONGJUN BAEK ,  BYUNG SOO SO

IPC: H01L27/12 ,  H01L29/66

CPC classification number: H01L27/1237 ,  H01L27/1222 ,  H01L27/127 ,  H01L29/6675

Abstract: A display device may include a substrate, a buffer layer on the substrate, a first active pattern on the buffer layer, the first active pattern having a first thickness, a second active pattern on the buffer layer spaced from the first active pattern and having a second thickness smaller than the first thickness, a first gate insulating layer on the first active pattern and the second active pattern, a first gate electrode on the first gate insulating layer, the first gate electrode overlapping the first active pattern, and a second gate electrode on the first gate insulating layer, the second gate electrode overlapping the second active pattern.

公开(公告)号：US20240280794A1

公开(公告)日：2024-08-22

申请号：US18379545

申请日：2023-10-12

Applicant: Samsung Display Co., Ltd.

Inventor： JONGOH SEO ,  JI-HWAN KIM

IPC: G02B19/00 ,  H01S5/00

CPC classification number: G02B19/0028 ,  H01S5/0071 ,  G02B5/10

Abstract: An optical system includes a first lens including a first surface and a second surface opposite to the first surface and having a first focal length, a second lens including a third surface and a fourth surface opposite to the third surface and having a second focal length, and a curved mirror disposed on a traveling path of a first laser beam passing through the first lens and changing the traveling path of the first laser beam to enter the second lens by reflecting the first laser beam.

公开(公告)号：US20240019707A1

公开(公告)日：2024-01-18

申请号：US18347447

申请日：2023-07-05

Applicant: Samsung Display Co., LTD.

Inventor： JONGOH SEO ,  JI-HWAN KIM ,  JONGHOON CHOI

IPC: G02B27/09

CPC classification number: G02B27/0916 ,  G02B27/0977 ,  G02B27/0955

Abstract: An optical system includes: a splitter reflecting a portion of a laser beam to form a reflected laser beam, and transmitting a portion of the laser beam to form a transmitted laser beam; a reflection module reflecting the laser beam from the splitter; an inversion module including a first lens having a first focal length and a first incident surface and a first exit surface opposite to the first incident surface, and a second lens having a second focal length and including a second incident surface and a second exit surface opposite to the second incident surface, in which the laser beam sequentially passes through the first lens and the second lens so that the transmitted laser beam is converted into an inverted laser beam; and a combiner reflecting the laser beam reflected from the reflection module and transmitting the inverted laser beam emitted from the inversion module.

公开(公告)号：US20250040348A1

公开(公告)日：2025-01-30

申请号：US18772783

申请日：2024-07-15

Applicant: Samsung Display Co., Ltd.

Inventor： JONGOH SEO ,  DONGGYU JIN

IPC: H10K59/121 ,  H10K59/12 ,  H10K59/40

Abstract: A method for manufacturing a transistor includes providing a preliminary polysilicon layer including an upper surface on which protrusions are formed, providing a sacrificial layer on the upper surface of the preliminary polysilicon layer, providing argon (Ar) ions in an upper portion of the sacrificial layer to dope the sacrificial layer and the preliminary polysilicon layer, providing an etchant to an upper portion of the doped sacrificial layer, and removing the sacrificial layer, and etching the protrusions to form a polysilicon layer.

公开(公告)号：US20240210720A1

公开(公告)日：2024-06-27

申请号：US18471643

申请日：2023-09-21

Applicant: Samsung Display Co., LTD.

Inventor： JONGOH SEO ,  JI-HWAN KIM

IPC: G02B27/64 ,  G02B19/00

CPC classification number: G02B27/646 ,  G02B19/0047

Abstract: An optical system and a laser device including an optical system are provided. An optical system includes a first lens including a first surface and a second surface opposite to the first surface, the first lens having a first focal length, a second lens including a third surface and a fourth surface opposite to the third surface, the second lens having a second focal length, and a third lens between the first lens and the second lens and spaced apart from the first lens by twice the first focal length.

公开(公告)号：US20230215871A1

公开(公告)日：2023-07-06

申请号：US18184639

申请日：2023-03-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JONGHOON CHOI ,  JONGOH SEO ,  JI-HWAN KIM ,  JONGJUN BAEK ,  BYUNG SOO SO

IPC: H01L29/66

CPC classification number: H01L29/6675

Abstract: A display device may include a substrate, a buffer layer on the substrate, a first active pattern on the buffer layer, the first active pattern having a first thickness, a second active pattern on the buffer layer spaced from the first active pattern and having a second thickness smaller than the first thickness, a first gate insulating layer on the first active pattern and the second active pattern, a first gate electrode on the first gate insulating layer, the first gate electrode overlapping the first active pattern, and a second gate electrode on the first gate insulating layer, the second gate electrode overlapping the second active pattern.