公开(公告)号：US20220013605A1

公开(公告)日：2022-01-13

申请号：US17486164

申请日：2021-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： In Kyung YOO ,  Donghyun YANG ,  SungBae JU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a base substrate, a thin film transistor layer on the base substrate, an insulation layer on the thin film transistor layer, a first electrode on the insulation layer and in a light emitting area, a pixel defining layer having an opening that has a size and a shape substantially same as that of the first electrode, and on the insulation layer, a light emitting layer on the first electrode, and a second electrode on the light emitting layer.

公开(公告)号：US20200027935A1

公开(公告)日：2020-01-23

申请号：US16420930

申请日：2019-05-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： In Kyung YOO ,  Donghyun YANG ,  SungBae JU

IPC: H01L27/32 ,  H01L51/52

Abstract: A display apparatus includes a base substrate, a thin film transistor layer on the base substrate, an insulation layer on the thin film transistor layer, a first electrode on the insulation layer and in a light emitting area, a pixel defining layer having an opening that has a size and a shape substantially same as that of the first electrode, and on the insulation layer, a light emitting layer on the first electrode, and a second electrode on the light emitting layer.

公开(公告)号：US20210150177A1

公开(公告)日：2021-05-20

申请号：US16999672

申请日：2020-08-21

Applicant: Samsung Display Co., Ltd.

Inventor： SangJin PARK ,  Cha-Dong KIM ,  Heena KIM ,  Inkyung YOO ,  SungBae JU ,  Taehyeok CHOI

IPC: G06K9/00 ,  H04M1/02

Abstract: An optical sensor includes: a sensing unit including a first sensing electrode, a second sensing electrode spaced apart from the first sensing electrode, and a sensing layer between the first sensing electrode and the second sensing electrode, the sensing layer containing amorphous silicon and germanium (Ge) ions impregnated in the amorphous silicon; and an optical pattern unit on the sensing unit and including a light shielding pattern and a plurality of transmission patterns in the light shielding pattern, wherein the sensing layer includes a first region, a second region, and a third region sequentially arranged from a boundary between the second sensing electrode and the sensing layer toward the first electrode, and a concentration of the germanium (Ge) ions in the amorphous silicon is relatively higher in the second region than in the first region and the third region.