公开(公告)号：US20240027819A1

公开(公告)日：2024-01-25

申请号：US18176287

申请日：2023-02-28

Applicant: Samsung Display Co., LTD.

Inventor： Gil Yeong PARK ,  Da Som GU ,  Ki Jun ROH ,  Sung Guk AN ,  Hee Young LEE ,  So Yeon HAN

IPC: G02F1/1335 ,  G02F1/1333 ,  G06F3/0354 ,  G06F3/041

CPC classification number: G02F1/133512 ,  G02F1/133553 ,  G02F1/133331 ,  G02F1/13338 ,  G06F3/03545 ,  G06F3/04162 ,  G02F1/133504 ,  G02F2203/11 ,  G02F2201/086

Abstract: A display device includes: a display panel; and a stacked structure on the display panel, wherein the stacked structure includes: a first coupling member on the display panel; a reflective layer on the first coupling member; a second coupling member on the reflective layer; a code pattern part on the second coupling member; and a light blocking layer on the code pattern part and including an ultraviolet absorber, and a thickness between a lower surface of the reflective layer and an upper surface of the light blocking layer is 100 μm or less.

公开(公告)号：US20220057337A1

公开(公告)日：2022-02-24

申请号：US17222840

申请日：2021-04-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Gil Yeong PARK ,  Min Kyoung JUNG ,  Hee Young LEE

IPC: G01N21/956 ,  G01N21/21

Abstract: An optical inspection device for an optical performance test of a display device including a lens part configured to transmit external light, a phase film part configured to change a phase difference of the external light and transmit the external light, and an image processor configured to obtain electrical information of the external light, in which a phase difference of the phase film part is at least 7000 nm.