公开(公告)号：US20240349545A1

公开(公告)日：2024-10-17

申请号：US18417977

申请日：2024-01-19

Applicant: Samsung Display Co., Ltd.

Inventor： YONGSUB SHIM ,  Youngjae KIM ,  JIN-YUP KIM ,  JONG-HEON PARK ,  YOUNGHYUN YOO ,  JEWON YOO ,  YOONYEOL LEE ,  HYUNG KEON CHO ,  SUNG-HWAN HONG ,  JONGBEOM HONG

IPC: H10K59/124 ,  H10K59/131 ,  H10K59/35

CPC classification number: H10K59/124 ,  H10K59/131 ,  H10K59/35

Abstract: An electronic device including: a base layer; a circuit layer on the base layer, the circuit layer including pixel drive circuits and an insulating layer covering the pixel drive circuits; and a light emitting element layer on the circuit layer, the light emitting element layer including light emitting elements respectively electrically connected to the pixel drive circuits. The light emitting elements include first through third light emitting elements respectively including first through third pixel electrodes. The insulating layer has first through third upper surface portion respectively overlapping the first through third pixel electrodes, and degrees of flatness of the first, second, and third upper surface portions differ from one another.

公开(公告)号：US20250130139A1

公开(公告)日：2025-04-24

申请号：US18825246

申请日：2024-09-05

Applicant: Samsung Display Co., LTD.

Inventor： SUNG-HWAN HONG ,  BYUNG GOO JUNG ,  YUNHEE KWAK ,  YOUNGJEON KIM ,  HYUNG KEON CHO ,  JAEWON CHOI

IPC: G01M99/00

Abstract: A display panel reliability test device includes a heating plate, a jig disposed on the heating plate and including a water tank and a supporter surrounding the water tank, and a packing cover disposed on the jig and overlapping the water tank in a plan view. A test space defined as a space surrounded by the jig and the packing cover and accommodating a test-purpose display panel therein is maintained at a temperature equal to or greater than about 80 degrees Celsius and equal to or smaller than about 90 degrees Celsius and a relative humidity equal to or greater than about 95% and equal to or smaller than about 100% for about 300 hours or more.