公开(公告)号：US20230292573A1

公开(公告)日：2023-09-14

申请号：US17973800

申请日：2022-10-26

Applicant: Samsung Display Co., LTD.

Inventor： Hyeon Bum LEE ,  Hye Kyung PARK

IPC: H01L27/32 ,  H01L51/52

CPC classification number: H01L27/3234 ,  H01L51/5237 ,  H01L27/3246 ,  H01L51/5284 ,  H01L27/323 ,  H01L2251/5338

Abstract: A light emitting display device includes a display panel including a display area and a photosensor area surrounded by the display area; and an infrared sensor positioned on a rear surface of the photosensor area, wherein the display area includes a pixel definition layer having an opening overlapping an anode; a cathode covering the pixel definition layer; an encapsulation layer positioned on the cathode; and a light blocking layer positioned on the encapsulation layer and having an opening overlapping the opening of the pixel definition layer, wherein the photosensor area overlaps an overlapping portion of the light blocking layer, the pixel definition layer has an additional opening corresponding to the photosensor area such that the pixel definition layer is not formed in the photosensor area, and the photosensor area further includes an additional spacer positioned within the additional opening of the pixel definition layer.

公开(公告)号：US20230354679A1

公开(公告)日：2023-11-02

申请号：US17570183

申请日：2022-01-06

Applicant: Samsung Display Co., Ltd.

Inventor： Hyeon Bum LEE ,  Hye Kyung PARK ,  Chi Wook AN ,  Hyun Duck CHO

IPC: H10K59/80 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/122

CPC classification number: H10K59/8792 ,  G09G3/3233 ,  H10K59/1201 ,  H10K59/122 ,  G09G2300/0842 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2300/0426

Abstract: A light emitting display device and its manufacturing method are presented. The device includes: a substrate; a pixel circuit unit positioned on the substrate; a light emitting diode (LED) electrically connected to the pixel circuit unit; an encapsulation layer covering the pixel circuit unit and the light emitting diode (LED); a light blocking layer disposed on the encapsulation layer and having a first opening, a second opening, and a third opening; a first color filter including a main part in the first opening and an overlapping part connecting adjacent main parts and covering the light blocking layer; a second color filter in the second opening; and a third color filter in the third opening.