公开(公告)号：US20200373376A1

公开(公告)日：2020-11-26

申请号：US16989253

申请日：2020-08-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wooyong SUNG ,  Junghan SEO ,  Kwanhyuck YOON ,  Sooyoun KIM ,  Jongki KIM ,  Seungho YOON ,  Heeyeon LEE ,  Moonwon CHANG

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H01L51/50 ,  H01L51/56

Abstract: A display device includes a substrate, a pixel circuit unit which is disposed on the substrate and having a first hole, a light blocking layer which is disposed on the pixel circuit unit and having a second hole corresponding to the first hole, a light emitting layer disposed on the pixel circuit unit, and a sealing unit on the light blocking layer. The substrate includes a first layer having a depression corresponding to the first hole, and a second layer which is disposed between the first layer and the pixel circuit unit and having a third hole between the depression and the second hole. The sealing unit includes a cover portion on the light blocking layer, and an extension portion extending from the cover portion. The depression has a width larger than a width of the third hole.

公开(公告)号：US20190131378A1

公开(公告)日：2019-05-02

申请号：US16173554

申请日：2018-10-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wooyong SUNG ,  Junghan SEO ,  Kwanhyuck YOON ,  Sooyoun KIM ,  Jongki KIM ,  Seungho YOON ,  Heeyeon LEE ,  Moonwon CHANG

IPC: H01L27/32 ,  H01L51/50 ,  H01L51/52 ,  G09G3/3266 ,  G09G3/3291 ,  H01L51/56

Abstract: A display device includes a substrate, a pixel circuit unit which is disposed on the substrate and having a first hole, a light blocking layer which is disposed on the pixel circuit unit and having a second hole corresponding to the first hole, a light emitting layer disposed on the pixel circuit unit, and a sealing unit on the light blocking layer. The substrate includes a first layer having a depression corresponding to the first hole, and a second layer which is disposed between the first layer and the pixel circuit unit and having a third hole between the depression and the second hole. The sealing unit includes a cover portion on the light blocking layer, and an extension portion extending from the cover portion. The depression has a width larger than a width of the third hole.