公开(公告)号：US20220336551A1

公开(公告)日：2022-10-20

申请号：US17538053

申请日：2021-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： SOO-YOUNG JUNG ,  SUNGJUN KIM ,  CHUNGHYUK LEE ,  SUNG JAE JUNG

IPC: H01L27/32 ,  H01L51/52

Abstract: A display device includes a substrate; a first electrode disposed on the substrate; and a pixel defining layer disposed on the substrate and which exposes the first electrode and includes a first region having a first height and a second region connected to the first region and having a second height higher than the first height.

公开(公告)号：US20230157083A1

公开(公告)日：2023-05-18

申请号：US17873942

申请日：2022-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： SOO-YOUNG JUNG ,  SUNG JAE JUNG

IPC: H01L27/32 ,  H01L51/56

CPC classification number: H01L27/3246 ,  H01L51/56 ,  H01L2227/323

Abstract: A display device includes: a substrate; an insulation layer that is positioned on the substrate and includes a plurality of openings; a plurality of emission layers that are positioned in the openings; and a plurality of spacers that are positioned on the insulation layer, wherein an area where the emission layers are positioned defines light emitting regions on a plane, at least one of the spacers has a shape of a circle, a regular polygon having five or more sides, or a regular polygon with at least one rounded corner and five or more sides, a planar area of at least one of the spacers is larger than a planar area of the smallest light emitting region, and the number of the spacers positioned in the predetermined region is at least 30% of the number of the light emitting regions arranged in the predetermined region.

公开(公告)号：US20220262878A1

公开(公告)日：2022-08-18

申请号：US17530369

申请日：2021-11-18

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNJOO LEE ,  JINGYU KANG ,  YONGHOON KIM ,  YONGGU LEE ,  SUNG JAE JUNG

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52

Abstract: A display device includes a substrate, a plurality of first electrodes disposed on the substrate, a pixel defining layer disposed on the substrate, and defining a plurality of opening areas by exposing a portion of an upper surface of each of the plurality of first electrodes, a spacer disposed on the pixel defining layer and disposed between two adjacent opening areas among the plurality of opening areas, a groove extending into the spacer, a first common layer covering the plurality of first electrodes, the pixel defining layer, and the spacer, a plurality of light emitting layers disposed on the first common layer to overlap each of the plurality of opening areas, and a second electrode covering the plurality of light emitting layers and the first common layer. The groove at least partially overlaps with an imaginary straight line connecting two points located at the shortest distance between the two adjacent opening areas in a plan view.

公开(公告)号：US20220199949A1

公开(公告)日：2022-06-23

申请号：US17446940

申请日：2021-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： SOO-YOUNG JUNG ,  SUNGJUN KIM ,  SUNG JAE JUNG

IPC: H01L51/52 ,  H01L27/32 ,  G06F3/044

Abstract: A display device includes: a display panel including an emission region, and a peripheral region adjacent to the emission region, the emission region including a light emitting element; at least one insulating layer on the display panel; an organic layer on the at least one insulating layer, the organic layer having an opening corresponding to the emission region; and a planarization layer on the organic layer, and filling the opening. The opening has a shape including first vertices and second vertices in a plan view, each of the first vertices has an internal angle of 90° or less, and in the plan view, each of the first vertices is located farther from a center of the opening than a corresponding adjacent second vertex from among the second vertices.