公开(公告)号：US20220238608A1

公开(公告)日：2022-07-28

申请号：US17454982

申请日：2021-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jaesuk Moon ,  Euigyu Kim ,  Sangmin Yi ,  Sangshin Lee ,  Seungjin Lee ,  Seungju Hong

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/50 ,  H01L51/52

Abstract: A display apparatus includes: a first pixel electrode of a first pixel; a second pixel electrode of a second pixel adjacent to the first pixel, the first and second pixels to emit light of different colors from each other; a first lower emission layer on the first pixel electrode; a second lower emission layer on the second pixel electrode; a first upper emission layer on the first lower emission layer; a second upper emission layer on the second lower emission layer; a charge generation layer between the first lower emission layer and the first upper emission layer, and between the second lower emission layer and the second upper emission layer; and a counter electrode extending across the first upper emission layer and the second upper emission layer. The charge generation layer includes first and second parts, and electrical conductivities of the first and second parts are different from each other.

公开(公告)号：US12232387B2

公开(公告)日：2025-02-18

申请号：US17454982

申请日：2021-11-15

Applicant: Samsung Display Co., Ltd.

Inventor： Jaesuk Moon ,  Euigyu Kim ,  Sangmin Yi ,  Sangshin Lee ,  Seungjin Lee ,  Seungju Hong

IPC: H10K59/35 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/19 ,  H10K59/38 ,  H10K71/00 ,  H10K59/122 ,  H10K102/00

Abstract: A display apparatus includes: a first pixel electrode of a first pixel; a second pixel electrode of a second pixel adjacent to the first pixel, the first and second pixels to emit light of different colors from each other; a first lower emission layer on the first pixel electrode; a second lower emission layer on the second pixel electrode; a first upper emission layer on the first lower emission layer; a second upper emission layer on the second lower emission layer; a charge generation layer between the first lower emission layer and the first upper emission layer, and between the second lower emission layer and the second upper emission layer; and a counter electrode extending across the first upper emission layer and the second upper emission layer. The charge generation layer includes first and second parts, and electrical conductivities of the first and second parts are different from each other.

公开(公告)号：US20240318296A1

公开(公告)日：2024-09-26

申请号：US18508606

申请日：2023-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Junghyun Ahn ,  Jaesuk Moon ,  Seungjin Lee

IPC: C23C14/04 ,  H10K71/16

CPC classification number: C23C14/042 ,  H10K71/166

Abstract: An apparatus for manufacturing a display device includes a chamber, a mask assembly arranged inside the chamber and facing a display substrate, an electrostatic chuck arranged inside the chamber, making the display substrate to be in close contact with the mask assembly, and including a plurality of magnetic members, and a magnetic force unit arranged inside the chamber and comprising a plurality of magnet units that apply magnetic force to the mask assembly. Each of the plurality of magnet units extends in a first direction and are arranged to be spaced apart from each other in a second direction intersecting the first direction, and each of the plurality of magnetic members has a side overlapping at least one of the plurality of magnet units and another side overlapping an opening between two adjacent ones of the plurality of magnet units in a plan view.

公开(公告)号：US20200071813A1

公开(公告)日：2020-03-05

申请号：US16395255

申请日：2019-04-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jongbum Kim ,  Jaesuk Moon ,  Seungjin Lee

IPC: C23C14/04 ,  H01L51/00 ,  H01L51/56 ,  H01L27/32

Abstract: A mask assembly includes a mask frame including a first surface and a second surface facing each other; a support frame arranged on the first surface of the mask frame; a mask sheet arranged on the support frame and including at least one opening; and a deformation prevention frame arranged on the second surface of the mask frame.