公开(公告)号：US20200251541A1

公开(公告)日：2020-08-06

申请号：US16550718

申请日：2019-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yool Guk Kim ,  Jae Hoon Kim

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a substrate, a plurality of pixels on the substrate, a first electrode arranged for each pixel on the substrate, a pixel defining layer on the substrate along a boundary of each pixel and including an opening exposing the first electrode of the pixel, an organic layer on the first electrode in the opening of the pixel defining layer, and a second electrode on the organic layer, the pixel defining layer including a first pixel defining layer and a second pixel defining layer stacked on a surface of the first pixel defining layer, the surface of the first pixel defining layer including an upper surface and a side surface, and a surface roughness of the upper surface of the first pixel defining layer being greater than a surface roughness of the first electrode.

公开(公告)号：US11004920B2

公开(公告)日：2021-05-11

申请号：US16550718

申请日：2019-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yool Guk Kim ,  Jae Hoon Kim

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device includes a substrate, a plurality of pixels on the substrate, a first electrode arranged for each pixel on the substrate, a pixel defining layer on the substrate along a boundary of each pixel and including an opening exposing the first electrode of the pixel, an organic layer on the first electrode in the opening of the pixel defining layer, and a second electrode on the organic layer, the pixel defining layer including a first pixel defining layer and a second pixel defining layer stacked on a surface of the first pixel defining layer, the surface of the first pixel defining layer including an upper surface and a side surface, and a surface roughness of the upper surface of the first pixel defining layer being greater than a surface roughness of the first electrode.

公开(公告)号：US10756309B2

公开(公告)日：2020-08-25

申请号：US16400168

申请日：2019-05-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyang Shik Kong ,  Yoon Ho Kang ,  Dong Hoon Kwak ,  Sung Woong Kim ,  Yool Guk Kim ,  Jae Hoon Kim ,  Ye Seul Na ,  Seok Soon Back ,  Jae Kwon Hwang

IPC: H01L51/54 ,  H01L51/56 ,  H01L27/32 ,  H01L51/50

Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.

公开(公告)号：US09722007B2

公开(公告)日：2017-08-01

申请号：US14815743

申请日：2015-07-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yool Guk Kim ,  Sung Woong Kim

IPC: H01L27/32

CPC classification number: H01L27/326 ,  H01L27/3246 ,  H01L27/3258 ,  H01L2251/558

Abstract: Provided is a light emitting display device.The emitting display device comprises: a substrate including a plurality of pixels which are arranged in a first direction and a second direction that crosses the first direction, the plurality of pixels comprising a first main pixel block and a second main pixel block; a planarization pattern arranged on the substrate; a first electrode on the planarization pattern for each of the plurality of pixels; a pixel defining layer partitioning the respective pixels on the substrate and having an opening for exposing the first electrode; an organic layer on the first electrode; and a second electrode on the organic layer, wherein a thickness of the planarization pattern of the pixel in the second main pixel block is larger than a thickness of the planarization pattern of the pixel in the first main pixel block.

公开(公告)号：US12185588B2

公开(公告)日：2024-12-31

申请号：US17326262

申请日：2021-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Yoon Kim ,  Yool Guk Kim

IPC: H01L27/12 ,  H10K50/84 ,  H10K50/842 ,  H10K59/122 ,  H10K59/88

Abstract: A display device according to an embodiment includes: a substrate including a display area, a dummy area, and a peripheral area; a passivation layer positioned in the display area, the dummy region, and the peripheral area of the substrate; a first adhesive auxiliary layer positioned on the passivation layer and positioned in the dummy region; a dummy pixel defining layer positioned on the first adhesive auxiliary layer and including a hydrophobic material; a second adhesive auxiliary layer positioned on the passivation layer, positioned in the peripheral area, and including a lateral side contacting the dummy pixel defining layer; a common voltage transmitter positioned in the peripheral area; and a common electrode connected to the common voltage transmitter, and positioned on the second adhesive auxiliary layer and the dummy pixel defining layer.

公开(公告)号：US10886494B2

公开(公告)日：2021-01-05

申请号：US15867529

申请日：2018-01-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yool Guk Kim

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

Abstract: A display element includes: a base substrate; a metal layer on the base substrate; a passivation film on the base substrate and covering the metal layer; an electrode on the passivation film and at least partially overlapping the metal layer; and a pixel defining film on the passivation film. The pixel defining film has an opening at least partially exposing the electrode, and portions of the electrode offset from the metal layer are below a portion of the electrode overlapping the metal layer such that trenches are defined in the opening.

公开(公告)号：US10312443B2

公开(公告)日：2019-06-04

申请号：US14884798

申请日：2015-10-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyang Shik Kong ,  Yoon Ho Kang ,  Dong Hoon Kwak ,  Sung Woong Kim ,  Yool Guk Kim ,  Jae Hoon Kim ,  Ye Seul Na ,  Seok Soon Back ,  Jae Kwon Hwang

IPC: H01L51/54 ,  H01L51/00 ,  H01L51/56 ,  H01L27/32 ,  H01L51/50

Abstract: A method of manufacturing a light-emitting display device, the method including forming a first electrode on a substrate, the substrate including a plurality of pixel regions divided by a non-pixel region, in each of the pixel regions; forming a pixel defining layer, the pixel defining layer having a plurality of pixel openings, each of the pixel openings exposing the first electrode, on the substrate; forming a hole injection layer on the first electrode; forming a lyophilic layer on the hole injection layer to completely overlap the hole injection layer; forming a hole transport layer on the lyophilic layer; forming a light-emitting layer on the hole transport layer; and forming a second electrode on the light-emitting layer.

公开(公告)号：US20160248035A1

公开(公告)日：2016-08-25

申请号：US14835087

申请日：2015-08-25

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Kwon Hwang ,  Yool Guk Kim

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

CPC classification number: H01L27/3246 ,  H01L2251/5392

Abstract: A light emitting display device includes a substrate including a plurality of pixels, a first electrode, a pixel defining layer on the substrate and having an opening exposing the first electrode, a light emitting layer extending along a side surface of the pixel defining layer from the first electrode in the opening of the pixel defining layer, and including a first portion located on the first electrode and a second portion located on the side surface of the pixel defining layer, the second portion having a thickness decreasing in a direction toward an upper surface of the pixel defining layer from the side surface of the pixel defining layer, a second electrode, and a leakage current blocking layer having a uniform thickness on the side surface of the pixel defining layer between the first electrode and the light emitting layer or between the light emitting layer and the second electrode.

Abstract translation: 发光显示装置包括：基板，包括多个像素;第一电极;衬底上的像素限定层;具有暴露第一电极的开口;沿着像素限定层的侧表面延伸的发光层， 所述第一电极位于所述像素限定层的开口中，并且包括位于所述第一电极上的第一部分和位于所述像素限定层的侧表面上的第二部分，所述第二部分具有在朝向上表面的方向上减小的厚度 的像素限定层，第二电极和在第一电极和发光层之间的像素限定层的侧表面上具有均匀厚度的漏电流阻挡层， 发光层和第二电极。

公开(公告)号：US20160190213A1

公开(公告)日：2016-06-30

申请号：US14815743

申请日：2015-07-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yool Guk Kim ,  Sung Woong Kim

IPC: H01L27/32

CPC classification number: H01L27/326 ,  H01L27/3246 ,  H01L27/3258 ,  H01L2251/558

Abstract: Provided is a light emitting display device.The emitting display device comprises: a substrate including a plurality of pixels which are arranged in a first direction and a second direction that crosses the first direction, the plurality of pixels comprising a first main pixel block and a second main pixel block; a planarization pattern arranged on the substrate; a first electrode on the planarization pattern for each of the plurality of pixels; a pixel defining layer partitioning the respective pixels on the substrate and having an opening for exposing the first electrode; an organic layer on the first electrode; and a second electrode on the organic layer, wherein a thickness of the planarization pattern of the pixel in the second main pixel block is larger than a thickness of the planarization pattern of the pixel in the first main pixel block.

Abstract translation: 提供了一种发光显示装置。 发光显示装置包括：基板，包括沿与第一方向交叉的第一方向和第二方向布置的多个像素，所述多个像素包括第一主像素块和第二主像素块; 布置在基板上的平坦化图案; 用于所述多个像素中的每一个的所述平坦化图案上的第一电极; 分隔所述基板上的各个像素并具有用于暴露所述第一电极的开口的像素限定层; 第一电极上的有机层; 以及所述有机层上的第二电极，其中所述第二主像素块中的所述像素的平坦化图案的厚度大于所述第一主像素块中的像素的平坦化图案的厚度。