公开(公告)号：US20240099114A1

公开(公告)日：2024-03-21

申请号：US18518622

申请日：2023-11-24

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Sik KIM ,  Jae Ik KIM ,  Jung Sun PARK ,  Seung Yong SONG ,  Duck Jung LEE ,  Yeon Hwa LEE ,  Joon Gu LEE ,  Kyu Hwan HWANG

IPC: H10K71/00 ,  H10K50/822 ,  H10K50/844

CPC classification number: H10K71/00 ,  H10K50/822 ,  H10K50/844 ,  H10K59/35

Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.

公开(公告)号：US20180040843A1

公开(公告)日：2018-02-08

申请号：US15613728

申请日：2017-06-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joon Gu LEE ,  Jae Sik KIM ,  Yeon Hwa LEE ,  Se Hoon JEONG

IPC: H01L51/50 ,  H01L51/52 ,  H01L51/00 ,  H01L27/32

CPC classification number: H01L51/506 ,  H01L27/3244 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3276 ,  H01L51/0097 ,  H01L51/5072 ,  H01L51/508 ,  H01L51/5088 ,  H01L51/5237

Abstract: Disclosed is an organic light emitting diode, including a cathode electrode and an anode electrode positioned above the cathode electrode. An emitting layer is positioned between the cathode electrode and the anode electrode. An electron transporting unit is positioned between the cathode electrode and the emitting layer. The electron transporting unit is configured to inject and transport electrons to the emitting layer. A buffer layer is disposed between the cathode electrode and the electron transporting unit. The buffer layer includes an organic layer and a metallic layer disposed on the organic layer.

公开(公告)号：US20150014658A1

公开(公告)日：2015-01-15

申请号：US14282154

申请日：2014-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Young CHOUNG ,  Hyun Sung BANG ,  Joon Gu LEE ,  Jin Baek CHOI ,  Yeon Hwa LEE

IPC: H01L51/52 ,  H01L51/56

CPC classification number: H01L51/5203 ,  H01L51/5228 ,  H01L51/5284

Abstract: Disclosed are an organic light emitting diode display and a method for manufacturing the same. The organic light emitting diode display includes: a driving switching element; a pixel electrode connected with the driving switching element; an auxiliary electrode separated from the pixel electrode and positioned in a same layer as the pixel electrode; an organic common layer positioned on the pixel electrode and the auxiliary electrode and including a contact hole positioned on the auxiliary electrode; and a common electrode positioned on the organic common layer and connected with the auxiliary electrode through the contact hole; and the auxiliary electrode includes a light absorbing layer.

Abstract translation: 公开了一种有机发光二极管显示器及其制造方法。 有机发光二极管显示器包括：驱动开关元件; 与驱动开关元件连接的像素电极; 辅助电极，与像素电极分离并与像素电极位于同一层; 位于像素电极和辅助电极上并包括位于辅助电极上的接触孔的有机共同层; 以及公共电极，位于有机共同层上，并通过接触孔与辅助电极连接; 并且辅助电极包括光吸收层。

公开(公告)号：US20140295587A1

公开(公告)日：2014-10-02

申请号：US14098624

申请日：2013-12-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joon Gu LEE ,  Ji Young CHOUNG ,  Jin Baek CHOI ,  Hyunsung BANG ,  Yeon Hwa LEE ,  Won Jong KIM ,  Young-Woo SONG

IPC: H01L51/56 ,  B41M5/42

CPC classification number: H01L51/56 ,  B41M5/38214 ,  B41M5/42 ,  B41M2205/38 ,  H01L51/0013

Abstract: A donor substrate includes a base substrate; a light reflection layer disposed on the base substrate and overlapped with a portion of the base substrate, a heat blocking pattern disposed on the light reflection layer, overlapped with the light reflection layer, and including a plurality of air holes; a light-to-heat conversion layer disposed on the base substrate; and a transfer layer disposed on the light-to-heat conversion layer.

Abstract translation: 供体衬底包括基底; 光反射层，其设置在所述基底基板上并且与所述基底基板的一部分重叠，所述热阻图案设置在所述光反射层上，与所述光反射层重叠，并且包括多个气孔; 设置在所述基底基板上的光热转换层; 以及设置在光热转换层上的转印层。

公开(公告)号：US20250126976A1

公开(公告)日：2025-04-17

申请号：US18646268

申请日：2024-04-25

Applicant: Samsung Display Co., LTD.

Inventor： Hwi KIM ,  Jung Sun PARK ,  Ji Hee SON ,  Seoul Ki LEE ,  Seung Jun LEE ,  A Reum LEE ,  Yeon Hwa LEE ,  Joon Gu LEE

IPC: H10K59/122 ,  H10K59/35 ,  H10K102/00

Abstract: A display device includes: a first pixel electrode on a substrate; a pixel defining layer on the substrate and exposing the first pixel electrode; a first light emitting layer on the first pixel electrode; a first common electrode on the first light emitting layer; a first bank on the pixel defining layer; a second bank on the first bank and including side surfaces protruding more than side surfaces of the first bank; and a third bank on upper and lower surfaces of the second bank and including a hydrophobic material.

公开(公告)号：US20240276805A1

公开(公告)日：2024-08-15

申请号：US18435431

申请日：2024-02-07

Applicant: Samsung Display Co., LTD.

Inventor： Jae Ik KIM ,  Hye Jin GWARK ,  Hwi KIM ,  Jungsun PARK ,  Yeon Hwa LEE ,  Joon Gu LEE

IPC: H10K59/131

CPC classification number: H10K59/131

Abstract: A display device includes: a substrate including a display area and a non-display area; an external common voltage line disposed in the non-display area; a common voltage line disposed in the display area and connected to the external common voltage line; a plurality of pixels positioned in the display area, each of which includes a first electrode and an emission layer; and a second electrode positioned on the pixels. The common voltage line has a multi-layered structure including a first layer, a second layer, and a third layer, the second layer defines an undercut structure therein, a width of the second layer is narrower than a width of each of the first layer and the third layer, and a length of an undercut of the undercut structure is greater than a thickness of the common voltage line.

公开(公告)号：US20240179955A1

公开(公告)日：2024-05-30

申请号：US18244535

申请日：2023-09-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jae Ik KIM ,  Hye Jin GWARK ,  Hwi KIM ,  Jung Sun PARK ,  Yeon Hwa LEE ,  Joon Gu LEE

IPC: H10K59/122 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17

CPC classification number: H10K59/122 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171

Abstract: A display device includes a pixel electrode, a pixel defining layer disposed on the pixel electrode and forming an opening which exposes a portion of the pixel electrode, an auxiliary electrode disposed on the pixel defining layer and the pixel electrode, an intermediate layer disposed on the pixel defining layer and the auxiliary electrode and a common electrode disposed on the intermediate layer. The pixel defining layer includes a recessed portion recessed into the pixel defining layer, the auxiliary electrode includes a first undercut forming portion disposed on the recessed portion and contacting the portion of the pixel electrode, and the intermediate layer includes a hole injection layer, a light-emitting layer and an electron injection layer stacked sequentially. The hole injection layer includes a first portion disposed on the first undercut forming portion and a second portion separated from the first portion and disposed on the recessed portion.

公开(公告)号：US20240107857A1

公开(公告)日：2024-03-28

申请号：US18337864

申请日：2023-06-20

Applicant: Samsung Display Co., LTD.

Inventor： Joon Gu LEE ,  Hye Jin GWARK ,  Jae Ik KIM ,  Hwi KIM ,  Jung Sun PARK ,  Yeon Hwa LEE

IPC: H10K59/80 ,  G09G3/3233 ,  H10K59/12 ,  H10K59/121 ,  H10K59/122 ,  H10K59/88

CPC classification number: H10K59/80522 ,  G09G3/3233 ,  H10K59/1201 ,  H10K59/1213 ,  H10K59/122 ,  H10K59/88 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0223

Abstract: A display device includes a thin-film transistor, a source/drain electrode and an auxiliary electrode including a first conductive layer and a second conductive layer disposed on the first conductive layer, a via insulating layer having a first opening exposing the auxiliary electrode, a capping layer covering a portion of the auxiliary electrode and a light emitting material layer and a common electrode layer sequentially stacked on the via insulating layer and the capping layer, wherein the source/drain electrode is electrically connected to the thin-film transistor through a contact hole penetrating the interlayer insulating layer, the auxiliary electrode has an undercut, and the capping layer includes a first capping layer covering side surfaces of the first conductive layer of the auxiliary electrode and a second capping layer separated from the first capping layer and disposed on the second conductive layer of the auxiliary electrode.

公开(公告)号：US20230126073A1

公开(公告)日：2023-04-27

申请号：US17930967

申请日：2022-09-09

Applicant: Samsung Display Co., LTD.

Inventor： Joon Gu LEE ,  HYE JIN GWARK ,  ARONG KIM ,  Jae Ik KIM ,  JUNGSUN PARK ,  HEEMIN PARK ,  Yeon Hwa LEE ,  KYU H. HWANG

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/20 ,  H01L33/00

Abstract: A display device and a manufacturing method of a display device are provided. A display device includes: a substrate; a semiconductor layer on the substrate; a source electrode and a drain electrode on the semiconductor layer; an auxiliary electrode on a same layer as the source electrode and the drain electrode; a first electrode electrically connected with the source electrode or the drain electrode; a light emitting element layer on the first electrode; and a second electrode on the light emitting element layer, and the auxiliary electrode includes at least one groove located inside the auxiliary electrode.

公开(公告)号：US20160064698A1

公开(公告)日：2016-03-03

申请号：US14668587

申请日：2015-03-25

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Gu LEE ,  Yeon Hwa LEE ,  Jin Baek CHOI ,  Young Gil KWON

IPC: H01L51/56 ,  C23C14/04

CPC classification number: H01L51/56 ,  B41M5/40 ,  B41M5/42 ,  B41M5/426 ,  B41M5/46 ,  B41M5/48 ,  C23C14/042 ,  H01L51/0013

Abstract: An optical mask includes a light-to-heat conversion layer with an improved temperature profile. The optical masks may comprise a light-transmitting base substrate; a first reflective pattern layer which is formed on the light-transmitting base substrate comprising a first opening portion transmitting light emitted from under the light-transmitting base substrate and a first reflective portion reflecting the light; a second reflective pattern layer which is formed over the first opening portion comprising a second opening portion overlapping a first area of the first opening portion and a second reflective portion overlapping a second area of the first opening portion; and a light-to-heat conversion pattern layer which is formed on the light-transmitting base substrate, being disposed in the first area of the first opening portion, absorbing at least a part of the light, and converting the light absorbed into heat.

Abstract translation: 光学掩模包括具有改进的温度分布的光热转换层。 光掩模可以包括透光基底; 形成在所述透光性基板上的第一反射图案层，具有透射从所述透光性基板下方射出的光的第一开口部和反射所述光的第一反射部; 第二反射图案层，形成在第一开口部分上，包括与第一开口部分的第一区域重叠的第二开口部分和与第一开口部分的第二区域重叠的第二反射部分; 以及形成在所述透光性基底基板上的光热转换图案层，设置在所述第一开口部的所述第一区域中，吸收至少一部分所述光，并将吸收的光转换成热。