公开(公告)号：US11974455B2

公开(公告)日：2024-04-30

申请号：US17446909

申请日：2021-09-03

Applicant: Samsung Display Co., Ltd.

Inventor： Myung Chul Yeo ,  Yong Tack Kim ,  Eung Seok Park ,  Hee Wook Yoon ,  Yoon Hyeung Cho

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56 ,  H10K50/844 ,  H10K50/85 ,  H10K50/858 ,  H10K59/121 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K71/13 ,  H10K59/12

CPC classification number: H10K50/844 ,  H10K50/8445 ,  H10K50/85 ,  H10K50/858 ,  H10K59/121 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K71/135 ,  H10K59/1201

Abstract: A display device includes a substrate; a light-emitting element layer on the substrate; a first thin-film encapsulation layer that is on the light-emitting element layer, has an upper surface conforming an upper surface of the light-emitting element layer, and includes a recessed portion; a bank layer on the first thin-film encapsulation layer and having an opening overlapping the recessed portion; a wavelength conversion layer in the opening on the first thin-film encapsulation layer and at least partially in the recessed portion; a first inorganic layer on the bank layer and the wavelength conversion layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer.

公开(公告)号：US11925051B2

公开(公告)日：2024-03-05

申请号：US17315009

申请日：2021-05-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yong Tack Kim ,  Eung Seok Park ,  Jae Hyuk Lee ,  Yoon Hyeung Cho ,  Dong Uk Choi

IPC: H10K50/844 ,  H10K50/86 ,  H10K59/124 ,  H10K59/38

CPC classification number: H10K50/844 ,  H10K50/865 ,  H10K59/124 ,  H10K59/38

Abstract: A display device includes: a first base having a display area; light-emitting elements on the first base; and an encapsulation layer over the light-emitting elements. The encapsulation layer includes: a first inorganic layer; an organic layer on the first inorganic layer; and a second inorganic layer on the organic layer. The first inorganic layer includes: a first buffer layer on the light-emitting elements; a first barrier layer on the first buffer layer; a first porous layer on the first barrier layer; a second barrier layer on the first porous layer; and a second buffer layer on the second barrier layer. A refractive index of the first buffer layer, the first barrier layer, and the first porous layer are different from one another, and the refractive index of the first porous layer is smaller than the refractive index of the first buffer layer and the first barrier layer.

公开(公告)号：US11476439B2

公开(公告)日：2022-10-18

申请号：US17156429

申请日：2021-01-22

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hyun Son ,  Yo Han Kim ,  Yoon Hyeung Cho ,  Jeong Su Kim ,  Jong Jin Park ,  Hae Gu Yeo ,  Byoung Duk Lee

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device is provided. The display device includes: a first base; light-emitting elements on the first base and in the pixels, respectively; a second base facing the first base; and a light-blocking/supporting member between the light-emitting elements and the second base and at a boundary of each of the pixels, wherein the light-blocking/supporting member includes a light-blocking portion and a plurality of supporting portions in the light-blocking portion.

公开(公告)号：US11195884B2

公开(公告)日：2021-12-07

申请号：US16706559

申请日：2019-12-06

Applicant: Samsung Display Co., Ltd.

Inventor： Yo Han Kim ,  Yong Tack Kim ,  Yoon Hyeung Cho ,  Jong Jin Park ,  Deok Chan Yoon ,  Yun Kyu Lee ,  Dong Uk Choi

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

Abstract: An organic light emitting display is provided. The organic light emitting display includes a first base substrate; a plurality of organic light emitting diodes disposed on the first base substrate; an encapsulation layer disposed on the organic light emitting diodes; and a plurality of first color conversion filters disposed on the encapsulation layer. The encapsulation layer includes: a first sub-inorganic layer disposed on the organic light emitting diodes; a second sub-inorganic layer disposed on the first sub-inorganic layer and having a refractive index different from that of the first sub-inorganic layer; an organic layer disposed on the second sub-inorganic layer; and a third sub-inorganic layer disposed on the organic layer.

公开(公告)号：US10170723B2

公开(公告)日：2019-01-01

申请号：US15208421

申请日：2016-07-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Kyu Seo ,  Dong Chan Kim ,  Won Jong Kim ,  Eung Do Kim ,  Jong Hyuk Lee ,  Da Hea Im ,  Sang Hoon Yim ,  Yoon Hyeung Cho ,  Chang Woong Chu ,  Won Suk Han

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

Abstract: An organic light emitting element according to an exemplary embodiment of the present disclosure includes a first electrode, a second electrode, an emission layer between the first electrode and the second electrode, an electron injection layer between the second electrode and the emission layer, and a barrier layer between the electron injection layer and the second electrode, wherein a work function of the barrier layer is larger than a work function of the second electrode.

公开(公告)号：US10158095B2

公开(公告)日：2018-12-18

申请号：US15806665

申请日：2017-11-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan Kim ,  Won Jong Kim ,  Ji Young Moon ,  Dong Kyu Seo ,  Myung Chul Yeo ,  Ji Hye Lee ,  Yoon Hyeung Cho

IPC: H01L33/00 ,  H01L51/50 ,  H01L27/32 ,  H01L51/52

Abstract: A light emitting diode includes a first electrode overlapping a second electrode, an emission layer between the first and second electrodes. a first hole injection layer and a second hole injection layer between the first electrode and the emission layer, and a first hole transporting layer between the first hole injection layer and the second hole injection layer. Each of the first and second hole injection layers includes an inorganic dipole material. At least one of the first hole injection layer or the second hole injection layer including an organic material.

公开(公告)号：US10084149B2

公开(公告)日：2018-09-25

申请号：US15623271

申请日：2017-06-14

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Chan Kim ,  Dong Kyu Seo ,  Won Suk Han ,  Yoon Hyeung Cho

IPC: H01L29/08 ,  H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5092 ,  H01L51/5072 ,  H01L51/5221

Abstract: An exemplary embodiment of the present disclosure provides a light emitting diode including: a first electrode; a second electrode configured to overlap the first electrode; an emission layer between the first electrode and the second electrode; and an electron-injection layer between the emission layer and the first electrode, wherein the electron-injection layer includes a compound XIn, in XIn the subscript n is an integer which is in a range of 1 to 3, and X includes a lanthanide element.

公开(公告)号：US09972744B2

公开(公告)日：2018-05-15

申请号：US15407930

申请日：2017-01-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Chan Kim ,  Dong Kyu Seo ,  Yoon Hyeung Cho ,  Won Suk Han

IPC: H01L33/00 ,  H01L33/06 ,  H01L33/26 ,  H01L33/14 ,  H01L33/18 ,  H01L51/50 ,  H01L27/15 ,  H01L27/28 ,  H01L27/32 ,  H01L33/28

CPC classification number: H01L33/002 ,  H01L27/15 ,  H01L27/156 ,  H01L27/286 ,  H01L27/3244 ,  H01L33/06 ,  H01L33/14 ,  H01L33/18 ,  H01L33/26 ,  H01L33/28 ,  H01L51/5056 ,  H01L51/5072

Abstract: A light emitting element includes a first electrode, a second electrode overlapping the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer includes a quantum well that includes a first layer and a second layer, each having a different band gap. The first layer includes magnesium, and the second layer includes zinc. The first layer and the second layer are amorphous.

公开(公告)号：US09704928B2

公开(公告)日：2017-07-11

申请号：US14875456

申请日：2015-10-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Hoon Yim ,  Dong Chan Kim ,  Won Jong Kim ,  Eung Do Kim ,  Dong Kyu Seo ,  Jong Hyuk Lee ,  Da Hea Im ,  Yoon Hyeung Cho ,  Chang Woong Chu

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

CPC classification number: H01L27/3218 ,  H01L27/3248 ,  H01L51/5004 ,  H01L51/504 ,  H01L51/5221 ,  H01L51/5265 ,  H01L2251/301 ,  H01L2251/558

Abstract: An organic light emitting diode display including a substrate, a thin film transistor on the substrate, a first electrode connected to the thin film transistor, a first layer on the first electrode, an emission layer on the first layer, a second layer on the emission layer, and a second electrode on the second layer.

公开(公告)号：US20170125497A1

公开(公告)日：2017-05-04

申请号：US15177165

申请日：2016-06-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eung Do Kim ,  Dong Chan Kim ,  Won Jong Kim ,  Dong Kyu Seo ,  Ji Hye Lee ,  Da Hea Im ,  Sang Hoon Yim ,  Yoon Hyeung Cho ,  Won Suk Han

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

CPC classification number: H01L27/3248 ,  H01L51/5218 ,  H01L51/5221 ,  H01L51/5234 ,  H01L51/5253 ,  H01L51/5262 ,  H01L51/5265 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/301

Abstract: An organic light emitting diode display, according to an exemplary embodiment of the present invention, includes: a substrate; a thin film transistor on the substrate; an organic light emitting diode connected to the thin film transistor; and a capping layer on the organic light emitting diode. The capping layer includes metal hydride.