公开(公告)号：US20210217990A1

公开(公告)日：2021-07-15

申请号：US16999726

申请日：2020-08-21

Applicant: Samsung Display Co., Ltd.

Inventor： Yohan KIM ,  Jongjin PARK ,  Won Min YUN ,  Seungju LEE ,  Sumin JUNG ,  Young Cheol JOO ,  Yoon Hyeung CHO

IPC: H01L51/52

Abstract: A display device, comprising: a display panel including a light emitting element and an encapsulation layer covering the light emitting element; a color conversion panel overlapping the display panel, the color conversion panel including a color conversion element; a column spacer between the display panel and the color conversion panel; a filling layer filling a space between the display panel and the color conversion panel and surrounding the column spacer; and a buffer layer between the column spacer and the encapsulation layer of the display panel, the buffer layer including silicon oxycarbide (SiOxCy).

公开(公告)号：US20200274089A1

公开(公告)日：2020-08-27

申请号：US16714552

申请日：2019-12-13

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：US20200161579A1

公开(公告)日：2020-05-21

申请号：US16583136

申请日：2019-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： Yo Han KIM ,  Yoon Hyeung CHO ,  Yong Tack KIM ,  Jong Jin PARK ,  Seung In BAEK ,  Yun Ah CHUNG ,  Young Cheol JOO

IPC: H01L51/50 ,  H01L27/32

Abstract: A display device is provided. The display device includes a plurality of pixels; a first base; an organic light emitting element on the first base and in each of the pixels; a second base facing the first base; and a filling pattern layer between the organic light emitting elements and the second base, the filling pattern layer including a first pattern portion and a second pattern portion alternately arranged along a same direction in a plan view, wherein the first pattern portion is in each of the pixels, the second pattern portion is at a boundary of each of the pixels and contacts the first pattern portion, and a refractive index of the second pattern portion is smaller than that of the first pattern portion.

公开(公告)号：US20230060021A1

公开(公告)日：2023-02-23

申请号：US18047264

申请日：2022-10-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hyun SON ,  Yo Han KIM ,  Yong Tack KIM ,  Byoung Duk LEE ,  Yoon Hyeung CHO

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

Abstract: A display device includes a first substrate; light-emitting elements disposed on the first substrate; an encapsulation film covering the light-emitting elements; a second substrate facing the first substrate; a first outermost film disposed on the second substrate to face the encapsulation film and including AOXNY (where A is a metal or non-metal element and X>Y); and a filler material disposed between the encapsulation film and the first outermost film and placed in direct contact with the first outermost film.

公开(公告)号：US20220059799A1

公开(公告)日：2022-02-24

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: H01L51/52 ,  H01L27/32

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：US20190305254A1

公开(公告)日：2019-10-03

申请号：US16427978

申请日：2019-05-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Jong KIM ,  Dong Chan KIM ,  Eung Do KIM ,  Dong Kyu SEO ,  Da Hea IM ,  Sang Hoon YIM ,  Yoon Hyeung CHO ,  Won Suk HAN

IPC: H01L51/52 ,  H01L51/00

Abstract: An organic light emitting diode display including: a substrate; an organic light emitting diode on the substrate; a capping layer on the organic light emitting diode and including a high refractive layer including an inorganic material having a refractive index that is equal to or greater than about 1.7 and equal to or less than about 6.0; and a thin film encapsulation layer covering the capping layer and the organic light emitting diode, the inorganic material including at least one selected from the group consisting of CuI, thallium iodide (TlI), BaS, Cu2O, CuO, BiI, WO3, TiO2, AgI, CdI2, HgI2, SnI2, PbI2, BiI3, ZnI2, MoO3, Ag2O, CdO, CoO, Pr2O3, SnS, PbS, CdS, CaS, ZnS, ZnTe, PbTe, CdTe, SnSe, PbSe, CdSe, AlAs, GaAs, InAs, GaP, InP, AlP, AlSb, GaSb, and InSb.

公开(公告)号：US20220199948A1

公开(公告)日：2022-06-23

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

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：US20210399260A1

公开(公告)日：2021-12-23

申请号：US17221733

申请日：2021-04-02

Applicant: Samsung Display Co., Ltd.

Inventor： Yong Tack KIM ,  Cheol Eon PARK ,  Hak Joong YONG ,  Yun Kyu LEE ,  Yoon Hyeung CHO

IPC: H01L51/52 ,  H01L27/32

Abstract: A display device includes a base; a light emitting element on the base; a capping layer on the light emitting element; a thin-film encapsulation layer including a first inorganic layer on the capping layer, an organic layer on the first inorganic layer, and a second inorganic layer on the organic layer; and a wavelength conversion pattern on the thin-film encapsulation layer and overlapping the light emitting element, wherein the first inorganic layer includes two sub-inorganic layers having different refractive indices.

公开(公告)号：US20190115557A1

公开(公告)日：2019-04-18

申请号：US16217309

申请日：2018-12-12

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: H01L51/50 ,  H01L51/52 ,  H01L27/32

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：US20170186909A1

公开(公告)日：2017-06-29

申请号：US15380157

申请日：2016-12-15

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Chan KIM ,  Yoon Hyeung CHO ,  Yi Su KIM

IPC: H01L33/06 ,  H01L51/50

CPC classification number: H01L33/06 ,  C09K11/025 ,  C09K11/582 ,  C09K11/602 ,  C09K11/621 ,  C09K11/664 ,  C09K11/71 ,  C09K11/7428 ,  C09K11/7492 ,  C09K11/757 ,  C09K11/88 ,  H01L51/5004 ,  H01L51/502 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5096

Abstract: A quantum dot includes: a core including at least one first positive ion precursor and at least one negative ion precursor; a shell including at least one second positive ion precursor and at least one negative ion precursor and wrapping the core; and a ligand formed on a surface of the shell, wherein the first positive ion precursor is an n-period element and the second positive ion precursor is an (n-1)-period element, where n is an integer of 3 to 6.