公开(公告)号：US11737299B2

公开(公告)日：2023-08-22

申请号：US17649548

申请日：2022-01-31

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongkyu Seo ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Wonsuk Han

IPC: H01L51/00 ,  H01L51/50 ,  H01L51/56 ,  H10K50/13 ,  H10K50/11 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K71/00 ,  H10K85/30 ,  H10K85/60 ,  H10K101/10 ,  H10K102/00

CPC classification number: H10K50/131 ,  H10K50/11 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K71/00 ,  H10K85/30 ,  H10K85/324 ,  H10K85/341 ,  H10K85/342 ,  H10K85/346 ,  H10K85/348 ,  H10K85/381 ,  H10K85/60 ,  H10K85/615 ,  H10K85/622 ,  H10K85/623 ,  H10K85/624 ,  H10K85/626 ,  H10K85/631 ,  H10K85/633 ,  H10K85/636 ,  H10K85/653 ,  H10K85/654 ,  H10K85/657 ,  H10K85/6572 ,  H10K85/6574 ,  H10K85/6576 ,  H10K2101/10 ,  H10K2102/00

Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.

公开(公告)号：US11653517B2

公开(公告)日：2023-05-16

申请号：US17033772

申请日：2020-09-26

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Jiyoung Moon ,  Heechang Yoon ,  Jihye Lee ,  Hakchoong Lee ,  Haemyeong Lee ,  Yoonhyeung Cho ,  Myungsuk Han ,  Jihwan Yoon ,  Jonghyuk Lee

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

CPC classification number: H01L51/5056 ,  H01L27/322 ,  H01L27/3244 ,  H01L51/5016 ,  H01L51/5072 ,  H01L51/5092 ,  H01L51/5096 ,  H01L51/56

Abstract: A light-emitting device includes a first electrode; a second electrode facing the first electrode; m emission units between the first electrode and the second electrode; and m−1 charge-generating unit(s) between adjacent ones of the emission units, where m is a natural number of 2 or more. The emission units each include an emission layer. At least one of the charge-generating unit(s) includes an n-type charge-generating layer and a p-type charge-generating layer; and the n-type charge-generating layer includes a first material and a second material. The first material includes an organic electron transport compound; and the second material includes at least one selected from an alkali metal, an alkali metal alloy, an alkaline earth metal, an alkaline earth metal alloy, a lanthanide metal, and a lanthanide metal alloy. The light-emitting device may have improved hole and electron balance, a decreased driving voltage, and excellent efficiency and/or lifespan characteristics.

公开(公告)号：US20220285448A1

公开(公告)日：2022-09-08

申请号：US17751064

申请日：2022-05-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonmin Yun ,  Yisu Kim ,  Eungseok Park ,  Byoungduk Lee ,  Yunah Chung ,  Yoonhyeung Cho ,  Yongchan Ju

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.

公开(公告)号：US11329257B2

公开(公告)日：2022-05-10

申请号：US16810107

申请日：2020-03-05

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yongchan Ju ,  Yisu Kim ,  Eungseok Park ,  Wonmin Yun ,  Byoungduk Lee ,  Yoonhyeung Cho

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

Abstract: A display device includes: a substrate; an organic light-emitting diode positioned above the substrate; and a thin film encapsulation layer disposed on the organic light-emitting diode. The thin film encapsulation layer includes: at least one inorganic layer; and at least one organic layer disposed on the at least one inorganic layer. The at least one organic layer has a refractive index of about 1.66 or greater.

公开(公告)号：US11004918B2

公开(公告)日：2021-05-11

申请号：US16296074

申请日：2019-03-07

Applicant: Samsung Display Co., Ltd.

Inventor： Yohan Kim ,  Yisu Kim ,  Wonmin Yun ,  Byoungduk Lee ,  Yoonhyeung Cho

IPC: H01L27/32 ,  C07C39/06 ,  C07C39/38 ,  C07C49/115 ,  C07C49/303 ,  C07C49/323 ,  C07D249/20 ,  C07D311/86 ,  C08L33/10 ,  H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: Provided is an electronic apparatus including: a substrate; a pixel defined layer defining a plurality of pixel areas and a plurality of non-pixel areas on the substrate; a plurality of light-emitting diodes arranged on the plurality of the pixel areas; and a thin film encapsulation portion including an organic film and sealing the pixel defined layer, or the plurality of the light-emitting diodes and the pixel defined layer, wherein the organic film includes a curable material of a composition for forming an organic film, the composition including at least one UV absorber.

公开(公告)号：US10825871B2

公开(公告)日：2020-11-03

申请号：US16520175

申请日：2019-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonmin Yun ,  Yisu Kim ,  Eungseok Park ,  Byoungduk Lee ,  Yunah Chung ,  Yoonhyeung Cho ,  Yongchan Ju

IPC: H01L27/32 ,  H01L51/52

Abstract: An organic light-emitting display apparatus includes a substrate; a pixel electrode over the substrate; a pixel-defining layer including an opening that exposes at least a portion of the pixel electrode; an intermediate layer, which is over the portion of the pixel electrode exposed by the opening and includes an organic emission layer; a counter electrode over the intermediate layer; and an encapsulating structure, which is over the counter electrode and includes at least one inorganic layer and at least one organic layer, and the at least one organic layer includes quantum dots and is in the opening.

公开(公告)号：US20200313119A1

公开(公告)日：2020-10-01

申请号：US16903301

申请日：2020-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seongmin Wang ,  Taekyung Kim ,  Ohjune Kwon ,  Mugyeom Kim ,  Yoonhyeung Cho

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

Abstract: An organic light-emitting display apparatus includes: a substrate; first electrodes arranged on the substrate at separate positions; a second electrode disposed on the first electrodes to face the first electrodes; an intermediate layer disposed between the first electrodes and the second electrode and including an emission layer; a first encapsulating layer disposed on the second electrode and patterned to have a plurality of islands, the first encapsulating layer including an organic material; and a second encapsulating layer covering the islands of the first encapsulating layer and including an inorganic material.

公开(公告)号：US20190288235A1

公开(公告)日：2019-09-19

申请号：US16421187

申请日：2019-05-23

Applicant: Samsung Display Co., Ltd.

Inventor： Minho Oh ,  Jongwoo Kim ,  Jiyoung Moon ,  Seungjae Lee ,  Yoonhyeung Cho ,  Youngcheol Joo ,  Jaeheung Ha

IPC: H01L51/52 ,  H01L27/12 ,  H01L27/32 ,  H01L51/56 ,  G02F1/1362

Abstract: A display device includes a display substrate including at least one step portion, and a thin film encapsulation layer above the display substrate, the thin film encapsulation layer including a buffer layer configured to reduce a height difference due to the at least one step portion and a barrier layer above the buffer layer, the buffer layer including a plurality of sub-layers and interfaces between the plurality of sub-layers, and the interfaces including a curved surface changing from a concave shape to a convex shape toward a portion overlapping the step portion from an outer portion of the step portion.

公开(公告)号：US20190267556A1

公开(公告)日：2019-08-29

申请号：US16286327

申请日：2019-02-26

Applicant: Samsung Display Co., Ltd.

Inventor： Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Myungchul Yeo ,  Hyungseok Jang ,  Yoonhyeung Cho

IPC: H01L51/00 ,  H01L33/50 ,  H01L51/50 ,  H01L51/52 ,  H01L33/04 ,  H01L33/60

Abstract: An electronic apparatus and a lighting apparatus are provided. The apparatus includes a light-emitting device that has an intermediate layer between two electrodes, wherein the intermediate layer includes an emission layer having a perovskite compound represented by one of the following formulas: 1) [A][B1n1B2(1-n1)][X]3, 2) [A]2[B1n2B2(1-n2)][X]4, 3) [A]3[B1n2B2(1-n2)]2[X]7, and 4) [A]4[B1n2B2(1-n2)]3[X]10, wherein, in Formula 1), A is at least one monovalent organic-cation, a monovalent inorganic cation, or any combination thereof, B1 is a Sm2+ ion, B2 is at least one divalent inorganic cation and does not include a Sm2+ ion, n1 is a real number satisfying 0

公开(公告)号：US10236455B2

公开(公告)日：2019-03-19

申请号：US15223514

申请日：2016-07-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Wonsuk Han ,  Dongchan Kim ,  Wonjong Kim ,  Eungdo Kim ,  Dongkyu Seo ,  Jihye Lee ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  H05B33/14 ,  H05B33/20

Abstract: An organic light-emitting device is provided to have high efficiency and long lifespan. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer disposed between the first electrode and the second electrode and including a host and a dopant; an electron blocking layer disposed between the first electrode and the emission layer; and an electron transport region disposed between the emission layer and the second electrode, in which the electron blocking layer includes a metal halide, a metal oxide, or a combination thereof, and the actually measured lowest unoccupied molecular orbital (LUMO) value of the electron blocking layer is greater than the actually measured LUMO value of the host in the emission layer.