公开(公告)号：US10944069B2

公开(公告)日：2021-03-09

申请号：US16167848

申请日：2018-10-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongkyu Seo ,  Dongchan Kim ,  Jiyoung Moon ,  Yeongrong Park ,  Myungchul Yeo ,  Jihye Lee ,  Hyungseok Jang ,  Wonjong Kim ,  Yoonhyeung Cho

IPC: H01L51/52 ,  H01L51/50 ,  G09G3/3258 ,  H01L27/12

Abstract: An organic electroluminescence device includes a first electrode, a hole transport region on the first electrode, a light emitting layer on the hole transport region, an electron transport region on the light emitting layer, and a second electrode on the electron transport region. The electron transport region includes an electron transport layer directly on the light emitting layer. The electron transport layer includes a first ternary compound including a halogen element.

公开(公告)号：US10886490B2

公开(公告)日：2021-01-05

申请号：US16202295

申请日：2018-11-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Eungdo Kim ,  Dongchan Kim ,  Wonjong Kim ,  Dongkyu Seo ,  Dahea Im ,  Sanghoon Yim ,  Yoonhyeung Cho ,  Changwoong Chu

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

Abstract: Provided is an organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, the organic layer including a low work function metal compound.

公开(公告)号：US10784449B2

公开(公告)日：2020-09-22

申请号：US15485080

申请日：2017-04-11

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/54 ,  C09K11/06 ,  H01L51/00 ,  C09K11/77 ,  C07F5/00

Abstract: A perovskite compound represented by Formula 1, a thin layer including the perovskite compound, and an optoelectronic device including the perovskite compound: [A][B1nB2(1-n)][X]3.  Formula 1 In Formula 1, A may be at least one selected from a monovalent organic cation, monovalent inorganic cation, and combinations thereof; B1 may be a thulium (II) (Tm2+) ion; B2 may be at least one divalent inorganic cation, where B2 is free of (e.g., does not include) Tm2+; n may be a real number that satisfies 0

公开(公告)号：US20200243788A1

公开(公告)日：2020-07-30

申请号：US16852171

申请日：2020-04-17

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: H01L51/50

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：US10559765B2

公开(公告)日：2020-02-11

申请号：US15391194

申请日：2016-12-27

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: H01L51/00 ,  H01L51/50 ,  H01L51/52

Abstract: An organic light-emitting device includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode. An electron transport region is between the second electrode and the emission layer. The electron transport region includes an electron injection layer including a first component including at least one halide of an alkali metal (Group I), a second component including at least one organometallic compound, and a third component including at least one of a lanthanide metal or an alkaline earth metal (Group II).

公开(公告)号：US10529950B2

公开(公告)日：2020-01-07

申请号：US15796199

申请日：2017-10-27

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L51/52 ,  H01L27/32 ,  H01L29/49 ,  H01L51/05 ,  H01L51/50

Abstract: An organic light-emitting display apparatus, including a substrate; a first electrode on the substrate; a second electrode on the first electrode; a first organic emissive layer between the first electrode and the second electrode, the first organic emissive layer to emit a first light; a second organic emissive layer between the first electrode and the second electrode, the second organic emissive layer to emit a second light having a different color from the first light; an auxiliary layer on the second electrode, the auxiliary layer having a refractive index equal to or higher than about 2.2; and a charging layer on the auxiliary layer.

公开(公告)号：US10529940B2

公开(公告)日：2020-01-07

申请号：US15846015

申请日：2017-12-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jaeheung Ha ,  Jongwoo Kim ,  Byoungduk Lee ,  Seungjae Lee ,  Yoonhyeung Cho ,  Youngcheol Joo

IPC: H01L51/50 ,  B32B27/06 ,  C23C14/32 ,  H01L51/52 ,  H01L31/049 ,  C23C14/54 ,  C23C16/32 ,  C23C16/40 ,  H01L27/32

Abstract: A display device includes a organic light emitting device and an encapsulation structure disposed on the organic light emitting device that seals the organic light emitting device. The encapsulation structure includes a first inorganic encapsulation layer disposed on the organic light emitting device, an organic layer disposed on the first inorganic encapsulation layer, and a second inorganic encapsulation layer disposed on the organic layer. The organic layer includes a first organic layer disposed on the first inorganic encapsulation layer and a second organic layer disposed on the first organic layer. An atomic ratio of carbon to silicon in the first organic layer is less than an atomic ratio of carbon to silicon in the second organic layer.

公开(公告)号：US09859526B2

公开(公告)日：2018-01-02

申请号：US14945333

申请日：2015-11-18

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

CPC classification number: H01L51/5256 ,  H01L27/3225 ,  H01L27/3244 ,  H01L51/0097 ,  H01L51/5253 ,  H01L2251/5338 ,  Y02E10/549

Abstract: A flexible display device includes: a flexible substrate; a display unit on the flexible substrate and including a display area capable of displaying an image; and a thin film encapsulating layer encapsulating the display unit and including at least one inorganic encapsulating film and at least one organic encapsulating film, where the organic encapsulating film includes at least one first organic region including a first organic material and at least one second organic region including a second organic material that is different from the first organic material, and the at least one first organic region extends in a first direction, the at least one first organic region and the at least one second organic region are aligned with each other, and a first Young's modulus of the at least one first organic region is different from a second Young's modulus of the least one second organic region.

公开(公告)号：US09806289B2

公开(公告)日：2017-10-31

申请号：US15144848

申请日：2016-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L29/08 ,  H01L51/52 ,  H01L29/49 ,  H01L51/05 ,  H01L27/32 ,  H01L51/50

CPC classification number: H01L51/5253 ,  H01L27/3211 ,  H01L27/3244 ,  H01L29/4908 ,  H01L51/0545 ,  H01L51/504 ,  H01L51/5237 ,  H01L51/5275 ,  H01L51/5281

Abstract: An organic light-emitting display apparatus, including a substrate; a first electrode on the substrate; a second electrode on the first electrode; a first organic emissive layer between the first electrode and the second electrode, the first organic emissive layer to emit a first light; a second organic emissive layer between the first electrode and the second electrode, the second organic emissive layer to emit a second light having a different color from the first light; an auxiliary layer on the second electrode, the auxiliary layer having a refractive index equal to or higher than about 2.2; and a charging layer on the auxiliary layer.

公开(公告)号：US20170294607A1

公开(公告)日：2017-10-12

申请号：US15485080

申请日：2017-04-11

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L51/00 ,  C07C211/63

CPC classification number: H01L51/0089 ,  C07F5/003 ,  C09K11/779 ,  Y02E10/549

Abstract: A perovskite compound represented by Formula 1, a thin layer including the perovskite compound, and an optoelectronic device including the perovskite compound: [A][B1nB2(1-n)][X]3.  Formula 1 In Formula 1, A may be at least one selected from a monovalent organic cation, monovalent inorganic cation, and combinations thereof; B1 may be a thulium (II) (Tm2+) ion; B2 may be at least one divalent inorganic cation, where B2 is free of (e.g., does not include) Tm2+; n may be a real number that satisfies 0