公开(公告)号：US20220246877A1

公开(公告)日：2022-08-04

申请号：US17447526

申请日：2021-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu Yoon ,  Kyungsik Kim ,  Soungwook Kim ,  Jaeyong Lee ,  Kunwook Cho ,  Hyeongpil Kim ,  Jaejin Lyu

IPC: H01L51/52 ,  H01L51/50

Abstract: A light-emitting device includes: a first electrode; an interlayer including a hole transport layer, an emission layer; and an electron transport region; and a second electrode stacked in order, wherein the first electrode and the hole transport layer are in direct contact, the first electrode has a multi-layered structure in which a first layer to an mth layer (m is an integer 3) are sequentially stacked, the mth layer consists of a first inorganic material including: a single material selected from GeO2, MoO3, and WOx (2.1≤x≤2.99); a mixed material of two or more selected from In2O3, GeO2, SnO2, MoO3, and WOx; or any combination thereof, the absolute value of the work function of the first inorganic material is greater than or equal to the absolute value of the HOMO energy level of the hole transport layer, and the hole transport layer does not include a p-dopant.

公开(公告)号：US20220020950A1

公开(公告)日：2022-01-20

申请号：US17361873

申请日：2021-06-29

Applicant: Samsung Display Co.,Ltd.

Inventor： Soungwook KIM ,  Seokgyu Yoon ,  Kyungsik Kim ,  Eungdo Kim ,  Jaejin Lyu ,  Kunwook Cho ,  Hyeongu Cho

IPC: H01L51/52

Abstract: A light-emitting device including: first and second electrodes facing each other; an emission layer located therebetween; and a charge transport region located between the emission layer and the first electrode. Light emitted from the emission layer passes to the outside through the second electrode, the first electrode is a reflective electrode, the first electrode includes a transparent layer and a reflective layer, a distance between i) an interface between the transparent layer of the first electrode and the charge transport region and ii) an interface between the emission layer and the charge transport region is a first resonance distance of light emitted from the emission layer, and a distance between a) an interface between the reflective layer of the first electrode and the transparent layer of the first electrode and b) an interface between the emission layer and the charge transport region is a second resonance distance of light emitted from the emission layer.

公开(公告)号：US20200313096A1

公开(公告)日：2020-10-01

申请号：US16824780

申请日：2020-03-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sehun Kim ,  Jaejin Lyu

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

Abstract: Provided are an organic light-emitting device and an electronic apparatus including the organic light-emitting device. The organic light emitting device includes a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode. The organic layer includes an emission layer that has a host and a phosphorescent dopant, the host satisfying Equation 1 and Equation 2, and the host and the phosphorescent dopant satisfying Equation 3, where Equation 1: S1(H)−T1(H)≤0.3 eV; Equation 2: T1(H)≥2.7 eV; and Equation 3: T1(D)≤T1(H). In Equations 1, 2, and 3, T1(H) indicates a triplet energy of the host, S1(H) indicates a singlet energy of the host, and T1(D) indicates a triplet energy of the phosphorescent dopant.

公开(公告)号：US20200241362A1

公开(公告)日：2020-07-30

申请号：US16724697

申请日：2019-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Ho Lim ,  Kaeun Kim ,  Taemin Kim ,  Kawon Pak ,  Duckjong Suh ,  Bongsung Seo ,  Jaejin Lyu ,  Shulgee Lee

IPC: G02F1/1335

Abstract: A backlight unit which includes a light guiding layer having an incident surface on which light is incident and an exit surface from which light is emitted, a light source disposed on the incident surface of the light guiding layer and configured to generate the light, a low refraction layer disposed on the exit surface of the light guiding layer, a color control layer disposed on the low refraction layer, and a protection layer disposed on the color control layer. The protection layer includes a resin composition including a first repeating unit represented by Formula 1:

公开(公告)号：US09580652B2

公开(公告)日：2017-02-28

申请号：US14635078

申请日：2015-03-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Fusayuki Takeshita ,  Jaejin Lyu

IPC: G02F1/1333 ,  C09K19/30 ,  C09K19/04 ,  C09K19/12

CPC classification number: C09K19/3028 ,  C09K19/3003 ,  C09K19/3066 ,  C09K2019/0444 ,  C09K2019/0466 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/301 ,  C09K2019/3012 ,  C09K2019/3016 ,  C09K2019/3019 ,  C09K2019/3021 ,  C09K2019/3037

Abstract: A liquid crystal compound represented by Formula 1:

Abstract translation: 由式1表示的液晶化合物：

公开(公告)号：US12250876B2

公开(公告)日：2025-03-11

申请号：US17160205

申请日：2021-01-27

Applicant: Samsung Display Co., Ltd.

Inventor： Seokgyu Yoon ,  Eungdo Kim ,  Hyosup Shin ,  Jaejin Lyu ,  Jaeyong Lee ,  Hyeongu Cho

IPC: H10K85/60 ,  H10K50/11 ,  H10K50/15 ,  H10K50/165 ,  H10K85/30 ,  H10K101/40

Abstract: A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2: |ELUMO_HIL|>|ELUMO_HTL|+0.1 eV  Equation 1 |EHOMO_HIL|>|EHOMO_HTL|+0.1 eV.  Equation 2

公开(公告)号：US12082487B2

公开(公告)日：2024-09-03

申请号：US17306593

申请日：2021-05-03

Applicant: Samsung Display Co., Ltd.

Inventor： Eunyoung Lee ,  Sunwoo Kang ,  Soobyung Ko ,  Sungbum Kim ,  Jaejin Lyu

IPC: H01L51/00 ,  H10K85/30 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K50/18

CPC classification number: H10K85/346 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171 ,  H10K50/18

Abstract: An organometallic compound is represented by Formula 1 and an organic light-emitting device includes the same. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer located between the first electrode and the second electrode and including an emission layer, wherein the interlayer includes at least one of the organometallic compound represented by Formula 1.

公开(公告)号：US20230165024A1

公开(公告)日：2023-05-25

申请号：US18157335

申请日：2023-01-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jinwon Sun ,  Jaejin Lyu ,  Jungsub Lee ,  Hyun Shin ,  Yoonkyoo Lee

IPC: H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17 ,  H10K59/131 ,  H10K85/40 ,  H10K85/60

CPC classification number: H10K50/11 ,  H10K50/15 ,  H10K50/171 ,  H10K59/131 ,  H10K50/16 ,  H10K85/6572 ,  H10K50/12 ,  H10K85/40 ,  H10K85/654 ,  H10K2101/40

Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer having a first layer, and the first layer includes a first compound, a second compound, and a third compound. The first compound is a hole transporting host compound, the second compound is an electron transporting host compound, and the third compound is a hole transporting host compound or an electron transporting host compound. The first compound and the second compound form a first exciplex, and the first compound and the third compound, or the second compound and the third compound form a second exciplex, where the first exciplex and the second exciplex are different from each other.

公开(公告)号：US11527725B2

公开(公告)日：2022-12-13

申请号：US16859894

申请日：2020-04-27

Applicant: Samsung Display Co., Ltd.

Inventor： Hyojeong Kim ,  Minje Kim ,  Eungdo Kim ,  Hyunyoung Kim ,  Hyosup Shin ,  Seokgyu Yoon ,  Youngki Lee ,  Jungsub Lee ,  Jiyoung Lee ,  Hyejin Jung ,  Kunwook Cho ,  Hyeongu Cho ,  Minsoo Choi ,  Youngeun Choi ,  Jaejin Lyu

IPC: H01L51/50 ,  H01L51/00 ,  C09K11/06

Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset  Condition 1-1 T1(C3)max≥S1(C4)max  Condition 1-2 KRISC(C4)≥103S−1  Condition 2 f(C4)≥0.1.  Condition 3

公开(公告)号：US11526052B2

公开(公告)日：2022-12-13

申请号：US16724697

申请日：2019-12-23

Applicant: Samsung Display Co., Ltd.

Inventor： Ho Lim ,  Kaeun Kim ,  Taemin Kim ,  Kawon Pak ,  Duckjong Suh ,  Bongsung Seo ,  Jaejin Lyu ,  Shulgee Lee

IPC: G02F1/13357 ,  G02F1/1335

Abstract: A backlight unit which includes a light guiding layer having an incident surface on which light is incident and an exit surface from which light is emitted, a light source disposed on the incident surface of the light guiding layer and configured to generate the light, a low refraction layer disposed on the exit surface of the light guiding layer, a color control layer disposed on the low refraction layer, and a protection layer disposed on the color control layer. The protection layer includes a resin composition including a first repeating unit represented by Formula 1: