公开(公告)号：US20220310956A1

公开(公告)日：2022-09-29

申请号：US17495162

申请日：2021-10-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae-Hee LEE ,  Yeonkyung LEE ,  Tae Hyung KIM ,  Heejae LEE ,  Eun Joo JANG ,  Dae Young CHUNG ,  Soonmin CHA

IPC: H01L51/50

Abstract: A quantum dot quantum dot device includes a first electrode and a second electrode, a light emitting layer disposed between the first electrode and the second electrode and including quantum dots, and a first hole auxiliary layer between the first electrode and the light emitting layer, wherein the first hole auxiliary layer includes a first hole auxiliary material and a second hole auxiliary material having a greater bandgap energy than a bandgap energy of the first hole auxiliary material, a difference between a HOMO energy level of the second hole auxiliary material and a HOMO energy level of the first hole auxiliary material is about 0.1 eV and less than about 0.8 eV, and a difference between a LUMO energy level of the second hole auxiliary material and a LUMO energy level of the first hole auxiliary material is greater than or equal to about 0.3 eV.

公开(公告)号：US20220292635A1

公开(公告)日：2022-09-15

申请号：US17402906

申请日：2021-08-16

Applicant: Samsung Electronics Co., Ltd. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Nahyup KANG ,  Seon Joo KIM ,  DongYoung KIM ,  JinWoo KIM ,  Yeonkyung LEE ,  Byung In YOO ,  Hyong Euk LEE

IPC: G06T3/40 ,  H04N1/60 ,  H04N9/73

Abstract: A method and apparatus with image correction is provided. A processor-implemented method includes generating, using a neural network model provided an input image, an illumination map including illumination values dependent on respective color casts by one or more illuminants individually affecting each pixel of the input image, and generating a white-adjusted image by removing at least a portion of the color casts from the input image using the generated illumination map.

公开(公告)号：US20210098728A1

公开(公告)日：2021-04-01

申请号：US17030543

申请日：2020-09-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Young CHUNG ,  Hwea Yoon KIM ,  Yeonkyung LEE ,  Eun Joo JANG

IPC: H01L51/50

Abstract: An electroluminescent device and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer including a quantum dot; a hole transport layer disposed between the light emitting layer and the first electrode; and an electron transport layer disposed between the light emitting layer and the second electrode, wherein the hole transport layer, the light emitting layer, or a combination thereof includes thermally activated delayed fluorescence material, and the thermally activated delayed fluorescence material is present in an amount of greater than or equal to about 0.01 wt % and less than about 10 weight percent (wt %), based on 100 wt % of the hole transport layer, the light emitting layer, or the combination thereof including the thermally activated delayed fluorescence material.

公开(公告)号：US20200328368A1

公开(公告)日：2020-10-15

申请号：US16913575

申请日：2020-06-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Young CHUNG ,  Hongkyu SEO ,  Yeonkyung LEE ,  Eun Joo JANG

IPC: H01L51/50 ,  H01L51/52

Abstract: An electronic device includes a first electrode and a second electrode facing each other, an emission layer comprising a plurality of quantum dots, wherein the emission layer is disposed between the first electrode and the second electrode; a first charge auxiliary layer disposed between the first electrode and the emission layer; and an optical functional layer disposed on the second electrode on a side opposite the emission layer, wherein the first electrode includes a reflecting electrode, wherein the second electrode is a light-transmitting electrode, wherein a region between the optical functional layer and the first electrode comprises a microcavity structure, and a refractive index of the optical functional layer is greater than or equal to a refractive index of the second electrode.

公开(公告)号：US20250089564A1

公开(公告)日：2025-03-13

申请号：US18818813

申请日：2024-08-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joonghee WON ,  Jong Soo KIM ,  Sungho NAM ,  Sangmo KIM ,  Joonghyuk KIM ,  Jiwhan KIM ,  Yusuke MARUYAMA ,  Yeonkyung LEE ,  Eunkyung LEE ,  Halim LEE ,  Sooghang IHN ,  Juhyung LIM ,  Soonok JEON ,  Daun JEONG ,  Yeon Sook CHUNG ,  Yongsik JUNG

IPC: H10K85/60 ,  C09K11/02 ,  C09K11/06 ,  H10K85/30 ,  H10K101/00

Abstract: A light-emitting device, an electronic apparatus including the light emitting device, and a condensed cyclic compound represented by Formula 1. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer arranged between the first electrode and the second electrode, the interlayer including an emission layer. The emission layer includes an emitter and one or more host(s) of number m1, m1 is an integer of 1 or more, and if m1 is 2 or more, two or more of the hosts are different from each other, the emitter and the host(s) m1 are different from each other, the emitter includes a condensed ring in which two or more monocyclic groups are condensed with each other, at least one of the monocyclic groups is a 6-membered ring including a boron atom, a nitrogen atom, and a carbon atom as ring-forming atoms, and at least one of the protection coefficient of the boron atom in the emitter is 0.7 or more. Formula 1 provided herein.

公开(公告)号：US20210066633A1

公开(公告)日：2021-03-04

申请号：US16943174

申请日：2020-07-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yeonkyung LEE ,  Eun Joo JANG ,  Hongkyu SEO ,  Dae Young CHUNG

IPC: H01L51/50 ,  C09K11/88 ,  C09K11/08 ,  C09K11/02 ,  H01L51/00

Abstract: An electroluminescent device and a display device including the device are disclosed, wherein the electroluminescent device includes a first electrode; a hole transport layer disposed on the first electrode; an emission layer disposed on the hole transport layer, the emission layer including quantum dots;
a self-assembled monomolecular layer disposed on the emission layer, the self-assembled monomolecular layer including self-assembled monomolecules; an electron transport layer disposed on the self-assembled monomolecular layer; and a second electrode disposed on the electron transport layer.

公开(公告)号：US20230121473A1

公开(公告)日：2023-04-20

申请号：US18083782

申请日：2022-12-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dae Young CHUNG ,  Hwea Yoon KIM ,  Yeonkyung LEE ,  Eun Joo JANG

IPC: H10K50/115 ,  H10K50/11 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17

Abstract: An electroluminescent device and a display device including the same. The electroluminescent device includes a first electrode and a second electrode facing each other; a light emitting layer disposed between the first electrode and the second electrode, the light emitting layer including a quantum dot; a hole transport layer disposed between the light emitting layer and the first electrode; and an electron transport layer disposed between the light emitting layer and the second electrode, wherein the hole transport layer, the light emitting layer, or a combination thereof includes thermally activated delayed fluorescence material, and the thermally activated delayed fluorescence material is present in an amount of greater than or equal to about 0.01 wt % and less than about 10 weight percent (wt %), based on 100 wt % of the hole transport layer, the light emitting layer, or the combination thereof including the thermally activated delayed fluorescence material.