公开(公告)号：US20230192729A1

公开(公告)日：2023-06-22

申请号：US17960547

申请日：2022-10-05

Applicant: Samsung Display Co., Ltd.

Inventor： Youngjin PARK ,  Heechoon AHN ,  Hyunah UM ,  Juhui YUN ,  Yeseul LEE ,  Seowon CHO

IPC: C07F7/08 ,  H01L51/00 ,  C07D403/04 ,  C07D471/04 ,  C07D401/14 ,  H01L51/50

CPC classification number: C07F7/0812 ,  H01L51/0094 ,  H01L51/0072 ,  H01L51/0073 ,  H01L51/0071 ,  H01L51/0067 ,  C07F7/0816 ,  C07D403/04 ,  C07D471/04 ,  C07D401/14 ,  H01L51/5012 ,  H01L51/5056

Abstract: The disclosure provides a heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and the heterocyclic compound represented by Formula 1:




The description of Formula 1 is provided in the disclosure.

公开(公告)号：US20230217807A1

公开(公告)日：2023-07-06

申请号：US18090671

申请日：2022-12-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunah UM ,  Hyeongmin KIM ,  Youngjin PARK ,  Heechoon AHN ,  Juhui YUN ,  Hyoyoung LEE

IPC: H10K85/40 ,  H10K85/60 ,  C07F7/08 ,  H10K50/30

CPC classification number: H10K85/40 ,  H10K85/654 ,  H10K85/6572 ,  C07F7/0812 ,  H10K85/6574 ,  H10K85/6576 ,  H10K50/30 ,  C07B2200/05 ,  H10K2102/301

Abstract: Provided are a heterocyclic compound represented by Formula 1, a light-emitting device including the heterocyclic compound, and an electronic apparatus including the light-emitting device:




wherein the detailed description of Formula 1 is the same as described in the specification.

公开(公告)号：US20170261793A1

公开(公告)日：2017-09-14

申请号：US15454150

申请日：2017-03-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ocksoo SON ,  Sungin RO ,  Youngjin PARK ,  Junho SONG ,  Jaehak LEE

IPC: G02F1/13363 ,  G02F1/1368 ,  G02F1/1335

CPC classification number: G02F1/13363 ,  G02F1/133504 ,  G02F1/133528 ,  G02F1/133553 ,  G02F2001/133562 ,  G02F2001/133638 ,  G02F2413/02 ,  G02F2413/06 ,  G02F2413/11 ,  G02F2413/14

Abstract: An optical film includes a negative C-plate, a light diffusion layer on the negative C-plate, and a polarizer on the negative C-plate where the polarizer includes a linear polarizer and a retardation plate on the linear polarizer, the light diffusion layer includes a first light-transmissive base and a plurality of first rods that have a different refractive index from that of the first light-transmissive base and are aligned at a first inclination angle within the first light-transmissive base, and the negative C-plate has an x-axis refractive index Nx, a y-axis refractive index Ny, and a z-axis refractive index Nz, where “Nx>Nz” and “Ny>Nz.”

公开(公告)号：US20170235184A1

公开(公告)日：2017-08-17

申请号：US15373716

申请日：2016-12-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seunghyun PARK ,  Sungin RO ,  Junho SONG ,  Seah KWON ,  Sungjin KIM ,  Youngjin PARK ,  Ocksoo SON ,  Yeogeon YOON ,  Jaehak LEE

IPC: G02F1/1335 ,  G02B5/02

CPC classification number: G02F1/133504 ,  G02B5/0236 ,  G02B5/0257 ,  G02B5/0268 ,  G02B5/0278 ,  G02F1/133553 ,  G02F2001/133562 ,  G02F2203/03

Abstract: An optical film includes: a light-transmissive matrix having a plate shape; a plurality of first rods having a refractive index different from a refractive index of the light-transmissive matrix and disposed at a first inclination angle in the light-transmissive matrix; and a plurality of second rods having a refractive index different from the refractive index of the light-transmissive matrix and disposed at a second inclination angle in the light-transmissive matrix. The first inclination angle is different from the second inclination angle.

公开(公告)号：US20230172064A1

公开(公告)日：2023-06-01

申请号：US17895499

申请日：2022-08-25

Applicant: Samsung Display Co., Ltd.

Inventor： Heechoon AHN ,  Hyeongmin KIM ,  Youngjin PARK ,  Juhui YUN ,  Hyoyoung LEE ,  Yirang IM

IPC: H01L51/00 ,  C07D403/14 ,  C09K11/06 ,  C07F7/08 ,  C07D405/14

CPC classification number: H01L51/0072 ,  C07D403/14 ,  C07D405/14 ,  C07F7/0812 ,  C09K11/06 ,  H01L51/0067 ,  H01L51/0073 ,  H01L51/0094 ,  H01L51/5012

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and at least one heterocyclic compound represented by Formula 1. An electronic apparatus including the light-emitting device is also provided:





Formula 1 is the same as described herein.

公开(公告)号：US20230141905A1

公开(公告)日：2023-05-11

申请号：US17831724

申请日：2022-06-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunah UM ,  Hyeongmin KIM ,  Youngjin PARK ,  Heechoon AHN ,  Juhui YUN ,  Yeseul LEE ,  Hyoyoung LEE

IPC: H01L51/00

CPC classification number: H01L51/0094 ,  H01L51/5056

Abstract: A light-emitting device includes a first electrode, and second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer and a layer. The emission layer includes a first hole transport compound, a first electron transport compound, and a third compound. The layer includes the first electron transport compound, a metal-containing material, and a second electron transport compound, and the layer is between the emission layer and the second electrode.