公开(公告)号：US20250063914A1

公开(公告)日：2025-02-20

申请号：US18936879

申请日：2024-11-04

Applicant: Samsung Display Co., LTD.

Inventor： Hajin SONG ,  Jihwan YOON ,  Sangwoo LEE ,  Sangwoo PYO

IPC: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K50/852 ,  H10K59/12 ,  H10K59/131 ,  H10K71/00 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30 ,  H10K101/40

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US20200058901A1

公开(公告)日：2020-02-20

申请号：US16478838

申请日：2018-01-18

Applicant: Samsung Display Co., Ltd.

Inventor： Youngseo CHOI ,  Sangshin KIM ,  Jinhyuk KIM ,  Youngdon PARK ,  Youngbin BAEK ,  Sangwoo LEE

IPC: H01L51/52 ,  B32B7/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  B32B37/02 ,  B32B37/12 ,  B32B37/18 ,  B32B38/10 ,  C09J7/25 ,  C09J7/30 ,  C09J9/02 ,  C09J5/02 ,  C09J11/06 ,  H01L51/00

Abstract: A lower part protection film for an OLED panel is provided. More particularly, a lower part protection film for an OLED panel, having a significantly improved recognition rate of an alignment process, being capable of preventing generation of static electricity through an antistatic treatment, and having excellent adhesion to an OLED panel at the same time, and an organic light-emitting display apparatus including the lower part protection film for an OLED panel are provided.

公开(公告)号：US20170125487A1

公开(公告)日：2017-05-04

申请号：US15141910

申请日：2016-04-29

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hajin SONG ,  Jihwan YOON ,  Sangwoo LEE ,  Sangwoo PYO

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

CPC classification number: H01L27/3211 ,  H01L27/3276 ,  H01L51/5004 ,  H01L51/5016 ,  H01L51/5036 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5265 ,  H01L51/56 ,  H01L2227/323 ,  H01L2251/5376 ,  H01L2251/5384 ,  H01L2251/552

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US20240237456A9

公开(公告)日：2024-07-11

申请号：US18400296

申请日：2023-12-29

Applicant: Samsung Display Co., LTD.

Inventor： Hajin SONG ,  Jihwan YOON ,  Sangwoo LEE ,  Sangwoo PYO

IPC: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/35 ,  H10K50/11 ,  H10K50/125 ,  H10K50/15 ,  H10K50/16 ,  H10K59/131 ,  H10K71/00 ,  H10K50/852

Abstract: An organic light-emitting device and display apparatus, the device including a first electrode; a second electrode facing the first electrode; an emission layer between the first and second electrode; a hole control layer between the first electrode and the emission layer; and an electron control layer between the emission layer and the second electrode, wherein the emission layer includes a plurality of sub-emission layers to emit light having different wavelengths, at least portions of the plurality of sub-emission layers do not overlap one another, the plurality of sub-emission layers include: a first sub-emission layer including a first color light-emitting dopant, and a second sub-emission layer including a second color light-emitting dopant, the first and second sub-emission layers each include a hole-transporting and electron-transporting host which form an exciplex, and a triplet energy of the exciplex is equal to or greater than triplet energies of the first and second color light-emitting dopant.

公开(公告)号：US20210384469A1

公开(公告)日：2021-12-09

申请号：US17408351

申请日：2021-08-20

Applicant: Samsung Display Co., Ltd.

Inventor： Youngseo CHOI ,  Sangshin KIM ,  Jinhyuk KIM ,  Youngdon PARK ,  Youngbin BAEK ,  Sangwoo LEE

IPC: H01L51/52 ,  C09J7/25 ,  C09J7/30 ,  B32B7/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  B32B37/02 ,  B32B37/12 ,  B32B37/18 ,  B32B38/10 ,  C09J5/02 ,  C09J9/02 ,  C09J11/06 ,  H01L51/00

Abstract: A lower part protection film for an OLED panel is provided. More particularly, a lower part protection film for an OLED panel, having a significantly improved recognition rate of an alignment process, being capable of preventing generation of static electricity through an antistatic treatment, and having excellent adhesion to an OLED panel at the same time, and an organic light-emitting display apparatus including the lower part protection film for an OLED panel are provided.