公开(公告)号：US12161017B2

公开(公告)日：2024-12-03

申请号：US18132806

申请日：2023-04-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun Koo ,  Sunjin Song ,  Wonjae Joo ,  Sunghyun Han

IPC: H10K50/86 ,  H10K50/17 ,  H10K50/852 ,  H10K50/856 ,  H10K59/35 ,  H10K59/80

Abstract: Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

公开(公告)号：US12161018B2

公开(公告)日：2024-12-03

申请号：US18132835

申请日：2023-04-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun Koo ,  Sunjin Song ,  Wonjae Joo ,  Sunghyun Han

IPC: H10K50/86 ,  H10K50/17 ,  H10K50/852 ,  H10K50/856 ,  H10K59/35 ,  H10K59/80

Abstract: Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

公开(公告)号：US11943952B2

公开(公告)日：2024-03-26

申请号：US17165522

申请日：2021-02-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Sunjin Song ,  Seokho Song ,  Wonjae Joo

IPC: H10K50/818 ,  H10K50/852 ,  H10K59/121

CPC classification number: H10K50/818 ,  H10K50/852 ,  H10K59/121

Abstract: Provided is a light-emitting device including a reflective layer including a plurality of nano-structures two-dimensionally disposed regularly and a low-refractive-index layer disposed adjacent to the plurality of nano-structures, a first electrode disposed on the reflective layer, an organic emission layer disposed on the first electrode, and a second electrode disposed on the organic emission layer, wherein each of the plurality of nano-structures includes a non-metallic material, and the low-refractive-index layer includes a dielectric material having a second refractive index lower than a first refractive index of the non-metallic material.

公开(公告)号：US11940637B2

公开(公告)日：2024-03-26

申请号：US17666084

申请日：2022-02-07

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)

Inventor： Sunjin Song ,  Seokho Song ,  Wonjae Joo ,  Myongjong Kwon

IPC: H10K59/35 ,  G02B5/22 ,  H10K59/121 ,  H10K59/123

CPC classification number: G02B5/223 ,  H10K59/1213 ,  H10K59/123 ,  H10K59/35

Abstract: Provided is a color transformation filter including a plurality of nanostructures included in a subpixel and spaced apart from each other, the plurality of nanostructures having a first refractive index, a low refractive index layer provided adjacent to the plurality of nanostructures, the low refractive index layer having a second refractive index less than the first refractive index, and a color transformation element included in the low refractive index layer.

公开(公告)号：US20230240112A1

公开(公告)日：2023-07-27

申请号：US17888878

申请日：2022-08-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunjin Song ,  Hyun Koo ,  Wonjae Joo ,  Juncheol Bae

IPC: H01L27/32 ,  H01L51/52 ,  H01L51/50

CPC classification number: H01L27/322 ,  H01L51/5271 ,  H01L51/5265 ,  H01L51/5036

Abstract: A display apparatus includes first to third pixels, and the first pixel includes a reflective layer; a first electrode; a light emitting layer; a second electrode; and a first color filter to transmit light of the first wavelength band. The reflective layer and the second electrode define a micro-cavity in which the light of the first wavelength band resonates. The light emitting layer includes a first organic light emitting material layer which emits the light of the first wavelength band, a second organic light emitting material layer which emits the light of the second wavelength band, and a third organic light emitting material layer which emits the light of the third wavelength band.

公开(公告)号：US20210280832A1

公开(公告)日：2021-09-09

申请号：US17112363

申请日：2020-12-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun KOO ,  Sunjin Song ,  Wonjae Joo ,  Sunghyun Han

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

Abstract: Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

公开(公告)号：US12069889B2

公开(公告)日：2024-08-20

申请号：US17154314

申请日：2021-01-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sunghoon Lee ,  Wonjae Joo ,  Sunjin Song ,  Hyun Koo ,  Sunghyun Han

IPC: H10K50/856 ,  H10K50/15 ,  H10K50/16 ,  H10K50/17

CPC classification number: H10K50/856 ,  H10K50/15 ,  H10K50/16 ,  H10K50/171

Abstract: A light emitting device includes a first electrode; a white organic light emission structure provided on the first electrode; a second electrode provided on the white organic light emission structure; and a reflective layer provided on an opposite side of the first electrode from the white organic light emission structure and including a first reflective region, a second reflective region, and a third reflective region having different heights from one another and forming different separation distances from the second electrode. A plurality of recesses may be provided in at least one of the first reflective region, the second reflective region, and the third reflective region on a surface of the reflective layer, and thus the color purity of the light emitting device may be improved.

公开(公告)号：US11963390B2

公开(公告)日：2024-04-16

申请号：US16990516

申请日：2020-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunjin Song ,  Wonjae Joo ,  Hyun Koo ,  Jisoo Kyoung ,  Sunghoon Lee

IPC: H10K50/852 ,  H10K50/125 ,  H10K50/13 ,  H10K50/805 ,  H10K50/856 ,  H10K59/30 ,  H10K102/00

CPC classification number: H10K50/852 ,  H10K50/125 ,  H10K50/131 ,  H10K50/805 ,  H10K50/856 ,  H10K59/30 ,  H10K2102/3026 ,  H10K2102/351

Abstract: A light-emitting device and a display apparatus including the same are provided. The light-emitting device includes a metal reflective layer having a phase modulation surface, a first electrode on the metal reflective layer, an organic emission layer which is provided on the first electrode and emits white light, and a second electrode on the organic emission layer. The phase modulation surface includes a plurality of protrusions and a plurality of recesses.

公开(公告)号：US11653528B2

公开(公告)日：2023-05-16

申请号：US17112363

申请日：2020-12-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun Koo ,  Sunjin Song ,  Wonjae Joo ,  Sunghyun Han

IPC: H10K50/86 ,  H10K50/17 ,  H10K50/852 ,  H10K50/856 ,  H10K59/35 ,  H10K59/80

CPC classification number: H10K50/865 ,  H10K50/171 ,  H10K50/852 ,  H10K50/856 ,  H10K59/351 ,  H10K59/876

Abstract: Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.

公开(公告)号：US20210296616A1

公开(公告)日：2021-09-23

申请号：US16990516

申请日：2020-08-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sunjin Song ,  Wonjae Joo ,  Hyun Koo ,  Jisoo Kyoung ,  Sunghoon Lee

IPC: H01L51/52 ,  H01L51/50 ,  H01L27/32

Abstract: A light-emitting device and a display apparatus including the same are provided. The light-emitting device includes a metal reflective layer having a phase modulation surface, a first electrode on the metal reflective layer, an organic emission layer which is provided on the first electrode and emits white light, and a second electrode on the organic emission layer. The phase modulation surface includes a plurality of protrusions and a plurality of recesses.