公开(公告)号：US20220285643A1

公开(公告)日：2022-09-08

申请号：US17468146

申请日：2021-09-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wonjae JOO ,  Hyun KOO ,  Ajeong CHOI

IPC: H01L51/50 ,  H01L51/52

Abstract: A light-emitting device includes: a reflective layer; a first electrode provided on the reflective layer; a second electrode facing the first electrode; a first emission layer provided between the first electrode and the second electrode; a second emission layer provided between the first emission layer and the second electrode, and a first partial transmission mirror provided between the first emission layer and the second emission layer so that a first or higher order resonance mode is formed between the reflective layer and the first partial transmission mirror, and a second or higher order resonance mode is formed between the reflective layer and the second electrode.

公开(公告)号：US20220271259A1

公开(公告)日：2022-08-25

申请号：US17399177

申请日：2021-08-11

Applicant: SAMSUNG ELECTRONICS CO, LTD.

Inventor： Sunjin SONG ,  MyongJong KWON ,  Wonjae JOO

IPC: H01L51/52 ,  H01L27/32

Abstract: Provided are a light-emitting device and a display apparatus. The light-emitting device includes: a reflective layer including a plurality of nano-structures that are two-dimensionally arranged in a regular periodic structure; a first electrode disposed on the plurality of nano-structures of the reflective layer; an organic emission layer disposed on the first electrode; and a second electrode disposed on the organic emission layer. An interval between adjacent nano-structures in a central portion of the reflective layer or an interval between adjacent nano-structures in a peripheral portion surrounding the central portion of the reflective layer is equal to or less than 70 nm.

公开(公告)号：US20220246707A1

公开(公告)日：2022-08-04

申请号：US17405728

申请日：2021-08-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ajeong CHOI ,  Hyun KOO ,  Wonjae JOO

IPC: H01L27/32 ,  H01L51/52

Abstract: Provided is an organic light-emitting element including a substrate, a thin film transistor provided on the substrate, a first insulating layer provided on the substrate and the thin film transistor, a reflective layer provided on the first insulating layer, the reflective layer being electrically connected to a first portion of the thin film transistor, a second insulating layer provided on the first insulating layer and the reflective layer, an anode provided on the second insulating layer, the anode being electrically connected to a second portion of the thin film transistor that is different from the first portion of the thin film transistor, an emission layer provided on the anode, and a cathode provided on the emission layer, wherein the reflective layer and the anode overlap each other with the second insulating layer interposed therebetween to form a storage capacitor.

公开(公告)号：US20190064417A1

公开(公告)日：2019-02-28

申请号：US16118033

申请日：2018-08-30

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  The Board of Trustees of the Leland Stanford Junior University

Inventor： Wonjae JOO ,  Mark L. BRONGERSMA ,  Junghyun PARK

IPC: G02B5/32 ,  G02F1/29 ,  G03H1/26 ,  G02B6/293

Abstract: A beam steering method and device are provided. The beam steering method includes outputting, from a hologram recording medium on which a plurality of signal light beams having different steering information are recorded, signal light beam having specific steering information, by making reference light having a specific characteristic incident on the hologram recording medium. The method further includes o obtaining information about an object existing in the external environment based on the output signal light.

公开(公告)号：US20180314130A1

公开(公告)日：2018-11-01

申请号：US15965369

申请日：2018-04-27

Applicant: Samsung Electronics Co., Ltd. ,  The Board of Trustees of the Leland Stanford Junior University

Inventor： Wonjae JOO ,  Mark L. BRONGERSMA ,  Juhyung KANG

IPC: G02F1/29 ,  G02F1/01

Abstract: An optical device and an optical system including the optical device are provided. The optical device may include a reflective layer and a plurality of nano-beams spaced apart from the reflective layer. The plurality of nano-beams may be formed as a metasurface. The nano-beams may have a pattern structure having a plurality of metasurface forms, and the distance of the gaps between the plurality of nano-beams and the reflective layer may be adjustable individually or as a whole. The optical device may be a beam steering device or an optical phase modulator.

公开(公告)号：US20180120595A1

公开(公告)日：2018-05-03

申请号：US15802086

申请日：2017-11-02

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  THE BOARD OF TRUSTEES OF THE LELAND STANFORD JR. UNIVERSITY

Inventor： Wonjae JOO ,  Juhyung KANG ,  Soojin KIM ,  Mark L. BRONGERSMA ,  Shanhui FAN

IPC: G02F1/01 ,  G02F1/19

Abstract: A multi-stack graphene structure includes a graphene stack that includes graphene layers including amorphous graphene and thin film dielectric layers. The graphene layers include amorphous graphene. The graphene layers and the thin dielectric layers are alternately stacked on one another. The multi-stack graphene structure also includes an electric field former configured to apply an electric field to the graphene layers.

公开(公告)号：US20230309335A1

公开(公告)日：2023-09-28

申请号：US18325713

申请日：2023-05-30

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

Inventor： Juncheol BAE ,  Wonseok JANG ,  Wonjae JOO ,  Dongmok WHANG

IPC: H10K50/818 ,  H10K50/852 ,  H10K50/856 ,  H10K71/00

CPC classification number: H10K50/818 ,  H10K50/852 ,  H10K50/856 ,  H10K71/00

Abstract: Provided a light emitting device including a reflective layer including a plurality of nanostructures that are periodically two-dimensionally arranged, 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 a second electrode disposed on the organic emission layer, wherein the planarization layer includes a conductive material that is transparent with respect to light emitted by the organic emission layer, and wherein the planarization layer is disposed on upper surfaces of the plurality of nanostructures such that an air gap is provided between adjacent nanostructures of the plurality of nanostructures.

公开(公告)号：US20230247859A1

公开(公告)日：2023-08-03

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

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：US20230082071A1

公开(公告)日：2023-03-16

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: G02B5/22 ,  H01L27/32

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：US20220223751A1

公开(公告)日：2022-07-14

申请号：US17707076

申请日：2022-03-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeongyub LEE ,  Woong KO ,  Changseung LEE ,  Hongkyu PARK ,  Chanwook BAIK ,  Hongseok LEE ,  Wonjae JOO

IPC: H01L31/0352 ,  H01L27/144 ,  H01L31/02 ,  H01L31/0224 ,  H01L31/0288 ,  H01L31/105 ,  H01L31/18

Abstract: A meta optical device configured to sense incident light includes a plurality of nanorods each having a shape dimension less than a wavelength of the incident light. Each nanorod includes a first conductivity type semiconductor layer, an intrinsic semiconductor layer, and a second conductivity type semiconductor layer. The meta optical device may separate and sense wavelengths of the incident light.