公开(公告)号：US20220158123A1

公开(公告)日：2022-05-19

申请号：US17235462

申请日：2021-04-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyun KOO ,  Wonjae Joo ,  Ajeong Choi

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

Abstract: A light-emitting device with light emission efficiency and a display apparatus are provided. The light-emitting device includes a first organic light emission material layer generating light of a first wavelength, a second organic light emission material layer generating light of a second wavelength different from the first wavelength, and a third organic light emission material layer generating light of a third wavelength different from the first and second wavelengths, the first organic light emission material layer may be located at a position comprising a first antinode having a resonance wavelength resonating in a micro cavity, and the second organic light emission material layer and the third organic light emission material layer may be located at a position comprising a second antinode having the resonance wavelength resonating in the micro cavity.

公开(公告)号：US11329174B2

公开(公告)日：2022-05-10

申请号：US16848165

申请日：2020-04-14

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.

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.

公开(公告)号：US11067836B2

公开(公告)日：2021-07-20

申请号：US16557347

申请日：2019-08-30

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 ,  G02F1/17 ,  G02F1/19 ,  G02F1/015

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：US20210151716A1

公开(公告)日：2021-05-20

申请号：US17162588

申请日：2021-01-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jisoo Kyoung ,  Wonjae Joo ,  Youngnam Kwon ,  Byonggwon Song

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

Abstract: A light emitting device and a display apparatus including a phase shifting mirror are provided. The light emitting device includes a first electrode, a light emitting structure, a second electrode, and a phase shifting mirror. The phase shifting mirror has a number of patterns arranged in a periodic manner with an interval between adjacent patterns. Each pattern has a top surface and a side surface between the top surface of the respective pattern and the top surface of the first electrode. A first width at a bottom portion of the respective pattern directly adjacent to the top surface of the first electrode is greater than a second width of the top surface of the respective pattern, and the first width and the second width are less than a wavelength of light generated in the light emitting structure

公开(公告)号：US20210103085A1

公开(公告)日：2021-04-08

申请号：US17101935

申请日：2020-11-23

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 ,  G02B6/293 ,  G02F1/29 ,  G03H1/26 ,  G03H1/28

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：US09991017B2

公开(公告)日：2018-06-05

申请号：US14714902

申请日：2015-05-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Wonjae Joo ,  Unjeong Kim ,  Sungwoo Hwang

IPC: H01B1/04 ,  H01L29/786 ,  H01L29/66 ,  H01L29/16 ,  C23C16/26 ,  C01B32/186

CPC classification number: H01B1/04 ,  C01B32/186 ,  C23C16/26 ,  H01L29/1606 ,  H01L29/66742 ,  H01L29/78684 ,  H01L29/78696

Abstract: A method of forming an amorphous carbon monolayer (ACM) and an electronic device including the ACM are provided. The method includes forming the ACM on a surface of a germanium (Ge) substrate via a chemical vapor deposition (CVD) process. The CVD process includes injecting a reaction gas including carbon-containing gas and hydrogen (H2) gas in to a reaction chamber containing the Ge substrate, wherein a partial pressure of the H2 gas in the reaction chamber may range from 1 Torr to 30 Torr.