中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

16 records (took 0.016 seconds)

    Semiconductor light emitting device
    1.
    发明授权
    Semiconductor light emitting device 有权

    公开(公告)号：US10177278B2

    公开(公告)日：2019-01-08

    申请号：US15437970

    申请日：2017-02-21

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Ju Hyun Kim ,  Jae Ryung Yoo ,  Gi Bum Kim ,  Ha Yeong Son ,  Sang Seok Lee

    IPC: H01L33/48 ,  H01L33/38 ,  H01L33/44

    Abstract: A semiconductor light emitting device includes: a multilayer semiconductor body having a first conductivity-type semiconductor layer, a second conductivity-type semiconductor layer, an active layer between the first conductivity-type semiconductor layer and the second conductivity-type semiconductor layer, and at least one recess exposing the first conductivity-type semiconductor layer, and an insulating part on an internal sidewall of the at least one recess and an upper surface of the second conductivity-type semiconductor layer. The insulating part has an insulating spacer on the internal sidewall of the recess, and a lateral surface of the insulating spacer has a surface without an angular point from an upper end to a lower end thereof.

    PLASMA DIAGNOSIS DEVICE AND MANUFACTURING METHOD OF PLASMA DIAGNOSIS DEVICE
    2.
    发明申请
    PLASMA DIAGNOSIS DEVICE AND MANUFACTURING METHOD OF PLASMA DIAGNOSIS DEVICE 有权

    公开(公告)号：US20250046588A1

    公开(公告)日：2025-02-06

    申请号：US18657015

    申请日：2024-05-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Youn Sok Choi ,  Ju Hyun Kim ,  Hae Wook Park ,  Young Yoon

    IPC: H01J37/32

    Abstract: A plasma diagnosis device and a method for manufacturing the plasma diagnosis device are provided. The plasma diagnosis device includes: a process chamber in which processes using plasma are performed; a probe structure which includes a protective layer having a first face abutting the plasma, a second face opposite to the first face, and an outer wall connecting the first face and the second face inside the process chamber, and a conductive measuring unit spaced apart from the first face of the protective layer and configured to measure a status of the plasma; and a wafer on a periphery of the probe structure and in contact with the outer wall of the protective layer, in which the wafer and the protective layer include materials different from each other.

    Liquid crystal display with in-cell phase difference layer
    3.
    发明授权
    Liquid crystal display with in-cell phase difference layer 有权

    公开(公告)号：US10303029B2

    公开(公告)日：2019-05-28

    申请号：US15925439

    申请日：2018-03-19

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Beom Seok Kim ,  Sangah Gam ,  Ju Hyun Kim ,  Hyun-Seok Choi

    IPC: G02F1/137 ,  H01L27/12 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1362 ,  G02F1/1368

    Abstract: A liquid crystal display includes a lower substrate and an upper substrate facing each other, a liquid crystal layer disposed between the lower substrate and the upper substrate, a color conversion layer disposed on the liquid crystal layer, a first polarizing layer and a first phase difference layer disposed between the liquid crystal layer and the color conversion layer, and a second polarizing layer and a second phase difference layer disposed between a light source and the lower substrate, wherein the first phase difference layer has a refractive index satisfying Inequality 1 and the second phase difference layer has refractive indexes satisfying Inequality 2. nx1≥ny1≥nz1  [Inequality 1] nx2>nz2>ny2  [Inequality 2] In Inequalities 1 and 2, nx1, nx2, ny1, ny2, nz1, and nz2 are the same in the detailed description.

    Liquid crystal display
    5.
    发明授权
    Liquid crystal display 有权

    公开(公告)号：US10656462B2

    公开(公告)日：2020-05-19

    申请号：US15712708

    申请日：2017-09-22

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Beom Seok Kim ,  Hyunseok Choi ,  Ju Hyun Kim ,  Masashi Tsuji ,  Sangah Gam ,  Joungeun Yoo

    IPC: G02F1/13357 ,  G02F1/13363 ,  G02F1/1335 ,  G02F1/1343

    Abstract: A liquid crystal display includes a light source and a liquid crystal panel, wherein the liquid crystal panel includes a first substrate on the light source, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a color conversion layer between the second substrate and the liquid crystal layer, and including a light emitting element configured to receive a first visible light from the light source and emit a second visible light, a first polarizing layer between the liquid crystal layer and the color conversion layer, and a first phase difference layer between the liquid crystal layer and the first polarizing layer.

    Organic light emitting diode device
    7.
    发明授权
    Organic light emitting diode device 有权

    公开(公告)号：US10180519B2

    公开(公告)日：2019-01-15

    申请号：US15399380

    申请日：2017-01-05

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tsuyoshi Ohyama ,  Ju Hyun Kim ,  Hyunseok Choi

    IPC: H01L29/08 ,  G02B5/30 ,  H01L51/52 ,  H01L27/32 ,  F21V8/00

    Abstract: An organic light emitting diode device includes an organic light emitting display panel and a circular polarizing plate which includes a polarizer and a compensation film including a liquid crystal layer which includes a first surface and a second surface, and liquid crystals that tilt obliquely with respect to an extension direction of the first and second surfaces of the liquid crystal layer where tilt angles of the liquid crystals with respect to the extension direction of the liquid crystal layer become gradually larger from the first surface to the second surface of the liquid crystal layer in a thickness direction of the liquid crystal layer, and a maximum tilt angle of the liquid crystals with respect to the extension direction of the liquid crystal layer is determined based on a thickness direction phase delay generated in a thickness direction of the organic light emitting display panel.

    Quantum dot device and electronic device
    9.
    发明授权
    Quantum dot device and electronic device 有权

    公开(公告)号：US12225747B2

    公开(公告)日：2025-02-11

    申请号：US18512352

    申请日：2023-11-17

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Won Sik Yoon ,  Ju Hyun Kim ,  Ha Il Kwon ,  Kwang Hee Kim ,  Taehyung Kim ,  Su Jin Park ,  Dae Young Chung

    IPC: H01L51/50 ,  H10K50/115 ,  H10K50/15 ,  H10K50/16

    Abstract: A quantum dot device including an anode and a cathode, a light emitting layer disposed between the anode and the cathode, the light emitting layer comprising quantum dots, a first hole auxiliary layer disposed on the anode, the first hole auxiliary layer including poly(3,4-ethylenedioxythiophene)-polystyrenesulfonate or a derivative thereof (PEDOT:PSS), a second hole auxiliary layer disposed on the first hole auxiliary layer and including a hole transport material different from the PEDOT:PSS, wherein the light emitting layer is disposed on the second hole auxiliary layer, wherein the first hole auxiliary layer has a first surface facing the anode and a second surface facing the second hole auxiliary layer, and the second surface includes a surface modification region including a surface modification material having a carboxylic acid group, a phosphonic acid group, a sulfonic acid group, or a salt thereof. An electronic device that includes the quantum dot device.

Patent Agency Ranking