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    SEMICONDUCTOR LIGHT EMITTING DEVICE
    3.
    发明申请
    SEMICONDUCTOR LIGHT EMITTING DEVICE 审中-公开

    公开(公告)号：US20180019380A1

    公开(公告)日：2018-01-18

    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: H01L33/38 ,  H01L33/44

    CPC classification number: H01L33/382 ,  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.

    LIQUID CRYSTAL DISPLAY
    5.
    发明申请
    LIQUID CRYSTAL DISPLAY 审中-公开

    公开(公告)号：US20190018281A1

    公开(公告)日：2019-01-17

    申请号：US16032881

    申请日：2018-07-11

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sangah GAM ,  Beom Seok KIM ,  Ju Hyun KIM ,  Hyunseok CHOI

    IPC: G02F1/1335 ,  G02F1/13363 ,  G02F1/1337 ,  G02F1/1368 ,  G02F1/1362

    Abstract: A liquid crystal display includes a lower substrate and an upper substrate facing each other, a liquid crystal layer between the lower substrate and the upper substrate, a color conversion layer on the liquid crystal layer, a first polarizing layer and a first phase difference layer between the liquid crystal layer and the color conversion layer, and a second polarizing layer and a second phase difference layer between a light source and the lower substrate, where the first phase difference layer has refractive indexes satisfying Relationship Equation 1, and the second phase difference layer has refractive indexes satisfying Relationship Equation 2.

    ORGANIC LIGHT EMITTING DIODE DEVICE
    6.
    发明申请
    ORGANIC LIGHT EMITTING DIODE DEVICE 审中-公开

    公开(公告)号：US20170336546A1

    公开(公告)日：2017-11-23

    申请号：US15399380

    申请日：2017-01-05

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tsuyoshi OHYAMA ,  Ju Hyun KIM ,  Hyunseok CHOI

    IPC: G02B5/30 ,  H01L51/52

    CPC classification number: G02B5/3016 ,  G02B6/0068 ,  H01L27/3218 ,  H01L27/3232 ,  H01L51/5265 ,  H01L51/5275 ,  H01L51/5281

    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
    7.
    发明公开
    QUANTUM DOT DEVICE AND ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20240224564A1

    公开(公告)日：2024-07-04

    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: H10K50/115 ,  H10K50/15 ,  H10K50/16

    CPC classification number: H10K50/115 ,  H10K50/156 ,  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.

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