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    LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING SAME AND DISPLAY DEVICE INCLUDING SAME
    31.
    发明申请
    LIGHT EMITTING DEVICE, METHOD OF MANUFACTURING SAME AND DISPLAY DEVICE INCLUDING SAME 审中-公开

    公开(公告)号：US20200044173A1

    公开(公告)日：2020-02-06

    申请号：US16530253

    申请日：2019-08-02

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tae Ho Kim ,  Won Sik Yoon ,  Jeong Hee Lee ,  Eun Joo Jang ,  Oul Cho

    IPC: H01L51/50 ,  H01L51/52 ,  H01L51/56

    Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.

    BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME
    33.
    发明申请
    BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME 审中-公开

    公开(公告)号：US20180180944A1

    公开(公告)日：2018-06-28

    申请号：US15887015

    申请日：2018-02-02

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Eun-joo Jang ,  Hyun-a Kang ,  Oul Cho

    IPC: G02F1/1335 ,  F21V8/00

    Abstract: A backlight unit for a liquid crystal display device including a liquid crystal panel, includes: a light source including a light-emitting diode (“ED”) which generates and emits light; and a light converting layer between the light source and the liquid crystal panel, spaced apart from the light source, and converting the light from the light source into white light and emitting the white light toward the liquid crystal panel. The light converting layer includes: semiconductor nanocrystals, and a barrier material which restricts penetration of moisture or oxygen.

    Quantum dots, and an electronic device including the same
    38.
    发明授权
    Quantum dots, and an electronic device including the same 有权

    公开(公告)号：US11512254B2

    公开(公告)日：2022-11-29

    申请号：US17036122

    申请日：2020-09-29

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tae Hyung Kim ,  Yuho Won ,  Eun Joo Jang ,  Heejae Chung ,  Oul Cho

    IPC: H01L21/08 ,  C09K11/88 ,  C09K11/08 ,  H01L51/50 ,  B82Y40/00 ,  B82Y20/00

    Abstract: A quantum dot including a core including a first semiconductor nanocrystal including a Group III-V compound, and a shell disposed on the core and including a semiconductor nanocrystal including a Group II-VI compound, wherein the quantum dots do not include cadmium, the shell includes a first layer disposed directly on the core and including a second semiconductor nanocrystal including zinc and selenium, a second layer, the second layer being an outermost layer of the shell and including a third semiconductor nanocrystal including zinc and sulfur, and a third layer disposed between the first layer and the second layer and including a fourth semiconductor nanocrystal including zinc, selenium, and optionally sulfur, and a difference between a peak emission wavelength of a colloidal solution of the quantum dot and a peak emission wavelength of a film prepared from the colloidal solution is less than or equal to about 5 nanometers (nm).

    Light emitting device, method of manufacturing same and display device including same
    39.
    发明授权
    Light emitting device, method of manufacturing same and display device including same 有权

    公开(公告)号：US11450826B2

    公开(公告)日：2022-09-20

    申请号：US17083832

    申请日：2020-10-29

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tae Ho Kim ,  Won Sik Yoon ,  Jeong Hee Lee ,  Eun Joo Jang ,  Oul Cho

    IPC: H01L33/26 ,  H01L51/50 ,  H01L51/52 ,  H01L51/56 ,  H01L27/32

    Abstract: A light emitting device includes: a first electrode and a second electrode facing each other, an emissive layer disposed between the first electrode and the second electrode and including a quantum dot, an electron auxiliary layer disposed between the emissive layer and the second electrode and including a plurality of nanoparticles, and a polymer layer between a portion of the second electrode and the electron auxiliary layer, wherein the nanoparticles include a metal oxide including zinc, wherein the second electrode has a first surface facing a surface of the electron auxiliary layer and a second surface opposite to the first surface, and the polymer layer is disposed on a portion of the second surface and a portion of the surface of the electron auxiliary layer, and wherein the polymer layer includes a polymerization product of a thiol compound and an unsaturated compound having at least two carbon-carbon unsaturated bonds.

    Display device comprising quantum dot emission layer
    40.
    发明授权
    Display device comprising quantum dot emission layer 有权

    公开(公告)号：US11296294B2

    公开(公告)日：2022-04-05

    申请号：US16910369

    申请日：2020-06-24

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyo Sook Jang ,  Tae Hyung Kim ,  Eun Joo Jang ,  Oul Cho

    IPC: H01L51/50

    Abstract: A display device including a light source; and a quantum dot emission layer disposed on the light source, wherein the quantum dot emission layer includes a first emission layer disposed in a red pixel of the display device, and a second emission layer disposed in a green pixel of the display device, the light source includes a first portion configured to supply a first incident light to the first emission layer, a second portion configured to supply a second incident light to the second emission layer, and a third portion configured to supply a third light to a blue pixel of the display device, the first emission layer includes red light emitting quantum dots and the second emission layer includes green light emitting quantum dots, and each of the first portion, the second portion, and the third portion comprises a layer comprising blue light emitting quantum dots.

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