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    DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING ELEMENT
    1.
    发明申请
    DISPLAY DEVICE USING SEMICONDUCTOR LIGHT-EMITTING ELEMENT 有权

    公开(公告)号：US20250022990A1

    公开(公告)日：2025-01-16

    申请号：US18715672

    申请日：2022-01-10

    Applicant: LG ELECTRONICS INC.

    Inventor： Seungmi BAEK ,  Gunyoung HONG ,  Younggil YOO ,  Minsung KIM ,  Kyungpil KIM ,  Bokyung KANG

    IPC: H01L33/50 ,  H01L25/075

    Abstract: The present invention is applicable to display device-related technical fields and relates to, for example, a display device using a micro light-emitting diode (LED). The present invention may comprise: a substrate; partition walls which are arranged on the substrate to define a plurality of hexagonal unit pixel areas forming a honeycomb shape; semiconductor light-emitting elements each of which is disposed in each of the unit pixel areas to form each unit pixel; color conversion layers which convert light emitted from the semiconductor light-emitting elements into colors corresponding to the respective unit pixel areas; a porous layer which is disposed on the partition walls and in which a plurality of through-holes are formed; and color filter layers which are disposed on the porous layer.

    COLOR WHEEL
    2.
    发明申请
    COLOR WHEEL 有权

    公开(公告)号：US20230066523A1

    公开(公告)日：2023-03-02

    申请号：US17796466

    申请日：2020-01-31

    Applicant: LG ELECTRONICS INC.

    Inventor： Bokyung KANG ,  Gunyoung HONG ,  Younggil YOO ,  Minsung KIM ,  Kyungpil KIM ,  Seungmi BAEK

    IPC: G02B26/00 ,  H04N9/31 ,  C09K11/62 ,  C09K11/77

    Abstract: A color wheel according to an embodiment of the present invention comprises: a basic fluorescent body having a basic light-emitting wavelength; and at least one modified fluorescent body having at least one light-emitting wavelength different from the basic light-emitting wavelength, wherein the basic fluorescent body comprises Y3Al5O12 and the modified fluorescent body comprises Y3(GaxAl(1-x))5O12:Ce in which gallium is doped on the basic fluorescent body

    YELLOW LIGHT EMITTING PHOSPHOR AND LIGHT EMITTING DEVICE PACKAGE USING THE SAME
    3.
    发明申请
    YELLOW LIGHT EMITTING PHOSPHOR AND LIGHT EMITTING DEVICE PACKAGE USING THE SAME 有权
    黄光发射磷光体和发光装置包装使用它

    公开(公告)号：US20160009990A1

    公开(公告)日：2016-01-14

    申请号：US14737175

    申请日：2015-06-11

    Applicant: LG ELECTRONICS INC.

    Inventor： Younggil YOO ,  Minsung KIM ,  Jeongsoo LEE

    IPC: C09K11/77 ,  C09K11/64 ,  H01L33/50

    CPC classification number: C09K11/7774 ,  C09K11/646 ,  C09K11/7734 ,  H01L33/504 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/48465 ,  H01L2224/49107 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012 ,  H01L2924/00

    Abstract: Disclosed are phosphors and, more particularly, yellow light emitting phosphors and light emitting device packages using the same. The yellow light emitting phosphor includes a first phosphor to emit light having a central wavelength located within a band of 510 nm to 550 nm, a second phosphor adapted to be mixed with the first phosphor to emit light having a central wavelength located within a band of 560 nm to 600 nm, and a third phosphor adapted to be mixed with the first and second phosphors to emit light having a central wavelength located within a band of 610 nm to 630 nm, the third phosphor having a light absorption rate of 50% or less at a wavelength of 550 nm.

    Abstract translation: 公开了荧光体，更具体地，涉及使用其的黄色发光荧光体和发光器件封装。 黄色发光荧光体包括发射具有位于510nm至550nm的波段内的中心波长的光的第一荧光体，适于与第一荧光体混合的第二荧光体，以发射具有位于 560nm至600nm的第三荧光体，以及适于与第一和第二荧光体混合以发射具有位于610nm至630nm的带内的中心波长的光的第三荧光体，第三荧光体的光吸收率为50％，或 在550nm波长处较少。

    DISPLAY DEVICE
    4.
    发明公开
    DISPLAY DEVICE 审中-公开

    公开(公告)号：US20240282892A1

    公开(公告)日：2024-08-22

    申请号：US18570868

    申请日：2021-06-18

    Applicant: LG ELECTRONICS INC.

    Inventor： Younggil YOO ,  Gunyoung HONG ,  Minsung KIM ,  Kyungpil KIM ,  Bokyung KANG ,  Seungmi BAEK

    IPC: H01L33/50 ,  H01L25/16

    CPC classification number: H01L33/507 ,  H01L25/167

    Abstract: The display device includes a light source that generates first light, a conversion layer that outputs a plurality of lights using the first light, and a color filter layer.
    The conversion layer includes first to third conversion layers, and the color filter layer includes first to third color filters. The first conversion layer and the second conversion layer may include the same material.
    The first conversion layer and the first color filter may convert the first dominant wavelength of the first light to output second light having a second frequency. The second dominant wavelength of the second light may be located at the first color vertex of the color reproduction rate standard.

    YELLOW LIGHT EMITTING PHOSPHOR AND LIGHT EMITTING DEVICE PACKAGE USING THE SAME
    6.
    发明申请
    YELLOW LIGHT EMITTING PHOSPHOR AND LIGHT EMITTING DEVICE PACKAGE USING THE SAME 有权
    黄光发射磷光体和发光装置包装使用它

    公开(公告)号：US20150344774A1

    公开(公告)日：2015-12-03

    申请号：US14705620

    申请日：2015-05-06

    Applicant: LG ELECTRONICS INC.

    Inventor： Younggil YOO ,  Dongwon KANG ,  Gunyoung HONG ,  Minsung KIM

    IPC: C09K11/77 ,  C09K11/64 ,  H01L33/50

    CPC classification number: C09K11/7774 ,  C09K11/646 ,  C09K11/7734 ,  H01L33/504 ,  H01L2224/48091 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/48465 ,  H01L2224/49107 ,  H01L2924/181 ,  H01L2924/00014 ,  H01L2924/00012 ,  H01L2924/00

    Abstract: Disclosed are phosphors and, more particularly, yellow light emitting phosphors and light emitting device packages using the same. The yellow light emitting phosphor includes a first phosphor including at least one of Lu3Al5O12:Ce, SrSi2O2N2, and β-type SiAlON and a second phosphor mixed with the first phosphor to form a mixture, the second phosphor including α-type SiAlON(Li-α-SiAlON) containing Li as a metal component, wherein the second phosphor emits light having a central wavelength in a range of 550 nm to 590 nm by being excited by near ultraviolet (UV) or blue light, The mixture of the first phosphor and the second phosphor is excited by the near UV or blue light to emit yellow light.

    Abstract translation: 公开了荧光体，更具体地，涉及使用其的黄色发光荧光体和发光器件封装。 黄色发光荧光体包括：第一荧光体，包括Lu3Al5O12：Ce，SrSi2O2N2和＆bgr型-SiAlON中的至少一种，和与第一荧光体混合形成混合物的第二荧光体，第二荧光体包括α型SiAlON（Li -α-SiAlON），其中所述第二荧光体通过被近紫外（UV）或蓝光激发而发射具有550nm至590nm范围内的中心波长的光。所述第一荧光体 并且第二荧光体被近紫外或蓝光激发以发射黄光。

    IMAGE PROJECTION DEVICE
    9.
    发明公开
    IMAGE PROJECTION DEVICE 审中-公开

    公开(公告)号：US20240184190A1

    公开(公告)日：2024-06-06

    申请号：US18574614

    申请日：2021-07-12

    Applicant: LG ELECTRONICS INC.

    Inventor： Bokyung KANG ,  Gunyoung HONG ,  Younggil YOO ,  Minsung KIM ,  Kyungpil KIM ,  Seungmi BAEK

    IPC: G03B21/20 ,  C09K11/77

    CPC classification number: G03B21/204 ,  C09K11/7774

    Abstract: An image projection apparatus is disclosed. The image projection apparatus according to an embodiment of the present disclosure includes: a light source configured to output blue light; and a phosphor wheel configured to output a plurality of colors of light based on the blue light incident upon rotation, wherein the phosphor wheel includes: a substrate; a yellow phosphor disposed in a first region on the substrate for output of yellow light; and a green phosphor disposed in a second region on the substrate for output of green light, wherein the green phosphor includes (Lu1−xYx)3Al5O12, with 0

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