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    Full Spectrum White Light Emitting Devices
    73.
    发明公开
    Full Spectrum White Light Emitting Devices 审中-公开

    公开(公告)号：US20230290759A1

    公开(公告)日：2023-09-14

    申请号：US18106442

    申请日：2023-02-06

    Applicant: Intematix Corporation

    Inventor： Yi-Qun Li ,  Xianglong Yuan ,  Jun-Gang Zhao

    IPC: H01L25/075 ,  H01L33/32 ,  H01L33/08 ,  H01L33/50 ,  H01L33/06

    CPC classification number: H01L25/0753 ,  H01L33/32 ,  H01L33/08 ,  H01L33/507 ,  H01L33/06 ,  H01L33/504

    Abstract: There is provided a full spectrum white light emitting device comprising: a broadband LED flip chip that generates broadband light of dominant wavelength from about 420 nm to about 480 nm and a FWHM from 25 nm to 50 nm; and at least one photoluminescence layer covering a light emitting face of the broadband LED flip chip; wherein the broadband LED flip chip comprises a broadband InGaN/GaN multiple quantum wells LED chip comprising multiple different wavelength quantum wells in its active region that generate multiple narrowband light emissions of multiple different wavelengths and wherein broadband light generated by the broadband LED flip chip is composed of a combination of the multiple narrowband light emissions, and wherein the at least one photoluminescence material layer comprises a first photoluminescence material which generates light with a peak emission wavelength from 490 nm to 550 nm; and a second photoluminescence material which generates light with a peak emission wavelength from 600 nm to 680 nm.

    SOLID-STATE GROW-LIGHTS FOR PLANT CULTIVATION
    75.
    发明申请
    SOLID-STATE GROW-LIGHTS FOR PLANT CULTIVATION 有权

    公开(公告)号：US20220260236A1

    公开(公告)日：2022-08-18

    申请号：US17665240

    申请日：2022-02-04

    Applicant: Intematix Corporation

    Inventor： Yi-QUN Li ,  Jing Qiong Zhang

    IPC: F21V9/38 ,  A01G7/04

    Abstract: There is provided a light emitting device, for example a grow-light, comprising: a grow-light comprising: a broadband blue solid-state light source that generates broadband blue light with a peak emission wavelength from 420 nm to 495 nm and a full width at half maximum of at least 30 nm. It may be that the broadband blue light substantially matches at least one of: the absorption peak wavelength of chlorophyll-a; the absorption peak wavelength of chlorophyll-b; and the absorption peak wavelength of carotenoid.

    Tunable LED-Filaments and Tunable LED-Filament Lamps
    76.
    发明申请
    Tunable LED-Filaments and Tunable LED-Filament Lamps 有权

    公开(公告)号：US20220246586A1

    公开(公告)日：2022-08-04

    申请号：US17718746

    申请日：2022-04-12

    Applicant: Intematix Corporation

    Inventor： Yi-Qun Li ,  Jun-Gang Zhao ,  Gang Wang

    IPC: H01L25/075 ,  H01L33/50

    Abstract: A color temperature tunable LED-filament includes an elongated light-transmissive substrate; a first array of LED chips on a front face of the substrate; a second array of LED chips on the front face of the substrate; a first photoluminescence layer covering the first array of LED chips; a second photoluminescence layer covering the second array of LED chips; and a circuit arrangement enabling independent power control to the first and second LED arrays or relative power control to the first and second array of LED chips to control the color temperature of light generated by the LED-filament.

    LED-filaments and LED-filament lamps utilizing manganese-activated fluoride red photoluminescence material
    77.
    发明授权
    LED-filaments and LED-filament lamps utilizing manganese-activated fluoride red photoluminescence material 有权

    公开(公告)号：US11342311B2

    公开(公告)日：2022-05-24

    申请号：US16540019

    申请日：2019-08-13

    Applicant: Intematix Corporation

    Inventor： Gang Wang ,  Jun-Gang Zhao ,  Yi-Qun Li

    IPC: H01L33/50 ,  H01L25/075 ,  F21Y103/10 ,  F21K9/232 ,  F21Y115/10

    Abstract: An LED-filament comprising: a partially light-transmissive substrate; a plurality of blue LED chips mounted on a front face of the substrate; first broad-band green to red photoluminescence materials and a first narrow-band manganese-activated fluoride red photoluminescence material covering the plurality of blue LED chips and the front face of the substrate; and second broad-band green to red photoluminescence materials covering the back face of the substrate. The LED-filament can further comprise a second narrow-band manganese-activated fluoride red photoluminescence material on the back face of the substrate in an amount that is less than 5 wt % of a total red photoluminescence material content on the back face of the substrate.

    Packaged White Light Emitting Devices Comprising Photoluminescence Layered Structure
    78.
    发明申请
    Packaged White Light Emitting Devices Comprising Photoluminescence Layered Structure 有权

    公开(公告)号：US20210408342A1

    公开(公告)日：2021-12-30

    申请号：US17379272

    申请日：2021-07-19

    Applicant: Intematix Corporation

    Inventor： Jun-Gang Zhou ,  Gang Wang ,  Yi-Qun Li

    IPC: H01L33/50 ,  H01L25/075 ,  H01L33/60 ,  C09K11/61 ,  C09K11/66

    Abstract: A light emitting device includes a Chip Scale Packaged (CSP) LED, the CSP LED including an LED chip that generates blue excitation light; and a photoluminescence layer that covers a light emitting face of the LED chip, wherein the photoluminescence layer comprises from 75 wt % to 100 wt % of a manganese-activated fluoride photoluminescence material of the total photoluminescence material content of the layer. The device/CSP LED can further include a further photoluminescence layer that covers the first photoluminescence and that includes a photoluminescence material that generates light with a peak emission wavelength from 500 nm to 650 nm.

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