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    • 6. 发明申请
    • LED-BASED LIGHT EMITTING SYSTEMS AND DEVICES WITH COLOR COMPENSATION
    • 基于LED的发光系统和具有彩色补偿的器件
    • WO2012021457A1
    • 2012-02-16
    • PCT/US2011/046964
    • 2011-08-08
    • INTEMATIX CORPORATIONEDWARDS, Charles OwenWANG, GangLI, Yi-Qun
    • EDWARDS, Charles OwenWANG, GangLI, Yi-Qun
    • F21S4/00
    • H05B33/0869H05B33/089H05B37/0245
    • A light emitting system comprises an LED-based light emitting device and a controller for controlling operation of the device. The device comprises at least two LEDs that are operable to generate light of different colors that contribute to the emission product of the device. The controller is operable to control light emission from the LEDs in response to the measured intensity of the first and second color light contributions in the emission product. To measure the individual light contributions the controller is operable to interrupt, or at least change, light emission from one LED for a selected time period and during this time period to measure the intensity of the emission product of the device. The intensity of light of the first and second color can be determined by comparing the measured intensity with the measured intensity when the light emission from the other LED is interrupted or changed.
    • 发光系统包括基于LED的发光装置和用于控制装置的操作的控制器。 该装置包括至少两个LED,其可操作以产生有助于装置的发射产物的不同颜色的光。 控制器可操作以响应于发射产物中测量的第一和第二彩色光贡献的强度来控制来自LED的光发射。 为了测量单独的光贡献,控制器可操作以在所选时间段内和在该时间段内中断或至少改变来自一个LED的光发射,以测量装置的发射产物的强度。 可以通过将来自其他LED的发光中断或改变时的测量强度与测量强度进行比较来确定第一和第二颜色的光强度。
    • 7. 发明申请
    • MILLISECOND DECAY PHOSPHORS FOR AC LED LIGHTING APPLICATIONS
    • 用于交流LED照明应用的MILLISECOND衰减磷光体
    • WO2012125585A1
    • 2012-09-20
    • PCT/US2012/028817
    • 2012-03-12
    • INTEMATIX CORPORATIONZENG, QinghuaWANG, GangLI, Yi-Qun
    • ZENG, QinghuaWANG, GangLI, Yi-Qun
    • H01L33/00
    • C09K11/7734H01L33/502H05B33/145
    • Disclosed herein are chlorosilicate-based phosphors configured to emit yellow-green light in a wavelength ranging from about 500 nm to 560 nm in response to an excitation source emitting at about 400 nm to 480 nm, wherein the light emitted has a decay time ranging from about 1 millisecond to 10 milliseconds. The composition of the phosphor comprises a compound of the family Ca8-x-yAxEUyMgl-m-nBmMnn(Sil-sCs04) 4R2, where A is at least one divalent cation including Ca, Sr, Ba, individually or in combinations, or a combination of + 1 and +3 cations; B is Zn or Cd, or a divalent metal ion other than an alkaline earth, present individually or in combinations; C is a +3, +4, or +5 cation, including at least one ofGe, Al, B, Gd, Ga, and N, individually or in combinations, and R is a -I, -2, -3 anion, including F, CI, Br, I, individually, or in combinations.
    • 本文公开了基于发射在约400nm至480nm的激发源的波长范围为约500nm至560nm的黄绿色光的基于氯硅酸盐的磷光体,其中发射的光的衰减时间范围为 大约1毫秒到10毫秒。 磷光体的组成包括族Ca8-x-yAxEuyMgl-m-nBmMnn(Sil-sC04)4R2的化合物,其中A是至少一种二价阳离子,包括Ca,Sr,Ba,单独或组合,或组合 + 1和+3阳离子; B是单独或组合存在的Zn或Cd或除碱土金属以外的二价金属离子; C是单独或组合的包括Ge,Al,B,Gd,Ga和N中的至少一个的+3,+4或+5阳离子,R是-I,-2,3阴离子, 包括F,CI,Br,I,各自或组合。