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    • 4. 发明申请
    • APPARATUS FOR SELECTIVELY BACKLIGHTING A MATERIAL
    • 选择材料选择的装置
    • WO2009032500A1
    • 2009-03-12
    • PCT/US2008/073127
    • 2008-08-14
    • MOTOROLA, INC.SKIPOR, Andrew,LATELLA, Rick,SCHEIFERS, Steven,
    • SKIPOR, Andrew,LATELLA, Rick,SCHEIFERS, Steven,
    • H04M1/22
    • G06F1/3218G02F1/1336G02F1/133617G02F2001/133614H01H13/83H01H2219/018H01H2219/052
    • A backlighting device (300, 400, 500, 600) emitting light having a first wavelength includes a first radiation emission device (302), e.g., an electroluminescent lamp, for emitting radiation having a second wavelength. A layer (306) of a plurality of photon emitting particles (308), e.g., free standing quantum dots or phosphorus particles, emits light having the first wavelength in response to the first radiation emission device (302), the first wavelength being larger than the second wavelength. A transparent material (116, 120, 122) overlies the layer of a plurality of photon emitting particles (308), wherein the light having a first wavelength passes through the transparent material (116, 120, 122). Optionally, a filter (402) may be placed over the layer (306) to block the radiation having a second wavelength, and a scattering layer (604) may be placed over the layer (306) to scatter wavelength other than the first wavelength. .
    • 发射具有第一波长的光的背光装置(300,400,500,600)包括用于发射具有第二波长的辐射的第一辐射发射装置(302),例如电致发光灯。 多个光子发射粒子(308)的层(306)(例如,独立量子点或磷粒子)响应于第一辐射发射装置(302)发射具有第一波长的光,第一波长大于 第二波长。 透明材料(116,120,122)覆盖多个光子发射颗粒(308)的层,其中具有第一波长的光通过透明材料(116,120,122)。 可选地,过滤器(402)可以放置在层(306)上以阻挡具有第二波长的辐射,并且可以在层(306)上方布置散射层(604)以散射除第一波长之外的波长。 。