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    • 3. 发明申请
    • PROJECTION DISPLAY SURFACE PROVIDING SPECKLE REDUCTION
    • 投影显示表面提供减少光斑
    • WO2011159588A1
    • 2011-12-22
    • PCT/US2011/040118
    • 2011-06-13
    • EASTMAN KODAK COMPANYSILVERSTEIN, Barry, D.MARCUS, Michael, AlanKURTZ, Andrew, F.
    • SILVERSTEIN, Barry, D.MARCUS, Michael, AlanKURTZ, Andrew, F.
    • H04N9/31G03B21/56G03B21/60
    • H04N9/3132G03B21/60G03B33/16
    • A projection display surface for reducing speckle artifacts from a projector having at least one narrow band light source having an incident visible wavelength band, wherein the incident visible wavelength band has an incident peak wavelength and an incident bandwidth, comprising: a substrate having a reflective layer that reflects incident light over at least the incident visible wavelength band; and a fluorescent agent distributed over the reflective layer, wherein the fluorescent agent absorbs a fraction of the light in the incident visible wavelength band and emits light in an emissive visible wavelength band having an emissive peak wavelength and an emissive bandwidth; wherein return light from the projection display surface produced when incident light in the incident visible wavelength band is incident on the projection display surface contains light in both the incident visible wavelength band and emissive visible wavelength band, thereby reducing speckle artifacts.
    • 一种投影显示表面,用于减少具有入射可见波长带的至少一个窄带光源的投影仪的散斑伪像,其中入射的可见波长带具有入射峰值波长和入射带宽,包括:具有反射层 至少反射入射可见波长带的入射光; 以及分布在所述反射层上的荧光剂,其中所述荧光剂吸收所述入射可见波长带中的一部分光并发射具有发射峰值波长和发射带宽的发射可见光波长带中的光; 其中,当入射到所述投影显示面上的入射光入射到所述投影显示面上时,来自所述投影显示面的返回光包含入射的可见波长带和发光可见波长带中的光,从而减少斑点伪像。
    • 6. 发明申请
    • ORGANIC VERTICAL CAVITY LASER AND IMAGING SYSTEM
    • 有机垂直孔激光和成像系统
    • WO2004049529A1
    • 2004-06-10
    • PCT/US2003/034988
    • 2003-11-03
    • EASTMAN KODAK COMPANY
    • KURTZ, Andrew, F.KOWARZ, Marek, W.KRUSCHWITZ, Brian, E.KAHEN, Keith, B.
    • H01S5/30
    • H04N9/3161H01S5/005H01S5/041H01S5/18319H01S5/18383H01S5/36H01S5/4075H01S5/4093H01S5/423
    • An organic vertical cavity laser light producing device (10) comprises a substrate (20). A plurality of laser emitters (200) emits laser light in a direction orthogonal to the substrate. Each laser emitter within the plurality of laser emitters has a first lateral mode structure in a first axis orthogonal to the laser light direction and has a second lateral mode structure in a second axis orthogonal to both the laser light direction and the first axis. Each laser emitter comprises a first mirror provided on a top surface of the substrate (20) and is reflective to light over a predetermined range of wavelengths. An organic active region (40) produces laser light (350). A second mirror is provided above the organic active region and is reflective to light over a predetermined range of wavelengths. A pumping means excites the plurality of laser emitters.
    • 有机垂直腔激光产生装置(10)包括衬底(20)。 多个激光发射器(200)在与基板正交的方向上发射激光。 多个激光发射器内的每个激光发射器在与激光光方向正交的第一轴上具有第一横向模式结构,并且在与激光光方向和第一轴正交的第二轴上具有第二横向模式结构。 每个激光发射器包括设置在衬底(20)的顶表面上并在预定波长范围内反射的第一反射镜。 有机活性区域(40)产生激光(350)。 第二反射镜设置在有机有源区上方,并且在预定波长范围内反射光。 泵送装置激励多个激光发射器。