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    • 7. 发明授权
    • Scanning backlight with slatless light guide
    • 扫描带无缝光导的背光
    • US08646960B2
    • 2014-02-11
    • US12849531
    • 2010-08-03
    • Erik A. AhoJohn C. Schultz
    • Erik A. AhoJohn C. Schultz
    • F21V7/04
    • G02B6/0038G02B6/0028G02B6/0031G02B6/0068G02B6/0091G02B27/2214G02B27/225H04N13/32
    • A backlight includes a light guide and a first and second light source adapted for independent operation and arranged to inject a first and second light beam, respectively, into the light guide through different portions of the light injection surface. Each light source includes a lamp and a concave reflector to partially collimate light from the lamp. One major surface of the light guide includes prismatic structures that are parallel to a first axis. Another major surface of the light guide includes lenticular structures that are parallel to each other but perpendicular to the prismatic structures. The lenticular structures limit spatial spreading for light that remains in the light guide. Each light source cooperates with the light guide to provide light that is substantially laterally confined to a transverse band of the light guide, even though the light guide contains no gaps that define slats to accomplish such confinement.
    • 背光源包括光导和适于独立操作的第一和第二光源,并且被布置成通过光注入表面的不同部分将第一和第二光束分别注入光导中。 每个光源包括灯和凹面反射器以部分地准直来自灯的光。 光导体的一个主表面包括平行于第一轴线的棱镜结构。 光导的另一个主要表面包括彼此平行但垂直于棱柱结构的透镜结构。 透镜结构限制光导中保留的光的空间扩展。 每个光源与光导配合以提供基本上侧向限制在光导的横向带的光,即使光导不包含限定板条以实现这种限制的间隙。
    • 8. 发明申请
    • Scanning Backlight with Slatless Light Guide
    • 扫描背光与无鳞光导
    • US20120033443A1
    • 2012-02-09
    • US12849531
    • 2010-08-03
    • Erik A. AhoJohn C. Schultz
    • Erik A. AhoJohn C. Schultz
    • F21V7/22
    • G02B6/0038G02B6/0028G02B6/0031G02B6/0068G02B6/0091G02B27/2214G02B27/225H04N13/32
    • A backlight includes a light guide and a first and second light source adapted for independent operation and arranged to inject a first and second light beam, respectively, into the light guide through different portions of the light injection surface. Each light source includes a lamp and a concave reflector to partially collimate light from the lamp. One major surface of the light guide includes prismatic structures that are parallel to a first axis. Another major surface of the light guide includes lenticular structures that are parallel to each other but perpendicular to the prismatic structures. The lenticular structures limit spatial spreading for light that remains in the light guide. Each light source cooperates with the light guide to provide light that is substantially laterally confined to a transverse band of the light guide, even though the light guide contains no gaps that define slats to accomplish such confinement.
    • 背光源包括光导和适于独立操作的第一和第二光源,并且被布置成通过光注入表面的不同部分将第一和第二光束分别注入光导中。 每个光源包括灯和凹面反射器以部分地准直来自灯的光。 光导体的一个主表面包括平行于第一轴线的棱镜结构。 光导的另一个主要表面包括彼此平行但垂直于棱柱结构的透镜结构。 透镜结构限制光导中保留的光的空间扩展。 每个光源与光导配合以提供基本上侧向限制在光导的横向带上的光,即使光导不包含限定板条以实现这种限制的间隙。