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    • 7. 发明授权
    • Stable light source
    • 稳定的光源
    • US08748911B2
    • 2014-06-10
    • US13003491
    • 2009-07-14
    • Michael A. HaaseJames A. ThielenCatherine A. LeatherdaleBilly L. WeaverTerry L. Smith
    • Michael A. HaaseJames A. ThielenCatherine A. LeatherdaleBilly L. WeaverTerry L. Smith
    • H01L29/18
    • H05B33/0812H01L25/0753H01L33/502H01L33/507H05B33/0857Y02B20/343
    • Light emitting systems are disclosed. The light emitting system emits an output light that has a first color. The light emitting system includes a first electroluminescent device that emits light at a first wavelength in response to a first signal. The first wavelength is substantially independent of the first signal. The intensity of the emitted first wavelength light is substantially proportional to the first signal. The light emitting system further includes a first luminescent element that includes a second electroluminescent device and a first light converting layer. The second electroluminescent device emits light at a second wavelength in response to a second signal. The first light converting layer includes a semiconductor potential well and converts at least a portion of light at the second wavelength to light at a third wavelength that is longer than the second wavelength. The light emitting system combines light at the first wavelength with light at the third wavelength to form the output light at the first color. When one of the first and second signals changes from about 50% of a maximum rating of the signal to about 100% of the maximum rating, but the ratio of the first signal to the second signal remains substantially unchanged, the first color of the output light remains substantially unchanged.
    • 公开了发光系统。 发光系统发射具有第一颜色的输出光。 发光系统包括响应于第一信号发射第一波长的光的第一电致发光器件。 第一波长基本上与第一信号无关。 所发射的第一波长光的强度基本上与第一信号成比例。 发光系统还包括第一发光元件,其包括第二电致发光器件和第一光转换层。 第二电致发光器件响应于第二信号发射第二波长的光。 第一光转换层包括半导体势阱,并将第二波长的至少一部分光转换成比第二波长长的第三波长的光。 发光系统将第一波长的光与第三波长的光组合,以形成第一颜色的输出光。 当第一和第二信号中的一个信号从信号的最大额定值的约50%变化到最大额定值的约100%时,但是第一信号与第二信号的比率基本保持不变,输出的第一颜色 光线基本保持不变。
    • 8. 发明授权
    • Stereoscopic 3D liquid crystal display apparatus with scanning backlight
    • 具有扫描背光的立体3D液晶显示装置
    • US08179362B2
    • 2012-05-15
    • US11865967
    • 2007-10-02
    • Scott E. BrighamJohn C. SchultzBilly L. Weaver
    • Scott E. BrighamJohn C. SchultzBilly L. Weaver
    • G09G3/36
    • G02B27/2264G02B6/0038G02B6/0061G02B6/0076G02B6/0078G02B27/2214H04N13/32H04N13/398Y10S385/901
    • A scanning backlight for a stereoscopic 3D liquid crystal display apparatus includes a light guide having a first side and a second side opposite the first side, and having a first surface extending between the first and second sides and a second surface opposite the first surface. The first surface substantially re-directs light and the second surface substantially transmits light. A plurality of first light sources are arranged along the first side of the light guide for transmitting light into the light guide from the first side and a plurality of second light sources are arranged along the second side of the light guide for transmitting light into the light guide from the second side. The first light sources are divided into a plurality of first groups and the second light sources are divided into a plurality of second groups, each first group having a corresponding and opposing second group, and the first groups and second groups are selectively turned on and off in a particular pattern where only the first group or corresponding and opposing second group selectively transmits light into light guide at one time.
    • 用于立体3D液晶显示装置的扫描背光源包括具有第一侧和与第一侧相对的第二侧的光导,并且具有在第一和第二侧之间延伸的第一表面和与第一表面相对的第二表面。 第一表面基本上重新引导光并且第二表面基本上透射光。 多个第一光源沿着光导的第一侧布置,用于将光从第一侧传输到光导中,并且沿着光导的第二侧布置多个第二光源,用于将光透射到光 指导从第二边。 第一光源被分成多个第一组,第二光源被分成多个第二组,每个第一组具有对应的和相对的第二组,并且第一组和第二组选择性地打开和关闭 在其中只有第一组或相应和相对的第二组一次选择性地将光透射入光导的特定图案中。