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    • 2. 发明申请
    • Light excitation-diffusion sheet for backlight unit and backlight unit for liquid crystal display using the same
    • 用于背光单元的光激发扩散片和使用其的液晶显示器的背光单元
    • US20060109682A1
    • 2006-05-25
    • US11027119
    • 2004-12-30
    • Youngwook KoNamheon LeeYoungju Ahn
    • Youngwook KoNamheon LeeYoungju Ahn
    • G02B6/00
    • G02B6/0051
    • A light excitation diffusion sheet for a backlight unit adapted to absorb a portion of light emitted from a light source of a blue wavelength or a mixed wavelength of a blue wavelength and at least one other wavelength, to emit light at different wavelengths from the light emitted from the light source, and to allow the rest of the light emitted from the light source to penetrate the sheet The light excitation-diffusion sheet comprises a light-exciting material exciting and amplifying the light from the light source and a light-diffusing material scattering and diffusing the light from the light source. The light-exciting material and the light-diffusing material are uniformly distributed in the light excitation-diffusion sheet The use of the light excitation-diffusion sheet enables production of edge light type and direct light type backlight units having diffusion and prism functions, good color purity and improved light efficiency at reduced costs.
    • 一种用于背光单元的光激发扩散片,其适于吸收从蓝色波长的光源或蓝色波长和至少一种其它波长的混合波长的光源发射的光的一部分,以发射不同波长的光, 并且允许从光源发射的光的其余部分穿透片材。光激发扩散片包括激发和放大来自光源的光的光激发材料和散射光的光漫射材料 并从光源扩散光。 光激发材料和光扩散材料均匀地分布在光激发扩散片中。使用光激发扩散片能够生产具有扩散和棱镜功能的边缘光型和直接光型背光单元,颜色好 纯度和提高的光效率,降低成本。
    • 3. 发明申请
    • Keypad lighting arrangement
    • 键盘照明布置
    • US20060227532A1
    • 2006-10-12
    • US11369970
    • 2006-03-08
    • Youngwook KoNamheon LeeSeungsik Hong
    • Youngwook KoNamheon LeeSeungsik Hong
    • F21V33/00
    • G06F3/0202H01H13/83H01H2219/018H01H2219/037H04M1/22
    • A keypad lighting arrangement adapted to transmit at least a portion of light emitted from light sources through a keypad so as to facilitate visual recognition of information expressed on keypad members of a keypad includes light sources, a photoluminescent diffusion sheet arranged over the light sources and containing a photoluminescent material for converting light from the light sources and a light-diffusing material for diffusing emitted from the light sources, and a keypad member over the photoluminescent diffusion sheet, wherein the light sources emit blue wavelength light and the photoluminescent diffusion sheet absorbs at least a portion of the blue wavelength light and converts the blue wavelength of light to a different wavelength of light.
    • 一种键盘照明装置,其适于通过键盘传输从光源发射的光的至少一部分,以便于视觉识别在小键盘的键盘部件上表达的信息,包括光源,光致发光漫射片,布置在光源上并且包含 用于转换来自光源的光的光致发光材料和用于从光源发射的漫射的光漫射材料,以及光致发光漫射片上的键盘部件,其中光源发射蓝色波长的光,并且光致发光扩散片至少吸收 蓝色波长的一部分发光并将蓝色波长的光转换成不同波长的光。