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    • 1. 发明授权
    • Lighting device and display device using the same
    • 照明装置及使用其的显示装置
    • US07366392B2
    • 2008-04-29
    • US11126634
    • 2005-05-11
    • Katsunori HonmaNorihiro DejimaMakoto KuriharaTakayasu Sado
    • Katsunori HonmaNorihiro DejimaMakoto KuriharaTakayasu Sado
    • G02B6/00
    • G02B6/0048G02B6/0036G02B6/0038G02B6/0061
    • A lighting device comprises a light guide plate having a light incident surface and a light exit surface, at least one point light source for emitting light that is incident on the light incident surface of the light guide plate and is guided by the light guide plate to the light exit surface of the light guide plate, and micro-structures disposed on a surface of the light guide plate that is opposite to the light exit surface thereof for scattering light from the point light source that is incident on the light incident surface. A longitudinal direction of each of the micro-structures is substantially aligned with a direction in which the light from the point light source is incident on each of the micro-structures. Each of the micro-structures has an inclined surface for reflecting the incident light toward the light exit surface of the light guide plate. A base line of the inclined surface of each micro-structure is disposed substantially orthogonal with the direction in which the light from the point light source is incident on each of the micro-structures.
    • 照明装置包括具有光入射面和光出射面的导光板,用于发射入射到导光板的光入射面并由导光板引导的光的至少一个点光源, 导光板的光出射面,以及配置在导光板的与光出射面相反的表面的微结构,用于散射来自入射在光入射面上的点光源的光。 每个微结构的纵向方向基本上与来自点光源的光入射到每个微结构上的方向对准。 每个微结构具有用于将入射光朝向导光板的光出射面反射的倾斜面。 每个微结构的倾斜表面的基线设置成与来自点光源的光入射到每个微结构上的方向基本正交。