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    • 6. 发明授权
    • Compact lighting system and display device
    • 紧凑型照明系统和显示设备
    • US07364343B2
    • 2008-04-29
    • US10497481
    • 2002-12-05
    • Matthijs Hendrik KeuperRobert Frans Maria Hendriks
    • Matthijs Hendrik KeuperRobert Frans Maria Hendriks
    • F21V7/09
    • G02B6/0046G02B6/0055
    • A compact backlight system for illuminating a display device (12) has a light-emitting panel (1) with a front wall (2) and an opposed rear wall (3) and with edge surfaces (4, 5). At least one of the edge surfaces (4) is light-transmitting. The backlight system has a light source (6) comprising a limited number of LEDs. Light from the light source (6) is coupled into the light-emitting panel (1) via the edge surface that is light-transmitting. According to the invention, the light-emitting panel (1) is wedge-shaped, and the surface area Si of the light-transmitting edge surface (4) and the surface area Sr of the opposite edge surface (5) fulfill the relation: 1
    • 用于照亮显示装置(12)的紧凑型背光系统具有带有前壁(2)和相对的后壁(3)和边缘表面(4,5)的发光面板(1)。 至少一个边缘表面(4)是透光的。 背光系统具有包含有限数量的LED的光源(6)。 来自光源(6)的光通过透光性的边缘面耦合到发光面板(1)中。 根据本发明,发光面板(1)是楔形的,并且透光边缘表面(4)的表面积S i和表面积S S 相对边缘表面(5)的满足以下关系:1 <(S / S> i <10),优选为1.5 <(S < 5 从透光边缘表面第一次通过发光面板(1)朝向相对的边缘表面(5)行进的光不能耦合到发光面板(1)外。