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    • 4. 发明授权
    • LED surface cover, and LED lighting system, display device
    • LED表面盖,LED照明系统,显示装置
    • US08657457B2
    • 2014-02-25
    • US13395411
    • 2011-05-27
    • Motohiro DoiTatsuhito IshiiEiji Yuasa
    • Motohiro DoiTatsuhito IshiiEiji Yuasa
    • G09F13/04
    • G02B19/0028G02B19/0061H01L33/58
    • An LED surface cover (1) consists of a resin molding and has a main reflector (2) which reflects light forward from a surface light source and a subsidiary reflector (3) having a reflection surface which reflects light emitted from an LED light source (4) to the main reflector (2). The main reflector (2) has an aperture portion (2a) were the LED light source can be disposed and has a curved surface for traveling light reflected from the subsidiary reflector (3) to a region forward from the surface light source. The subsidiary reflector (3) is disposed above the aperture portion (2a) formed on the main reflector (2). The reflection surface of the subsidiary reflector (3) has an inclination with respect to a surface of the aperture portion (2a). The present invention provides a lighting system capable of accomplishing surface emission by carrying out a simple method, even though the LED light source (4) having a strong directivity is used.
    • LED表面盖(1)由树脂成型体构成,具有从面光源向前反射的主反射体(2)和具有反射从LED光源射出的光的反射面的辅助反射体(3) 4)到主反射器(2)。 主反射器(2)具有开口部分(2a),LED光源可以被布置,并且具有用于从辅助反射器(3)反射到从表面光源向前的区域的行进光的弯曲表面。 辅助反射器(3)设置在形成在主反射器(2)上的开口部分(2a)的上方。 辅助反射体(3)的反射面相对于开口部(2a)的表面具有倾斜度。 本发明提供一种能够通过简单的方法实现表面发射的照明系统,即使使用具有强指向性的LED光源(4)。