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    • 10. 发明授权
    • Spread illuminating apparatus
    • 展示照明装置
    • US08303152B2
    • 2012-11-06
    • US12776754
    • 2010-05-10
    • Satoshi KawashimaMakoto Furuta
    • Satoshi KawashimaMakoto Furuta
    • F21V7/04
    • G02B6/0021G02B6/002G02B6/0068G02B6/0073
    • A spread illuminating apparatus includes: a light guide plate including a plurality of protrusions disposed along a side surface thereof such that a plurality of interspaces are formed with each interspace being located between two adjacent protrusions; and a plurality of LEDs which include first row LEDs and second row LEDs disposed in two rows respectively at the interspaces and the protrusions. The distal portion of the protrusion has, at its top end surface, a width which is larger than the width of an opening area of the recess of a lamp house and also smaller than the overall width of the lamp house. The first and second row LEDs adjacent to each other are disposed such that respective lamp houses of two adjacent LEDs partly overlap with each other when viewed from the light emission direction.
    • 扩散照明装置包括:导光板,包括沿着其侧表面设置的多个突起,使得形成多个间隙,每个间隙位于两个相邻的突起之间; 以及多个LED,其包括在间隙和突起处分别设置成两排的第一行LED和第二行LED。 突起的远端部在其顶端表面具有比灯室的凹部的开口面积的宽度大的宽度,并且还小于灯具的整体宽度。 彼此相邻的第一和第二行LED布置成使得当从发光方向观察时,两个相邻LED的相应灯室彼此部分重叠。