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1. 发明公开

EP2927580A1 Optic for a led chip and related led lighting device 有权转让
标题翻译： OPTIKFÜREINEN LED-CHIP UNDZUGEHÖRIGELED-BELEUCHTUNGSVORRICHTUNG
公开(公告)号：EP2927580A1
公开(公告)日：2015-10-07
申请号：EP15000934.8
申请日：2015-03-30
申请人： Khatod Optoelectronic SRL
发明人： Vasta, Giuseppe , Meneghetti, Luca
IPC分类号： F21V31/00 , F21V5/04 , F21V17/10 , F21V5/08 , F21V17/00 , F21Y101/02
CPC分类号： F21V31/00 , F21K9/60 , F21V5/04 , F21V5/08 , F21V7/0025 , F21V7/0066 , F21V7/10 , F21V17/002 , F21V17/005 , F21V17/10 , F21V25/12 , F21V29/004 , F21V29/70 , F21V31/005 , F21W2101/04 , F21W2107/20 , F21W2111/047 , F21W2131/101 , F21W2131/103 , F21Y2101/00 , F21Y2115/10
摘要： Optic for a LED chip (97), in particular of COB type, said optic comprises a second element (50) realized with an optical transparent material and having a first proximal end (51) and a second distal end (53), a second external exit surface (58), a first total internal reflection external lateral surface (59) which redirects and re-distributes a luminous flux realized by LED chip (97) towards said second external exit surface (58), the second element (50) comprising furthermore an internal blind cavity (52) for housing LED chip (97). The optic comprises a first element (30) substantially disc shaped, which extends externally with respect to said second element (50) in an orthogonal direction to a longitudinal direction (90), and, furthermore, the first element (30) and the second element (50) are realized mutually integral through injection moulding, and in particular are realized in one single piece through injection moulding with a optic grade transparent silicone elastomer for make a LED lighting device (10) waterproof and anti-shock, by avoiding the need of a gasket and of an external glass, and with a reduced number of components.
摘要翻译：用于LED芯片（97）的光学器件，特别是COB型光学器件，所述光学器件包括由光学透明材料实现并具有第一近端（51）和第二远端（53）的第二元件（50），第二外部出射表面（58），第一全内反射外侧表面（59），其将由LED芯片（97）实现的光束重定向并再分配到所述第二外部出射表面（58），第二元件（50）还包括用于容纳LED芯片（97）的内部盲腔（52）。该光学元件包括基本上圆盘状的第一元件（30），该第一元件（30）在与纵向方向（90）正交的方向上相对于所述第二元件（50）向外延伸，此外，第一元件（30）和第二元件元件（50）通过注射成型实现相互一体化，特别是通过注射成型与光学级透明硅氧烷弹性体一体实现，以通过避免需要来制造LED照明装置（10）防水和抗冲击垫圈和外部玻璃，并且具有减少数量的部件。

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