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按照UL8750条款,lens可以使用玻璃的。
: W, n2 _' _6 o* g2 ?6.3.4 The lens (optic) of an LED package connected in a circuit that represents a risk of electric shock need not be provided within an enclosure if made of:3 ^9 d; S* h! n5 k' L9 ?% Z4 [
a) Glass, or
% M% z5 m2 k4 b" `b) A polymeric material that complies with the dielectric voltage withstand test of 8.4 when a- ~/ d0 _7 S5 V3 [+ B
500-V potential is applied between the electrical connections to the LED and the lens surface.
9 ~6 w4 g/ H4 l; @) C但是我觉得有安全隐患。LED灯泡如果玻璃摔破了仍然是可以使用的,而电源部分不是class 2的,这时就会有触电危险。而传统灯泡玻璃摔破是不能再利用的。 |
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