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UL 8750:
. r" S2 B2 O; X0 S3.10 LED (LIGHT EMITTING DIODE) – A solid-state component embodying a p-n junction, emitting0 y' c/ }; x: {' T
optical radiation when excited by an electric current.8 R# G' r8 Q4 a# b1 k
3.11 LED ARRAY (LED MODULE) – An assembly of one or more LED discrete electronic components
! a$ b! s4 O' W% Ron a printed circuit board, typically with optics and additional thermal, mechanical, and electrical
4 }; O3 U/ H2 ]5 _' |0 _; @interfaces.
2 Q5 B0 x) q% w+ W3.12 LED CONTROL MODULE (LED CONTROLLER) – Electronic circuitry interposed between the" S! X) S: y, E
power source and an LED array to dim, switch, or otherwise control the electrical energy to the LED
- `! X; p9 g' g6 z! darray. The device does not contain a power source and is not connected directly to the branch circuit.
5 j# q- C( `; x: |9 f3.13 LED DRIVER – A power source that adjusts the voltage or current to LEDs, ranging in complexity" y, z" X1 N8 n1 \9 Y5 U5 T1 z' t
from a resistor to a constant voltage or constant current power supply. Also referred to as Lamp Control
; e( d- a$ w; E; r: z @2 p6 P6 tGear. (See also Power Source.) S/ P5 q. K2 v- s" |' A
3.14 LED PACKAGE – An assembly of one or more LED die that contains wire bond connections and
) d! J8 {6 Q+ ~+ _1 kmay include an optical element and thermal, mechanical, and electrical interfaces. The package does4 g# G! A1 N$ f6 A8 R
not include a power source and is not connected directly to the branch circuit. |
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发表于 2011-5-4 12:52
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发表于 2011-5-4 13:37
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