|
|
UL 8750:7 Q( R' n. ?* \* f( n5 H: T
3.10 LED (LIGHT EMITTING DIODE) – A solid-state component embodying a p-n junction, emitting% K [6 `/ ~( |1 H, @0 U; @
optical radiation when excited by an electric current." T1 ~/ {6 E+ R1 w% N( z. v
3.11 LED ARRAY (LED MODULE) – An assembly of one or more LED discrete electronic components! Y+ a$ E& B, V" K
on a printed circuit board, typically with optics and additional thermal, mechanical, and electrical
" [' W1 M3 `2 j3 O* d! Finterfaces.
3 C6 w- q4 h' V( ~. ~3.12 LED CONTROL MODULE (LED CONTROLLER) – Electronic circuitry interposed between the$ P2 r7 @6 s/ n' ?! y/ b! d
power source and an LED array to dim, switch, or otherwise control the electrical energy to the LED
3 ~- u [; n4 Y" C8 ?array. The device does not contain a power source and is not connected directly to the branch circuit.( C: A% i9 a5 ^. Y# c
3.13 LED DRIVER – A power source that adjusts the voltage or current to LEDs, ranging in complexity: Y9 g* K: x$ [' o
from a resistor to a constant voltage or constant current power supply. Also referred to as Lamp Control
^" m0 j7 [6 T+ fGear. (See also Power Source.)6 ~* C0 [ F: h1 H2 U
3.14 LED PACKAGE – An assembly of one or more LED die that contains wire bond connections and
1 ]# i5 H3 l6 W, v, }7 Smay include an optical element and thermal, mechanical, and electrical interfaces. The package does0 U2 W* s6 y3 q- |/ U' b# h! V
not include a power source and is not connected directly to the branch circuit. |
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 )
窥视卡
雷达卡
发表于 2011-5-4 12:52
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
发表于 2011-5-4 13:37
楼主