PAY TYPE DESCRIPTIONS - ALPHABETICAL ORDER. The following table contains the current list of DOS codes or Pay Types at UCLA in order by DOS code. This list can be sorted by DOS Code, Pay Type/Check Description, or Full Description. To sort by one of the columns listed, click on the column heading.
a light emitting diode led is a semiconductor device that emits visible light when an electric current passes through it the light is not particularly bright but in most leds it is monochromatic occurring at a single wavelength
A LED driver is an electrical device that regulates the power to an LED or string(s) of LEDs.he power level (or âSpeedâ) of the LED is maintained constant by the driver as the electrical properties change (amount of âgasâ or power needed) throughout the temperature increases and decreases (or âhills and valleysâ) seen by the LED(s).