Important Knowledge of Led display
1. What is LED?
LED is short for Light Emitting Diode, a kind of semiconductor which is used to
give and receive the electronic signal into infrared rays or light, using the characteristics
of compound semiconductor. This is used for household appliances, remote controller,
electric bulletin board, various kinds of automation appliances.
2. What are Pixel Pitch, Pixel Density, LED QTY, and Pixel Configuration?
Pixel Pitch is the distance between neighboring pixels.
Pixel Density is the quantity of pixels per square meter.
LED QTY is the quantity of LED lamps per square.
Pixel Configuration is the description of the consistence of a pixel, for instance,
we use 1 red lamp, 1 green lamp, and 1 blue lamp to compose a pixel, the pixel
configuration is 1R1G1B.
3. What are LED Type, Module size and Module resolution?
LED Type is the description of LED lamp, for instance, the brand, the shape in physical,
the size of the lamp, etc.
Module size is the measurement of a module.
Module resolution is the number of pixels per module.
4. What is Drive Method, driving IC and Power supply ?
Drive Method: always we use static, 1/4 scan, 1/8 scan, 1/16 scan, the latter one contributes
to less brightness than the former. We always use the static outdoor, and use the different
kinds of scan indoor.
Driving IC is the generic term for several kinds of IC, that are used to control the LED lamps,
and as a bridge between the control system and lamps.
Power supply: a kind of device that used as a transfer from 220V AC into 5V DC. It always
seems like a box in the cabinet.
5. What is viewing angle?
Viewing angle is the maximum angle at which a display can be viewed with acceptable visual
performance. It includes horizontal viewing angle and vertical viewing angle.
Packaging & Delivery
Packaging Details:
wooden case or flight case
Delivery Detail:
10-15days
LS1818A-P4 Taxi Top LED Advertising Board Display Sign For Sale
LS1818B- P4 Mobile LED Display Screen Sign Advertising For Taxi Car Top
LS1828A-P5 Full Color Ad Taxi Cab Top Advertising LED Display Sign