LED Backlight for mobile phone
2. LED Backlight constitute: Diffusion Film, Reflect Film, light guide plate, Shading Area, Lights, PCB, DIP, Laser Dot Grid, plastic parts etc.;
3. Light Guide Plate: Thickness 0.4mm-6mm;
4. Shading Area: Above 7mm when use DIP LED,
Above 4mm when use SMD LED
5. Active Area: The area can display;
6. Application: LCD Display Screens Back Light, LED Advertising Panel, Logo Light Back;
7. Connector Type: Pins, PCB touch, FPC, SMD, Connector Terminal;
8. Working Voltage/Electric Current: Custom as the brightness;
White LED Lights Voltage: 2.8V to 3.4V;
Color LED Lights Voltage: 1.8V to 2.4V
9. Parameters needed for accurate quotation:
(1) Custom size of the backlight board;
(2) Thickness of light guide panel;
(3) Active Area size of the LED Backlight;
(4) Luminance of the back lights;
(5) LED light connector type like DIP LED, Pin, SMD or FPC;
(6) Thickness of the back lighting plate;
(7) A picture of the appearance or drawing sketch of the led backlight
(8) Color of the LED light, White, warm white, green, yellow, blue, RGB colors
(9) Input Voltage and Connection Method
Backlight Type:
Type |
Light Color |
Luminance |
VF(Voltage) |
Cost |
Side LED Backlight |
Y,Y-G,G,O,R |
5~30cd/m2 |
DC2,1v ,3,2v |
Cheapest |
Bottom LED Backlight |
Y,Y-G,G,O,R |
10~50cd/m2 |
DC2,1v ,3,2v ,8.4v |
Expensive |
EL Backlight |
B,G,W |
10~30cd/m2 |
AC100V ,400HZ |
Expensive |
CCFL Backlight |
White |
15~60cd/m2 |
AC100V ,80KHZ |
Costly |