Sunday, June 30, 2024

DIY Full Array Local Dimming Backlight

This is a modification to convert an LED LCD TV to Full Array Local Dimming Backlight.

 

Full Array Local Dimming Backlight

Parts list:

1W COB LED (98pcs)

LDR (98pcs)

MOSFET SI2300 or SI2306 (98pcs)

Resistor 4.7K (98pcs)

Resistor 1ohm (98pcs)

 

 

Circuit:

Repeat the same circuit 98 times

Full Array Local Dimming Backlight

You can order the PCB from PCBWay.com here:

 https://www.pcbway.com/project/shareproject/Full_Array_Local_Dimming_TV_Backlight_6013e5cc.html

 

Full Array Local Dimming Backlight


3D Printed Parts:

https://www.tinkercad.com/things/9z6gjJJRLsc-local-dimming-tv-backlight-part-12 

https://www.tinkercad.com/things/eBGjOFxDnML-local-dimming-tc-backlight-part-22


Video: