This is the ivplat's LC420WU1(SL)(A2) LCD Controller Kit Project , Thanks. It is a big screen , and ivplat know how to make the backlight work himself . The project work perfect . please view the detail in the following picture. (If you want to DIY your LCD , please check the link in the bottom of this page , Thanks.

LC420WU1(SL)(A2) LCD back side of LC420WU1(SL)(A2) LCD LC420WU1(SL)(A2) screen