Laptop screen to hdmi

Hello,

I need some help I cant find anything any where about this .. i'm trying to convert a laptop screen to hdmi but I do believe the lcd controller board is already on the back of the lcd and its a 40 or 42 pin output or input
the screen belongs to a "ASUS G50vt"

the screen look exactly like this
http://my.poco.cn/manage/images/blank.gif

heres the wher I found the lcd if you can't view the pic

http://www.ebay.com/itm/LP156WH2-TLQ1-BT156GW01-N156B6-...