I know that ADV7611 convert HDMI to VGA & audio..
but i want to know how can converting HDMI to LVDS for display LCD resolution 800 X480??
The ADV7611 has a TTL output so any TTL to LVDS converter should work fine, such as the ADN4663 http://www.analog.com/en/interface-isolation/lvds/adn4663/products/product.html
The ADV7611 provides audio extraction and video decoding from the HDMI stream.
I'm not sure if this answered your question