LCD screen with and without the colored background:
Vtech Dragon Castle (1981, LCD, 6 C Batteries, Model# 90-0124-00)
Thanks to EmeraldR for letting me take pics of his games at Philly Classic 2001. Vtech also made a handheld version of this with a calculator. Also licensed to Ludotronic as Dragon Castel.
LCD screen with and without the colored background:
Do I have this? Yes, boxed.