my findings

Anwering Juan Carlos's question, though RCA invented the LCD, they caould not develop a display that can be used for television and thus gave up the project in 1970, as wriiten by Bernie Lchner of RCA in the Reference. In 1988, Sharp firstly developed 14" full-color full-motion display that can be used for television. This was a very siginificant progress of technology, which caused to launch portable PC and flat TV industries.

Hirohisa Kawamoto

Kawamoto07:46, 14 August 2013