starting with «DMG» — Sharp was approached to manufacture the screens
of the DMG because it already supplied the Game & Watch displays — Sharp was unable to produce the screens at a price low enough for Nintendo so that development
of the console reached a dead point — R&D 1 learned about the «Chip on
Glass» technique which would make a cheap production possible and approached TV maker Citizen to produce the Game Boy's screens using this technique — in the end, Sharp was also able to use the CoG technique and was thus chosen to produce the screens and made a four billion yen investment for that — the screens Sharp produced at the beginning were
of a
wrong type and were next to useless for the Game Boy project — Yokoi remembers Hiroshi Yamauchi's reaction on Game Boy prototype with
wrong screen
type: «What the hell is this?