公开(公告)号：DE3773353D1

公开(公告)日：1991-10-31

申请号：DE3773353

申请日：1987-12-15

Applicant: IBM

Inventor： DICKERSON JACK ALVIN ,  GREESON JR ,  KILMER CHARLIE CLARENCE ,  POLEY NEIL MYRON

IPC: G02F1/1333 ,  G02F1/1335 ,  G02F1/133 ,  C03C4/06

Abstract: The color filters required for a thin film transistor liquid crystal display device are provided by using polychromatic glass for either the front (38) or rear (54) glass panel of the device. Through a series of masking, ultraviolet exposure and heat treating steps, red, green, and blue color areas can be generated in the polychromatic glass. Each of the different colored areas is, of course, to be aligned with one of the individually-addressable pel electrodes (42A, 42B, 42C) in the device. In a first embodiment, the polychromatic glass forms the rear glass panel (54) of the device and serves as a substrate for the thin film transistors (44) used to individually address pel electrodes (42). In an alternate embodiment, the front glass panel (38) is treated to form the color filter regions.