Active matrix display device and timing generator

Details Active matrix display device and timing generator Active matrix display device and timing generator

1995-04-19

1997-05-13

Lee, Michael

Television

Video display

Liquid crystal

348556, H04N 314, H04N 930, H04N 546

Patent

active

056297440

ABSTRACT:
an active matrix display device comprises a plurality of pixels, a vertical scanning circuit, a horizontal scanning circuit and a thinning-out circuit. The plurality of pixels are arranged in a matrix on a normal standard screen. The vertical scanning circuit is for sequentially selecting pixels every line. The horizontal scanning circuit is for writing single horizontal period portions of a wide standard image signal for selected lines of pixels and the thinning-out circuit is for controlling timing of the vertical scanning circuit sequential selection and thinning-out a prescribed number of horizontal period portions from a wide standard image signal in such a manner that wide displaying compressed in the longitudinal direction of the screen is carried out. It is therefore possible for a normal standard screen to change over to displaying a wide standard image.

REFERENCES:
patent: 4694348 (1987-09-01), Kamiya et al.
patent: 5233422 (1993-08-01), Kondo et al.

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