Image display apparatus

Details Image display apparatus Image display apparatus

H - Electricity

04

N

88/108, 313/35.1

H04N 9/31 (2006.01) G02B 27/28 (2006.01) H01J 29/89 (2006.01) H04N 5/72 (2006.01)

Patent

CA 1214488

ABSTRACT OF THE DISCLOSURE An image display apparatus includes an image display screen which is formed by a plurality of picture display elements arranged repeatedly with a predetermined pitch for displaying an image as a set of plural picture elements. In this case, a double refraction plate is disposed in front of the image display screen so that light rays from the picture display elements are double- refracted by the double refraction plate and that the density of the picture display elements is increased apparently. Thus, in a color cathode ray tube in which a phosphor face is formed by color phosphors arranged in a stripe pattern, it is possible to reduce the coarse- ness of the texture of the color phosphor stripe.

440878

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