Transmission projection screen and method of manufacturing same

Details Transmission projection screen and method of manufacturing same Transmission projection screen and method of manufacturing same

1986-07-30

1987-08-18

Wintercorn, Richard A.

350126, G03B 2160

Patent

active

046880933

ABSTRACT:
The invention relates to a transmission projection screen having a high light output and a suitable contrast, for example for use in a projection television system, and a method of manufacturing such a screen.
The projection screen comprises a transparent substrate having a front surface which is provided with mutually parallel ribs 2. At the bottom of the grooves 4 between the ribs 2 two individual layers of light-absorbing particles 11 and 12 are provided. The said particles are fixed by means of an adhesive layer 14.

REFERENCES:
patent: 4468092 (1984-08-01), Inoue et al.
patent: 4525029 (1985-06-01), Inoue et al.
patent: 4573764 (1986-03-01), Bradley

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