Full-color laser cathode ray tube (L-CRT) projector

Vladimir Kozlovskiy; Alexander S. Nasibov; Yuri M. Popov; Parvel V. Reznikov; Yan K. Skasyrsky

doi:10.1117/12.205908

7 April 1995 Full-color laser cathode ray tube (L-CRT) projector

Vladimir Kozlovskiy, Alexander S. Nasibov, Yuri M. Popov, Parvel V. Reznikov, Yan K. Skasyrsky

Proceedings Volume 2407, Projection Displays; (1995) https://doi.org/10.1117/12.205908
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States

Abstract

A full color TV projector based on three laser cathode-ray tubes (L-CRT) is described. A water-cooled laser screen (LS) is the radiation element of the L-CRT. We have produced three main colors (blue, green and red) by using the LS made of three II-VI compounds: ZnSe ((lambda) equals 475 nm), CdS ((lambda) equals 530 nm) and ZnCdSe (630 nm). The total light flow reaches 1500 Lm, and the number of elements per line is not less than 1000. The LS efficiency may be about 10 Lm/W. In our experiments we have tested new electron optics: - (30 - 37) kV are applied to the cathode unit of the electron gun; the anode of the e-gun and the e-beam intensity modulator are under low potential; the LS has a potential + (30 - 37) kV. The accelerating voltage is divided into two parts, and this enables us to diminish the size and weight of the projector.

Citation Download Citation

Vladimir Kozlovskiy, Alexander S. Nasibov, Yuri M. Popov, Parvel V. Reznikov, and Yan K. Skasyrsky "Full-color laser cathode ray tube (L-CRT) projector", Proc. SPIE 2407, Projection Displays, (7 April 1995); https://doi.org/10.1117/12.205908

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