Light-to-light conversion method and display unit using the same

Details Light-to-light conversion method and display unit using the same Light-to-light conversion method and display unit using the same

1990-05-15

1991-08-13

LaRoche, Eugene R.

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

358233, 359 93, 359245, 359 36, G02B 2600, G02F 103, G02F 113, H04N 574

Patent

active

050392093

ABSTRACT:
Time sequential information is written to a first light-to-light conversion element, and the thus-written time sequential information is thereafter written from the first light-to-light conversion element to a second light-to-light conversion element in the form of two-dimensional information. With this arrangement, the time sequential information can be converted with high resolution to the two-dimensional information in real time operation without involving a brightness gradient or shading.

REFERENCES:
patent: 3524064 (1970-08-01), Keyes
patent: 3527522 (1970-09-01), Baumgartner
patent: 3732429 (1973-05-01), Braunstein et al.
patent: 3740734 (1973-06-01), Maldonado
patent: 4423927 (1984-01-01), Bly
patent: 4533215 (1985-08-01), Trias et al.
patent: 4679910 (1987-07-01), Efron et al.
patent: 4807976 (1989-02-01), Little et al.
patent: 4881110 (1989-11-01), Braatz et al.
A. Kiessling et al.; "An Incoherent-to-Coherent Optical Image Converter and its Application in Hybrid Optical Processors"; Fim/Fgan Research Institute, Germany; Jun. 1979.
Bleha et al.; "Optical-to-Optical Image Conversion with the Liquid Crystal Light Valve"; SPIE vol. 317 (1981) p. 179.

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