Liquid crystal projector with non-uniform lenslet arrays

A liquid crystal projector comprises a light source 4, a first lenslet array 6 comprising a plurality of first lenslets, a second lenslet array 14 comprising a plurality of second lenslets and being con-focal with said first lenslet array 6, and at least one liquid crystal panel 26, 30, 36, wherein...

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Bibliographic Details
Main Authors MICHAEL GERAINT ROBINSON, DUNCAN JAMES ANDERSON, JASON SLACK
Format Patent
LanguageEnglish
Published 23.02.2000
Edition7
Subjects
ACCESSORIES THEREFOR
APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM
CINEMATOGRAPHY
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
ELECTROGRAPHY
FREQUENCY-CHANGING
HOLOGRAPHY
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICAL LOGIC ELEMENTS
OPTICS
PHOTOGRAPHY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Summary:A liquid crystal projector comprises a light source 4, a first lenslet array 6 comprising a plurality of first lenslets, a second lenslet array 14 comprising a plurality of second lenslets and being con-focal with said first lenslet array 6, and at least one liquid crystal panel 26, 30, 36, wherein at least some of said first and second lenslets are non-identical with each other. A polarising array 18 is also present.
Bibliography:Application Number: GB19980017328