ILLUMINATION OPTICAL SYSTEM, IMAGE DISPLAY DEVICE AND PRODUCTION METHOD, AND ILLUMINATION POSITION ADJUSTMENT METHOD
PROBLEM TO BE SOLVED: To provide an illumination optical system, an image display device and a production method of the same, and an illumination position adjustment method with which the position of illumination light can be accurately adjusted relative to image forming means.SOLUTION: An illuminat...
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Format: | Patent |
Sprache: | eng ; jpn |
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