ILLUMINATION UNIT, OPTICAL ENGINE, AND IMAGE PROJECTION DEVICE
PROBLEM TO BE SOLVED: To provide an illumination unit that can suppress an error in position of a group of optical elements with respect to an image creation element.SOLUTION: An illumination unit 20 comprises: a group of optical elements 22 to 25 that form a light path for guiding light from a ligh...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | English Japanese |
Published |
09.03.2017
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Subjects | |
Online Access | Get full text |
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