| 摘要 |
PURPOSE: An information display device for car window glass is provided to conveniently control the size of a travel information image projected on the car window glass without the replacement of a lens. CONSTITUTION: A plurality of reflecting mirrors(22, 24) is successively arranged. The plurality of reflecting mirrors successively reflects a travel information image displayed on a liquid crystal panel(10) according to a specific route. Projecting lenses(30, 32) magnifies or reduces the travel information image reflected from the plurality of reflecting mirrors. The projecting lenses control the focus of the travel information image and project it on car window glass. An image size controlling unit controls the size of the travel information image projected on the car window glass.
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