PROBLEM TO BE SOLVED: To provide an image forming apparatus that can reduce its size without sacrificing an increase in luminance and size of a screen.SOLUTION: The present image forming apparatus comprises an optical scanner that two-dimensionally deflects a light beam emitted from a light source element and forms a two-dimensional image on a scanning target surface having transparency, and a projection optical system that enlarges and projects the two-dimensional image on a projection target surface. The projection target surface is a reflection surface of a semi-transmissive mirror that is externally provided to transmit a part of visible light and reflects a part thereof; the scanning target surface is a diffuser panel that diffuses incident light on its travel direction; the cross-sectional shape of the light diffused on the diffuser panel is oval.SELECTED DRAWING: Figure 7
【課題】高輝度化や大画面化を犠牲にすることなく小型化を実現できる画像形成装置を提供すること。【解決手段】本画像形成装置は、光源素子から出射される光束を光偏向器で2次元的に偏向し、透過性を有する被走査面に2次元像を形成する光走査装置と、前記2次元像を被投射面に拡大投射する投射光学系と、を有し、前記被投射面は、外部に設けられた、可視光の一部を透過し一部を反射する半透過鏡の反射面であり、前記被走査面は、入射光をその進行方向側に拡散させる拡散板であり、前記拡散板で拡散された光の断面形状が楕円である。【選択図】図7
IMAGE FORMING APPARATUS, AND VEHICLE HAVING IMAGE FORMING APPARATUS MOUNTED THEREON
画像形成装置、画像形成装置を搭載した車両
2017-08-17
Patent
Electronic Resource
Japanese
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