Head-up display
专利汇可以提供Head-up display专利检索，专利查询，专利分析的服务。并且PURPOSE:To form a hologram in one layer and to reduce the size of a fixed symbol plate, and to facilitate the manufacture of a display by irradiating the hologram and reproduce fixed symbols, and superposing its reproduced light upon symbol light transmitted through the fixed symbol plate. CONSTITUTION:Reference light 903 passes through a mirror 92B, a mirror 92C, and a condenser lens 96 in order and radiates a hologram medium 55 from the side (back) of the glass substrate 51 of the fixed symbol dry plate 54. Object light 902, on the other hand, passes through a mirror 92A and a condenser lens 93 and then passes through a diffusion plate 94 and an optical reticle 95 arranged for optical processing, and illuminates the hologram medium 55 from the top side of the dry plate 54. Consequently, interference fringes are recorded on the medium 55 according to the interference between the object light 902 and reference light 903 and then the fringes are developed and fixed to obtain the hologram. This combiner 50 is fitted to the head-up display and when the hologram 52 is irradiated with light 61 emitted by a light source 670, the fixed symbols are reproduced as a result.，下面是Head-up display专利的具体信息内容。
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2 立体显示装置
