公开(公告)号：US20150168820A1

公开(公告)日：2015-06-18

申请号：US14633329

申请日：2015-02-27

Applicant: CASIO COMPUTER CO. LTD.

Inventor： Hideyuki KUROSAKI

IPC: G03B21/20 ,  F21V13/02 ,  F21K99/00 ,  F21V9/16

CPC classification number: G03B21/204 ,  F21K9/64 ,  F21V9/30 ,  F21V13/02 ,  F21Y2101/00 ,  F21Y2115/10 ,  F21Y2115/30 ,  G02B27/0961 ,  G03B21/14 ,  G03B21/2033 ,  G03B21/208

Abstract: To provide a projector which enables a stable projection for a long period of time, there is provided a projector comprising a light source unit, a display device, a projection-side optical system, a light guiding optical system and a projector control unit, wherein the light source unit comprises an excitation light source unit comprising an excitation light source and a microlens array and a rectangular green luminescent plate which receives light emitted from the excitation light source to emit light in a green wavelength band, and the microlens array is disposed between the excitation light source and the luminescent plate and has a plurality of micro convex lenses which each have a similar shape to the shape of the luminescent material layer are arranged into a matrix, so as to convert light from excitation light source into a plurality of pencils of light to shine them onto the luminescent plate.

Abstract translation: 为了提供能够长时间稳定投影的投影仪，提供了一种投影仪，其包括光源单元，显示装置，投影侧光学系统，导光光学系统和投影仪控制单元，其中 光源单元包括激发光源单元，该激发光源单元包括激发光源和微透镜阵列，以及接收从激发光源发射的光以发射绿色波长带的光的矩形绿色发光板，并且微透镜阵列设置在 激发光源和发光板并且具有多个与发光材料层的形状相似形状的微凸透镜被布置成矩阵，以便将来自激发光源的光转换成多个铅笔 的光线将它们照射到发光板上。