首页> 外国专利> A spatial filer for removing inherent grid pattern produced by image pixel of Light projection type micro display

A spatial filer for removing inherent grid pattern produced by image pixel of Light projection type micro display

机译:用于去除由投光式微型显示器的图像像素产生的固有网格图案的空间滤镜

摘要

PURPOSE: An optical projection type micro-display having a spatial filter for eliminating a pixel grid pattern is provided to remove the pixel grid pattern that is generated by a conductor wire for controlling liquid crystal display of a liquid crystal screen. CONSTITUTION: An optical projection type micro-display having a spatial filter(40) for eliminating a pixel grid pattern includes a liquid crystal screen, a video signal output part, a lighting device, a plurality of lenses, and a spatial filter. The liquid crystal screen is constructed in a manner that a plurality of conductor wires to which voltage is applied to control liquid crystal are arranged in a grid structure. The video signal output part generates a video signal to the liquid crystal screen. The lighting device illuminates the back of the liquid crystal screen. The lenses transmit, magnify and reduce an image of the liquid crystal screen to focus the image on a screen. The spatial filter has four optical stoppers(42,43) and is located on the focal plane of one of the lenses to block lights of low-frequency regions of X- and Y-axes other than the center point of the projected image.
机译:用途:一种光学投影型微型显示器,其具有用于消除像素网格图案的空间滤波器,以去除由用于控制液晶屏幕的液晶显示的导线产生的像素网格图案。构成:一种具有用于消除像素网格图案的空间滤波器(40)的光学投影型微型显示器,包括液晶屏,视频信号输出部分,照明装置,多个透镜和空间滤波器。液晶屏幕以如下方式构造:将施加有电压以控制液晶的多根导线布置成网格结构。视频信号输出部分将视频信号生成到液晶屏幕。照明装置照亮液晶屏幕的背面。透镜透射,放大和缩小液晶屏幕的图像,以将图像聚焦在屏幕上。该空间滤光器具有四个光学挡块(42,43),位于透镜之一的焦平面上,以阻挡X轴和Y轴低频区域(而不是投影图像的中心点)的光线。

著录项

  • 公开/公告号KR100388914B1

    专利类型

  • 公开/公告日2003-06-25

    原文格式PDF

  • 申请/专利权人

    申请/专利号KR20000052071

  • 发明设计人 이종수;

    申请日2000-09-04

  • 分类号H04N5/74;

  • 国家 KR

  • 入库时间 2022-08-21 23:45:17

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