发明名称 LIQUID CRYSTAL DISPLAY DEVICE
摘要 PURPOSE:To eliminate the contacting between a transparent plate or diffusion plate and a liquid crystal panel and to prevent a mottled pattern from being formed on a screen by forming a fine projection and recess surface on the transparent of diffusion plate on the side opposite the liquid crystal panel. CONSTITUTION:Polarizing plates 1a and 1b have smooth surfaces as their top surfaces. The diffusion plate 2 which diffuses reflected light from a reflecting plate or light from a light source for backlighting and a front plate 3 which protects the front surface as the liquid crystal display surface of a liquid crystal panel 1 are arranged on the top and reverse surfaces of the liquid crystal panel 1 at a specific interval so that the liquid crystal panel 1 is sandwiched. Further, mat or serration working is carried out on the surface of the diffusion plate 2 on the side of the liquid crystal panel 1 to form the fine projection and recess surface which is a roughened surface. Consequently, the diffusion plate 2 or front plate 3 facing the liquid crystal panel 1 and the liquid crystal panel 1 do not contact each other even if deforming owing to temperature variation or external force, and no mottled pattern is formed on the screen of the liquid crystal panel.
申请公布号 JPS6326624(A) 申请公布日期 1988.02.04
申请号 JP19860170106 申请日期 1986.07.18
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 IKEDA HISAO
分类号 G09F9/00;G02F1/133;G02F1/1333;G02F1/1335;H04N5/66 主分类号 G09F9/00
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