发明名称 Liquid crystal display device with light quantity control portion
摘要 In a liquid crystal display device, a light quantity control portion b 4a is formed to a dot shape by print or the like on a diffusion plate 4 interposed between lens sheets 3 and a light transmission member 5 on the side thereof near to a backlight source 8 composed of a cold cathode fluorescent lamp or the like. Since the dots of the light quantity control portion 4a have a light transmitting property to a certain extent, they reflect a part of the light from the backlight source 8 and permit the remaining light to pass therethrough. With this arrangement, there can be provided the liquid crystal display device capable of brightly and uniformly irradiating the entire surface of the effective display area of a liquid crystal panel from the backside thereof without emission lines.
申请公布号 US6313891(B1) 申请公布日期 2001.11.06
申请号 US19970985997 申请日期 1997.12.05
申请人 ALPS ELECTRIC CO., LTD. 发明人 NAGAKUBO HIDEAKI;YAMAZAKI MITSUAKI;MATSUBARA SATOSHI;KAKUTA RYOHEI
分类号 F21V8/00;G02B6/00;G02F1/13357;(IPC1-7):G02F1/133 主分类号 F21V8/00
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