发明名称 ILLUMINATION DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE USING THIS
摘要 <P>PROBLEM TO BE SOLVED: To provide an illumination device in which the illumination device of a thin type is obtained, a light utilization rate and sufficient brightness can be obtained, and brightness distribution is uniform, and a liquid crystal display device using the device at a low cost. <P>SOLUTION: In a direct illumination device 1 composed of a plurality of linear light sources 7 arranged in parallel, the respective linear light sources 7 are covered in the whole width of the longitudinal direction with a brightness adjustment part 8 composed of a transparent resin, a face opposed to the linear light sources 7 of the brightness adjustment part is constituted of a first recessed part of the same nearly semicircular shape as the linear light source 7 in cross section, and a face opposed to a diffusion plate 5 is constituted of a second recessed part of an inverse-triangular shape in cross section. <P>COPYRIGHT: (C)2008,JPO&INPIT
申请公布号 JP2007287479(A) 申请公布日期 2007.11.01
申请号 JP20060113575 申请日期 2006.04.17
申请人 SHARP CORP 发明人 KUBO TOMOKI
分类号 F21S2/00;F21Y103/00;G02F1/13357 主分类号 F21S2/00
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