| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light diffusion sheet which is capable of enhancing heat resistance, thermal dimensional stability and weather resistance while retaining transparency and which is less liable to sag, yellowing or the like even under heat generated by a lamp or ultraviolet ray irradiation, and to provide a backlight unit which reduces luminance nonuniformity by using the light diffusion sheet. <P>SOLUTION: A light diffusion sheet 1 is provided with a transparent base layer 2 and a light diffusion layer 3 stacked on the front surface of the base layer 2. The light diffusion layer 3 contains a light diffusion agent 5 in its binder 4. The binder 4 is formed of a polymeric composition containing polyester polyol or acrylic polyol and a minute inorganic filler, wherein the average particle size of the minute inorganic filler is 5 nm to 50 nm. <P>COPYRIGHT: (C)2004,JPO |
