Sumitomo Chemical Company, Limited

Masao Morimoto

Noriyuki Hida

Provided is a composition which can be used for formation of an optical film having high quality and a high dichroic ratio even after the composition is stored for a predetermined period of time. The composition includes a compound represented by the general formula (A) and a compound represented by the general formula (B), wherein Rin the general formula (A) and Rin the general formula (B) are mutually different groups.R&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;R&#x2003;&#x2003;(A)R&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;N&#x2550;N&#x2014;Ar&#x2014;R&#x2003;&#x2003;(B)

Composition, and optical film including the composition

Provided is an optical film which has a maximum absorption at a wavelength in the range of 600 to 680 nm, has a high dichroic ratio, and is excellent in light resistance. The optical film includes: a polymer of a polymerizable liquid crystal compound; and a compound represented by the following general formula (1). 

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Osaka, Japan

Masao Morimoto