Colour filter for a colour liquid crystal display apparatus.
摘要
<p>The present invention relates to a colour filter comprising a light filtering substance. According to the invention the colour filter is characterised in that the light filtering substance comprises the result of the reaction of a binder polymer with a reactive dye. According to a preferred embodiment of the invention the colour filter is characterised in that the light filtering substance also comprises an organic pigment. The invention also relates to a method of manufacturing a colour filter as above comprising forming a light filtering substance on a substrate. According to the invention the method of manufacturing is characterised by the steps of depositing a solution of a binder polymer and a reactive dye on the substrate and heating the deposited solution so that the binder reacts with and bonds with the reactive dye thereby forming the light filtering substance. <IMAGE></p>
申请公布号
EP0531106(A1)
申请公布日期
1993.03.10
申请号
EP19920307954
申请日期
1992.09.02
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION;FUJI PHOTO FILM CO., LTD.