Method for printing a black border for a color filter
AssigneeCorning Incorporated
InventorRonald E. Johnson
Life of this patent
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Abstract
A method and apparatus for making color filters for liquid crystal display panels. A transfer layer is formed on a collector roll, and a raised pattern corresponding to the desired black matrix pattern is formed on the transfer layer by embossing. A plurality of colored ink patterns is formed in the appropriate location within the boundaries formed by the raised pattern, thereby forming the multicolor image that will become the color filter. This multicolored image is then transferred to the substrate. Preferably, the inks are deposited into the black matrix pattern using typographic imaging pins which are smaller than the cells of the black matrix pattern.
Claims22
A method for making a border for a color filter, comprising:
- forming a pattern of recesses on a substrate, said pattern of recesses corresponding to a desired black border area;
- and
- depositing a filler ink into said recesses to form said border.
Dependencies are inferred from the claim text.