Color filter structure and method of making

Details Color filter structure and method of making Color filter structure and method of making

1997-01-13

1999-09-21

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

430 7, G02F 11335

Patent

active

059545593

ABSTRACT:
An improved planar color filter structure to reduce defects in the display devices incorporating the color filter structures, including active matrix displays. A color filter substrate has a thicker polyamide black matrix formed thereon and a transparent polyamide layer formed over the black matrix. The transparent layer is exposed through the black matrix and developed to remove the unexposed portions over the black matrix. The resulting surface is substantially planar and facilitates the forming of the remaining layers to form a substantially planar color filter structure.

REFERENCES:
patent: 5689318 (1997-11-01), Matsuyama et al.
patent: 5695690 (1997-12-01), Swirbel et al.
patent: 5719074 (1998-02-01), Hawkins et al.

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