Color filter, method for producing the same, display apparatus, and electronic device therewith
AssigneeSeiko Epson Corporation
InventorsKazuaki Sakurada, Tomomi Kawase
Life of this patent
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Abstract
A color filter having a colored portion placed in each of a plurality of areas on a substrate, wherein the plurality of areas each have a light reflecting areas in which light entering the colored portion is reflected, and a light transmitting areas through which light entering the colored portion passes, and the light transmitting areas includes a recessed portions for adjusting an optical path length in the colored portion.
Claims13
A color filter comprising a substrate having a plurality of areas, each area having a colored portion thereon,
- wherein said plurality of areas each have a light reflecting area comprising a reflection layer in which light entering said colored portion is reflected, and a light transmitting area through which light entering said colored portion passes,
- wherein said light transmitting area includes a recessed portion for adjusting an optical path length in said colored portion, and
- wherein said plurality of areas are partitioned by banks formed on the substrate.
A method for producing a color filter comprising a substrate having a plurality of areas, each area having a colored portion thereon, said plurality of areas each having a light reflecting area in which light entering said colored portion is reflected and a light transmitting area through which light entering said colored portion passes, the method comprising the steps of:
- forming a reflection layer on the substrate;
- forming recessed portions in the light transmitting area on the substrate, and
- forming banks on the reflection layer, which partition said plurality of areas.
Dependencies are inferred from the claim text.