Colored microlens array and method of manufacturing same

Details Colored microlens array and method of manufacturing same Colored microlens array and method of manufacturing same

1993-01-27

1995-11-14

Allen, Stephone B.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

359316, H01J 314

Patent

active

054669260

ABSTRACT:
A colored microlens array which functions as both a color filter array of different color filter layers and transparent microlenses. The colored microlens array has a transparent basic layer and a plurality of colored microlenses of different colors formed on the transparent basic layer in two dimensional arrangement in accordance with at least one basic color arrangement pattern. The colored microlenses are manufactured by forming semispherical lens forming layer portions on the respective color filter layers of the color filter array and by etching the color filter layers with the formed semispherical lens forming layer portions as a mask, to change in shape the respective color filter layers into the semispherical lenses, respectively. The colored microlenses are applied to solid-state image sensing devices, color liquid crystal display units, etc.

REFERENCES:
patent: 4667092 (1987-05-01), Ishihara
patent: 5177637 (1993-01-01), Tsukada

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