Back to results
US 7,352,511 B2Granted
Micro-lenses for imagers
AssigneeMicron Technology, Inc.
InventorsUlrich C. Boettiger, Jin Li
Life of this patent
Estimating the term…
Abstract
A micro-lens and a method for forming the micro-lens is provided. A micro-lens includes a substrate and lens material located within the substrate, the substrate having a recessed area serving as a mold for the lens material. The recessed can be shaped such that the lens material corrects for optical aberrations. The micro-lens can be part of a micro-lens array. The recessed area can serve as a mold for lens material for the micro-lens array and can be shaped such that the micro-lens array includes arcuate, non-spherical, or non-symmetrical micro-lenses.
Claims13
An imager, comprising:
- a plurality of pixel cells each having a photosensor;
- a plurality of color filters respectively associated with said pixel cells;
- and
- a micro-lens array including a plurality of micro-lenses each associated with one of said pixel cells, each micro-lens having a focal point,
- wherein the focal points of the micro-lenses change across the micro-lens array.
2 more elements
Dependencies are inferred from the claim text.