IP Library › Granted Patent US 12,271,060
Granted Patent B2
US 12,271,060 · App. 18/328,543 · Granted Apr 8, 2025

Ophthalmic lens with graded microlenses

Inventors: Michael Marshall (Andover, MN); José A. Orozco Rodriguez (Saint Paul, MN); Richard Blacker (Lino Lakes, MN)
Assignee: HOYA Optical Labs of America, Inc.
G02C7/06G02B3/0043G02C7/022G02B3/0012G02C2202/16
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Quick Facts
Patent No.
US 12,271,060
App. No.
18/328,543
Granted
Apr 8, 2025
Kind
B2
Abstract

An ophthalmic lens incorporating an array of microlenses.

Claims (15)

1. A method for forming a spectacle lens comprising:

providing a front mold surface that forms a front surface of a base lens;

providing a back mold surface that forms a back surface of a base lens;

forming microlenses on at least one of the front mold surface and the back mold surface;

molding the base lens between the front mold surface and the back mold surface; and,

thereby producing a base lens with plurality of microlenses molded directly on at least one of the front surface and the back surface of the base lens.

2. The method according to claim 1 , wherein molding the base lens comprises cast molding the base lens.

3. The method according to claim 1 , wherein molding the base lens comprises injection molding the base lens.

4. The method according to claim 1 , wherein the microlenses have the same optical surface geometry as one another.

5. The method according to claim 1 , wherein the microlenses are formed uniformly over a portion or over an entirety of the front surface.

6. The method according to claim 1 , wherein the base lens is formed to be a single vision lens with a low-frequency curve.

7. The method according to claim 1 , wherein the microlenses are formed by direct machining.

8. The method according to claim 1 , wherein the microlenses are formed by mechanical etching.

9. The method according to claim 1 , wherein the microlenses are formed in a pattern of concentric rings.

10. The method according to claim 1 , wherein some of the microlenses have different power than other microlenses.

Continuity (5)
Continuation 17461780 · Aug 30, 2021
Continuation 16503272 · Jul 3, 2019
Continuation 15130831 · Apr 15, 2016
Provisional Application 62148102 · Apr 15, 2015
Related Publication 20230305319A1 · Sep 28, 2023
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