Multiple light source configuration

Patent metadata

Field	Value
Publication number	US-11740449-B2
Application number	US-202217744711-A
Country	US
Kind code	B2
Filing date	May 15, 2022
Priority date	Apr 21, 2020
Publication date	Aug 29, 2023
Grant date	Aug 29, 2023

Abstract

A lighting device comprising a plurality of lighting modules arranged concentrically about an optical axis is disclosed wherein the plurality of lighting modules emit light in at least one of a plurality of wavelength ranges (UV, visible (e.g., blue, green, yellow, orange, red, white, etc.), IR) and are arranged at a non-parallel angle to an optical axis of the lighting device, wherein the emitted light is directed towards a lens system that focuses the light onto a viewing point. A second lighting device is disclosed, wherein the lighting device comprises a plurality of lighting modules arranged concentrically about an inner circumference of the lighting device, wherein the plurality of lighting modules emit light in at least one of a plurality of wavelength ranges (UV, visible (e.g., blue, green, yellow, orange, red, white, etc.), IR) onto a lighting director device that redirects the emitted light toward a lens system that focuses the light onto a viewing point.

First claim

What is claimed is:

1. A head-mounted device for providing directing light toward an object, said device comprising:
a light assembly comprising:
at least one housing, each of said at least one housings comprising:
at least one objective lens arranged on a first side is said housing, said at least one objective lens forming an optical axis substantially perpendicular to said at least one objective lens; and
a plurality of lighting elements arranged about an inner circumference of said housing, said plurality of lighting elements configurated to emit said light;

a light director extending from a base element of each of said at least one housing, said light director comprising a plurality of reflective surface joined at an apex having an angle greater than 90 degrees, wherein said angle of said apex is determined to direct said light emitted by said plurality of lighting elements toward a known region on said at least one objective lens along said optical axis; and
an electronic circuit configurated to:
apply a voltage to said plurality of lighting elements; and

a head-borne device configured to attach to a user's head, wherein said light assembly is configured to:
attach to said head-borne device.

2. The device of claim 1 , wherein selected ones of said plurality of lighting elements comprise:
at least one light emitting diode;
a dome lens, wherein said light emitting diode is positioned within a focal length of said dome lens.

3. The device of claim 2 , further comprising:
at least one of: an aperture holder comprising an aperture holder passthrough, and an aperture positioned within the aperture holder, said aperture comprising an aperture passthrough.

4. The device of claim 3 , wherein said aperture passthrough is sized to prevent said light emitting diode to passthrough.

5. The device of claim 1 , wherein said plurality of lighting elements in at least one of said at least one housing comprises:
a first set of lighting elements; and
a second set of lighting element, wherein said first set lighting elements emit said light in a first wavelength band and said second set of lighting elements emit said light within a second wavelength band.

6. The device of claim 5 , wherein said first wavelength band and said second wavelength band are one of: overlapping bands and disjoint bands.

7. The device of claim 5 , wherein said first set of lighting elements and said second set of lighting elements are within a same plane substantially perpendicular to said optical axis.

8. The device of claim 5 , wherein said first set of lighting elements is in a first plane substantially perpendicular to said optical axis and said second set of lighting element is in a second plane substantially perpendicular to said optical axis.

9. The device of claim 1 , wherein said plurality of lighting elements emit said light in at least one of: an ultra-violet wavelength range, a visible wavelength range and an infra-red wavelength range, wherein said visible wavelength range comprises at least one of: a blue light wavelength range, a green light wavelength range, a yellow light wavelength range, an orange wavelength range, a red-light wavelength range and a white wavelength range.

10. The device of claim 1 , wherein said angle of said apex of said light director is based on an orientation of said plurality of lighting elements with respect to said optical axis.

Assignees

• Designs For Vision

Inventors

• Feinbloom Richard E
• Giordano Carl A

Classifications

• F21Y2113/30

  of visible and non-visible spectrum · CPC title

• G02B25/02 Primary

  with means for illuminating object viewed · CPC title

• A61B5/0017

  transmitting optical signals · CPC title

• A61B5/0077

  Devices for viewing the surface of the body, e.g. camera, magnifying lens · CPC title

• A61B5/7225

  Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation (input circuits for detecting, measuring, or recording bioelectric or biomagnetic signals A61B5/30; specific diagnostic methods using bioelectric or biomagnetic signals A61B5/316) · CPC title