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US 12,007,571 B2Granted
Suppression of stray light in head worn computing
AssigneeMentor Acquisition One, LLC
InventorJohn N. Border
Life of this patent
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Abstract
Aspects of the present invention relate to suppression of stray light in head worn computing.
Claims12
A method, comprising:
- receiving image light;
- reflecting a first portion of the image light via an angled partially reflective surface toward an eye of a user of a wearable head device;
- receiving environmental light via a combiner;
- transmitting, via the combiner, the environmental light toward the angled partially reflective surface;
- receiving, at a filter, a second portion of the image light, via the angled partially reflective surface;
- and
- absorbing, via the filter, the second portion of the image light, wherein:
- the image light comprises image light of a first wavelength;
- and
- the filter comprises a notch filter, the notch filter configured to selectively absorb the image light of the first wavelength.
7 more elements
A wearable head device comprising:
- an image source configured to produce image light;
- an angled partially reflective surface configured to receive the image light and reflect a first portion of the image light toward an eye of a user of the wearable head device;
- and
- a combiner configured to receive environmental light and transmit the environmental light toward the angled partially reflective surface;
- and
- a filter configured to absorb a second portion of the image light, wherein the second portion of the image light is received via the angled partially reflective surface, wherein:
- the image light comprises image light of a first wavelength;
- and
- the filter comprises a notch filter, the notch filter configured to selectively absorb the image light of the first wavelength.
6 more elements
Dependencies are inferred from the claim text.