The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2019
Filed:
Jan. 19, 2018
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Robert Thomas Held, Seattle, WA (US);
Andrew Martin Pearson, Redmond, WA (US);
MICROSOFT TECHNOLOGY LICENSING, LLC, Redmond, WA (US);
Abstract
A scanned-beam display comprises an emitter configured to emit light of controlled variable intensity, a beam-steering optic configured to steer the light to a controlled variable beam position, and a drive circuit coupled operatively to the emitter and beam-steering optic. The drive circuit is configured to apply a signal to the beam-steering optic to move the beam position along a path of pixel positions, the path including a first pixel position at the center of the field-of-view and a second pixel position at the periphery of the field-of-view. The drive circuit is further configured to drive a series of current pulses through the emitter in synchronicity with the signal, to illuminate the first pixel position during a first interval and to equivalently illuminate the second pixel position during a second interval, the emitter being driven at a higher duty cycle during the second interval than during the first.