Patent · US Active

Apparatus, system, and method for displaying an image using a plate

US10409079B2 · kind B2 · utility

3Cited by

116References

22Claims

0Family size

Assignee

Avegant Corp. · US

Inventors

D. Scott Dewald · Dallas, US
Allan Thomas Evans · Richland, US
Chris Westra · Redwood City, US
Warren Cornelius Welch, III · Foster City, US
Andrew John Gross · Redwood City, US

Key dates

Filing date	May 19, 2015
Grant date	Sep 10, 2019
Priority date	—
Expiry date	May 19, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG02B2027/0178
WIPO fieldOptics
WIPO sectorInstruments

Abstract

An apparatus (110), system (100), and method (900) for displaying an image (880). Instead of using an expensive configuration of prisms (310) such as TIR prisms (311) or RTIR prisms (312) to direct light (800) to and from a DMD (324), a plate (340) with transmissive (374), reflective (372), and/or polarization (373) characteristics is used. The plate (340) can be implemented in a wide variety of different embodiments using a wide variety of different components and configurations.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.