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:
May. 27, 2025
Filed:
Nov. 13, 2023
The Boeing Company, Arlington, VA (US);
Steven Thomas Beetz, St. Louis, MO (US);
Michael Vincent Rohr, High Ridge, MO (US);
Harold R. Streid, St. Louis, MO (US);
The Boeing Company, Arlington, VA (US);
Abstract
Generating luminance uniformity in a rear projection display system is provided. The method comprises calculating luminance generated by a projector on a rear projection screen relative to a design eye position in front of the screen. A baseline luminance is determined for each primary color according to the luminance. Luminance of all locations on the screen is corrected toward the baseline. Correction is allocated between an optical filter and electronic correction. Luminance is measured at calibration points on the screen. The electronic correction for a color image is adjusted according to the allocation and the luminance at the calibration points to produce a corrected color image for projection from the projector. The corrected color image is projected from the projector and through the optical filter. The optical filter is configured to dim specified areas within the corrected color image according to the allocation.