Light diffuser for laser beam scanning display

A light beam scanning system, comprising:

• a light transmitter configured to generate a plurality of pixel light beams corresponding to an image and transmit the plurality of pixel light beams on an optical path;
• a two-dimensional (2D) scanner arranged on the optical path, wherein the 2D scanner is configured to receive the plurality of pixel light beams from the light transmitter and steer the plurality of pixel light beams along the optical path according to a 2D scanning pattern;
• and
• a diffuser screen arranged on the optical path downstream from the 2D scanner, wherein the diffuser screen is configured to receive the plurality of pixel light beams from the 2D scanner and expand a beam width of each pixel light beam of the plurality of pixel light beams to generate a plurality of divergent pixel light beams,
• wherein the 2D scanner is configured to scan the plurality of pixel light beams onto the diffuser screen according to the 2D scanning pattern,
• wherein the diffuser screen comprises a microlens array comprising a plurality of microlenses arranged in a first 2D array,
• wherein the diffuser screen comprises a polarization mask comprising a polarization array,
• wherein the polarization array comprises a plurality of polarization components arranged in a second 2D array that is matched with the first 2D array,
• wherein the plurality of polarization components comprises a first subset of polarization components each having a first polarization and a second subset of polarization components each having a second polarization that is perpendicular to the first polarization, and
• wherein the first subset of polarization components and the second subset of polarization components are intermixed in a checkered pattern.