Google llc (20240103270). OPTICAL COMBINERS WITH IMPROVED EFFICIENCY AND UNIFORMITY simplified abstract

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OPTICAL COMBINERS WITH IMPROVED EFFICIENCY AND UNIFORMITY

Organization Name

google llc

Inventor(s)

Shreyas Potnis of Kitchener (CA)

Timothy Paul Bodiya of Toronto (CA)

OPTICAL COMBINERS WITH IMPROVED EFFICIENCY AND UNIFORMITY - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240103270 titled 'OPTICAL COMBINERS WITH IMPROVED EFFICIENCY AND UNIFORMITY

Simplified Explanation

The patent application describes systems, devices, and methods for directing display light using optical combiners with recycle optics such as diffraction gratings to efficiently utilize wasted display light and produce a more uniform display.

  • Optical combiners with recycle optics like diffraction gratings are used to redirect wasted display light towards other optics for effective use in producing a display.
  • The optical combiners also include a uniformization optic to redistribute non-uniform display light, resulting in a more uniform display and enabling the use of higher efficiency optics.

Potential Applications

This technology could be applied in:

  • Projection systems
  • Head-up displays
  • Augmented reality devices

Problems Solved

  • Efficient use of wasted display light
  • Production of a more uniform display

Benefits

  • Higher efficiency in display production
  • Improved visual quality
  • Cost savings in optics usage

Potential Commercial Applications

Optimizing display systems for various industries such as:

  • Entertainment
  • Automotive
  • Aerospace

Possible Prior Art

Prior art may include:

  • Optical combiners with recycle optics
  • Uniformization optics in display systems

Unanswered Questions

How does this technology impact energy consumption in display systems?

This article does not address the specific energy-saving benefits of using optical combiners with recycle optics in display systems.

What are the limitations of using diffraction gratings in redirecting wasted display light?

The article does not discuss any potential drawbacks or limitations of employing diffraction gratings for this purpose.


Original Abstract Submitted

systems, devices, and methods for directing display light employ one or more optical combiners that include recycle optics such as diffraction gratings, which can receive wasted display light travelling in a volume of an optical combiner, and redirect the wasted display light towards other optics so the wasted display light may be effectively used to produce a display. the optical combiners may also include a uniformization optic which can redistribute non-uniform display light, to produce a more uniform display, which in turn enables higher efficiency optics to be used.