18518082. SYSTEMS AND METHODS FOR LOCAL DIMMING IN MULTI-MODULATION DISPLAYS simplified abstract (Dolby Laboratories Licensing Corporation)

SYSTEMS AND METHODS FOR LOCAL DIMMING IN MULTI-MODULATION DISPLAYS

Organization Name

Dolby Laboratories Licensing Corporation

Inventor(s)

Jerome Shields of Conroe TX (US)

Martin J. Richards of Gig Harbor WA (US)

Juan P. Pertierra of Fishers IN (US)

SYSTEMS AND METHODS FOR LOCAL DIMMING IN MULTI-MODULATION DISPLAYS - A simplified explanation of the abstract

This abstract first appeared for US patent application 18518082 titled 'SYSTEMS AND METHODS FOR LOCAL DIMMING IN MULTI-MODULATION DISPLAYS

Simplified Explanation

The abstract describes a patent application for a dual and multi-modulator projector display system. The system includes a light source, a controller, a first modulator rendering a halftone image, a blurring optical system, and a second modulator rendering a pulse width modulated image for projection.

• Explanation of the patent/innovation:

- Light source provides illumination for the system. - Controller manages the operation of the modulators. - First modulator creates a halftone image of the input image. - Blurring optical system blurs the halftone image with a Point Spread Function. - Second modulator renders a pulse width modulated image for projection.

• Potential applications of this technology:

- High-quality projector displays for home entertainment systems. - Advanced visualization systems for medical imaging. - Enhanced display solutions for virtual reality and augmented reality applications.

• Problems solved by this technology:

- Improved image quality through halftone rendering and modulation techniques. - Correcting misalignment between modulators for accurate image projection. - Continuous calibration for long-term image enhancement.

• Benefits of this technology:

- Enhanced image sharpness and clarity. - Versatile display capabilities for various applications. - Long-term reliability and performance consistency.

• Potential commercial applications of this technology:

- Consumer electronics industry for high-end projectors. - Healthcare sector for advanced medical imaging displays. - Entertainment industry for immersive visual experiences.

• Possible prior art:

- Prior art may include traditional projector display systems with single modulators. - Previous patents related to image rendering and modulation techniques in display technology.

Questions:

1. How does the blurring optical system improve the final projected image quality? 2. What specific industries or sectors could benefit the most from this dual and multi-modulator projector display system technology?

Original Abstract Submitted

Dual and multi-modulator projector display systems and techniques are disclosed. In one embodiment, a projector display system comprises a light source; a controller, a first modulator, receiving light from the light source and rendering a halftone image of said the input image; a blurring optical system that blurs said halftone image with a Point Spread Function (PSF); and a second modulator receiving the blurred halftone image and rendering a pulse width modulated image which may be projected to form the desired screen image. Systems and techniques for forming a binary halftone image from input image, correcting for misalignment between the first and second modulators and calibrating the projector system—e.g. over time—for continuous image improvement are also disclosed.