Dolby Laboratories Licensing Corporation

The University of British Columbia

York University

Wolfgang Stuerzlinger

Lorne Arthur Whitehead

Helge Seetzen

Gregory John Ward

Chun Chi Wan

Don Graham

Greg Ward

Chun-Chi Wan

A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from a light source comprising an array of controllable light-emitters. The controllable-emitters and elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

Image display

A locally dimmed display has a spatial light modulator illuminated by a light source. The spatial light modulator is illuminated with a low resolution version of a desired image. The illumination may comprise a series of lighting elements that vary smoothly from one element to another at the spatial light modulator.

Projection displays

Display with red, green, and blue light sources

A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from an illuminator comprising an array of individually-controllable light sources. The light sources and elements of the light modulator may be controlled to adjust the intensity and frequency of light emanating from corresponding areas on the screen. The display may be calibrated to compensate for differences in intensities of the light sources.

Calibration of displays having spatially-variable backlight

Edge lit LED based locally dimmed display

Locally dimmed display

An edge lit locally dimmed display has a spatial light modulator illuminated by a light source. The light source is positioned at an edge and behind the spatial light modulator. The spatial light modulator is illuminated with a low resolution version of a desired image. The illumination may comprise a series of lighting elements that vary smoothly from one element to another at the spatial light modulator.

Edge lit locally dimmed display

HDR displays with dual modulators having different resolutions

Growing community of inventors

Toronto, Canada

Wolfgang Stuerzlinger