Inventor

WHITEHEAD LORNE A

CA133 patents

⚠️ This page may combine multiple inventors who share the name “WHITEHEAD LORNE A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WHITEHEAD LORNE A

UNIV BRITISH COLUMBIA

Passive high efficiency variable reflectivity image display device

Light guide employing multilayer optical film

Brightness enhancement film for backlit image displays

Total internal reflection prismatically interleaved reflective film display screen

Enhanced effective refractive index total internal reflection image display

High efficiency high intensity backlighting of graphic displays

Hollow light guide for diffuse light

Wide viewing angle reflective display

Color filtering and absorbing total internal reflection image display

Optical switching by controllable frustration of total internal reflection

Electrophoretic, high index and phase transition control of total internal reflection in high efficiency variable reflectivity image displays

Method and apparatus for controllable frustration of total internal reflection

Composite electrophoretically-switchable retro-reflective image display

Light guide employing multilayer optical film

High efficiency high intensity backlighting of graphic displays

Electrophoretic, dual refraction frustration of total internal reflection in high efficiency variable reflectivity image displays

Concentrating heliostat for solar lighting applications

Uniform light extraction from light guide, independently of light guide length

High efficiency prism light guide with confocal parabolic cross section

Elastomeric micro electro mechanical systems

High pressure low impedance electrostatic transducer

Superconducting alternating winding capacitor electromagnetic resonator

Elastomer membrane enhanced electrostatic transducer

Optical switching by controllable frustration of total internal reflection

Porous gas reservoir electrostatic transducer

DOLBY LAB LICENSING CORP

Apparatus for providing light source modulation in dual modulator displays

Projection displays

High dynamic range display devices

Calibration of displays having spatially-variable backlight

Edge lit locally dimmed display

HDR displays with individually-controllable color backlights

HDR displays having light estimating controllers

HDR displays and control systems therefor

HDR displays and control systems therefor

HDR displays with overlapping dual modulation

HDR displays having location specific modulation

MINNESOTA MINING & MFG

Prism light guide luminaire with efficient directional output

High efficiency reflector for directing collimated light into light guides

Method and apparatus for controlled emission of light from prism light guide

CANADIAN PATENTS DEV

Prism light guide luminaire

Lighting panel with opposed 45° corrugations

Prism light guide having surfaces which are in octature

WHITEHEAD LORNE A

Rapid image rendering on dual-modulator displays

Edge lit locally dimmed display

HDR displays with dual modulators having different resolutions

TIR SYSTEMS LTD

High aspect ratio light emitter having high uniformity and directionality

Non-reflective graphic surface

Apparatus for continuously controlled emission of light from prism light guide

CANADIAN PATENTS AND DEVELOPEM

Prism light guide luminaire

DOLBY LABORATORIES LICENSING CORP

Optical mixing and shaping system for display backlights and displays incorporating the same