Inventor

LI KENNETH K

US53 patents

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

LI KENNETH K

WAVIEN INC

Illumination system and method for recycling light to increase the brightness of the light source

Led illumination engine using a reflector

Lensed tapered optical waveguide

Light pipe based projection engine

Lensed tapered optical waveguide

Coupling of light from a non-circular light source

Light recovery for projection displays

Illumination engine for a projection display using a tapered light pipe

Polarization recovery system using redirection

Etendue efficient combination of multiple light sources

Illumination system using filament lamps

Compact dual ellipsoidal reflector (DER) system having two molded ellipsoidal modules such that a radiation receiving module reflects a portion of rays to an opening in the other module

Light pipe based projection engine

Multiple lamp illumination system

Light recovery for projection displays

Lensed tapered optical waveguide

Polarization recovery system for projection displays

LED illumination engine using a reflector

Polarization recovery system for projection displays

Polarization recovery system for projection displays

Polarization recovery system for projection displays

Polarization recovery system for projection displays

Polarization recovery system for projection displays

Lensed tapered optical waveguide

Polarization recovery system using light pipes

Method and apparatus for improving power handling capabilities of polymer fibers

Dual paraboloid reflector and dual ellipsoid reflector systems with optimized magnification

Illumination system using filament lamps

LCD display backlight system with improved color mixing and efficiency

COGENT LIGHT TECH

Polarization recovery system for projection displays

Coupling of light from a small light source for projection systems using parabolic reflectors

Surgical tool with surgical field illuminator

Coupling of light from a light source to a target using dual ellipsoidal reflectors

Optical system including coupling for transmitting light between a single fiber light guide and multiple single fiber light guides

Optical system for coupling light from a single fiber optic into a fiber bundle

Condensing and collecting optical system using parabolic reflectors or a corresponding ellipsoid/hyperboloid pair of reflectors

Light condensing and collecting systems using lensed light pipes

Temperature control for arc lamps

Folding an arc into itself to increase the brightness of an arc lamp

Optical system having retro-reflectors

Collecting and condensing optical system using cascaded parabolic reflectors

Coupling of high intensity light into low melting point fiber optics using polygonal homogenizers

Snap-in proximal connector for mounting an optic fiber element into a light source system

Method for coupling light from single fiberoptic to a multi-fiber bundle with enhanced field uniformity and better coupling efficiency

Snap-on connector system for coupling light from an illuminator to a fiber optic

Apparatus and method for coupling high intensity light into low temperature optical fiber

Light pipe light source with flux condensing light pipe

Device for coupling a high intensity point source to a fiber bundle

(unassigned)

Button-key/cylindrical-key alphabetizer

Pointing and/or directional control device for controlling the movement and positioning of an object