1
David G Pelka, William A Parkyn Jr: Multiple wavelength light processor. TIR Technologies, William W Haefliger, August 12, 1997: US05655832 (157 worldwide citation)

A radiant energy redirecting system, comprising at least two light-emitting sources, each emitting different frequency light; an optical cavity receiving light output from the sources, to mix therein, and act as a secondary emitter; a light receiver positioned to be illuminated by light from the sec ...


2
William A Parkyn Jr, David G Pelka: TIR lens for waveguide injection. TIR Technologies, William W Haefliger, September 15, 1998: US05806955 (153 worldwide citation)

A radiant energy redirecting system comprising a radiant energy transmitting body structure; the structure comprising multiple elements, each of which acts as a radiant energy redirecting module, having on its cross-sectional perimeter an entry face to receive incidence of the energy into the interi ...


3
William A Parkyn Jr, David G Pelka: Light extraction from LEDs with light pipes. Teledyne Lighting and Display Products, Kirkpatrick & Lockhart, May 6, 2003: US06560038 (146 worldwide citation)

A non-imaging optical coupler that is a figure of revolution combining a light-transmitting body defining a recessed input cavity, a transparent droplet-shaped encapsulant of a light-emitting diode, or array of diodes in the cavity, the body having a curved side wall shaped to totally internally ref ...


4
Juan C Mi overscore, Pablo Benitez, William A Parkyn Jr, Waqidi Falicoff: Optical device for repositioning and redistributing an LEDs light. Light Prescriptions Innovators, Thomas F Lebens, Sinsheimer Schiebelhut & Baggett, April 4, 2006: US07021797 (133 worldwide citation)

An optical device is for spatially displacing the output of a light-emitting diode (LED) and coupling the output to a predominantly spherical emission pattern produced at a useftul height above the LED. The device is made of a transparent dielectric material, such as an injection-molded plastic. It ...


5
Vladimir Medvedev, William A Parkyn Jr: Beam-forming lens with internal cavity that prevents front losses. TIR Technologies, William W Haefliger, May 26, 1998: US05757557 (125 worldwide citation)

A device for directing light longitudinally forwardly, that comprises a lens body having a front face facing forwardly, rearward body extent, and a curved sidewall extending between the rearward body extent and the front face; a rear cavity in the body, the cavity having a sidewall and a front wall ...


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William A Parkyn Jr, David G Pelka, John M Popovich: Faceted totally internally reflecting lens with individually curved faces on facets. TIR Technologies, William W Haefliger, April 11, 1995: US05404869 (117 worldwide citation)

A radiant energy redirecting system comprising a radiant energy transmitting body structure; the structure comprising multiple elements, each of which acts as a radiant energy redirecting module, having on its cross-sectional perimeter an entry face to receive incidence of the energy into the interi ...


8
William A Parkyn Jr: Illuminating lens designed by extrinsic differential geometry. Teledyne Lighting and Display Products, William W Haefliger, July 20, 1999: US05924788 (115 worldwide citation)

An illumination system with a prescribed output pattern comprising a light source and an optical lens redirecting the light of the source into an output beam, the lens with multiple surfaces at least one of which has a shape that is not a surface of revolution, the shape generated by the following m ...


9
William A Parkyn Jr: Illuminating lens designed by extrinsic differential geometry. Teledyne Lighting and Display Products, William W Haefliger, August 14, 2001: US06273596 (114 worldwide citation)

A grid defining illumination cells having areas to pass light from a source for use in generation of a lines, wherein the grid is defined by first lines extending about one axis defined by the source, and second lines emanating from the axis to intersect first lines, each cell having four edges defi ...


10
Julio C Chaves, Waqidi Falicoff, Juan C MiƱano, Pablo Benitez, Oliver Dross, William A Parkyn Jr, Roberto Alvarez: Optical manifold for light-emitting diodes. Light Prescriptions Innovators, Drinker Biddle & Reath, October 23, 2007: US07286296 (113 worldwide citation)

An optical manifold for efficiently combining a plurality of LED outputs into a single, substantially homogeneous output, in a small, cost-effective package. The optical manifolds can be used to combine multiple LEDs of the same color and provide a high intensity output aperture with very high unifo ...