1
PARKYN WILLIAM A: Compact led downlight with cuspated flux-redistribution lens. LIGHT PRESCRIPTIONS INNOVATORS, Cannuscio Robert E, April 15, 2010: WO/2010/042423 (9 worldwide citation)

A lighting device has a light source, a reflector dish with a central opening facing the light source, and a lens between the light source and the reflector dish. The lens is so arranged that light emitted from the source towards the central opening of the reflector dish is diffracted away from the ...


2
Parkyn William A Jr, Pelka David G, Popovich John M: Faceted totally internally reflecting lens with curved faces.. Tir Technologies, February 1, 1995: EP0636232-A1 (6 worldwide citation)

A radiant energy redirecting system comprising a radiant energy transmitting body structure (10) comprising multiple elements (11), each of which acts as a radiant energy redirecting module, having on its cross-sectional perimeter an entry face (12) to receive incidence of the energy into the interi ...


3
Parkyn William A Sr: Repairing sewer pipes.. Parkyn William A Sr, Parkyn Kathleen C, November 13, 1985: EP0161078-A1 (5 worldwide citation)

To repair a fractured sewer line (10) using a line sleeve (29) and an elastomer sleeve (34) around the liner sleeve (29), the liner sleeve (29) and the elastomer sleeve (34) are installed endwise in the sewer line (10) to locate the two sleeves (29, 34) in bridging relation with the fracture (13), a ...


4
Minano Juan Carlos, Benitez Pablo, Parkyn William A, Falicoff Waqidi, Munoz Fernando: Optical device for distribuiting radiant emission from a light emitter. Light Prescriptions Innovators, Minano Juan Carlos, Benitez Pablo, Parkyn William A, Falicoff Waqidi, Munoz Fernando, SAMPLES Kenneth H, December 2, 2004: WO/2004/104642 (5 worldwide citation)

An optical device (10) having a transfer section (11) that receives light within it, and an ejector section (12) that receives light from the transfer section (11) and emits the light in a substantially solid angle. The base of the transfer section is optically coupled to a light emitter (20) so tha ...


5
Chaves Julio C, Falicoff Waqidi, Minano Juan C, Benitez Pablo, Dross Oliver, Parkyn William A Jr, Alvarez Roberto: Optical manifold for light-emitting diodes. Light Prescriptions Innovators, Chaves Julio C, Falicoff Waqidi, Minano Juan C, Benitez Pablo, Dross Oliver, Parkyn William A Jr, Alvarez Roberto, BLANCO WHITE Henry, November 3, 2005: WO/2005/103562 (4 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 ...


6
Pelka David G, Parkyn William A, Popovich Michael J, Pelka Eric D: Lighting apparatus. Teledyne Lighting And Display Products, KIRKPATRICK Henry W Oliver Building 535 Smithfield Street Pittsburgh PA 15222 2312, February 1, 2001: WO/2001/007828 (4 worldwide citation)

An illumination apparatus (100) provides an output with high spatial uniformity of luminance. The illumination apparatus includes a cavity that has reflective surfaces (150, 160) and an output area. At least one light source is disposed in the cavity, with the light source including a point source ( ...


7
Pelka David G, Parkyn William A, Popovich Michael J, Pelka Eric D, Popovich John M: Illumination apparatus. Teledyne Lighting & Display, May 2, 2002: EP1200772-A1 (3 worldwide citation)

An illumination apparatus (100) provides an output with high spatial uniformity of luminance. The illumination apparatus includes a cavity that has reflective surfaces (150, 160) and an output area. At least one light source is disposed in the cavity, with the light source including a point source ( ...


8
Benitez Pablo, Minano Juan Carlos, Chaves Julio, Parkyn William A Jr, Dross Oliver, Alvarez Roberto, Falicoff Waqidi: Brightness-enhancing film. Light Prescriptions Innovators, Benitez Pablo, Minano Juan Carlos, Chaves Julio, Parkyn William A Jr, Dross Oliver, Alvarez Roberto, Falicoff Waqidi, LEBENS Thomas F, January 17, 2008: WO/2008/008994 (3 worldwide citation)

The present embodiments provide systems, backlights, films, apparatuses and methods of generating back lighting Some embodiments provide backlight (1) that include a cavity with at least one interior light source (Is) and diffusely reflecting wall of high reflectivity, a top surface (3) with multipl ...


9
Minano Juan Carlos, Benitez Pablo, Chaves Julio, Falicoff Waqidi, Parkyn William A Jr: Etendue-conserving illumination-optics for backlights and frontlights. Light Prescriptions Innovators, Minano Juan Carlos, Benitez Pablo, Chaves Julio, Falicoff Waqidi, Parkyn William A Jr, SAMPLES Kenneth H, February 1, 2007: WO/2007/014371 (3 worldwide citation)

A luminance-preserving non-imaging backlight (20) that includes a luminous source emitting light (10), an injector (21), an ejector (23), a CPC profile(21) and microstructured facets (d,dd) that refract upwardly reflected light into a collimated direction common to the facets.


10
Pelka David G, Parkyn William A: Edge-lit panel with fluorescent transparent plate. Teledyne Lighting And Display Products, ALTMAN Daniel E, January 30, 2003: WO/2003/009012 (3 worldwide citation)

A light system (1) including a collector (2) made of a sheet of material having a fluorescent substance incorporated therein, the system also including an elongated optical element (3) jusxtaposed adjacent the collector (2). Light incident on the collector (2) induces fluorescence that is trapped by ...