1
William J Bryan, John C Schultz, Michael A Meis, Patrick R Destain: Backlight asymmetric light input wedge. 3M Innovative Properties Company, Lance L Vietzke, February 9, 2010: US07660509 (34 worldwide citation)

A backlight is disclosed and includes a visible light transmissive body primarily propagating light by TIR with a light input surface and a light output surface and a light guide portion and a light input portion. The light guide portion has a light reflection surface and a light emission surface. T ...


2
Patrick R Destain: LED with compound encapsulant lens. 3M Innovative Properties Company, September 21, 2010: US07798678 (34 worldwide citation)

An LED light source includes an LED emitter and an encapsulant that at least partially surrounds the emitter. The encapsulant includes an inner lens and an outer lens, the inner lens having a refractive index less than, and in some cases about 70 to 80% of, the refractive index of the outer lens. Th ...


3
Patrick R Destain, Jennifer L Grace, John E Duncan, Tomasz A Pol, William E Phillips III, Michael W O Keefe, Alexander Glinski, Stephen J Willett: Optical projection subsystem. 3M Innovative Properties Company, Kristofor L Storvick, March 8, 2011: US07901083 (21 worldwide citation)

A projection subsystem includes a light engine that provides a collection lens, a collimator and at least one solid state light emitter. A projection lens assembly receives the image and provides a projection beam having a luminous flux level. The projection subsystem has a portability efficacy.


4
Patrick R Destain: Backlight with symmetric wedge shaped light guide input portion with specular reflective surfaces. 3M Innovative Properties Company, Lance Vietzke, October 27, 2009: US07607814 (19 worldwide citation)

A backlight includes a visible light transmissive body having a light guide portion and a light input portion. The visible light transmissive body primarily propagates light by TIR and includes a light input surface and a light output surface. The light guide portion has a light reflection surface a ...


5
John E Duncan, Michael W O Keefe, William E Phillips III, Jiaying Ma, Patrick R Destain: Polarizing beam splitter. 3M Innovative Properties Company, May 5, 2009: US07529029 (15 worldwide citation)

A polarizing beam splitter that includes at least one prism, and a reflective polarizing film. The prism comprises a first polymeric material, and has at least one curved outer surface and an incident surface, where the reflective polarizing film is disposed adjacent the incident surface.


6
Patrick R Destain, James F Hallas: Screen film for light projection brightness enhancement. Texas Instruments Incorporated, Wade James Brady III, Frederick J Telecky Jr, November 2, 2010: US07826135 (10 worldwide citation)

A front-projection screen that includes a prismatic film that comprises an outside surface of the screen. The film includes parallel prismatic grooved lines. Each of the lines have a draft surface, a groove surface, and, each of the lines are located on a first side of a base portion of the film. Th ...


7
John E Duncan, Michael W O Keefe, William E Phillips, Jiaying Ma, Patrick R Destain: Polarizing beam splitter. 3M Innovative Properties Company, Robert V Heiti, April 22, 2008: US07362507 (7 worldwide citation)

A polarizing beam splitter is disclosed that includes a first prism, a second prism, and a reflective polarizing film disposed between the first prism and the second prism. The first prism comprises a first polymeric material, and has a first outer curved surface and an additional outer surface. The ...


8
Patrick R Destain: Light recycling in a micromirror-based projection display system. Texas Instruments Incorporated, Charles A Brill, Wade James Brady III, Frederick J Telecky Jr, June 14, 2011: US07959305 (7 worldwide citation)

A digital micromirror projection display system is disclosed in which “off” pixel light is recaptured and recycled. In the disclosed system, a digital micromirror device directs incident light for “on” pixels in the image to be displayed through projection lenses to a projection screen. The digital ...


9
Jennifer L Grace, Patrick R Destain, William E Phillips III: Integrating light source module. 3M Innovative Properties Company, May 18, 2010: US07717599 (6 worldwide citation)

A light source module is provided comprising an emitter having at least one light emitting surface and an at least partially hollow integrating optic mounted over the emitting surface; where the index of refraction within the hollowed area is less then the index of the subsequent medium along the op ...


10
Patrick R Destain: Optical system for a thin, low-chin, projection television. Texas Instruments Incorporated, Wade James Brady III, Frederick J Telecky Jr, December 28, 2010: US07857463 (3 worldwide citation)

A micro-mirror based projection display system in an enclosure with minimum chin and depth measurements is disclosed. A solid-state laser light source generates light of multiple primary colors that is modulated by a digital micro-mirror device. The projection optics of the system include a telecent ...