1
Gerald N Nkwantah
Michael K Gerlach, Gerald N Nkwantah, Jonathan M Mack, Pradnya V Nagarkar, Philip J Ralli: Intrinsic polarizer and method of manufacturing an intrinsic polarizer. Seiko Epson Corporation, Oliff & Berridge, August 11, 2009: US07573637 (3 worldwide citation)

An improved method of forming an intrinsic polarizer, referred to as a K-type polarizer, includes stretching a polymeric film a first stretching step. The polymeric film comprises a hydroxylated linear polymer which is converted after the first stretching step to form dichroic, copolymer polyvinylen ...


2
Gerald N Nkwantah
Michael K Gerlach, Gerald N Nkwantah, Jonathan M Mack, Pradnya V Nagarkar, Philip J Ralli: Intrinsic polarizer. Seiko Epson Corporation, Oliff & Berridge, January 5, 2010: US07643211 (1 worldwide citation)

An intrinsic polarizer, including a sheet of PVA-type matrix that includes vinylene polymer blocks, the sheet defining a pass polarization axis and a block polarization axis perpendicular to the pass polarization axis, light having an electrical vector parallel to the pass polarization axis being su ...


3
Gerald N Nkwantah
Michael K Gerlach, Gerald N Nkwantah, Jonathan M Mack, Pradnya V Nagarkar, Philip J Ralli: Intrinsic polarizer and method of manufacturing an intrinsic polarizer. 3m Innovative Properties Company, February 9, 2006: US20060028725-A1

An improved method of forming an intrinsic polarizer, referred to as a K-type polarizer, includes stretching a polymeric film a first stretching step. The polymeric film comprises a hydroxylated linear polymer which is converted after the first stretching step to form dichroic, copolymer polyvinylen ...


4
Gerald N Nkwantah
Michael K Gerlach, Gerald N Nkwantah, Jonathan M Mack, Pradnya V Nagarkar, Philip J Ralli: Intrinsic polarizer. Seiko Epson Corporation, Oliff & Berridge, May 28, 2009: US20090135482-A1

An intrinsic polarizer, including a sheet of PVA-type matrix that includes vinylene polymer blocks, the sheet defining a pass polarization axis and a block polarization axis perpendicular to the pass polarization axis, light having an electrical vector parallel to the pass polarization axis being su ...


5
Gerald N Nkwantah
Michael K Gerlach, Gerald N Nkwantah, Jonathan M Mack, Pradnya V Nagarkar, Philip J Ralli: Method of manufacturing an intrinsic polarizer. Seiko Epson Corporation, Oliff & Berridge, May 28, 2009: US20090134535-A1

An improved method of forming an intrinsic polarizer, referred to as a K-type polarizer, includes stretching a polymeric film a first stretching step. The polymeric film comprises a hydroxylated linear polymer which is converted after the first stretching step to form dichroic, copolymer polyvinylen ...


6
Philip E Watson, Philip J Ralli, John J Cael: Liquid crystal display with neutral dark state. 3M Innovative Properties Co, William D Miller, June 6, 2006: US07057682 (16 worldwide citation)

A polarizer is used with a liquid crystal display (LCD) cell whose liquid crystal molecules are switched in the plane of the cell. The LCD has birefringent properties that are different from other types of LCD cell and, unlike other types of LCD, the image contrast is maintained and there is little ...


7
Philip J Ralli: Holographic transflector. Polaroid Corporation, Renato M de Luna, July 20, 1999: US05926293 (5 worldwide citation)

A light-diffusing holographic transflector comprising a holographic layer and a transflective layer is disclosed. The transflector is capable under good ambient lighting conditions of illuminating an LCD display element by holographic reflection, and under poor ambient lighting conditions, by the tr ...


8
William J Molteni, Philip J Ralli: Polarizing holographic reflector module and method for the manufacture thereof. Polaroid Corporation, Renato M de Luna, March 23, 1999: US05886799 (5 worldwide citation)

The present invention provides a polarizing holographic reflector module useful in the manufacture of a holographically-illuminated liquid crystal display assembly by combination thereof with a partial LCD stack. The polarizing holographic reflector module is substantially quadrangular in shape and ...


9
Philip J Ralli, Pradnya V Nagarkar, James N Gordon, Ikuko Ebihara, Charles L Bruzzone, Giorgio B Trapani: Projection system including intrinsic polarizer. 3M Innovative Properties Company, Elizabeth A Gallo, June 24, 2008: US07391569 (4 worldwide citation)

A projection system including an intrinsic polarizer is disclosed. The projection system includes a light source producing illumination light, an imager disposed to receive the illumination light, and a projection lens disposed to receive the illumination light from the imager. The imager includes a ...


10
John C Branca Jr, Philip J Ralli, Michael M Wenyon: Chromatically-adjusted holographically illuminated image-providing display element. Polaroid Corporation, Renato M de Luna, September 19, 2000: US06122079 (3 worldwide citation)

Reflective image-providing displays illuminated with chromatically-adjusted holographically diffused light are provided. In one particular and preferred embodiment, a liquid crystal display component is presented comprising a liquid crystal display element backed with a reflective transmission holog ...