Featured patents

Optical Polarization State Modulator Assembly for Use in Stereoscopic Three-Dimensional Image Projection System
US 08820937 B2, Sept. 2, 2014, Polarizer or Interference Filter, Jesper Osterman et al. / LC-TEC Displays AB (Borlange, SE)
An optical polarization state modulator assembly for use in a time-multiplexed…

Liquid-Cooling Device and Projector
US 08794767 B2, Aug. 5, 2014, Liquid coolant, Yoshiyuki Yanagisawa et al. / Seiko Epson Corporation (Tokyo, JP)
A liquid-cooling device to cool an optical element in a projector, comprising:…

Liquid Crystal Glasses, Projection Display System and Control Method Thereof
US 08770759 B2, July 8, 2014, Polarizer, Chin-Ku Liu et al. / Coretronic Corporation (Hsin-Chu, TW)
A projection display system, comprising:…

Light Source Device and Projector
US 08752966 B2, June 17, 2014, Temperature Control, Takahiro Takizawa et al. / Seiko Epson Corporation (Tokyo, JP)
A light source device comprising:…

Projection Display Device and Method for Controlling the Same
US 08740392 B2, June 3, 2014, Temperature Control, Shigehiro Yanase et al. / Seiko Epson Corporation (Tokyo, JP)
A projection display device comprising:…

Projection Display Device With Position Detection Function
US 08714749 B2, May 6, 2014, Distortion Compensation, Daisuke Nakanishi / Seiko Epson Corporation JP
A projection display device having a position detecting function of optically…

Projector for Preventing Thermal Deterioration of a Light Shielding Member
US 08714753 B2, May 6, 2014, Light Shield, Mask, Hood, or Diaphragm, Wataru Kitahara / Seiko Epson Corporation (Tokyo, JP)
A projector comprising:…

Projection System Having Light Sources Selectively Driven in Response to an Operation Mode
US 08721090 B2, May 13, 2014, Plural, Eunsung Seo et al. / LG Innotek Co., Ltd. (Seoul, KR)
A projection system, comprising:…

Projector Having a Movable Tilted Aperture and Cut Filter
US 08641206 B2, Feb. 4, 2014, Light Shield, Mask, Hood, or Diaphragm, Masakazu Kawamura et al. / Seiko Epson Corporation (Tokyo, JP)
A projector comprising:…

Drive for Light Forming Means
US 08474986 B2, July 2, 2013, Light Shield, Mask, Hood, or Diaphragm, Thomas Aleksander Henrik Von Preyss / Martin Professional A/S (Aarhus N, DK)
Color means used in a projector, said projector comprises light generating means,…

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