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Browse by Category: Main > Optical & Optics
Class Information
Number: 353/81
Name: Optics: image projectors > Prism in light path
Description: Subject matter including a prism in the optical path to reflect or refract the light rays of the path.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8657448 Polarization converting element, polarization converting unit, and projection-type imaging device Feb. 25, 2014
8651663 Stereoscopic projector using scrolling color bands Feb. 18, 2014
8636366 Lighting apparatus including a light source, a first mirror, and a second mirror disposed between the light source and the first mirror Jan. 28, 2014
8638511 Reflector array optical device and display device using the same Jan. 28, 2014
8602563 Projection image display apparatus and projection optical system Dec. 10, 2013
8593746 Image display device Nov. 26, 2013
8585210 Projection apparatus and projection lens Nov. 19, 2013
8573779 Lighting device with plural light sources illuminating distinct regions of integrator Nov. 5, 2013
8545028 Projector system for animation of image cells Oct. 1, 2013
8529071 Illuminating spatial light modulators using an anamorphic prism assembly Sep. 10, 2013
8529072 Image projecting device and a prism with a curved reflection surface Sep. 10, 2013
8523361 Projection device with brightness adjustment function and method thereof Sep. 3, 2013
8500290 Projection system Aug. 6, 2013
8496335 Illumination apparatus, projector, and illumination method Jul. 30, 2013
8491125 Lighting device and projection type display apparatus including the same Jul. 23, 2013
8485667 Optical element and colored light combiner using same Jul. 16, 2013
8477439 Image display device Jul. 2, 2013
8469516 Illumination apparatus and projection display apparatus Jun. 25, 2013
8434873 Interactive projection device May. 7, 2013
8414128 Optical projection device and projecting method thereof with movable wave plate Apr. 9, 2013
8414131 Eyeglass-mountable image display device Apr. 9, 2013
8400713 Speckle reduction using beam splitting with birefringent wedge in laser scanning display systems Mar. 19, 2013
8398244 Projector Mar. 19, 2013
8393737 Light engine using common building blocks Mar. 12, 2013
8388150 Optical element having a toric surface Mar. 5, 2013
8382288 Projector with solid state light source Feb. 26, 2013
8376551 Illumination system for laser projection Feb. 19, 2013
8373692 Light modulator, projection display apparatus and image projection method Feb. 12, 2013
8371712 Light source module of projector Feb. 12, 2013
8333476 Image projection apparatus and image display system Dec. 18, 2012
8322864 Dual TIR prism architecture to enhance DLP projectors Dec. 4, 2012
8317331 Recycling system and method for increasing brightness using light pipes with one or more light sources, and a projector incorporating the same Nov. 27, 2012
8317330 Image display apparatus Nov. 27, 2012
8308302 Laser scanning imaging system with reduced speckle Nov. 13, 2012
8287137 Projector apparatus with multi-light sources and a light coupling module thereof Oct. 16, 2012
8282223 LED light source module and projection device comprising the same Oct. 9, 2012
8282220 Structure for projector with color sensor Oct. 9, 2012
8282216 Single-imager projection engine assembly Oct. 9, 2012
8277049 Projector using LEDs as light sources Oct. 2, 2012
8272749 High resolution segmented 3D projection system Sep. 25, 2012
8267521 Optical element, illuminating device, and projection type video display Sep. 18, 2012
8262230 Projection system Sep. 11, 2012
8262228 Light and color surround Sep. 11, 2012
8251516 Projection display device and optical system modulating separated P-polarized light and S-polarazed light Aug. 28, 2012
8246177 Lighting unit and projection display apparatus Aug. 21, 2012
8215777 Light guide module and projection apparatus having the same Jul. 10, 2012
8215778 Projector apparatus Jul. 10, 2012
8210689 Projection system Jul. 3, 2012
8197066 Image display apparatus Jun. 12, 2012
8186831 Wide color gamut projector May. 29, 2012

1 2 3 4 5 6 7 8 9










 
 
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