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Walt Disney was no Mickey Mouse inventor. He devised a serious animation camera which he patented. With the device, his company created "Snow White".
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| Number | Title | Issue Date |
| 8186832 | Projector having polarization conversion element array and light shielding sections provided thereon A projector includes: a light source; a polarization conversion element array having an entrance surface on which an effective entrance area and an ineffective entrance area are disposed to form stripes; a modulation device adapted to modulate a linearly polarized l... | 05/29/2012 |
| 8186831 | Wide color gamut projector A wide color gamut projector having a plurality of dichroic prisms configured to split a light beam into six primary color components and direct each of the six primary color components to separate digital micromirror devices is disclosed. The projector further comp... | 05/29/2012 |
| 8142022 | Image display apparatus An image display apparatus includes an illumination optical system that includes first and second beam splitting units, a first polarization conversion element, third and fourth beam splitting units, a second polarization conversion element, a first beam combining u... | 03/27/2012 |
| 8136947 | Optical element having a toric surface and method of making An image forming system is described that includes a light source that provides a light beam and an anamorphic refractive optical element. A first outer surface of the anamorphic element faces the light source and includes a toric surface. The light beam is incident... | 03/20/2012 |
| 8136948 | Etendue maintaining polarization switching system and related methods Etendue maintaining polarization switching occurs, according to various embodiments, with a mirror that quickly transitions between two positions. Light having uniform polarization is transmitted to the mirror. Light reflected off of the mirror in one of the two pos... | 03/20/2012 |
| 8132918 | Illumination apparatus, projector, and polarization conversion element An illumination apparatus includes a light source device adapted to emit light having an asymmetric intensity distribution and a polarization conversion element adapted to align polarization states of the light emitted from the light source device. The polarization ... | 03/13/2012 |
| 8132917 | Projection type display device with a phase modulating unit A projection type display device includes: a light emitting unit that includes at least one light source for emitting a coherent light. An image light generating unit modulates the light emitted by the light emitting unit to generate an image light. A projecting uni... | 03/13/2012 |
| 8128233 | Illuminating optical system for projector including condenser lens and field lens An illuminating optical system for a projector including a light source and a plurality of display panels. The optical system includes a first integrator, which includes a plurality of lens cells that divide a luminous flux emitted by the light source into a plurali... | 03/06/2012 |
| 8123359 | Illumination apparatus and projection display apparatus The illumination apparatus includes a color separator configured to separate a white light beam, emitted from a white light source, into a plurality of color component light beams, a plurality of imagers each configured to modulate a corresponding one of the plurali... | 02/28/2012 |
| 8109637 | Wavelength-selective polarization conversion element for generating two light components having polarization directions and wavelength regions different from each other, illumination optical system, and image projection apparatus including the element The wavelength-selective polarization conversion element includes a plurality of polarization splitting surfaces each of which separates entering light into two polarized light components having polarization directions different from each other, a plurality of phase... | 02/07/2012 |
| 8109636 | Illumination optical system and projection type display apparatus with a shield board The invention provides an illumination optical system that guides light emitted from light source device 1 to DMD 2, the illumination optical system including: light tunnel 20 that uniformizes luminance distribution of light emitted from light s... | 02/07/2012 |
| 8104895 | One-way transparent display systems A display system includes a projection screen and a projector. The projection screen includes a retarder plate between a polarizer and a transparent screen. The projector projects an image through the polarizer and the retarder plate onto the transparent screen. The... | 01/31/2012 |
| 8100535 | Stress birefringence compensation in polarizing beamsplitters and systems using same An optical system is provided. The optical system comprises a first polarizing beamsplitter (PBS), a first reflecting image-forming device, and a first quarter-wave retarding element. An optical system is also provided that comprises an image-forming device, a refle... | 01/24/2012 |
| 8096661 | Projector having a cross-shaped light beam A projection-type image display apparatus including: a light source unit; an optical modulator including an incident surface and an output surface both being perpendicular to an optical axis of a light beam emitted from the light source, and configured to modulate a... | 01/17/2012 |
| 8087785 | Projection display apparatus A projection display apparatus includes a polarization beam splitter, a light source, a polarization changing device, an optical uniformizing element, a light valve module and a projection lens. The light source emits an illumination beam. The polarization beam spli... | 01/03/2012 |
| 8079712 | Projector with a polarized light modulation unit A projector includes a light source unit that emits coherent light, a spatial light modulation unit that modulates the coherent light emitted from the light source unit in accordance with an image signal, and a polarized light modulation unit having a plurality of m... | 12/20/2011 |
| 8075140 | LED illumination system with polarization recycling A light engine has a light source front surface that emits non-collimated light. A collection lens collects the non-collimated light and provides incompletely collimated light. A collimating lens receives the incompletely collimated light and provides a collimated i... | 12/13/2011 |
| 8070294 | Projector A projector having a first lens array with a plurality of first lenses in a plane substantially orthogonal to an optical axis of the light beam from a light source that divides the light beam into a plurality of partial light beams, a second lens array having a plur... | 12/06/2011 |
| 8066382 | Stereoscopic projector with rotating segmented disk A stereoscopic digital image projecting system has a light source system providing polarized illumination having a first polarization state and a beam splitting system with a rotating segmented disk in the illumination, alternately generating first and second light ... | 11/29/2011 |
| 8066381 | Polarizing beam splitter, projection optical system, projection display A polarizing beam splitter includes: first and second prisms each having first and second end surfaces serving as an input surface or an output surface of light and an opposed surface as side surfaces of a pillar-like member; and at least two parallel flat layers di... | 11/29/2011 |
| 8066380 | Projector-type image display apparatus At least one exemplary embodiment is directed to a projector which includes several optical elements, reflective devices and beam splitters, arranged to reduce back reflection effects. At least one exemplary embodiment includes a mirror, two beam splitters, three re... | 11/29/2011 |
| 8061844 | Optical device and projector An optical device includes: a plurality of reflection type light modulation devices; a plurality of reflection type polarization plates; a plurality of attachment members; a color combining device; a plurality of adjustment members; engaging projections provided on ... | 11/22/2011 |
| 8057045 | Star field projection apparatus A projection apparatus for generating a moving star field and a cloud-like effect comprises a means for generating a cloud-like effect using at least one non-coherent light source, a means for generating a moving star field using at least one coherent light source a... | 11/15/2011 |
| 8057044 | Projection display device In a projection display device, a polarization converting element is provided between an imager and a refracting optical system for converting a polarization direction of light after modulation into a direction radially extending from the center of the optical axis ... | 11/15/2011 |
| 8047653 | Si-O containing hydrogenated carbon film, optical device including the same, and method for manufacturing the Si-O containing hydrogenated carbon film and the optical device An Si—O containing hydrogenated carbon film as an optical film has a refractive index in a range from at least 1.48 to at most 1.85 for light of 520 nm wavelength and an extinction coefficient of less than 0.15 for light of 248 nm wavelength, wherein the refractiv... | 11/01/2011 |
| 8038298 | Projector device A liquid crystal projector device of the present invention includes an optical system for receiving light from a lamp unit. The optical system is provided with a polarization beam splitter for extracting only an S wave out of P and S waves of the light emitted from ... | 10/18/2011 |
| 8029141 | Image display apparatus that controls luminance of a partial area of each pixel to be below threefold of an average luminance value of the entire pixel The image display apparatus includes a two-dimensional light modulation device for modulating light emitted from a laser light source, a display surface for displaying the modulated light, an optical pixel aperture enlarging member for distributing the luminance of ... | 10/04/2011 |
| 8031402 | Split screen discrete viewing method An apparatus and method for allowing multiple individuals to view discrete images while remaining in close proximity to each other. It encompasses a split screen polarized lens, with alternate polarization portions, fitting over a viewing monitor and pairs of corres... | 10/04/2011 |
| 8029142 | Polarized, LED-based illumination source An illumination source includes a number of light emitting diodes (LEDs) operating at a first wavelength. Light from the LEDs illuminates a phosphor material that generates light at a second wavelength. A reflective polarizer transmits light at the second wavelength... | 10/04/2011 |
| 8025408 | Method, apparatus and program for image processing and method and apparatus for image synthesizing An image processing apparatus captures an object's image and separates the object's image into multiple components. The apparatus includes: a light projecting section 101 for projecting light emitted from a light source toward the object; a color and polariza... | 09/27/2011 |
| 8016422 | Etendue maintaining polarization switching system and related methods Etendue maintaining polarization switching occurs, according to various embodiments, with a mirror that quickly transitions between two positions. Light having uniform polarization is transmitted to the mirror. Light reflected off of the mirror in one of the two pos... | 09/13/2011 |
| 7993004 | Projecting device A projecting device includes a light source, a filtering component, a reflecting mirror, a digital micro-mirror device, a projecting lens, and a panel. The filtering component changes lights emitted from the light source into substantially parallel polarized ultravi... | 08/09/2011 |
| 7988297 | Non-rigidly coupled, overlapping, non-feedback, optical systems for spatial filtering of fourier transform optical patterns and image shape content characterization Non-rigidly coupled, overlapping, non-feedback optical systems for spatial filtering of Fourier transform optical patterns and image shape characterization comprises a first optical subsystem that includes a lens for focusing a polarized, coherent beam to a focal po... | 08/02/2011 |
| 7980701 | Color combining optical system and image projection apparatus using the same A color combining optical system includes a first polarization splitting surface for light in a first wavelength range, and a second polarization splitting surface for light in a second and third wavelength range. The first polarization splitting surface guides illu... | 07/19/2011 |
| 7976166 | Optical system for image projection and image projection apparatus including a polarization beam splitting surface An optical system for image projection is disclosed which is capable of improving contrast while suppressing reduction of light amount. The optical system includes a converging optical system, and a polarization beam splitting surface transmitting an incoming light ... | 07/12/2011 |
| 7976165 | Image generation unit and image projection device An image generation unit with a geometry according to which a light input section and a light output section are formed and/or are arranged such that a light incidence axis or direction and an image emission axis or direction are essentially collinear, parallel, or ... | 07/12/2011 |
| 7976167 | LED illumination system with polarization recycling A light engine has a light source front surface that emits non-collimated light. A collection lens collects the non-collimated light and provides incompletely collimated light. A collimating lens receives the incompletely collimated light and provides a collimated i... | 07/12/2011 |
| 7972004 | System and method for uniform light generation A system and method for uniform light generation in projection display systems. An illumination source comprises a light source to produce colored light, and a scrolling optics unit optically coupled to the light source, the scrolling optics unit configured to creat... | 07/05/2011 |
| 7967443 | Projection system using reflective polarizers A projection system comprising a first imaging component, at least a second imaging component, and a color combiner. The first and second imaging components each comprise an imager and a reflective polarizer that is configured to at least partially separate a light ... | 06/28/2011 |
| 7963657 | Projection display device An imager is shifted with respect to an optical axis of a refractive optical system. Thereby, a throw distance of a projector is shortened. A wavelength-selective half wavelength plate for rotating a polarization direction of green light beams is disposed between a ... | 06/21/2011 |
