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| Number | Title | Issue Date |
| 8189264 | Projection optical system and image display device A projection optical system, in which a plurality of light flux emitted from one conjugate plane enters another conjugate plane and an image formed on the one conjugate plane is projected on the other conjugate plane, includes: a first optical system including at le... | 05/29/2012 |
| 8179606 | Zoom lens for projection and projection-type display device A zoom lens for projection includes negative first group G1, positive second group G2, positive third group G3, negative fourth group G4, positive fifth group G5, and positive sixth group G6, arranged... | 05/15/2012 |
| 8174771 | Lens blank and lens elements as well as method for their production A method for manufacturing a preferably asymmetrical lens element (5a) from a tempered blank (1) is characterized by: producing the lens element (5a) from a first partial volume (1a) of the tempered blank (1), ... | 05/08/2012 |
| 8169708 | Projecting optical unit and projecting type image display apparatus therewith A projection image display device is disclosed in which a trapezoidal distortion and/or aberration are restrained when an image is enlarged and projected obliquely onto a screen. An image generator is connected to an optical system base in such a manner that at leas... | 05/01/2012 |
| 8116010 | Projection variable focus lens and projection display device A projection variable focus lens includes seven lenses. The seven lenses include first to seventh lenses in order from a magnification side. The first and second lenses are provided closest to the magnification side and have a negative composite refractive power. Th... | 02/14/2012 |
| 8094379 | Optical arrangement of autofocus elements for use with immersion lithography A lithographic projection apparatus includes an optical element through which a substrate is exposed with an exposure beam. A space between the optical element and the substrate is filled with liquid during the exposure. A gap is formed between a member and a surfac... | 01/10/2012 |
| 8094380 | Projection objective and projection exposure apparatus with negative back focus of the entry pupil The disclosure concerns a projection objective, which can include an object plane in which an object field is formed, an entry pupil, a mirrored entry pupil (RE) in a mirrored entry pupil plane obtained by mirroring the entry pupil (VE) at the object plane, an image... | 01/10/2012 |
| 8072687 | Projection display device for multimedia and wall display systems A front projection display device includes an optical engine including an illumination system, an imaging system, and projection optics. The projection optics include a first lens group of negative refractive power that has at least one aspheric surface. The project... | 12/06/2011 |
| 8054557 | Lithography projection objective, and a method for correcting image defects of the same Projection objectives, as well as related components, systems and methods, are disclosed. In general, a projection objective is configured to image radiation from an object plane to an image plane. A projection objective can include a plurality of optical elements a... | 11/08/2011 |
| 8054556 | Lens A lens adapted to image a first image plane at a reduced side onto a magnified side is provided. The lens has an optical axis. The lens includes a lens group and a concave reflective mirror. The lens group is disposed in the light path between the reduced side and t... | 11/08/2011 |
| 8035899 | Lens assembly A lens assembly includes a platform having an incident surface and a projection surface on opposite surfaces thereof. Wire holes are formed to the bottom side along a longer axis of the incident surface for wiring. A cut is formed around the incident surface for rec... | 10/11/2011 |
| 8018657 | Optical arrangement of autofocus elements for use with immersion lithography A lithographic projection apparatus includes an optical element through which a substrate is exposed with an exposure beam. A space between the optical element and the substrate is filled with liquid during the exposure. In addition, a gap is formed between a member... | 09/13/2011 |
| 8014075 | Projection type image display device A projection type image display device comprising: a projection optical system having a first refracting optical section having a plurality of lenses, a reflecting optical section having at least one concave reflecting surfacer and a second refracting optical sectio... | 09/06/2011 |
| 7995281 | Wide-angle objective lens system and camera A vehicle camera and wide-angle objective lens system are disclosed wherein the wide-angle objective lens has image aberrations or errors that do not deteriorate the detection of obstructions or obstacles in its field of view. ... | 08/09/2011 |
| 7961400 | Projecting optical unit and projecting type image display apparatus therewith A projection image display device is disclosed in which a trapezoidal distortion and/or aberration are restrained when an image is enlarged and projected obliquely onto a screen. An image generator is connected to an optical system base in such a manner that at leas... | 06/14/2011 |
| 7929217 | Projection lens system The present disclosure relates to a projection lens. The projection lens includes, in order from the magnified end to the minified end thereof, a first lens of negative refraction power, a second lens of positive refraction power, a third lens of negative refraction... | 04/19/2011 |
| 7911704 | Projection optical system and image display apparatus A disclosed projection optical system for projecting and forming an enlarged image of an image displayed in a planar manner as an object includes: a lens system including, from an object side, at least a lens group providing telecentricity to an object space side, a... | 03/22/2011 |
| 7907347 | Optical composite material and method for its production An optical composite material comprises an amorphous optical material (6) with a first refractive index (na), into which crystalline nanoparticles (7) having a second, higher refractive index (nn) are embedded, wherein the amorpho... | 03/15/2011 |
| 7889431 | Projection zoom lens and projection-type display apparatus A zoom lens includes, in order from a magnification side, a negative first lens group for focus adjustment adapted to be fixed during power-varying, a positive second lens group adapted to move during power-varying, a negative third lens group, a positive fourth len... | 02/15/2011 |
| 7885008 | Optical system for digital cinema projection The invention relates to an optical system for the projection of digital image data comprising a fixed focal length lens and a pivotable focal length extender. The principal field of application of the invention is digital cinema projection, usually employing the wi... | 02/08/2011 |
| 7880972 | Projection optical system A projection optical system for projecting, while enlarging, an image formed on an image formation surface onto an image projection surface from an oblique direction relative thereto has at least three optically powered reflective surfaces and a refractive lens surf... | 02/01/2011 |
| 7864436 | Rear projection type display apparatus A projection unit is mounted on a projection magnification correcting member, and the projection magnification correcting member includes a first member and a second member. The first member includes a first correction mechanism for correction in a direction paralle... | 01/04/2011 |
| 7864435 | Projection display device for multimedia and wall display systems A front projection display device includes an optical engine including an illumination system, an imaging system, and projection optics. The projection optics include a first lens group of negative refractive power that has at least one aspheric surface. The project... | 01/04/2011 |
| 7859763 | Fixed-focus lens A fixed-focus lens includes a first, a second, and a third lens groups arranged in sequence from the enlarged side to the reduced side and having positive refractive powers. The first lens group includes a first, a second, and a third lenses from the enlarged side t... | 12/28/2010 |
| 7843645 | Projection optical system, exposure apparatus, and method of manufacturing device This invention is a projection optical system which includes a plurality of lens groups and projects an image of a first object onto a second object. A bottom lens group of the plurality of lens groups which is positioned nearest to the second object is made of an i... | 11/30/2010 |
| 7796343 | Photomask inspection apparatus According to one aspect of the present invention, there is provided a photomask inspection apparatus which observes a pattern provided on a mask substrate of a mask to inspect the mask including an object lens, and a liquid that is present between a last lens in the... | 09/14/2010 |
| 7791811 | Lens blank and lens elements as well as method for their production A method for manufacturing a preferably asymmetrical lens element (5a) from a tempered blank (1) is characterized by: producing the lens element (5a) from a first partial volume (1a) of the tempered blank (1), ... | 09/07/2010 |
| 7782538 | Projection objective having a high aperture and a planar end surface A projection objective for imaging a pattern provided in an object plane of the projection objective onto an image plane of the projection objective suitable for microlithography projection exposure machines has a plurality of optical elements transparent for radiat... | 08/24/2010 |
| 7777963 | Method for improving the imaging properties of a projection objective, and such a projection objective The invention relates to a method -for improving the imaging properties of a micro lithography projection objective (50), wherein the projection objective has a plurality of lenses (L1, L2, L3, L4, L5, L6, L7, ... | 08/17/2010 |
| 7773304 | Optical pickup, optical disc drive device, and optical information device A small optical pickup of wide spherical aberration correction range includes a rising mirror for perpendicularly deflecting a light beam and guiding the light beam to an objective lens; a spherical aberration correction lens having one surface formed to a larger cu... | 08/10/2010 |
| 7773303 | Image projecting apparatus An image projecting apparatus includes a light source, a relay lens, a reflective light valve, and a projection lens. The light source is capable of emitting a light beam. The relay lens is disposed to permit the light beam provided by the light source to pass there... | 08/10/2010 |
| 7760437 | Projector apparatus having a shielding plate to prevent formation of ghost image in the projected image A projector apparatus includes a light source for producing light beams, a micromirror device including an array of micromirrors for modulating and reflecting the light beams into image light beams, and a projection lens unit for magnifying and projecting the image ... | 07/20/2010 |
| 7755839 | Microlithography projection objective with crystal lens Very high aperture microlithography projection objectives operating at the wavelengths of 248 nm, 193 nm and also 157 nm, suitable for optical immersion or near-field operation with aperture values that can exceed 1.4 are made feasible with crystalline lenses and cr... | 07/13/2010 |
| 7746561 | Projection optical system, exposure apparatus, and method of manufacturing device A projection optical system which projects an image of a first object onto a second object includes a plurality of lenses and a plurality of aperture stops for determining a numerical aperture. The plurality of aperture stops include a first aperture stop having an ... | 06/29/2010 |
| 7733574 | Illumination optical apparatus and optical apparatus There are provided an illumination optical apparatus and an optical apparatus using this illumination optical apparatus that are capable of efficiently collecting light emitted from a light-emitting section for illumination with less illumination nonuniformity, with... | 06/08/2010 |
| 7719772 | Catoptric objectives and systems using catoptric objectives In general, in a first aspect, the invention features a system that includes a microlithography projection optical system. The microlithography projection optical system includes a plurality of elements arranged so that during operation the plurality of elements ima... | 05/18/2010 |
| 7706075 | Projection optical system, exposure apparatus, and device fabrication method The present invention provides a projection optical system which projects an image on a first object plane onto a second object plane, comprising at least four optical members which are arrayed in turn from the second object plane, and made of an isotropic crystal, ... | 04/27/2010 |
| 7706074 | Projection optical system, method of manufacturing projection optical system, exposure apparatus, and exposure method A projection optical system provided with at least one of optical members made of a calcium fluoride single crystal, wherein each of the optical members satisfies at least any one of the following conditions of (i) to (iii): ... | 04/27/2010 |
| 7701639 | Projection type image display apparatus A projection-type display apparatus, comprises a front lens group having a plural number of lenses, each having rotationally symmetric surface configuration, a rear lens group, being disposed in rear of the front lens group, including a refractive lens for diverting... | 04/20/2010 |
| 7701640 | Projection optical system and method for photolithography and exposure apparatus and method using same An immersion optical system includes a plurality of lenses disposed along a light beam path of the immersion optical system. The plurality of lenses include a liquid immerged lens which is contactable with a liquid layer. An optically conjugate point of an object su... | 04/20/2010 |
