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7345825 |
Beam delivery system for laser dark-field illumination in a catadioptric optical system
A method and apparatus for inspecting a specimen are provided. The apparatus comprises a primary illumination source, a catadioptric objective exhibiting central obscuration that directs light...
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7344291 |
Illuminating device and backlight device employing the illuminating device
Disclosed is an illuminating device which, as a light source for a backlight device, mixes the colors of light rays of three prime colors radiated by light emitting diodes to emit white light. The...
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7342731 |
Wafer scale lens and optical system having the same
Provided are wafer scale lenses having a diffraction surface as well as a refractive surface, and an optical system having the same. The wafer scale lens includes a lens substrate, a first lens...
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7339752 |
Image pick-up lens system
An image pick-up lens system from an object side to an image side includes an aperture stop ( 10 ), and a meniscus-shaped lens ( 20 ) having a concave surface on the object side and a convex...
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7336424 |
Glass optical element
In a method of manufacturing a glass optical element by press-forming a glass material in a chamber by using a forming mold comprising upper and lower dies at least one of which is movable, where a...
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7336423 |
Hybrid lens
A hybrid lens ( 10 ) includes a plastic lens ( 12 ) and a glass coating film ( 14 ). The plastic lens is manufactured by injection molding. The glass coating film is formed on an outer surface of...
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7332560 |
Thermoplastic molding compositions having reduced water absorption
A thermoplastic molding composition comprising polycarbonate and at least one (co)polyformal is disclosed. Characterized by its low water absorption the composition is particularly suitable for...
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7329718 |
Aromatic polycarbonate resin, process for producing the same, optical-part molding material, and optical part
The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a...
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7324285 |
Optical elements and imaging optics comprising them
The optical elements are made from an opto-ceramic material that is characterized by high density, transparency for visible light and IR, high refractive index, high Abbe number and outstanding...
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7321349 |
Display element, display device, and microlens array
A display element having a plurality of pixel portions arranged two-dimensionally with a predetermined pixel pitch and a microlens array including a plurality of microlenses arranged...
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7319133 |
Contact lens extraction/hydration systems and methods of reprocessing fluids used therein
The present contact lens treating systems and methods effectively remove extractable materials from contact lenses, for example, newly formed contact lenses, so that the lenses can be safely and...
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7315359 |
Method for monitoring micro-lens curvature in-line
A method and system for monitoring a curvature of a micro-lens in-line is disclosed. According to embodiments, sizes of circles (or circle images) from a top view of a micro-lens are measured and...
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7302181 |
Single lens multiple light source device
An optical communication device having multiple light sources under a single lens. The optical communication device has two light sources. The optical communication device has a lens optically...
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7301705 |
Alicyclic compound for optical material
The alicyclic compound of the present invention has a five- or more membered ring structure having an epithioethylene linkage and/or an epidithioethylene linkage, and has tow or more sulfur atoms...
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7301706 |
Complex lens
An embodiment of a complex lens ( 1 ) includes a central substrate ( 10 ), two opposite glass layers ( 12 ), and two opposite IR-cut layers ( 13 ). The substrate is made of transparent plastic,...
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7298535 |
Digital situation indicator
A personal monitoring system to be worn by an individual in a hazardous situation comprises an enclosed face mask which includes a transparent shield over at least the eves a sensor module secured...
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7286297 |
Lens system utilizing light-transmitting ceramic and camera assembly using lens system utilizing light-transmitting ceramic
In a lens system in which a plurality of lenses are combined while the lenses are disposed in such a manner that their optical axes are aligned with each other, at least one ceramic lens is used...
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7278762 |
Automotive headlamps with improved beam chromaticity
Lenses for lamps can improve the quality of the light emitted through lens by interacting with the light bulb. Photoluminescent dyes as well as non-photoluminescent dyes may be incorporated into a...
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7277230 |
Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom
Disclosed herein is a method for producing a 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine. The method comprises forming a reaction mixture comprising at least one substituted or unsubstituted...
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7271962 |
Two-dimensional image formation apparatus
A two-dimensional image formation apparatus according to the present invention is provided with laser sources ( 1 a )˜( 1 c ), diffusers ( 6 a )˜( 6 c ) for diffusing light, illumination optical...
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7261843 |
Photochromic optical article
Describes a photochromic article, e.g., an ophthalmic photochromic plastic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., a transparent substrate such as a...
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7262422 |
Use of supercritical fluid to dry wafer and clean lens in immersion lithography
Disclosed are immersion lithography methods and systems involving irradiating a photoresist through a lens and an immersion liquid of an immersion lithography tool, the immersion liquid in an...
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7256942 |
Single lens element, light source device and scanning optical device
A single lens element used for converting a divergent pencil of rays, radiated from a light source, into a predetermined convergent state, wherein
the single lens element is made from a...
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7248414 |
Plastic optical components and an optical unit using the same
The present invention provides a plastic optical component. The plastic optical component has superior characteristics including lightweightness, low cost and suitability for mass production. The...
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7248413 |
Microlensing particles and applications
A microscopic lens, of size approximately 1 micron is used for its optical characteristics.
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7245435 |
Lens array sheet and molding method
To provide a lens array sheet capable of efficiently condensing diffuse light such as the light from a LED light source or EL light source. The lens array sheet comprises a transparent base...
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7245438 |
Broad band objective having improved lateral color performance
A system and method for inspection is disclosed. The design generally employs as many as four design principles, including employing at least one lens from a relatively low dispersion glass, at...
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7239450 |
Method of determining lens materials for a projection exposure apparatus
A method of determining materials of lenses contained in an optical system of a projection exposure apparatus is described. First, for each lens of a plurality of the lenses, a susceptibility...
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7237893 |
Light adjustable lenses capable of post-fabrication power modification via multi-photon processes
The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The...
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7232989 |
Transverse optical accelerator and generalized optical vortices
A method and system for generating modulated optical vortices. Optical vortices can be used for a variety of applications, such as applying controlled torque or controlled force patterns to objects...
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7233446 |
Transformable, applicable material and methods for using same for optical effects
Optical elements and methods of forming optical elements are described. In one example, a method applies a photosensitive ink to a substrate and exposes the ink to create an optical element, such...
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7230769 |
Humidity tolerant scan lens
A lens has a lens body ( 1 ), reinforcing extensions ( 3 a, 3 b ) and a clear aperture ( 9 ) surrounded on top and bottom by lens body. The lens is suitable for spot scanning. The lens is made of...
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7224532 |
Optical uses diamondoid-containing materials
Novel optical devices based on diamondoid-containing materials are disclosed. Materials that may be fabricated from diamondoids included diamondoid nucleated CVD films, diamondoid-containing CVD...
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7220064 |
Coupling optical system for optical communications
A coupling optical system for coupling light into an optical fiber of an optical communications system includes a liquid that includes a dispersion of microscopic particles and two transparent...
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7214754 |
Polymerizable polyol (allyl carbonate) compositions
A polymerizable composition is described, which composition comprises a major amount of a polyol(allyl carbonate) monomer, e.g., diethylene glycol bis(allyl carbonate) monomer, and a minor amount...
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7208564 |
Branched polyformals and copolyformals their preparation and use
A branched (co)polyformal is disclosed. The (co)polyformal contains structural units conforming to at least one the general formulae (1a) and (1b)
wherein each of -E- and -D- independently of...
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7205375 |
Optical disk substrate and lightguide plate
An optical disk substrate and a light guide plate which are formed from a resin composition comprising 0.1 to 20 parts by weight of compound represented by the following formula (I):
based on...
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7199208 |
Polyformals and copolyformals with reduced water absorption, production and use thereof
A thermoplastic molding composition comprising a linear (co)polyformal is disclosed. The (co)polyformal corresponds to formulae (Ia) or (Ib),
in which A independently denotes hydrogen or...
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7193789 |
Optical system
In an optical system, there is disposed a solid material having refractive surfaces on both of the light incidence side and a light emergence side, and the Abbe number vd and the partial dispersion...
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7193784 |
Nitride microlens
Microlenses and microlens arrays made from Group III-nitride material.
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7179848 |
Method for coloring a transparent article made of polycarbonate and resulting article
The invention concerns a method which consists in irradiating at least one face of the article with UV radiation, causing the article to be photodegraded over a thickness of at least 1 μm, and in...
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7177086 |
Optical component thickness adjustment method, optical component, and position adjustment method for optical component
If after manufacture it is found that the thickness of a solid immersion lens is less than a target thickness value, an adjustment portion is adhered thereto by vapor deposition so as to reduce the...
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7173073 |
Ophthalmic devices containing heterocyclic compounds and methods for their production
This invention relates to ophthalmic devices and methods for their production where the ophthalmic device contain a polymer and at least one heterocyclic compound comprising at least one N—Cl...
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7173777 |
Projection lens and display device for multimedia and other systems
A wide angle projection lens includes, in sequential order from an image side, a first lens group of negative refractive power, the first lens group having at least one aspheric surface, a second...
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7170685 |
Production method for optical lens and production method for optical fiber connector
The production method for an optical fiber connector includes the steps of: injecting and hardening a first resin ( 26 ) into a resin-injection portion ( 29 ) of a connector body ( 22 ), the first...
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7161739 |
Optical system, optical device including the same, and optical device designing method
The present invention relates to an optical device having a structure that can make the diameter of the emitted Gaussian beam smaller. The optical device is arranged between a first and second...
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7157547 |
Ultraviolet blocking composition for protection of package or container contents
An ultraviolet absorption composition has been developed for the protection of packaging or container contents in the ultraviolet range of 290 nm to 390 nm, offering effective screening from all...
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7151636 |
Optical system
Among a plurality of lens units constituting an optical system, at least one of the plurality of lens units includes a refractive optical element made of a solid material that satisfies the...
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7144954 |
Highly transparent plastic for optical materials
The present invention relates to mixtures containing
A) compounds of the formula (I) and (II)
where R 1 is independently at each instance hydrogen or a methyl radical, R 2 is...
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7139133 |
Optical lens soft-focus effect
The optical lens, especially for a motor vehicle, is provided with a soft-focus effect, e.g. to soften a light-dark boundary on an illuminated surface. For this purpose the optical lens has an...
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