"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 8102603 | Lens having extended depth of focus, method for designing the same, and optical system having the same The lens includes a plurality of lens layers, each lens layer being axi-symmetric and having an extended depth of focus to focus light in a corresponding section of a focal curve in the form of a straight line located on an optical axis. In the optical system, light... | 01/24/2012 |
| 8102604 | Plastic lens and optical pickup device A lens has a flange part at the outer periphery of its surface. A flange surface of the flange part is higher than the lens surface. The flange surface has a marking to identify a production jig, for example. ... | 01/24/2012 |
| 8094378 | Planar lens A design method, apparatus, and fabrication method for structures for controlling the flow of electromagnetic energy at a sub-wavelength scale is disclosed. Transformational optics principles are used as a starting point for the design of structures that operate as,... | 01/10/2012 |
| 8081388 | Photoelectric lens module and fabrication thereof A photoelectric lens module is utilized to focus a light source. A fabrication method comprises steps of providing a first substrate; positioning a plurality of gap units on the first substrate, and forming a plurality of gap regions amongst the gap units on the fir... | 12/20/2011 |
| 8064139 | Apparatus for manufacturing optical element, method of manufacturing optical element, optical element, and imaging device An apparatus for manufacturing an optical element includes: a flexible stamper having a transfer portion transferring a predetermined shape and having changeable curvature; a stamper holding mechanism holding the stamper; an element holding mechanism holding an opti... | 11/22/2011 |
| 8064140 | Transparent articles prepared from thermoplastic compositions having low birefringence An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C20-44 aliphatic dicarboxylic acid or derivative thereof, 34 to 77... | 11/22/2011 |
| 8035898 | Imaging optics designed by the simultaneous multiple surface method One embodiment of a method of calculating an optical surface comprises calculating a meridional optical line of the surface. A ray is selected that passes a known point defining an end of a part of the optical line already calculated. The optical line is extrapolate... | 10/11/2011 |
| 8031407 | Imaging assembly An imaging assembly for an image sensor may include a lens, a transparent substrate and two aspherical optical coatings on each side of the substrate. The imaging assembly can also incorporate an opaque coating with an opening in-line with the lens to form an apertu... | 10/04/2011 |
| 8009364 | Lens for LED lamps The present invention relates to a lens for use with a lamp having at least one LED light source. The lens preferably includes a plurality of projections each having a substantially flat top surface and a plurality of sloping side surfaces, preferably suitable for d... | 08/30/2011 |
| 8000021 | Lens manufacturing apparatus and lens manufactured thereby A lens manufacturing apparatus includes a first mold, a second mold, a first core, and a second core. The first mold defines a first compartment therein. The second mold defines a second compartment therein. The first core is inserted into the first compartment of t... | 08/16/2011 |
| 7978416 | Surface buckling method and articles formed thereby A method for generating spontaneously aligned surface wrinkles utilizes control of local moduli-mismatch and osmotic pressure. The method includes modifying the surface of an elastomeric layer to form a superlayer that is stiffer and/or less absorbent than the elast... | 07/12/2011 |
| 7911703 | Manufacturing method for a wafer lens module and the structure thereof The present invention provides a manufacturing method for a wafer lens module including the steps of providing a plastic material with high thermal resistance, wherein the high temperature plastic material can be used at a reflow temperature above 250□; and formin... | 03/22/2011 |
| 7907346 | Photochromic materials and photochromic compositions and articles including the same Photochromic materials and photochromic compositions and articles including the photochromic materials are disclosed. The photochromic materials may be the reaction product of a hyperbranched polyester polyol having, on average, at least two reactive hydroxyl groups... | 03/15/2011 |
| 7885007 | Optical element and producing method An optical element includes: an element body including a resin containing a polymer having an alicyclic structure. The optical element is treated by one of heat treatment and wet-heat treatment for 15 hours or longer at a temperature lower by 10° C. to 30° C. than... | 02/08/2011 |
| 7869131 | Emitting and negatively-refractive focusing apparatus, methods, and systems Apparatus, methods, and systems provide emitting and negatively-refractive focusing of electromagnetic energy. In some approaches the negatively-refractive focusing includes negatively-refractive focusing from an interior field region with an axial magnification sub... | 01/11/2011 |
| 7864434 | Solid immersion focusing apparatus for high-density heat assisted recording In a particular embodiment, a solid immersion lens includes meta-material slabs formed from multiple layers of at least two different compositions. Each meta-material slab has a first effective index of refraction. The meta-material slabs are adapted to propagate an... | 01/04/2011 |
| 7848025 | Transparent articles prepared from thermoplastic compositions having high flow and ductility, and method of preparing articles Disclosed herein is a camera lens comprising a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising soft block ester units derived from an alpha, omega C6-20 aliphatic dicarboxylic acid or derivative thereof, a d... | 12/07/2010 |
| 7830610 | Lens, lens unit, and imaging device using the same A lens is provided which is configured so that the dimensional accuracy of the lens surface can be evaluated easily and accurately, and the control of the accuracy of the lens can be easily performed. The lens comprises a lens effective part having lens surfaces for... | 11/09/2010 |
| 7826142 | Method for improved optical design using deterministically defined surfaces An embodiment of the present invention provides a method for designing optical surfaces. According to this method, m optical surfaces are defined, such that each successive optical surface receives a wavefront from a previous optical surface. Wavefront aberrations c... | 11/02/2010 |
| 7821719 | Monomers and polymers for optical elements An optical element includes a first lens; a cover; and a cured matrix polymer sandwiched between the first lens and the cover; the matrix polymer, prior to curing, having a monomer mixture dispersed therein; the matrix polymer being selected from the group consistin... | 10/26/2010 |
| 7808716 | Photonic crystal devices using negative refraction Negative refraction in photonic crystals and diffraction grating is used to design plano-concave lenses to focus plane waves. Microwave experiments are carried out to demonstrate negative refraction and the performance of these lenses. Demonstration of negative refr... | 10/05/2010 |
| 7782537 | Optical article and process for producing optical article An optical article includes a plastic substrate, wherein a primer layer and a hard coat layer are formed on a surface of the plastic substrate, and the primer layer is formed from a coating composition containing the following components (A) to (C): (A) a polyuretha... | 08/24/2010 |
| 7777962 | Negatively-refractive focusing and sensing apparatus, methods, and systems Apparatus, methods, and systems provide negatively-refractive focusing and sensing of electromagnetic energy. In some approaches the negatively-refractive focusing includes providing an interior focusing region with an axial magnification substantially greater than ... | 08/17/2010 |
| 7768711 | Manufacturing method of light-collecting device, light-collecting device and phase shift mask The present invention provides a method of manufacturing a lens, in which the method includes exposing a photoresist to light using a phase shift mask. Here, the phase shift mask includes layout portions respectively corresponding to pixels and lens, in which each o... | 08/03/2010 |
| 7751123 | Optical elements made from ceramics comprising one or more oxides of Y, Sc, in and/or lanthanide elements and mapping optics including the optical elements The refractive, transmissive or diffractive optical elements are made from a ceramic containing one or more oxides of the type X2O3, which is transmissive for visible light and/or for infrared radiation and which has a cubic crystal structure a... | 07/06/2010 |
| 7733573 | Lens, manufacturing method thereof and light emitting device package using the same A lens and a light emitting device package formed by introducing surface mount technology (SMT) are disclosed. The lens includes a refractive portion which refracts incident light, and at least one surface mount portion, wherein a portion of the surface mount portio... | 06/08/2010 |
| 7719771 | Deformable optical element, methods of making and uses thereof A deformable optical element includes an elastically deformable lens. Electrical contacts are directly attached to the elastically deformable lens and configured to receive an applied voltage. The electrical contacts have opposing surfaces configured to develop elec... | 05/18/2010 |
| 7715105 | Acylindrical optical device A lens structure and method for manufacture of such a lens. A lens element has multiple sawn planar faces between image forming surfaces so the lens element has a polygonal cross section. The manufacture includes the step of utilizing oversized conventional cylindri... | 05/11/2010 |
| 7710656 | Optoceramics, optical elements manufactured thereof and their use as well as imaging optics The transparent polycrystalline optoceramic has single crystallites and at least 95 percent by weight of the single crystallites have a cubic pyrochlore or fluorite structure. The optoceramic is composed of an oxide of stoichiometry: A2+xBy... | 05/04/2010 |
| 7649691 | Dynamic variable shape optical element Systems and methods according to one or more embodiments are disclosed to provide a dynamic variable shape optical element for wavefront correction. In an embodiment, a variable shape optical element assembly includes an optical element having a front surface and a ... | 01/19/2010 |
| 7623295 | Optical device characterization A method and system for determining the orientation of an optical device, the optical device having data carrier means for carrying data related to the optical device, the data carrier having data carrier means operable in at least one of an electrical mode and a ma... | 11/24/2009 |
| 7612945 | Pyramidal microlens and camera lens structure using the same In a microlens for observing a microstructure and a camera lens structure using the microlens, the microlens includes a frustum formed on a substrate. The frustum is placed to the observed hole of the microstructure, such that a user's naked eye may approach the sub... | 11/03/2009 |
| 7599120 | Composite lens, manufacturing method for composite lens, and lens module A composite lens of the present invention has a resin layer made from a resin to be polymerized by ultraviolet rays provided on at least a part of a surface of a glass base material, the resin layer including a completely cured resin layer and an incompletely cured ... | 10/06/2009 |
| 7580193 | 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 plastic optical component exhibits superior moisture barrier quality w... | 08/25/2009 |
| 7576920 | 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 as an optical lens or holographic recording medium. ... | 08/18/2009 |
| 7573643 | Method and apparatus for designing transmissive optical surfaces A method of designing a transmissive optical element for converting a profile of a light beam from a predetermined input profile to a predetermined output profile is disclosed. The method comprises: calculating a stationary function of a predetermined cost functiona... | 08/11/2009 |
| 7557995 | Deployable telescope shade According to one aspect of this invention, a deployable shade assembly is provided. The deployable shade assembly comprises a plurality of pivotable panels arranged circumferentially about a common central axis. Each pivotable panel is configured to pivot about a hi... | 07/07/2009 |
| 7551360 | Inclined-edge sports lens An optical lens has an inner lens surface and an outer lens surface separated by a lens thickness adjacent to an edge portion of the lens. The edge portion has at least a partially exposed edge surface extending substantially linearly from the inner lens surface tow... | 06/23/2009 |
| 7529030 | Optical apparatus with optical element made of a medium exhibiting negative refraction A lens made of a medium exhibiting negative refraction is disclosed. Also, an optical element made of a medium exhibiting negative refraction is disclosed. The lens or optical element may be incorporated in an optical system or an optical apparatus. ... | 05/05/2009 |
| 7518804 | Singlet telescopes with controllable ghosts for laser beam forming A singlet telescope is provided for reshaping the laser beam to a larger or smaller diameter while maintaining the inherent quality of the beam. Applications for the singlet telescope include intercavity expansion to accommodate the damage thresh-old of various comp... | 04/14/2009 |