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| Number | Title | Issue Date |
| 7292767 | Light guide plate and back light system using same A back light system (2) includes a light guide plate (20) and light sources (21). The light guide plate includes an optical output surface (203), a bottom surface (202) opposite to the output surface, and optical input surfaces ( | 11/06/2007 |
| 7292758 | Optoelectronic fiber photodetector The invention provides an optical fiber photodetector including a photoconductive element, such as a semiconducting element, having a fiber length. The semiconducting element is characterized as a non-composite material in at least one fiber direction. At least one ... | 11/06/2007 |
| 7292336 | Method and instrument for detecting biomolecular interactions Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An instrument system for detecting a biochemical interaction on a biosensor. The system includes an array of... | 11/06/2007 |
| 7287863 | Light tunnel with gradient filter layer A light tunnel with a gradient filter layer includes a light tunnel body and a gradient filter layer. In this case, the gradient filter layer is disposed at a light emerging side. The transmission rate at the central area of the gradient filter layer is smaller than... | 10/30/2007 |
| 7287915 | Optical device An optical device comprises an optical head and a package containing the optical head and having pins led outside. A V-groove is formed in one side of a glass substrate. On the other side, the glass substrate is secured to the base of the package. A PD array and the... | 10/30/2007 |
| 7285744 | Method and apparatus for simultaneously heating materials A method and apparatus for simultaneously heating materials, in particular for welding plastic components, having an arbitrary shape of a flat heating contour by laser radiation is provided. The apparatus has, an appropriate optical arrangement that is used to conve... | 10/23/2007 |
| 7286194 | Reflective type color liquid crystal device and an electronic apparatus using this A reflective type color liquid crystal device can include a pair of substrates and a plurality of color filters with colors different from each other, all of the plurality of color filters having an average transmissivity of 70% to 90% for light of all wavelengths i... | 10/23/2007 |
| 7286733 | Light guide body A light guide body includes: at least a front end tapered portion including one end connectable to an optical fiber and the other end, the one end being thinner than the other end; a plurality of second taper portions, each including one end connectable to an optica... | 10/23/2007 |
| 7285327 | White film for surface light source reflecting members A white film for a reflecting structure for surface light sources, which contains voids inside it and has a light stabilizer-containing coating film formed on at least one surface of it, is aged little with time and its brightness lowers little even when used for a ... | 10/23/2007 |
| 7278769 | Light-emitting device Coherent light, as produced by lasers, is much more intense and bright than non-coherent light. However, unlike non-coherent light sources coherent light from a laser does not radiate away from its source in a spherical fashion, but instead travels in a substantiall... | 10/09/2007 |
| 7277229 | Linear light beam generating optical system An optical system includes semiconductor lasers arranged in the direction of the slow axis of the laser beam, an optical means which makes parallel the collimated laser beams, an optical member which is provided with inlet and outlet faces which are positioned in pe... | 10/02/2007 |
| 7272290 | Method for fabrication of optical element, and optical element having three-dimensional laminated structure A method for production of an optical element includes preparing a first member having formed on the surface of a first substrate 101 a first layer 103 by at least one of epitaxial growth and pore-making (micropore-making) and a second member having a ... | 09/18/2007 |
| 7270459 | Method and apparatus for directing light from a light source A light guide is configured to direct light from a light source. The light guide has an outer guide member and an inner guide member located in the outer guide member. A light passage is defined through the light guide between the inner and outer guide members. When... | 09/18/2007 |
| 7272285 | Fiber waveguides and methods of making the same In general, in one aspect, the invention features an article including a high-power, low-loss fiber waveguide that includes alternating layers of different dielectric materials surrounding a core extending along a waveguide axis, the different dielectric materials i... | 09/18/2007 |
| 7267471 | Light guide body, lighting device, liquid crystal display device, and electronic device In a light guide body, a flat part is provided at an edge part of a fluorescent tube vicinal part (part that receives strong light), and a pear-skin texture pattern having a sine wave shape boundary is formed inside the flat part. Therefore, it is possible to altern... | 09/11/2007 |
| 7269326 | Photonic input/output port The present I/O ports comprise (1) a layered structure comprising (a) an unpatterned superstrate having at least one layer, (b) an unpatterned substrate having at least one layer, and (c) at least one intermediate layer sandwiched between the unpatterned superstrate... | 09/11/2007 |
| 7267441 | Projection display A projection display including first through third light source units to radiate first through third light beams having different colors, respectively, a light path combining unit to combine paths of the first through third light beams, an optical modulator to seque... | 09/11/2007 |
| 7268942 | Method of making a self-aligned light guide screen Provided is a method of making a self-aligned light guide screen. More specifically, in a particular embodiment, fabrication may commence by providing a first ribbon section of light guides with at least one self alignment feature. A second ribbon section of light g... | 09/11/2007 |
| 7269323 | 3D photonic bandgap device in SOI A 3D Photonic Bandgap Device in SOI (NC#98374). The structure includes a substrate having a semiconductor layer over an insulator layer and a 3D photonic bandgap structure having at least one period operatively coupled to the substrate. The apparatus has a funnel wa... | 09/11/2007 |
| 7269329 | Optical waveguide plate for surface light emitting apparatus and surface light emitting apparatus using the optical waveguide plate An optical waveguide plate for a surface light emitting apparatus and a surface light emitting apparatus using the optical waveguide plate that provides excellent uniformity in surface emission is disclosed. The optical waveguide plate comprises an end face introduc... | 09/11/2007 |
| 7269328 | Brightness enhancement film having a light-guiding structure A brightness enhancement film having a light-guiding structure includes a substrate, which has a light-guiding layer and a plurality of light-refracting microstructures. The substrate has a light incident surface and a light emission surface opposite thereto. The li... | 09/11/2007 |
| 7269327 | Brightness enhancement film having a reinforcing structure A brightness enhancement film includes a light-refracting microstructure layer, a substrate and a reinforcing layer. The substrate has a first surface and a second surface opposite thereto. The light-refracting microstructure layer is arranged on the first surface o... | 09/11/2007 |
| 7265882 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 09/04/2007 |
| 7265748 | Method and device for detecting touch pad input A method and system for determining the location of an object touching a touch pad. A light source is used to provide a light beam and a plurality of reflecting surfaces are disposed along an edge of the touch pad to partially reflect the light beam in order to prov... | 09/04/2007 |
| 7264389 | Illuminating unit and display device using the unit Adjustments during assembly of an illuminating unit having a conventional light pipe in order to position the light pipe and a light guide plate are laborious. Further, a minute prism group having a pitch on the order of 100 μm must be provided to a side surface of... | 09/04/2007 |
| 7264384 | Integral vessel hardtop and marine navigation lighting system An integrated marine vessel hardtop and navigation lighting system, for use on boats having a hardtop or platform which covers the helm, bridge, cockpit or similar areas. The system includes a hardtop having recessed voids which receive specially designed starboard,... | 09/04/2007 |
| 7265903 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 09/04/2007 |
| 7263268 | Ultra thin radiation management and distribution systems with hybrid optical waveguide A thin-profile, optically efficient lighting device for use with, among other things, flat information displays, includes a combination of three optically coupled light propagating structures, fabricated of electromagnetic flux transmitting materials. The first stru... | 08/28/2007 |
| 7262916 | Backlight module and brightness enhancement film thereof A backlight module includes a light source, a light guide disposed on one side of the light source, a reflector disposed under the light guide, a lower diffuser disposed on the light guide, and a brightness enhancement film, which is disposed on the lower diffuser a... | 08/28/2007 |
| 7260297 | Displays The present invention describes a fluorescent dye doped polymer based optical wave-guide structure. The described polymers can be used to fabricate a range of display elements and illumination systems which work without the use of external electrical power. This is ... | 08/21/2007 |
| 7256915 | Switchable polymer-dispersed liquid crystal optical elements Transmission and reflection type holograms may be formed utilizing a novel polymer-dispersed liquid crystal (PDLC) material and its unique switching characteristics to form optical elements. Applications for these switchable holograms include communications switches... | 08/14/2007 |
| RE39772 | Lens and associatable flow cell Improvements in a biosensor of the type having reservoirs or wells for analyzing a biological liquid are disclosed. A biosensor (190) includes a waveguide (164) placed between a plurality of members such as plates (100, 186), at least one of the... | 08/14/2007 |
| 7255458 | System and method for the diffusion of illumination produced by discrete light sources The present invention provides a system and method for the diffusion of illumination from discrete light sources such that the illumination is blended and directed in one or more desired directions. The illumination system comprises a substrate having a plurality of... | 08/14/2007 |
| 7255456 | Direct backlight module A direct backlight module is disclosed, which comprises: a frame; at least a light source, being arranged in the frame; a diffuser, being disposed over the frame; and at least an optical film, being disposed over the diffuser, comprising a substrate having a top sur... | 08/14/2007 |
| 7254309 | Side emitting LED and lens A lens of a side emitting LED includes a bottom surface, an incident surface, a reflective surface, a first refractive surface, a second refractive surface and a third refractive surface. An light emitted by a LED enters the lens through the incident surface. A port... | 08/07/2007 |
| 7252864 | Optical film for display devices Disclosed is an optical film that comprises certain radiation cured (meth)acrylate binders and, desirably, irregular semicrystalline asymmetric particles. ... | 08/07/2007 |
| 7252424 | Backlight module capable of interchanging polarized states of light The provided backlight module includes a reflection sheet, a retardation plate, a light-guide plate, a light source, and a sub-wavelength grating plate. The retardation plate is set over the reflection sheet. The light-guide plate is disposed over the retardation pl... | 08/07/2007 |
| 7254308 | Light guide plate and backlight module using the same A backlight module (2) includes a light source (66) and a light guide plate (20), the light guide plate includes a light incidence surface (25), a light-emitting surface (21) adjacent to the light incidence surface; and a bottom su... | 08/07/2007 |
| 7251412 | Backlight modules using diffraction optical elements Direct backlight modules using diffraction optical elements are provided. A direct backlight module includes a light source and a diffraction optical element, wherein the diffraction optical element is disposed above the light source. By properly arranging the phase... | 07/31/2007 |
| 7251079 | Brightness enhancement film, and methods of making and using the same In one embodiment, a brightness enhancement film comprises: a diffusing film comprising a front surface and a back surface, a coating on the front surface, and light redirecting structures disposed in the coating. The brightness enhancement film is capable of collim... | 07/31/2007 |
