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| Number | Title | Issue Date |
| 7978413 | Micro-lens array substrate and method for manufacturing thereof A micro-lens substrate having a precise micro-lens array suitable for higher resolution, the micro-lens array substrate of high quality without having a distortion, and a method for manufacturing thereof are provided. In the micro-lens array substrate of the ... | 07/12/2011 |
| 7724440 | Combining outputs of different light sources An embodiment of an optical manifold has first and second collimators, each arranged to receive light from a source and transmit the light to an exit port of the collimator, and a separator arranged to emit some of the light from the exit ports of the first and seco... | 05/25/2010 |
| 7715104 | Micro-lens array substrate and production method therefor In the micro-lens array substrate of the present invention, a micro-lens array formed of a plurality of consecutive concave lens-shaped micro-lenses is directly formed in a surface of a quartz substrate or glass substrate, and the micro-lens array is formed by a tra... | 05/11/2010 |
| 7548376 | Total internal reflection micro lens array The invention relates to a total internal reflection micro lens array for a wide-angle lighting system. The micro lens array includes a plurality of Fresnel lens structures formed on a same optical incidence surface. Each of the Fresnel lens structure includes a plu... | 06/16/2009 |
| 7545569 | Optical apparatus with flipped compound prism structures An optical apparatus comprises a light source, an optical member and a spatial light modulator. The optical member comprises optically transmissive material and has a textured major surface receiving light from the light source. The textured surface comprises first ... | 06/09/2009 |
| 7444044 | Beam combination using interleaved optical plates In a system and method, the emitted beams of multiple diode bar array assemblies are combined to achieve an increase in the resulting power density in the combined output beam, while addressing the need for heat distribution in each of the individual assemblies. The... | 10/28/2008 |
| 7438480 | Optical module, optical transceiver, and optical joint sleeve An optical module 1 comprises a first optical element F1, a first light receiving subassembly PD1, a second optical element F2, a second light receiving subassembly PD2, a light emitting subassembly LD3 for generating light,... | 10/21/2008 |
| 7394595 | Lenslet array for beam homogenization Apparatus for homogenizing a laser beam includes a lenslet array. In some embodiments, the lenslets have a negative power. The lenslet array may include from 16 to 36 effective lenslets in some embodiments, or any other suitable number in alternative embodiments. So... | 07/01/2008 |
| 7375892 | Ellipsoidal gapless microlens array and method of fabrication Ellipse-shaped microlenses focus light onto unbalanced photosensitive areas, increase area coverage for a gapless layout of microlenses, and allow pair-wise or other individual shifts of the microlenses to account for asymmetrical pixels and pixel layout architectur... | 05/20/2008 |
| 7364341 | Light redirecting films including non-interlockable optical elements The light redirecting films include a thin optically transparent substrate having a pattern of non-interlocking individual optical elements oriented and placed to produce a desired surface coverage of at least one of the surfaces of the transparent substrate of the ... | 04/29/2008 |
| 7355794 | Lenslet array for beam homogenization Apparatus for homogenizing a laser beam includes a lenslet array. In some embodiments, the lenslets have a negative power. The lenslet array may include from 16 to 36 effective lenslets in some embodiments, or any other suitable number in alternative embodiments. So... | 04/08/2008 |
| 7341355 | Anti-glare optical film and process for preparing the same An anti-glare optical film which reduces in whitening of a screen without sacrificing anti-glare property, and a process for preparing the same. There is provided an anti-glare optical film has an irregular surface, wherein a ratio of areas of the surface having an ... | 03/11/2008 |
| 7330315 | Light-redirecting optical structures A plurality of microstructures is provided, with each microstructure having at least a first side and at least a second side terminating at a peak. At least some of the peaks can include an elevated portion to space the peaks away from adjacent optical sheets, surfa... | 02/12/2008 |
| 7327408 | Illuminator that generates linearly polarized light for microdisplay based light engine A hollow sphere with a scattering (e.g., white diffusive) interior surface directs light input from at least one input light source to an exit. In one embodiment, an internal hot mirror and phosphor are positioned to intercept the input light on which visible light ... | 02/05/2008 |
| 7309149 | Prism sheet, backlight assembly and liquid crystal display device having the same A prism sheet, a backlight assembly having the prism sheet, and an LCD device having the prism sheet, the prism sheet includes a first surface, a second surface and a reflecting member. A light is incident upon the first surface. The second surface includes a prism ... | 12/18/2007 |
| 7286308 | Laser diode bar beam reformatting prism array Asymmetry of output beams from a laser diode bar is significantly reduced by internally reflecting the beams from an array of roof prisms positioned and oriented to rotate the cross-sectional shape of each beam by 90°. An elongated retro prism is positioned to rece... | 10/23/2007 |
| 7280277 | Light collimating and diffusing film and system for making the film A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a first peripheral edge. The first side has a first textured surface, w... | 10/09/2007 |
| 7280278 | Apparatus and method for manufacturing positive or negative microlenses A variety of structures and methods used to adjust the shape, radius and/or height of a microlens for a pixel array. The structures affect volume and surface force parameters during microlens formation. Exemplary microlens structures include a microlens frame, base,... | 10/09/2007 |
| 7275468 | Rotary fast tool servo system and methods A high bandwidth rotary fast tool servo provides tool motion in a direction nominally parallel to the surface-normal of a workpiece at the point of contact between the cutting tool and workpiece. Three or more flexure blades having all ends fixed are used to form an... | 10/02/2007 |
| 7275853 | Illuminating device, light guide body and liquid crystal display device An illuminating device is disclosed., which is high brightness and able to reduce leaking light and preferably made thin. A front light has a light guide plate, a bar light guide body and a light emitting element. A prism shape for reflecting propagating light withi... | 10/02/2007 |
| 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 |
| 7248407 | Microlens array sheet of projection screen, and method for manufacturing the same The present invention discloses a microlens array sheet of a projection screen including a lens sheet having a predetermined area, microlenses arranged on one surface of the lens sheet in the horizontal and vertical directions, a black matrix including apertures cor... | 07/24/2007 |
| 7248411 | Optical film with array of microstructures and the light source apparatus utilizing the same The present invention discloses an optical film with array of microstructures, having a first optical surface and a second optical surface for receiving an incident light. The optical film comprises at least a transparent microstructure formed on the first optical s... | 07/24/2007 |
| 7241559 | Lens array and method for fabricating the lens array A lens array and a method for fabricating the lens array are described herein. The lens array is made from a photosensitive glass plate containing a relatively small amount of a photosensitive agent (e.g., silver, gold or combination thereof) such that when the phot... | 07/10/2007 |
| 7242536 | Fresnel optical element and projection display device Each of a plurality of Fresnel prisms 12 is formed so that a refracting surface 12 thereof includes a non-light incidence surface 12c upon which any ray of light emitted from a projector 1 is not directly incident because it is int... | 07/10/2007 |
| 7230764 | Differentially-cured materials and process for forming same A light-redirecting optical structure includes a first side and a second side, the first side including plurality of linear prisms having a visibly random shaped surface on the prisms and a plurality of cross-cut prisms on first side which are oriented at an angle s... | 06/12/2007 |
| 7227685 | Optical film and liquid-crystal display device An optical film has a transparent film and an adhesive layer provided on one surface of the transparent film. The adhesive layer has a refractive index different by 0.12 or less from that of a layer of the one surface of the transparent film. The transparent film ha... | 06/05/2007 |
| 7221847 | Optical elements having programmed optical structures An optical element, such as a lightguide or an optical film, is formed with a predetermined, programmed pattern of optical structures. The optical structures may be arranged to selectively correct for non-uniformities in the output a lightguide, or may be arranged t... | 05/22/2007 |
| 7218831 | Multifunctional optical assembly An integrated optical assembly including a light management component with an entry surface and a light delivery component having an exit surface attached to the entry surface of the light management component is disclosed The light management component and the ligh... | 05/15/2007 |
| 7215474 | Method and apparatus for combining optical beams According to one aspect of the present invention, an apparatus for optically combining light beams is disclosed. The apparatus includes a set of prism shaped doorways configured to receive output beams from at least one optical device. Each of the plurality of doorw... | 05/08/2007 |
| 7206132 | Lenslet array for beam homogenization Apparatus for homogenizing a laser beam includes a lenslet array. In some embodiments, the lenslets have a negative power. The lenslet array may include from 16 to 36 effective lenslets in some embodiments, or any other suitable number in alternative embodiments. So... | 04/17/2007 |
| 7196460 | Incandescent reflector heat lamp with uniform irradiance An infrared heat lamp has a reflector body closed by a lens and having a source of infrared radiation positioned within the body. The lens has a plurality of lenticules formed thereon to provide substantially uniform radiant intensity within a 50° cone on a planar ... | 03/27/2007 |
| 7189007 | Termination for optic fiber A terminal element for fiber optic communication has an elongated body defining a body axis and having a first end from which an optical fiber extends along the body axis. The body has a second end with an angled surface offset at an angle from the body axis. The fi... | 03/13/2007 |
| 7180690 | Light condensing filter A light condensing filter has plural prisms formed on a surface of a flat substrate and on the opposite surface to the surface, and light from a light source is condensed by the plural prisms, wherein the plural prisms formed on the surface are designed in a linear ... | 02/20/2007 |
| 7181105 | Method for adjusting alignment of laser beams in combined-laser-light source where the laser beams are incident on restricted area of light-emission end face of optical fiber A combined-laser-light source includes: a plurality of semiconductor lasers; an optical fiber; and an optical system which converges a bundle of laser beams emitted from the plurality of semiconductor lasers, and makes the converged bundle of the laser beams enter t... | 02/20/2007 |
| 7180664 | Sheet for use for projection screen, light diffusion sheet and projection screen A light diffusion sheet or film including a plurality of unit lenses formed of a material having a refractive index N1, each unit lens having a trapezoidal cross-section. At least one between lens portion, having a triangular cross-section, positioned between two of... | 02/20/2007 |
| 7167312 | Beam shaping optics and module for a diode laser arrangement A beam shaping optical arrangement combines three incoming laser beams that are mutually laterally offset in two orthogonal directions (X and Y), including an incoming first central laser beam and second and third incoming beams laterally offset in the X direction o... | 01/23/2007 |
| 7160018 | Light guide plate with nano-particle layer and back light system with same A back light system (2) includes a light guide plate (50). The light guide plate includes an array of prisms (55) formed thereon, and a nano-particle layer (80) formed on the prisms for diffusing light beams propagating therethrough. The ... | 01/09/2007 |
| 7158307 | Efficiently illuminating a modulating device An illumination method and system use a light source and illumination optics to illuminate a pattern generator. The illumination optics can include at least two devices. For example, if first and second diffractive and/or refractive devices are used, one can be a pu... | 01/02/2007 |
| 7134779 | Light-emitting element circuit A light-emitting element circuit. The light-emitting element circuit disposed on a FPC includes a plurality of light-emitting element sub-circuits arranged in parallel in the FPC. Each light-emitting element sub-circuit includes at least one first light-emitting ele... | 11/14/2006 |
