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| Number | Title | Issue Date |
| 8184359 | Laser projector display modules and arrangements of components of laser projector display modules A laser projector display module for a handheld device may include an electronics module, a miniaturized light source module electrically connected with the electronics module, a scanner module electrically connected with the electronics module, and an optical assem... | 05/22/2012 |
| 8144390 | Apparatus and method for 2D and 3D image switchable display An image display apparatus and method are disclosed. The image display apparatus includes a light source unit to include at least one light source, an optical unit to generate a directional light using a light projected from the light source unit, a variable diffuse... | 03/27/2012 |
| 8094366 | Electrical characterization of interferometric modulators Disclosed herein are methods and systems for testing the electrical characteristics of reflective displays, including interferometric modulator displays. In one embodiment, a controlled voltage is applied to conductive leads in the display and the resulting current ... | 01/10/2012 |
| 8045256 | Method and device for compensating for color shift as a function of angle of view In one embodiment of the invention, a display is provided and includes a plurality of interferometric display elements. The display further includes at least one diffuser. Optical properties of the diffuser are selected to reduce color shift of the display when view... | 10/25/2011 |
| 8023178 | Line-like laser beam flux irradiating apparatus A line-like (line) laser beam flux irradiating apparatus includes a laser source which emits a divergent laser beam flux, a conversion lens which converts the divergent laser beam flux to a parallel laser beam flux, a first lens which forms a first line-like laser b... | 09/20/2011 |
| 7969644 | System and method for despeckling an image illuminated by a coherent light source A method and system for reducing speckle in an image produced from a coherent source of radiation is provided. The method includes coupling a source beam received from a coherent optical source into an optical fiber. A position of at least a portion of the fiber may... | 06/28/2011 |
| 7957055 | Pattern generator The present invention relates to an apparatus for creating a pattern on a workpiece sensitive to radiation, such as a photomask a display panel or a microoptical device. The apparatus may include a source for emitting light flashes, a spatial modulator having modula... | 06/07/2011 |
| 7907331 | High speed beam steering The use of spatial light modulators to steer light beams is disclosed. A dual frequency liquid crystal spatial light modulator can be controlled so as to form a blazed phase grating thereon that effects desire deflection of incident light. ... | 03/15/2011 |
| 7880957 | Electronically controlled stage lighting system A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output. ... | 02/01/2011 |
| 7864408 | Beam deflection using PZT resonance Beam deflection devices and methods using piezoelectric tube resonance. A beam deflection device may include a laser that produces a beam of light. The beam of light may then be directed through a piezoelectric tube that includes a light guide and one or more piezoe... | 01/04/2011 |
| 7800815 | Pattern generator The present invention relates to an apparatus for creating a pattern on a workpiece sensitive to radiation, such as a photomask a display panel or a microoptical device. The apparatus may include a source for emitting light flashes, a spatial modulator having modula... | 09/21/2010 |
| 7787174 | Pattern generator The present invention relates to an apparatus for creating a pattern on a workpiece sensitive to radiation, such as a photomask a display panel or a microoptical device. The apparatus may include a source for emitting light flashes, a spatial modulator having modula... | 08/31/2010 |
| 7715077 | Micro mirrors having a mirror plate with interdigitated arms A micro mirror device includes a first hinge supported by a substrate, a mirror plate tiltable around the first hinge and having a first set of arms facing the substrate, and a second set of arms on the substrate. The first set of arms and the second set of arms can... | 05/11/2010 |
| 7697179 | Light deflecting method and apparatus efficiently using a floating mirror Method of deflecting light includes the steps of providing a substrate and forming a supporting member on the substrate. Next forming step forms electrodes at predetermined positions on the substrate. Next forming step forms a plate-like-shaped thin film member incl... | 04/13/2010 |
| 7667887 | Light scanning device, method for controlling light scanning device, and image display device A light scanning device that projects light beams modulated in response to image signals. The light scanning device includes: a light source that emits the light beams; a scanner that scans the light beams from the light source in a first direction and a second dire... | 02/23/2010 |
| 7643204 | Electronically controlled stage lighting system A lighting system operating using a digital mirror as its operative device. The digital mirror is used to shape the light which is a passed through advanced optical devices in order to produce an output. ... | 01/05/2010 |
| 7633671 | High speed beam steering The use of spatial light modulators to steer light beams is disclosed. A dual frequency liquid crystal spatial light modulator can be controlled so as to form a blazed phase grating thereon that effects desire deflection of incident light. ... | 12/15/2009 |
| 7630123 | Method and device for compensating for color shift as a function of angle of view In one embodiment of the invention, a display is provided and includes a plurality of interferometric display elements. The display further includes at least one diffuser. Optical properties of the diffuser are selected to reduce color shift of the display when view... | 12/08/2009 |
| 7576907 | Phase and amplitude light pulse shaping using a one-dimensional phase mask Simultaneous amplitude and phase control of ultrafast laser pulses using a single, linear (one-dimensional) liquid crystal spatial light modulator is described. Amplitude shaping is accomplished by writing a high-frequency phase grating having a spatial period much ... | 08/18/2009 |
| 7535625 | Image recording apparatus A projection optical system has first to fourth lens groups (51) to (54) provided in this order from a SLM, a mirror (32) having an opening is provided between the first lens group (51) and the second lens group (52), and an apertu... | 05/19/2009 |
| 7443572 | Fast-response spatial light modulator A spatial light modulator includes a mirror plate comprising a reflective upper surface, a lower surface, and a cavity having an opening on the lower surface; a substrate comprising an upper surface, a hinge support post in connection with the upper surface, and a h... | 10/28/2008 |
| 7436572 | Micromirrors and hinge structures for micromirror arrays in projection displays A spatial light modulator is disclosed, along with methods for making such a modulator. The spatial light modulator comprises an array of micromirrors each having a hinge and a micromirror plate held via a hinge on a substrate, the micromirror plate being attached t... | 10/14/2008 |
| 7436571 | Micro-displays A micro-display has a device chip with a transparent layer overlying one or more micro-electromechanical system devices. A transparent cover overlies the transparent layer. An index-of-refraction-matching medium is interposed between the transparent layer and the tr... | 10/14/2008 |
| 7433564 | Optical device for optical communication An optical phase modulator made of lithium niobate or the like phase-modulates the output light of a single-wavelength laser light source 20 that emits CW light, and the phase-modulated light is inputted to a dispersion medium 22. The positive chirp an... | 10/07/2008 |
| 7432498 | Method and apparatus for optically detecting and identifying a threat An optical detection apparatus includes a housing having a circumferential opening therein. A primary mirror reflects light rays to form a first set of light rays to a secondary mirror that has a generally concave shape coupled to the housing. A tertiary mirror havi... | 10/07/2008 |
| 7428999 | MEMS-based electro-optical reader and method with extended working range A MEMS-based reader has an extended range of working distances for reading bar code symbols. A digitizer resolves the edges of bar code symbols when located at far-away distances from the reader within the working range. The digitizer includes a differentiator for d... | 09/30/2008 |
| 7430072 | System and method for increasing image quality in a display system System and method for maximizing image quality by eliminating vias on a reflective surface. A preferred embodiment comprises depositing a first portion of a mirror surface over a support surface, applying a protective coating on the mirror surface, and then invertin... | 09/30/2008 |
| 7428092 | Fast-response micro-mechanical devices A spatial light modulator includes a mirror plate comprising a reflective upper surface, a lower surface having a conductive surface portion, and a substrate portion having a first cavity having an opening on the lower surface, a second cavity in the substrate porti... | 09/23/2008 |
| 7423798 | Addressing circuit and method for bi-directional micro-mirror array A control substrate of spatial light modulator for a bi-directional micro mirror array includes a plurality of unit cells, each includes a common electrode at a fixed constant potential and an addressing electrode under the mirror plate on opposite sides of a pivot ... | 09/09/2008 |
| 7417778 | Light deflector, light deflection array, image forming apparatus, and image projection display apparatus A light deflector can be driven by a low voltage by reducing contact area with a plate shape member and other members. The light deflector can be driven by a low voltage by reducing a contact area with a plate shape member and other members. More particularly, a fri... | 08/26/2008 |
| 7417787 | Electrophoretic display device An electrophoretic display device includes a display layer of a multiplicity of individual microcapsules containing a display medium therein and conductive substrates, at least one of the conductive substrates being transparent, wherein the display layer is located ... | 08/26/2008 |
| 7414775 | Contrast enhancement in multichromal display by incorporating a highly absorptive layer A display member having improved optical contrast and brightness. The display member includes bichromal capsules, an absorptive layer, an adhesive layer, a substrate and a top layer. The bichromal capsules form a close-packed monolayer configuration positioned on th... | 08/19/2008 |
| 7411717 | Micromirror device A spatial light modulator comprises an array of micromirror devices each of which has a reflective and deflectable mirror plates. The mirror plates are moved between an ON and OFF state during operation, wherein the OFF state is a state wherein the mirror plate is n... | 08/12/2008 |
| 7411723 | Multi-stage optical switching device An optical switching device contains an active stage coupled to a passive stage. The index of refraction in the active stage is variable to change the entry direction of a light beam into the passive stage, which has a fixed index of refraction. Because the light be... | 08/12/2008 |
| 7411722 | Display system incorporating bilinear electromechanical grating device A line scanned display system includes at least three different colors of illumination provided by one or more light sources, and at least one directional illumination optical system for directing the three different colors of illumination. Also in the system is a b... | 08/12/2008 |
| 7405856 | Display system timing control method A display system includes a light source 110 and a spatial light modulator 122 located to receive light from the light source. The spatial light modulator (e.g., a DMD) includes a number of independently controllable elements that are activated for a p... | 07/29/2008 |
| 7405858 | Acousto-optic tunable filter control apparatus automatically adjusting frequency and power of radio frequency signal An AOTF control apparatus, which applies an RF signal to an AOTF to allow a selected light to pass through the AOTF, includes: a first calculating unit calculating a relationship between a frequency of the RF signal and a wavelength of the selected light based on a ... | 07/29/2008 |
| 7405884 | Optical apparatus An optical apparatus uses a variable-optical-characteristic optical element whereby focusing, zooming or the like can be effected without moving a lens or the like and the whole optical apparatus can be arranged in a lightweight structure. The user wears a power tra... | 07/29/2008 |
| 7405860 | Spatial light modulators with light blocking/absorbing areas A projection system, a spatial light modulator, and a method for forming a micromirror array such as for a projection display are disclosed. The spatial light modulator can have two substrates bonded together with one of the substrates comprising a micro-mirror arra... | 07/29/2008 |
| 7402255 | MEMS scanning mirror with trenched surface and I-beam like cross-section for reducing inertia and deformation A micro-electro-mechanical system (MEMS) device includes a mirror having a top surface with trenches, a beam connected to the mirror, rotational comb teeth connected to the beam, and one or more springs connecting the beam to a bonding pad. The mirror can have a bot... | 07/22/2008 |
