| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359292000 | Light control surface forms image on projected light beam | 49 |
| 20090002805 | PROJECTION DISPLAY SYSTEM INCLUDING A HIGH FILL RATIO SILICON SPATIAL LIGHT MODULATOR - A display system includes a light source and a first optical system coupled to the light source and adapted to provide an illumination beam along an illumination path. The display system also includes a spatial light modulator positioned in the illumination path. The spatial light modulator includes a semiconductor substrate including a plurality of electrode devices and a hinge structure coupled to the semiconductor substrate. The hinge structure includes silicon material. The spatial light modulator also includes a mirror post coupled to the hinge structure and extending to a predetermined distance from the semiconductor substrate and a mirror plate coupled to the mirror post and overlying the plurality of electrode devices. The display system further includes a second optical system coupled to the spatial light modulator and adapted to project an image onto a projection surface. | 01-01-2009 |
| 20090009849 | SPILL LIGHT REMOVING DEVICE - A spill light removing device includes a first blocker which is located perpendicularly to a stream route of light being irradiated from a light source and blocks a stream of light that is incident to the surface of the first blocker, except on a hole formed on the first blocker; a pass-through tunnel which is connected to the hole and is formed in the same direction to the stream route of light and allows the stream of the light to pass through; and a second blocker which has a irregularity pattern that is formed on a inner wall of the pass-through tunnel and reflects the light that is incident in the deviated direction of the stream route of light. | 01-08-2009 |
| 20090009850 | Gamma correction for adjustable light source - The present invention provides a projection apparatus, that includes: a light source; a light source control unit for controlling the output of the light source; at least one spatial light modulator for modulating the illumination light from the light source by a plurality of pixel elements; and an optical system for projecting, onto a screen, the illumination light deflected by the spatial light modulator, wherein: the light source control unit performs a gamma (γ) correction on input image data by a modulation control of the light source. | 01-08-2009 |
| 20090009851 | Projection apparatus with coherent light source - The present invention discloses a projection apparatus comprising: a light source for emitting illumination light; a mirror device comprising a plurality of mirrors for generating an image by reflecting the illumination light toward a projecting direction by means of a deflecting operation; and a projection optical system which is placed in the optical axis of reflection light in the projecting direction of the illumination light incident to the mirror device and which projects the reflection light, wherein the optical axis of the illumination light incident to the mirror device and the optical axis of the reflection light in the projecting direction forms an angle that is larger than the expansion angle α of the flux of the illumination light that satisfies NA=n*sin α, where NA is the numerical aperture of the flux of the illumination light, and n is the reflectance. | 01-08-2009 |
| 20090034053 | System And Method For Controlling A Digital Micromirror Device (DMD) System To Generate An Image - According to particular embodiments, a system comprises one or mores light sources, a Digital Micromirror Device (DMD) system, and a controller. A light source is configured to generate light, and the DMD system comprises DMD regions configured to modulate the light. The controller is configured to repeat the following for a number of iterations: instruct each light source to scroll the light across the DMD system at a current amplitude level; instruct one or more DMD regions to operate as one or more active regions that modulate a first portion of the light to generate an image; and instruct the remaining DMD regions to operate as an amplitude modulation region that receives a second portion of the light, the second portion of the light transitioning from a previous amplitude level to the current amplitude level. | 02-05-2009 |
| 20090040593 | OPTICAL MODULATOR HAVING MULTIPLE RIBBON STRUCTURE - An optical modulator using a plurality of ribbons for rendering a pixel of an image is disclosed. An embodiment of the present invention provides an optical modulator having a multiple ribbon structure that can include a substrate and a first driving ribbon group and a second driving ribbon group, each of which includes at least one ribbon spaced from the substrate and driven upward or downward in accordance with a supplied voltage. A relative displacement between the first driving ribbon group and the second driving ribbon group can modulate an incident beam. By alternately driving the first driving ribbon group and the second driving ribbon group, the image quality of the optical modulator in accordance with an embodiment of the present invention can be robust against environmental factors, such as time, time, temperature and fatigue, and hysteresis. | 02-12-2009 |
| 20090086307 | GRAY LEVEL METHOD FOR SLM-BASED OPTICAL LITHOGRAPHY - An optical lithography system comprises a light source, a spatial light modulator, imaging optics and means for continuously moving a photosensitive substrate relative to the spatial light modulator. The spatial light modulator comprises at least one array of individually switchable elements. The spatial light modulator is continuously illuminated and an image of the spatial light modulator is continuously projected on the substrate; consequently, the image is constantly moving across the surface of the substrate. While the image is moving across the surface, elements of the spatial light modulator are switched such that a pixel on the surface of the substrate receives, in serial, doses of energy from multiple elements of the spatial light modulator, thus forming a latent image on the substrate surface. The imaging optics is configured to project a blurred image of the spatial light modulator on the substrate, enabling sub-pixel resolution feature edge placement. | 04-02-2009 |
| 20090135464 | AREA ARRAY MODULATION AND LEAD REDUCTION IN INTERFEROMETRIC MODULATORS - A light modulator is arranged as an array of rows and columns of interferometric display elements. Each element is divided into sub-rows of sub-elements. Array connection lines transmit operating signals to the display elements, with one connection line corresponding to one row of display elements in the array. Sub-array connection lines electrically connect to each array connection line. Switches transmit the operating signals from each array connection line to the sub-rows to effect gray scale modulation. | 05-28-2009 |
| 20090141336 | PROJECTION DISPLAY DEVICES EMPLOYING FRUSTRATED TOTAL INTERNAL REFLECTION - An image forming device for use in an optical projection device includes an optical interface and an array of movable elements selectively movable toward or away from the optical interface to selectively locally frustrate total internal reflection at the optical interface such that light totally internally reflected at the optical interface defines an image. A projection display device includes an optical projector system including the image forming device. | 06-04-2009 |
| 20090153941 | HINGE MEMORY MITIGATION SYSTEM AND METHOD - Provided are a system and method for reducing failures due to hinge memory. The method, in one embodiment, includes providing a torsional element having an amount of hinge memory, wherein the hinge memory is at least partially created using an average operational temperature. The method, in this embodiment, further includes subjecting the torsional element having the hinge memory to a temperature equal to or greater than the average operational temperature while the torsional element is in a parked state for an amount of time to reduce the amount of the hinge memory. | 06-18-2009 |
| 20090185258 | System configurations and methods for controlling image projection apparatuses - A projection apparatus comprising a light source for emitting incident light and a mirror device that includes a plurality of mirror elements each guiding the incident light to the ON position towards a projection light path under pulse width modulation (PWM) control corresponding to one frame or sub-frame or to the OFF state so as not to guide the incident light to a projection path. The light source is turned off outside the period in which the mirror element with the maximum brightness is in the ON state. | 07-23-2009 |
| 20090257110 | Mirror device comprising drive electrode equipped with stopper function - The present invention provides a mirror device, comprising: a plurality of deflectable mirrors; an elastic member for deflectably supporting the mirror; a drive electrode for driving the mirror; a control circuit for giving electric charge to the drive electrode and controlling the deflecting direction of the mirror; and a substrate on which the drive electrode and the elastic member, wherein the drive electrode is placed within an area on the substrate the mirror is projected on, has an outer form constituted by sides approximately in parallel to the outer peripheral lines of the present mirror and by sides approximately parallel to the deflection axis of the present mirror, or a form obtained by dividing the aforementioned outer form into a plurality thereof, and also fills the role of a stopper for regulating the deflection angle of the mirror. | 10-15-2009 |
| 20090273825 | Mirror device comprising micromirrors possessing a specific natural oscillation frequency - The present invention aims at providing a mirror device, comprising a plurality of mirror elements, wherein each of the mirror elements comprises a deflectable mirror, and an elastic member for deflectably supporting the mirror, wherein the mirror allows to be controlled under a first deflection control state in which incident light is reflected toward a first direction, a second deflection control state in which the incident light is reflected toward a second direction, and a third deflection control state in which the mirror oscillates between the first deflection control state and second deflection control state, wherein the mirror device reproduces gradations by combining the first through third deflection control states, and the natural oscillation cycle T of the oscillation system constituted by the mirror and elastic member satisfies: | 11-05-2009 |
| 20090310210 | DYNAMIC IMAGE REGULATOR - Provided is a dynamic image regulator. The dynamic image regulator is an application device based on a micro-opto-electro-mechanical system (MOEMS). The dynamic image regulator includes a spatial light modulator comprising a plurality of holes and a plurality of controllable movable screens respectively provided at the holes, and transmitting or blocking emitted light for each respective hole; and an amplitude modulator modulating an amplitude of light passing through the spatial light modulator. | 12-17-2009 |
| 20090316253 | ELECTRONIC DEVICE BASED ON ELECTROWETTING EFFECT - An electronic device comprises an array of electro wetting cells, each cell comprising first and second liquids ( | 12-24-2009 |
| 20100027101 | Spatial light modulator with metal layers - The present invention provides image projection system implemented with a spatial light modulator, for modulating an illumination light projected from a light source wherein said spatial light modulator comprising an image projection system implemented with a spatial light modulator for modulating an illumination light projected from a light source wherein said spatial light modulator comprising: at least two electrically conductive layers functioning as two different electrical wirings and said conductive layers having respectively a first and a second longitudinal directions overlapping and crossing each other; and a fixed electric potential layer electrically connected to a fixed electric potential, wherein the two different conductive layers and fixed electric potential layer overlapping one another and disposed at a location along a light path of the illumination light emitted from the light source to block said illumination light. | 02-04-2010 |
| 20100067095 | DISPLAY APPARATUS - A display apparatus ( | 03-18-2010 |
| 20100110529 | BIAXIAL MIRROR COLOR SELECTING MICRO IMAGER - A controllable reflecting device having an array of bi-axial mirrors that are capable of pivoting in at least four directions is described. At least three primary colored light beams are directed at each of the bi-axial mirror in three of the four pivoting directions, one for each of the primary colored light beams and a single colored beam is reflected and directed toward a projection lens. In the fourth pivoting direction, no color beam is directed to the projection lens and black is projected. | 05-06-2010 |
| 20100123947 | FLAT PANEL DISPLAY AND MANUFACTURING METHOD THEREOF - A flat panel display includes a first substrate, a thin film transistor formed on the first substrate, a second substrate facing the first substrate, and a light controller formed on the second substrate, wherein the light controller is electrically connected to the thin film transistor, wherein the light controller includes an opening plate having a plurality of first openings and a light blocker moving horizontally with respect to the opening plate to selectively pass light through the first openings. | 05-20-2010 |
| 20100128340 | BRIGHTNESS ENHANCEMENT BY FLUID INTERFACE DEFORMATION IN TIR-MODULATED DISPLAYS - A reflective display having a plurality of transparent hemi-beads ( | 05-27-2010 |
| 20100128341 | COLOR ELECTROWETTING DISPLAY (EWD) DEVICES - Electrowetting display devices are presented. The electrowetting display includes a first substrate and an opposing second substrate with a polar fluid layer and a color non-polar fluid layer interposed therebetween. A first transparent electrode is disposed on the first substrate. A second electrode is disposed on the second substrate. A hydrophilic partition structure is disposed on the second substrate, thereby defining a plurality of sub-pixels. The color electrowetting display further includes an array of color pixel regions. Each pixel region consists of a set of primary color sub-pixel. Each color sub-pixel corresponds to one of different color non-polar fluid layers, and each of the different color non-polar fluid layers is isolated from each other. The colors of non-polar fluid layer in the neighboring sub-pixels are different. | 05-27-2010 |
| 20100214646 | Spatial light modulator and display apparatus - The present invention provides an image projection system comprising a spatial light modulator (SLM) comprises a plurality of pixel elements, wherein each of the pixel elements further comprises a deflectable mirror, and at least a first electrode and a second electrode for controlling the deflectable mirror to deflect to different tilt angles to reflect and modulate an illumination light for displaying an image; and a controller for applying a voltage to the second electrode wherein the voltage applied in an initial operation period is different from the voltage applied in an image display period. | 08-26-2010 |
| 20100225993 | LIGHT GUIDE UNIT AND DISPLAY DEVICE HAVING THE SAME - A light guide unit includes a light guide plate and a plurality of light-exiting protrusions. The light guide plate includes a light-entering surface, an upper surface connected to the light-entering surface and a lower surface facing the upper surface. The light-exiting protrusions protrude from the upper surface of the light guide plate to have a cylindrical shape in which a cross-section size thereof increases in a direction away from the upper surface of the light guide plate, the light-exiting protrusions being disposed in a light control area which is turned on or off by a microelectromechanical system shutter. Light guided by the light guide unit to the light control area exits through the light-exiting protrusions. | 09-09-2010 |
| 20100284056 | TRANSFLECTIVE ELECTROWETTING DISPLAY DEVICE - Transflective electrowetting display device comprising electrowetting elements, each having at least one reflective area and at least one transmissive area, whereby the surface of the at least one reflective area of the structured reflector is offset in the direction of the viewing side of the display device with respect to the at least one transmissive area of the structured reflector such that a thickness of the second fluid over the at least one transmissive area is greater than the thickness of the second fluid over the at least one reflective area. | 11-11-2010 |
| 20100302619 | System and Method for Displaying Images - System and method for simultaneous display of multiple images using a single light modulator array. A preferred embodiment comprises a light source that produces a light with desired spectral characteristics, a color filter optically coupled to the light source, and an array of light modulators optically coupled to the color filter. The color filter filters light from the light source to produce light of desired wavelengths and the array of light modulators simultaneously displays multiple images onto a display plane. Portions of the array of light modulators are designed so that each portion can independently display an image and the light source provides needed light to display the image. | 12-02-2010 |
| 20100309541 | DUAL DISPLAY - A dual display is disclosed, including a first electrowetting display device and a second electrowetting display device, and a reflection transmission switching device therebetween, wherein the first electrowetting display device and the second electrowetting display device have a function of displaying images and can be switched to a transmissive mode. The invention further provides a dual display, comprising a first substrate, a second substrate opposite the first substrate, a first patterned electrode and a second patterned electrode disposed on the first substrate, a reflective layer disposed on the first patterned electrode, a first patterned hydrophobic layer over the first patterned electrode, a second patterned hydrophobic layer over the second patterned electrode, a wall defining a pixel of the dual display, a first non-polar liquid disposed on the first patterned hydrophobic layer, and a second non-polar liquid disposed on the second patterned hydrophobic layer. | 12-09-2010 |
| 20110043892 | FABRICATION OF A FLOATING ROCKER MEMS DEVICE FOR LIGHT MODULATION - The current disclosure shows how to make a fast switching array of mirrors for projection displays. Because the mirror does not have a via in the middle connecting to the underlying spring support, there is an improved contrast ratio that results from not having light scatter off the legs or vias like existing technologies. Because there are no supporting contacts, the mirror can be made smaller making smaller pixels that can be used to make higher density displays. In addition, because there is not restoring force from any supporting spring support, the mirror stays in place facing one or other direction due to adhesion. This means there is no need to use a voltage to hold the mirror in position. This means that less power is required to run the display. | 02-24-2011 |
| 20110058247 | Mirror device with an anti-stiction layer - A micromirror device includes an elastic hinge for supporting a mirror on a substrate, and an address electrode for deflecting the mirror. The device further includes a protective layer and an oriented monolayer laid to cover a stopper also functioning as an address electrode provided below the mirror and between the mirror and the substrate. | 03-10-2011 |
| 20110122479 | INTEGRATED MODULATOR ILLUMINATION - A spatial light modulator includes an array of elements to modulate light in accordance with image data. The modulator has a display panel having first and second surfaces arranged adjacent to the array of elements such that the second surface is directly adjacent the array of elements to allow a viewer to view an image produced by modulation of light The modulator may also include a light source to provide light to the display panel and illumination dots on the first surface of the display panel to reflect light from the source to the array of elements. | 05-26-2011 |
| 20110141548 | ELECTRO-WETTING DISPLAY PANEL - An electro-wetting display panel including an active device array substrate, a dielectric layer, a wall structure, a first liquid containing dyes, a second liquid, and an opposite substrate is provided. The active device array substrate includes a substrate, scan lines, data lines, and pixels. The pixels are electrically connected with the scan lines and the data lines accordingly. Each pixel includes an active device, a transparent pixel electrode, and a reflective layer. The transparent pixel electrode located above the reflective layer is electrically connected with the active device. The reflective layer has a bumpy surface. The dielectric layer is disposed on the active device array substrate. The wall structure is disposed on the dielectric layer. The first liquid is disposed on the dielectric layer. The opposite substrate is disposed above the active device array substrate. The second liquid is disposed between the active device array substrate and the opposite substrate. | 06-16-2011 |
| 20110141549 | LIGHT MODULATION DEVICE AND PROJECTOR - A light modulation device that modulates an incident luminous flux according to image information to form an image, includes: a light modulation section that is disposed in each of pixels constituting the image, wherein the light modulation section includes a condensing lens that concentrates the incident luminous flux, a shutter that is configured to be movable to a first position in which the shutter allows the luminous flux concentrated by the condensing lens to pass, or a second position in which the shutter blocks the luminous flux concentrated by the condensing lens, and a driver that moves the shutter to the first position or the second position. | 06-16-2011 |
| 20110317247 | PROJECTION APPARATUS - There is provided a projection apparatus including a light source, a micromirror element which tilts a plurality of micromirrors arranged in an array +A° or −A° (A>0) separately from an array surface to form a light image with light components reflected by the plurality of micromirrors, an illumination optical system which uses light emitted from the light source and causes illumination light whose incidence angle is (2A+α)° (α>0) to enter the micromirror element from a direction to which a less than 45° turn is made from a narrow side direction of the array surface of the micromirror element, and a projection optical system which a light image output from the micromirror element enters and which projects the light image onto a projection object. | 12-29-2011 |
| 20120044563 | REDUCED CAPACITANCE DISPLAY ELEMENT - A display element, such as an interferometric modulator, includes a transparent conductor configured as a first electrode and a movable minor configured as a second electrode. Advantageously, the partial reflector is positioned between the transparent conductor and the movable mirror. Because the transparent conductor serves as an electrode, the partial reflector does not need to be conductive. Accordingly, a greater range of materials may be used for the partial reflector. In addition, a transparent insulative material, such as a dielectric, may be positioned between the transparent conductor and the partial reflector, for example, in order to decrease a capacitance of the display element without changing a gap distance between the partial reflector and the movable minor. Thus, a capacitance of the display element may be reduced without changing the optical characteristics of the display element. | 02-23-2012 |
| 20120099179 | METHOD AND DEVICE FOR PROVIDING ELECTRONIC CIRCUITRY ON A BACKPLATE - A MEMS-based display device is described, wherein an array of interferometric modulators are configured to reflect light through a transparent substrate. The transparent substrate is sealed to a backplate and the backplate may contain electronic circuitry fabricated on the backplane. The electronic circuitry is placed in electrical communication with the array of interferometric modulators and is configured to control the state of the array of interferometric modulators. | 04-26-2012 |
| 20120188629 | PROJECTION DEVICE - A projection device includes a light source, three digital micromirror devices (DMDs), a projection lens module, and three converging lenses. The light source emits light towards the three DMDs. Each DMD includes a plurality of reflective mirrors. The projection lens module projects light to a screen. Each reflective mirror selectively reflects light to the projection lens module. Each converging lens is positioned between the projection lens module and a respective DMD. | 07-26-2012 |
| 20130016419 | DISPLAY DEVICEAANM MORITA; TakeomiAACI MobaraAACO JPAAGP MORITA; Takeomi Mobara JPAANM Okamoto; MasatakaAACI ChonanAACO JPAAGP Okamoto; Masataka Chonan JPAANM Muneyoshi; TakahikoAACI ChibaAACO JPAAGP Muneyoshi; Takahiko Chiba JPAANM Nishizawa; ShigekiAACI MobaraAACO JPAAGP Nishizawa; Shigeki Mobara JPAANM Matsumoto; KatsumiAACI MobaraAACO JPAAGP Matsumoto; Katsumi Mobara JP - A display device includes a first substrate; a second substrate; a plurality of pixels; a shutter mechanism section formed in correspondence with each of the pixels, a fluid sealed in an space between the first substrate and the second substrate; and an impact absorption section located to face one substrate among the first substrate and the second substrate, on the side opposite to the side on which the fluid is located. The shutter mechanism section is formed on the second substrate and includes a movable shutter section for controlling a light transmittance of each of the pixels. The impact absorption section includes a third substrate located to face the one substrate, on the side opposite to the fluid, a sealing section for bringing together the one substrate and the third substrate, and a predetermined gap formed among the one substrate, the third substrate and the sealing section. | 01-17-2013 |
| 20130050803 | Variable Length Imaging Apparatus Using Electronically Registered And Stitched Single-Pass Imaging Systems - An imaging apparatus including multiple spatial light modulators, each including light modulating elements arranged in two-dimensional array disposed in a homogenous light field, multiple anamorphic optical systems, each disposed downstream from an associated spatial light modulator, a scan structure, and an image stitching controller. The light modulating elements of each spatial light modulator are individually adjustable to either pass received homogenous light portions to the anamorphic optical systems, or to block/redirect the homogenous light portions, thereby generating a two-dimensional modulated light field. Each anamorphic optical system images and focuses received modulated light field onto an associated substantially one-dimensional scan line portion on the scan structure. The image stitching controller modifies the image data sent to each spatial light modulator such that selected light modulating elements are enabled or disabled, thereby electronically stitching the scan line portions to form a seamlessly stitched scan line image. | 02-28-2013 |
| 20130114123 | MULTIPLE-LINEAR-ARRAY MEMS DISPLAY CHIPS - Single-chip, multiple-linear-array MEMS form the basis for high-resolution, high-frame-rate video displays. | 05-09-2013 |
| 20140009816 | ANNULUS SCATTERING DIFFUSER FOR REFLECTIVE DISPLAY - This disclosure provides systems, methods and apparatus for enhancing the brightness and/or contrast ratio of display devices. In one aspect, the display devices can include an annular diffuser that is configured to scatter light into a ring shaped region. The annular diffuser can include a plurality of axicon lenses or holographic features. The reflective display can include an annular diffuser to shift the direction along which most of the modulated light is scattered away from the direction along which light is specularly reflected by the display devices to reduce specular glare and enhance brightness and/or contrast ratio. | 01-09-2014 |
| 20140036345 | FABRICATION OF A FLOATING ROCKER MEMS DEVICE FOR LIGHT MODULATION - The current disclosure shows how to make a fast switching array of mirrors for projection displays. Because the mirror does not have a via in the middle connecting to the underlying spring support, there is an improved contrast ratio that results from not having light scatter off the legs or vias like existing technologies. Because there are no supporting contacts, the mirror can be made smaller making smaller pixels that can be used to make higher density displays. In addition, because there is not restoring force from any supporting spring support, the mirror stays in place facing one or other direction due to adhesion. This means there is no need to use a voltage to hold the mirror in position. This means that less power is required to run the display. | 02-06-2014 |
| 20140218786 | DEVICES AND METHODS FOR ACHIEVING NON-CONTACTING WHITE STATE IN INTERFEROMETRIC MODULATORS - This disclosure provides systems, methods and apparatus for providing white light color output from an electromechanical systems (EMS) device with reduced likelihood of stiction. In one aspect, interferometric modulators are configured to provide a white color output while having a non-zero modulator gap dimension. Such a feature can reduce problems associated with zero modulator gap dimensions such as stiction. Various methodologies can be used to yield such a non-zero modulator gap and a white color output. In some implementations, for example, an optical element that introduced wavelength dependent phase shift is used. In some implementations this wavelength dependent phase shifting optical element includes a stack of color filters, a hologram, a diffraction grating, or layers of material having specific thicknesses and wavelength dependent indices of refraction. | 08-07-2014 |
| 20140240813 | ANNULUS SCATTERING DIFFUSER FOR DISPLAY WITH REFLECTIVE SURFACE - This disclosure provides systems, methods and apparatus for enhancing the brightness and/or contrast ratio of display devices. In one aspect, the display devices can include an annular diffuser that is configured to scatter light into a ring shaped region. The annular diffuser can include a plurality of axicon lenses or holographic features. The reflective display can include an annular diffuser to shift the direction along which most of the modulated light is scattered away from the direction along which light is specularly reflected by the display devices to reduce specular glare and enhance brightness and/or contrast ratio. | 08-28-2014 |
| 20140320949 | PROJECTION-TYPE DISPLAY APPARATUS AND CONTROL METHOD FOR PROJECTION-TYPE DISPLAY APPARATUS AS WELL AS CONTROL PROGRAM FOR PROJECTION-TYPE DISPLAY APPARATUS - Exemplary embodiments provide a projection-type display apparatus, which can address or realize a reduction in weight and size, a reduction in power consumption, and a reduction in noise, and address or realize a reduction in price, and a control method for the projection-type display apparatus, as well as a control program for the projection-type display apparatus. The projection-type display apparatus includes a solid-state light source that emits light, a mirror device that controls an emitting direction of the incident light to thereby subject the incident light to temporal modulation, and a projecting device that projects the modulated light. | 10-30-2014 |
| 20150070750 | OPTICAL FIBER ARRAY FOR ACHIEVING CONSTANT COLOR OFF-AXIS VIEWING - Some implementations described herein involve defining a viewing angle range, also referred to herein as a viewing cone. The viewing cone may be produced by an array of optical fibers on a display. The optical fiber array may include tapered optical fibers that are capable of increasing the amount of light transmitted through the optical fiber array. The optical fiber array may be a graded index optical fiber array, wherein the refractive index of the optical fiber cores varies along the axis of the optical fibers. | 03-12-2015 |
| 20150138625 | PROJECTION OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS - A projection optical system for use in an image display apparatus having an illumination optical system applying light from a light source, and an image display device receiving the light from the illumination optical system to form a projection image includes a projector lens composed of plural lenses, a first mirror, and a second mirror formed of a concave mirror. The projection optical system is configured to project the projection image onto a projection surface. A projection luminous flux passing through the projector lens to be incident on the first mirror is a luminous flux exhibiting divergence. The projection luminous flux reflected off the second mirror after having reflected off the first mirror is converged once, and the once converged projection luminous flux is projected onto the projection surface. A lens surface of a lens located closest to the first mirror among the lenses of the projector lens is convex. | 05-21-2015 |
| 20150146278 | OPTICAL ARRANGEMENT FOR DIGITAL MICROMIRROR DEVICE - There is provided an optical arrangement comprising a digital micromirror device having a plurality of individually adjustable mirrors, a mirror pair formed from a convex minor and a concave minor having a common centre of curvature, the concave mirror having a greater radius than the convex mirror, characterised in that a collimated space is immediately adjacent the convex minor, and the concave mirror is offset from the convex mirror so as to be capable of forming an image at an effective focal length of the mirror pair. The convex minor and the concave mirror have radii substantially in the proportion 2.5:1, the concave mirror having the greater radius. A confocal microscope using such an arrangement is also provided. | 05-28-2015 |
| 20160025965 | ELECTROOPTICAL DEVICE, METHOD FOR MANUFACTURING ELECTROOPTICAL DEVICE, AND ELECTRONIC APPARATUS - An electrooptical device includes a substrate, a mirror that is made up of a plurality of films which are arranged so as to be separated from the substrate on one plane of the substrate, and a supporting portion that is arranged between the substrate and the mirror, and has a portion which is connected to a portion of the mirror so as to support the mirror, in which the mirror includes a third mirror film which is a reflective metal film that is arranged on a side of the mirror which is opposite to the substrate, a second mirror film which is a high melting point metal film that is arranged between the reflective metal film and the substrate, and a first mirror film which is an antioxidative film that is arranged between the high melting point metal film and the substrate. | 01-28-2016 |
| 20160033757 | PROJECTOR OPTIMIZED FOR MODULATOR DIFFRACTION EFFECTS - An optical system that includes a micro-mirror array optical modulator that can selectively modulate an incident light beam having a defined narrow spectral bandwidth to encode data thereon based on commands to an ON-state or an OFF-state of a micro-mirror. The micro-mirror array optical modulator can redirect light by diffraction and reflection to provide an output modulated light beam that exhibits a diffraction handedness dependent described by an arrangement of diffraction orders that depend in part on the narrow spectral bandwidth of light incident thereupon. An optical element has an optimized limiting aperture for defining portions of a modulated light beam that are blocked and remaining portions that are transmitted. An ON-state efficiency and an OFF-state contrast of an optically transmitted modulated light beam can depend on the diffraction handedness of the output modulated light beam relative to a size and a shape of the optimized limiting aperture. | 02-04-2016 |
| 20160187644 | SIDE-ILLUMINATED EXCITATION OPTICS APPARATUS AND SYSTEMS - One or more excitation energy sources emit light in an excitation spectrum and direct the emitted light as an excitation beam to the emitting surface of a wavelength conversion element directly or via reflection. Distinct areas of the emitting surface are coated with one or more distinct fluorescent phosphors. The phosphor-coated areas receive the excitation beam and generate a sequence of fluoresced light beams at a light output, each fluoresced beam of a narrow spectrum determined by the type of phosphor and the excitation spectrum. The fluoresced beams travel parallel to an emitting axis at a non-zero angle to axes associated with the excitation beams. | 06-30-2016 |
