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Optical Device With Multisection Semiconductor Optical Amplifiers for Achieving Wide Optical Bandwidth and Large Output Power

Thu, 03 Nov 2016 08:00:00 EDT

An optical device includes a first semiconductor optical amplifier having an active region embedded into a waveguide and including a first section intended for amplifying optical signals when it is crossed by a first current smaller than a chosen value inducing amplification over a large optical bandwidth, and a second section intended for amplifying the optical signals amplified by the first section when it is crossed by a second current greater than this chosen value, to deliver output optical signals with a large power.



WAVEGUIDE AMPLIFICATION SWITCH

Thu, 03 Nov 2016 08:00:00 EDT

An apparatus includes a polymer waveguide having a doped region, with amplifying dopant, separating a first un-doped region and a second un-doped region. The doped region being doped with an amplifying dopant. An optical pump source illuminates the doped region to allow light to transmit from the first un-doped region to the second un-doped region.



Three-Dimensional Label Having Moving Patterns Using Fine Patterns And Microlens

Thu, 03 Nov 2016 08:00:00 EDT

A 3-D label is disclosed including moving patterns using fine patterns and microlenses, including a lens layer in which a pattern display unit having microlenses that are convex in a semicircumferential form arranged at specific intervals and to represent patterns formed in a pattern layer regardless of a visual field focal length and a secret unit placed on one side of the pattern display unit and displaying intended patterns formed in the pattern layer when a predetermined visual field focal length is reached are integrated and formed; and the pattern layer disposed under the lens layer and having patterns formed thereon so that the distance between the central point of each of the microlenses and the central point of an adjacent microlens is matched with the distance between the central point of each of pattern cells and the central point of an adjacent pattern cell in the state.



QUANTUM COMPUTER AND QUANTUM COMPUTING METHOD

Thu, 03 Nov 2016 08:00:00 EDT

According to an embodiment, a quantum computer includes physical systems Xi, a physical system Yj and a light source unit. The physical systems Xi and the physical system Yj are provided in a cavity. Each physical system Xi includes states |0>i, |1>i, |2>i and |e>i, the states |0>i and |1>i being used for a qubit, a |2>i-|e>i transition being resonant with a cavity mode of the cavity. The physical system Yj includes states |2>′j and |e>′j, a |2>′j-|e>′j transition being resonant with the cavity mode. The light source unit applies laser beams to the cavity to manipulate states of two of physical systems Xi, the laser beams including a laser beam for collecting population in the state |2>′j in the |2>′j-|e>′j transition.



HOLOGRAPHIC DISPLAY APPARATUS AND HOLOGRAPHIC DISPLAY METHOD FOR PROVIDING ENHANCED IMAGE QUALITY

Thu, 03 Nov 2016 08:00:00 EDT

A holographic display apparatus includes: a light source configured to emit light; a spatial light modulator configured to sequentially generate hologram patterns for modulating the light and to sequentially reproduce frames of hologram images based on the hologram patterns; and a controller configured to provide hologram data signals to the spatial light modulator, the hologram data signals being used to sequentially generate the hologram patterns. The controller is configured to further provide, to the spatial light modulator, diffraction pattern data signals for forming periodic diffraction patterns for adjusting locations of the hologram images to be reproduced on a hologram image plane, the diffraction pattern data signals being configured to move the periodic diffraction patterns on the spatial light modulator along a predetermined direction for each of the frames.



APPARATUS AND METHOD FOR RECORDING FRESNEL HOLOGRAMS

Thu, 03 Nov 2016 08:00:00 EDT

An apparatus for producing a hologram of an object includes a light source that emits an incoherent electromagnetic wave toward the object, and a masking device configured to display a mask, receive the incoherent electromagnetic wave emitted toward the object, mask the received incoherent electromagnetic wave according to the displayed mask, and produce a masked electromagnetic wave. The apparatus also includes an image recording device configured to capture an image of the masked electromagnetic wave, and a processing device configured to convert the image of the masked electromagnetic wave into the hologram of the object. A method for producing a hologram of an object is also described.



EXPOSURE METHOD OF HOLOGRAPHIC GRATING AND EXPOSURE LIGHT PATH

Thu, 03 Nov 2016 08:00:00 EDT

The invention provides an exposure method of a holographic grating and an exposure light path. The exposure method includes: (1) determining initial positions (C, D) of the two exposure light sources (S1, S2); (2) calculating imaging quality parameters of the grating; (3) setting a compensating mirror (A1) in the initial light path; (4) adjusting a position of the exposure light source (S1) to a new position (D1) according to a position of the compensating mirror (A1); (5) calculating imaging quality parameters of the grating; (6) judging whether the imaging quality parameters in the step (5) and the imaging quality parameters in the step (2) are equal, and if yes, using the new position (D1) as a final position of the exposure light source (S1). The exposure method and exposure light path may effectively solve a problem of a much too close distance between exposure light sources.



OPTICAL IMAGING SYSTEM

Thu, 03 Nov 2016 08:00:00 EDT

An optical imaging system according to the present invention includes, in order from an object side to an image side, a first lens with negative refractive power, a second lens that is a meniscus lens having a convex image-side surface, an aperture stop, a third lens with positive refractive power, and a lens group with positive refractive power. When the center thickness of the first lens is represented as t1, the center thickness of the second lens is represented as t2 and the focal length of the whole system is represented as f, t1/f>1.2 and t2/f>1.2 are satisfied.



Apparatus and Method for Producing Short Radiation Pulses

Thu, 03 Nov 2016 08:00:00 EDT

The invention relates to an apparatus (1) for producing short synchronous radiation pulses at different wavelengths, particularly to an optically parametric oscillator, comprising at least one pump radiation source (2), preferably a pump laser, for outputting radiation at a pump wavelength, and a resonator (3) having a wavelength-dependent effective resonator length, wherein the resonator (3) has a non-linear wavelength converter (4) for producing radiation at a first and a second wavelength; a dispersive element (5) having a strong wavelength-dependent delay characteristic; and a coupling-out element (6) for at least partially coupling-out the radiation from the resonator (3). In addition, the invention relates to a method for producing short radiation pulses by means of an apparatus (1), particularly an optically parametric oscillator.



LASER APPARATUS WITH CASCADE OF NONLINEAR FREQUENCY MIXERS

Thu, 03 Nov 2016 08:00:00 EDT

A laser apparatus generating frequency converted light. Embodiments of the laser apparatus described herein apply a cascade of nonlinear frequency mixers for sum frequency generation (SFG) or difference frequency generation (DFG) between two frequency components of a spectrally combined laser beam with at least two spectral components originating from two respective laser sources, SFG of two frequency components beams offers up to a factor of four amplification of output power over SHG of a single laser beam.



SYSTEMS AND METHODS FOR LASER SYSTEMS WITH VARIABLE BEAM PARAMETER PRODUCT UTILIZING THERMO-OPTIC EFFECTS

Thu, 03 Nov 2016 08:00:00 EDT

In various embodiments, a beam-parameter adjustment system and focusing system alters a spatial power distribution of a radiation beam, via thermo-optic effects, before the beam is coupled into an optical fiber or delivered to a workpiece.



COLOR FILTER SUBSTRATE, MANUFACTURING METHOD THEREOF, METHOD FOR MANUFACTURING SPACERS, AND DISPLAY DEVICE

Thu, 03 Nov 2016 08:00:00 EDT

A color filter substrate, a manufacturing method thereof, a method for manufacturing spacers, and a display device are disclosed. The color filter substrate includes: a black matrix and a color filter layer. Areas provided with the black matrix include first areas and second areas; the color filter layer is provided with grooves; the grooves of the color filter layer correspond to the first areas; the color filter layer and the black matrix are overlapped with each other at the second areas; and an upper surface of the color filter substrate at the second areas is higher than the upper surface of the color filter substrate at the first areas.



BEAM MODULATOR AND DISPLAY APPARATUS USING THE SAME

Thu, 03 Nov 2016 08:00:00 EDT

Disclosed are a beam combining/splitting modulator, a display apparatus including the same, and a spatial light modulation method. The beam combining/splitting modulator includes a light modulator including first and second modulation regions for modulating light, a polarization converter disposed at a side of an emitting surface of the light modulator and including a first transmissive region for polarizing and converting light incident from the first modulation region to have a first polarization and a second transmissive region for polarizing and converting light incident from the second modulation region to have a second polarization, a birefringence modulator disposed at the side of an emitting surface of the polarization converter and switching between a first state in which birefringence occurs and a second state in which birefringence does not occur, and a polarizer disposed at the side of an emitting surface of the birefringence modulator.



Optical Imaging Systems with Microlens Array with Integral Structure

Thu, 03 Nov 2016 08:00:00 EDT

An optical imaging system with microlens array with integral structure includes a microlens array having a back surface for depositing sample material to be imaged and one or more microlenses on a front surface. At least one of the one or more microlenses are aligned to the deposited sample material. A plate is attached to the microlens array. A microscope objective is positioned proximate to the plurality of microlenses.



UNIFORMITY ADJUSTMENT METHOD FOR A DIODE-LASER LINE-PROJECTOR

Thu, 03 Nov 2016 08:00:00 EDT

In a line projector a diode-laser beam having an elliptical cross-section is projected onto a Powell lens which spreads the beam to form a line of light. Distribution of power along the line of light is adjusted by rotating the diode-laser beam with respect to the Powell lens.



HEAD-MOUNTED DISPLAY WITH FILTER FUNCTION

Thu, 03 Nov 2016 08:00:00 EDT

The invention provides a head-mounted display (1) comprising: —an optical module (2) containing an image source (21); —an imager (3) for guiding light emitted by the image source (21) to a wearer's eye (E) in operation; and —a light filter for filtering a portion of light emitted by the image source (21). The invention also provides an ophthalmic lens (4) intended to be mounted onto a head-mounted display (1) comprising an image source (21), wherein said ophthalmic lens (4) comprises a light filter intended to filter light emitted by the image source (21) of the head-mounted display (1) in operation.



OPTICAL ASSEMBLY FOR HEAD-MOUNTED DISPLAY AND HEAD-MOUNTED DISPLAY

Thu, 03 Nov 2016 08:00:00 EDT

A head-mounted display optical system includes: a light deflecting element that changes a propagating direction of light from a light source; a first lens group that has a positive refracting power as a whole, includes a plurality of rotationally symmetrical lenses formed in a rotationally symmetrical manner with respect to an optical axis and one free-form surface lens formed in a rotationally asymmetrical manner with respect to the optical axis, and condenses the light incident through the light deflecting element; a second lens group that includes one lens having a positive refracting power that is arranged in a vicinity of an imaging position of an intermediate image formed by the first lens group; a third lens group that includes one rotationally symmetrical lens formed in a rotationally symmetrical manner with respect to the optical axis and one free-form surface lens formed in a rotationally asymmetrical manner with respect to the optical axis; and a light reflecting element that has a free-form surface shape formed in a rotationally asymmetrical manner with respect to the optical axis and has a reflection surface that reflects the light having transmitted through the third lens group, in a sequence from a side of the light source side, wherein: the light having reflected from the reflection surface and arrived at a drawing surface, which is assumed to be located on a retina of an user, moves on the drawing surface in accordance with changes of the propagating direction of the light from the light source made by the light deflecting element, so that an image is drawn on the drawing surface.



Head-Up Display Device

Thu, 03 Nov 2016 08:00:00 EDT

There is provided an HUD apparatus including: a display device that is provided inside a vehicle interior and projects display light, and a reflective member that is provided on an instrument panel, has retroreflectivity, reflects the display light projected from the display device, and guides the display light to a windshield. The display device is disposed at outside of the instrument panel in the vehicle interior.



IMAGE DISPLAY DEVICE AND OBJECT APPARATUS

Thu, 03 Nov 2016 08:00:00 EDT

An image display device includes a light source unit to emit light, an image forming element to form an image with the light emitted from the light source unit, a micro-lens array to be irradiated with the light forming the image, the micro-lens array including a plurality of lens columns arranged in a second direction, each lens column including micro-lenses being arranged in a first direction, the first direction and the second direction being perpendicular with each other, and a projection optical system to project light passing through the micro-lens array toward a transmitting and reflecting member. The condition B1M2 or B1>B2 and M1



ARRANGEMENT FOR CORRECTING ABERRATIONS IN A MICROSCOPE

Thu, 03 Nov 2016 08:00:00 EDT

The invention relates to an arrangement for correcting aberrations of a specimen surface that vary across the visual field on a microscope, including a lens, a tubular lens, an imaging optics element, a pupil stop disposed in the beam path, and at least one optical element for optical-geometric separation of different image field regions. The optical element for optical-geometric separation of different image field regions is arranged in or near the intermediate image plane. Each individual element of the optical element for optical-geometric separation of different image field regions performs a pupil imaging, defined by the dimensions of the covered area of the intermediate image, such that a distribution of sub-pupils occurs, wherein each sub-pupil is allocated to the angle distribution from the associated image field region.



MICROMECHANICAL DEVICE FOR PROJECTING AN IMAGE AND FOR ANALYZING AN OPTICAL SPECTRUM AND CORRESPONDING MANUFACTURING METHOD

Thu, 03 Nov 2016 08:00:00 EDT

A micromechanical device for projecting an image and for analyzing an optical spectrum and a corresponding manufacturing method. The device includes: a first light providing unit by which a first light beam is providable to the device; a diffraction unit for diffract the first light beam provided to the device as a function of a diffraction property of the diffraction unit; a second light providing unit by which a second light beam is providable to the device; a micromirror by which the second light beam provided to the device is variably deflectable as a function of a position and/or an orientation of the first micromirror; and a first actuator by which the adjustable diffraction property of the optical diffraction unit and also the position and/or the orientation of the micromirror are adjustable.



LENS POSITIONING SYSTEM

Thu, 03 Nov 2016 08:00:00 EDT

A scanner includes a lens assembly comprising a lens having a lens axis and a positioning system to adjust a focal plane of the lens assembly. The positioning system includes an outer element, an inner element that houses the lens assembly, and a linear-motion bearing that couples the inner element to the outer element. The linear-motion bearing includes a first element coupling and a second element coupling. The linear-motion bearing provides a single degree of translational movement of the inner element along the lens axis.



OPTICAL SYSTEM, STEREOSCOPIC IMAGING DEVICE, AND ENDOSCOPE

Thu, 03 Nov 2016 08:00:00 EDT

An optical system 1 includes, in order from an object side to an image plane side, a front group Gf including a first front group Gf1 arranged centering a first front central axis Cf1 and a second front group Gf2 arranged centering a second front group central axis Cf2 as a rotation symmetry axis extending parallel to the first front group central axis Cf1; and a back group Gb arranged centering a single back group central axis Cb. A central principal ray of a first light beam L1 that has passed through the first front group Gf1 and a central principal ray of a second light beam L2 that has passed through the second front group Gf2 do not cross each other from when they exit from the back group Gb to when they reach the image plane.



Multi-Color Scanning Microscope

Thu, 03 Nov 2016 08:00:00 EDT

The invention relates to a multi-color scanning microscope comprising at least one first light source for emitting a first excitation beam comprising first excitation light having a first wavelength and a second light source for emitting a second excitation beam comprising second excitation light having a second wavelength, which differs from the first wavelength, comprising coupling-in means for coupling the first excitation beam and/or the second excitation beam into an excitation beam path, comprising optical means for guiding the first excitation beam and the second excitation beam to a sample and for guiding detection light emitted by the sample in a detection beam path to a detection unit, wherein the optical means comprise at least the following components: at least one first main color splitter for separating the first excitation light and/or the second excitation light, on the one hand, from the detection light emitted by the sample, on the other hand, a scanner for scanning the sample with at least the first excitation light and the second excitation light, a microscope objective for focusing the first excitation light and the second excitation light onto or into the sample and for guiding the detection light emitted by the sample in the direction of the detection unit, and comprising the detector unit for detecting the detection light emitted by the sample. The microscope is characterized in that the coupling-in means and at least parts of the optical means are designed and arranged in such a way that the first excitation beam having the first wavelength is guided onto a first sample location and the second excitation beam having the second wavelength is guided onto a second sample location, which differs from the first sample location, and in that the detector unit comprises a first detector for detecting the light emitted by the first sample location and a second detector for detecting the light emitted by the second sample location.



LENS MODULE

Thu, 03 Nov 2016 08:00:00 EDT

A lens module may include a first lens having positive refractive power, a second lens having refractive power, a third lens having positive refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having negative refractive power. An inflection point may be formed on an image-side surface of the sixth lens. A turning point may be formed on an image-side surface of the seventh lens. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.



LENS MODULE

Thu, 03 Nov 2016 08:00:00 EDT

A lens module may include a first lens having positive retractive power, a second lens having retractive power, a third lens having positive refractive power, a fourth lens having refractive power, a fifth lens having refractive power, a sixth lens having refractive power, and a seventh lens having negative refractive power. An inflection point may be formed on an image-side surface of the sixth lens. A turning point may be formed on an image-side surface of the seventh lens. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are disposed in a sequential order from the first lens to the seventh lens.



PHOTOGRAPHING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

Thu, 03 Nov 2016 08:00:00 EDT

A photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The third lens element has positive refractive power, wherein both surfaces thereof are aspheric. The fourth lens element has refractive power, wherein both surfaces thereof are aspheric. The fifth lens element has negative refractive power, wherein both surfaces thereof are aspheric. The sixth lens element with positive refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof, wherein both of the two surfaces are aspheric.



IMAGING LENS AND IMAGING APPARATUS

Thu, 03 Nov 2016 08:00:00 EDT

An imaging lens includes, in order from the object side to the image side: a negative first lens; a positive second lens; a positive third lens; a negative fourth lens; a positive fifth lens; a positive sixth lens; and a negative seventh lens. In the imaging lens, Conditional Formula (1) related to the radius of curvature R2 of the surface of the first lens toward the image side and the focal length f of the entire lens system and Conditional Formula (2) related to the radius of curvature R3 of the surface of the second lens toward the object side and the focal length f of the entire lens system are satisfied. 1



LENS BARREL

Thu, 03 Nov 2016 08:00:00 EDT

A lens barrel includes at least one lens, the optical axis of the lens; the first frame (the fixed frame 900) having the first restricting portion (901, 902) and having an approximately cylindrical shape about the optical axis; the second frame (1000) having the cam groove (1036) and having an approximately cylindrical shape about the optical axis; the third frame (510) having the guide portion (511) which restricts inclination thereof with respect to the first contact portion (514) and the optical axis and having an approximately cylindrical shape about the optical axis; the drive arm (520) having a cam follower (523), the second restricting portion (524, 525) and the second contact portion (526), and having an approximately arcuate shape constituted of a portion of a circular cylinder about the optical axis or an approximately plate shape; the guide shaft (601) for guiding the guide in a movable manner in the optical axis direction; and the spring (603). The first restricting portion engages with the second restricting portion. The cam engages with the cam groove (1036). The drive arm moves approximately parallel to the optical axis due to the relative rotation of the second with respect to the first frame, the third is biased by the thus bringing the first contact portion and the second contact portion into contact with each other, and the third frame moves in the optical axis direction in an interlocking manner with the drive with the inclination of the guide being restricted by the guide.



OPTICAL DEVICE

Thu, 03 Nov 2016 08:00:00 EDT

An optical device includes a lens assembly that performs a forward/backward movement in an optical axis direction. The optical device also includes at least one first driving device that generates a first driving force that causes the lens assembly to perform the forward/backward movement in the optical axis direction. The optical device further includes at least one second driving device that generates a second driving force in a direction that is opposite to the moving direction of the lens assembly. The second driving force may be formed to be equal to or smaller than the first driving force so that the reciprocating amplitude of the lens assembly may be reduced when the lens assembly reciprocates before and after the focusing position. The optical device as described above may be variously implemented according to embodiments.



Lens Moving Apparatus and Camera Module and Optical Device Including the Same

Thu, 03 Nov 2016 08:00:00 EDT

Embodiments provide a lens moving apparatus including a bobbin including a first coil disposed on an outer circumferential surface thereof, a housing provided with first and second magnets for moving the bobbin by interaction with the first coil, upper and lower elastic members each coupled to both the bobbin and the housing, and a first position sensor for detecting a sum of intensities of magnetic fields of the first and second magnets, wherein the first position sensor is disposed in a space between the first magnet and the second magnet when the bobbin is disposed at an initial position.



Lens Driving Unit, Camera Module and Optical Apparatus

Thu, 03 Nov 2016 08:00:00 EDT

A lens driving device is provided, the lens driving device including: a housing; a bobbin disposed at an inner side of the housing; a first driving part disposed on the bobbin; a second driving part disposed on the housing and facing the first driving part; a first mounting part disposed on the bobbin; a second mounting part disposed on the bobbin and disposed at an opposite side of the first mounting part based on a center of the bobbin; a first magnet disposed on the first mounting part; a sensor part sensing a position of the first magnet; and a second magnet disposed on the second mounting part.



VIRTUAL IMAGE MASK FOR SMARTWATCHES

Thu, 03 Nov 2016 08:00:00 EDT

Using this invention, smartwatches can provide a big screen viewing experience.



POLARIZER, AND POLARIZING PLATE AND POLARIZING LAMINATED FILM INCLUDING THE SAME

Thu, 03 Nov 2016 08:00:00 EDT

A polarizer having a maximum absorbance at wavelengths from 280 to 320 nm is less than or equal to 0.70. A polarizing plate including the polarizer and a protective film disposed on the polarizer with an adhesive layer of a cured product of a light-transmitting adhesive being interposed. A polarizing laminated film including a substrate film and the polarizer provided on each of opposing surfaces of the substrate film.



RANDOM DISPERSION-TYPE REFLECTION POLARIZER

Thu, 03 Nov 2016 08:00:00 EDT

A reflection-type polarizer according to the present invention has an improved bright line visibility phenomenon and a wider viewing angle, compared with a conventional dispersion-type reflection polarizer, and can maximize luminance improvement while minimizing optical loss. In addition, in connection with implementing a reflection polarizer, a group dispersion body can be formed through simple control, making it possible to maximize productivity improvement through process simplification.



SYNTHETIC DIAMOND OPTICAL MIRRORS

Thu, 03 Nov 2016 08:00:00 EDT

A mirror for use in high power optical applications, the mirror comprising: a support plate comprising a synthetic diamond material; anda reflective coating disposed over the support plate,wherein the reflective coating comprises a bonding layer of carbide forming material which bonds the reflective coating to the synthetic diamond material in the support plate, a reflective metal layer disposed over the bonding layer, and one or more layers of dielectric material disposed over the reflective metal layer,wherein the bonding layer and the reflective metal layer together have a total thickness in a range 50 nm to 10 μm with the reflective metal layer having a thickness of no more than 5 andwherein the support plate and the reflective coating are configured such that the mirror has a reflectivity of at least 99% at an operational wavelength of the mirror.



CONFORMAL OPTICAL METASURFACES

Thu, 03 Nov 2016 08:00:00 EDT

Structures for scattering light at multiple wavelengths are disclosed. Scattering elements are fabricated with different geometric dimensions and arrangements, to scatter or focus light at the the same focal distance for each wavelength, or at different focal distances according to the desired application. The scattering elements fabricated on a substrate can be peeled off with a polymer matrix and attached to a lens to modify the optical properties of the lens.



OPTICAL MEMBER, METHOD FOR MANUFACTURING THE SAME, AND IMAGE PICKUP DEVICE

Thu, 03 Nov 2016 08:00:00 EDT

Provided is an optical member that has a catalyst layer formed on its optical functional surface and zinc oxide formed to have a minute uneven structure where bump structures, each of which is oriented in a C-axis and is of a bell shape or a pyramid shape, are disposed substantially periodically on a surface of the catalyst layer. Preferably, the catalyst layer contains a catalyst material mainly including at least one element selected from among palladium, platinum, gold, silver, ruthenium, and rhodium. Thus, the optical member having a minute uneven structure formed on its surface and a method for easily manufacturing such an optical member can be provided.



METHOD AND APPARATUS FOR PERFORMING OPTICAL IMAGING USING FREQUENCY-DOMAIN INTERFEROMETRY

Thu, 03 Nov 2016 08:00:00 EDT

An apparatus and method are provided. In particular, at least one first electro-magnetic radiation may be provided to a sample and at least one second electro-magnetic radiation can be provided to a non-reflective reference. A frequency of the first and/or second radiations varies over time. An interference is detected between at least one third radiation associated with the first radiation and at least one fourth radiation associated with the second radiation. Alternatively, the first electro-magnetic radiation and/or second electro-magnetic radiation have a spectrum which changes over time. The spectrum may contain multiple frequencies at a particular time. In addition, it is possible to detect the interference signal between the third radiation and the fourth radiation in a first polarization state. Further, it may be preferable to detect a further interference signal between the third and fourth radiations in a second polarization state which is different from the first polarization state. The first and/or second electro-magnetic radiations may have a spectrum whose mean frequency changes substantially continuously over time at a tuning speed that is greater than 100 Tera Hertz per millisecond.



Reversible Camouflage Material

Thu, 03 Nov 2016 08:00:00 EDT

A reversible camouflage material including a textile layer having a woodland camouflage print thereon, an infrared suppressing layer, and a textile layer having a desert camouflage print thereon is provided. The infrared suppressing layer may include a polyurethane layer sandwiched between a carbon-containing ePTFE layer and an ePTFE layer. The carbon may be provided in an oleophobic layer on the ePTFE or within the ePTFE film. In one embodiment, the desert camouflage textile is absent and a coating composition that includes a colorant and infrared suppressive additives is applied to the outer surface of the ePTFE layer. The inventive camouflage material demonstrates camouflage concealment in the near IR (nIR) and short wave infrared (SWIR) wavelengths of the electromagnetic spectrum. In addition, the camouflage material is highly breathable and lightweight. The material is particularly suitable for making reversible camouflage garments such as jackets and pants.



POSITIONING DEVICE FOR OPTICAL MEMBRANE

Thu, 03 Nov 2016 08:00:00 EDT

The present invention provides a positioning device for an optical membrane that includes at least one positioning hole formed on the optical membrane and at least one positioning pole interposed into the positioning hole respectively, the optical membrane is fixed onto a carrying substrate by traversing said positioning holes by said positioning poles, wherein the profile of each positioning hole extending in corresponding position in the expansion and shrink direction of the optical membrane. A certain width could be reserved in the positioning hole to allow the optical membrane expand and shrink freely at each fixing point and the positioning pole cannot interfere with the positioning hole at the moment of the optical membrane expands and shrinks to cause bending, thus to guarantee flatness of the optical membranes and improve the quality of the backlight module.



ASYMMETRIC SECTIONED CONVEX MIRRORS

Thu, 03 Nov 2016 08:00:00 EDT

Asymmetric sectioned mirrors are presented. The mirrors include, for example, constant radius of curvature sections that are selected to increase the sizes and improve the definitions of images, for example images of children milling, walking and/or standing about either the front or alongside regions of a school bus. The mirrors may be asymmetric in either or both the horizontal and vertical directions. The mirrors may include a mounting system capable of using both ball mounts and tunnel mounts.



BLIND SPOT ASSIST DEVICE

Thu, 03 Nov 2016 08:00:00 EDT

Provided is a blind spot assist device capable of more easily showing the image of a blind-spot zone continuously with the image directly viewed by a viewer. The blind spot assist device shows the image of the blind-spot zone blocked by an obstacle, and is provided with a pair of parallel plane mirrors to which light representing the image is incident, the pair of parallel plane mirrors comprising a semitransparent plane mirror and a plane mirror opposed to each other. The semitransparent plane mirror is provided on the viewer side for reflecting part of the light and transmitting part of the light. The plane mirror reflects the light to the semitransparent plane mirror. The pair of plane parallel mirrors is provided in such a manner that the width in a direction perpendicular to the travel direction of the light decreases gradually toward the travel direction of the light.



DIMMING CONTROL DEVICE

Thu, 03 Nov 2016 08:00:00 EDT

A dimming control device includes a transmittance changing part provided on a windshield of a vehicle and configured to change light transmittance of the windshield; a detector configured to detect a position of a contact operation on the windshield by a user; and a dimming control part configured to change the transmittance according to the position of the contact operation on a detection surface of the detector on condition that the detector has detected a contact operation at a control start region which is preset within the detection surface.



Paging Device

Thu, 03 Nov 2016 08:00:00 EDT

A paging device allows a user to flip a stack of papers very swiftly. The paging device integrates a rubberized tip and an ergonomic handle with gel rests in stress points. The paging device further includes a set of accessories such as a detachable highlighter and a detachable magnifier. The highlighter is in the form of a wheel. Either of the highlighter and magnifier is housed with a cap.