Abstract: A display device includes a display panel including a folding area and a non-folding area which is adjacent to the folding area, a support member facing the folding area and the non-folding area of the display panel and having a total planar area, and a light shielding layer between the display panel and the support member and having a total planar area which is smaller than the total planar area of the support member.

Abstract: A thermal infrared sensor with a mount so that it can be fixed onto infrared windows to provide a solution for performing continuous thermal monitoring of equipment that is provisioned with one or more infrared windows. The IR mount can be made out of any material or combination thereof. The mount can be attached in any possible form to the Infrared window or enclosure surrounding the Infrared window. The mount can fully or partially cover the Infrared window to be monitored. Depending on its implementation it could also fully or partially cover more than just one infrared window. The mount can be a mount made specifically for one or more types of Infrared windows or a generic mount. It could be an existing mount that could be used in such a way that when combined with the second element it enables the presented invention.

Abstract: Systems and methods for trapping and holding airborne particles using an orienting hollow beam are disclosed. In the various embodiments, an optical trap comprises: a light source for generating a beam of light; optics and/or mechanics for forming and shaping the beam of light into an orienting hollow beam having unequal axisymmetry with a substantially hollow ring geometry cross-section and no angular momentum; an optical focusing element for focusing the orienting hollow beam; and a trapping region where an airborne particle can be present to be trapped and held at or near a focal point of the focused optical focusing element. In this arrangement, the particle is trapped at or near the focal point of the focused orienting hollow beam. In this arrangement, the particle is trapped at or near the focal point of the focused orienting hollow beam. The orienting hollow beam may be made rotatable in some embodiments.

Abstract: An imaging lens assembly has an optical axis and includes a plastic lens element set. The plastic lens element set includes two plastic lens elements and at least one anti-reflective layer. The two plastic lens elements, in order from an object side to an image side along the optical axis are a first plastic lens element and a second plastic lens element. The anti-reflective layer has a nanostructure and is disposed on at least one of an image-side surface of the first plastic lens element and an object-side surface of the second plastic lens element.

Abstract: An optical system, a lens module, and an electronic device are provided. The optical system includes, in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens with, and a seventh lens. The first lens has an object-side surface which is convex at an optical axis and an image-side surface which is concave at the optical axis and at a circumference. The second lens has an object-side surface which is convex at the optical axis and an image-side surface which is concave at the optical axis and at a circumference. The seventh lens has an image-side surface, which is concave at the optical axis and has at least one inflection point. The optical system satisfies the following expression: f/EPD<1.7.

Abstract: Described herein are embodiments of a diffractive optical element (23) such as a grism. In one embodiment, the diffractive optical element (23) includes an input surface (31) configured to receive an input optical signal (29), a diffractive surface (33) adapted to spatially disperse the input optical beam (29) into a dispersed signal and an output surface (35) configured to output the dispersed signal from the diffractive optical element. The input surface (31) and the diffractive surface (33) are non-parallel and the diffractive surface (33) is formed in situ by a photolithographic technique.

Abstract: A system and method for controlling particles using projected light are provided. In some aspects, the method includes generating a beam of light using an optical source, and directing the beam of light to a beam filter comprising a first mask, a first lens, a second mask, and a second lens. The method also includes forming an optical pattern using the beam filter, and projecting the optical pattern on a plurality of particles to control their locations in space.

Abstract: A particle agglomeration system for improving filtering capacity of an HVAC system is disclosed. The system may include a first plate. The first plate may include a first sound generator. The system may include a second plate. The second plate may include a second sound generator. The system may include a frame. The frame may be configured to position the first plate relative to the second plate. A standing sound wave may be formable between the first sound generator and the second sound generator.

Abstract: The invention relates to an aggregating device for separating and/or cleaning aerosols and solid material particles and fibers from gas as well as solid material particles and fibers from liquid materials by acoustophoresis, comprising I) conveying means for receiving and/or conveying an aerosol and/or a liquid material in the conveying direction into the aggregating device, II) at least one exciter for generating an acoustic sound wave which impinges upon the aerosol and/or the liquid material, and III) a mechanism for separating a first material part containing condensed liquids and/or aggregated solid materials from the aerosol and/or the liquid material, and the use thereof for carrying out the acoustophoric method.

Abstract: An imaging device according to this disclosure includes: a visible light camera that captures an image of a face of a person to be authenticated; a plurality of infrared light cameras that is provided on a housing with the visible light camera and captures an image of an iris of the person to be authenticated; and an optical filter that is provided on the housing so as to cover a light receiving surface of each of the plurality of infrared light cameras and not to cover a light receiving surface of the visible light camera, and has a pass band in an infrared region and a blocking band in a visible region.

Abstract: An optical filter has a back-scattering property. The linear transmittance thereof to light of at least some avelengths in the wavelength range of 760-2000 nm is 60% or higher. The azimuth is 20° from an incidence plane when the polar angle of the direction of incidence of incident light is 0°. The value of a bidirectional reflectance distribution function in the direction ‘here the polar angle is ?60’ is BRDF (0°; 20°, ?60°). The azimuth is 20° from an incidence plane when the polar angle of the direction of incidence of incident light is 30°. The value of a bidirectional reflectance distribution function in the direction where the polar angle is ?60° is BRDF (30°; 20°, ?60°). The azimuth is 20° from an incidence plane when the polar angle of the direction of incidence of incident light is 60°.

Abstract: An optical lens system includes, in order from a magnified side to a minified side, a first lens group of positive refractive power and a second lens group of positive refractive power. The first lens group includes a first lens and a second lens, and the second lens group includes a third lens and a fourth lens. One of the third lens and the fourth lens includes one aspheric surface, and each of the lenses in the optical lens system is a singlet lens. The optical lens satisfies a condition of TE(?=400)>94%, where TE(?=400) denotes an overall transmittance of all of the lenses in the optical lens system measured at a wavelength of 400 nm.

Abstract: Examples of an imaging system for use with a head mounted display (HMD) are disclosed. The imaging system can include a forward-facing imaging camera and a surface of a display of the HMD can include an off-axis diffractive optical element (DOE) or hot mirror configured to reflect light to the imaging camera. The DOE or hot mirror can be segmented. The imaging system can be used for eye tracking, biometric identification, multiscopic reconstruction of the three-dimensional shape of the eye, etc.

Abstract: A wearable health and lifestyle device including at least a measurement module configured to be worn by a user in at least a first wearing position, the measurement module comprising a 3-axis accelerometer unit configured to provide acceleration data and inclination data, a temperature measurement unit configured to provide temperature data, a light radiation measurement unit configured to provide light radiation data, said light radiation measurement unit comprising at least one multi-spectral sensor configured to measure wavelength bands over the range 290 nm to 1150 nm, a storage module configured to receive and store said acceleration data, said inclination data, said temperature data and said light radiation data, and an analysis module configured to analyze a data set comprising acceleration data, inclination data, temperature data and light radiation data.

Abstract: Certain aspects of a novel weapon sight system combine a direct view, a visible light video view, and an infrared (IR) video view mode. Each of the view modes may be viewed individually or simultaneously with one or more of the other view modes through a single viewing aperture. Further, the one or more view-modes may be provided while providing a bore-sighted reticle superimposed on the selected view. Further, the reticle may be powered separately from the video view electronics enabling use of the reticle regardless of the power status video view electronics.

Abstract: A tint film for application to a target surface, such as a headlight, includes a release liner, an adhesive layer, an at least partially transparent cast layer, and a tint layer. The tint layer is provided as an at least partially light-transparent layer, which may be printed upon the at least partially transparent layer using an ink-jet printing process. In addition, the adhesive layer is configured to have low-tack, so as to facilitate the ease in which the tint film is applied. In some cases, the at least partially transparent layer and the at least partially light-transparent tint layer may be formed together as a composite layer in a casting process.

Abstract: The invention relates to an optical fiber having an axial direction and a cross section perpendicular to said axial direction, and a method and preform for producing such an optical fiber. The optical fiber is adapted to guide light at a wavelength ?, and comprises a core region, an inner cladding region surrounding said core region, and at least one of a first type of feature comprising a void and a surrounding first silica material. The core, the inner cladding region and the first type of feature extends along said axial direction over at least a part of the length of the optical fiber. The first silica material has a first chlorine concentration of about 300 ppm or less.

Abstract: Mechanical joint system with electrical and/or thermal conduction capability by means of an invisible adjustable hinge that connects and allows rotation of one body respects another one, i.e. a male body and a female body, by the integration of a rigid J-shaped joining part which enters perpendicularly through an access opening on the female face at any rotation position, and whose external end is fixed to the male body. The female body is internally equipped with a brake system that couples, guides and fixes the curved end of the J-shaped joining part and blocks its rotation movement. The J-shaped joining part integrates an electrical and/or thermal conductor that makes this invention of great interest for electronic devices with adjustable orientation, including LED lighting ones.

Abstract: Described herein are embodiments of a diffractive optical element (23) such as a grism. In one embodiment, the diffractive optical element (23) includes an input surface (31) configured to receive an input optical signal (29), a diffractive surface (33) adapted to spatially disperse the input optical beam (29) into a dispersed signal and an output surface (35) configured to output the dispersed signal from the diffractive optical element. The input surface (31) and the diffractive surface (33) are non-parallel and the diffractive surface (33) is formed in situ by a photolithographic technique.

Abstract: Direct-bonded lamination for improved image clarity in optical devices is provided. An example process planarizes and plasma-activates optical surfaces to be laminated together, then forms direct bonds between the two surfaces without an adhesive or adhesive layer. This process provides improved optics with higher image brightness, less light scattering, better resolution, and higher image fidelity. The direct bonds also provide a refractory interface tolerant of much higher temperatures than conventional optical adhesives. The example process can be used to produce many types of improved optical components, such as improved laminated lenses, mirrors, beam splitters, collimators, prism systems, optical conduits, and mirrored waveguides for smartglasses and head-up displays (HUDs), which provide better image quality and elimination of the dark visual lines that are apparent to a human viewer when conventional adhesives are used in conventional lamination.

Abstract: The invention relates to methods for fabricating antireflective surface structures (ARSS) on an optical element using a seed layer of material deposited on the surface of the optical element. The seed layer is removed during or after the etching, and serves to control etching time as well as the transmission region of the optical element having ARSS. Optical elements having ARSS on at least one surface are also provided.

Abstract: An apparatus includes one or more light emitting diodes (LEDs) configured to be coupled to a power supply and to generate illumination, such as to generate a reticle in an optical scope. The apparatus also includes a first switch coupled in series with the one or more LEDs. The first switch is configured to selectively activate and deactivate the one or more LEDs based on whether the first switch is turned on or off. The apparatus further includes a low power detector configured to sense a low power condition of the power supply and to repeatedly turn the first switch on and off in response to the low power condition to cause the one or more LEDs to blink. The low power detector is configured to turn the first switch on and off at a given rate, and the given rate increases as the power supply is depleted.

Abstract: A medical, in particular orthopaedic, aid (1, 1?, 1?), such as for example an orthosis (1), bandage (1?) or compressive item of clothing (1?), consisting of at least one base body (2, 2?, 2?) of at least one elastic and/or non-elastic textile material (3, 3?, 3?), which is designed for the supporting of tissue and/or parts of the body of a patient, wherein the at least one textile material (3, 3?, 3?) of the base body (2, 2?, 2?) is designed at least partially to be substantially transmissible with respect to UV radiation.

Abstract: Intensity values of electromagnetic radiation from an object to be imaged are received from an array of detectors. The array of detectors includes one or more pairs of detectors arranged as antisymmetric pairs of detectors. A Fourier transform of an image of the object is determined by correlating fluctuations of the intensity values for each antisymmetric pair of detectors. An inverse of the Fourier transform is determined, and an image of the object is generated from the inverse Fourier transform. The Fourier transform of the mean intensity pattern across the array of detectors may also be used to determine when the array is properly oriented to separate the image and mirror image.

Abstract: Examples of an imaging system for use with a head mounted display (HMD) are disclosed. The imaging system can include a forward-facing imaging camera and a surface of a display of the HMD can include an off-axis diffractive optical element (DOE) or hot mirror configured to reflect light to the imaging camera. The DOE or hot mirror can be segmented. The imaging system can be used for eye tracking, biometric identification, multiscopic reconstruction of the three-dimensional shape of the eye, etc.

Abstract: An infrared lamp 100 is composed of an LED 110 that emits infrared light and a cut filter 120 that transmits a part of the light from the LED 110. And a peak wavelength of the light emitted from the LED 110 in the lighting starting stage is set to be shorter than a cut-on wavelength of the cut filter 120.

Abstract: A beamsplitter includes a substrate formed from a material transparent to wavelengths of light at least above a selected cutoff wavelength and reflective structures distributed across a surface of the substrate. The reflective structures split incident light having wavelengths above the selected cutoff wavelength into a reflected beam formed from portions of the incident light reflected from the reflective structures and a transmitted beam formed from portions of the incident light transmitted through the substrate. A splitting ratio of a power of the reflected beam to a power of the transmitted beam is based on a ratio of surface area of the reflective surfaces to an area of the incident light on the substrate. Separation distances between neighboring reflective structures are smaller than the cutoff wavelength such that diffracted power of the incident light having wavelengths above the selected cutoff wavelength is maintained below a selected tolerance.

Abstract: A method for determining filtering capabilities of a magnification device suitable for providing protection from light when viewed through the magnification device is disclosed. The filtering capability of the magnification device is determined based at least one of an input power of the inputted light signal, a magnification level of the magnification device and an orientation of the filtering within the magnification device. Further disclosed is an lighting system that generates a light, which when reflected into the magnification device is prevent from causing damage to a user's eyes based on the selection of the filtering system disclosed herein.

Abstract: An apparatus for trapping and sensing nanoparticles using plasmonic nanopores, comprising a conductive transparent layer, a conductive film layer mounted to a substrate, the film layer comprising a plurality of nanopores for trapping nanoparticles contained in a fluid situated between the conductive transparent layer and the conductive film layer, and an electric field source connected between the transparent layer and the film layer.

Abstract: A vision system of a vehicle includes a camera module configured to be disposed at and behind a vehicle windshield, with the camera module including a first camera and a second camera. The first camera includes a first imager and a first lens having a wide angle field of view greater than 100 degrees. The first camera is operable to capture image data for processing by an image processor. The second camera includes a second imager and a second lens having a narrow angle field of view less than 40 degrees. The second camera is operable to capture image data for displaying color images at a display screen. Image data captured by the first camera is processed to detect objects, and image data captured by the first camera is not video procesed for display of video images. The vision system switches between daytime mode and nighttime mode responsive to ambient light.

Abstract: An optical component according to an embodiment of the present invention includes a translucent substrate, one or more intermediate layers stacked on at least one of an incident surface and an exit surface of the substrate, and a surface layer stacked on an outermost layer of the one or more intermediate layers, the surface layer containing diamond-like carbon as a main component. At least one intermediate layer among the one or more intermediate layers contains silicon as a main component, and the intermediate layer containing silicon as a main component has an oxygen content of 10 atomic % or less.

Abstract: A virtual displaying device used on a telescopic sight includes a sleeve sleeved around an eyepiece portion of the telescopic sight, a virtual assembly and a fixing portion for fixing the sleeve and the virtual assembly to the eyepiece portion. The virtual assembly includes a housing, a virtual member and a displaying screen both received in the housing. Light emitted from the displaying screen passes through the virtual member to be zoomed, shifted and then projected, together with light of the eyepiece, near distance of eye relief of the telescopic sight so that a shooter can simultaneously and clearly see both the target inside the eyepiece and contents displayed on the displaying screen. The present structure above can allow the shooter to obtain important shooting information while aiming at a target and greatly improve the efficiency of the telescopic sight.

Abstract: A transparent pane comprising a transparent substrate and an electrically conductive coating on a surface of the transparent substrate is disclosed. The electrically conductive coating comprises four functional layers arranged one atop another. Each functional layer comprises a layer of optically highly refractive material with a refractive index >1.3, a first matching layer above the layer of optically highly refractive material, an electrically conductive layer above the first matching layer, and a second matching layer above the electrically conductive layer. The layer thickness of each conductive layer can be 5 nm to 25 nm and the total layer thickness of all electrically conductive layers can be 20 nm to 100 nm.

Abstract: A compact orthoscopic lens is corrected for monochromatic and chromatic aberrations over wavelengths from 450 to 2450 nm with an angular FOV of 5.56° vertical and 66° horizontal. The 4.36? effective focal length lens with f-number of 4 is compact measuring 5.2? from the first optical surface to the image. The lens includes, in order from object to image, a first optical group having a negative optical power; a second optical group having a positive optical power and a third optical group having a negative optical power. The first optical group consists of two elements, the second optical group consists of three elements, one a doublet, and the third optical group consists of two elements. A physical aperture stop is positioned inside the second optical group. Powers of groups and elements, shapes, refractive indices, Abbe numbers and partial dispersions of glasses are selected so the lens is apochromatic and orthoscopic.

Abstract: A spectrally selective solar absorbing coating includes a multilayer stack including, from the substrate to the air interface: substrate (1), infrared reflective layer (2), barrier layer (3), composite absorbing layer (4) consisting of metal absorbing sublayer (4.1), metal nitride absorbing sublayer (4.2), and metal oxynitride absorbing sublayer (4.3), and antireflective layer (5). Therefore, the solar absorbing coating has good high and low temperature cycle stability and superior spectrum selectivity, with a steep transition zone between solar absorption and infrared reflection zones. It has a relatively high absorptance ?>95%, and a low thermal emissivity ? ?4%, PC (performance criterion) =?0.3. The solar absorbing multilayer stack can be obtained by reactively magnetron sputtering the metal target in argon or other inert gas with some amounts of gas containing oxygen or nitrogen or their combination.

Abstract: An electro-optic window is provided, together with a method of manufacturing the window. The window (3) is made of a material substantially transparent to at least one of infra-red, visible and UV radiation and treated to have reduced RF/MICROWAVE transmission characteristics by the provision of a grid (1) set into at least one surface (2) thereof. The grid (1) is formed of a material selected to be either reflective or absorptive to RF/MICROWAVE radiation.

Abstract: A system and method for controlling particles using projected light are provided. In some aspects, the method includes generating a beam of light using an optical source, and directing the beam of light to a beam filter comprising a first mask, a first lens, a second mask, and a second lens. The method also includes forming an optical pattern using the beam filter, and projecting the optical pattern on a plurality of particles to control their locations in space.

Abstract: A mid-infrared objective lens assembly (10) includes a plurality of spaced apart, refractive lens elements (20) that operate in the mid-infrared spectral range, the plurality of lens elements (20) including an aplanatic first lens element (26) that is closest to an object (14) to be observed. The first lens element (26) has a forward surface (36) that faces the object (14) and a rearward surface (38) that faces away from the object (14). The forward surface (36) can have a radius of curvature that is negative.

Abstract: A four-piece infrared single wavelength projection lens system in accordance with the present invention comprises, in order from an image side to an image source side: a stop; a first lens element with a positive refractive power having an image-side surface being convex near an optical axis, the first lens element is made of glass material; a second lens element with a refractive power having an image-side surface being convex near the optical axis and an image source-side surface being concave near the optical axis; a third lens element with a negative refractive power having an image-side surface being concave near the optical axis and an image source-side surface being concave near the optical axis; and a fourth lens element with a positive refractive power having an image-side surface being concave near the optical axis and an image source-side surface being convex near the optical axis.

Abstract: An image sensor is described that has photodetectors with reduced reflections. In one example the image sensor has a plurality of photodetectors on a silicon substrate. The images sensor has a top surface and an anti-reflective coating over the photodetectors, the coating having an array of sub-wavelength sized features.

Abstract: A primary object of the present invention is to provide a polarizing plate excellent in durability. A polarizing plate (100) according to an embodiment of the present invention includes: a polarizer (10); and a protective film (21 and 22) arranged on at least one side of the polarizer (10). The polarizing plate (100) has a dimensional change ratio of ?0.2% or more in a transmission axis direction thereof when the polarizing plate (100) cut into a size measuring 100 mm by 100 mm is bonded to a glass plate with a pressure-sensitive adhesive and the following operation is repeated 100 times: the polarizing plate (100) bonded to the glass plate is left to stand under an atmosphere at ?40° C. for 30 minutes and then left to stand under an atmosphere at 85° C. for 30 minutes.

Abstract: Provided is an image source unit including a layer including a light transmissive portion and an in-between portion, which can improve the use efficiency of light from a light source and improve the quality of display, including a liquid crystal panel and an optical sheet arranged on a lower polarizing plate side from the liquid crystal panel, wherein: the optical sheet includes a base material layer, an optical functional layer, and an adhesive layer; the optical functional layer includes a plurality of light transmissive portions having one extending direction along a face of the base material layer having a predetermined cross section, arranged in a different direction from the extending direction at predetermined intervals, and a plurality of in-between portions formed in the intervals of the adjacent light transmissive portions; and the lower polarizing plate and the optical sheet are adhered to each other by the adhesive layer.

Abstract: Provided are a pellicle for a photomask, which protects the photomask from external contamination and an exposure apparatus including the pellicle for the photomask. The pellicle for the photomask includes a pellicle membrane provided spaced apart from the photomask. The pellicle membrane includes a semiconductor having a two-dimensional (2D) crystalline structure.

Abstract: The present invention relates to an antimicrobial glass having both electromagnetic shielding and antimicrobial characteristics while maintaining the transparency of glass, and more particularly to an optically transmissive antimicrobial glass with an electromagnetic shielding effect that includes an AZO/Ag/AZO multilayer thin film deposited on a glass substrate.

Abstract: An optical filter having a passband at least partially overlapping with a wavelength range of 800 nm to 1100 nm is provided. The optical filter includes a filter stack formed of hydrogenated silicon layers and lower-refractive index layers stacked in alternation. The hydrogenated silicon layers each have a refractive index of greater than 3 over the wavelength range of 800 nm to 1100 nm and an extinction coefficient of less than 0.0005 over the wavelength range of 800 nm to 1100 nm.

Abstract: An optical filter includes a first multilayer film structure including first and second optical layers which are constituted by materials different from each other, and a second multilayer film structure including third and fourth optical layers which are constituted by materials different from each other, the first multilayer film structure includes a first unit multilayer film with a width W1 including the first optical layer and the second optical layer, and a second unit multilayer film with a width W2 including the first optical layer and the second optical layer laminated alternately, the first and second unit multilayer films are shifted from each other in a lamination direction of the first and second optical layers, and constitute a unit structure in which the first and second unit multilayer films are arranged adjacent to each other in an arrangement direction orthogonal to the lamination direction.

Abstract: An optical component capable of sufficiently reducing reflection of light by controlling a change in refractive index, even if incident angle of light varies. An optical component includes a base, a moth-eye structure with predetermined concavities and convexities, and at least one buffer layer provided between the base and the moth-eye structure. A change in refractive index between the base and a medium is adjusted by the buffer layer and the moth-eye structure.

Abstract: The present invention relates to a structure having a nanoantenna, a method for manufacturing same, a drug delivery body having the same, a thermotherapy complex, a drug therapy device, and a thermotherapy device. The structure of the present invention has a nanoantenna pattern formed on the outer surface of a porous micro-container, thereby enabling wireless control from the outside, and when the structure is used as a drug delivery system and a thermotherapy complex, drug therapy and thermotherapy can be carried out at a desired application region inside a living body at a desired time. Also, the structure of the present invention enables transmission and reception of a wireless signal with an external controller through the nanoantenna, thereby enabling the detection of a signal inside the living body and the transmission of the signal to the external controller, and the discharge of a drug or nanowires according to a response signal transmitted from the external controller.

Abstract: The present invention provides a vitreous silica crucible which can suppress buckling and sidewall lowering of the crucible without fear of mixing of impurities into silicon melt. According to the present invention, provided is a vitreous silica crucible for pulling a silicon single crystal, wherein a ratio I2/I1 is 0.67 to 1.17, where I1 and I2 are area intensities of the peaks at 492 cm?1 and 606 cm?1, respectively, in Raman spectrum of vitreous silica of the region having a thickness of 2 mm from an outer surface to an inner surface of a wall of the crucible.

Abstract: An optical film includes a substrate, an anti-glare layer, a first anti-reflective layer and a second anti-reflective layer. The anti-glare layer is disposed on the substrate and has a microstructure disposed on a side of the anti-glare layer away from the substrate. The first anti-reflective layer is disposed on the microstructures of the anti-glare layer, and the anti-glare layer is located between the substrate and the first anti-reflective layer. The second anti-reflective layer is disposed on the first anti-reflective layer, and the first anti-reflective layer is located between the anti-glare layer and the second anti-reflective layer. A refractive index of the first anti-reflective layer is different from a refractive index of the anti-glare layer.