45th week of 2020 patent applcation highlights part 36 |
Patent application number | Title | Published |
20200348451 | OPTICAL THIN FILM, OPTICAL ELEMENT, AND OPTICAL SYSTEM - The optical thin film is provided on a substrate and includes, in order, from the substrate side, an interlayer, a silver-containing metal layer, and a dielectric layer, in which an anchor region including an oxide of an anchor metal is provided in an interface region of the silver-containing metal layer on a side close to the interlayer, a cap region including an oxide of the anchor metal is provided in an interface region of the silver-containing metal layer on a side close to the dielectric layer, a film thickness of the silver-containing metal layer is 6 nm or less, the silver-containing metal layer contains a high standard electrode potential metal, and a peak position of a concentration distribution of the high standard electrode potential metal in a film thickness direction of the silver-containing metal layer is positioned closer to the interlayer than a peak position of a silver concentration distribution. | 2020-11-05 |
20200348452 | METHOD FOR MANUFACTURING WINDOW AND METHOD FOR MANUFACTURING DISPLAY DEVICE - Systems and methods are provided for manufacturing a window from a transparent member. Forming the window may include forming of a groove by irradiating first laser light and removing a portion of a transparent member by irradiating second laser light focused at a depth of the groove. The first laser light may be emitted from a first laser generator and may be irradiated along an edge of a first area defined in a second surface of the transparent member. A second laser light may be focused to the depth of the groove, and thus a portion of the transparent member may be cut. The second laser light may be emitted by a second laser generator, and a focus of the second laser light may be located within the transparent member. | 2020-11-05 |
20200348453 | FUNCTIONAL POLARIZING FILM AND ORGANIC LIGHT-EMITTING DISPLAY APPARATUS INCLUDING THE SAME - A functional polarizing film includes a polarizing layer, at least one moisture-binding layer on a first surface of the polarizing layer, and at least one moisture-blocking layer disposed on a first surface of the moisture-binding layer. | 2020-11-05 |
20200348454 | THREE-DIMENSIONAL MODELED ARTICLE - A decorative member that is a three-dimensional modeled article comprises a sheet, a lens part, and an image-forming part. The sheet has a light-transmitting property and has a first sheet surface formed as a curved surface. The lens part is provided so as to curve along the first sheet surface. The lens part comprises a plurality of protruding lenses disposed in parallel. The image-forming part comprises an image having a main axis direction. An angle formed between the main axis direction and an extension direction that is a longitudinal direction of the lenses is 0°≤θ≤40° or 50°≤θ≤90°. The curved surface has a first region to a third region having different normal directions and has a shape in which one of the normal directions of the respective regions is inclined with respect to a plane including the other two normal directions. | 2020-11-05 |
20200348455 | IMAGING SYSTEMS WITH IMPROVED MICROLENSES - An imaging device may include one or more photosensitive regions in a pixel formed as part of an image pixel array. Microlenses and color filter structures may be formed over the pixel. Each microlens may be formed from a microlens seed and one or more deposition microlens layers formed over the microlens seed. The deposition microlens layer(s) as deposited may already define the curvature of the microlens. As such, no further etching or smoothing process is need for the microlens layer(s) formed over the microlens seed. If desired, the microlens seed may have a planar top surface and planar sides, a planar top surface and slanted planar sides, or a nonplanar top surface and planar sides. The microlens seed may define microlens characteristics of the microlens such as the radius of curvature, the height, and/or the number and type of microlens lobes. | 2020-11-05 |
20200348456 | ILLUMINATION ASSEMBLY FOR 3D DATA ACQUISITION - This disclosure describes illumination assemblies operable to generate a patterned illumination that maintain high contrast over a wide temperature range. An implementation of the illumination assembly can include an array of monochromatic light sources positioned on an illumination plane, first and second optical elements, and an exit aperture. A chief ray of each light source within the array of monochromatic light sources can substantially converge at an exit aperture. In such implementations light generated by the array of monochromatic light sources can be used efficiently. | 2020-11-05 |
20200348457 | LIGHT SOURCE UNIT - The present invention provides a light source unit capable of displaying an image of a desired color without causing color unevenness when mounted on a display. A light source unit including: a light source; a color conversion member that converts incident light incident from the light source into light having a longer wavelength than the incident light does; and a reflective film that is present between the light source and the color conversion member, transmits light incident from the light source, and reflects light exited from the color conversion member, wherein in the reflective film, the scattering angle (R2−R1) on at least one film surface is 5° or more, where the scattering angle is obtained from angles R1 and R2 (R12020-11-05 | |
20200348458 | VISIBLY TRANSPARENT, INFRARED RADIATION RETROREFLECTIVE ARTICLES - A retroreflective article comprises (a) a retroreflective layer including a structured surface that is opposite a major surface, (b) a pressure sensitive adhesive that contacts at least a portion of the structured surface to form an optically inactive area that does not substantially retroreflect incident light and (c) at least one low refractive index layer forming an optically active area that retroreflects incident light; wherein the optically active area comprises about 25% or less of the structured surface. | 2020-11-05 |
20200348459 | HOLOGRAPHIC DISPLAY APPARATUS FOR PROVIDING EXPANDED VIEWING WINDOW - A holographic display apparatus for providing an expanded viewing window includes a spatial filter configured to separate a plurality of holographic images generated by the hologram pattern displayed on the spatial light modulator from a plurality of lattice spots generated by a physical structure of the spatial light modulator. The spatial filter includes a plurality of color filters or a plurality of dichroic mirrors separating a first color image, a second color image, and a third color image from a first color lattice spot, a second color lattice spot, and a third color lattice spot. | 2020-11-05 |
20200348460 | LUMINAIRE COMPRISING A SURFACE TILE AND A LIGHTING DEVICE - A luminaire ( | 2020-11-05 |
20200348461 | OPTICAL SUBSTRATE AND DISPLAY DEVICE - An optical substrate and a display device are provided. The optical substrate includes a light guide plate and a plurality of light selection units, wherein, the light guide plate includes a light-incident surface and a light-exiting surface, and the light-exiting surface includes a plurality of light-exiting regions; each light selection unit is configured to select light incident from the light-incident surface and propagating in the light guide plate, such that monochromatic light of different colors are emitted from multiple light-exiting regions corresponding to the each light selection unit, and each of the multiple light-exiting regions emits monochromatic light of a single color. | 2020-11-05 |
20200348462 | FILM FOR LED LIGHTING EQUIPMENT, AND LED LIGHTING EQUIPMENT - Provided are: a film for an LED lighting apparatus, which allows the front surface and/or back surface of a light guide unit to have any appropriate film laminated thereon, or to be subjected to any appropriate surface treatment, while suppressing a reduction in waveguide efficiency of light in a lighting apparatus having an LED light source arranged on one end surface of a light guide plate and being configured to emit light from an end surface opposed to the end surface (entrance end surface) on which the LED light source is arranged; and an LED lighting apparatus including the film for an LED lighting apparatus. The film for an LED lighting apparatus of the present invention includes: a base material; and a low-refractive index layer arranged on at least one side of the base material. In one embodiment, the low-refractive index layer has a refractive index of 1.25 or less. | 2020-11-05 |
20200348463 | MULTICORE FIBER AND METHOD OF MANUFACTURE THEREFOR - A method of manufacturing a multicore fiber includes: an initial-preform forming process of forming an initial preform by arranging in an array a plurality of core rods each including a core portion and a cladding portion formed around outer periphery of the core portion; and an optical fiber manufacturing process of manufacturing an optical fiber from the initial preform. Further, the core rods include a plurality of holes, and the core rods are arranged in a manner that one hole is arranged between two core portion adjacent to each other in the initial-preform forming process. | 2020-11-05 |
20200348464 | METHOD FOR SETTING HEATING CONDITION, METHOD FOR MANUFACTURING FIBER BRAGG GRATING, AND METHOD FOR MANUFACTURING FIBER LASER SYSTEM - A method for setting a heating condition for thermal aging of each of fiber Bragg gratings, includes: determining, based on a correspondence γ(Ed) between a temperature coefficient γ of each of the fiber Bragg gratings and a demarcation energy Ed of each of the fiber Bragg gratings, a first lower limit Ed | 2020-11-05 |
20200348465 | Display Apparatus And Optical Device - A display apparatus having a first display section including a first display surface from which a first image light is emitted; a first light guide member including an integrated bundle of a plurality of first optical fibers for guiding the first image light from a first incident surface facing the first display surface to a first emission surface positioned opposite to the first incident surface; a second light guide member disposed adjacent to the first light guide member, the second light guide member including an integrated bundle of a plurality of second optical fibers for guiding the first image light from a second incident surface facing the first display surface to a second emission surface positioned opposite to the second incident surface; and a filler material filled in a gap between the first light guide member and the second light guide member, the filler material transmitting the first image light. | 2020-11-05 |
20200348466 | Planar Luneburg Lens System for Two-Dimensional Optical Beam Steering - An integrated optical beam steering device includes a planar Luneburg lens that collimates beams from different inputs in different directions within the lens plane. It also includes a curved (e.g., semi-circular or arced) grating coupler that diffracts the collimated beams out of the lens plane. The beams can be steered in the plane by controlling the direction along which the lens is illuminated and out of the plane by varying the beam wavelength. Unlike other beam steering devices, this device can operate over an extremely wide field of view—up to 180°—without any aberrations off boresight. In other words, the beam quality is uniform in all directions, unlike with aplanatic lenses, thanks to the circular symmetry of the planar Luneburg lens, which may be composed of subwavelength features. The lens is also robust to misalignment and fabrication imperfections and can be made using standard CMOS processes. | 2020-11-05 |
20200348467 | MULTIPLEXER - To provide a multiplexer that makes it possible to achieve a reduction in size and that minimizes the influence of the expansion of laser light on a multiplexing unit. A multiplexer is provided with a plurality of waveguides, multiplexing units that are provided at an intermediate location within the waveguides, and laser light sources, wherein: the first multiplexing unit is arranged at a position that is closest to the laser light sources; and the laser light sources that have an optical axis at a position that is separated from the transmission axis of the visible light that is introduced into the first multiplexing unit are arranged so that the optical axis is inclined with respect to the transmission axis and the outer periphery of laser light that expands at a predetermined expansion angle passes in front of the first multiplexing unit. | 2020-11-05 |
20200348468 | OPTICAL DIELECTRIC PLANAR WAVEGUIDE PROCESS - A method for depositing silicon oxynitride film structures is provided that is used to form planar waveguides. These film structures are deposited on substrates and the combination of the substrate and the planar waveguide is used in the formation of optical interposers and subassemblies. The silicon oxynitride film structures are deposited using low thermal budget processes and hydrogen-free oxygen and hydrogen-free nitrogen precursors to produce planar waveguides that exhibit low losses for optical signals transmitted through the waveguide of 1 dB/cm or less. The silicon oxynitride film structures and substrate exhibit low stress levels of less than 20 MPa. | 2020-11-05 |
20200348469 | TELECOMMUNICATIONS SPLICE ARRANGEMENTS - The present disclosure relates to a splice arrangement. The splice arrangement may include an elongate splice protection housing that defines a channel that extends lengthwise through the elongate splice protection housing from a first end of the splice protection housing to an opposite second end of the splice protection housing. The splice arrangement may also include a first fiber optic cable and a second fiber optic cable. First optical fibers of the first fiber optic cable and second optical fibers of the second fiber optic cable may be coupled together at a splice location positioned within the channel of the elongate splice protection housing. | 2020-11-05 |
20200348470 | Adaptor For Connecting a Medical Laser to a Flexible Waveguide or an Articulated Arm - A dual port switching apparatus ( | 2020-11-05 |
20200348471 | MANUFACTURE AND TESTING OF FIBER OPTIC CASSETTE - A double flexible optical circuit includes: a flexible substrate supporting a plurality of optical fibers; a first connector terminating the optical fibers at a first end of the double flexible optical circuit; and a second connector terminating the optical fibers at a second end of the double flexible optical circuit. Each of the optical fibers is positioned in one of a plurality of separate extensions formed by the flexible substrate as the optical fibers extend from the first connector to the second connector. The first and second connectors are configured to be tested when the first and second connectors are connected through the double flexible optical circuit. The double flexible optical circuit is configured to be divided in half once the testing is complete to form two separate flexible optical circuits. | 2020-11-05 |
20200348472 | METHOD OF FORMING PHOTONICS STRUCTURES - The disclosed embodiments relate to an integrated circuit structure and methods of forming them in which photonic devices are formed on the back end of fabricating a CMOS semiconductor structure containing electronic devices. Doped regions associated with the photonic devices are formed using microwave annealing for dopant activation. | 2020-11-05 |
20200348473 | Waveguide-Based Image Capture - An imaging optical system includes an imaging device and an optical waveguide. The waveguide includes structures configured to couple light from an external environment into the waveguide. The structures direct the light to propagate in the waveguide via total internal reflection and towards the imaging device. | 2020-11-05 |
20200348474 | MODULE WITH WAVELENGTH-BASED DIRECTIONAL BIAS OF LIGHT FOR RECEIVING AND TRANSMITTING OPTICAL SIGNALS - An optical module with directional bias of light beams for improved reception and transmission of optical signals includes a substrate, a photodetector disposed on the substrate, and an optical path control element disposed above the substrate. The optical path control element includes a filter and a reflector. The filter has an upper surface and a lower surface opposite to the upper surface, and the reflector is in contact with the upper surface. A first light beam enters the filter through the lower surface, and is reflected by the reflector to the photodetector. A light source is disposed on the substrate and emits a second light beam. The second light beam is reflected by the lower surface and away from the cavity. | 2020-11-05 |
20200348475 | OPTICAL CONNECTOR ASSEMBLY CONNECTORIZED FOR NON-PERMANENT ATTACHMENT TO AN OPTOELECTRONIC SUBSTRATE ASSEMBLY - An optical connector assembly (OCA) includes a connector housing to maintain alignment between optical components housed within the OCA and photoelectric converters on an optoelectronic substrate (OES) assembly. The optical components include a ferrule and an optical cable. The ferrule is optically coupled to the optical cable. The OCA includes a ferrule holder to hold the ferrule within the OCA, and a spring located between the connector housing and the ferrule holder. The spring is to apply a separating force between the ferrule holder and the connector housing. The OCA includes a gasket coupled to the connector housing. The coupling of the connector housing to a socket compresses the gasket to provide a seal between the connector housing and the socket. | 2020-11-05 |
20200348476 | Optical Fiber Distribution Systems and Components - Fiber distribution systems, terminals and tap boxes that provide a reconfigurable and expandable system of hardened connections. An aerial terminal may include at least one feeder port and a plurality of distribution ports, each of the at least one feeder port and the plurality of distribution ports being sealable ports configured to receive one of a duct and a connector, where the connector is configured to interface with a drop type cable. The terminal may include an expandable module configured to receive a splitter. The terminal may be configured to receive a fiber through the feeder port and to output a plurality of fibers through the plurality of distribution ports. | 2020-11-05 |
20200348477 | CABLE FIXATION DEVICES AND METHODS - A cable management structure for holding cable holders in a telecommunications equipment cabinet includes a base, a first pair of sidewalls extending from the base, and a ramp terminating in a shoulder at each end of each sidewall. The first pair of sidewalls define a space for holding one or more cable holders, and the shoulder of each sidewall prevents a cable holder from sliding out of the space once the cable holder is inserted between the first pair of sidewalls. | 2020-11-05 |
20200348478 | FIBER TRANSITION HOUSING WITH OPTICAL CONNECTION FEATURES - An enclosure configured to simultaneously accommodate different connectorization applications includes a backplate and a bulkhead bracket and splice retention clips coupled to the backplate. The bulkhead bracket includes openings configured to house adapters for a first connecterized application. The splice retention clips are configured to accomodate one or more of a fusion splice protector and a mechnical splice for a second connecterized application. The bulkhead bracket, with or without an adapter, is configured to be uncoupled from the backplate to allow access to the splice retention clips for insertion or deletion of the fusion splice protector or the mechnical splice. The bulkhead bracket is configured to be recoupled with the backplate and over the splice retention clips. | 2020-11-05 |
20200348479 | CAMERA MODULE - A camera module includes a housing; a plurality of movable lens modules disposed in an internal space of the housing and configured to be movable in an optical axis direction, each of the plurality of movable lens modules comprising at least one lens; and a stopper configured to prevent contact between at least two of the plurality of movable lens modules, wherein the stopper includes a frame mounted on the housing; an extension portion extending from the frame into the internal space of the housing to face a side of one movable lens module of the plurality of movable lens modules in the optical axis direction; and a damping member disposed on the extension portion to face the side of the one movable lens module in the optical axis direction. | 2020-11-05 |
20200348480 | ELECTRONIC DEVICE INCLUDING CAMERA MODULE - According to certain embodiments, an electronic device comprises a housing; and a camera module disposed in an inner space of the housing and including: a barrel having an opening; and a plurality of lenses with aligned centers with an image sensor in an inner space of the barrel, wherein the plurality of lenses comprises at least one other lens and a first lens disposed closest to the opening and having a first outer diameter, wherein the first lens includes: a lens portion, forming an effective area of the first lens, the lens portion exposed to the opening; a connecting portion, forming a portion of an ineffective area of the first lens, extended from the lens portion and inclined at an angle in a first direction away from the lens portion; and a flange portion, forming another portion of the ineffective area of the lens portion, extended from the connecting portion in a second direction substantially perpendicular to a stack direction of the plurality of lenses, wherein the barrel includes: a head portion containing the opening and having a second outer diameter; a body portion extended from the head portion, accommodating the at least one other lens of the plurality of lenses, and having a third outer diameter greater than the second outer diameter; and an engaging portion formed in the inner space of the barrel and engaged with the flange portion, and wherein the first outer diameter of the first lens is greater than the second outer diameter of the head portion. | 2020-11-05 |
20200348481 | OPTICAL SYSTEM AND IMAGING APPARATUS - An optical system including two imaging optical systems and two holders including one holder to hold one imaging optical system and other holder to hold the other one imaging optical system. Each holder includes a lens positioner to determine a position of a lens constituting each imaging optical system, and two contacts disposed apart from the lens positioner. When the one holder is combined with the other holder, the two contacts of the one holder contact the two contacts of the other holder with the lens maintained at the position determined by the lens positioner of each holder. | 2020-11-05 |
20200348482 | IMAGING LENS ASSEMBLY, CAMERA MODULE, ELECTRONIC DEVICE AND EXTERNAL ADJUSTING JIG FOR MANUFACTURING SAME IMAGING LENS ASSEMBLY - An imaging lens assembly has an optical axis and includes a plastic barrel, a lens set and a retaining element. The plastic barrel includes a first channel and a second channel. The lens set is disposed in the plastic barrel and includes at least one adjustable lens element, wherein an outer diameter surface of the adjustable lens element includes a plurality of axial rotation structures, each of the axial rotation structures is in a protruding strip shape, and at least one of the axial rotation structures is disposed correspondingly to the second channel of the plastic barrel and exposed. The retaining element is disposed in the plastic barrel and includes an anti-releasing structure, which is disposed correspondingly to the first channel of the plastic barrel to avoid the lens set being released from the plastic barrel. | 2020-11-05 |
20200348483 | LENS DRIVING MOTOR AND ELASTIC MEMBER OF THE SAME - Provided are a lens driving motor and an elastic member of the lens driving motor. The elastic member of a lens driving motor, the elastic member includes a first spring and a second spring. The second spring is different from the first spring and disposed together with the first spring on one side of a carrier to support the carrier. A first lead line of a coil and a first external power source are connected to the first spring, and a second lead line of the coil and a second external power source are connected to the second spring to supply power to the coil. Since the carrier can be assembled to other part after a (+) lead line and a (−) lead line of the coil are connected to the first and second springs, respectively, using solder, a process is simple and convenient. | 2020-11-05 |
20200348484 | LENS FIXING MODULE AND PROJECTION DEVICE - A lens fixing module is configured to fix a lens, wherein the lens has a flange. The lens fixing module includes a fixing base and a fixing ring. The fixing base has a hollow pillar and a first connecting portion. The fixing ring has a restraining portion and a second connecting portion. An end of the lens is inserted into the hollow pillar, the fixing ring is disposed on the lens and the hollow pillar, and the first connecting portion is connected to the second connecting portion, such that the flange is sandwiched in between the restraining portion and the hollow pillar. | 2020-11-05 |
20200348485 | CAMERA LENS ASSEMBLY - The present invention relates to a camera lens assembly having a structure using a plurality of focusing units. The lens holder according to the embodiment of the present invention includes a first fastening unit to which any one focusing unit of the plurality of focusing units is fastened, a second fastening unit to which the other focusing unit of the plurality of focusing units is fastened, a first guide bar fastening groove configured to protrude from the lens holder to determine a position of the lens, and a second guide bar fastening groove configured to horizontally maintain the lens and prevent rotation of the lens. | 2020-11-05 |
20200348486 | IMAGING DEVICE - An imaging device and a focusing control method are provided. The imaging device includes: an imaging element, having pixels including phase-difference detecting pixels and imaging a subject through an imaging optical system including a focus lens; and a focusing controller, selectively performing focusing control using a phase difference AF method or focusing control using a contrast AF method in a mode in which focusing control for focusing on a main subject by driving the focus lens is continuously performed multiple times. The focusing controller performs the focusing control using the contrast AF method in a case where a state in which a degree of reliability of the focusing control using the phase difference AF method is equal to or less than a threshold value persists N times (N=2 or more), while the focusing control using the phase difference AF method is continuously performed. | 2020-11-05 |
20200348487 | DUAL CAMERA MODULE AND OPTICAL DEVICE - The present embodiments relate to a dual camera module comprising: a first camera module including a first lens module and a first image sensor disposed below the first lens module; and a second camera module including a second lens module and a second image sensor disposed below the second lens module, wherein the second camera module has a wider angle of view than the first camera module, and the second image sensor is disposed at a position higher than the first image sensor. | 2020-11-05 |
20200348488 | DRIVING MECHANISM - A driving mechanism for supporting an optical member is provided, including a fixed module, a movable module, a driving module disposed therebetween, and an elastic member. The driving module can drive the movable module to rotate around a first rotation axis relative to the fixed module. The elastic member includes a first connecting portion connected to the movable module, a second connecting portion connected to the fixed module, a first string portion connected to the first connecting portion, and a first buffer portion connected to the first string portion. The first string portion is disposed on the first rotation axis. The longitudinal axis of the first string portion is parallel to the first rotation axis. The first buffer portion has wave-shaped structure. | 2020-11-05 |
20200348489 | OPTICAL ASSEMBLY WITH HIGH ACCURACY STABLE ALIGNMENT BETWEEN OPTICAL SURFACES - An optical assembly is manufactured by combining a first optical component with a second optical component. The optical components each comprise respective optical surfaces and alignment structures. The first optical surface is aligned with respect to the second optical surface by a connection between the alignment structures and their predefined relative positions with respect to the optical surfaces. The relative positions are determined by a high-accuracy manufacturing process such as diamond turning wherein, for each optical component, a respective alignment structure is manufactured together with a respect optical surface from a single work piece. | 2020-11-05 |
20200348490 | IMAGING DEVICE, IMAGING METHOD, AND PROGRAM - An imaging device derives a change amount of image magnification corresponding to each of a plurality of F-numbers in an autofocus area on the basis of a reference value of the change amount of the image magnification in accordance with a change in position of a focus lens for each of the plurality of F-numbers, in a case where autofocus is executed; determines, as a limit F-number, an F-number corresponding to any change amount equal to or less than a threshold value of the allowed change amount of the image magnification among the derived change amounts; and sets an F-number as the limit F-number in a case where the F-number obtained from a subject luminance in a case where autofocus is executed exceeds the determined limit F-number. | 2020-11-05 |
20200348491 | IMAGING APPARATUS AND METHOD, AND IMAGE PROCESSING APPARATUS AND METHOD - The present technology relates to an imaging apparatus and method, and an image processing apparatus and method that make it possible to expand a range of a subject that can be imaged. A subject is imaged by an imaging element including a plurality of pixel output units that receives incident light from the subject entering without passing through either an imaging lens or a pinhole and entering through an optical system that is not an imaging lens and has a negative power, and each outputs one detection signal indicating an output pixel value modulated by an incident angle of the incident light. The present disclosure can be applied to, for example, an imaging apparatus, an image processing apparatus, an information processing apparatus, an electronic device, a computer, a program, a storage medium, a system, and the like. | 2020-11-05 |
20200348492 | OPTICAL IMAGING SYSTEM - An optical imaging system includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged from an object side. The optical imaging system satisfies 0.354.8; and TTL/(2*IMG HT)<0.70, where R1 is a radius of curvature of an object-side surface of the first lens, f is an overall focal length of the optical imaging system including the first to sixth lenses, N2 is a refractive index of the second lens, N3 is a refractive index of the third lens, N4 is a refractive index of the fourth lens, TTL is a distance from the object-side surface of the first lens to an image capturing surface of an image sensor, and IMG HT is half of a diagonal length of the image capturing surface of the image sensor. | 2020-11-05 |
20200348493 | OPTICAL LENS SYSTEM AND ELECTRONIC DEVICE INCLUDING THE SAME - According to certain embodiments, an electronic device comprises a window member; a display panel stacked on a rear surface of the window member; a lens assembly; an iris; and an image sensor including an image plane configured to form an electronic signal representing an image formed by the lens assembly, wherein the iris is fixed with respect to the image plane, wherein at least a portion of the iris is located on a same plane as at least a portion of the display panel, and the iris is located closer to an object-side than an object-side surface of a lens closest to the object-side of the lens assembly on an optical axis. | 2020-11-05 |
20200348494 | ANAMORPHIC PHOTOGRAPHY FOR DIGITAL IMAGERS - A digital camera comprising a digital image sensor and at least one corrective lens element configured to reduce a blurring of an image in a horizontal or vertical dimension on the digital image sensor. Preferably the digital image sensor is a large digital imager such as a Digital 65 imager. | 2020-11-05 |
20200348495 | ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME - The zoom lens includes, in order from object side to image side, a positive first lens unit, a negative second lens unit, a positive third lens unit, and a rear lens group including at least one lens unit, in which intervals between adjacent lens units are changed during zooming. The third lens unit includes at least two negative lenses and at least three positive lenses. An average value of partial dispersion ratios of two negative lenses having strongest refractive powers of the at least two negative lenses, an average value of partial dispersion ratios of three positive lenses having strongest refractive powers of the at least three positive lenses, an average value of Abbe numbers of the two negative lenses, an average value of Abbe numbers of the three positive lenses, a back focus, and a focal length of zoom lens at wide angle end are appropriately set. | 2020-11-05 |
20200348496 | ZOOM LENS AND IMAGE PICKUP APPARATUS HAVING THE SAME - The zoom lens includes, in order from object side to image side, a positive first lens unit (LU), a negative second LU, a positive third LU, and a rear lens group including at least one LU. The zoom lens further includes an aperture stop. A LU arranged on image side of aperture stop moves during zooming. The first LU consists of at least two positive lenses (TPL), and two negative lenses (TNL). An average partial dispersion ratio (APDR) of TNL, APDR of TPL having highest refractive powers of at least TPL, an average Abbe number (AAN) of TNL, AAN of TPL, larger one of Abbe numbers of TNL, smaller one of Abbe numbers of TPL, focal lengths of first and second LUs, a distance from an optical surface closest to object side to image plane, and a focal length of zoom lens at a telephoto end are each appropriately set. | 2020-11-05 |
20200348497 | VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL DEVICE, AND METHOD FOR PRODUCING VARIABLE MAGNIFICATION OPTICAL SYSTEM - A variable magnification optical system has, in order from an object side: a first lens group having positive refractive power; a second lens group having negative refractive power; an aperture stop; a third lens group having positive refractive power; and a rear lens group. Upon zooming from a wide-angle end state to a telephoto end state, at least the rear lens group is moved toward the object side, and distances between the lens groups are varied. Upon focusing from an infinitely distant object to a closely distant object, the third lens group is moved along the optical axis. At least a portion of the rear lens group constitutes a vibration reduction lens group having negative refractive power and moveable perpendicular to the optical axis. An optical apparatus and a method of manufacture are also provided. | 2020-11-05 |
20200348498 | DUAL COLLIMATING LENS CONFIGURATION FOR OPTICAL DEVICES - Aspects of the embodiments are directed to an opto-electronic device and methods of using the same. The opto-electronic device can include a processing device and a photonic device. The photonic device can include an optical demultiplexer; a collimating lens optically coupled to the optical demultiplexer and positioned to receive light from the optical demultiplexer, the collimating lens to collimate light received from the optical demultiplexer; a photodetector comprising a photosensitive element, the photosensitive element to convert received light into an electrical signal; and a focusing lens optically coupled to the photodetector, the focusing lens to receive light and focus the light towards the photosensitive element. | 2020-11-05 |
20200348499 | BIOLOGICAL TISSUE INSPECTION DEVICE AND METHOD THEREFOR - A biological tissue inspection apparatus is disclosed. The biological tissue inspection apparatus comprises a stage and a probe. The probe comprises an optical imaging device, an optical interference detector, and a light guide. The probe acquires data regarding optical images and optical interference, through the optical imaging device and the optical interference detector. The stage or the probe moves such that a selected area of the inspection object is positioned in the FOV of the optical imaging device and of the optical interference detector. The light guide is configured such that illumination light from the optical imaging device and measurement light from the optical interference detector are coaxially emitted to the inspection object. | 2020-11-05 |
20200348500 | METASURFACE IMAGER FOR QUANTITATIVE PHASE GRADIENT DETECTION - Quantitative phase gradient microscopes (QPGM) using metasurface layers including birefringent lenses are disclosed. The birefringent lenses are manufactured by patterning nanoposts on two different transparent substrates or on opposite sides of the same transparent substrate. Methods to generate phase gradient images (PGI) of objects using the described devices are also disclosed. | 2020-11-05 |
20200348501 | Auto-Focus Methods and Systems for Multi-Spectral Imaging - Techniques for acquiring focused images of a microscope slide are disclosed. During a calibration phase, a “base” focal plane is determined using non-synthetic and/or synthetic auto-focus techniques. Furthermore, offset planes are determined for color channels (or filter bands) and used to generate an auto-focus model. During subsequent scans, the auto-focus model can be used to quickly estimate the focal plane of interest for each color channel (or filter band) rather than re-employing the non-synthetic and/or synthetic auto-focus techniques. | 2020-11-05 |
20200348502 | Methods and Apparatus for Sparse Decomposition Light Field Microscopy - A light field microscope may record a raw light field video of a sample. The raw video recording may be decomposed into a non-negative low-rank component and a non-negative sparse component. The low-rank component may correspond to a static portion of the sample, and the sparse component may correspond to a dynamically changing portion of the sample. Volume reconstruction may be performed on the sparse component to generate a three-dimensional video of the sample, with improved spatial resolution. In some cases, the decomposition is calculated by an alternating direction method of multipliers algorithm, with the non-negativity of the sparse component and low-rank component enforced after each iteration. In some cases, the volume reconstruction is calculated by Richardson-Lucy iteration with regularization. The sample may be fluorescent. The fluorescence may be indicative of neural activity in the sample. | 2020-11-05 |
20200348503 | Virtual Slide Stage (VSS) Method For Viewing Whole Slide Images - Embodiments provide slide navigation technology that addresses challenges in digital pathology of navigating and viewing high resolution slide images. Example systems comprise a virtual slide stage (VSS) having at least one sensor that detects user movement of a target placed on the VSS, and an input component, coupled to the VSS, which provides quick function movement control of the target via quick functions. The systems also comprise a connector component that connects the VSS to a user device and transmits output from the at least one sensor and input component to the user device. The systems further comprise a computer processor, in communication with the VSS, which processes the output using a computational model to generate data representing movement profiles of the target. The computer processor executes a software component, causing the output, translated based on the movement profiles, to be relayed via a viewing application on the user device. | 2020-11-05 |
20200348504 | Method and System for Localisation Microscopy - Embodiments of the present invention provide a method and system for processing microscopy images to enable localisation analysis of high density raw data, and thereby achieve higher spatial resolution than would otherwise be the case. This is achieved by exploiting temporal redundancies in the image data resulting from close-to emitters that would otherwise be resolved as a single emitter were they to emit or fluoresce at the same time, but which, by virtue of emitting or fluorescing at slightly different (yet potentially overlapping) times, can be subject to temporal filtering by different filters of different temporal bandwidth to resolve the two emitters. Effectively, the different temporal filters have different time constants which work together to effectively highlight the different emission or fluorescence times of the two emitters, to thereby allow the two close-to emitters to be separately resolved. | 2020-11-05 |
20200348505 | Optical Imaging Devices and Variable-Focus Lens Elements, and Methods for Using Them - The present disclosure relates optical imaging devices and methods useful in biological and medical imaging applications. In one embodiment, an optical imaging device includes a flexible lightguide having a first end and a second end, the output of the source of pulsed infrared radiation being optically coupled to the first end of the flexible lightguide; a lens assembly attached to and optically coupled to the second end of the flexible lightguide, the lens assembly comprising a variable-focus lens element, the a variable-focus lens element having a tunable focal length; and a photodetector coupled to the flexible lightguide to detect radiation propagating from the second end toward the first end of the flexible lightguide. The optical imaging devices and methods can be used in both confocal and multi-photon techniques. | 2020-11-05 |
20200348506 | OPTICAL UNIT AND ENDOSCOPE - An optical unit includes: a first actuator for driving a first movable barrel; a second actuator for driving a second movable barrel; a first contact surface for defining a first frontmost end position which the first movable barrel takes; a second contact surface for defining a rearmost end position which the first movable barrel takes; a third contact surface for defining a frontmost end position which the second movable barrel takes; a fourth contact surface for defining a rearmost end position which the second movable barrel takes; and a contact member formed on the first movable barrel, having a fifth contact surface which is brought into contact with a distal end surface of the second movable barrel, and defining a first stop position or a second stop position. | 2020-11-05 |
20200348507 | STEREO IMAGING SYSTEM - A stereoscopic optical system that includes an image member that is located at a position along a center optical axis and that has a first stereoscopic image area on a first side of the optical axis for receipt of a first stereoscopic image thereon and a second, separate stereoscopic image area on a second, separate side of the optical axis for receipt of a second, separate stereoscopic image thereon. The system includes an optical arrangement extending along the center optical axis and includes a roof prism with first and second roof segments. The arrangement is configured to transmit image-forming rays passing through the first roof segment to the first stereoscopic image area along a first optical path through the arrangement and is configured to transmit image-forming rays passing through the second roof segment to the second stereoscopic image area along a second, different optical path through the arrangement. | 2020-11-05 |
20200348508 | LIGHT PATTERN GENERATOR - A diffractive optical element according to the present disclosure includes: a plurality of diffractive optical element segments, each diffractive optical element segment having an asperity shape on the segment's surface to vary phases of light entering the segment according to positions on the segment's surface which the light enters, the each diffractive optical element segment projecting, when the light enters, light having a phase distribution to form a light pattern, wherein the diffractive optical element segments are arranged on a same plane and have, on their surfaces, asperity shapes which are different from each other and correspond to respective light patterns different from each other, the light patterns being formed by light's entering the respective diffractive optical element segments, and wherein the diffractive optical element segments are arranged in respective regions on the diffractive optical element, which are partitioned by lines radially extending from a center of the diffractive optical element to a circumference thereof. By the above configuration, it becomes possible to produce a plurality of light patterns and switch between the light patterns, using a single diffractive optical element. | 2020-11-05 |
20200348509 | LENS MODULE - A camera module includes a lens base, a lens group, and a switching mechanism. The lens base defines a through hole. The lens group is received within the through hole. The switching mechanism includes a switching base, an optical path conversion member, and a driving member. The switching base is mounted on the lens base and defines a light guide cavity communicating with the through hole. The switching base defines a front aperture and a rear aperture. The front aperture and the rear aperture communicate with the light guide cavity. The optical path conversion member includes a reflective surface. The driving member is mounted within the light guide cavity. The driving member drives the optical light conversion member to rotate to cause the reflective surface to reflect light entering through the front aperture or the rear aperture to the lens group. | 2020-11-05 |
20200348510 | IMAGE GENERATING DEVICE - An optical device may include an optical fiber having a fixed end and a free end; a first actuator positioned at a actuator position between the fixed end and the free end and configured to apply a first force on the actuator position of the optical fiber such that a movement of the free end of the optical fiber in a first direction is caused, wherein the first direction is orthogonal to a longitudinal axis of the optical fiber; and a deformable rod disposed adjacent to the optical fiber, and having a first end and a second end, wherein the first end is connected to a first rod position of the optical fiber and the second end is connected to a second rod position of the optical fiber. | 2020-11-05 |
20200348511 | TECHNIQUES FOR IMPROVING A FIBER SCANNING SYSTEM - A fiber scanning system includes an actuator configured to have an actuator natural frequency, and a fiber optic scanning element coupled to the actuator. The fiber optic scanning element is configured to have a fiber natural frequency that is within a threshold of the actuator natural frequency, such that a displacement gain of the fiber optic scanning element as a function of operating frequency exhibits a first peak value at a first resonance frequency less than the fiber natural frequency, and a second peak value at a second resonance frequency greater than the fiber natural frequency. | 2020-11-05 |
20200348512 | LENS MODULE CAPABLE OF REDUCING VISIBILITY OF GHOSTS AND ELECTRONIC DEVICE USING THE SAME - A lens module includes a lens group and at least one coating film. The lens group includes a plurality of lenses arranged successively from an object side of the lens module to an image side of the lens module. Each lens has two effective surfaces. One effective surface is located on the object side of the lens module, and the other is located on the image side. The coating film formed on at least one of the effective surfaces. The coating film satisfies a first relationship: B | 2020-11-05 |
20200348513 | OPTICAL ELEMENT AND DISPLAY DEVICE USING THE SAME - An optical element including a first pattern is provided. The first pattern includes a film and a plurality of light deflection regions arranged on the film, wherein each light deflection region comprises a diffraction structure having two or more than two amplitudes. | 2020-11-05 |
20200348514 | WAVEGUIDE INCLUDING VOLUME BRAGG GRATINGS - A waveguide is provided for conveying image light. The waveguide includes an input port for receiving a first beam of image light carrying an image in a wavelength band. A first diffraction grating of the waveguide includes a plurality of volume Bragg gratings (VBGs) configured to expand the first beam along a first axis and to redirect the first beam towards a second diffraction grating of the waveguide. The second diffraction grating includes a plurality of VBGs configured to receive the first beam from the first diffraction grating and to out-couple different portions of the first wavelength band of the first beam along a second axis, thereby expanding the first beam along the second axis for observation of the image by a user. | 2020-11-05 |
20200348515 | SYNCHRONIZING LIGHT SOURCES AND OPTICS IN DISPLAY APPARATUSES - A display apparatus communicably coupled with server arrangement. Display apparatus includes means for tracking user's gaze; means for tracking pose of display apparatus; light source; optical element; and processor. Processor is configured to: process gaze-tracking data; process pose-tracking data; send, to server arrangement, gaze information and apparatus information, server arrangement predicts gaze information and apparatus information, and processes input image to generate image based on predictions; receive, image, predicted gaze information, and predicted apparatus information; determine adjustment required in configuration of light source and optical element prior to displaying image; determine if portion of previous image is to be displayed during adjustment; if yes, display said portion during adjustment; if no, switch off or dim light source during adjustment; display image via light source after adjustment. | 2020-11-05 |
20200348516 | DISPLAY SYSTEM AND DISPLAY METHOD - A display system includes a first display device and a second display device. The first display device is a display device for a variable object, and displays the variable object in a predetermined area. The second display device is a display device for an invariable object, and displays the invariable object in the predetermined area. | 2020-11-05 |
20200348517 | METHOD AND SYSTEM FOR SELECTIVE CONTENT PROCESSING BASED ON A PANORAMIC CAMERA AND A VIRTUAL-REALITY HEADSET - Gaze positions of an operator wearing a virtual-reality headset displaying a video stream define preferred view regions of the display. Starting with a reference gaze position, and for each subsequent distinctly different gaze position, the virtual-reality headset sends control data, including three spatial coordinates and a time coordinate expressed as a cyclical video-frame index, to a view adaptor receiving the video stream. The view adaptor stores contents of a number of most recent video frames of the video stream in a circular content-buffer and control data of a number of most recent gaze positions in a circular control-buffer. A content filter within the view adaptor determines a preferred view region surrounding a gaze position according to control data held in the circular control-buffer and extracts a partial content of a respective frame held in the circular content-buffer according to the preferred view region. | 2020-11-05 |
20200348518 | NEAR-EYE PERIPHERAL DISPLAY DEVICE - A head-mounted, near-eye display device includes a central display and a peripheral display. The central display creates a central image of a first resolution in a central eyebox. The peripheral display creates a peripheral image of a second resolution, lower than the first resolution, in a peripheral eyebox, different than the central eyebox. | 2020-11-05 |
20200348519 | Waveguide Display with Wide Angle Peripheral Field of View - Systems and methods for waveguide displays having a wide-angle peripheral field of view in accordance with various embodiments of the invention are illustrated. One embodiment includes a helmet-integrated waveguide display including a helmet, a first picture generation unit (PGU), data communication and power supply links integrated within the helmet, a cable for transmitting signals from the data communication and power supply links to the PGU, and waveguide glasses including a first waveguide for projecting image modulated light from the PGU into an eyebox, and a frame supporting the waveguide, wherein the waveguide has outer edges not abutted by the frame, the waveguide is separated from the PGU by an air space providing unobscured lines of sight between the PGU and the outer edges, and the cable interfaces to the PGU via a self-mating mechanism. | 2020-11-05 |
20200348520 | DISPLAY DEVICE, ORGANIC LIGHT EMITTING DISPLAY DEVICE, AND HEAD-MOUNTED DISPLAY DEVICE - A display device includes a substrate, a first display element which is disposed on the substrate, and a plurality of diffraction patterns which are disposed on a path of light emitted from the first display element and arranged along a direction with a first period. when a width of a cross section of one of the plurality of diffraction patterns is defined as a first length, the first period and the first length satisfy Inequality (1): | 2020-11-05 |
20200348521 | Augmented Reality Apparatus and Optical System Therefor - The disclosure relates to an optical system for an augmented reality apparatus, comprising: an image source; and a polarizing beam splitter. The polarizing beam splitter has a beam splitting side adjacent to the image source and a transmission side facing away from the image source. The polarizing beam splitter is arranged such that light emitted from the image source is able to be non-perpendicularly incident on the beam splitting side and be at least partially reflected. The polarizing beam splitter is configured such that when light is incident on the beam splitting side, a polarized light component, whose polarization is in a first direction, passes through the polarizing beam splitter and is transmitted through the transmission side thereof, and a polarized light component, whose polarization is in a second direction perpendicular to the first direction, is reflected from the beam splitting side. The optical system also comprises a polarizer disposed between the image source and the beam splitting side of the polarizing beam splitter, and the polarizer is configured to allow polarized light, whose polarization is in the second direction, to be transmitted therethrough and polarized light, whose polarization is in the first direction to be absorbed. | 2020-11-05 |
20200348522 | Wearable AR System, AR Display Device and its Projection Source Module - The application provides an augmented reality display device comprising a projection source module ( | 2020-11-05 |
20200348523 | IMPROVEMENTS IN OR RELATING TO VARIABLE FOCUSING POWER OPTICAL DEVICES AND AN AUGMENTED REALITY HEADSET OR HELMET INCORPORATING SUCH A DEVICE - A membrane assembly ( | 2020-11-05 |
20200348524 | Head Mounted Display Device - A head mounted display device includes a spectacles frame, two temples, an optomechanical module, a lens and a circuit board module. The temples are connected to the opposite ends of the spectacles frame, respectively. The lens is fixed to the spectacles frame. The optomechanical module is loaded on the spectacles frame, jointed to the lens, and configured for outputting signals to the lens. The circuit board module is disposed on the frame and electrically connected to the optomechanical module. | 2020-11-05 |
20200348525 | Bumper System - A headset system is described herein including a number of features including a frame and optical element. The headset system may include different combinations of bumper systems to permit the headset to accommodate different sized or dimensioned mobile device for use with the headset. | 2020-11-05 |
20200348526 | Device for Forming at Least One Tilted Focused Beam in the Near Zone, From Incident Electromagnetic Waves - A device for forming at least one focused beam in a near-field zone, from an electromagnetic wave incident on the device, is remarkable in that it comprises at least one layer of dielectric material comprising at least partially at least one cavity, the at least one cavity being filled in with a medium having a refractive index lower than that of the dielectric material. The at least one cavity is targeted to be cylindrical or cone-shaped and comprises at least one base surface, defined with respect to an arrival direction of the electromagnetic wave, and at least one lateral surface. The at least one base surface is delineated by a base edge line which has a shape of a crescent moon, comprising a concave base edge line segment and a convex base edge line segment, which shape, and/or orientation and/or associated base angles between the at least one base surface and the at least one lateral surface control an angular position of a projection of the at least one focused beam on a plane orthogonal to the arrival direction of the electromagnetic wave and comprising at least part of the at least one base surface, called an azimuth angle. | 2020-11-05 |
20200348527 | PANCAKE LENS ASSEMBLY AND OPTICAL SYSTEM THEREOF - An optical lens assembly and an optical system is provided. The optical lens assembly includes a first optical element including a partial reflector and a quarter-wave plate and a second optical element including a reflective polarizer. The first optical element and the second optical element form a cavity. The pancake lens assembly further includes a varifocal lens having an adjustable optical power, and the varifocal lens is disposed inside or outside the cavity. | 2020-11-05 |
20200348528 | PANCAKE LENS ASSEMBLY AND OPTICAL SYSTEM THEREOF - An optical lens assembly and a head-mounted display (HMD) is provided. The optical lens assembly includes a first optical element including a partial reflector and a quarter-wave plate, a second optical element including a reflective polarizer, and a varifocal lens disposed inside a cavity formed by the first optical element and the second optical element. The varifocal lens is a liquid crystal (LC) lens stack including a plurality of LC lenses. An LC lens of the plurality of the LC lenses has a plurality of optical states including an additive state that adds optical power to the varifocal lens and a subtractive state that removes optical power from the varifocal lens. The plurality of optical states provides a range of adjustment of optical power for the optical lens assembly. | 2020-11-05 |
20200348529 | LAYERED OPTICAL DEVICE - A layered optical device has been disclosed herein that allows adjustment of light intensity as well as colors of the light that passes through it. The layered optical device includes three main parts such as a rear part, a front part, and a middle part. The middle part is placed between the rear part and the front part by using a hinge type mechanism, which allows a lid to move laterally relative to the other two parts. The layered optical device is configured so that the intensity and color spectrum of the light passing through it may be adjustable depending on a rotation angle of the front polarizer relative to the rear polarizer, the optical characteristics of the birefringent component, the position of the birefringent component relative to the front polarizer, and the rear polarizer and a viewing angle. | 2020-11-05 |
20200348530 | Augmented Reality Apparatus and Optical System Therefor - The disclosure relates to an augmented reality apparatus and an optical system therefor. The optical system comprises an image source; a beam splitter component having a beam splitting side adjacent to the image source and a transmission side facing away from the image source; a wave plate adjacent to the beam splitting side, the beam splitter component being arranged in such a way that light emitted from the image source is able to be non-perpendicularly incident on the beam splitting side and at least partially reflected toward the wave plate; and a semi-reflector located downstream of the wave plate in an optical path of the reflected light, wherein the beam splitter component is configured in such a way that when the light emitted from the image source is incident on the beam splitting side, a polarized light component, whose polarization is in a first direction, passes through the beam splitter component to be transmitted through the transmission side, and a polarized light component, whose polarization is in a second direction perpendicular to the first direction, is reflected by the beam splitting side toward the wave plate, and wherein the beam splitter component is also configured in such a way that when light is incident on the transmission side, a polarized light component of the light polarized in the first direction is able to pass through the beam splitter component to be transmitted through the beam splitting side, and a polarized light component of the light polarized in the second direction is able to be absorbed in the beam splitter component, wherein the wave plate is preferably a quarter-wave plate. Using the inventive technical means, influence of unwanted light on the image quality can be eliminated and in the meanwhile influence of stray light can be eliminated. | 2020-11-05 |
20200348531 | Laser Illumination Device - An Electrically Switchable Bragg Grating (ESBG) despeckler device comprising at least one ESBG element recorded in a hPDLC sandwiched between transparent substrates to which transparent conductive coatings have been applied. At least one of said coatings is patterned to provide a two-dimensional array of independently switchable ESBG pixels. Each ESBG pixel has a first unique speckle state under said first applied voltage and a second unique speckle state under said second applied voltage. | 2020-11-05 |
20200348532 | LENS DRIVING APPARATUS, AND CAMERA MODULE AND OPTICAL DEVICE INCLUDING SAME - One embodiment includes: a housing; a bobbin arranged in the housing so as to mount a lens therein; a magnet arranged in the housing; a first coil, which is arranged in the bobbin and moves in the optical axial direction according to an interaction with the magnet; an elastic member coupled with the bobbin and the housing; a second coil to which a first drive signal is applied, and moving the housing in a direction perpendicular to the optical axial direction according to the interaction with the magnet; a location sensor for sensing the strength of the magnetic field of the magnet according to the movement of the housing; and a third coil to which a second drive signal is applied, and is arranged in correspondence with the location sensor, wherein a first magnetic field, of the second coil, which is generated by the first drive signal, and a second magnetic field, of the third coil, which is generated by the second drive signal, are generated in directions offsetting each other. | 2020-11-05 |
20200348533 | Display Device for Virtual Reality, Viewing Device for Virtual Reality and Head-Mounted Display Apparatus - A display device for virtual reality, a viewing device for virtual reality and a head-mounted display apparatus are provided. The display apparatus includes: a display panel; a first polarizer which is disposed on a first surface of the display panel and includes a plurality of first regions and a plurality of second regions, the plurality of first regions and the plurality of second regions being alternately distributed in a first direction, wherein a polarization direction of each of the plurality of first regions is perpendicular to a polarization direction of each of the plurality of second regions. | 2020-11-05 |
20200348534 | DESKTOP 3D DISPLAY SYSTEM AND DISPLAY METHOD - Provided are a desktop 3D display system and a display method thereof. The desktop 3D display system comprises a 2D image display module ( | 2020-11-05 |
20200348535 | Wearable Device And Its Pivoting Module - A wearable device includes a frame, two feet, and two pivoting modules. Each of the pivoting modules includes a first bracket fixedly connected to the frame, and a second bracket fixedly connected to one of the feet and pivotally coupled to the first bracket. The second bracket includes a positioning member and an inserting member. The positioning member is located in the first bracket, and the positioning member includes a plurality of slots. The inserting member is switchably inserted into one of the slots for adjusting a maximum outreaching volume from the frame to the feet. | 2020-11-05 |
20200348536 | METHOD AND SYSTEM FOR DETERMINING AN OPTICAL SYSTEM INTENDED TO EQUIP A PERSON ON THE BASIS OF THE ADAPTABILITY OF THE PERSON TO A VISUAL AND/OR PROPRIOCEPTIVE MODIFICATION OF HIS/HER ENVIRONMENT - A method for determining an optical system intended to equip a person on the basis of the adaptability of the person to a visual and/or proprioceptive modification of his environment, the method. including a person visual behaviour parameter providing, during which a person visual behaviour parameter indicative of the visual behaviour of the person relative to a given state of the environment is provided; a reference value providing, during which a first value of the person visual behaviour pa ameter corresponding to a reference state of the environment is provided; a visual and/or proprioceptive modification providing, during which a visual and/or proprioceptive modification of the reference state of the environment is provided so as to define a modified state of the environment; and determining, during which an optical parameter of the optical system is determined based on the first value of the person visual behaviour parameter and on a second value of the person visual behaviour parameter associated with the modified state of the environment. | 2020-11-05 |
20200348537 | OPHTHALMIC DEVICE WITH BUILT-IN SELF-TEST CIRCUITRY FOR TESTING AN ADJUSTABLE LENS - An ophthalmic device includes an enclosure that is compatible for wearing in or on an eye. An adjustable lens is disposed within the enclosure. Driver circuitry is disposed within the enclosure and coupled to drive the adjustable lens and change its optical power. Built-in-self-test (BIST) circuitry is disposed within the enclosure and coupled to the adjustable lens. The BIST circuitry includes an impedance measurement circuit coupled to selectively measure an impedance of the adjustable lens. A controller is disposed within the enclosure and includes BIST control logic that measures the impedance of the adjustable lens with the impedance measurement circuit to determine a health status of the adjustable lens. | 2020-11-05 |
20200348538 | PROGRESSIVE SPECTACLE LENS WITH A VARIABLE REFRACTIVE INDEX, AND METHOD FOR DESIGNING AND PRODUCING SAME - A progressive spectacle lens has a front surface, a rear surface, and a spatially varying refractive index. The progressive spectacle lens can have: (a) a refractive index that changes only in a first and second spatial dimension and is constant in a third spatial dimension, and the distribution of the refractive index in the first spatial dimension and the second spatial dimension is neither punctually nor axially symmetric; (b) a refractive index that changes in a first, a second, and third spatial dimension, and the distribution of the refractive index in the first spatial dimension and the second spatial dimension is neither punctually nor axially symmetric on all planes perpendicular to the third spatial dimension; or (c) a refractive index that changes in a first, second, and third spatial dimension, and the distribution of the refractive index is not punctually or axially symmetric at all. | 2020-11-05 |
20200348539 | Goggles and air filter combination - A goggles and air filter combination includes goggles including a container on a top, a frame, an eyeglass held by the frame, and a bridge; a strap having two ends releasably attached to two ends of the frame respectively; and an air filter including a housing disposed in the container, a centrifugal fan disposed in the housing, and a filter element disposed on a top of the centrifugal fan. The air filter communicates with the eyeglass. | 2020-11-05 |
20200348540 | EYEWEAR WITH WEARING STATUS DETECTOR - An embodiment of the present disclosure provides an eyewear including: a front frame; and a wearing status detector detecting that the eyewear is worn. | 2020-11-05 |
20200348541 | PHASE MODULATION ACTIVE DEVICE, METHOD OF DRIVING THE SAME, AND OPTICAL APPARATUS INCLUDING THE PHASE MODULATION ACTIVE DEVICE - A phase modulation active device and a method of driving the same are provided. The method may include configuring, for the phase modulation active device including a plurality of channels that modulate a phase of incident light, a phase profile indicating a phase modulation target value to be implemented by the phase modulation active device; setting a phase limit value of the phase modulation active device; generating a modified phase profile based on the phase profile by modifying the phase modulation target value, for at least one channel from the plurality of channels that meets or exceeds the phase limit value, to a modified phase modulation target value that is less than the phase limit value in the phase profile; and operating the phase modulation active device based on the modified phase profile. Thus, improved optical modulation performance may be achieved. | 2020-11-05 |
20200348542 | Heating Electrode For Lowering Stress Of Light Waveguide And Voa Thereof - A heating electrode for lowering stress of a light waveguide and a VOA. The heating electrode is provided on an upper cladding layer ( | 2020-11-05 |
20200348543 | WAVELENGTH CALIBRATION METHOD, APPARATUS, AND SYSTEM FOR MICRORING FILTER - A wavelength calibration method, apparatus, and system is disclosed. The method includes: selecting sonic wavelengths from a plurality of wavelengths, and performing the following operations on a microring filter for each of the some wavelengths, to obtain sets of calibrated voltages of the some wavelengths: (1) adjusting thermal tuning power of multiple microrings by using one set of voltages, and obtaining multiple sets of voltages that enable monitored optical power to have an extreme value, and (2) using the multiple of sets of voltages as a reference, adjusting the thermal tuning power of the multiple microrings by using another set of voltages, and determining one of the sets of calibrated voltages, which enables the monitored optical power to converge, from the multiple sets of voltages; and then, obtaining, through calculation based on the sets of calibrated voltages of the some wavelengths, sets of calibrated voltages of other wavelengths. | 2020-11-05 |
20200348544 | INTEGRATED FREQUENCY REFERENCING SYSTEM - The present invention relates to an integrated frequency referencing system. The integrated frequency referencing control system comprises inter alia a substrate and an optical pathway being integrated on the substrate and being configured and operable to enable propagation for light signals. The optical pathway comprises an electro-optic modulator structure being configured and operable to impart a unique identification modulation to at least one input optical signal emitted by the light source, at least one optical dielectric waveguide being configured and operable to enable confinement and propagation of the at least one input modulated optical signal therethrough, and an atomic vapor cell accommodating atoms or molecules providing at least one atomic or molecular transition. | 2020-11-05 |
20200348545 | OPTICAL ELEMENT AND LIGHT GUIDE ELEMENT - An object is to provide an optical element in which a wavelength dependence of refraction of transmitted light is small, and a light guide element including the optical element. The optical element includes: plurality of optically-anisotropic layers that are formed using a composition including a liquid crystal compound and have a liquid crystal alignment pattern in which a direction of an optical axis derived from the liquid crystal compound continuously rotates in one in-plane direction; and a wavelength selective phase difference layer that is disposed between two optically-anisotropic layers and converts circularly polarized light in a specific wavelength range into circularly polarized light having an opposite turning direction, in which, in a case where, in the liquid crystal alignment pattern, a length over which the direction of the optical axis rotates by 180° in the in-plane direction in which the direction of the optical axis changes is set as a single period, a length of the single period in at least one optically-anisotropic layer is different from that of another optically-anisotropic layer. | 2020-11-05 |
20200348546 | DISPLAY PANEL - A display panel including a first substrate, a second substrate, a display medium layer and a sealant is provided. The second substrate is assembled with the first substrate. The display medium layer is disposed between the first substrate and the second substrate. The sealant is disposed between the first substrate and the second substrate, surrounds the display medium layer and includes a continuous one-piece pattern, wherein the continuous one-piece pattern includes a first segment and a second segment, and a difference between a width of the first segment and a width of the second segment is greater than or equal to a third of the width of the second segment. | 2020-11-05 |
20200348547 | DISPLAY DEVICE - The invention provides a display device, which includes a display panel and at least one optical device. The display panel has a display region and a display surface. The at least one optical device is overlapped with the display panel. The optical device has a low-reflectivity sealant pattern. An angle of 45 degrees is included between the display surface of the display panel and a connecting line of a side edge of the display region and the low-reflectivity sealant pattern. An inner edge of the low-reflectivity sealant pattern and the display region are located on the same side of the connecting line. The display device of the invention has good light emitting uniformity at different viewing angles. | 2020-11-05 |
20200348548 | LIQUID CRYSTAL DISPLAY DEVICE - In order to avoid generation of black unevenness caused by the water intrusion into a liquid crystal display device, there is to provide a liquid crystal display device including a display area and a terminal portion, in which a TFT substrate with an organic passivation film formed and an opposite substrate are adhered to each other by a seal portion and a liquid crystal is enclosed there, wherein in the seal portion of the TFT substrate, a groove-shaped through-hole is formed in the organic passivation film to surround the display area, a water absorption layer formed of the same material in the same process as that of the organic passivation film is formed within the groove-shaped through-hole, and the water absorption layer is not covered with the inorganic insulating film. | 2020-11-05 |
20200348549 | DIMMING LAMINATE AND RESIN SPACER FOR DIMMING LAMINATE - Provided is a dimming laminate which can effectively suppress occurrence of color unevenness and light omission. The dimming laminate according to the present invention includes a first transparent base material, a second transparent base material, and a dimming layer disposed between the first transparent base material and the second transparent base material. In this dimming laminate, the dimming layer includes a resin spacer, the resin spacer is a plurality of resin particles, and the resin spacer does not contain resin particles having a particle diameter of 1.4 times or more an average particle diameter of the resin particles or contains 0.0006% or less of the resin particles having a particle diameter of 1.4 times or more the average particle diameter of the resin particles, relative to 100% of the whole number of the resin particles. | 2020-11-05 |
20200348550 | DISPLAY PANEL AND DISPLAY DEVICE - Display panel and display device are provided. The display panel includes: a color film substrate, an array substrate, at least one light sensitive unit, and collimating apertures penetrating a portion of film layers of the color film substrate and the array substrate along a first direction perpendicular to the display panel. The collimating apertures and the at least one light sensitive unit are disposed in a one-to-one correspondence. The color film substrate includes a first substrate, a first light-blocking layer with first openings, and at least one second light-blocking layer with second openings. The array substrate includes a third light-blocking layer with third openings. An orthographic projection of each first opening, an orthographic projection of a corresponding second opening, and an orthographic projection of a corresponding third opening, at least partially overlap an orthographic projection of a corresponding collimating aperture on the first substrate. | 2020-11-05 |