26th week of 2021 patent applcation highlights part 41 |
Patent application number | Title | Published |
20210199833 | SYSTEM, METHOD AND APPARATUS FOR REDUCED WATER USAGE FOR FRACTURING HYDROCARBON WELLS WITH THREE-DIMENSIONAL IMAGING OF THE FORMATION FROM A SINGLE BOREHOLE - Provided are methods of reducing water consumption in a fracturing operation. The methods can include imaging a geologic formation surrounding a borehole using a downhole tool within the borehole. The method can further include identifying, within the image, fractures conducive to hydrocarbon production; correlating the fractures conducive to hydrocarbon production to fracture zones; and selecting locations of the fracture zones to be hydraulically fractured, wherein the selected locations collectively represent less than the axial length of the borehole, thereby reducing water consumption compared to hydraulic fracturing along an entirety of the axial length. | 2021-07-01 |
20210199834 | METHOD FOR OPERATING A SENSOR SYSTEM, SENSOR ELEMENT AND SENSOR SYSTEM - A method for operating a sensor system having at least three sensor elements that can be attached on the surface of machines or components, the sensor elements having electrodes for forming electrical fields between electrodes having different electrical potential, the electrical fields changing upon the approach and/or contact of a body or an object, the electrodes acting as transmit electrode and/or as receive electrode, and the sensor elements being controlled in succession by a control device in a particular temporal or positional sequence. | 2021-07-01 |
20210199835 | METAL DETECTOR | 2021-07-01 |
20210199836 | DOWNHOLE ELECTROMAGNETIC SENSING TECHNIQUES - An electromagnetic (EM) telemetry system includes an EM transmitter configured to transmit EM signals downhole and multiple sensors each configured to communicate with the EM transmitter and with another of the multiple sensors. Each sensor is placed a distance from another sensor along a length of a wellbore in the EM telemetry system. The EM telemetry system also includes a processor configured to select two or more sensors of the multiple sensors based on a signal to noise ratio (SNR) of an EM signal received from the two or more selected sensors, a depth of the EM transmitter, or both. | 2021-07-01 |
20210199837 | MAGNETIC FREEPOINT INDICATOR TOOL - A system for determining a stuck point of a pipe positioned within a wellbore includes a tubular housing and a sensor array positioned within the tubular housing, the sensor array arranged at a first end. The system also includes a first magnetic source positioned within the tubular housing, the first magnetic source arranged at a second end. The system further includes a second magnetic source positioned within the tubular housing, the second magnetic source arranged between the sensor array and the second end. The first magnetic source and the second magnetic source have a different magnetic field source. | 2021-07-01 |
20210199838 | ADAPTIVE DOWNHOLE ACQUISITION SYSTEM - A method can include accessing a measurement model in memory of a downhole tool; determining an optimal parameter set using a processor of the downhole tool and the measurement model; and performing at least one measurement using at least one sensor of the downhole tool operated according to the optimal parameter set. | 2021-07-01 |
20210199839 | DETECTION SYSTEM USING MAGNETORESISTANCE - A detection system comprises multiple detection nodes connected to a data bus. Each detection node comprises a magnetic sensor, a data processing unit, and a bus adaptor. The magnetic sensor captures time-dependent magnetic signal. The data processing unit extract a signature feature from the magnetic signal. The signature feature is sent to a server through the data bus; and the server makes a decision based upon the signature feature from the detection nodes using an AI deep learning algorithm. | 2021-07-01 |
20210199840 | TEMPERATURE CORRECTION OF NMR RELAXATION TIME DISTRIBUTIONS - A method includes generating a temperature-corrected nuclear magnetic resonance (NMR) measurement-derived value corresponding to a target temperature using a correlation model that is based on a difference between the target temperature and a sample temperature. The method also includes determining a formation property based on the temperature-corrected NMR measurement-derived value corresponding to the target temperature. | 2021-07-01 |
20210199841 | MULTIFACETED RADIATION DETECTION AND CLASSIFICATION SYSTEM - A system identifying a source of radiation is provided. The system includes a radiation source detector and a radiation source identifier. The radiation source detector receives measurements of radiation; for one or more sources, generates a detection metric indicating whether that source is present in the measurements; and evaluates the detection metrics to detect whether a source is present in the measurements. When the presence of a source in the measurements is detected, the radiation source identifier for one or more sources, generates an identification metric indicating whether that source is present in the measurements; generates a null-hypothesis metric indicating whether no source is present in the measurements; evaluates the one or more identification metrics and the null-hypothesis metric to identify the source, if any, that is present in the measurements. | 2021-07-01 |
20210199842 | INTEGRATION OF PHYSICAL SENSORS IN A DATA ASSIMILATION FRAMEWORK - A method and system for outputting a state of a physical system using a calibrated model of the physical system, where the calibrated model is used to generate a model prediction. The system includes a plurality of sensors connected to a routing node are used to monitor measured data of the physical system. A first sensor of the plurality of sensors includes a logic module configured to determine an uncertainty quantification, and to combine the uncertainty quantification with the model prediction to output the state of the physical system. | 2021-07-01 |
20210199843 | METHOD FOR RESERVOIR SIMULATION OPTIMIZATION UNDER GEOLOGICAL UNCERTAINTY - A method, computer program product, and computing system are provided for receiving reservoir data associated with the reservoir. A simulation may be performed on the reservoir data to generate simulated reservoir data. A subset of realizations including a minimal number of realizations from a plurality of realizations may be determined based upon, at least in part, one or more statistical moments of the simulated reservoir data. An optimized reservoir model associated with an objective may be generated based upon, at least in part, the subset of realizations including the minimal number of realizations. | 2021-07-01 |
20210199844 | METHOD FOR UPDATING A STRATIGRAPHIC MODEL OF A SEDIMENTARY BASIN BASED ON MEASUREMENTS - The present invention relates to a method for updating a stratigraphic model according to measurements performed in a basin. The method comprises steps of i) determining at least a first spatial distribution of the values of an attribute representative of the basin stratigraphy, and applying a classification method for converting this first spatial distribution to a first classified image; ii) performing a stratigraphic simulation with first parameter values of the simulation, deducing therefrom a second spatial distribution of the values of the attribute and applying the same classification method identically to determine a second classified image; iii) determining a distribution of local dissimilarities between the first and second classified images, and modifying the values of at least one of the stratigraphic simulation parameters to minimize an objective function formed from at least the local dissimilarity distribution; and iv) updating the stratigraphic model by performing at least one stratigraphic simulation with the modified simulation parameter values. | 2021-07-01 |
20210199845 | HYPERGRAVITY EXPERIMENTAL APPARATUS AND EXPERIMENTAL METHOD FOR INTERACTION BETWEEN BRITTLE DEFORMATION AND DUCTILE DEFORMATION - It discloses a hypergravity experimental apparatus and experimental method for interaction between brittle deformation and ductile deformation. The experimental apparatus comprises an experiment module, a control device and a drive device; the drive device comprises a centrifuge for generating a hypergravity environment and a hydraulic press for generating extensional/compressional force in an experiment box; the control device comprises a control terminal, a control cabinet and a hydraulic control station for controlling the operation of the drive device; the experiment module is provided with an experiment box and a transmission device therein, and the transmission device converts a vertical lifting force generated by a hydraulic cylinder controlled by the hydraulic press in the drive device into a horizontal pushing-pulling force. | 2021-07-01 |
20210199846 | EXPERIMENTAL APPARATUS AND EXPERIMENTAL METHOD FOR PHYSICAL MODELING OF TECTONIC GEOMORPHOLOGY - An experimental apparatus comprises a centrifuge basket experiment module, a structural deformation device, an image reflector and a geomorphometer; the centrifuge basket experiment module is installed on a cantilever of a drum centrifuge in a hanging manner during an experiment; the structural deformation device is configured for extending and compressing experimental materials; a mirror panel of the image reflector reflects images inside an experiment box through a transparent window; the geomorphometer can simulate rainfall and recover wastewater, and the apparatus can also heat the experimental materials. An image acquisition device is installed on a bulkhead of the experiment module and the cantilever of the centrifuge to acquire top and side images of the experiment box. | 2021-07-01 |
20210199847 | EXPERIMENTAL APPARATUS AND EXPERIMENTAL METHOD FOR PHYSICAL MODELING OF FLUID MIGRATION AND ACCUMULATION PROCESS WITH CONTEMPORANEOUS STRUCTURAL DEFORMATION - It discloses an experimental apparatus and experimental method for physical modeling of a fluid migration and accumulation process with contemporaneous structural deformation. The experimental apparatus comprises a structural deformation experiment box, a structural deformation control device, a fluid control device and an experimental control device; the structural deformation experiment box is installed in a basket experiment module on a cantilever of a drum centrifuge, the structural deformation control device can extend and compress an experimental model in horizontal and vertical directions; and fluid cylinders of the fluid control device can be filled with fluids or plastic materials. | 2021-07-01 |
20210199848 | EXPERIMENTAL APPARATUS AND EXPERIMENTAL METHOD FOR PHYSICAL MODELING OF LITHOSPHERIC STRUCTURAL DEFORMATION - The present invention discloses an experimental apparatus and experimental method for physical modeling of lithospheric structural deformation. The experimental apparatus comprises a drum centrifuge capsule, a drum centrifuge driving power compartment, a structural deformation device control system and a motion control system; a basket is hung at each end of a cantilever of the centrifuge, a structural deformation experiment box is placed in the basket, and the structural deformation control system accurately controls the deformation of experimental materials in the experiment box and can model structural deformation processes at various lithospheric scales. The experimental apparatus further comprises real-time monitoring cameras and a high-speed image acquisition device. | 2021-07-01 |
20210199849 | WEATHER DATA COLLECTION THROUGH INCENTIVIZED AND COLLABORATIVE DRONE FLIGHTS - A computer receives a hotspot and a corresponding incentive, where the hotspot is a geolocation for collecting the weather data. The computer presents the received hotspot and the corresponding incentive to a user. The computer receives the weather data from the drone, transmits the weather data to a server, and updates a scorecard with the incentive corresponding to the hotspot based on determining that the drone reached the hotspot. | 2021-07-01 |
20210199850 | COMBINING FORECASTS OF VARYING SPATIAL AND TEMPORAL RESOLUTION - A method of generating an aggregate forecast includes obtaining historical forecasts for a number of time steps and at least one location, obtaining historical conditions for the time steps and the at least one location, training a machine learning algorithm to produce an aggregate historical forecast in response to the historical conditions and the historical forecasts, and producing an aggregate current forecast by running the trained machine learning algorithm on current forecasts. The historical forecasts and the current forecasts vary in at least one of spatial resolution or temporal resolution, and include a first forecast that is valid for a first time step and a second forecast that is valid for a second time step. | 2021-07-01 |
20210199851 | SYSTEM AND METHOD OF EVALUATING AND PREDICTING SPORTS CONDITIONS - A system and method for evaluating and predicting sports conditions is disclosed. The system includes a server designed and configured to detect multi-media content including sporting activities interacted with by a user on a computing device, and automatically extracts parameters associated with the multi-media content. The extracted parameters are utilized by the system to provide predictions associated with the optimal time to perform the sporting activities, and system generates alerts to the user of an optimal time period to perform the sporting activity in conditions similar to those depicted in the multi-media content. | 2021-07-01 |
20210199852 | AUTOMATIC WATER SAMPLER APPARATUS - An automatic water sampler apparatus which comprises at least one movable injection unit that can be positioned in order to inject the sample in a specific vial disposed on a tray of the apparatus, the tray being on the base of the apparatus. The positioning is done by two positioning units. The input unit of the apparatus comprises at least one water collector, but can also comprise four or more water collectors. The invention is also directed to a method of sampling water from a predetermined water body, where a plurality of samples can be collected thanks to the automatic water sampler apparatus. | 2021-07-01 |
20210199853 | OPTICAL FILM AND MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE - An optical film, a manufacturing method thereof and a display device are provided. The optical film includes a photonic crystal film substrate and a plurality of linear defective portions penetrating the photonic crystal film substrate in a thickness direction in the photonic crystal film substrate. A lattice period of each of the linear defective portions is different from a lattice period of the photonic crystal film substrate, and the photonic crystal film substrate includes a plurality of first regions and a plurality of second regions. The first regions and the second regions are alternately distributed along at least one direction in a plane where the photonic crystal thin film is located. The linear defective portion located in each of the first regions has a first light exiting direction. The linear defective portion in each of the second regions has a second light exiting direction. | 2021-07-01 |
20210199854 | OPTICAL LENS WITH ANTIREFLECTIVE FILM, PROJECTION LENS, AND PROJECTION LENS OPTICAL SYSTEM - An optical lens with an antireflective film includes: a lens substrate; and an antireflective film disposed on the lens substrate. The antireflective film is formed of layers each having a physical thickness of 140 nm or less. In order from an air side, the antireflective film has: a first layer formed as an MgF | 2021-07-01 |
20210199855 | OPTICAL MEMBER AND METHOD FOR MANUFACTURING OPTICAL MEMBER - An optical member includes a base material and an antireflective layer on the base material wherein the antireflective layer includes a plurality of fine protrusions on a surface thereof and a support layer for supporting the protrusions, and the support layer contains boron in an amount of 7×10 | 2021-07-01 |
20210199856 | COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE - The present disclosure provides a cover window for a flexible display device comprising a laminate including a light-transmitting substrate or polymer substrate; and a first hard coating layer and a second hard coating layer each formed on both surfaces of the light-transmitting substrate or the polymer substrate, wherein a ratio of a modulus of the first hard coating layer to the total modulus of the laminate is 1.5 to 2.0, and wherein a surface pencil hardness measured from the first hard coating layer side is 5H or more based on 750 g, and a flexible display device comprising the cover window. | 2021-07-01 |
20210199857 | SURFACE TREATMENT COMPOSITION - A surface treatment composition including a perfluoropolyether group-containing silane compound and a solvent, wherein a proportion of the perfluoropolyether group-containing silane compound based on a total amount of the perfluoropolyether group-containing silane compound and the solvent is in the range from 30 to 99% by mass. | 2021-07-01 |
20210199858 | LIQUID LENS, CAMERA MODULE, AND OPTICAL DEVICE INCLUDING THE SAME - A liquid lens includes a first plate in which a cavity accommodating a first liquid and a second liquid is formed, the first liquid being conductive and the second liquid being non-conductive; a first electrode disposed on the first plate; a second electrode disposed under the first plate; a second plate disposed on the first electrode; and a third plate disposed under the second electrode, wherein an opening formed in the cavity adjacent to the second plate has a diameter of 1.6 mm to 1.9 mm, and wherein the first plate has a thickness of 0.45 mm to 0.55 mm. | 2021-07-01 |
20210199859 | LIQUID LENS AND LENS ASSEMBLY INCLUDING SAME - A liquid lens unit according to one embodiment comprises: a first plate including a cavity for accommodating a conductive first liquid and a nonconductive second liquid; a first electrode arranged on the first plate; a second electrode arranged under the first plate; a second plate arranged on the first electrode; a third plate arranged under the second electrode; and an elastic member arranged between the first plate and the third plate. | 2021-07-01 |
20210199860 | MOLDED ARTICLE AND METHOD FOR MANUFACTURING MOLDED ARTICLE - A molded article includes a light transmission portion disposed in superposition with a display portion of a display device, the light transmission portion transmitting light from the display portion. Recesses and protrusions are formed on a surface of the light transmission portion opposite to the display portion, and thus the surface has anti-glare properties. | 2021-07-01 |
20210199861 | METHOD OF MANUFACTURING COLOR FILTER AND COLOR FILTER - A method of manufacturing a color filter and a color filter are provided. The method includes steps of manufacturing a color resist layer and an inorganic barrier layer on a base substrate. The step of manufacturing the color resist layer includes sequentially forming a first color resist, a second color resist, and a third color resist, and the first color resist, the second color resist, and the third color resist are repeatedly arranged in order in a direction along a surface of the base substrate. The step of manufacturing the inorganic barrier layer includes forming a first inorganic barrier layer covering the first color resist after the first coloder resist is formed and before the second color resist is formed. By setting the inorganic barrier layer to separate different color resists, it is possible to avoid diffusion pollution between different color resists and ensure a display performance. | 2021-07-01 |
20210199862 | COLOR FILM SUBSTRATE, FABRICATION METHOD THEREOF, AND DISPLAY DEVICE - A color film substrate includes a substrate, a light-shielding matrix, and a functional composite layer. The light-shielding matrix is over the substrate. The functional composite layer is over the substrate and is electrically conductive. The functional composite layer includes a composite material including a quantum dot and a graphene and is configured to convert white light into color light. | 2021-07-01 |
20210199863 | DETECTION COMPONENT INCLUDING BLACK PIXELS AND METHOD FOR MANUFACTURING SUCH A COMPONENT - The invention relates to a detection component ( | 2021-07-01 |
20210199864 | COLORING COMPOSITION, METHOD FOR PRODUCING COLORING COMPOSITION, COLOR FILTER, PATTERN FORMING METHOD, SOLID-STATE IMAGING DEVICE, AND IMAGE DISPLAY DEVICE - Provided are a coloring composition capable of producing a film having excellent light fastness, and the like, a method for producing a coloring composition, a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The coloring composition includes a coated pigment in which at least a portion of a surface of a yellow pigment is coated with a resin, a halogenated phthalocyanine pigment, a dispersant having an acid value of 40 mgKOH/g or more, and a curable compound. | 2021-07-01 |
20210199865 | OPTICAL FILTER, MULTIPLEX OPTICAL FILTER, AND LIGHT EMITTING DEVICE AND ILLUMINATION SYSTEM USING THE SAME - An optical filter includes a colloidal crystal layer including: a plurality of particles including at least one of an inorganic material or a resin material; and a binder disposed between the plurality of particles. The optical filter reflects a part of light in the wavelength range of 300 nm or more and less than 800 nm. A multiplex optical filter includes multiple optical filters. A light emitting device includes the optical filter and a light source, and a part of primary light emitted from the light source is transmitted through the optical filter. | 2021-07-01 |
20210199866 | STEPPED STRUCTURE OPTICAL FILTER - A filter may include a substrate. The filter may include a stepped medium disposed on the substrate. The filter may include a first mirror disposed on the stepped medium. The first mirror may form a stepped mirror surface. Each step, of the stepped mirror surface may correspond to a channel, of a set of channels, of the filter. The filter may include a spacer disposed on the stepped mirror surface. The filter may include a second mirror disposed on another surface of the spacer. | 2021-07-01 |
20210199867 | LIGHT SOURCE DEVICE AND OPTICAL FILTERING ASSEMBLY THEREOF - An optical filtering assembly comprises a first interference film and a second interference film. The first interference film comprises multiple first film layers and multiple second film layers. The first film layers and the second film layers are alternately stacked. The second interference film comprises multiple third film layers and multiple fourth film layers. The third film layers and the fourth film layers are alternately stacked. An optical constant of the first film layers is same as an optical constant of the third film layers, and an optical constant of the second film layers is same as an optical constant of the fourth film layers, and an Optical Path Difference (OPD) produced in the first interference film is different from an OPD produced in the second interference film. | 2021-07-01 |
20210199868 | DISPLAY SYSTEM WITH OPTICAL ELEMENTS FOR IN-COUPLING MULTIPLEXED LIGHT STREAMS - Architectures are provided for selectively incoupling one or more streams of light from a multiplexed light stream into a waveguide. The multiplexed light stream can have light with different characteristics (e.g., different wavelengths and/or different polarizations). The waveguide can comprise in-coupling elements that can selectively couple one or more streams of light from the multiplexed light stream into the waveguide while transmitting one or more other streams of light from the multiplexed light stream. | 2021-07-01 |
20210199869 | POLARIZING PLATE, MANUFACTURING METHOD THEREOF, AND OPTICAL DEVICE - Provided are: a polarizing plate having high transmittance characteristics and suppressed reflected light, and a manufacturing method thereof; and an optical device provided with said polarizing plate. A polarizing plate ( | 2021-07-01 |
20210199870 | OPTICAL FILM, OPTICAL ELEMENT, AND IMAGING DEVICE - The present application relates to an optical film, an optical element and an imaging device. The optical film of the present application does not only exhibit broadband polarization conversion characteristics in the visible light region, but also has absorption bands in the visible light region. Such an optical film can be applied to an imaging device such as an augmented reality apparatus as an optical element such as a diffractive light guide plate laminate to suppress crosstalk. | 2021-07-01 |
20210199871 | Lighting Systems - A lighting system may include one or more light sources and one or more light guides. A lighting system may be integrated into a window, a skylight, an exterior light such as a headlight, a tail light, or a high center-mounted stop light, or other exterior or interior portions of a system such as a vehicle. The light guide may be embedded in an adhesive layer in a vehicle structure. The light guide may be index-matched to the adhesive layer so that unilluminated portions of the light guide are indistinguishable from the vehicle structure. The light guide may be formed from optical fibers. The optical fibers may include a light-scattering optical fiber that scatters light out of the vehicle structure. The light-scattering optical fiber may be fused to a non-scattering optical fiber that guides light from a light source to the light-scattering optical fiber. | 2021-07-01 |
20210199872 | Light Fiber and Illuminating Device - A light fiber and an illuminating device are disclosed. In an embodiment a light fiber includes a cladding and at least two cores configured to conduct electromagnetic radiation, wherein each core comprises an incoupling surface at one end of the light fiber, wherein the incoupling surfaces of different cores are not contiguous, wherein each of the cladding and/or the cores includes at least one outcoupling zone configured to outcouple the electromagnetic radiation from the cores, wherein the light fiber is configured to emit at least a majority of the electromagnetic radiation in a region of outcoupling zone transverse to a main extension direction of the light fiber, wherein the cores are configured to guide primary radiation, and wherein the outcoupling zone is configured to mix the primary radiation so that mixed light is emitted from the light fiber. | 2021-07-01 |
20210199873 | DUAL-SIDE ANTIREFLECTION COATINGS FOR BROAD ANGULAR AND WAVELENGTH BANDS - A waveguide display includes a first substrate having two opposing sides, a grating on a first side of the two opposing sides of the first substrate and configured to couple display light into or out of the first substrate, a first antireflection layer on a first surface of the grating and configured to reduce reflection of visible light at the first surface of the grating, and a second antireflection layer on a second side of the two opposing sides of the first substrate and configured to reduce reflection of the visible light at the second side of the first substrate. | 2021-07-01 |
20210199874 | ILLUMINATION DEVICE - An illumination device is disclosed including: a plurality of light guide plate units each including a light guide plate and an LED substrate; and a base to which the plurality of light guide plate units are attached so as to be laid over the base. The attachment surface of the base is divided into sections for attaching the light guide plate units so as to lay the light guide plate units over the base and each section is provided with an IC board for driving the corresponding LED substrate and snap-fit engagement portions for fixing the light guide plate unit to the base. A case for covering the back surface of the light guide plate units formed transparently, and the base is also formed transparently. | 2021-07-01 |
20210199875 | LIGHT SOURCE DEVICE - A light source device includes a substrate having an upper surface including mounting areas; light-emitting elements on the upper surface of the substrate in the mounting areas; a light-shielding member on an upper surface of at least one of the light-emitting elements; and a light guide member defining, in a lower surface, first recesses and at least one second recess. The light-emitting elements are disposed on the mounting areas in the first recesses. Light emitted from the light-emitting elements enters the light guide member through first inner surfaces defining the first recesses, is reflected at second inner surfaces defining the second recess toward the upper surface of the light guide member, is emitted from the upper surface of the light guide member, and illuminates illumination areas at positions that are point-symmetrical, with respect to a point above the substrate, to the mounting areas where the light-emitting elements are disposed. | 2021-07-01 |
20210199876 | LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device includes a cover bottom including a first bottom surface in a polygonal shape, a first side formed upward from each edge of the first bottom surface, and a first hole formed at the bottom surface, the first side, or the edge; an LED FPCB disposed at an inner surface of the first side; multiple LEDs mounted on the LED FPCB; a reflective plate provided with a second hole formed at a position corresponding to the first hole, the reflective plate being disposed on an upper surface of the first bottom surface; and a cable FPCB provided with a first end extending from one side of the LED FPCB to transmit power or a driving signal from outside, to the LED FPCB, and provided with a second end penetrating through the first hole and the second hole and being disposed outside the cover bottom. | 2021-07-01 |
20210199877 | LIGHT GUIDE PLATE, OPTICAL STRUCTURE AND ASSOCIATED ELECTRONIC DEVICE - A light guide plate can include: a first end surface coupled to a reflection surface and a second end surface; where an incident light entering the light guide plate through the first end surface is reflected by the reflection surface and then output from the second end surface; and a diffusion structure configured to increase a transmission path of the incident light in the light guide plate. | 2021-07-01 |
20210199878 | DISPLAY APPARATUS AND BACKLIGHT UNIT THEREOF - A display apparatus including a frame, a plurality of LEDs regularly arranged on the frame, an optical part disposed on the LEDs and including a display panel and at least one of a phosphor sheet and an optical sheet, and a light guide plate disposed between the frame and the optical part to cover the LEDs, in which the LEDs are arranged in a matrix to be separated from each other at a constant interval, each of the LEDs includes a light emitting diode chip and a reflector disposed on an upper surface of the light emitting diode chip and contacting the upper surface of the light emitting diode chip, the reflector being configured to reflect at least part of light emitted from the light emitting diode chip. | 2021-07-01 |
20210199879 | Optical stack for imaging directional backlights - An imaging directional backlight apparatus including a waveguide, a light source array, for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Retarder stack arrangements are provided to reduce the display visibility to snoopers located in polar viewing regions of the display while achieving minimal reduction of head-on luminance. Further visibility of light reflections from automotive windscreens may be reduced. | 2021-07-01 |
20210199880 | ILLUMINATION DEVICE - An illumination device is disclosed that may constitute a partition wall or the like having an impact in a bright and brilliant space. An illumination device according to an embodiment may include: a plurality of light guide plate units each including a light guide plate and an LED substrate; and a base to which the plurality of light guide plate units are attached so as to be laid over the base. The attachment surface of the base is divided into sections for attaching the light guide plate units so as to lay the light guide plate units over the base and each section is provided with an IC board for driving the corresponding LED substrate and snap-fit engagement portions for fixing the light guide plate unit to the base. | 2021-07-01 |
20210199881 | Thermally Controlled Illumination Devices - An illumination element has a light input section, a light transmitting section, and a light output section. The light input section is optically coupled to a proximal section of the light transmitting section and inputs light into the illumination element. The light transmitting section transmits the light by total internal reflection or by other transmission means. The light output section is adjacent a distal section of the light transmitting section which has a light extraction area from which the light exits with an energy density. The light extraction area comprises a bore extending at least partially inward into a distal end of the light output section. A plurality of optical structures is disposed on an inner wall of the bore. The optical structures are configured to extract light from the light output section and direct it toward the surgical field. | 2021-07-01 |
20210199882 | BACKLIGHT MODULE AND DISPLAY PANEL - The present disclosure relates to the field of display technology and, in particular, to a backlight module and a display panel. The backlight module may include a backplane, an optical film, and a light emitting plate. The backplane includes a bottom plate, a first side plate, and a second side plate, where the first side plate and the second side plate are arranged at two opposite sides of the bottom plate in a first direction, and both have support parts protruding toward an inner side of the back board. The optical film is arranged on a side of the support part away from the bottom plate, and has two opposite ends supported on the support parts. The light emitting part is arranged on the bottom plate and positioned at a side of the support part facing the bottom plate, and a light emitting direction of the light emitting part is toward the optical film. | 2021-07-01 |
20210199883 | COATED OPTICAL FIBER AND OPTICAL FIBER CABLE - Provided is a coated optical fiber and an optical fiber cable capable of suppressing transmission loss (microbend loss) even in an optical fiber having high microbend sensitivity. | 2021-07-01 |
20210199884 | REDUNDANT CORE IN MULTICORE OPTICAL FIBER FOR SAFETY - An optical fiber includes multiple optical cores configured in the fiber including a set of primary cores and an auxiliary core. An interferometric measurement system uses measurements from the multiple primary cores to predict a response from the auxiliary core. The predicted auxiliary core response is compared with the actual auxiliary core response to determine if they differ by more than a predetermined amount, in which case the measurements from the multiple primary cores may be deemed unreliable. | 2021-07-01 |
20210199885 | RADIATION SOURCE AND A METHOD FOR USE IN METROLOGY APPLICATIONS - A system and method for providing a radiation source. In one arrangement, the radiation source includes an optical fiber that is hollow, and has an axial direction, a gas that fills the hollow of the optical fiber, and a plurality of temperature setting devices disposed at respective positions along the axial direction of the optical fiber, wherein the temperature setting devices are configured to control the temperature of the gas to locally control the density of the gas. | 2021-07-01 |
20210199886 | OPTICAL FIBER - An optical fiber includes a core and a cladding. The core contains silica glass and includes a central portion (part having a diameter of 0.5 μm or more and 4 μm or less). The central portion has the central axis of the optical fiber. The cladding contains silica glass and surrounds the core. The core contains chlorine. A chlorine concentration averaged in the entire core is 10,000 ppm or more and 50,000 ppm or less. The chlorine concentration averaged in the entire core minus a chlorine concentration averaged in the central portion is 4,500 ppm or more and 13,500 ppm or less. | 2021-07-01 |
20210199887 | POLARIZERS WITH AN ABSORBER - Structures for a polarizer and methods of fabricating a structure for a polarizer. A first waveguide core includes a section and a taper connected to the section. A second waveguide core is laterally positioned adjacent to the taper of the first waveguide core. An absorber is connected to the section of the first waveguide core. The absorber is composed of germanium. | 2021-07-01 |
20210199888 | Photodetector - A photodetector is realized which does not need an additional circuit for an inspection and may perform a characteristic evaluation inspection of optical input and electrical output such as optical sensitivity and OE characteristics of a photodetector alone with respect to wavelength and temperature dependent characteristics. A photodetector is provided in which light absorption layers are formed on a semiconductor substrate, the photodetector detects signal light incident on the light absorption layers from a direction in a substrate surface of the semiconductor substrate, and the light absorption layers have a portion not covered by an electrode for photocurrent detection connected with the light absorption layers in a case where the substrate surface of the semiconductor substrate is seen from a direction from an outside of the substrate surface. | 2021-07-01 |
20210199889 | METHODS OF FORMING PHOTONIC DEVICES - A method includes: forming a first plurality of tiers that each comprises first and second dummy layers over a substrate, wherein within each tier, the second dummy layer is disposed above the first dummy layer; forming a second plurality of recessed regions in the first plurality of tiers, wherein at least one subgroup of the second plurality of recessed regions extend through respective different numbers of the second dummy layers; and performing an etching operation to concurrently forming a third plurality of trenches with respective different depths in the substrate through the at least one subgroup of the second plurality of recessed regions. | 2021-07-01 |
20210199890 | FIBER OPTIC CONNECTOR - A fixture for retaining an optical connector holder and optical fibers for splicing in an optical fiber stripping machine is disclosed. The fixture enables for two optical fibers of the connector to be appropriately aligned such that they can be simultaneously stripped in a standard optical fiber stripping machine. In one example, the fixture includes a main body extending between a first end and a second, a cavity defined within the main body the cavity, the cavity being for receiving an optical cable holder of an optical fiber connector, a first fiber retention structure for holding the optical fibers extending from the connector holder, and a second fiber retention structure for holding the optical fibers. | 2021-07-01 |
20210199891 | OPTICAL DEVICE AND LASER APPARATUS - An optical device includes: first optical fibers, a second optical fiber, a fiber connection portion, a fiber support portion; and a fixation resin that fixes the first optical fibers to the fiber support portion. The first optical fibers form a tapered portion including a taper initiation portion and a taper body reduced in diameter toward the fiber connection portion. The core of the second optical fiber has a core exposure area exposed outside of the first optical fibers. At least a portion of a periphery of the fixation resin is disposed closer to an optical axis of the second optical fiber than to a first reference line that is an extension of a line that passes through a closest point of the taper initiation portion to the optical axis on a plane perpendicular to the optical axis. | 2021-07-01 |
20210199892 | INTEGRATED OPTICAL SWITCHES USING DEUTERATED LIQUIDS FOR INCREASED BANDWIDTH - An electro-wetting optical device includes an optical switch that uses a coupling region proximate a waveguide in a substrate. The device uses two optical liquids, providing first and second refractive indices respectively. At least one of the optical liquids is deuterated. Under a first switching configuration the first optical liquid is positioned at the coupling region so as to provide a first effective refractive index for light propagating along the first waveguide and under a second switching configuration the second optical liquid is positioned at the coupling region so as to provide a second effective refractive index for light propagating along the first waveguide. | 2021-07-01 |
20210199893 | METHOD FOR MANUFACTURING OPTICAL COMPONENT AND PRESSING JIG - A method according to one embodiment includes steps of: preparing an optical module and optical fiber holding member; attaching a clip member to a receptacle of the optical module and the optical fiber holding member; and pressing the receptacle of the optical module and the optical fiber holding member from below and pressing the clip member from above. The pressing step has pressing the first flat surface of the receptacle and the second flat surface of the optical fiber holding member at the third flat surface of the clip member, and which performed until the first flat surface of the receptacle and the second flat surface of the optical fiber holding member establish parallelism with the third flat surface of the clip member by using a jig that changes the parallelism of the pressing surface. | 2021-07-01 |
20210199894 | APPARATUS, SYSTEM AND METHOD FOR CONNECTOR AND PORT MANAGEMENT - The disclosed apparatus, system and method of the present invention provides improved solutions related to the interconnection of communication cable connectors and communication port receptacles, and more generally, for improved handling and management of communication cable connectors and communication ports. Certain example embodiments suitable for an optical communication application, for example, provide for improved laser safety at the location of an optical communication connector and/or an optical communication port. Moreover, certain example embodiments of the present invention additionally or alternatively otherwise provide for improved communication port, module, device, and/or system handling, administration and/or other management. | 2021-07-01 |
20210199895 | OPTICAL CONNECTOR SYSTEM - An optical connector system includes: a first optical connector including a first ferrule and a first housing that houses the first ferrule; and a second optical connector including a second ferrule that connects to the first ferrule, a second inner housing that houses the second ferrule, and a second outer housing that houses the second inner housing. The second optical connector detachably connects to the first optical connector. The first housing includes a latch receptacle and a latch releaser. The second inner housing includes a front latch that latches to the latch receptacle and a rear latch that latches to the second outer housing. | 2021-07-01 |
20210199896 | OPTICAL ELEMENT HOLDER WITH A PROTRUDING FEATURE TO HOLD A CHAMFERED OPTICAL ELEMENT - An optical device may comprise an optical element holder that holds an optical element in an internal portion of the optical element holder, wherein the optical element holder includes a protruding feature with a contact portion that holds the optical element in the internal portion of the optical element holder. The optical device may additionally comprise the optical element, wherein an edge of the optical element includes a chamfered portion that contacts the contact portion of the protruding feature of the optical element holder to allow the protruding feature of the optical element holder to hold the optical element in the internal portion of the optical element holder. | 2021-07-01 |
20210199897 | EXPANDED BEAM CONNECTOR - An expanded beam connector has a MOST ferrule; a fiber to be retained within the MOST ferrule; and, a collimating lens abutting the fiber for expanding the optical beam of the fiber wherein the lens and fiber are in alignment to a common optic axis. In one embodiment, the collimating lens can have a conical cutout configured to aid in aligning the fiber to the common optic axis. In another embodiment, the collimating lens can have a semi-cylindrical tab protruding from the rear with a V-groove configured to interact with a flexible feature on the interior of the ferrule to align the fiber to the common optic axis. | 2021-07-01 |
20210199898 | GROUNDABLE FIBER CONNECTOR - An optical fiber connector is provided. The optical fiber connector comprises a plastic housing. The optical fiber connector comprises a metallic clip. The plastic housing is adapted to connect the optical fiber connector to an optical fiber adapter. The metallic clip is arranged at a side of the plastic housing. The metallic clip extends from the plastic housing. The metallic clip is adapted to press against a metallic part of the optical fiber adapter. | 2021-07-01 |
20210199899 | Ingress Protected Connector with an Unitary Orientation Feature - Ingress protected connectors used outdoors are mated with and within an adapter. To aid in mating an orientation finger is provided as part of the proximal end of the ingress protected connector. Within the ingress protected connector is a fiber optic connector being protected from the environment. | 2021-07-01 |
20210199900 | Small Form Factor Multi-Fiber Connector - A fiber optic connector has a housing and a ferrule contained within the housing. The ferrule has a base portion, an endface portion protruding from the base, and at least one alignment tower extending from the base portion parallel to the endface portion. In one embodiment, the ferrule can have one alignment tower on each side of the endface portion. In one embodiment. The alignment towers extend the same distance from the base portion as the endface portion. In another embodiment, the alignment towers may be connected to the endface portion via webbing. | 2021-07-01 |
20210199901 | OPTICAL CONNECTORS WITH REVERSIBLE POLARITY AND METHOD OF USE - Reversible polarity fiber optic connectors are provided having housings at least partially surrounding first and second optical ferrules with walls above and beneath the ferrules. Positioning removable elements such as latches, removable arms, or push-pull tabs on the first wall above the ferrules yields fiber optic connectors with a first polarity type, and positioning the removable elements on the second wall beneath the ferrules yields fiber optic connectors with a second, opposite polarity type. Various engagement mechanisms are provided on either the connector housing walls or on the removable elements, or both, to assist in affixing the removable element to the connector housing. | 2021-07-01 |
20210199902 | SYSTEMS AND METHODS FOR LASER SYSTEMS WITH VARIABLE BEAM PARAMETER PRODUCT - In various embodiments, a beam-parameter adjustment system and focusing system alters a spatial power distribution of a radiation beams before the beam is coupled into an optical fiber or delivered to a workpiece. | 2021-07-01 |
20210199903 | OPTICAL COMMUNICATION MODULE OF REDUCED COMPLEXITY AND COST - A simple optical communication module with reduced number of components includes a circuit board; an optical-signal transmitter disposed on the circuit board, and having a light-emitting surface; an optical fiber having an incident end and a vertical segment connected to the incident end, wherein the incident end is adjacent to the light-emitting area of the light-emitting surface, and the vertical segment extends perpendicular to the light-emitting surface. A holding frame is disposed on the circuit board, and holds the vertical segment. | 2021-07-01 |
20210199904 | Optical Module and Assembly Method Thereof - An optical module as disclosed includes an aligning bridge, an optical de-multiplexer and a lens array. The aligning bridge has a first section and a second section opposite to the first section. The optical de-multiplexer is on the first section of the aligning bridge. The optical de-multiplexer comprises a plurality of filters configured to transmit a plurality of light beams of different wavelengths. The lens array is on the second section of the aligning bridge. The lens array comprises a plurality of input ports aligned with the filters and configured to receive the light beams from the filters. | 2021-07-01 |
20210199905 | Optical signal transmission device - The present invention provides an optical signal transmission device, including a lens base, a cover plate, an optical fiber plug and a printed circuit board (PCB), wherein an insert block is formed at a front end of the optical fiber plug, and a plurality of optical fibers penetrate the optical fiber plug; a socket is provided at a rear end of the lens base, the insert block is inserted into the socket and the two closely cooperate with each other; a recess is provided in the top of the lens base, and a reflective bevel is formed on the inner wall of the recess; and the cover plate is stacked on the top of the lens base, downwardly-extending fastening plates are respectively formed at peripheral edges of the cover plate. | 2021-07-01 |
20210199906 | Electrical Power and Optical Distribution Box for Fiber to the Antenna Systems - Distribution box for Fiber To The Antenna (FTTA) systems comprising: an upper compartment and a lower compartment separated one from one another, the lower compartment being provided with a sealable entry point for a pre-terminated hybrid cable comprising at least one electric conductor and at least one optical fiber, a plurality of electrical connectors for electrical power conductors and at least one optical connector for optical fiber being arranged within the lower compartment, the upper compartment comprising one or more connection points for hybrid jumper cables. | 2021-07-01 |
20210199907 | Fiber Management System for Managing and Distributing Optical Fibers - A fiber management system for managing and distributing optical fibers comprises at least one supporting element, at least one splice tray pivotally mounted on the supporting element around a pivot axis (X), distributing elements for routing incoming fiber modules toward the splice tray and for routing outgoing fiber modules away from the splice tray, the distributing elements being oriented along respective routing directions transverse to the pivot axis. At least one guiding channel is provided on the supporting element for guiding at least the incoming fiber modules toward the splice tray along a direction substantially parallel to the pivot axis (X), and a retention block acts into the guiding channel between a plurality of retention positions wherein each retention position of the retention block defines a respective passageway for the incoming fiber modules. | 2021-07-01 |
20210199908 | DROP WIRE CLAMP AND METHOD OF USE - A drop wire clamp to secure a cable that comprise an outer shell and an inner wedge. The outer shell having a first wall, a second wall, and a shell base to couple the first wall with the second wall. The shell base further defines a shell channel. The inner wedge is receivable in the outer shell and movable between a first position and a second position within the outer shell. The inner wedge has a wedge base defining a wedge channel, wherein the shell channel aligns with the wedge channel in the second position to form a containment structure to house a cable therein. The containment structure includes a length dimension and a width dimension, wherein the length dimension is greater than the width dimension and the length dimension extends in a same direction as the first wall and second wall of the outer shell. | 2021-07-01 |
20210199909 | OPTICAL FIBRE CABLE ELEMENT AND OPTICAL FIBER CABLE CONSTRUCTION COMPRISING THE SAME - The invention relates to an optical fiber cable element comprising a buffer tube and a number of optical fibers enveloped by the buffer tube, wherein the buffer tube comprises a semi-crystalline semi-aromatic polyamide comprising repeat units derived from monomers essentially consisting of dicarboxylic acid and diamine, comprising at least 55 mole % aromatic dicarboxylic acid, relative to the total molar amount of dicarboxylic acid, and having a glass transition temperature (Tg) of at least 100° C. The invention further relates to a process for producing the optical fiber cable element, and to an optical fiber cable construction, comprising a jacket and one or more optical fiber cable elements. | 2021-07-01 |
20210199910 | Method for the continuous production of optical fibre waveguide sensors mounted in a perforated metal hollow profile | 2021-07-01 |
20210199911 | LENS APPARATUS, IMAGE PICKUP APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - A lens apparatus includes an optical member, a driving device configured to drive the optical member, a detector configured to detect a state relating to the driving, and a processor configured to generate a control signal for the driving device based on first information about the detected state. The processor includes a machine learning model configured to generate an output relating to the control signal based on the first information and second information about the lens apparatus, the second information being different from the first information. | 2021-07-01 |
20210199912 | OPTICAL SYSTEM - An optical system is provided. The optical system includes a first movable portion, a fixed portion, a first driving assembly, and a first sensing assembly. The first movable portion is used for connecting to an optical assembly having a main axis. The first movable portion is movable relative to the fixed portion. The first driving assembly is used for driving the first movable portion to move relative to the fixed portion. The first sensing assembly is used for sensing the movement of the first movable portion relative to the fixed portion. | 2021-07-01 |
20210199913 | Interlock Arrangement For Attaching A Lens Barrel to A Lens Carrier - Various embodiments include an interlock arrangement that may be used to attach a lens barrel to a lens carrier of a camera. In some embodiments, the interlock arrangement may restrict movement of the lens barrel relative to the lens carrier along at least an optical axis. In various examples, the interlock arrangement may include one or more grooves and one or more protrusions. For instance, a groove may be defined by the lens barrel or the lens carrier, and a protrusion may extend from the lens barrel or the lens carrier to at least partially into the groove. In some cases, the interlock arrangement may include an adhesive that at least partially fills gaps within the interlock arrangement between the lens barrel and the lens carrier. According to some embodiments, the interlock arrangement may include one or more recesses that provide inlets for the adhesive to be introduced to the gaps within the interlock arrangement. | 2021-07-01 |
20210199914 | LENS DRIVING DEVICE, CAMERA AND PORTABLE ELECTRONIC APPARATUS - The present disclosure provides a small and well-focused lens driving device, a camera including the lens driving device, and a portable electronic apparatus. The lens driving device includes a fixing base, a cover, a lens holder, a support frame, a support member, and a shape memory alloy portion. In the lens driving device, a receiving space is defined by the fixing base and the cover. The lens holder configured to receive a lens, as well as the support frame, the support member, and the shape memory alloy portion that cause the lens holder to move freely in an optical axis direction are provided in the receiving space. The shape memory alloy portion has a shape memory alloy and a crimping lug, and the shape memory alloy portion is provided on the fixing base and the support frame to cause the lens holder to move freely in the optical axis direction. | 2021-07-01 |
20210199915 | CAMERA MODULE - A camera module includes a lens module accommodating one or more lenses and configured to move in an interior of a housing in an optical axis direction of the one or more lenses, a first support member connected to the lens module and extending toward an upper inner surface of the housing from the lens module in a first direction intersecting the optical axis, and a second support member connected to the first support member and extending toward a lower inner surface of the housing in a second direction intersecting with the optical axis. | 2021-07-01 |
20210199916 | LENS APPARATUS AND IMAGE PICKUP APPARATUS - A lens apparatus includes an optical element, first and second fixed barrels coupled to each other, a conversion mechanism from a rotary motion to a linear motion, fitted to the first fixed barrel and configured to be rotated about a first axis as an axis of the first fixed barrel to drive the optical element along the first axis, an operation member fitted to an outer periphery of the second fixed barrel and configured to be operated to be rotated about a second axis as an axis of the second fixed barrel, and a transmission ring, supported by the conversion mechanism to be translatable in a first direction orthogonal to the first axis and by the operation member to be translatable in a second direction and orthogonal to the second axis, configured to transmit rotation from the operation member to the conversion mechanism. | 2021-07-01 |
20210199917 | LENS DRIVING DEVICE, CAMERA MODULE, AND PORTABLE DEVICE - The present embodiment of the present invention relates to a lens driving device, comprising: a housing; a bobbin disposed in the housing; a first coil disposed on the bobbin; a magnet which is disposed on the housing and faces the first coil; a base disposed under the housing; a substrate which is disposed on an upper surface of the base and comprises a circuit member including a second coil facing the magnet; an upper elastic member disposed on an upper portion of the bobbin and coupled to the bobbin and the housing; a support member coupled to the upper elastic member; and a terminal member elastically connecting the support member with the substrate, wherein the terminal member comprises; a first connector coupled to the substrate; and a second connector coupled to the support member; and wherein the second connector is disposed at a position lower than the first connector. | 2021-07-01 |
20210199918 | OPTICAL PATH CONVERSION MODULE, AND CAMERA MODULE AND PORTABLE TERMINAL INCLUDING THE SAME - A camera module includes a housing; a lens module accommodated in the housing and configured to adjust focus or adjust focus magnification; and an optical path conversion module accommodated in the housing and configured to convert an optical path. The optical path conversion module includes a prism; a first movable body accommodating the prism; a fixed body accommodating the first movable body; a first driving unit enabling first rotational driving of the first movable body, relative to the fixed body; and a second driving unit enabling second rotational driving of the first movable body, relative to the fixed body. | 2021-07-01 |
20210199919 | CONTROL DEVICE, PHOTOGRAPHING DEVICE, CONTROL METHOD, AND PROGRAM - A control device includes a processor and a storage device storing instructions that, when executed by the processor, cause the processor to determine a first rotation amount of a motor, configured to control a lens, from a time when the motor starts rotating to a time when a speed of the lens reaches a predetermined speed, in response to the speed of the lens reaching the predetermined speed, determine a second rotation amount of the motor from a time when the motor is instructed to stop rotating to a time when the lens stops, and control the motor so that the lens moves to a target position when the lens moves to a reference position with a distance to the target position of the lens greater than a distance corresponding to a third rotation amount, which is a sum of the first rotation amount and the second rotation amount. | 2021-07-01 |
20210199920 | ENDOSCOPE OPTICAL SYSTEM, ENDOSCOPE, IMAGE PICKUP UNIT AND ENDOSCOPE INSERTION DEVICE - An endoscope optical system includes, in order from an object side: a fixed negative first lens group; a movable positive second lens group; a fixed aperture stop; and a fixed positive third lens group, the endoscope optical system being capable of switching between a normal observation state and a magnified observation state by moving the second lens group along an optical axis, in which the third lens group includes, in order from the object side: a cemented lens consisted of three lenses; and a cemented lens consisted of two lenses. In the cemented lens consisted of three lenses, three lenses of a positive lens, a negative lens, and a positive lens are cemented. In the cemented lens consisted of two lenses, two lenses of a positive lens and a negative lens are cemented. The following conditional expressions (1) and (2) are satisfied: 1.70<(nd3G1+nd3G2+nd3G3)/3<2.0 (1); and 1.72<(nd3G4+nd3G5)/2<2.0 (2). | 2021-07-01 |
20210199921 | CAMERA LENS ASSEMBLY - The present disclosure discloses a camera lens assembly, the camera lens assembly having a total effective focal length f and an entrance pupil diameter EPD, and along an optical axis from an object side to an image side sequentially including a first lens, a second lens, a third lens and a fourth lens, wherein the first lens and the fourth lens have positive refractive powers, an image-side surface of the first lens is a concave surface, and an object-side surface of the fourth lens is a convex surface. In addition, the total effective focal length f and the entrance pupil diameter EPD satisfy: f/EPD≤2. | 2021-07-01 |
20210199922 | OPTICAL IMAGING LENS - An optical imaging lens from an object side to an image side includes a first lens element to a sixth lens element. The first lens element has negative refracting power, a periphery region of the object-side surface of the first lens element is convex, the second lens element has positive refracting power, an optical-axis region of the image-side surface of the second lens element is convex, an optical-axis region of the object-side surface of the third lens element is convex, an optical-axis region of the image-side surface of the third lens element is convex. Only the above-mentioned six lens elements have refracting power. AAGF is a distance from the object-side surface of the first lens element to the object-side surface of the second lens element along the optical axis and T6 is a thickness of the sixth lens element along the optical axis to satisfy AAGF/T6≤2.000. | 2021-07-01 |
20210199923 | OPTICAL IMAGING LENS - The present invention provides an optical imaging lens. The optical imaging lens comprises six lens elements positioned in an order from an object side to an image side. Through controlling convex or concave shape of surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may present a great field of view with smaller surface area of the front side of the optical imaging lens. | 2021-07-01 |
20210199924 | OPTICAL IMAGING LENS - The present invention provides an optical imaging lens. The optical imaging lens comprises six lens elements positioned in an order from an object side to an image side. Through controlling convex or concave shape of surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens may present a great angle of view with smaller surface area of the front side of the optical imaging lens. | 2021-07-01 |
20210199925 | LENS ASSEMBLY - Disclosed are lens assembly including a lens having a length in a first direction, perpendicular to an optical axis, shorter than a length in a second direction, perpendicular to both the optical axis and the first direction, on a plane perpendicular to the optical axis, and a lens barrel accommodating the lens, and having an opening in a side of the lens barrel, wherein a side of the lens in the first direction is exposed through the opening. | 2021-07-01 |
20210199926 | OPTICAL IMAGING LENS ASSEMBLY - The present disclosure discloses an optical imaging lens assembly, sequentially from an object side to an image side along an optical axis, including: a first lens having refractive power, an object-side surface thereof is concave, and an image-side surface thereof is convex; a second lens having refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having negative refractive power, and an object-side surface thereof is concave; a sixth lens having positive refractive power; and a seventh lens having refractive power. A total effective focal length f of the optical imaging lens assembly and an effective focal length f3 of the third lens may satisfy f3/f>1.49. | 2021-07-01 |
20210199927 | OPTICAL IMAGING SYSTEM - An optical imaging system includes a first lens having a positive refractive power, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, wherein an object-side surface of the fifth lens is concave; and a sixth lens having a negative refractive power, wherein the sixth lens has an inflection point formed on an image-side surface thereof, wherein the first to sixth lenses are sequentially disposed from an object side toward an imaging plane. | 2021-07-01 |
20210199928 | OPTICAL LENS, CAMERA MODULE AND FRONT CAMERA - Provided are an optical lens, a camera module and a front camera. From an object side to an Imaging plane, the optical lens sequentially includes: a stop; a first lens having a positive focal power and a concave object side surface; a second lens having a negative focal power and a concave image side surface; a third lens having a positive focal power, a convex object side surface and a concave image side surface; a fourth lens having a positive focal power, a concave object side surface and a convex image side surface; a fifth lens having a negative focal power. An entrance pupil diameter EPD of the optical lens is smaller than 1.58 mm, and the maximum distance between the projection of an entrance pupil and the projection of the object side surface of the first lens on the optical axis is greater than 0.17 mm. | 2021-07-01 |
20210199929 | OPTICAL SYSTEM - There is provided an optical system including: a first lens having positive refractive power and having a convex object-side surface; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having refractive power; and a seventh lens having negative refractive power and having a concave image-side surface, wherein the first to seventh lenses are sequentially disposed from an object side, whereby an aberration improvement effect may be increased and a high degree of resolution may be realized. | 2021-07-01 |
20210199930 | Camera Module, Camera Assembly, and Electronic Device - A camera module, a camera assembly, and an electronic device are disclosed, which relate to the field of smart devices. The camera module includes a fixing member, a lens assembly, an image sensor, and a focusing assembly. The image sensor is configured to receive light transmitting through the lens assembly. In the focusing assembly, a first light-redirecting member is configured to redirect the light transmitting from the lens assembly to the image sensor; a second light-redirecting member is configured to redirect the light redirected by the first light-redirecting member, and configured to be movable relative to the fixing member to change a transmission distance of the light from the lens assembly to the image sensor. | 2021-07-01 |
20210199931 | LENS MODULE AND CAMERA - A lens module arranged on a light-sensing surface of a sensor module is disclosed. The lens module includes at least one lens stacked along an optical axis and the lens includes a lens fixing element and a plurality of lens elements. The lens fixing element is provided with a plurality of through holes each receiving a corresponding one of the lens elements, and an edge of the lens elements is secured to the lens fixing element. According to the present invention, each of the through holes has the same shape as a corresponding one of photosensitive regions of the light-sensing surface, as well as a side wall spaced from the photosensitive region in the direction perpendicular to the optical axis by a relatively uniform gap. In the present invention, there is also provided a camera comprising such a lens module. | 2021-07-01 |
20210199932 | PROJECTION LENS MODULE AND PROJECTOR - A projection lens module and a projector are provided. The projector includes an optical engine and a projection lens module. The optical engine includes a casing, a light source, a light valve, and a prism, where the light source, the light valve, and the prism are disposed in the casing. The light source emits an illumination beam to the light valve. The light valve modulates the illumination beam to generate an image beam and projects the image beam to the projection lens module. The prism is disposed on an optical path of the image beam. The projection lens module is connected to the casing of the optical engine and is configured to project the image beam. The projection lens module includes a projection lens and a smooth picture actuator, where the smooth picture actuator is fixed to the projection lens and is located outside the optical engine. | 2021-07-01 |