35results about "Optics" patented technology

An ultraviolet ink composition includes from 25 wt % to 50 wt % of a pigment dispersion, from greater than 0 wt % to 10 wt % of a photoinitiator package; from 10 wt % to 42 wt % of a reactive diluent; from 10 wt % to 20 wt % of a multifunctional monomer; and from 0 wt % to 25 wt % of a difunctional monomer. An ink primer includes from 2 wt % to 10 wt % of an adhesion promoter configured to bond to glass and from 90 wt % to 98 wt % of a solvent configured to promote bonding of the adhesion promoter to the glass. Another ink primer includes from 2 wt % to 10 wt % of an adhesion promoter configured to bond to glass, from greater than 0 wt % to 10 wt % of a photoinitiator package; and from 30 wt % to 45 wt % of a monofunctional monomer.

An optical gate device may have one or more optical cavities. The optical cavity may have an embedded optically-active material providing strong light-matter coupling. A pump input allows application to of a pulsed optical pump beam the optically-active material. The pump beam is absorbed by the optically active material to form an exciton-polariton condensate which emits light. The optical gate device may have an input waveguide to input a seed signal to the optical cavity. The optical gate device may include an output waveguide to output of an optical signal at a wavelength corresponding to a resonant mode of a the cavity. The device may operate in a manner such that, when the pump beam is applied to the pump input, an optical output signal is selectively provided in the output waveguide, via the input of the a seed signal and light emitted by the exciton-polariton condensate.

In a general aspect, a communication system comprises a first station and a second station. Each station includes a transceiver and a control subsystem. The transceiver includes having one or more photonic crystal masers and one or more photonic crystal receivers. The control subsystem includes one or more lasers optically coupled to the one or more photonic crystal masers and the one or more photonic crystal receivers. The control subsystem also includes modulation electronics in communication with the one or more lasers and configured to control one or more properties of a first input optical signal received by each photonic crystal maser. The control subsystem additionally includes demodulation electronics in communication with the one or more lasers and configured to control one or more properties of a second input optical signal received by each photonic crystal receiver.

A dispersion measuring device includes a pulse forming unit, a light detection unit, a control unit, and an arithmetic operation unit. The control unit selectively outputs a first phase pattern and a second phase pattern. The pulse forming unit forms an optical pulse train from initial pulsed light, the optical pulse train including a plurality of optical pulses having a time difference from each other and having different center wavelengths from each other. The light detection unit detects a temporal waveform of the optical pulse train. The arithmetic operation unit estimates a wavelength dispersion amount of a measurement object based on a feature amount of the temporal waveform of the optical pulse train. When the first phase pattern is output, a pulse having a long center wavelength is generated first. When the second phase pattern is output, a pulse having a short center wavelength is generated first.

The present disclosure relates to a mountable camera device, comprising: an image capturing unit for capturing a sequence of images, the image capturing unit comprising at least a lens and an image sensor; a vibration sensor for measuring camera vibrations; an optical image stabilization mechanism for physically compensating for the camera vibrations by physically moving the lens and / or the image sensor; electronic image stabilization circuitry for digitally compensating for the camera vibrations by image processing; and processing circuitry configured to select between the optical image stabilization mechanism and the electronic image stabilization circuitry by comparing the camera vibrations against a predefined stabilization margin and / or based on a location of an object of interest in the sequence of images. The disclosure further relates to a method for controlling a mountable camera device having optical image stabilization capabilities and electronic image stabilization capabilities.

There are provided optical quantum logic gate (OQLG) characterized by 2n∗2n unitary matrix and method of operating thereof. OQLG comprises first optical structure comprising 2n optically-coupled cores with one-to-one correspondence to input binary values specified by the matrix and second optical structure optically connected to the first optical structure and comprising 2n amplifying channels corresponding to the 2n cores. The first optical structure is configured to receive photons in binary fundamental quantum states (FQSs) representing input binary values specified by the matrix and to inject the received photons in the 2n cores, use optical coupling between the cores to mix the injected photons, and output photons into the second optical structure, wherein outputted mixed photons correspond to output binary values specified by the matrix. The second optical structure is configured to amplify, in a controllable manner, photons in the amplifying channels with preserving the FQSs and relative quantities of photons with different FQSs.

The invention discloses a full-function terahertz logic gate based on multi-dimensional regulation and control and a method thereof, and belongs to the technical field of terahertz communication and on-chip signal processing. The logic gate comprises an input coupler, a first waveguide branch, a function realization waveguide section, a second waveguide branch and an output coupler; and the function realization waveguide section comprises a transmission branch capable of being selectively regulated and controlled by laser and a control waveguide section above which a movable phase shift controller is arranged. Different binary input combinations are simulated through laser irradiation, continuous regulation and control of the signal phase between 0 and pi are achieved by adjusting the distance between the phase shift controller and the control waveguide section, and all seven basic logic functions of AND, OR, NOT, NAND, XOR, NOR and XNOR can be dynamically achieved by combining a preset judgment threshold value of the output end. The structure can be cascaded to form a programmable array to realize complex operations such as a half adder, a full adder and the like. The invention has the advantages of simple structure, function integration, dynamic adjustability and compatibility with CMOS (Complementary Metal Oxide Semiconductor) process, and is suitable for terahertz on-chip communication and intelligent computing systems.

There are provided optical quantum logic gate (OQLG) characterized by 2n*2n unitary matrix and method of operating thereof. OQLG comprises first optical structure comprising 2n optically-coupled cores with one-to-one correspondence to input binary values specified by the matrix and second optical structure optically connected to the first optical structure and comprising 2n amplifying channels corresponding to the 2n cores. The first optical structure is configured to receive photons in binary fundamental quantum states (FQSs) representing input binary values specified by the matrix and to inject the received photons in the 2n cores, use optical coupling between the cores to mix the injected photons, and output photons into the second optical structure, wherein outputted mixed photons correspond to output binary values specified by the matrix. The second optical structure is configured to amplify, in a controllable manner, photons in the amplifying channels with preserving the FQSs and relative quantities of photons with different FQSs.

An electronic device according to one embodiment may include: a camera module including a camera; the memory is used for storing instructions; and at least one processor operably connected to the camera module and the memory. The camera module may include: a lens unit including at least one lens; the image sensor is used for converting the received light into an electric signal; and an optical image stabilizer for controlling a position of the lens unit and / or the image sensor based on a movement of the electronic device. The image sensor may include a microlens and a plurality of light receiving elements disposed at positions corresponding to the microlens. The instructions are executed by the at least one processor such that the electronic device may acquire a gain calibration value corresponding to image stabilizer operating information regarding a position of the optical image stabilizer. The instructions are executed by the at least one processor such that the electronic device may obtain image data from the plurality of light receiving elements based on a gain calibration value corresponding to the image stabilizer operation information in accordance with an operation of the optical image stabilizer being controlled based on the image stabilizer operation information by the electronic device. Various other embodiments are possible.

A display device includes: a display panel including a display area and a non-display area surrounding the display area, a window on the display panel, and an adhesive layer disposed on the display panel and including an ionic surfactant. The adhesive layer includes a first surface adjacent to the window, a second surface facing the first surface, and a first portion in which a concentration of the ionic surfactant increases in a direction from the first surface toward the second surface.

A photonic system is described that employs, e.g., a first laser generating a first optical beam at a first wavelength and a second laser generating a second optical beam at a second, different wavelength. The photonic system also includes a resonator, e.g., a whispering gallery mode (WGM) resonator, configured to receive a portion of the first optical beam and a portion of the second optical beam. The first laser is locked to a first mode of the resonator using either self-injection locking (SIL) or Pound-Drever-Hall (PDH) locking. The second laser is also locked to a second mode of the resonator using either SIL or a PDH. The first and second wavelengths (frequencies) may differ from one another by a few gigahertz (GHz) or, e.g., larger than 10 terahertz (THz). The system thus allows diverse wavelengths to be locked to one another.

At least one processor included in an electronic device may: execute a camera; detect a first object within a field of view (FOV) of the camera; display a first preview image based on a first region of interest (ROI) including the first object on a display at a first magnification; additionally detect a second object within the FOV while the first preview image is displayed on the display; and display a second preview image based on a second ROI including the first object and the second object on the display at a second magnification different from the first magnification.

A composition can include a copper containing nanocrystal.

A tunable, modulated high-frequency light beam from a single source of coherent light. An ultra-short pulse of coherent light, having an optical spectrum, is derived from a single source. Spreading the optical spectrum of the ultra-short pulse of coherent light forms a spectrally spread optical pulse which is thereafter split into two or more spectrally spread optical pulses. At least one of the two or more spectrally spread optical pulses is delayed, such that, upon recombining the two or more spectrally spread optical pulses a tunable, modulated spectrally spread optical pulse is formed.

The invention discloses installable camera device image stabilization. The present disclosure relates to a mountable camera device comprising: an image capture unit for capturing a sequence of images, the image capture unit comprising at least a lens and an image sensor; the vibration sensor is used for measuring vibration of the camera; an optical image stabilization means for physically compensating for camera vibrations by physically moving the lens and / or the image sensor; an electronic image stabilization circuit for digitally compensating for camera vibrations by image processing; and processing circuitry configured to select between the optical image stabilization machine and the electronic image stabilization circuitry by comparing the camera vibrations to a predefined stabilization margin and / or based on the location of the object of interest in the sequence of images. The present disclosure further relates to a method for controlling a mountable camera device having optical image stabilization capability and electronic image stabilization capability.

Embodiments includes a stationary unit including a second circuit board and a coil disposed on the second circuit board, a moving unit including a holder, a magnet coupled to the holder, a first circuit board disposed on the holder, and an image sensor conductively connected to the first circuit board, and a support board disposed between the first circuit board and the second circuit board such that the moving unit is movable relative to the stationary unit, wherein the magnet is disposed between the first circuit board and the second circuit board.

A family of electrochromic compounds of formula (I) comprising a thiophene, selenophene or furan ring is herein disclosed, as well as electrochromic compositions and devices comprising at least one of said electrochromic compounds of formula (I).

This disclosure provides systems, methods, and devices for image signal processing that support improved image capture during variable optical zoom (VOZ) system zoom level transitions. In a first aspect, a method of image processing includes determining a command to transition from a first zoom level at which a lens is in a first position to a second zoom level at which the lens is in a second position. The VOZ system may be controlled to move the lens from the first position to a third position between the first position and the second position. A first image frame captured with the lens in the third position may be received, and a first digital zoom may be applied to the first image according to the second zoom level. Other aspects and features are also claimed and described.

To provide an optical quantum logic gate (OQLG) and a method of operating it.SOLUTION: An OQLG comprises first optical structure including 2n optically-coupled cores with one-to-one correspondence to input binary values specified by the matrix and second optical structure optically connected to the first optical structure and including 2n amplifying channels corresponding to the 2n cores. The first optical structure receives photons in binary fundamental quantum states representing input binary values specified by the matrix and injects the received photons in the 2n cores 211 and 212, uses optical coupling between the cores to mix the injected photons, and outputs the photons to the second optical structure. The output mixed photons correspond to output binary values specified by the matrix. The second optical structure amplifies photons in the amplifying channels in a controllable manner while preserving the binary fundamental quantum states and relative quantities of photons having different binary fundamental quantum states.SELECTED DRAWING: Figure 2

The disclosure provides a display panel including a substrate, a first electrode layer, a second electrode layer, and a spacer. The first electrode layer is located on the active layer, and the first electrode layer includes a first gate and a second gate. The second electrode layer is located on the substrate. The second electrode layer has first portion overlapping the first gate, a second portion overlapping the second gate, and a first necking portion connecting the first portion of the second electrode layer and the second portion of the second electrode layer. The spacer overlaps the first necking portion of the second electrode layer.

An electronic device according to one embodiment may comprise: a camera module including a camera; a memory for storing instruction; and at least one processor operatively connected to the camera module and the memory. The camera module may comprise: a lens unit including at least one lens; an image sensor for converting received light into an electrical signal; and an optical image stabilizer for controlling the position of the lens unit and / or the image sensor on the basis of the movement of the electronic device. The image senor may include a micro lens and a plurality of light-receiving elements disposed at positions corresponding to the micro lens. The instructions, being executed by the at least one processor, may cause the electronic device to acquire a gain calibration value corresponding to image stabilizer operation information about the position of the optical image stabilizer. The instructions, being executed by the at least one processor, may cause the electronic device to, according to the electronic device controlling the operation of the optical image stabilizer on the basis of the image stabilizer operation information, obtain image data from the plurality of light-receiving elements on the basis of the gain calibration value corresponding to the image stabilizer operation information. Various other embodiments are possible.

The disclosure provides a display panel including a substrate, a first electrode layer, a second electrode layer, and a spacer. The first electrode layer is located on the active layer, and the first electrode layer includes a first gate and a second gate. The second electrode layer is located on the substrate. The second electrode layer has first portion overlapping the first gate, a second portion overlapping the second gate, and a first necking portion connecting the first portion of the second electrode layer and the second portion of the second electrode layer. The spacer overlaps the first necking portion of the second electrode layer.

A method and system, the method comprising: obtaining a plurality of coherent subcarriers, each of the plurality of coherent subcarriers having a subcarrier frequency out of a collection of subcarrier frequencies, wherein the collection of subcarrier frequencies are equally spaced; filtering a first group of subcarriers having consecutive frequencies of the collection of subcarrier frequencies, thereby obtaining a first sequence of equidistant pulses in time domain; and filtering a second group of subcarriers having consecutive frequencies of the collection of carrier frequencies, thereby obtaining a second sequence of equidistant pulses in the time domain, wherein the second group is different from the first group, thereby obtaining at least two sequences of equidistant time domain pulses, the at least two sequences of equidistant time domain pulses having different wavelengths.

Self-isolated lasers are provided by using a chiral metasurface in combination with a spin-selective gain medium and symmetry-breaking (i.e., not linearly polarized) optical pumping. In preferred embodiments the chiral metasurface is resonant, thereby proving an integrated optical resonator to support lasing. The chiral metasurface can be the spin-selective gain medium, or it can be formed on a surface of the spin-selective gain medium, or it can be distinct from the spin-selective gain medium.

A connection panel unit and a display device including the same are disclosed. The connection panel unit includes a connection panel having a chip coupling region and a link region, a pad coupled to the chip coupling region, and a display driver chip coupled to the pad. The chip coupling region includes an input region and an output region spaced apart from each other. The pads include input pads coupled to the input region and output pads coupled to the output region. The ratio of pressure applied to the output pads to the pressure applied to the input pads may be between 0.9 and 1.1. The present disclosure can form an improved contact between a display driver chip and a connection panel.

A system includes a spatial light modulator (SLM) and a circuit including a processor. The SLM includes pixel elements. The circuit is configured to convert M primary video signals to N multi-primary video signals. The circuit is configured to use a first multi-primary video signal to derive a first additive offset to a first primary video signal, to use the first multi-primary video signal to derive a second additive offset to a second primary video signal of the M primary video signals, to add the first additive offset to the first primary video signal, to add the second additive offset to the second primary video signal, and to derive a bit plane based on the first primary signal having the first additive offset added thereto and to transmit the bit plane to the SLM to selectively control on and off states of the pixel elements of the SLM.

The present disclosure relates to a mountable camera device, comprising: an image capturing unit for capturing a sequence of images, the image capturing unit comprising at least a lens and an image sensor; a vibration sensor for measuring camera vibrations; an optical image stabilization mechanism for physically compensating for the camera vibrations by physically moving the lens and / or the image sensor; electronic image stabilization circuitry for digitally compensating for the camera vibrations by image processing; and processing circuitry configured to select between the optical image stabilization mechanism and the electronic image stabilization circuitry by comparing the camera vibrations against a predefined stabilization margin and / or based on a location of an object of interest in the sequence of images. The disclosure further relates to a method for controlling a mountable camera device having optical image stabilization capabilities and electronic image stabilization capabilities.