495 results about "First light" patented technology

The optical module provided by the present disclosure comprises a circuit board and a base. The surface of the circuit board is provided with a first notch part and a second notch part. The surface of the base is provided with a first light emitting part and a second light emitting part. The first light emitting part and the second light emitting part are arranged on the same surface of the base, so that the area of the base is larger, which is more conducive to heat dissipation of the device. Since the circuit board is connected between the first notch part and the second notch part, the wiring on the surface of the circuit board between the first notch part and the second notch part can be fully utilized, and the wiring area is increased. The surface of the circuit board is provided with a first light receiving part and a second light receiving part. The first light receiving part comprises a first lens assembly and a first light receiving chip. The first lens assembly covers the surface of the circuit board, and the surface is provided with a first reflecting surface. The first light receiving chip is located on the light path reflected by the first reflecting surface. The first reflecting surface can reflect the optical signal towards the surface of the first light receiving chip, so as to couple the optical signal into the first light receiving chip.

The present invention provides a light generation system configured to provide system light; wherein the light generation system includes (i) a first light generating device, (ii) a second light generating device, and (iii) a light-emitting material device; wherein: (A) the first light generating device includes a first solid-state light source, the first solid-state light source being configured to generate first light source light having a wavelength selected from the wavelength range of 430-490 nm; wherein the first light generating device is configured to generate first device light; (B) the light-emitting material device includes a first light-emitting material, the first light-emitting material being disposed downstream of the first light source and configured to convert at least a portion of the first light source light received by the first light-emitting material into first light-emitting material light having a first spectral power distribution in the visible wavelength range, the first spectral power distribution having a first centroid wavelength (λc1); wherein the first centroid wavelength (λc1) is selected from the wavelength range of 615-645 nm; wherein the first light-emitting material light includes one or more emission bands having a first full width at half maximum (FWHM1), the first... The full width at half maximum (FWHM2) is selected from a range up to 40 nm; wherein the first luminescent material comprises a luminescent material of the type doped with tetravalent manganese, wherein M comprises an alkaline earth cation, wherein M' comprises a basic cation, and x is in the range of 0-1, wherein A comprises a tetravalent cation, wherein X comprises a monovalent anion, and at least fluorine; (C) the second light generating device comprises a second solid-state light source; wherein the second light generating device is configured to generate second device light having a second spectral power distribution in the visible wavelength range, the second spectral power distribution having an emission band having (a) a second centroid wavelength (λc2) selected from a wavelength range of 605-655 nm, and (b) a second full width at half maximum (FWHM2) selected from a range up to 40 nm; and (D) the light generating system is configured such that (a) the first spectral power distribution and the second spectral power distribution at least partially overlap, (b); and (c) in the operating mode of the light generating system, the system light comprises (i) the first luminescent material light and (ii) the second device light.

The present disclosure is a light reflection measurement device including: a first light source for outputting first continuous light; a second light source for outputting second continuous light as local light; and a signal processing unit for performing digital signal processing on a light reception signal I(t) obtained by multiplexing reflected light that is obtained by irradiating a measurement target with one branched light of the first continuous light, reference light that is the other branched light of the first continuous light, and the local light, in which the signal processing unit calculates an autocorrelation function between the light reception signal I (t) and a light reception signal I (t+τ) obtained by shifting the light reception signal by time τ, and measures reflection on the measurement target by using a position of a peak of the autocorrelation function.

A system for determining spatial features of an object (5) within a control space, one side of the control space being delimited by a reference surface, comprising: • a light source (3) configured to illuminate the control space, • a camera (2) whose field of view includes the control space, characterized in that the camera (2) is an event-based camera configured to detect a variation of light in the field of view and generate an event when a variation of light is detected, and in that the light source (3) is configured to emit spatially structured light forming a first light plane (P1) and a second light plane (P2), the first light plane (P 1) being different from the second light plane (P2), and in that the system (1) comprises a processor (10) configured to receive events from the event-based camera (2), and to compute a speed of the object (5) relative to the reference surface from events caused by the object (5) intersecting the first light plane (P1) and events caused by the object (5) intersecting the second light plane (P2).

A laser ranging method and device using the autocorrelation characteristics of light intensity random noise, the method comprising: step S1, a wide spectrum light source emits laser light, which is divided into a first light beam and a second light beam by a ranging probe, and the first light beam is defined as a reference light beam; step S2, the second light beam is emitted to a target object to be measured, and a light beam reflected by the target object to be measured is obtained and defined as a signal light beam; step S3, the reference light beam and the signal light beam are coupled to form a coupled light beam; and step S4, the coupled light beam is processed to obtain absolute distance information of the target object to be measured to the light emitting end surface of the probe. The device obtains absolute distance information of the target object to be measured based on light source intensity noise. The present application has the advantages of high time resolution and high precision measurement.

The invention relates to a device (56) for on-the-fly measurement of the absorption spectrum (σ(λ1)) in the visible light range of at least one wall (16) of preforms (12), comprising: - means (36) for conveying preforms (12), - a measurement light source (58) which emits a measurement light beam (55) according to a continuous measurement spectrum (σm), - a spectrometer (62) measuring the intensity (I) and the wavelength (λ1) of the first light beam (55) after having passed through the preform (12), characterised in that the measurement light source (58) comprises at least two primary light sources (58A, 58B, 58C, 58D) which each emit a primary light beam according to an associated continuous spectrum (σA, σB, σC, σD), the primary continuous spectra (σA, σB, σC, σD) of the primary sources (58A, 58B, 58C, 58D) being different.

The application discloses an optical engine module and a laser projection device, and belongs to the laser projection field.The optical engine module comprises a light source assembly, a prism assembly, a light valve assembly and a lens assembly, wherein the light valve assembly at least comprises a first light valve and a second light valve, the prism assembly is used for guiding the incident light corresponding to each light valve to the corresponding light valve respectively, and guiding the light beams output by each light valve to the lens assembly, the image light beams output by the first light valve and the image light beams output by the second light valve are dislocated at the irradiation position of the lens assembly, so that the resolution of the image picture projected by the lens assembly can be improved without setting a vibrating mirror, the structural components of the optical engine module are less and the volume of the optical engine module is small, the problem that the components of the optical engine module are more and the volume of the optical engine module is large in the related art can be solved, and the effects of simplifying the structure of the optical engine module and reducing the volume of the optical engine module are achieved.

The invention provides a light generating system (1000) comprising a first light generating device (110), a second light generating device (120), a third light generating device (130), and a control system (3000); wherein: (A) the first light generating device (110) comprises a first solid state light source (10) configured to generate first light source light (11) and a first luminescent converter (2100); (B) the second light generating device (120) comprises a second solid state light source (20) configured to generate second light source light (21) and a second luminescent converter (2200); (C) the third light generating device (130) comprises a third solid state light source (30) configured to generate third light source light (31) and a third luminescent converter (2300); (D) the first, second, and third luminescent converter (2100, 2200, 2300) comprise a narrowband luminescent material (400); wherein the first and second luminescent converter (2100, 2200) further comprise a green-yellow luminescent material (200) and a broadband luminescent material (300); (E) the green-yellow luminescent material (200) is configured to convert the first and second light source light (11, 21) into green-yellow luminescent material light (201); (F) the broadband luminescent material (300) is configured to convert (a) the first and second light source light (11, 21) and / or (b) the green-yellow luminescent material light (201) into broadband luminescent material light (301) having a broadband centroid wavelength (λcb) of 600-670 nm; (G) the narrowband luminescent material (400) is configured to convert the first, second, and third light source light (11,21,31) into narrowband luminescent material light (401) having a narrowband centroid wavelength (λcn) of 610-650 nm; (H) the first light generating device (110) is configured to generate white first device light (111); (I) the second light generating device (120) is configured to generate white second device light (121); wherein: (i) a relative spectral power of the broadband luminescent material light (301) and / or the narrowband luminescent material light (401) in the second device light (121) differs from that in the first device light (111); (J) the third light generating device (130) is configured to generate third device light (131) having a third device centroid wavelength (λcd3) of 610-650 nm; (K) the light generating system (1000) is configured to generate system light (1001) comprising the first, second, and / or third device light (111,121,131); and (L) the control system (3000) is configured to control a spectral power distribution of the system light (1001) by individually controlling the first, second, and third light generating device (110, 120, 130).

Disclosed is a laser device includes: a rod-shaped laser medium extending in a first direction; a first light source unit including a first base and a plurality of excitation light sources; a second light source unit arranged side by side with the first light source unit in a second direction intersecting with the first direction, the second light source unit including a second base and a plurality of excitation light sources; and a holder supporting the laser medium, the first light source unit, and the second light source unit. At least one of the first base and the holder includes a first regulating part configured to regulate a position of the first base with respect to the holder, and at least one of the second base and the holder includes a second regulating part configured to regulate a position of the second base with respect to the holder.

The application belongs to the technical field of inertial confinement fusion measurement, and relates to a traveling wave split-frame camera time characteristic calibration method, device, equipment and medium, which comprises the following steps: splitting a pulse laser into a first light beam and a second light beam; acquiring a first light spot image of a microstrip under a direct current voltage, and a second light spot image corresponding to the second light beam when a split-frame camera is driven by a gating pulse and is synchronized with the pulse laser; based on the first light spot image, the gray scale distribution of a strip-shaped light spot in the second light spot image is respectively subjected to spatial light intensity correction; according to the gray scale peak position of the strip-shaped light spot in the corrected second light spot image, the transmission speed of the gating pulse on the microstrip is calculated, and a gain attenuation curve of the split-frame camera is fitted; the gray scale distribution of the strip-shaped light spot in the second light spot image is subjected to gain attenuation correction by using the gain attenuation curve, and the exposure time of the split-frame camera is calculated in combination with the transmission speed and the pixel size. The purpose is to improve the calibration precision and efficiency of the time characteristics of the split-frame camera.

The application provides a system for adjusting a light beam, which can be applied to an optical system with high requirements for a reflected wave front. The system comprises a mirror, a surface shape detection device, a calculation and analysis device, and a compensation light generating device. The mirror is used to receive incident light from a first light source and emit reflected light. The surface shape detection device is used to obtain information about an initial surface shape of the mirror after the incident light is incident. The calculation and analysis device is used to generate first indication information according to the information about the initial surface shape, the first indication information indicating that the compensation light generating device emits first compensation light to the mirror. The compensation light generating device is used to emit the first compensation light to the mirror according to the first indication information, the first compensation light being used to change the initial surface shape of the mirror into a first surface shape. The system of the application not only can maintain the wave front of the reflected light, but also can improve the accuracy of regulating and controlling the direction and divergence angle of the reflected light.

A measurement apparatus includes a light emitter that includes: a first light emission region emitting light toward a first area and a second light emission region emitting light toward a second area different from the first area; a light receiver that includes a first light reception region receiving light reflected from the first area and a second light reception region receiving light reflected from the second area; and an acquisition unit that acquires information on the second area, in accordance with light reception results of the second light reception region that receives light reflected from the second area irradiated with the light emitted from the first light emission region.

Embodiments of the present application provide a planar lamp, which comprises a first light-emitting part having a first side; a frame surrounding the first light-emitting part, a plane where a top of the frame is located being higher than a plane where the first side is located to form a containing space; and a driving part arranged in the containing space to reduce a thickness of the planar lamp in a first direction. The driving part is arranged in the containing space to reduce the thickness of the planar lamp, so that the planar lamp is suitable for being installed in various low-height installation environments, and the practicability of the planar lamp is increased. Moreover, the driving part is arranged in the containing space and is surrounded by the containing space, so that hardware damage caused by external collision is avoided, and the service life of the driving part is increased.

An optical device comprises an optical fiber for generating an illumination image by means of light emitted from its emission surface, a first light source unit arranged at a first end of the optical fiber, a second light source unit arranged at a second end of the optical fiber, and a controller for controlling the current applied to the first and second light sources in order to switch the first and second light sources on and off. The controller applies a first current signal with a first duty cycle that changes over time to the first light source unit and applies a second current signal, which depends on the first current signal and has a second duty cycle that also changes over time, to the second light source unit.

The invention provides an illumination device for outputting an output light, the illumination device comprising a first light source, a second light source; the first light source being configured to emit first light at a first peak wavelength in a first range of 660 nm to 699 nm, the second light source being configured to emit second light at a second peak wavelength in a second range of 689 nm to 705 nm; wherein the second peak wavelength is at least 5 nm larger than the first peak wavelength; the second light source being configured to be turned on and off independently of the first light source; the device being configured to output the first light as the output light in case the second light source is off, and to output the first light and the second light as the output light in case the second light source is on.

The present application relates to the field of optical sensing technology, and provides a transparent tomographic imaging method based on an edge convex lens array, which receives an incident light source at a first end face to generate a first light signal, and the first light signal is transmitted along the first end face to a circumferential side face. The first light signal is encoded by a convex lens array structure arranged at the circumferential side face, and at least one group of second light signals is obtained after encoding. The second light signal is sensed by at least one optical detection module. The optical detection module transmits the second light signal to a signal reconstruction module for tomographic reconstruction to obtain a third light signal. The present application also discloses a sensing device. The method and the sensing device can transfer the sampling and encoding process of the light signal from a plane to an edge region of an imaging plane, realize angle-related optical encoding of the in-plane propagating light signal, and obtain an imaging result through tomographic reconstruction. Thus, the technical problems of limited transparency and limited resolution in the existing transparent imaging scheme are overcome.

The application provides a variable aperture, a camera assembly and an electronic device. The variable aperture comprises a plurality of blades, a base, a cover, a rotating support, a fixing frame and a driving part. The rotating support comprises a guide chute. The driving part comprises a driving coil, a driving carrier, a sliding pin and a driving magnet. The driving coil is sleeved with the outer periphery of the driving carrier. The sliding pin is arranged in the driving carrier. The driving carrier is sleeved with the rotating support. The sliding pin is slidingly connected in the guide chute. The fixing frame is sleeved with the rotating support. The driving magnet is connected with the fixing frame and opposite to the driving coil. The base and the rotating support form a first light passing hole. The plurality of blades are rotationally connected with the fixing frame and the rotating support. The plurality of blades surround a light adjusting hole. The driving coil is electrified. The driving magnet can generate a driving magnetic force to push the driving coil and the driving carrier to move along the optical axis direction of the variable aperture. The sliding pin is slidingly pushed in the guide chute to drive the rotating support to rotate the plurality of blades to adjust the aperture of the light adjusting hole.

A light receiving device includes a substrate including first and second areas, an element layer on the substrate and including a pixel defining film including first and second openings in the first and second areas, respectively, first and second light receiving areas respectively defined by the first and second openings, and an optical layer on the element layer and including a first light blocking layer and a light guide layer on the first light blocking layer. The first light blocking layer includes first light blocking patterns respectively including first transmission holes, the light guide layer includes first and second light guide patterns respectively including first and second light guide holes corresponding to the first and second openings, respectively. The first light guide hole overlaps the first opening in a plan view, and the second light guide hole is shifted with respect to the second opening in the plan view.

A wall washer lamp, relating to the technical field of lighting. The wall washer lamp comprises: a lamp housing (100), wherein the lamp housing (100) has a first accommodating space and a second accommodating space that are spaced apart from each other, the first accommodating space being provided with a first light outlet (110), which is provided on a side facing away from a ceiling, and the second accommodating space being provided with a second light outlet (120), which faces a wall surface adjacent to the ceiling; and a first light source module (200) and a second light source module (300), wherein the first light source module (200) is arranged in the first accommodating space, the second light source module (300) is arranged in the second accommodating space, and the first light source module (200) and the second light source module (300) are configured such that first light rays and second light rays respectively emitted therefrom pass through the corresponding first light outlet (110) and second light outlet (120) and are irradiated toward the wall surface. The wall washer lamp can solve the problems of inconvenient installation and glare of current wall washer lamps.

The application relates to the field of TO package chip detection devices. A To package chip detection device comprises a jig transfer module and a visual detection module; the jig transfer module comprises a jig servo motor, a transfer first guide rail and an R-axis module; the R-axis module is connected to the transfer first guide rail through a sliding block, and a product jig for placing products is arranged on the R-axis module; the jig servo motor can move the product jig to below the visual detection module; the visual detection module comprises a first light source, a first lens, a defect detection first camera and a detection mounting plate arranged in sequence on the same straight line; the resolution of the defect detection first camera can reach 4096*3000, and the pixel accuracy is 0.0030-0.0057 mm / pixel; the distance L from the first lens to the product is 110+ / -10 mm, the distance L1 from the first lens to the first light source is 59.5+ / -20 mm, and the distance L2 from the first light source to the product is 30+ / -20 mm. The device has the advantages of being capable of detecting micron-level defects and high detection efficiency.

The utility model provides a kind of flexible film circuit board terminal size detection device based on vision module, including test bench, first light source being set on test bench, product placing plate being set in the upper of first light source, the light transmission hole is opened in the correspondence of product placing plate and first light source, the shape of the light transmission hole is adapted to the terminal shape of flexible film circuit board, second light source and vision detection device are further equipped in the upper of light transmission hole, the second light source, vision detection device are set in the just upper of light transmission hole by support, the first light source and second light source are the light of the positive and negative two sides of the flexible film circuit board terminal to be tested, provide detection light source for the vision detection device.The utility model has the beneficial effect that: effectively improve the accuracy of test.

An optical unit (4) for a vehicle headlight (1) comprises a first light source unit (10), a second light source unit (20), and a light guide (30). The light guide (30) has: a first light guide part (40) that forms a low-beam light distribution pattern with light from a first light source unit (10) and that extends in the front-rear direction; and a second light guide part (50) that forms a high-beam light distribution pattern with light from the second light source unit (20) and that extends in the front-rear direction below the first light guide part (40) so as to face the first light guide part (40). The first light source unit (10) is provided above the light guide (30) and the second light source unit (20) is provided below the light guide (30).

A sight and a pattern structure thereof, the pattern structure comprising a first pattern and a second pattern. The first pattern is a first geometric shape composed of a first light source unit and has a first color. The second pattern is a second geometric shape composed of the first light source unit. An inner side edge of the second pattern is oppositely arranged along an outer side edge of the first pattern, wherein the outer side edge of the first pattern and the inner side edge of the second pattern have a first characteristic interval between corresponding positions of each other, and the first characteristic interval between the corresponding positions is the same. The second pattern has a first end and a second end, the first end and the second end are oppositely arranged and connected to the inner side edge of the second pattern respectively, and the first end and the second end are separated by a second characteristic interval.

An optical module, a lighting device, and a motor vehicle are provided. The optical module includes a first light source and a first optical element, as well as a second light source and a second optical element, wherein the first and second optical elements collect light emitted by the first and second light sources such that the light emitted by the first and second light sources enters the first and second optical elements respectively and is redirected. A projection optical system is configured to project the redirected light from the first and second optical elements. The first optical element has a total reflection surface disposed on its surface, the total reflection surface reflecting at least some of the light rays within the first optical element according to a cutoff line profile. The second optical element has at least one total reflection surface to change the direction of light emitted from the second light source such that the light exits from the light-emitting surface of the second optical element. The optical focus of the projection optical system is disposed at or near the edge of the total reflection surface along the light propagation direction of the first light source.

A speaker apparatus comprising: a speaker comprising a diaphragm for transmitting an audio output; at least one light source; and an acoustic lens coupled to the speaker and defining a first opening to enable the first audio output to be transmitted from the first opening at a first predetermined angle, wherein the acoustic lens comprises at least one first light guide extending through the first opening, each of the at least one light source is coupled to at least one of the at least one first light guide such that light emitted by the light source is internally reflected along the respective at least one first light guide, and each of the at least one first light guide comprises a plurality of extraction elements arranged continuously along a length of the light guide, each of the plurality of extraction elements is configured to direct light emitted by a respective one of the at least one light source and internally reflected along the respective at least one first light guide towards a direction away from the speaker.

The utility model provides a kind of spliced lamp, comprising: lamp tube module, for multiple, first light source is equipped in the lamp tube module, the two ends of the lamp tube module are inwardly concave and form socket, first plug is equipped in the socket;Connecting module, for multiple, second light source identical with the light emitting direction of the first light source is equipped in the connecting module, the lateral wall of the connecting module is equipped with at least two and the cross-sectional shape of the socket is identical with the plug-in part, the plug-in part can be inserted into the socket and realize connection, the end of the plug-in part is equipped with second plug, the first plug and one of the first plug are male plug, another is female plug and can realize electric connection, the lateral wall of one of the connecting module is equipped with power interface and as power access end.The utility model spliced lamp, compact structure, splicing is convenient, and lamp is good consistency.

This application relates to the field of lighting effect control technology, and provides a method for determining the trajectory of a lighting effect, as well as a sound and ambient lighting device. The method includes: determining the predicted trajectory position of the lighting effect based on audio information from the current audio frame; determining the basic trajectory position of the lighting effect based on basic data of a first light strip; then calculating the initial position deviation between the predicted trajectory position and the basic trajectory position; optimizing the initial position deviation using a position deviation determination model to obtain a target position deviation; and finally superimposing the basic trajectory position and the target position deviation to obtain the target trajectory position of the light strip's lighting effect. This application superimposes the basic trajectory position and the optimized target position deviation, effectively reducing the error in the mapping relationship between audio features and lighting effect positions, and achieving precise control of the lighting effect position.

Embodiments of the present application provide a line card, an optical backplane, and a network device. The line card is applied to a communication device. The communication device comprises: a chassis, comprising a front panel and a rear panel, wherein the front panel and the rear panel are arranged opposite to each other; and an optical backplane arranged in the chassis. The line card comprises: a package substrate, comprising a first optical engine, and a processing chip connected to the first optical engine; and a first light source module cage, which is optically connected to the first optical engine and is not arranged on the side close to the rear panel relative to the package substrate, wherein the first light source module cage is configured to allow an inserted first light source module to provide light to the first optical engine. The optical backplane is arranged on the side close to the rear panel relative to the package substrate.

The application discloses a satellite ephemeris prediction method and device and electronic equipment, and belongs to the field of satellite positioning. The satellite ephemeris prediction method provided by the application comprises the following steps: obtaining first light pressure parameters, orbit data and clock error of a satellite; fitting the first light pressure parameters based on a third-order Fourier polynomial to generate a target light pressure parameter model; generating a target orbit according to the orbit data and the target light pressure parameter model; and predicting ephemeris of the satellite according to the target orbit and the clock error. In this way, the first light pressure parameters are processed by using the third-order Fourier polynomial to capture the change rule of the first light pressure parameters, and the target light pressure parameter model is constructed accordingly, and then the ephemeris is predicted according to the target light pressure parameter model, so that the obtained ephemeris has higher accuracy.

The invention relates to a signal assembly (1) for a vehicle (2), the signal assembly comprising a left front optical unit (22) and a right front optical unit (24), both of which are capable of covering a detection field having an angular amplitude (L) extending between a first direction (d1) and a fourth direction (d4). The left front optical unit (22) is configured to generate a first light beam (222) that covers the angular amplitude (L) of the detection field by itself when the turn signal is not activated, and the right front optical unit (24) is configured to generate a second light beam (242) that covers the angular amplitude (L) of the detection field by itself when the turn signal is not activated.