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40results about How to "Short light path" patented technology
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White LED Light Source Device and LED Backlight Using the Same
InactiveUS20080151527A1Improve utilization efficiencyWide range of colorsPoint-like light sourceGas discharge lamp usageLuminous intensityGreen-light
A white LED light source device and an LED backlight using the white LED light source can produce, among other features, white light with sufficient luminous intensity, uniform color tone, and high luminous utilization efficiency. A light path for producing white light with favorable color mixture can be shortened. The white LED light source device can be configured to include a bluish green LED lamp which can emit bluish green light by the combination of a blue LED device and a green phosphor material and a purple LED lamp which can emit purple light by the combination of a blue LED device and a red phosphor material. The bluish green light from the bluish green LED lamp and the purple light from the purple LED lamp are subjected to additive color mixture to produce white light with a spectrum containing three primary color wavelength components.
Owner:STANLEY ELECTRIC CO LTD
Multi-line laser radar system for automobiles
InactiveCN101813778AImprove efficiencyShorten the lengthElectromagnetic wave reradiationRadar systemsLight spot
The invention discloses a multi-line laser radar system for automobiles, which is characterized in that a laser device, a spherical reflector and a parabolic reflector form a set of simple and effective beam shaping system to enable laser beams to be aligned in the horizontal direction and divergent in the direction of an optical axis of the system, an output light spot is a linear light spot, and the distance among a plurality of angle targets in the direction of a vertical axis can be detected by transmitting single pulses. The laser device generates linear beams used as radar scanning signals, the parabolic reflector is used for collecting echo signals of objects, the collected echo signals firstly pass through an optical filter and then incidence onto a photoelectric receiver array, and a motor drives a transmitting light path part and a receiving light path part to integrally rotate, thereby completing multi-line target scanning. In the invention, the linear beams are used as the radar scanning signals, the off-axis parabolic reflector is used for collecting the echo signals, and the photoelectric receiver array is used for receiving the echo signals. The multi-line laser radar system for the automobiles has the advantages of high detection efficiency, short light path, light weight, small volume and the like and is suitable for various automobiles.
Owner:CHANGCHUN AIKS TECH
3D printing device and method
InactiveCN104760291AHigh forming precisionShort light pathAdditive manufacturing apparatus3D object support structuresGraphicsLiquid-crystal display
Owner:BOE TECH GRP CO LTD
Digital light processing projector
ActiveUS20050057729A1Small sizeProjection quality is not alteredProjectorsOptical elementsTotal internal reflectionPrism
A digital light processing projector comprising a light source, a splitter module, a plurality of total internal reflection (TIR) prisms and digital mirror devices (DMDs), a combiner and a projection lens is provided. The splitter module is disposed in the light path of the light after the light source to split the light into a plurality of color lights. Each color light is incident to the total reflection plane of the TIR prism with an incident angle larger than the critical angle, and then is totally reflected to the DMD. Thereafter, each color light is reflected by the DMD being incident to the total reflection plane of the TIR prism with an incident angle smaller than the critical angle, and then passes through the TIR prism directly. The color lights passing through the TIR prisms are combined by the combiner and then projected by the projection lens.
Owner:DELTA ELECTRONICS INC
Minisize three-dimensional self-scanning confocal microscope
InactiveCN1664558AImprove measurement resolutionHigh non-contact measurementSurface/boundary effectMicroscopesFluorescenceScanning confocal electron microscopy
The invention discloses a mini three-dimensional scanning confocal microscope. The double-comb linear scanning comprises an actor, two X linear drivers using as stator, Z linear driver, the second microlens is set on the actor, the light from the point-source become to the collimated light laser beam after passing the fist microlens, the beam goes through the mini optical spectroscope, reflected by the micro-scanning reflector, and focalize on the sample by the second microlens, the reflected or fluorescence light passes the second microlens and the micro-scanning reflector along the original path and returns to the mini optical spectroscope, the reflected light shines in the micro-light detector through the third microlens and the pinhole, the controlling device is used to collect and process the data and control said linear scanning on the focus of the direction X and Y.
Owner:HUAZHONG UNIV OF SCI & TECH
Light-cured 3D printer
The invention discloses a light-cured 3D printer. The light-cured 3D printer comprises a carrier plate, a driving mechanism, a containing tank, a light beam generation assembly for providing parallel light beams and a liquid crystal screen for forming a light transmittance zone with a slice shape. Parallel light beams produced through the light beam generation assembly perpendicularly go through the light transmittance zone and irradiate liquid photosensitive resin. The parallel light beams produced through the light beam generation assembly go through the light transmittance zone of the liquid crystal screen and irradiate the liquid photosensitive resin so that the resin is cured, and the parallel light beams going through the liquid crystal screen are not refracted and reflected and thus the shape of each layer of the cured photosensitive resin is the same to that of the corresponding slice and a printing precision is high. When the parallel light beams are formed, the theoretical shortest distance from a spot light source to the liquid photosensitive resin is one focal length of a lens or is equal to thickness of a light guide plate and thus the light-cured 3D printer has a small volume and is convenient for carrying and use.
Owner:十维(广东)科技有限公司
Optical projection measurer for external diameter of large wheel diameter
The present invention discloses a large wheel diameter outside diameter optical projection measuring equipment. It includes a mechanical positioning component and an optical measuring head mounted on the mechanical positioning component. Said optical measuring head is composed of back projection laser source, beam expander lens, optical slit component, imaging lens component, CCD camera and signal control processing device. It is applicable to diameter measurement of geometric revaling body whose wheel diameter is greater than 500mm, specially it is applicable to diameter measurement of geometric revolving body whose thread width is greater than 80 mm.
Owner:WUHAN UNIV OF TECH
White LED light source device and LED backlight using the same
InactiveUS7810947B2Improve efficiencyFavorable color mixturePoint-like light sourceGas discharge lamp usageLuminous intensityPhosphor
Owner:STANLEY ELECTRIC CO LTD
3D printing device and method
InactiveUS20170072627A1Short light pathLow graphic deformation rateAdditive manufacturing apparatus3D object support structuresGraphicsLiquid-crystal display
The disclosure relates to a 3D printing device and printing method. The 3D printing device comprises: a liquid storage tank for holding a liquid photo polymerizable material; a liquid crystal display screen; a light source system, the light from the light source system transmits through the liquid crystal display screen to the liquid photo polymerizable material; a lifter pallet disposed in the liquid storage tank, the lower surface of the lifter pallet and the bottom of the liquid storage tank form a cavity, the liquid photo polymerizable material flows into the cavity along with the upward movement of the lifter pallet; a display control device for driving the liquid crystal display screen, the light source system and the lifter pallet respectively. The curing equipment in the 3D printing device has a short light path and a low graphic deformation rate, thus significantly improves the molding precision of 3D printing.
Owner:BOE TECH GRP CO LTD
Miniature projection optical engine based on three-color light source
InactiveCN101923272AImprove light energy utilizationImprove uniformityProjectorsOptical elementsLight energyLight beam
The invention relates to a miniature projection optical engine based on a three-color light source, which comprises a light source module, a polarization converter, a fly's-eye lens group, a light condensing and shaping lens group, a polarization beam splitter, a monolithic micro display panel and a projection lens, wherein the light source module emits three-color non-polarized light; the polarization converter is arranged on the emergent light path of the light source module and converts one three-color non-polarized light beam into two polarized light beams travelling in the same direction under the same polarization state; the polarization state is arranged on one side of the polarization converter and is used for homogenizing the received polarized light; the monolithic micro display panel is arranged on one side of the polarization beam splitter, which is not adjacent to the light condensing and shaping lens group and is used for modulating the polarized light with image information; and the projection lens is used for projecting the polarized light with image information. The optical engine omits a light merging element, and the number of the used optical elements is small; the invention has short light path, compact structure, small size, high light energy utilization efficiency and good uniformity.
Owner:BUTTERFLY TECH SHENZHEN
Digital light processing projector
ActiveUS7144116B2Small sizeProjection quality is not alteredProjectorsOptical elementsTotal internal reflectionPrism
Owner:DELTA ELECTRONICS INC
Micro-projection optical engine
A micro-projection optical engine comprises an illumination device, a polarization optical splitter, a monolithic micro-display panel and a protection lens, wherein the illumination device comprises a red light source module, a blue light source module, a green light source module, an X-type color combination lens and a lens group. The lens group is arranged on an output light path of the X-type color combination lens. The polarization optical splitter is arranged on the output light path of the illumination device. The monolithic micro-display panel is arranged at one side, which is not adjacent to the illumination device, of the polarization optical splitter, modulates and converts the received polarized light into another polarized light which is vertical to the polarized light, and makes the other polarized light carry image information. The projection lens receives and projects the other polarized light carrying image information. The invention improves the efficiency of the optical engine by the lens group, meanwhile, the whole optical engine only involves the illumination device, the polarization optical splitter, the monolithic micro-display panel and the projection lens, the invention has simple light path design, compact structure, uniform radiance, small size and lower production cost.
Owner:BUTTERFLY TECH SHENZHEN
Gaseous substance detection device based on transparent capillary structure and fluorescent light
ActiveCN104677876AShort light pathHigh fluorescence intensityFluorescence/phosphorescencePhysicsBackground noise
The invention discloses a gaseous substance detection device based on a transparent capillary structure and fluorescent light. The gaseous substance detection device comprises a light source system, a fluorescent coating capillary tube and a detection system, which are arranged on a capillary tube base; the detection system and the light source system are arranged vertically to the wall of the fluorescent coating capillary tube; the detection system and the light source system are arranged at 90 degrees; the light source system comprises an LED light source, a collimation system and a first light filter, which are sequentially connected and arranged; and the detection system comprises a detector and a second light filter. The light source and the detector are arranged at 90 degrees along the wall of the fluorescent coating capillary tube, so that exciting light is prevented from directly irradiating the detector; a light path is short; the effects of water vapor and the like are reduced; the second light filter is isolated from an air path, and is prevented from being polluted by gas; stray light of the exciting light is reduced through the arrangement of a sleeve; the fluorescence intensity and the signal strength are enhanced; the signal background noise is reduced; and the effects caused by the water vapor and dust adhesion in the detection gas are reduced.
Owner:LINHAI OUXUN ELECTRONICS TECH
Zoom lens, zoom method, terminal and computer readable storage medium
The embodiments of the invention provide a zoom lens, a zoom method, a terminal and a computer readable storage medium. The zoom lens includes n lenses; the n lenses are successively arranged in an optical axis direction; n is a positive integer greater than or equal to 2; an aperture is arranged parallel to the n lenses in an optical axis direction; the aperture is arranged at the tail end of theoptical axis and parallel to the n lenses to form an image plane; the n lenses include m variable curvature lenses and n-m aspherical lenses; the top end and bottom end of each variable curvature lens of the m variable curvature lenses are provided with driving parts; m is a positive integer greater than 1 and less than n; by changing the power of the driving parts corresponding to the m variablecurvature lenses, the radiuses of curvature of the m variable curvature lenses are changed, and an incident angle is obtained; and after receiving incident light corresponding to an object space, under the action of a beam of light of the aperture, and through the n lenses, the incident light is reflected to the image plane to be an image at an incident angle.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Infrared interference imaging spectrometer based on biplane right angle reflectors
InactiveCN105318969AImprove stabilitySimple structureRadiation pyrometryInterferometric spectrometryInformation processingBeam splitter
The invention provides an infrared interference imaging spectrometer based on biplane right angle reflectors. The infrared interference imaging spectrometer comprises a rotary platform, a beam splitter, a first right angle reflector, a second right angle reflector, an imaging object lens, a surface array detector and a control and information processing module. The beam splitter, the first right angle reflector, the second right angle reflector, the imaging object lens and the surface array detector are respectively installed on the rotary platform. The control and information processing module controls the rotary platform and the surface array detector and receives signals of the surface array detector. According to the invention, a static Michelson interference principle is utilized, one right angle reflector is dislocated in a direction perpendicular to an optical axis, and transverse cutting and light splitting of light beams are realized. Under a push-scan or rotation-scan mode, a space and spectrum information "data cube" is obtained.
Owner:西安应用光学研究所
Self-scanning projection measuring device for two-dimensional configuration outline
InactiveCN1746619AShort light pathSimple light noiseUsing optical meansOptical pathMeasurement device
A self ¿C scanning and projecting measurement device of two- dimensional configuration consists of laser, extender lens, light slot, cylindrical lens set, CCD and controller on the same light path in sequence. It is featured as setting light slot on linear scanner for moving said slot along X direction, making light slot length be greater than Y directional width of geometric form section to be measured and making light slot width be less than X directional measurement resolution rate; forming cylindrical lens set by cylindrical lens or cylindrical lens and imaging lens; using controller to control movement and to control collection and process of measurement signal.
Owner:HUAZHONG UNIV OF SCI & TECH
Four-spectrum-in-one spectral beam split structure
InactiveCN110031980AGuaranteed matchAchieve secondary imagingOptical elementsSpectral bandsImaging quality
The invention discloses a four-spectrum-in-one spectral beam split structure. The structure is used for imaging four spectral bands of visible light, near infrared, medium wave infrared and long waveinfrared of a remote target on corresponding detectors at the same time, thereby realizing reliable detection and sufficient identification of the target. A whole light path is composed of three parts. A main optical system carries out first-time imaging. Dichroic mirrors and reflecting mirrors carry out spectral beam split and light path reflection. A post-imaging optical structure of each spectral band realizes secondary imaging of each spectral band. According to the structure, beam split mode and structure layout of the four spectral bands is realized. The structure is compact in structure, mature in coating technology and high in beam split efficiency. The structure is characterized by that each spectral band of a system is high in optical transmittance, imaging quality is high, and the system is easy to maintain.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
High efficiency micro projection optical engine
InactiveUS8403496B2Improve efficiencySimple configurationProjectorsColor television detailsOptoelectronicsCritical illumination
Owner:BUTTERFLY TECH SHENZHEN
Multi-line laser radar system for automobiles
InactiveCN101813778BImprove efficiencyShorten the lengthElectromagnetic wave reradiationRadar systemsLight spot
The invention discloses a multi-line laser radar system for automobiles, which is characterized in that a laser device, a spherical reflector and a parabolic reflector form a set of simple and effective beam shaping system to enable laser beams to be aligned in the horizontal direction and divergent in the direction of an optical axis of the system, an output light spot is a linear light spot, and the distance among a plurality of angle targets in the direction of a vertical axis can be detected by transmitting single pulses. The laser device generates linear beams used as radar scanning signals, the parabolic reflector is used for collecting echo signals of objects, the collected echo signals firstly pass through an optical filter and then incidence onto a photoelectric receiver array, and a motor drives a transmitting light path part and a receiving light path part to integrally rotate, thereby completing multi-line target scanning. In the invention, the linear beams are used as theradar scanning signals, the off-axis parabolic reflector is used for collecting the echo signals, and the photoelectric receiver array is used for receiving the echo signals. The multi-line laser radar system for the automobiles has the advantages of high detection efficiency, short light path, light weight, small volume and the like and is suitable for various automobiles.
Owner:CHANGCHUN AIKS TECH
Three-DOF heterodyne grating interferometer displacement measurement system
ActiveUS9903704B2Low environmental sensitivitySimple structureInterferometersUsing optical meansBeam splitterGrating
A three-DOF (Degree of Freedom) heterodyne grating interferometer displacement measurement system comprises a dual-frequency laser, a grating interferometer, a measurement grating, receivers and an electronic signal processing component; the grating interferometer comprises a polarizing beam splitter, a reference grating and dioptric elements; the measurement system realizes displacement measurement on the basis of grating diffraction, the optical Doppler Effect and the optical beat frequency principle. Three linear displacements can be output by the system when the grating interferometer and the measurement grating perform a three-DOF linear relative motion. The measurement system can reach sub-nanometer and higher resolution and precision, and can simultaneously measure three linear displacements. The measurement system has the advantages of being environmentally insensitive, high in measurement precision, small in size, light in weight, and is capable of improving the overall performances of an ultra-precision stage of a lithography machine as a position measurement system for this stage.
Owner:TSINGHUA UNIV
Display substrate, display device and preparation method thereof
PendingCN113161397AImprove light output efficiencyExtend your lifeSolid-state devicesSemiconductor/solid-state device manufacturingColor filmDisplay device
The invention provides a display substrate, a display device and a preparation method thereof. The display substrate comprises a substrate and a pixel defining layer, wherein the pixel defining layer is arranged on the substrate, and a plurality of sub-pixel openings are defined by the pixel defining layer; and the surface of the side, which is away from the substrate, of the display substrate is provided with at least one concave part, and the orthographic projection of the concave part on the substrate is not overlapped with the orthographic projection of the sub-pixel opening on the substrate. When the display substrate is assembled into a display device, a spacer on a color film substrate can be accommodated in the concave part, so that the thickness of the display device can be greatly reduced, the light emitting path of a light-emitting element can be reduced, the light emitting efficiency of the light-emitting element can be improved, and the service life of the light-emitting element can be prolonged.
Owner:BOE TECH GRP CO LTD
A gaseous substance detection device based on transparent capillary structure and fluorescence
ActiveCN104677876BAvoid direct exposureWill not polluteFluorescence/phosphorescenceWater vaporPhosphor
The invention discloses a gaseous substance detection device based on a transparent capillary structure and fluorescence, comprising a light source system arranged on a capillary base, a fluorescent coating capillary, and a detection system, and the detection system and the light source system are perpendicular to the wall of the fluorescent coating capillary The detection system and the light source system are set at 90 degrees. The light source system includes an LED light source, a collimation system, and a first optical filter connected in sequence. The detection system includes a detector and a second optical filter. The light source and the detector of the present invention are arranged at 90 degrees along the wall of the fluorescent coating capillary tube, avoiding the direct irradiation of the excitation light on the detector, the optical path is short, and the influence of water vapor is reduced, and the second filter is isolated from the gas path and will not be affected Gas pollution; the setting of the casing can reduce the stray light of the excitation light, enhance the fluorescence intensity and signal intensity; reduce the background noise of the signal, and reduce the influence of water vapor and dust adhesion in the detection gas.
Owner:LINHAI OUXUN ELECTRONICS TECH
Visible light communication system
The invention discloses a visible light communication system, comprising an embedded Linux platform, a signal coding module, a transconductance amplification module, a tristate buffer module, an enable switching module, a signal amplification module, an analog-digital conversion module, a signal decoding module and an LED module which comprises an LED lamp, wherein the signal coding module is connected between the embedded Linux platform and the transconductance amplification module; the enable switching module is connected with the tristate buffer module for controlling the tristate buffer module to switch between a transmitting mode and a receiving mode; the LED module is connected with the tristate buffer module and used for controlling the LED lamp to flicker at a set frequency according to the received data transmitted from the tristate buffer module; the signal amplification module is connected between the tristate buffer module and the analog-digital conversion module; the signal decoding module is connected with the analog-digital conversion module and the embedded Linux platform; and the embedded Linux platform comprises an application layer, a transmission layer, a network layer, a data link layer and a physical layer.
Owner:HEILONGJIANG AGRICUTURAL ENGINEARING VOCATIONAL COLLEGE
Laser projection equipment
The invention provides laser projection equipment. The laser projection equipment comprises a complete machine shell and a light source, the light source comprises a red laser assembly and a green laser assembly which are installed in parallel, and a blue laser assembly perpendicular to the red laser assembly and the green laser assembly. A first light combination mirror is arranged at the intersection of the blue laser and the green laser, the first light combination mirror transmits the blue laser and reflects the green laser, a second light combination mirror is arranged at the intersectionof the blue laser, the green laser and the red laser after light combination, and the second light combination mirror transmits the red laser and reflects the blue laser and the green laser to a third light combination mirror. The third light combination mirror reflects the red laser, the blue laser and the green laser to a light source light outlet, and the first light combination mirror, the second light combination mirror and the third light combination mirror are arranged in parallel. According to the laser projection equipment, the light loss of the red laser is small, the power ratio orcolor ratio of the three-color laser beams can be maintained, and the laser projection equipment can present a projection picture with high brightness and good color.
Owner:QINGDAO HISENSE LASER DISPLAY CO LTD
Three-dof heterodyne grating interferometer displacement measurement system
ActiveUS20160153764A1Low environmental sensitivitySimple structureInterferometersUsing optical meansGratingRelative motion
A three-DOF (Degree of Freedom) heterodyne grating interferometer displacement measurement system comprises a dual-frequency laser, a grating interferometer, a measurement grating, receivers and an electronic signal processing component; the grating interferometer comprises a polarizing spectroscope, a reference grating and dioptric elements; the measurement system realizes displacement measurement on the basis of grating diffraction, the optical Doppler Effect and the optical beat frequency principle. Three linear displacements can be output by the system when the grating interferometer and the measurement grating perform a three-DOF linear relative motion. The measurement system can reach sub-nanometer and even higher resolution and precision, and can simultaneously measure three linear displacements. The measurement system has the advantages of being environmentally insensitive, high in measurement precision, small in size, light in weight, etc., and is capable of improving the overall performances of an ultra-precision stage of a lithography machine as a position measurement system for this stage.
Owner:TSINGHUA UNIV
Total reflection focusing method and device used for LED shadowproof lamp
PendingCN107559770AGood visual effectZero light lossSemiconductor devices for light sourcesReflectorsAngle of incidenceLight spot
The invention discloses a total reflection focusing method and device used for an LED shadowproof lamp. The method and device are characterized in that the device comprises a total reflection focusingdevice unit; with a point S and a point D as the circle centers, a circle S and a circle D intersecting with the circle S are formed correspondingly; with the circle centers of the circle S and the circle D as the focal points, a conjugated ellipse is formed; total reflection surfaces of the total reflection focusing device unit are located on a curve section of the ellipse, and when incident light emitted from the point S irradiates the total reflection surfaces located on the curve section of the ellipse in the mode that the incidence angle alpha is greater than or equal to the critical angle of a total reflection focusing device, the incident light can be totally reflected to the point D; and incident planes are formed between the points of intersection of the circle S and the circle Dand the points of intersection of the circle S and the ellipse, light-exiting surfaces are formed between the points of intersection of the circle S and the circle D and the points of intersection ofthe circle D and the ellipse, and the total reflection surfaces are formed on the curved section between the points of intersection of the ellipse and the circle S and the points of intersection of the ellipse and the circle D. The total reflection focusing method and device provided by the invention have the advantages that the light path is short, the light loss is small, the light utilizationrate is higher, a required lamp is low in power and small in heating capacity, formed light spots are fine and smooth, and glare is avoided.
Owner:HUNAN TAIYANGLONG MEDICAL TECH
Minisize three-dimensional self-scanning confocal microscope
InactiveCN1300563CImprove measurement resolutionHigh dynamic frequency responseSurface/boundary effectMicroscopesFistRectilinear Scan
The invention discloses a mini three-dimensional scanning confocal microscope. The double-comb linear scanning comprises an actor, two X linear drivers using as stator, Z linear driver, the second microlens is set on the actor, the light from the point-source become to the collimated light laser beam after passing the fist microlens, the beam goes through the mini optical spectroscope, reflected by the micro-scanning reflector, and focalize on the sample by the second microlens, the reflected or fluorescence light passes the second microlens and the micro-scanning reflector along the original path and returns to the mini optical spectroscope, the reflected light shines in the micro-light detector through the third microlens and the pinhole, the controlling device is used to collect and process the data and control said linear scanning on the focus of the direction X and Y.
Owner:HUAZHONG UNIV OF SCI & TECH
Transistor outline (TO) packaged tunable optical filter
The invention relates to the field of optical filter devices and discloses a transistor outline (TO) packaged tunable optical filter. The TO packaged tunable optical filter includes an input end, an output end, a TO base including pins, a tunable etalon group made of a heat-sensitive material, a micro electro mechanical system (MEMS) reflection lens having an adjustable angle and a support base group are arranged on the TO base, the heights of support bases of the support base group are different, each etalon of the tunable etalon group is separately arranged on each support base, heating resistor films are plated on the etalons, and the etalons are separately in electric connection with the pins on the TO base, the pins are connected to a heating controller, the heating controller controls the heating temperature of the etalons so as to realize thermal tuning of the etalons, a TO pipe cap is further arranged on the TO base, the reflection lens and the etalons are packaged in the pipecap, and the input end and the output end are connected to a top end of the pipe cap. The TO packaged tunable optical filter has the following beneficial effect: multiple functions, a small size, lowcost, a short optical path, low polarization related loss and good insertion loss consistency.
Owner:SHANGHAI BRANCH FUZHOU GAOYI COMM CO LTD
Optical projection measurer for external diameter of large wheel diameter
Owner:WUHAN UNIV OF TECH
Fingerprint imaging module and forming method thereof, fingerprint imaging module mother board and electronic equipment
ActiveCN110457978AIncrease light intensityImprove the uniformity of light intensity distributionPrint image acquisitionImaging qualityComputer science
The invention discloses a fingerprint imaging module and a forming method thereof, a fingerprint imaging module mother board and electronic equipment. The fingerprint imaging module comprises a substrate; a light-emitting structure layer, wherein the light-emitting structure layer is located on one surface of the substrate; a pixel array, wherein the pixel array is located on the light-emitting structure layer. Light rays generated by the light-emitting structure layer form sensing light carrying fingerprint information on a sensing surface after transmitting the pixel array, and the pixel array collects the sensing surface to obtain a fingerprint image. The light-emitting structure layer and the pixel array are sequentially stacked on the same surface of the substrate. Therefore, the light source for generating the light and the base layer of the image sensor for collecting the sensing light are realized, the light path for obtaining the fingerprint image light is shortened, and the thickness of the fingerprint imaging module is reduced, so that the aims of improving the integration degree of the device and improving the imaging quality are fulfilled.
Owner:SHANGHAI OXI TECH
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