1276 results about "Polarised light" patented technology

The present invention discloses an optical module with adjustable polarization, which can be generically assembled in a lamp body assembly. The optical module with adjustable polarization includes a polarization lens body, and a hollow first cylinder and a second cylinder. One end of the first cylinder is detachably and rotatably connected to one end of the second cylinder. The polarization lens body is rotatably arranged in the inner cavity of the first cylinder. The polarization lens body is provided with a guiding and positioning portion at the edge perpendicular to the rotation axis. The second cylinder is provided with an inclined guiding slot hole, and the guiding and positioning portion is slidably connected with the guiding slot hole. The second cylinder is provided with a first engaging portion for detachably and rotatably connecting with the lamp body assembly. The present invention utilizes the first engaging portion on the second cylinder to assemble the optical module on the lamp body assembly, so that by rotating the first cylinder and the second cylinder, the polarization lens body can be deflected and rotated, enabling the light to be deflected by the polarization lens body and changing the irradiation angle, thereby realizing the adjustment of polarization in a limited space and completing the change of optical effects.

The invention discloses an alanine aminotransferase detection device and method based on a liquid crystal microcavity array, and belongs to the field of optical sensing. The device comprises a functional liquid crystal microcavity array, an excitation optical fiber and a collection optical fiber, the microcavity array is composed of liquid crystal microcavities doped with fluorescent dye and stearic acid, and the multiple microcavities are independently distributed and serve as optical sensing units; the excitation optical fiber is used for synchronously exciting the microcavity to generate an echo wall mode, and the acquisition optical fiber acquires resonance spectrum signals of each channel in real time; the functionalized liquid crystal microcavity is converted into a bipolar configuration from a radial configuration in an enzymatic reaction, echo wall mode spectrum red shift is caused, spectrum shift time is in negative correlation with enzyme concentration, and dual-channel detection is realized by matching with conversion time of a polarized light pattern. According to the detection structure based on the liquid crystal microcavity array provided by the invention, high-flux, real-time and label-free rapid detection on the concentration of alanine aminotransferase can be realized.

The invention relates to a lithology identification method based on rock slice single polarized light image and orthogonal polarized light image feature fusion, and the method comprises the steps: S1, collecting a rock slice single polarized light image and an orthogonal polarized light image, carrying out the preprocessing, carrying out the lithology marking, and building a rock image data set; s2, constructing a lithology identification model, including taking WTConvNeXt-Inception as a backbone network to extract features, performing feature fusion of a single polarized light image and an orthogonal polarized light image by a cross attention mechanism, and classifying the spliced features; and S3, inputting a rock image to be identified into the trained lithology identification model, and outputting a lithology identification result. Aiming at the problem of low lithology identification accuracy, the invention proposes the feature fusion of the single polarized image and the orthogonal polarized image to establish a lightweight model, realizes the rapid, accurate and full-automatic identification of the rock slice image, and effectively improves the lithology identification accuracy.

The utility model relates to an LCOS (Liquid Crystal On Silicon) projection device, which comprises a light source module capable of emitting red, green and blue light beams, a polarization filter and an imaging lens which are sequentially arranged along a projection light path, an LCOS chip capable of modulating the polarization state of incident light is arranged on a projection light path between the polarization filter and the imaging lens, and an imaging lens group capable of imaging the incident light onto the LCOS chip is arranged on a projection light path between the light source module and the polarization filter. And a polarization layer capable of transmitting P polarized light and reflecting S polarized light is arranged on the polarization filter. Compared with a polarizing prism applied to a traditional LCOS projection light path, the LCOS projection light path has the advantages that through the arrangement of the polarizing filter and the polarizing layer which is arranged on the polarizing filter and can transmit P polarized light and reflect S polarized light, the LCOS projection light path has higher polarization efficiency, stray light is reduced, and optical efficiency is improved.

The utility model discloses a visual system which comprises a lens cone, a lens group and a spacing element group, wherein the lens group and the spacing element group are assembled in the lens cone; the lens group comprises a first lens with positive focal power, a reflective polarization element, a first quarter-wave plate, a second lens with positive focal power, a third lens with negative focal power, a partial reflection element and a second quarter-wave plate which are sequentially arranged from the first side to the second side along the optical axis. The fourth lens has negative focal power; the spacing element group comprises a first spacing element, a second spacing element, a third spacing element and a fourth spacing element; wherein the number of the lenses with focal power in the lens group is four; the effective focal length f1 of the first lens and the effective focal length f of the visual system satisfy 1.5 lt; f1 / flt; 1.9); the combined focal length FG1 of the first lens, the reflective polarizing element and the first quarter-wave plate and the inner diameter d1s of the first side surface of the first spacing element meet the following conditions: 2.35 lt; fG1 / d1slt, FG1 / d1slt; and 2.75%.

The invention provides a visual system. The visual system comprises a lens cone, a lens group and a spacing element group, the lens group and the spacing element group are arranged in the lens cone, and the lens group is composed of four lenses, a polaroid, a reflective polarizing element, a quarter-wave plate and a reflective element. The four lenses are sequentially a first lens with positive focal power, a second lens with negative focal power, a third lens with negative focal power and a fourth lens with positive focal power from the first side to the second side; f23 / d3s is more than or equal to-9.75 and less than or equal to-8.72; f / (CP1 + EP13) is more than 5.00 and less than 5.40. The problem that stray light is serious due to the fact that a four-piece type visual system in the prior art is provided with a bonding lens and a reflecting part to meet the requirement for structure compactness is solved.

The utility model discloses an optical imaging system. The optical imaging system comprises a lens cone, an imaging group and a second spacing element, wherein the imaging group and the second spacing element are arranged in the lens cone. The imaging group sequentially comprises a linear polarization film, a reflective polarization element, a quarter-wave plate, a first lens, a second lens, a third lens, a fourth lens and a partial reflection layer from the first side to the second side along the optical axis; wherein the first lens and the second lens are glued, and the third lens and the fourth lens are glued. The second spacer element is disposed on the second side of the second lens and is in contact with the second side of the second lens. Wherein the outer diameter D0m of the second side end face of the lens barrel and the outer diameter D2m of the second side face of the second spacing element meet the condition that D0m-D2m is larger than or equal to 4.51 mm and smaller than or equal to 5.8 mm; the inner diameter d2m of the second side surface of the second spacing element, the inner diameter d2s of the first side surface of the second spacing element, and the axial distance T23 from the second side surface of the second lens to the first side surface of the third lens satisfy the following formula: (d2m-d2s) / T23 is greater than or equal to 0.97 and less than or equal to 2.79.

The invention provides a 2-micron high-order Poincare sphere vector vortex ultrafast laser polarization detection method, which comprises the following steps of: performing out-cavity and out-cavity beam splitting on 2-micron high-order Poincare sphere vector vortex ultrafast laser through a beam splitting module, directly detecting light intensity spatial distribution by one beam, and dynamically regulating and controlling the out-cavity of a polarization state by the other beam after the other beam enters a polarization regulation and control module; the computer communicates with the ESP32 development board to control the hollow rotary displacement table to change the forward included angle between the fast axis and the x axis of the vortex quarter-wave plate so as to change the polarization state of incident light; through the ultrafast laser polarization beam splitter, the polarization state of passing light is limited, and horizontal line polarized light perpendicular to a beam splitting surface passes through the ultrafast laser polarization beam splitter; dynamically detecting real-time data of light intensity which is dynamically adjusted outside the cavity through the polarization regulation and control module each time through a light intensity detection module; and the polarization analysis module receives regulation and control parameters of the polarization regulation and control module and light intensity parameters of the power detection module, analyzes the polarization state of a light beam input into the system, and completes 2-micron high-order Poincare sphere vector vortex ultrafast laser polarization detection.

The utility model discloses an optical system. The optical system sequentially comprises a first lens, a reflective polarizing element, a first quarter-wave plate, a second lens, a third lens, a partial reflection element, a second quarter-wave plate, a polarizing film and a fourth lens from a first side to a second side along an optical axis, the first lens has positive focal power, and the first side surface of the first lens is a convex surface; the second lens has negative focal power, the first side surface of the second lens is a plane, and the second side surface is a concave surface; the second side surface of the third lens is a convex surface; the first side surface of the fourth lens is a plane; the effective focal length f1 of the first lens and the effective focal length f2 of the second lens meet the following formula:-0.7 lt; f1 / f2lt; -0.15, < = 0.15; the combined focal length fz2 of the second quarter-wave plate, the polaroid and the fourth lens and the curvature radius R8 of the second side face of the fourth lens meet the condition that fz2 / R8 is larger than or equal to-2.0 and smaller than or equal to-1.5.

The invention discloses a layered liquid crystal electrolyte based on a dynamic self-assembly strategy and a preparation method and application thereof, and belongs to the technical field of new energy materials, and the preparation method comprises the following steps: uniformly mixing dodecyl non-glycol ether and n-decanol according to a mass ratio, heating and centrifuging to a homogeneous phase to obtain a mixed element; dropwise adding a zinc chloride aqueous solution into the mixed element, carrying out vortex mixing, and centrifuging to remove bubbles; placing the sample in a constant-temperature environment for standing, and screening a phase region with anisotropic characteristics through a polarizing microscope; and continuously carrying out constant-temperature self-assembly on the screened sample, and representing the lamellar liquid crystal structure through a polarized optical microscope and small-angle X-ray scattering. A two-dimensional layered liquid crystal structure is constructed through synergistic self-assembly of the surfactant and the solvent, a zinc ion source is provided in combination with the zinc chloride aqueous solution, and the ion transmission efficiency and the thermal stability are remarkably improved.

The invention discloses a method for segmenting different strata series of stratified shale and identifying oiliness, and belongs to the field of oil-gas exploration. The invention discloses a strata division method based on XRF (X-Ray Fluorescence) mineral scanning and single polarization-fluorescence-laser confocal optical lens combined observation, which realizes accurate identification and segmentation of micron-sized strata boundaries of a layered rock core sample from different scales, and performs group component extraction on segmented independent strata. And carrying out chromatography-mass spectrometry analysis and FT-ICR MS analysis on the extracted saturated, aromatic, non-aromatic, leached and other family components. The TSF spectrum, light and heavy components, biomarker compounds, non-hydrocarbon compounds and other data obtained through the experiments are comprehensively analyzed, layering scale oiliness difference quantification and oil source comparison are achieved, and the shale oil micro-migration phenomenon is determined. The influence of the heterogeneity of the layered rock core sample on a result obtained by a traditional analysis method is overcome. According to the technology, direct evidences are provided for accurate prediction of shale oil desserts, exploration risks are reduced, and economic benefits are improved.

The present application provides a display module and a display device. The display module is provided with optical transparent resin in a first via hole of a polarizing layer, and the optical transparent resin is cured after a cover plate and the polarizing layer are attached to each other. In this way, the via hole of the polarizing layer is fully filled using the optical transparent resin in a fluid state before cured, preventing a display panel from collapsing due to a void in the via hole.

The invention belongs to the field of infusion monitoring, and particularly relates to a target container liquid level visual detection and early warning method and system.The method comprises the steps that an enhanced image and a three-dimensional point cloud sequence are obtained by collecting a target container deformation image, a three-dimensional point cloud and flexibility attribute data and conducting polarized light enhancement preprocessing; obtaining a deformation feature space and a deformation liquid level line feature sequence of the target container at different time points by means of a spatial-temporal feature extraction model, and constructing a three-dimensional dynamic deformation model in combination with three-dimensional modeling, finite element analysis and a NeoHookean model; based on the model, an undeformed standard model and a simulation algorithm, obtaining a correlation mapping function of the liquid level line deviation and a deformation characteristic space; the correlation mapping function is fed back to the spatial-temporal feature extraction model, the height and coordinates of the corrected deformation-free liquid level line are obtained in combination with the real-time target container deformation image, real-time monitoring and early warning in the infusion process are finally achieved in combination with a preset early warning rule, and the accuracy and reliability of infusion monitoring are improved.

The invention relates to the technical field of optical element surface shape dynamic measurement scheme design, in particular to an element surface shape dynamic measurement system based on a metasurface. According to the scheme, polarized light emitted by a laser is split into reference light and test light, the test light passes through a quarter-wave plate twice to realize polarization orthogonalization, and the test light is combined with the reference light to form elliptically polarized light; synchronously capturing component intensities of left-handed / right-handed circular polarized light and orthogonal line polarized light by using a detector, and resolving a phase difference delta in real time by combining a Stokes parameter; environmental interference is eliminated based on a common-path design, a polarization beam-splitting element is omitted, and the architecture is simplified; accurate dynamic measurement of the surface shape of the measured piece is realized by deducting the inherent surface shape error of the system. The system provided by the invention has the advantages of strong anti-interference performance, high measurement efficiency, remarkable cost reduction and the like, and is suitable for precise optical manufacturing and on-line detection scenes.

The invention discloses an electric orthogonal polarization synchronous control system of a geological microscope. The electric orthogonal polarization synchronous control system comprises six modules including a stokes parameter dynamic sensing unit based on multi-dimensional space vector transformation and a polarization mode dispersion feature extraction unit fusing adaptive weight distribution. The system captures original signals of polarized light through a high-frequency sampling circuit, generates corresponding compensation parameters according to actual parameters of the geological microscope through feature extraction and parameter calculation, generates driving signals in combination with dynamic threshold adjustment, drives an electric polarization component, and ensures control accuracy through closed-loop feedback adjustment. And each unit is also subdivided into functional subunits, such as mapping model updating, threshold acquisition and the like, so that self-adaptive optimization is realized. The multi-modal data interaction and cooperative control unit guarantees data interaction and overall cooperation of all the modules, the system solves the problems that traditional manual adjustment is low in efficiency and poor in precision, and an existing automatic system is insufficient in polarization mode dispersion processing, and the observation performance of the geological microscope is improved.

The invention discloses an anti-adhesion polaroid manufacturing process in the technical field of polaroids, and the anti-adhesion polaroid manufacturing process comprises the steps that a PMMA film containing smooth particles is prepared, the PMMA film comprises a base material face and a primer face opposite to the base material face, and the base material face and the primer face form a uniform microscopic protruding structure through the smooth particles; compounding the PMMA film with a stretched and dyed PVA film through a photocuring adhesive laminating process to form a polarizing film comprising the PVA film, the PMMA film and a TAC film; coating a pressure-sensitive adhesive on the surface of the compounded polarizing film, and compounding a protective film and a release film; according to the manufacturing process, the steps of attaching and tearing off the PE protective film are omitted; according to the invention, the uniformly distributed AB smooth particles form a protruding structure to reduce the friction coefficient, and the steps of attaching and tearing off the PE protective film are omitted, so that the production cost is effectively reduced, the production efficiency is improved, the abnormal gluing is avoided, and the practical value is remarkable.

This polarizing film containing a base material is characterized in that the base material includes an azo compound represented by formula (1) or a salt thereof (compound A), and an azo compound represented by formula (2) or a salt thereof (compound B). (In formula (1), X1 represents an amino group which may have a substituent, a phenylamino group which may have a substituent, a naphthylamino group which may have a substituent, a benzoylamino group which may have a substituent, or a naphthotriazole group which may have a substituent, Q1 and R1 to R4 each independently represent an optional substituent, and m represents an integer of 1 to 3.) (In formula (2), X2 represents an amino group which may have a substituent, a phenylamino group which may have a substituent, a naphthylamino group which may have a substituent, a benzoylamino group which may have a substituent, or a naphthotriazole group which may have a substituent, Q2 and R5 to R8 each independently represent an optional substituent, R9 represents a hydrogen atom or a methyl group, and n represents an integer of 1 to 3.)

A polarizing plate and an optical display device including the same are provided. The polarizing plate includes: a polarizer; and a first optical functional layer and a second optical functional layer sequentially stacked on one surface of the polarizer in the stated order, in which the first optical functional layer includes anisotropic particles including needle-shaped particles aligned in an in-plane direction of the first optical functional layer; assuming that the light absorption axis of the polarizer is 0 DEG, the orientation angle of the needle-like particles defined between the longitudinal direction of the needle-like particles and the light absorption axis of the polarizer has an average value of-10 DEG to + 10 DEG and a standard deviation of 15 DEG or less; and the second optically functional layer includes a cured product of a composition including an actinic radiation curable resin.

The utility model discloses a distributed sound wave sensing system for multi-frequency pulse modulation, and relates to the technical field of distributed sound wave sensing. The system comprises a narrow linewidth laser, an optical fiber coupler, a polarization-maintaining optical isolator, an acousto-optic modulator, a polarization-maintaining delay optical fiber, an erbium-doped optical fiber amplifier, a polarization-maintaining dense wavelength division multiplexer, an optical fiber circulator, an optical fiber Bragg grating, a piezoelectric transducer, a polarization controller, a photoelectric balance detector, a data acquisition card, an arbitrary waveform generator and the like. According to the utility model, the multi-frequency delay ring is utilized to carry out multi-frequency modulation, the frequency number of light waves is increased along with the circulation times of the light waves in the delay ring, and under the condition that the utilization of a large-bandwidth electro-optical modulator is not increased, the flexible modulation of the frequency is realized by utilizing a low-bandwidth acousto-optical modulator without being influenced by carrier frequency and sidebands of each order; the low-bandwidth acousto-optic modulator is used for frequency modulation in the multi-frequency delay ring, and compared with an electro-optical modulation or multi-acousto-optic / multi-light source modulation scheme, the modulation cost is effectively saved.

The utility model relates to a 3D display technology, in particular to a high extinction ratio linear polarized light Micro-LED, which comprises an unetched area and a table top, silicon dioxide passivation layers are deposited on the top of the unetched area, the outer side wall of the table top and the top of the table top, the periphery of the top of the table top is provided with an abdicating step on the silicon dioxide passivation layer, and the abdicating step is arranged on the outer side wall of the table top. According to the utility model, the silicon dioxide passivation layers are deposited on the top of the non-etched area, the outer side wall of the table top and the top of the table top, and then the abdicating step is formed on the periphery of the top of the table top after silicon dioxide passivation, so that the top of the ITO layer is covered with the silicon dioxide passivation layer, and the preparation of the silicon dioxide transition layer is completed without additional process; and the silicon dioxide layer can also play a role of an antireflection film, so that the light transmittance is increased, and the luminous efficiency of the linearly polarized Micro-LED is improved.

The utility model relates to the technical field of optics, is used for solving the problem that display of a display screen is in a gray white shape when the screen is turned off, and provides a display screen which comprises a display layer, a touch layer / cover plate layer and an optical rotation integrated black composite film arranged between the display layer and the touch layer / cover plate layer and used for the display screen. The optical rotation integrated black composite film for the display screen comprises a quarter-wave plate layer, a polaroid layer and an adhesive layer which are sequentially arranged in a stacked mode, the quarter-wave plate layer is arranged on the light emitting side of a display layer in an attached mode, and the adhesive layer is arranged on the inner surface side of a touch layer / cover plate layer in an attached mode; ambient light is converted into first linear polarized light through the polaroid layer during incidence; the polarized light is converted into left-hand circularly polarized light or right-hand circularly polarized light through the quarter-wave plate layer; when the ambient light is emitted, the ambient light is reflected and converted into reverse right-handed circularly polarized light or left-handed circularly polarized light through the display layer; the second linear polarized light is converted into second linear polarized light through the quarter-wave plate layer and is blocked by the polaroid layer, so that the display screen displays integrated black after the screen is turned off.

Methods and systems for obtaining biochemical and / or structural information relating to tissues using Raman spectroscopy. Polarised light is directed to tissue using a probe. The light is reflected from the tissue, producing Raman scattering. The Raman scattering is collected by the system and split into two polarised components. The two polarised components are simultaneously imaged using a spectrometer to produce two Raman spectra. The Raman spectra are then processed and analysed using a computer program to obtain biochemical and / or structural information relating to the tissue.

The invention relates to the technical field of material analysis, in particular to a light microscope-field emission electron microscope combined shale rock slice analysis and identification method, which comprises the following steps of: firstly, combining a brightness distribution condition represented by a bright field image of a shale rock slice and a birefringence deviation condition represented by a cross polarization image from an optical angle; determining a mineral discrimination index representing an atomic number agent; applying offsets of different sizes based on the distribution condition of mineral discrimination indexes and the surface fluctuation condition of shale rock slices, and determining a position offset vector by combining gray scale gradient distribution on the basis; and finally, determining the cross-scale positioning and more accurate electron microscope objective table coordinates corresponding to each pixel point in combination with a position offset vector in a pixel coordinate conversion process based on an image physical distance scale and rotation translation processing, so that the cross-scale positioning accuracy of the optical microscope and the field emission scanning electron microscope is higher. The reliability of analyzing and identifying the shale rock slice is obviously improved.

The utility model discloses an optical system and optical equipment comprising the same. The optical system sequentially comprises a first lens with positive focal power, a reflective polarizing element, a first quarter-wave plate, a second lens with negative focal power, a third lens with positive focal power, a partial reflection element, a fourth lens with negative focal power, a second quarter-wave plate and a polarizing film from a first side to a second side along an optical axis, the optical system further comprises a first spacing element and a second spacing element; the optical system satisfies 0.05 lt; cP1 / CP2lt; 0.75 [mu] m and-2.6 [mu] m; fG1 / (d1m + d2s) lt; cP1 is the maximum thickness of the first spacing element in the optical axis direction, CP2 is the maximum thickness of the second spacing element in the optical axis direction, FG1 is the combined focal length of the reflective polarizing element, the first quarter-wave plate and the second lens, d1m is the inner diameter of the second side face of the first spacing element, and d2s is the inner diameter of the first side face of the second spacing element.

The invention provides a device and a method for measuring the phase retardation of a micro-nano-sized wave plate, which are used for solving the problems that an existing method for measuring the phase retardation of the wave plate cannot characterize and measure the wave plate in the micro-nano size, optical detection equipment is expensive, an overall experimental measurement scheme is complicated to operate, the system universality is poor, and the measurement cost is high. And the instability of the measurement result of the measurement scheme for deducing the phase retardation of the wave plate based on the Mueller matrix is relatively high. Light emitted by the tunable light source is modulated by the integrating sphere to form unpolarized light, the unpolarized light is shaped into a planar light beam through the shaping reflection unit, and the planar light beam is normally incident to the first linear polarizer so as to emit completely linearly polarized light with different polarization angles; meanwhile, the second linear polarizer is arranged between the microscope objective and the sleeve lens, interference of factors such as light intensity jitter, system transmittance and wave plate rotation positioning precision on a measurement result is reduced by adjusting the deflection angle of the second linear polarizer, and the measurement precision is effectively guaranteed.

The invention relates to the technical field of lasers, and discloses a laser wavelength conversion device. Comprises: a polarizing lens; the half-wave plate is arranged on the incident light path of the polarized lens and connected with the electric control system, and the electric control system is used for controlling the half-wave plate to transversely move into the light path or move out of the light path or controlling the angle of the half-wave plate; the frequency doubling light path is communicated with the transmission light path or the reflection light path of the polarized lens; the fundamental frequency light serves as an incident light beam, and when the electric control system controls the half-wave plate not to transversely move into the light path, the fundamental frequency light enters the polarization lens in a vertical line polarization state and is reflected into the first frequency doubling light path, and frequency doubling light with the corresponding wavelength is output; when the electric control system controls the half-wave plate to transversely move into the light path, the polarization state of the fundamental frequency light is changed, the fundamental frequency light enters the polarization lens in a horizontal line polarization state and is transmitted into the next-stage light path, and if a subsequent half-wave plate and the polarization lens are arranged in the next-stage light path, the electric control system further controls the subsequent half-wave plate to transversely move into the light path or adjusts the angle. And outputting the frequency-doubled light with the corresponding wavelength.

To provide a polarizing film with an adhesive layer, which can solve a problem of decrease in a yield, can impart a sufficient function of blocking UV rays even when a polarizing film is thin, and can suppress curling, and to provide an image display device using the polarizing film with an adhesive layer.SOLUTION: A polarizing film 1 with an adhesive layer is to be used on a visible side of an image display part in an image display device; and the polarizing film 1 with an adhesive layer includes a polarizing film 5 and adhesive layers 2a, 2b on both surfaces of the polarizing film 5. The polarizing film 5 includes a polarizer 4 and transparent protective films 3a, 3b on both surfaces of the polarizer. The transparent protective film 3a on a visible side of the polarizer 4 has a transmittance of less than 6% at a wavelength of 380 nm; and the adhesive layer 2a on a visible side of the polarizing film 5 has an ultraviolet absorption function.SELECTED DRAWING: Figure 1

A system and method for performing virtual birefringence imaging and virtual staining (e.g., Congo red) of label-free human tissue is disclosed to show that a single trained neural network can rapidly transform autofluorescence images of label-free tissue into brightfield and polarized microscopy images, matching their histochemically-stained versions. Blind testing with quantitative metrics and pathologist evaluations on cardiac tissue showed that the virtually stained polarization and brightfield images highlight amyloid patterns in a consistent manner, mitigating challenges due to variations in chemical staining quality and manual imaging processes in the clinical workflow.

The spreadlight lens of the court lamp comprises a lens substrate applied to a lamp, a plurality of lenses are arranged on the lens substrate in a protruding mode, the two ends of each lens are the incident end and the emergent end respectively, and the emergent end is divided into a first light-transmitting body and a second light-transmitting body from top to bottom. Wherein the back face of the first light-transmitting body sinks inwards to form a light inlet cavity used for containing a light source, a reflecting groove is formed in the back face of the first light-transmitting body, a reflecting face is arranged on the side wall, close to the light inlet cavity, of the reflecting groove, and the reflecting face is used for reflecting light rays projected to the reflecting face through the light inlet cavity. The convex light-transmitting bodies are arranged on the lens, light rays emitted by a light source can enter the convex light-transmitting bodies to be refracted and diffused to be more uniform, meanwhile, the reflecting surfaces are arranged in the convex light-transmitting bodies, total reflection of the light rays entering the light-transmitting bodies can be achieved, light waste is reduced, and glare is reduced.