953 results about "Polarised light" patented technology

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 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 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 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.

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.)

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 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.

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.

The utility model belongs to the technical field of lamps, solves the problem that the glare phenomenon of an LED lamp strip in the prior art causes different degrees of damage to vision, and provides an anti-glare polarized light optical lamp strip and a lighting device. Comprising a dimming part, a light source, a shell and an anti-dazzle layer, the dimming part and the anti-dazzle layer are sequentially installed in an inner cavity of the shell in the height direction of the shell, the light source is installed in the dimming part, the anti-dazzle layer is located on the light emitting direction side of the dimming part, and the dimming part is fixed in the shell in an abutting and clamping mode. And the edge of the anti-dazzle layer is matched with the second clamping part, so that the anti-dazzle layer is clamped in the shell. According to the utility model, the anti-dazzle layer is arranged in the light emitting direction of the lamp strip shell, so that the dazzle influence of a light source on the environment is weakened; meanwhile, the dimming piece is directly arranged between the anti-dazzle layer and the light source, the light source is subjected to secondary optical adjustment by combining the small angle of the light source with the light transmitting piece in a specific shape, various small-angle polarization control is achieved, and the small angle of the light source is achieved.

The utility model discloses a visual system, which comprises a lens barrel, and a first lens, a reflective polarizing element, a quarter-wave plate, a second lens, a third lens and a partial reflection element which are assembled in the lens barrel and are sequentially arranged from a first side to a second side along an optical axis, the second lens has positive focal power and a plano-convex surface type, and the second side surface of the third lens is a convex surface; a first spacing element is arranged between the first lens and the second lens, and a second spacing element is arranged between the second lens and the third lens. The curvature radius R1 of the first side face of the first lens and the outer diameter D0s of the end face of the first side of the lens barrel meet the condition that R1 / D0s is larger than or equal to 1.37 and smaller than or equal to 1.80. The outer diameter D1s and the inner diameter d1s of the first side face of the first spacing element and the center thickness CT1 of the first lens meet the condition that (D1s-d1s) / CT1 is larger than or equal to 0.14 and smaller than or equal to 2.04. The axial distance EP01 from the first side end face of the lens barrel to the first side face of the first spacer element, the maximum thickness CP1 of the first spacer element and the axial distance EP12 of the first spacer element and the second spacer element satisfy 0.99 < = (EP01 + CP1) / EP12 < = 2.47.

The utility model discloses a visual system. The visual system comprises a first lens cone and a second lens cone which are sequentially arranged from a first side to a second side along an optical axis, and a first lens group and a second lens group which are respectively supported on the two lens cones, the first lens group sequentially comprises a first lens, a reflective polarizing element and a quarter-wave plate, and the second lens group sequentially comprises a second lens, a partial reflection element and a third lens; the focal power of the first lens and the second lens is positive, the surface types of the first lens and the third lens are convex and concave-convex respectively, and the second side surface of the second lens is a convex surface; the second lens and the third lens are glued; the second lens group can move along the optical axis to be close to or far away from the display on the second side, so that the system is switched between the first state and the second state; the visual system satisfies the following conditional expressions: 0.33 < = (fz / f23) * (La / Lb) < = 1.10 and 0.75 mmlt; (dbs / dam) * [delta] flt; and the thickness is 1.95 mm.

The invention relates to a micro-fluidic chip pour point depressant intelligent screening and optimizing device and method integrating multi-parameter detection, and the micro-fluidic chip pour point depressant intelligent screening and optimizing device integrating multi-parameter detection comprises an experiment module, a data acquisition module and a data analysis and control module, the experimental module comprises a power area, a conveying area, a temperature control area, an imaging area and a recovery area, the imaging area comprises a polarizing microscope and a micro-fluidic chip, the micro-fluidic chip comprises a sample introduction channel, a storage chamber, a micro-mixing chamber, a wax precipitation chamber and a temperature control system, and the micro-mixing chamber realizes efficient mixing of a pour point depressant and crude oil; the wax precipitation chamber simulates the complex flow state environment of a real oil pipeline, a wax crystal morphology observation area, a wax crystal motion behavior observation area and a wax crystal dynamic behavior observation area are arranged, the wax crystal flow state is observed, and wax crystal dynamic parameters are collected; through dynamic time sequence modeling of LSTM and strategy gradient optimization of PPO, efficient dynamic adjustment of a pour point depressant formula is realized.

To obtain an optical laminate excellent in suppressing coating unevenness.SOLUTION: The optical laminate includes, in this order, a first substrate layer, a first liquid crystal retardation layer, a first adhesive layer, a second liquid crystal retardation layer, and a second substrate layer. At least one of the first liquid crystal retardation layer and the second liquid crystal retardation layer contains an F atom and / or an Si atom, and the total atomic concentration of the F atom and the Si atom on the surface of the at least one liquid crystal retardation layer on the first adhesive layer side is higher than the total atomic concentration of the F atom and the Si atom at a position 10 nm from the surface on the first adhesive layer side in the lamination direction of the optical laminate in the liquid crystal retardation layer.SELECTED DRAWING: Figure 1

Embodiments of the present application relate to the display field, and particularly relate to a display module and a display device. The display module comprises: a display panel and a polarizing layer which are stacked in sequence, the display panel comprising a bending area and a non-bending area; a first optical adhesive layer located on a surface of the polarizing layer away from the display panel, the first optical adhesive layer comprising a first groove, a normal projection of the first groove on the display panel covering the bending area, and a bending-resistant material being in the first groove; and a first cover plate located on a surface of the first optical adhesive layer away from the polarizing layer, and the first cover plate having a regulating layer on a surface thereof away from the first optical adhesive layer, the regulating layer comprising a regulating material, the bending-resistant material and the first optical adhesive layer forming a boundary line, and at least part of the boundary line falling within a normal projection range of the regulating layer on the surface of the first cover plate away from the first optical adhesive layer. The embodiments of the present application are beneficial to improving the folding performance of the display module.

The invention 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 present invention proposes an optical film, the body of which comprises a quarter-wave plate functional layer, a first bonding layer, a polarizing functional layer, and a second bonding layer; the quarter-wave plate functional layer, the first bonding layer, the polarizing functional layer, and the second bonding layer are sequentially bonded layer by layer. The optical film also comprises a plurality of extensions; the hierarchical structure of the extensions is identical to that of the optical film body and is connected to the optical film body. The optical film effectively improves the interception rate of circularly polarized light and the transmittance of natural light. When the optical film is attached to the surface of an optical sensor, it effectively improves the performance of the optical sensor and the ID effect.

To provide a laminate in which occurrence of surface unevenness of a resin layer caused by an uneven structure of a peelable base material film is suppressed, when the resin layer is peeled from the base material film, a laminate with an adhesive layer, a polarizing film and a polarizing film with an adhesive layer using the same, and a method for manufacturing a polarizing film.SOLUTION: A laminate has a first resin layer, a second resin layer and a peelable base material film in this order, wherein the first resin layer contains a first resin having storage elastic modulus measured as a film with a thickness of 1 mm of 650 MPa or more and 1,700 MPa or less, and the second resin layer contains a second resin having storage elastic modulus measured as a film with a thickness of 1 mm of 10 MPa or more and less than 650 MPa.SELECTED DRAWING: Figure 1

The invention provides a reflective polarized brightness enhancement film capable of replacing a diffusion plate and a preparation method of the reflective polarized brightness enhancement film, and relates to the technical field of optical thin films. According to the reflective polarization brightness enhancement film, through the three-layer integrated design of the upper reflective polarization composite film, the middle micro-scattering dodging layer and the lower strong-scattering shielding layer, the reflective polarization brightness enhancement film can directly replace an independently-arranged diffusion plate in a liquid crystal display backlight module. Experiments prove that the reflective polarized brightness enhancement film disclosed by the invention has a relatively good shielding effect while keeping relatively high brightness. Besides, the reflection type polarized light brightness enhancement film can directly replace an independently-arranged diffusion plate in the liquid crystal display backlight module, the thickness of the backlight module can be reduced, the weight can be reduced, the material and assembly cost can be reduced, and light, thin and low-cost display product design can be achieved.

The invention discloses a display panel, a manufacturing method and 3D display equipment, relates to the technical field of display, and discloses the display panel which comprises a first polarizing film layer, a polarization converter, a liquid crystal layer, a CF substrate and a TFT substrate. The polarization converter is arranged on one side of the CF substrate; the first polarizing film layer is arranged on one side, far away from the CF substrate, of the polarization converter; the liquid crystal layer is arranged between the first polarizing film layer and the TFT substrate. The first polarizing film layer performs polarization analysis on the initial linearly polarized light from the liquid crystal layer and outputs the linearly polarized light after polarization analysis to the polarization converter; the polarization converter converts the linearly polarized light after polarization analysis into left-hand circularly polarized light and right-hand circularly polarized light which are alternately distributed in space. Therefore, the polarization converter is arranged in the display panel, the polarization state of the light can be completed in the display panel, crosstalk generated by a composite light path formed when the light penetrates through an external hanging structure is reduced, and the use experience of an observer is improved.

A display device can include a lower substrate having a plurality of rigid areas and a malleable area enclosing the plurality of rigid areas, a plurality of first plate patterns disposed on the plurality of rigid areas of the lower substrate, a plurality of light emitting diodes disposed on the plurality of first plate patterns, and a polarization plate disposed on the plurality of light emitting diodes and including a plurality of polarization patterns and a black pattern enclosing the plurality of polarization patterns. The polarization patterns overlap the rigid areas and the black pattern overlaps the malleable area. Accordingly, the polarization plate having a black pattern is formed to improve the outdoor visibility and improve the black luminosity.

A display device includes a display unit including: a plurality of light emitting diodes; a touch unit disposed on the display unit and including a touch conductive layer of a mesh type; and a reflection preventing unit disposed on the touch unit and including a polarization layer. The touch conductive layer includes a plurality of first conductive lines extending in a first direction and a plurality of second conductive lines extending in a second direction crossing the first direction, and an angle between the second direction and an absorption axis of the polarization layer is about 5±10°.

The utility model discloses a high-reflection HUD film which comprises a base material layer, a first optical adhesive layer, a hardening layer, a bonding layer, a P polarized light reflection increasing layer and a second optical adhesive layer. The base material layer is provided with a first surface and a second surface which are oppositely arranged; the first optical adhesive layer is coated on the first surface of the base material layer; the hardening layer is coated on the second surface of the base material layer; the bonding layer is coated on the surface of the hardening layer; the P polarized light reflection increasing layer is arranged on the surface of the bonding layer in a magnetron sputtering manner; the P polarized light reflection increasing layer enables the reflectivity of P polarized light with the incident angle ranging from 45 degrees to 60 degrees to range from 45% to 60%. And the second optical adhesive layer is coated on the surface of the P polarized light reflection increasing layer. According to the high-reflection HUD film provided by the utility model, through adding the P polarized light reflection increasing layer and constructing the structure of the P polarized light reflection increasing layer, the generation of ghosting is reduced or avoided, and the reflectivity of incident light at the HUD film is improved, so that an HUD picture is clearer.