48results about How to "Resolve reflection" patented technology

The invention provides a surface plasma wave demultiplexer based on destructive interference, which mainly solves the problem that the transmission efficiency of the existing surface plasma wave demultiplexer is lower. The surface plasma wave demultiplexer based on the destructive interference comprises metal layers arranged at two sides of a medium layer; a plurality of coupled output resonant cavities are formed in the metal layer at one side of the medium layer; each coupled output resonant cavity is correspondingly provided with an outgoing channel; each outgoing channel is arranged at one side of the metal layer away from the medium layer and is symmetrical to the center of the coupled output resonant cavity. The structure of the surface plasma wave demultiplexer provided by the invention has stronger effects of light bondage, can break through the limitation of diffraction limit, and can transmit light in a nanometer scale; the surface plasma wave demultiplexer can be effectively connected with electronic apparatuses and conventional photon devices in a matching way, so that the reflection problem of the optical signal is effectively solved, and the surface plasma wave demultiplexer has wide application prospects in optical communication, optical integration, optical information processing and the like.

The invention provides an efficient and relatively-high-precision quantum molecular dynamics model for initiation of an energetic material under the shock wave guide condition.The model adopts a direct dynamics simulation method, that is, a potential energy surface is not pre-constructed, energy of a system and force acting on nucleuses are calculated once being used.Acting force among atoms and electronic structure information are calculated by adopting a charge self-consistent density functional based tight-binding method (DFTB), and shock waves are described by selecting a multiscale approximation method.A stimulation result outputs the movement rule and physical state information such as the temperature, the size and the pressure of the atoms.According to the method, an early theoretical prediction and a scientific basis can be supplied to improvement of the energetic material and screen, design, optimization and the like of a novel energetic material.

An OLED display device includes a substrate, an active element array, at least one OLED, a light absorption layer or an optical scattering layer, and an encapsulation plate. The substrate includes anupper surface and a lower surface opposite to the upper surface. The active element array is configured in the side of the upper surface of the substrate. The OLED are disposed over the active array substrate. The OLED includes a first electrode, a second electrode, and an organic light-emitting layer. The first electrode is disposed in a side adjacent to the active element array, and the second electrode is opposite to the first electrode. Both the first and second electrodes have a high transmittance and a low reflection in a wavelength range of visible light. The organic light-emitting layer is interposed between the first and second electrodes. The light absorption layer or optical scattering layer is disposed between the OLED and the substrate. The encapsulation plate is disposed overthe second electrode. Thus, the OLED display device can solve the problem of reflection of ambient light to creation extent, and the light emitting efficiency of the OLED display device can be improved.

The invention discloses a device and a method for checking electrotype intaglios. The intaglios of an electrotype are pit-shaped stripes formed by recessing the electrotype, and two walls of each pit-shaped stripe form diffusely reflecting surfaces. The device is characterized by comprising a camera arranged above the electrotype and a light source module, wherein light rays emitted by the light source module form an included angle with the electrotype, so that the light rays falling on the surface of the electrotype can not enter a lens of the camera after reflection, and images are dark; and light rays falling on the intaglios can be reflected into the camera, and the intaglios of different depths form images of different gray scales. By using the checking device and the method, the amplified intaglio images having a certain three-dimension effect can be shown on a computer display, thereby solving the problem on the mirror reflection of the electrotype and obtaining the electrotypeintaglio images having a distinct three-dimension effect to meet requirements for checking the electrotype.

An organic light-emitting diode (OLED) display device includes an active array substrate, at least one OLED, and an encapsulating plate. The active array substrate includes a light absorption layer and at least one active element. The active element is disposed on the light absorption layer. The OLED is disposed on the active array substrate. The OLED includes a first electrode, a second electrodeand an organic light-emitting layer. The first electrode is disposed adjacent to the active element, and the second electrode is opposite to the first electrode. Both the first and second electrodeshave a high transmittance greater than 0.6 and a low reflection in a wavelength range of visible light. The organic light-emitting layer is interposed between the first and the second electrodes. Theencapsulating plate is disposed over the OLED. The first and second electrodes are made of a material of low reflection rage and high transmittance, and the light absorption layer is used to reduce and eliminate an original optical reflection phenomenon, and the daylight contrast of the OLED display device is more obvious.

The invention discloses an SIW planar filter. The SIW planar filter include a top metal foil, a dielectric plate and a bottom metal foil, the left side of the top metal foil is provided with a left port microstrip lead-out line, A right port microstrip lead-out line is arranged on the right side and the left port microstrip lead-out line and the right port microstrip lead-out line are offset withrespect to the horizontal centerline, a plurality of first metal vias are arranged around the top metal foil, A left metal via hole is arranged on that left side of the center of the top metal foil and a right metal via hole is arranged on the right side, the vertical center line of the top metal foil is provided with a plurality of medium metal vias, The surface of the top metal foil is providedwith a left gap groove, a right gap groove, an upper left metal via hole and an upper right metal via hole, a first metal via hole, a left metal via hole, a right metal via hole, a medium metal via hole, an upper left metal via hole and an upper right metal via hole penetrating the dielectric plate and the bottom metal foil. The invention has the advantages of small volume, light weight, small signal transmission loss, low insertion loss and high echo loss, and improves the transmission performance.

Disclosed is structure of a photodiode, which is capable of making a light receiving area get a large caliber. The photodiode includes a light receiving area having a junction structure of a compound semiconductor for photoelectric conversion; a first electrode having a net structure Ohmic-contacted to a light input region on one side of the light receiving area; and a second electrode formed on the other side of the light receiving area in correspondence to the first electrode.

The embodiment of the invention relates to a polaroid and a display device. The polaroid is suitable for the bendable display device, and can comprise a linear polarizing layer which is used for converting ambient light into linearly polarized light, a squint angle compensation layer arranged opposite to the linear polariziing layer, and having an orthographic projection area at least covering thebending area of the display device, and a positive visual angle compensation layer arranged between the linear polarizing layer and the squint angle compensation layer. According to the scheme of theembodiment of the invention, the phase difference compensation can be performed on the light of the positive viewing angle and the oblique viewing angle when the bendable display device is bent through the use of the positive visual angle compensation layer and the squint angle compensation layer, the problem of ambient light reflection in a bent area is effectively solved to a certain extent, and the overall display effect of the display device is further improved.

The invention relates to a light intensity distribution analogy method of a heavy-rubber ultraviolet light oblique incidence back etching process, which aims to solve the problem that the traditional light intensity distribution analogy method based on a scalar diffraction theory can not simulate the light intensity distribution of an SU-8 rubber ultraviolet light oblique incidence back etching process currently. A method which meets the following two conditions can be regarded as the light intensity distribution analogy method of the SU-8 rubber ultraviolet light oblique incidence back etching process: a. a paraxial approximation technology with ultraviolet light oblique incidence is used to process a Fresnel-Kirchhoff diffraction integral equation based on the scalar diffraction theory and a light intensity computation model suitable to the SU-8 rubber ultraviolet light oblique incidence back etching process is put forward; and b. the light intensity computation model of back oblique incidence ultraviolet light comprehensively considers the reflection and refraction of the back oblique incidence ultraviolet light in air/ mask plate, mask plate/ SU-8 rubber interface, decay of the back oblique incidence ultraviolet light in SU-8 rubber and other factors, and precisely simulates the light intensity distribution of the SU-8 rubber ultraviolet light oblique incidence back etching process.

The invention provides a nonmetallic material defect detecting device and method. The device comprises an excitation source and an infrared thermal imager. The excitation source and a lens of the infrared thermal imager form a preset included angle. The excitation source is used for providing infrared light illuminating the surface of a nonmetallic sample. The infrared thermal imager is used for obtaining an infrared thermal image on the surface of the nonmetallic sample. Through the device, nonmetallic material defect detection is conducted, and the unevenness of radiation of the excitation source on the tested sample is reduced; meanwhile, the reflection problem of the excitation source on the surface of the tested sample is solved, the nonmetallic material defect detection accuracy andsensitivity are improved, and the false drop rate and omission rate are reduced.

The invention discloses a lateral-entering red, green and blue COB light source device with light condensers and without a light guide plate. The light source device comprises the light condensers, supports, a diffusion light plate, a diffuse reflection backboard and frame plates, the light condensers are mounted on a frame at intervals, one support is fixed on the surface of each of two ends of the diffusion light plate, the frame plates are mounted on the supports, and the diffuse reflection backboard is mounted at the tops of the frame plates. Each light condenser mainly comprises a plurality of LED light sources, a light source support, an optical fiber lens, an outer reflection face and an inner reflection face, each optical fiber lens and the corresponding LED light sources are fixedat the surface center of the cylindrical light source support, each LED light source is positioned in the corresponding optical fiber lens, each outer reflection face is fixed at the surface edge ofthe corresponding light source support, and each inner reflection face is fixed on the surface of the corresponding optical fiber lens. By applying an LED surface light source with the light condensers and without the light guide plate, light effect is improved, the problem that the light guide plate is high in weight and cost is solved, and thermal warping of the light guide plate is avoided.

The invention provides a near-infrared nondestructive testing device for fruits. The device comprises a sample rack, a light source, a detector, an optical fiber and an optical fiber probe, wherein the sample rack is a columnar frame provided with a fruit placing table on the top; a through hole which is slightly smaller than a fruit is formed in the middle of the fruit placing table; a turbine lead screw lifter is arranged at the bottom of the frame; an optical fiber probe installation frame which is a hollow cylinder matched with the optical fiber probe in shape and with a first through slot on the side face is arranged on a lifting rod of the lifter; the width of the first through slot is greater than the wire diameter of the optical fiber; the optical fiber probe is erected on the top of the cylinder by virtue of a bump on the optical fiber probe; a hollow wedged block with a second through slot on the side face is arranged between the top of the cylinder and the bump; the hollow part of the wedged block is matched with the optical fiber probe in shape. The angle of the optical fiber is changed by way of arranging the wedged block on the optical fiber probe bracket, so that the problem that light is reflected by fruits is solved. The device provided by the invention is simple in structure, strong in practicality, low in cost and high in accuracy.

The invention provides a vehicle glass light reflection preventing device which comprises a shade cloth (1). The vehicle glass light reflection preventing device is characterized in that a set of magnets (2) are arranged on the edge of the shade cloth (1), an observation opening (3) is formed in the shade cloth (1), and a joint cloth (1a) is further connected to one end of the observation opening (3); a support (4) is connected to the edge of the observation opening (3) and composed of a pair of support rods (4a) and a supporting frame (4b) connected with the support rods (4a); the joint cloth (1a) can be matched with the supporting frame (4b) in a covering mode. The vehicle glass light reflection preventing device is simple in structure and convenient to use, and the problem that when a vehicle runs or parks, a vehicle window reflects light can be effectively solved; particularly, the whole frame can be folded, so that the vehicle glass light reflection preventing device has the advantages of being convenient to carry and the like.

The invention relates to an RFID cigarette package box and a manufacturing method and belongs to the technical field of electronic tags. The RFID cigarette package box comprises a cigarette packet lining package (15) which comprises an emitting surface (11) and a reflecting surface (7). The emitting surface (11) and the reflecting surface (7) are connected through a connecting edge (6). A feed ring opening (9) is formed in the connecting edge (6). A microstrip antenna is arranged on the feed ring opening (9) in a repasting manner. The microstrip antenna comprises a strap bandage (13). The strap bandage (13) comprises two strap wings arranged symmetrically. One strap wing is in overlap joint with the emitting surface (11). The other strap wing is in overlap joint with the reflection surface(7). The RFID cigarette package box solves the technical problem that electronic tags on cigarette packets cannot be communicated and recognized, production of the electronic tags and the cigarette packets are combined organically, and anti-fake cracking down and logistics management over cigarettes are achieved.

The invention relates to an ultrasonic image blood vessel bifurcation detection method which comprises the following steps: acquiring an ultrasonic image, and converting the ultrasonic image into a grayscale image through single-channel extraction; performing Harris feature detection on the grayscale image to obtain an interest point set image; performing Fourier transform on the interest point set image, and removing high-frequency noise and Gaussian white noise through a Butterworth low-pass filter and an LMS adaptive filter in a frequency domain to obtain a denoised image; performing edge detection or image segmentation on the denoised image to obtain a blood vessel image; carrying out blood vessel refinement on the blood vessel image by utilizing a zhang-suen refinement algorithm to obtain a blood vessel refinement image; performing blood vessel expansion filling processing on the blood vessel refined image through a harmonic mean filter to obtain a blood vessel filling image; andcarrying out convolution on all pixel points in the blood vessel filling image to obtain a blood vessel bifurcation point. Compared with the prior art, the method is simple, the determined bifurcationposition is more accurate, and the efficiency is high.

The invention relates to a cement pavement slab staggering treatment structure and a construction method. The slab staggering treatment structure comprises a base layer and an old surface layer; the slab staggering treatment structure further comprises a repairing layer, a slab staggering connecting part, a leveling layer and a new surface layer. The old surface layer comprises an in-situ plate and a sinking plate; a pulling device is arranged in the repairing layer and the slab staggering connecting part; anti-upheaval devices are arranged on the in-situ plate and the leveling layer. The slab staggering positions of the old surface layer are connected into a whole, so that the problem of reflection to the new surface layer from a penetrating crack is effectively solved; an anti-upheaval device is arranged to effectively relieve the generation of upheaval diseases of a new surface layer; while the original cement concrete surface layer is treated, the void of the base layer below the staggered slab junction gap is treated, so that the generation of the pavement structure crack is delayed.

The invention discloses a virtual try-on method of sun glasses and a virtual try-on device thereof. The method comprises the steps that the object image of the sun glasses is acquired, and the objectimage is divided into a frame image layer, a lens image layer and a background image layer; the reflected scene image required by the sun glasses is acquired, and the scene image is displayed in the lens area corresponding to the lens image layer and a scene image layer is formed; the scene image layer and the lens image layer are mixed to form a mixed image layer; and the frame image layer is moved to the upper layer of the mixed image layer, and the attributes of the mixed image layer are adjusted to achieve the try-on lens reflection effect of the sun glasses. The beneficial effects of thevirtual try-on method of the sun glasses and the virtual try-on device thereof, the reflected scene image required by the sun glasses is acquired and the lens effect of the sun glasses is generated sothat the problem of reflection of the sun glasses in the try-on process can be solved and the better effect can be achieved.

The invention belongs to the technical field of laser cutting protective films, and discloses a stainless steel roll-grinding hot-pasting laser cutting protective film which is prepared from the following raw materials in percentage by weight: 30%-40% of low-density polyethylene, 35%-40% of linear polyethylene, 10% of metallocene, 5%-10% of high-density polyethylene and 10% of special coloring master batch. The glue is prepared from the following raw materials in percentage by weight: 4% of acrylic acid, 25% of butyl acrylate, 50% of 2-ethylhexyl acrylate, 11% of vinyl acetate, 5% of methyl methacrylate and 5% of hydroxyethyl acrylate, and the preparation process comprises the following steps: (1) producing a PE base material in a blow molding manner;, (2) producing the glue; (3) coating in a net wire roller transfer coating manner; (4) carrying out high-temperature curing in a curing chamber for 48 hours; and (5) cutting. The problems of focusing and reflection in fiber laser cutting can be solved, the technology that a stainless steel plate is thermally pasted with a fiber laser cutting protective film is broken through, the actual application requirement can be met, and the application range is wide.