26results about How to "Light evenly" patented technology

This disclosure provides a light-emitting diode and its fabrication method, belonging to the field of light-emitting devices. The light-emitting diode includes: an epitaxial layer; the epitaxial layer includes an N-type semiconductor layer, a multiple quantum well layer, an electron blocking layer, and a P-type semiconductor layer stacked sequentially; the multiple quantum well layer includes multiple stacked light-emitting units, each light-emitting unit including a stacked first quantum well sublayer, a quantum barrier layer, and a second quantum well sublayer; the thickness of the first quantum well sublayer is less than the thickness of the second quantum well sublayer, the thickness of the quantum barrier layer is less than the thickness of the first quantum well sublayer, and the In content in the first quantum well sublayer is greater than the In content in the second quantum well sublayer.

The application discloses a cable surface sheath image preprocessing method, device and equipment and a medium, and relates to the technical field of image processing. The method comprises the following steps: collecting a cable surface sheath image and dividing the image into multiple regions; calculating the average gray value and standard deviation of all pixels in each region, and determining a deviation range based on the 3σ criterion; determining pixels with a gray deviation not within the deviation range as abnormal pixels; determining whether there are other abnormal pixels in the eight-neighbor domain of each abnormal pixel, filtering the abnormal pixel if there are no other abnormal pixels, and constructing a connected domain composed of abnormal pixels if there are other abnormal pixels; filtering connected domains with an area less than a threshold value, and retaining connected domains with an area greater than or equal to the threshold value, to obtain a preprocessed image. Through local adaptive statistics, connected domain analysis and selective processing based on the area, the application overcomes uneven illumination and reflection interference caused by a cable curved surface, and helps to reduce the false positive rate and the missed detection rate of subsequent defect detection.

The utility model relates to a kind of multifunctional combination headlight, it mainly includes outer decorative frame 1, upper gasket 2, lower gasket 3, light distribution mirror 4, inner lens 5, LED reflecting bowl 6, decorative frame 7, lens sheltering decorative piece 8, pedestal 9, LED module 10, double light lens 11, light adjusting support 12, light adjusting motor 13, motor support 14, bulb 15, back cover 16, wherein pedestal 9 is assembly main body, the rest parts are directly or indirectly fixed on pedestal 9, thereby forming upper horizontal and side-by-side arrangement and mutually independent front position light, front turn signal, front day light, lower separately arranged high-low beam lamp overall car lamp modeling.The combination headlight has the advantages of simple structure, rich function, easy assembly, etc., not only further enriches the car lamp product library of our company, meets the personalized needs of different models and different configurations of host factory, but also emits light evenly and has unique lighting effect.

This invention relates to the field of book digitization and copyright management technology, and discloses a method and apparatus for intelligent recognition and structured information extraction of book copyright pages. The method includes: acquiring raw image data and performing preprocessing; locating multiple key regions using a target detection model; extracting text strings and recognition confidence scores using a sequence recognition model, executing a first feedback loop; if the recognition confidence is low or the semantics are incomplete, then performing adaptive adjustment of region coordinates; for text that passes the first loop verification, performing post-processing verification based on preset rules; if the post-processing verification fails, then activating a second feedback loop, locating potential erroneous characters and performing constrained re-recognition to correct character-level recognition errors; finally, integrating and storing the corrected text that passes all verifications. This invention significantly improves the accuracy, robustness, and automation level of information extraction by setting up dual dynamic correction loops for different error types.

The application belongs to the technical field of lighting devices, and provides an adjustable swimming pool lamp, which comprises a lamp holder, an extension rod, a power supply box and a lamp body. The lamp holder is provided with a mounting plate, and the bottom of the mounting plate is fixedly connected with a hinged seat provided with a locking mechanism. One end of the extension rod is hingedly fixed with the lamp holder through the hinged seat. The power supply box is fixedly connected with the other end of the extension rod along the horizontal direction. The lamp body is arranged on the side of the power supply box away from the extension rod and is fixedly connected with the power supply box. The inner cavity of the lamp body is provided with a light emitting part on one side and a light reflecting part on the other side. The application optimizes the structural form and light source layout of the lamp, and combines with the adjustment and reflection cooperative structure design, so that the upward emitted top light is uniformly diffused after reflection, the problems of glare and uneven illumination are effectively avoided, the lighting comfort of the swimming pool area is significantly improved, the light angle and area can be flexibly adjusted through the adjustment mechanism, the lighting needs of different swimming pool sizes and use scenes are adapted, and the defect that the existing swimming pool lamps have fixed illumination area is solved.

The embodiment of the invention is suitable for the technical field of biomedicine and image processing, and provides a cell image splicing method and device and computer equipment, and the method comprises the steps: shooting a plurality of cell images, and carrying out the image enhancement processing; respectively determining a relative displacement vector between any two adjacent images after image enhancement processing; taking the target point of the first image in the plurality of cell images as a global coordinate origin, and based on the relative displacement vector, respectively determining global coordinates of the target point of each cell image; cutting an overlapping region and a non-overlapping region in each cell image, and fusing the overlapping regions cut from any two adjacent images to obtain a plurality of non-overlapping region images and a plurality of overlapping region fused images; and based on the global coordinates of the target points of the plurality of cell images, splicing the plurality of non-overlapping region images and the plurality of overlapping region fusion images. By adopting the method, the cell images can be quickly and accurately spliced.

The invention provides a preparation method of a composite patterned substrate, the composite patterned substrate and an LED chip, and the method comprises the steps: forming a plurality of holes in the surface of a sapphire substrate, and carrying out the gluing, exposure and development processing, and obtaining a preset pattern; depositing a SiOF layer on the substrate; removing the preset pattern below the SiOF layer through heat treatment to form a cavity; transferring a pattern on the substrate through a nanoimprint technology; and performing inductively coupled plasma etching to form a composite pattern structure. A cavity structure is formed in a sapphire substrate through laser drilling and heat treatment, the light extraction efficiency of an LED is improved by combining with a composite pattern constructed by a nanoimprint technology and utilizing a multi-interface light scattering effect, the propagation direction of light rays can be guided by combining a patterned structure with a cavity, light emitting angle distribution is optimized, and light emitting is more uniform or the directivity is more concentrated; epitaxial growth stress is released through the cavity, dislocation density is reduced, epitaxial layer cracks are effectively inhibited, and crystal integrity is improved.

The utility model discloses a sound box atmosphere lamp and intelligent sound box that diffusion is even, sound box atmosphere lamp includes end cover, circuit board, mounting support and semitransparent light guide piece, and mounting support is connected with end cover, and circuit board is connected with mounting support, and light guide piece is connected with mounting support, and light guide piece is set in the periphery of mounting support, and a plurality of lamp pearl are equipped on circuit board, and the light that lamp pearl emits can irradiate on light guide piece, and the corresponding position of mounting support with lamp pearl is equipped with shading block and diffusion gap respectively, and shading block is located the front of lamp pearl, and diffusion gap is located the left and right sides of lamp pearl. The utility model discloses can block the direct light of lamp pearl through shading block, and cooperate diffusion gap and direct light to the both sides of lamp pearl, can eliminate the local bright spot of light guide piece, reduce the number of lamp pearl under the condition of equal evenness, thereby reduce the overall manufacturing cost of atmosphere lamp, improve the market competitiveness of product.

The application discloses a white light emitting phosphate glass material based on divalent tin ions and a preparation method thereof, and belongs to the technical field of luminescent glass. The white light emitting phosphate glass material based on divalent tin ions is prepared from raw materials including 2.5-25% of SnO, 15-37.5% of ZnO, 20% of ZnCl2 and 40% of P2O5 in terms of mole percentage; and a reducing agent Si3N4 can be further added when the white light emitting phosphate glass material is prepared. The phosphate glass prepared in air can promote the luminescence of Sn 2+ ; meanwhile, the introduction of the reducing agent can effectively control the valence state of Sn ions, and the phosphate glass has excellent comprehensive performance, a low glass transition temperature, good mechanical performance and thermal stability, and is suitable for white light LED lighting and display devices.

This invention discloses a light-emitting element, a light-emitting module, and a display device. The supporting component of the light-emitting element includes a bottom surface, a first surface, and a second surface. Both the first and second surfaces intersect with the bottom surface, and are either intersecting or parallel. The encapsulation cavity includes a first encapsulation cavity and a second encapsulation cavity. The first surface is the first bottom surface of the first encapsulation cavity, and the second surface is the second bottom surface of the second encapsulation cavity. The light-emitting chip includes a first-color light-emitting chip and a second-color light-emitting chip. The first-color light-emitting chip is located on the side of the first bottom surface facing away from the bottom surface, and the second-color light-emitting chip is located on the side of the second bottom surface facing away from the bottom surface. A third-color phosphor fills the encapsulation cavity. The first encapsulation cavity has a first light-emitting surface, and the second encapsulation cavity has a second light-emitting surface. Both the first and second light-emitting surfaces intersect with the bottom surface, and are either intersecting or parallel. This invention allows adjacent light-emitting elements to fully mix light.

The invention discloses a rotatable light splitting and guiding optical device, and relates to the field of light guiding devices. The light guide device aims at solving the problems that when an existing light guide device needs to be rotated, light emitting is uneven, and dark areas are prone to occurring. The device comprises a light source set, an anti-dazzling screen and an ellipsoidal light splitting and guiding piece, a light through hole in the anti-dazzling screen is provided with a position for controlling light emitted by the light source set, the light through hole is controlled to be located at the front side focus of the ellipsoidal light splitting and guiding piece, a cavity is formed in the rear side focus, and the cavity wall of the cavity is matched with a refraction face; based on the ellipsoid law, light emitted by a light source group from a light through hole is reflected by an ellipsoid to be converged to a rear focus, and after the light is incident to each refracting surface, the refracted light is distributed to upper and lower groups of light splitting branches on the rear side and light emitting surfaces between the branches according to a design proportion, so that the light can be uniformly distributed. According to the scheme, through the structural design, under the condition that the light source is fixed, the light shading piece and the ellipsoidal light splitting and guiding piece are synchronously rotated, and even light emitting can still be guaranteed.

The embodiment of the utility model relates to the technical field of electronic equipment, and discloses an aromatherapy device. The aromatherapy device comprises an outer shell, an upper cover, an atomizer, a liquid guide rod and a fixing piece, at least part of the side wall of the outer shell is made of transparent materials, a containing cavity is formed in the outer shell, the outer shell is provided with an opening, and the opening is communicated with the containing cavity; the upper cover is arranged above the opening in a covering manner, and a mist outlet is formed in the upper cover; the atomizer corresponds to the mist outlet; the upper end of the liquid guide rod is connected with the atomizer, and the lower end penetrates through the opening and extends into the accommodating cavity; the fixing piece covers the liquid guide rod, and at least one end, close to the upper cover, of the fixing piece is made of a light-transmitting material; a light-emitting part is arranged between the fixing part and the upper cover and used for illuminating the fixing part. By means of the mode, the aromatherapy device with the lamplight impression is provided, and the visual effect is good.

The utility model discloses a signal lamp capable of avoiding bright spots, which relates to the technical field of road safety and comprises a PCB (printed circuit board), an LED (light-emitting diode) is fixedly connected to the surface of the PCB, a reflecting bowl is arranged on the right side of the LED, a leather texture surface is arranged on the upper surface of a thick-wall part, patterns are arranged on the lower surface of the thick-wall part, and the LED is mounted on the PCB. Light rays are irradiated to the reflection bowl after being emitted from the LEDs on the PCB, the concentrated light rays can be scattered, the propagation direction of the light rays can be changed and the light rays can be uniformly reflected to the thick-wall piece due to the special shape and material characteristics of the reflection bowl, and due to the fact that leather grains and patterns are designed on the thick-wall piece, the propagation path of the light rays can be further changed through the microscopic and macroscopic texture structures, and the light rays can be further reflected to the thick-wall piece. Light rays are reflected and refracted for multiple times in the thick-wall part, so that re-divergence uniformization is achieved, finally, the light rays are emitted out of the signal lamp in a uniform light ray effect, bright spots are avoided on the whole, and visual interference caused by the bright spots is reduced.

The utility model relates to line lamp technical field especially line lamp without particle luminous, its technical scheme includes the lamp body, the inside fixed mounting of lamp body has LED integrated circuit board, the inside fixed mounting of lamp body has optical acrylic diffusion plate, LED integrated circuit board sets up optical acrylic diffusion plate's below, the inside fixed mounting of lamp body has optical acrylic stick, the bottom fixed mounting of lamp body has the integrated junction box of outgoing line, the integrated junction box of outgoing line is fixedly installed with cable female head and cable male head. The utility model discloses through optical acrylic diffusion plate and optical acrylic stick, make lamp luminous even, reach the light -emitting effect of no particle, no spot, when two adjacent lamps are connected as a whole, can transmit current through the integrated junction box of outgoing line, compared with traditional internal circuit board of lamp conveying current, can reduce the heat output of circuit board, effectively improved the service life of LED line lamp.

The application discloses a portable photography studio and belongs to the technical field of photography studios. The portable photography studio comprises a frame assembly, a cloth assembly, a lighting device assembly and an adjusting mechanism. The application is novel in design and ingenious in device. Three lighting lamp groups respectively emit light rays from the top at an angle of 120 degrees, from the side at an angle of 90 degrees and from the bottom at an angle of 60 degrees. After diffuse reflection in the inner layer of the cloth, the light rays form a spherical uniform light field. The lighting lamp groups light from the surroundings of a shooting subject, so that the lighting on the shooting subject is more uniform. Three-dimensional light distribution is realized. The illumination difference in each direction is controlled within + / - 15%. The overall storage volume is less than or equal to 0.08 m3. The unfolding time is less than 3 minutes. Through the cooperative work of the multiple lamp groups, the shadow transition of the photographed object is natural. The actual measurement shows that the blur degree of the shadow edge is improved by 40%. The technical contradiction that the existing portable photography equipment cannot simultaneously realize multi-directional uniform light distribution, rapid construction and compact storage is solved. The practicality of the device is greatly improved.

The utility model discloses an outdoor LED court lighting lamp capable of being flexibly combined, which comprises an LED lamp body and an adjusting slide rail, the adjusting slide rail is connected to the top of the LED lamp body, and the top of the LED lamp body is movably connected with a connecting arm; and the telescopic supporting rod is installed at the top of the connecting arm, an output rod is arranged at the bottom of the telescopic supporting rod, and one end of the telescopic supporting rod is in threaded connection with a locking rotary knob matched with the output rod. By arranging the adjusting sliding rail and the connecting arm, flexible adjustment and combination of the LED lamp body are achieved. The adjusting sliding rail is connected to the top of the LED lamp body, and the connecting arm is movably connected with the LED lamp body through the damping rotating shaft, so that each LED lamp body can freely slide and be positioned on the adjusting sliding rail. In this way, installation and adjustment of the lamps are facilitated, the number and positions of the lamps can be flexibly combined according to actual lighting requirements, and the adaptability and flexibility of the lighting system are greatly improved.

The utility model discloses a kind of indoor vegetable planters;Belong to soilless culture technical field;Its technical key points include bottom plate, the top center of the bottom plate is fixedly connected with installation vertical pole, the seedling tray of the top of the bottom plate is movably sleeved on the installation vertical pole, the two sides of the installation vertical pole are equipped with the linear array distribution of several adjusting grooves, the installation vertical pole is also sleeved with several planting trays, the bottom of each planting tray is equipped with the locking assembly matched with adjusting groove.The utility modelThe utility model cooperates with adjusting groove by locking assembly, the height of planting tray can be manually adjusted, when vegetables are in seedling stage, planting tray can be lowered to shorten the distance with light source, ensure sufficient illumination;After entering mature period, planting tray can be raised to provide enough growth space for plant, avoid uneven illumination or space waste due to fixed height, compared with the planting layer of welding fixed in prior art, significantly improve planting adaptability.

The application discloses an automatic production line for electronic tag production and processing, and relates to the technical field of electronic tag production, aiming to solve the technical problem that the burr exceeds the standard and the size deviation is caused by die wear during the stamping forming of the current electronic tag, the traditional detection effect is general, and the defective rate is increased, and the automatic production line comprises a screen brushing machine. In the detection process of the production of the electronic tag, by optimizing the integrated detection equipment, when the electronic tag is detected, the lamp can assist the flexible mirror surface, the image of the electronic tag is reflected, the two sides of the electronic tag are detected at the same time, and the lamp can also illuminate the detail defects of the electronic tag. The application can optimize the detection effect in the stamping process, so that the defects can be detected more accurately, the electronic tag with defects can be returned to work in time, and the production quality is improved.

The utility model relates to the field of direct-current LED lamps, in particular to an LED lamp power supply structure. A power supply structure of an LED lamp comprises a long-strip-shaped LED lamp panel and a power supply module. The LED lamp panel is provided with an inner positive electrode circuit, an inner negative electrode circuit and a plurality of LED lamp sets. The plurality of LED lamp groups are connected in parallel between the inner positive electrode circuit and the inner negative electrode circuit; the two ends of the inner positive electrode circuit are connected with outer positive electrode circuits used for being connected with a power source positive electrode. The two ends of the inner cathode line are connected with outer cathode lines used for being connected with the cathode of a power supply. The lengths of the two outer positive electrode circuits connected with the two ends of the inner positive electrode circuit are approximately equal; the lengths of the two outer negative electrode lines connected with the two ends of the inner negative electrode line are roughly equal; the two external positive electrode lines are connected to the positive electrode of the same power supply or the positive electrodes of two power supplies with the same voltage; and the two external cathode circuits are connected to the cathode of the same power supply or the cathodes of two power supplies with the same voltage. The beneficial effects of the utility model are that the LED light emitting is uniform, and the brightness consistency in the light distribution performance is high.

This invention relates to the field of display technology and discloses a method for fabricating a privacy display device, the privacy display device itself, and a terminal device. The method includes: providing a substrate layer, the substrate layer comprising a substrate, a thin-film transistor layer, and a pixel definition layer stacked from bottom to top, the pixel definition layer including a plurality of first through-holes and a plurality of second through-holes, an anode layer disposed within the first through-holes; forming a first electrode layer on the pixel definition layer, the first electrode layer being located in the second through-holes and electrically connected to the thin-film transistor layer; forming an electrochromic layer on the side of the first electrode layer away from the substrate; forming a pixel light-emitting unit on the side of the anode layer away from the substrate; forming a transparent cathode layer on the pixel light-emitting unit and the electrochromic layer, the transparent cathode layer including a second electrode layer electrically connected to the electrochromic layer and a third electrode layer electrically connected to the pixel light-emitting unit; and forming an encapsulation layer encapsulating the transparent cathode layer. This invention not only eliminates optical moiré patterns and improves light transmittance but also reduces production costs.

This application relates to the technical field of bridge bearing detection, and discloses a method for identifying bridge bearing voids based on UAV aerial image processing. The method includes controlling a UAV equipped with an imaging unit to acquire images of the bridge bearing from multiple perspectives; sequentially performing illumination equalization and shadow removal processing on the original images; extracting images of the bearing region and inputting them into a pre-trained deep learning segmentation network to generate a void region segmentation mask. The network includes a feature extraction backbone network, a feature pyramid fusion module, and a dual attention mechanism module; calculating the geometric feature parameters of the void region and converting its pixel units to actual physical units; and in step S4, calculating risk scores and assigning risk levels through an evaluation model, integrating the detection results to generate a report. This method solves the problems of uneven illumination under the bridge, shadow interference, and multi-scale void adaptation, achieving non-contact, high-precision, and fully automated bridge bearing void identification, thus improving detection safety and efficiency.

The utility model relates to the technical field of intelligent lighting, and discloses a panel lamp with an external inductor, which comprises a panel lamp main body, an LED lamp panel is fixedly connected inside the panel lamp main body, an optical diffusion plate and an anti-dazzle plate are fixedly connected inside the panel lamp main body, the optical diffusion plate is positioned on the upper surface of the anti-dazzle plate, and the external inductor is arranged on the upper surface of the anti-dazzle plate. The optical diffusion plate and the anti-dazzle plate jointly form a light-emitting plate, a first sealing strip is fixedly connected to the lower surface of the anti-dazzle plate, a driving assembly is arranged on the back face of the panel lamp body, and an inductor body is installed on the plastic frame and used for inducting movement of a human body. According to the panel lamp with the built-in inductor, the inductor body is externally arranged and matched with the plastic frame, so that the inductor is more convenient to install and replace from the outside, compared with a traditional panel lamp with the built-in inductor, the inductor can be replaced without disassembling a complex structure in the lamp, maintenance cost and difficulty are reduced, and use convenience is improved.

The application discloses an anti-icing conductive coating for a contact net and a preparation method thereof, and belongs to the technical field of coating preparation. The coating comprises an A component and a B component. The A component comprises 12-25 parts of modified fluorosilicon resin, 0.6-1.2 parts of fluorinated modified nano-SiO2, 2-4 parts of TiN / graphene composite material, 2-4 parts of graphene / carbon fiber composite material, 2-4 parts of tetraphenyl ethylene grafted hydroxyl-terminated polydimethylsiloxane polymer, 1-2 parts of metal powder, 1-3 parts of super-conductive carbon black, 0.1-0.5 parts of adhesion promoter, 0.2-0.6 parts of wetting dispersant, 0.1-0.3 parts of defoaming agent and 60-80 parts of solvent. The B component comprises 1.5-4 parts of polyisocyanate curing agent. The coating provided by the application has excellent conductivity, light-heat anti-icing effect, excellent hydrophobic and oleophobic properties, and effectively reduces the aggregation of rainwater or ice and snow on the contact net. The coating has good wear resistance, strong adhesion, good toughness, anti-microcrack and wide application prospect.

This application discloses a method and system for detecting building exterior wall detachment risks based on deep learning. The method includes: acquiring the original surface image, extracting the facade geometric features and constructing a homography matrix based on the vanishing point for geometric correction, and reconstructing the orthophoto image; enhancing the orthophoto image, extracting the effective detection area, and cropping the detection image; inputting the detection image into a deep learning segmentation model with edge weight constraints, and obtaining the detachment area through semantic segmentation, binarization, and optimization; establishing a mapping relationship based on the actual physical dimensions of the building exterior wall, converting the pixel information of the detachment area into multi-dimensional parameters such as actual physical area, elevation, width, and height; combining the defect density input with a quantitative risk assessment model to calculate a comprehensive risk index, determine the risk level, and output the results. This method can automatically identify and quantitatively assess detachment, eliminate distortion and background interference, and achieve accurate conversion from pixels to multi-dimensional physical space, providing a scientific basis for safety inspections.

The application discloses an organic quaternary phosphonium salt microcrystal flexible X-ray scintillation screen and a preparation method and application thereof, and belongs to the technical field of organic photoelectric functional materials. The organic radiation luminescent material is prepared from triphenylphosphine and iodomethane as raw materials through a quaternary phosphonium reaction to obtain methyltriphenylphosphonium iodide crystals, and then the methyltriphenylphosphonium iodide crystals are ground, sieved, compounded with a PVA aqueous solution and drop-coated and dried to obtain the flexible X-ray scintillation screen. The preparation method has the advantages of mild reaction conditions, simple synthesis, cheap raw materials and easy product purification, and provides a new idea for preparing an organic scintillator. The PVA aqueous solution is doped with methyltriphenylphosphonium iodide microcrystals to prepare the scintillation screen, the prepared scintillation screen has the advantages of bright radiation luminescence, high imaging resolution, low detection limit, bendability and curlability, and successfully realizes static, curved surface and dynamic X-ray imaging.

This invention provides a water ripple-free light panel, comprising a profile, a light strip, a light guide plate, a reflector, a first diffuser plate, and a second diffuser plate. The profile has an L-shaped longitudinal section and includes a first connecting portion and a second connecting portion that are interconnected. The light strip is disposed on the side of the second connecting portion facing the first connecting portion, and the light guide plate is disposed on the side of the light strip facing away from the second connecting portion. The reflector is disposed between the light guide plate and the first connecting portion, and the first diffuser plate is disposed between the light guide plate and the reflective film, and the first diffuser plate is connected to both the light guide plate and the reflective film. The second diffuser plate is disposed on the other side of the light guide plate opposite to the reflective film, and the second diffuser plate is connected to the light guide plate. This effectively solves the technical problem of eliminating water ripples in large-sized LED light panels.