303results about How to "Increase brightness" patented technology

The invention relates to the technical field of semantic segmentation, in particular to a night semantic segmentation method based on low illumination enhancement and edge optimization, and the method comprises the steps: inputting an image into a low-light enhancement repair network based on the Retinex theory, local contrast enhancement and adaptive feature fusion, obtaining a denoised and enhanced intermediate image, and carrying out the edge optimization of the intermediate image; inputting the intermediate image into a semantic segmentation network to obtain a category distribution diagram of each pixel; inputting a discriminator embedded with a channel attention module according to the category distribution diagram of each pixel, and optimizing a generator composed of a low light enhancement repair network and a semantic segmentation network through a multi-task joint optimization loss function; and inputting a night image to be detected and segmented into the optimized generator, and outputting a segmentation result. By adopting the method, the low-light enhancement repair network is combined with a local contrast enhancement and channel feature fusion mechanism, so that the overall brightness of the image is improved, the details and edge structures of the image are reserved, and the perception capability and robustness of the model are improved.

The invention relates to the technical field of semiconductor light emitting diodes, and discloses a composite patterned substrate and a preparation method thereof. The preparation method comprises the following steps: preparing a SiO2 film layer on a substrate; coining glue is prepared on the SiO2 film layer; transferring the pattern of the soft template to the SiO2 film layer by using a nanoimprint technology; performing etching treatment on the SiO2 film layer to form a graphic structure with a preset morphology, and etching to remove part of the substrate material to form a pit to obtain a patterned substrate; preparing an AlN layer on the substrate, filling the pit with the AlN layer, and covering the surface of the graphic structure; carrying out photoetching treatment and etching treatment on the AlN layer, so that the AlN layer is filled in the pit and covers the side surface of a part of the pattern structure; and carrying out annealing treatment, and removing the residual photoresist to obtain the composite patterned substrate. By implementing the preparation method provided by the invention, the obtained composite patterned substrate can improve the crystal quality of the epitaxial layer, thereby improving the internal quantum efficiency and final brightness of the chip.

This utility model relates to the field of jewelry technology and discloses a pendulum-style metal ornament, including a mounting plate. A mounting post is fixedly connected to the outside of the mounting plate. A mounting ring is sleeved on the outside of the mounting post. A shell is fixedly connected to the outside of the mounting ring. A U-shaped block is fixedly connected to the upper part of the shell. An mounting block is located in the middle of the U-shaped block. LED strips are mounted on both outer sides of the mounting block. Mounting components are located on both inner sides of the mounting block for mounting the LED strips. A handle is fixedly connected to the upper part of the mounting block. A mounting tube is fixedly connected to the lower part of the mounting ring. A first telescopic rod is fixedly connected to the bottom of the mounting tube. A slider is fixedly connected to the top of the first telescopic rod. A handle is fixedly connected to the outside of the slider. This utility model facilitates the installation and removal of metal ornaments, unlike the traditional method of fixing with screws. This method is simple, convenient, and easy for operators to use.

This invention discloses a method for enhancing and controlling the radiation of an LPP-EUV light source based on dual-pulse spatiotemporal co-constraint, belonging to the field of semiconductor manufacturing technology. This invention obtains a spatiotemporal reference by real-time monitoring of a liquid metal droplet, uses a pre-pulse laser to induce target material deformation into a fogged target cloud, and combines high-speed imaging and a hydrodynamic model to predict the time and coordinates of the target cloud's energy absorption peak. It dynamically adjusts the delay time and optical axis direction of the main pulse laser to achieve dual-pulse spatiotemporal co-constraint, and constructs a closed-loop control system through a recursive least squares algorithm with a dynamic forgetting factor. This invention effectively improves the extreme ultraviolet light conversion efficiency, controls the power fluctuation of the light source within ±0.5%, and extends the maintenance cycle of optical components by 2 times. It can be widely applied to next-generation high-power extreme ultraviolet lithography light source systems, meeting the application requirements of semiconductor miniaturization processes.

The utility model discloses an AOI angle adjustable spotlight source subassembly, include: light box frame, first light source, second light source, third light source, first spotlight, second spotlight, first diffusing plate, half reflection half transmission lens piece, at least second light source, third light source with light box frame can relatively rotatable angle adjustment, second light source, third light source are arranged respectively in the both sides of visual camera and the detection product photo connection line, first light source with second light source or third light source same side, half reflection half transmission lens piece is installed in the photo connection line path, and the light outlet end of first light source is towards the reflecting surface of half reflection half transmission lens piece, first spotlight, second spotlight are arranged respectively in the light outlet end of second light source, third light source, are used for guiding the direct light of it to the detection product, first diffusing plate is arranged in the light outlet end of first light source, is used for guiding the direct light of it to the detection product through half reflection half transmission lens piece.

The invention provides a projection light machine and projection equipment, and relates to the technical field of optics. According to the projection light machine, the optical assembly in the projection light machine can be rapidly heated, and the heat dissipation efficiency of the projection light machine can be improved. The projection ray machine comprises a base body, an optical assembly, an imaging assembly and a liquid cooling medium. Wherein the base body is provided with a heating cavity and a cooling cavity; the optical assembly is arranged on the base body; the imaging assembly is arranged in the cooling cavity, the imaging assembly is used for enabling the illumination light beam transmitted to the imaging assembly to form a projection image, and the light beam of the projection image is adjusted by the optical assembly to form a projection picture; and the liquid cooling medium is positioned in the heating cavity and the cooling cavity.

This invention discloses a water-soluble punching and shearing oil, comprising the following components in 100 parts by weight: 20.0-35.0 parts rust inhibitor; 10.0-20.0 parts lubricant; 3.0-10.0 parts surfactant; 0.5-3.5 parts bactericide and mildew inhibitor; 0.5-2.0 parts other additives; and the balance being deionized water. This punching and shearing oil can be used in various sheet metal deep drawing and punching processes. It can be diluted for use, effectively reducing users' oil costs. Simultaneously, it avoids oil mist and VOC problems caused by using oily products in the workshop, thus purifying the workshop operating environment. Parts punched and sheared using this invention have smooth surfaces, complete cuts, good gloss, and are burr-free. Processed parts are easy to clean or require no cleaning, significantly saving on overall costs such as materials, water resources, and labor.

The application discloses a coupling-in design method of a diffraction optical waveguide, comprising: obtaining a pupil size of an optical machine, a first field of view range in a first direction, a second field of view range in a second direction, and an assembly error threshold of an optical machine working distance; the first direction is orthogonal to the second direction; a circular region formed with the pupil size as a diameter is a basic region of a coupling-in region; according to the first field of view range, the second field of view range and the assembly error threshold, a corresponding offset distance in the positive and negative directions of the first direction and the positive and negative directions of the second direction of the basic region is determined; the basic region is offset by the corresponding offset distance in the corresponding direction to obtain auxiliary regions in each direction, thereby obtaining four auxiliary regions of the coupling-in region; a region formed with the outer contour of the four auxiliary regions is an actual region of the coupling-in region. The technical scheme provided by the application can improve the reduction of the coupling-in efficiency caused by the alignment error.

The invention relates to the technical field of semiconductor devices, in particular to a wafer and a preparation process thereof, and a laser device and a preparation process thereof, the wafer comprises a P-surface electrode, a substrate, a metal reflective layer, an epitaxial layer and an N-surface electrode which are stacked; a CuSiC alloy base plate is adopted as the substrate; and the epitaxial layer is an AlGaInP epitaxial layer after the original substrate is removed, and is bonded on the metal reflective layer. According to the technical scheme provided by the invention, the substrate adopts the CuSiC alloy substrate and is provided with the metal reflective layer, so that the LED lamp has the advantages of high luminous efficiency, high percent of pass and low manufacturing cost.

A display device with low power consumption is provided. The display device includes a circuit that steps up a signal voltage output from a gate driver. Since the signal voltage of the gate driver can be stepped up and supplied to a pixel, driving of a display device with a high threshold voltage is facilitated. Further, by utilizing the step-up function, the output of the gate driver can be reduced to suppress power consumption. In addition, by combining with a pixel having a step-up function of image data, a display device with even lower power consumption can be realized.

Provided are an array substrate, a display panel and a display device. The array substrate includes a substrate, an active layer, and multiple metal layers. Multiple pixel circuits are formed in the array substrate. A pixel circuit of the multiple pixel circuits includes a drive transistor, a first initialization transistor, and a second initialization transistor. The multiple metal layers include at least a first metal wire extending in a first direction and a second metal wire extending in a second direction. The first metal wire and the second metal wire are located in different layers. The first initialization transistor is connected between the first metal wire and a gate of the drive transistor and is configured to transmit a first initialization voltage on the first metal wire to the gate of the drive transistor. The second initialization transistor is connected between the second metal wire and a light-emitting element and is configured to transmit a second initialization voltage on the second metal wire to the light-emitting element. The technical solutions provided by the present application can improve the stability of the drive current so as to improve the uniformity of display brightness and display color cast.

The invention provides a red-light nitride epitaxial wafer, a preparation method thereof and a Micro-LED. The red-light nitride epitaxial wafer comprises a sapphire substrate, an insertion structure, an n-type nitride pattern structure layer, a light-emitting layer and a p-type metal nitride layer, the insertion structure penetrates through the n-type nitride pattern structure layer, the light-emitting layer and part of the p-type metal nitride layer and comprises a composite Si nano-column and a composite regulation and control layer, and the composite Si nano-column comprises a Si nano-column and a semi-ellipsoid structure; the composite regulation and control layer comprises a protection layer and a buffer layer, the protection layer is arranged on the outer wall of the Si nano-column, and the buffer layer is arranged on the area between the adjacent composite Si nano-columns; and an n-type nitride pattern structure layer, a light-emitting layer and a p-type metal nitride layer are laminated on the buffer layer between the adjacent composite Si nano columns. The In component merging and uniformity can be improved, the light-emitting efficiency and brightness of the Micro-LED are improved, the half-peak width of the light-emitting wavelength is reduced, and the color purity of display application is improved.

This invention relates to a method and system for multiple planning and force adjustment of welding allowance in robotic machining. The invention includes real-time monitoring of weld allowance changes to obtain real-time actual weld allowance data; establishing a material removal rate model based on historical grinding data and material properties; wherein the historical grinding data includes the material removal amount of materials with different properties under different grinding parameters; the material removal rate model is used to predict the material removal amount based on the actual grinding force and material properties; the grinding parameters include grinding speed, grinding path, magnitude and direction of grinding force and / or the tilt angle of the grinding tool; when there is a deviation between the actual weld allowance data and the target allowance, the grinding parameters are dynamically adjusted based on the material removal rate model; future grinding needs are predicted based on the current grinding state, and the grinding parameters are adjusted in advance. This invention improves the consistency of welding allowance processing and grinding accuracy, and enhances grinding quality and efficiency.

The utility model discloses an anti -vibration's MicroLED keyboard back light module, substrate layer has the recess of matrix type distribution, microLED chip is embedded in recess, and is fixed in the bottom of recess structure through conductive glue, the depth of recess is greater than the thickness of microLED chip, elastic buffer structure covers substrate layer surface and recess lateral wall, and the side and bottom non -electrode area of microLED chip are covered, and elastic buffer structure is made of silica gel layer and nanometer aerogel layer compound, and the light -transmitting protective layer is attached on the top of elastic buffer structure, and its lower surface is equipped with the hemispherical optical lens corresponding with microLED chip position. The three -level protection is formed by combining shock -absorbing support foot, silica gel -nanometer aerogel composite elastic buffer structure and spiral titanium nickel alloy flexible connecting column, can absorb " high -frequency micro -seismic -low -frequency big earthquake " full -band vibration, and cooperate recess 70 degree -85 degree angle and sawtooth pattern, effectively avoid the chip damage, solve traditional module vibration after the problem of brightness attenuation.

The invention discloses a lighting system and a projection device. The lighting system comprises a first light source module, a second light source module and a first light splitting element. The first light source module is used for providing a first light beam transmitted along a first direction. The second light source module is used for providing a second light beam transmitted along a second direction. The first light splitting element is arranged between the first light source module and the second light source module, the first light splitting element is used for reflecting a first light beam to enable the first light beam to be transmitted to the optical element along a second direction, and the first light splitting element is used for enabling a second light beam to pass through and be transmitted to the optical element along the second direction; light spots formed by the first light beam and the second light beam on the optical element are at least partially overlapped and form a first light spot group and a second light spot group, and the first light spot group and the second light spot group are arranged in the first direction. The illumination system and the projection device can effectively improve the brightness of the illumination light beam.

The present application provides a polyvinyl acetal resin having a specific surface area of 0.1000 to 1.4000 m 2 / g, an apparent specific gravity of 0.200 to 0.350 g / cm 3 , and a D50 particle size of 75.0 to 187.5 μm. The polyvinyl acetal resin of the present application can be applied to various purposes, such as an interlayer film for laminated glass, a paint, or an adhesive. The subsequent product made from the polyvinyl acetal resin of the present application has excellent optical properties, such as low yellowness, high penetration, and high brightness, and the subsequent product made from the polyvinyl acetal resin of the present application still has the aforementioned good optical properties after the polyvinyl acetal resin is left to stand at room temperature for 48 hours, which means that the polyvinyl acetal resin also has excellent stability.

The application provides a gas explosion device, a gas explosion system and an ignition method applied to a film and television fireworks special effect. The gas explosion device comprises: a combustible medium container for storing combustible medium; a driving assembly comprising a driving assembly body with a first cavity and a moving piece, the moving piece being located in the first cavity, the moving piece comprising a puncture part; a driving piece arranged in the first cavity and located on one side of the moving piece, used for generating driving kinetic energy to push the moving piece to move; and a first charge arranged in the puncture part of the moving piece, used for ignition after the puncture part pierces into the combustible medium container, so as to ignite the combustible medium in the combustible medium container. The gas explosion device, the gas explosion system and the ignition method are used to achieve the effect of instantaneous complete explosion under the condition of meeting safety.

The present application relates to a kind of cutter, backlight module, light guide plate and its preparation method, the cutter includes blade, and the installation surface for being oppositely arranged with blade and being used to be installed with impact equipment interface, and the first connecting surface and the second connecting surface of connecting blade and installation surface, first connecting surface and second connecting surface are oppositely arranged;First connecting surface is connected with second connecting surface by third connecting surface and fourth connecting surface respectively;Third connecting surface and fourth connecting surface are oppositely arranged;First connecting surface is the inclined plane inclined to the direction where second connecting surface is located;Second connecting surface is the inclined plane inclined to the direction where first connecting surface is located.The cutter is used to prepare inclined slope microstructure, can be prepared to obtain the light guide plate with high luminous efficiency and high overall brightness, the overall optical performance of the light guide plate can be improved by 5%-20%.

This utility model discloses a sign, relating to the technical field of signage, aiming to solve the problems of fixed installation positions, limited spacing, and the need for re-drilling when replacing larger signs, resulting in poor practicality. The key technical points are: a pole body has several circumferentially arranged through slots on its peripheral wall; several connectors are slidably connected within the pole body; signs are detachably connected to the parts of the connectors that protrude from the through slots; sliding adjacent connectors in a mutually distancing direction increases the spacing between the upper and lower signs; a pole cover is detachably connected to the top of the pole body; the pole cover houses an electrically connected sensing module, control module, and power supply module; and a wall lamp is electrically connected to the top of the pole cover. This utility model increases the spacing between the upper and lower signs by adjusting the spacing between two connectors, allowing for the replacement of larger signs as needed without additional drilling. Furthermore, disassembly and installation are simple and convenient, demonstrating high practicality.

The application relates to a kind of laser beam shaping systems and methods based on optical waveguide, belong to beam shaping technology.It includes semiconductor laser from left to right sequentially arranged, fast axis collimating lens, slow axis collimating lens, beam expander system, focusing lens and optical waveguide;Fast axis collimating lens is plano-convex cylindrical lens, for collimating the fast axis direction of light beam;Slow axis collimating lens is plano-convex cylindrical lens, for collimating the slow axis direction of light beam;Beam expander system includes preceding plano-concave cylindrical lens and following plano-convex cylindrical lens, for expanding the light beam width of slow axis direction to be consistent with the light beam width of fast axis direction;Focusing lens is plano-convex lens, for focusing light beam to optical waveguide input end;The input end section of optical waveguide is rectangle, and the output end section is circular, for shaping rectangular light spot into circular light spot.In the application, light beam is transmitted in optical waveguide efficiently, and gradually shaped into circular light beam through transition structure.

The application discloses a display panel and a display device, and belongs to the technical field of display. The display panel comprises a substrate, an insulating layer on the substrate, and a plurality of light-emitting units on the insulating layer, wherein the light-emitting unit comprises a first electrode layer, a light-emitting layer and a second electrode layer. In the application, the side of the insulating layer away from the substrate is provided with a plurality of curved surface structures, and the plurality of light-emitting units are respectively located on the plurality of curved surface structures. In this structure, the electrodes and the light-emitting layer in the light-emitting unit located on the curved surface structure can be curved, the electrodes can drive the curved light-emitting layer to emit light, the light-emitting area of the curved light-emitting unit is larger than that of the planar light-emitting unit, the brightness is improved, the problem of poor brightness of the display panel in the prior art is solved, and the effect of improving the brightness of the display panel is achieved.

The utility model relates to the technical field of LED display structures, in particular to an efficient heat dissipation LED display structure which comprises a base material layer, a chip layer, an optical adjustment layer and a packaging protection layer, the base material layer is arranged at the bottommost layer, the chip layer is arranged at the upper end of the base material layer, the optical adjustment layer is arranged at the upper end of the chip layer, and the packaging protection layer is arranged at the lower end of the optical adjustment layer. The packaging protection layer is arranged at the upper end of the optical adjustment layer; the chip layer and the base material layer are connected in a bonding mode, and a gap position between the chip layer and the base material layer is filled with a reflective glue filling layer; the optical adjustment layer is attached to the surface of the chip layer; and the packaging protection layer is cured on the surface of the optical adjustment layer.

The application discloses a diamond cut shape with a copper coin pattern optical effect, which is a round bright variant, and comprises a crown, a pavilion and a girdle, wherein the girdle connects the crown and the pavilion, and the total number of facets of the diamond is 45, wherein the number of crown facets is 29, and the number of pavilion facets is 16; light is totally internally reflected in the pavilion, and a copper coin pattern optical effect with a square inside a circle is formed. Compared with a conventional standard round diamond, the diamond cut shape can generate a better total internal reflection effect, has better brightness and fire color effects, and has a yield increase of about 22.5% and a processing efficiency increase of more than 20% under the same diameter. Through the overall proportion and facet design of the gemstone and the adoption of a precise cutting process, the gemstone has a total internal reflection effect and a copper coin pattern with a square inside a circle, the beauty of the diamond is improved, and the use effect and use benefit of the diamond structure are effectively ensured.

The invention discloses a preparation method and device of optical display equipment, the equipment and a storage medium. The preparation method comprises the following steps: acquiring boundary coordinates and an augmented reality area size; preparing a grating layer according to the boundary coordinates and the size of the augmented reality area; and the grating layer is attached to the surface of the image generation unit, so that the augmented reality area covered by the grating layer is correspondingly imaged as a three-dimensional image, and the identification area not covered by the grating layer is correspondingly imaged as a two-dimensional image. According to the technical scheme, when the grating layer of the optical display equipment is prepared, the boundary coordinates and the size of the augmented reality area are obtained, the grating layer is accurately prepared according to the boundary coordinates and the size of the augmented reality area, and the grating layer is only attached to the augmented reality area, so that the resolution ratio and the brightness of the identification area are improved, and the display effect is improved. The image performance of the optical display device is improved.

This invention relates to the field of lighting technology, and in particular to a white light supercontinuum fiber combiner, a light-emitting unit, and a method for fabricating the same, including N 2 One first input optical fiber, (N-1) 2 The first input fibers consist of a second input fiber and a square output fiber. Multiple first input fibers are arranged in a square array. One or more second input fibers are respectively disposed in the gaps formed between the multiple first input fibers. The square output fiber is fused to the tapered fused ends of the first and second input fibers. N is a natural number greater than or equal to 2. This invention's white light supercontinuum fiber combiner can transmit spectral energy with high quality, offering superior color reproduction compared to traditional white light illumination. It also meets the application requirements for high illumination brightness, effectively solving the problem of insufficient brightness in existing lighting devices.

The application discloses an electric energy meter with electricity larceny prevention function and belongs to the electric energy meter field, which comprises a shell, a protective door is rotatably installed on the outer side of the shell, an installation strip is installed on the inner side of the protective door, a jack is formed in the top of the installation strip, a control main body is installed in the shell, a camera and a lighting lamp are respectively installed on the inner wall of the shell, a frame is installed on the inner wall of the shell, one end of a return spring is fixedly connected to the inner top of the frame, and the other end of the return spring is fixedly connected to a driving plate; the pull rod is inserted into the inner wall of the jack, the protective door is further stably positioned on the outer wall of the shell, the protective door cannot be easily separated from the shell, electricity larceny cannot be randomly carried out by prying open, the face of the lawbreaker can be photographed and recorded by cooperating with the camera, subsequent tracing is facilitated, and the lighting lamp can improve brightness and guarantee the definition of shooting.

This application discloses a display panel and display device, belonging to the field of display technology, with the aim of at least improving the problem of reduced light emission of privacy pixels in related technologies. The display panel includes a first light-emitting device, a first light-shielding structure, a light-extracting structure, and a second light-shielding structure sequentially disposed on a substrate. The first light-shielding structure has a first opening exposing at least a portion of the first light-emitting device; the second light-shielding structure is used to block a portion of the light emitted by the first light-emitting device, and the orthographic projection of the second light-shielding structure on the substrate is located on at least one side of the orthographic projection of the first light-emitting device on the substrate; wherein, the light-extracting structure is used to deflect the light emitted from the first light-emitting device in the direction of the optical axis of the first light-emitting device.

This utility model discloses a microprism reflective film, comprising a release layer, a pressure-sensitive adhesive layer, a reflective layer, a PMMA layer, and a protective film layer connected in sequence. The reflective layer includes a prism layer, which further includes a first prism layer and a second prism layer. The melt index of the first prism layer is higher than that of the second prism layer. The first prism layer is provided with microprisms. By setting the first and second prism layers with different melt indices, the flowability and molding effect of each layer can be better controlled during the production process. At the same time, the microprism structure of the first prism layer can effectively improve the optical properties of the film, enabling the film to exhibit superior performance in optical applications. High melt index materials have low molding temperatures and good flowability, allowing for better mold filling and reducing energy consumption. Low melt index materials have better temperature resistance. The two have different melting temperatures; the high melt index material can be easily molded at 240°C, while the low melt index material can provide some support to prevent the overall film material from slipping.

The invention relates to a double-subnet low-illumination image enhancement method in a high-speed scene. The method comprises the following steps: S1, collecting night low-illumination image data of an expressway through a high-speed camera; s2, a multi-stage cascade framework is constructed, the multi-stage cascade framework comprises a difference calibration sub-network and an illumination channel self-weighting sub-network, and an unsupervised loss function is used to train the multi-stage cascade framework; and S3, in a test stage, removing the difference calibration sub-network in the multi-stage cascade framework, processing an input low-illumination image only by using the illumination channel self-weighting sub-network, and outputting an enhanced image. According to the invention, high-quality dark light enhancement of the night traffic monitoring image of the expressway can be realized, and the overall brightness and definition of the image can be obviously improved under the condition of low illuminance. The CSWM is introduced into the illumination channel self-weighted sub-network, so that the overexposure problem caused by vehicle headlamps, pavement marking lines and reflective objects is effectively relieved.

A display device according to one embodiment of the present specification includes: a substrate defining an optical region including a transmissive region and a non-transmissive region having different light transmittances and displaying a screen; a thin film transistor disposed on the substrate; a protective layer disposed on the thin film transistor; a light emitting portion disposed on the protective layer; and a transparent and magnetic close contact member disposed on the protective layer, in which the light emitting portion is disposed in the non-transmissive region, and the close contact member is disposed in the transmissive region.