20results about How to "Consistent brightness" patented technology

The invention relates to the technical field of bus control, in particular to a method and system for controlling and monitoring landing light based on a CAN bus. The method comprises the following steps: setting a light control node in an aircraft landing light system, and performing control network connection and landing light local response control on the light control node and a central control unit by using a CAN bus protocol to generate a landing light local response control instruction; starting corresponding landing light in an aircraft landing light system according to the landing light local response control instruction, performing light condition real-time monitoring and judgment analysis, and if the landing light is determined to be in an on-light state, performing brightness non-uniformity control management so as to execute on-state brightness non-uniformity control work; and if it is determined that the landing light working state is a closed state, light operation fault control management is carried out to execute closed state fault adjustment control work. The intelligent level of the landing light control system can be improved.

The invention belongs to the technical field of remote sensing image processing, provides a remote sensing image blocking effect elimination method fusing adaptive weight and an anchoring mechanism, and aims to eliminate the blocking effect from a global level, take radiation consistency as a constraint condition, introduce the adaptive weight to carry out differential adjustment on constraint intensity of different overlapped regions, and improve the blocking effect elimination efficiency. Meanwhile, an anchoring mechanism is adopted, stabilization constraint is carried out on an overall solution space, finally, a global equation set is constructed, an iterative least square optimization strategy is used for solving, image radiation consistency and visual continuity are integrally ensured, and the quality of remote sensing images is improved.

The utility model discloses a light leakage prevention backlight source module which comprises a bottom plate and a frame, a light emitting assembly is installed on the inner side of the frame, the light emitting assembly comprises a circuit board and an LED lamp, a light leakage prevention assembly is installed on the inner side of the frame and comprises a light guide plate and a reflective mirror, an air inlet assembly is installed on one side of the frame, and an air outlet assembly is installed on the other side of the frame. According to the light leakage prevention backlight source module, the periphery of the LED lamp and the periphery of the frame can be sealed through the reflective mirror, light leakage is avoided, meanwhile, light is reflected to the light guide plate, the light transmission rate is increased, the light leakage prevention effect is good, and the light leakage prevention backlight source module is suitable for being used for a large-scale production line. The brightness consistency of the backlight source is guaranteed through the reflective mirror and the light guide plate, the illumination efficiency is further improved, the illumination area can be adjusted according to the illumination range, the adaptability of the backlight source is improved, and the backlight source is suitable for illumination of advertising boards, product display and the like.

This application provides a display panel and a display device. The display panel includes: light-emitting elements, including a first light-emitting element and a second light-emitting element; pixel circuits, including a first pixel circuit and a second pixel circuit, the first pixel circuit being connected to the first light-emitting element and the second pixel circuit being connected to the second light-emitting element; the pixel circuits receive bias adjustment signals, including a first bias adjustment signal and a second bias adjustment signal, the first pixel circuit receiving the first bias adjustment signal and the second pixel circuit receiving the second bias adjustment signal; the area of ​​the first light-emitting element is S1, and the area of ​​the second light-emitting element is S2; the voltage value of the first bias adjustment signal is V1, and the voltage value of the second bias adjustment signal is V2; wherein, (S1-S2)×(|V1|-|V2|)≠0. The technical solution of this application can utilize different bias adjustment signals for bias adjustment, thereby improving display quality.

The utility model discloses an integrated black display screen which comprises a cover plate and a display assembly, the cover plate comprises a first face and a second face which are opposite to each other, a visible area is arranged on the cover plate, and an atomization layer is arranged on the first face, so that the cover plate part provided with an ink layer is consistent with the angle of reflected light of the cover plate in the visible area. And an ink layer is arranged on the second surface. The ink layer is arranged on the edge of the visible area in a surrounding mode, and the second face is connected with the display assembly, so that the angles of reflected light rays of the visible area on the cover plate and the area provided with the ink layer are consistent, the brightness of the reflected light rays reflected into naked eyes is consistent, and therefore the cover plate assembled on the display assembly achieves the integrated black effect.

The application provides a multi-image array splicing method for large cement prefabricated components, and the splicing method comprises the following steps: step one: collecting original images of the cement prefabricated components, dividing the original images into regions, and adjusting the gray scale of each region to obtain preprocessed images; step two: searching for feature points between every two adjacent images in each row in the images, identifying and extracting key feature points in the images through a SIFT algorithm, and then matching the key feature points of the adjacent images through a KNN algorithm to determine the relative position relationship between the key feature points; step three: searching for feature points between every two adjacent images in each column and matching the feature points; and step four: calculating the boundary positions of each image in the splicing area, and then splicing. The application realizes high-precision splicing of the cement prefabricated components, can effectively improve the shape detection precision of subsequent cement components, and improves the product detection quality.

The utility model provides a light guide plate with an anti-scratch microstructure, which belongs to the technical field of material science and comprises a base material layer, a microstructure layer is fixedly mounted at the top of the base material layer, the microstructure layer is made of silica gel materials, an anti-scratch layer is coated at the top of the microstructure layer, and the anti-scratch layer is made of siloxane materials. According to the utility model, through the arrangement of the microstructure layer, the light of the edge light-emitting source can be effectively captured, conducted and diffused in the use process of the device, so that the light is more uniformly distributed on the surface of the light guide plate, and through the arrangement of the anti-scratch layer, the durability of the light guide plate can be effectively improved in the use process of the device, and the service life of the light guide plate is prolonged. The light guide plate can be protected from being easily scratched or damaged, particularly when the light guide plate is in contact with keys, coins or other sharp objects in daily use, the surface of the light guide plate is kept clear and neat, the service life of a product is prolonged, and the smoothness of the light guide plate is maintained.

The invention discloses a line spectrum confocal sensor, comprising: a light source, a light source optical fiber, a dispersion objective lens, a spectrometer, and a spectrometer optical fiber. The light source generates detection light, and the light source optical fiber converts the detection light into modulated detection light. The dispersion objective lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, a tenth lens, and an eleventh lens, which are coaxially arranged in sequence from the dispersion objective lens object to the dispersion objective mirror image. The spectrometer optical fiber transfers the reflected light of the measured object to the spectrometer one by one. The spectrometer distinguishes the wavelength of the echo and generates images at different pixel positions on the camera. The dispersion objective lens in the invention is composed of eleven lenses and is designed as a double telecentric structure, which effectively ensures the consistency of the brightness and accuracy of the measurement light spot projected on the measured object, realizes dispersion under a coaxial optical path, and has the same optical path for emission and reception, a large measurement range, good angle adaptability, and a long working distance.

The invention belongs to the technical field of image processing, and particularly relates to an infrared image non-overlapping splicing method and device. The traditional image splicing technology is a technology for splicing a plurality of frames of images with overlapped parts, including images obtained at different time, at different visual angles or by different sensors, into a seamless panorama or a high-resolution image. The invention provides a non-overlapping image splicing method and device. According to the infrared image non-overlapping splicing method, continuous multiple frames of infrared images are spliced into a panorama, the scene is continuous, breakage and repetition are avoided, the brightness is smooth, and splicing seams are avoided. The brightness curve does not need to be adjusted manually. The method is simple in calculation and high in adaptability.

The invention discloses a shooting method and electronic equipment. When the electronic equipment uses any camera to shoot the image, the image generated by the reference camera is used for performing color and brightness processing on the image of the camera, so that the color and the brightness of the image output by each camera can be ensured to be consistent with those output by the reference camera. According to the scheme, consistent color and brightness feelings can be provided for a user, after the user switches the camera of the electronic equipment, the user cannot perceive that the color and the brightness of the preview image jump, and good shooting experience can be achieved.

The utility model discloses an illumination optimization lamp group and illumination optimization device, the illumination optimization lamp group comprises at least two basic units, each basic unit comprises a first lead, a second lead and an LED lamp string formed by connecting a plurality of LED lamp beads in series, the first lead comprises a first end and a second end, the second lead comprises a third end and a fourth end, and the third end is connected with the fourth end. The wire resistance of the first wire is the same as that of the second wire, one end of the LED lamp string is electrically connected with the first end, the other end of the LED lamp string is electrically connected with the fourth end, and the first end of the basic unit located at the foremost end is electrically connected with one of the positive electrode and the negative electrode of a power source. And the fourth end of the basic unit at the rearmost end is electrically connected with the other one of the positive electrode and the negative electrode of the power supply. The utility model mainly solves the problem of inconsistent front and back brightness of a plurality of groups of light sources, and by additionally arranging the second lead and changing the current loop, the first lead and the second lead have the same wire resistance, thereby achieving the effect of consistent front and back brightness of the plurality of groups of light sources.

The utility model discloses a 3D naked-eye optical film which is suitable for being attached to a display panel, the display panel is provided with a plurality of sub-pixels, the sub-pixels are arranged in the first direction and the second direction to form a matrix, and the sub-pixels emit light towards the 3D naked-eye optical film. The 3D naked-eye optical film comprises a base part and a plurality of protruding structures, and the protruding structures are located on the base part. The projection amount of the width distance of the two side edges of each protruding structure in the horizontal direction is substantially equal to or slightly smaller than the total width length of N sub-pixels, and N is equal to 3, 4, 6 or 8. The N sub-pixels are classified into corresponding first sub-pixel areas and second sub-pixel areas. The 3D naked-eye optical film has the effect of shortening the optimal viewing distance and provides the optimal 3D viewing distance for human eyes. The utility model further discloses a display device with the 3D naked-eye optical film.

The embodiment of the present invention provides a light-emitting device and a display device. The light-emitting device includes a dimming zone and a partition circuit, and the partition circuit corresponds to the dimming zone; the partition circuit includes a light-emitting module and a photosensitive module, and the light-emitting module and the photosensitive module are located in the dimming zone; the partition circuit includes a first state, and the light-emitting module and the photosensitive module are connected in series in the first state; the light-emitting device also includes a power module and a brightness adjustment module; the power module is used to provide a power supply voltage to the partition circuit, and the power module provides a first voltage value to the partition circuit in the first state; the brightness adjustment module is used to monitor the real-time equivalent resistance of the photosensitive module when the power module provides the first voltage value, and send an adjustment instruction to the power module; the power module responds to the adjustment instruction to provide a second voltage value to the partition circuit in the first state, and the second voltage value is different from the first voltage value. The present invention can adjust the brightness of the dimming zone so that the brightness of the dimming zone is consistent with the expected brightness, thereby improving the brightness uniformity.

The utility model discloses an optical waveguide and AR equipment, and relates to the technical field of optical display, and the optical waveguide comprises a waveguide substrate, and a coupling-in region, a first coupling-out region and a second coupling-out region which are disposed on the waveguide substrate in a first direction. A first pupil expanding area and a second pupil expanding area are further arranged between the first coupling-out area and the second coupling-out area, a first preset included angle and a second preset included angle are formed between the extending direction of the first pupil expanding area and the first direction and between the extending direction of the second pupil expanding area and the first direction, and part of light beams projected to the first coupling-out area are coupled out through the first coupling-out area. The light beam which is not coupled out through the first coupling-out area is coupled out through the second coupling-out area after being expanded by the first pupil expanding area or the second pupil expanding area. According to the optical waveguide and the AR equipment provided by the invention, the coupling-in area is arranged at one side of the optical waveguide, so that the uniformity of the brightness of the output image of the corresponding binocular is improved while the middle of the AR equipment is prevented from protruding.

The present invention relates to the field of small pitch display technology, and discloses a zero pitch continuous display device, including a light board PCB board, the top of the light board PCB board is fixedly connected with a connecting mechanism, the top of the connecting mechanism is movably connected with a shell, the top of the connecting mechanism and the inner side close to the shell are fixedly connected with small pitch LED lamp beads, the inner side of the shell is movably connected with a lens, the inner wall of the shell is movably connected with a slide plate, the bottom of the slide plate is fixedly connected with a shading plate, and the inner wall of the shell is provided with a limiting groove. When the zero pitch continuous display technology is used, a layer of customized lens is attached to the surface of the light source, so that the light-emitting area formed by the lamp beads, which are originally point light sources, becomes surface light-emitting, so that the hour picture seen by the viewer has consistent color, consistent brightness, obvious grayscale levels, and soft and non-glaring images. Most importantly, from the overall point of view, there is no trace of splicing of the picture, and a zero pitch display effect is truly achieved.

The invention discloses a Demura compensation data generation method and system. The method comprises the following steps: acquiring brightness data of each sub-pixel of each picture of display equipment; obtaining a gray scale and brightness fitting formula of each sub-pixel according to a gray scale and brightness fitting strategy; determining a gray scale and brightness fitting initial relational expression of each sub-pixel, and determining the number of gray scales needing to be shot of the sub-pixel according to the gray scale and brightness fitting relation of each sub-pixel; fitting the initial relational expression according to the gray scale shot by each sub-pixel and the gray scale and the brightness to obtain a gray scale and brightness fitting formula of each sub-pixel; determining a target brightness value Ldst displayed by the display equipment; according to a pixel compensation strategy, comparing the target brightness value with a brightness value obtained by a gray scale and brightness fitting formula of each sub-pixel, and calculating to obtain a compensated gray scale value of each sub-pixel; according to the method, accurate compensation data can be generated for each sub-pixel displayed by the display equipment, so that the brightness of each sub-pixel displayed by the display equipment can be basically consistent.

This invention belongs to the field of optoelectronic technology applications and relates to a light-emitting diode (LED) power temperature compensation circuit used in the operation of LEDs. The compensation current provided by this circuit passes through the LED, allowing the LED's light power to remain essentially constant over a wide temperature range. This invention solves the inherent temperature coefficient problem of diodes, and a single circuit can connect multiple LEDs in series. The circuit includes a temperature measurement function, enabling real-time monitoring of the LED's operating environment temperature. This invention features a simple circuit design, uses only conventional components, and has low application costs, making it highly practical in many engineering applications.

The invention discloses an image enhancement method applied to a complex scene, and the method carries out the comprehensive processing of the problems of color shift, brightness attenuation and insufficient contrast of an input image through the steps of color space conversion, color channel modulation, brightness compensation, global contrast optimization, local brightness balance optimization and the like. The method comprises the following steps: firstly, converting an input image into a preset color space, and executing nonlinear adjustment on hue and saturation components; and then the spectral attenuation direction is judged through the color channel average brightness relation, brightness compensation is carried out, and brightness smoothing is realized through a neighborhood statistical mode. The method further performs contrast optimization based on global luminance statistics and utilizes luminance histogram redistribution and local luminance factors to enhance local region details. And finally fusing the global enhancement result and the local enhancement result to obtain an enhanced image with natural color, coordinated brightness and clear details. The method is suitable for image enhancement processing in underwater imaging, low-illumination imaging and multi-type degradation scenes.

The embodiment of the invention belongs to the projection display technology, and provides laser projection equipment. The laser projection equipment comprises a display control assembly, a laser driving assembly and a laser assembly, the laser assembly comprises a plurality of lasers and a plurality of switch assemblies, the lasers are common cathode lasers or common anode lasers, the lasers are connected in series, and every two lasers connected in series are connected through the corresponding switch assembly. The laser driving assembly comprises a plurality of constant current assemblies, the plurality of constant current assemblies are connected with the laser assembly, and the display control assembly is respectively connected with the plurality of constant current assemblies and the plurality of switch assemblies. According to the scheme, series connection of the lasers is realized by arranging the switch assembly between the lasers, so that currents flowing through the lasers are consistent, and the brightness of a displayed picture is higher; and the number of chips can be effectively reduced, the cost is reduced, and miniaturization is facilitated.

The application provides a game image generation system and method based on artificial intelligence empowerment, converts collected multi-dimensional data into an environment state description vector; performs convolutional feature extraction on a reference image in the environment state description vector to obtain a style representation tensor, fuses and reduces dimensions of the style representation tensor to obtain a target style identification vector; performs difference measurement on candidate image features of a candidate generated image and the target style identification vector to obtain a style difference matrix, determines a style consistency penalty term in image generation based on the style difference matrix, and constructs a game image generation model using the style consistency penalty term; and generates a game style image according to the game image generation model and the environment state description vector. The technical scheme provided by the application can extract a target style identification vector from multi-dimensional data flow, and construct a closed-loop control mechanism in which a style difference measurement is used as a penalty term and fed back to a generation model, so as to realize efficient and dynamic generation of game images.