61 results about "Bright line" patented technology

This micro-LED module comprises: a unit substrate; a plurality of micro-LED chips mounted on the upper surface of the unit substrate; a protection film for covering the upper surface of the unit substrate and the plurality of micro-LED chips; a black film provided on the upper surface of the protection film; and an optical material provided on the upper surface of the black film, wherein the micro-LED module, having a transparent polymer material, includes the optical material including the transparent polymer material on the upper surface of the black film, and the polymer material has a high refractive index or at least a predetermined thickness, and thus a bright line can be improved even if a gap is formed at boundaries between a plurality of micro LED modules.

The invention relates to a method for detecting the plugging quality of an FPC flat cable connector, and the method comprises the following steps: S1, enabling an upper computer to control a backlight source to be turned off, enabling a to-be-detected product to be in a dark environment, enabling a laser line light source at the left side to be turned on, and enabling line laser generated by the laser line light source to form two bright line patterns on a flat cable connector and a flat cable buckle of the to-be-detected product; s2, the upper computer controls the camera to photograph and obtain an image, and converts the image into a grey-scale map; and S3, if the two bright lines are in a vertical parallel state, the flat cable buckle is buckled in place, and if the bright lines on the flat cable plug connector are in a vertical state and the bright lines on the flat cable buckle are in an inclined state, the flat cable buckle is not buckled in place. By the adoption of the technical scheme, according to the method and system for detecting the plugging quality of the FPC flat cable connector, after the FPC flat cable connector is assembled, detection is carried out in an optical + 2D visual detection mode, and the problems existing in the prior art can be effectively avoided.

The utility model belongs to the technical field of car lamp injection molding, and relates to a structure for effectively preventing a PMMA (polymethyl methacrylate) three-color spliced product from cracking, which comprises a first color piece, a second color piece and a third color piece, the second color piece and the third color piece are spliced on the same side of the first color piece, the third color piece covers the second color piece, and the top surface of the third color piece and the top surface of the first color piece are positioned on the same straight line. The splicing sides of the first color piece, the second color piece and the third color piece are provided with first splicing bosses extending in the directions of the second color piece and the third color piece, and the splicing sides of the second color piece and the third color piece and the position close to the first color piece are provided with second splicing bosses extending in the direction of the third color piece. The device is simple in structure, stable and reliable, achieves the purpose that a bright line cannot be seen from different angle positions of a product through small-amplitude modification under the condition that the appearance of the product and the strength of the mold are not affected, and has the advantages that the use range is wide, the manual repair and assembly cost and the mold cost are reduced, and the injection molding qualification rate and the production efficiency are improved.

A mask manufacturing method, an anti-glare mask, and a manufacturing method for an anti-glare product. The mask manufacturing method comprises: generating a base scatter plot having random characteristics; on the basis of the base scatter plot, drawing a Voronoi diagram; and clipping a pattern from the Voronoi diagram, and performing two instances of mirroring, edge trimming and arraying on the pattern, in order to obtain an anti-glare mask. The anti-glare mask is manufactured using the mask manufacturing method. The manufacturing method for an anti-glare product comprises steps such as coating, exposure, development, etching, and stripping. A base scatter plot having random characteristics is used to draw a Voronoi diagram, and steps such as pattern clipping, mirroring, edge trimming and arraying are then performed, such that an ultimately obtained anti-glare mask has an anti-glare effect. The manufacturing method avoids optical defects such as Moire patterns and reflected bright lines, so that the mask manufacturing precision is improved, and patterns on masks are also more uniform and delicate, thereby improving the quality and performance of the masks.

The embodiments of the present application relate to the technical field of electronics. Provided are a driving circuit and a driving method therefor, and a display panel, a display module and an electronic device. The driving circuit comprises first shift registers and third shift registers, which are under partition control, and a second shift register, which is added at a partition position. A signal outputted by the second shift register only serves as a starting signal of a first-stage third shift register, and is not outputted as a scan signal. Even if the signal outputted by the second shift register is different from a signal outputted by a last-stage first shift register, the display is not affected. After a second gate starting signal is shaped and shifted by the second shift register and the first-stage third shift register, a signal outputted by the first-stage third shift register is restored to normal. In this way, when an electronic device having a partition display function performs full-screen display, the brightness difference between display rows at a partition position is significantly reduced, thereby ameliorating the problem of bright lines or dark lines appearing in a display picture.

The utility model discloses a replaceable miniature area light source component, which relates to the field of light source components, and comprises a main mounting block, mounting side strips are symmetrically and fixedly arranged on two sides of the main mounting block, mounting holes are uniformly formed in the sides of the mounting side strips, one end of the main mounting block is butted with a butting end block, and the other end of the main mounting block is butted with a fixing end block. A clamping screw rod is vertically inserted into the top surface of the butt joint end block, a vertical side groove is vertically formed in the end, away from the main mounting block, of the butt joint end block, a clamping block is horizontally in butt joint with one side edge of the butt joint end block, and a butt joint block is horizontally in butt joint with the end, away from the main mounting block, of the butt joint end block; a lamp panel body is fixedly arranged on one side edge of the butt joint block, an insertion end groove is formed in one end of the main installation block, a clamping type structure is adopted so that installation of lamp bodies of multiple specifications and sizes can be met, and an open-wire-free structure is combined so that the lamp panel can be used more safely; and the overall disassembly and replacement are more convenient under the combined buckle splicing structure.

The present application relates to the field of anti-counterfeiting technology, and discloses an anti-counterfeiting element, comprising: a dynamic pattern, the dynamic pattern comprising at least one bright line, the movement area of the bright line being a feature area; the feature area comprising a plurality of curved surface structures, the curved surface structure having a plurality of light coordinates parallel to the surface of the feature area, each light coordinate comprising a first direction and a second direction, and each light coordinate corresponding to a line segment on the bright line having a different curvature; the curved surface structure being curved along the first direction, and the bending degree of the curved surface structure along the second direction being less than the bending degree of the curved surface structure along the first direction. By curving the curved surface structure along the first direction, the emergent light of the curved surface structure can be emitted in a sector direction under the incidence of light in a predetermined direction, and the angle distribution of the emergent light is more uniform, so that a single curved surface structure can obtain a combined effect equivalent to a plurality of reflective facets in the prior art, and the dynamic effect of the bright line movement can be clearer.

The utility model relates to the field of geomembrane processing equipment, in particular to a device for reducing membrane surface scratches and bright lines of a blow-molded geomembrane, which comprises a protective cover, the protective cover comprises a flexible cover body and connecting ropes arranged on two sides of the cover body, and one end of each connecting rope extends to the outer side of the cover body to form a traction section; the upper rotating roller can be mounted at the upper end of the herringbone plate, and the upper rotating roller can wind or release the traction section of the connecting rope; and the lower rotating roller can be mounted at the lower end of the herringbone plate, and the lower rotating roller can wind or release the protective cover. Through the arrangement of the protective cover, the upper rotating roller and the lower rotating roller, the existing problems are effectively solved.

The application discloses a kind of high vocational mathematics teaching stereoscopic projection equipment, it is related to educational teaching auxiliary equipment technical field, including load-bearing base, further include rotating clamping assembly, set on load-bearing base, for fixed and rotating translucent model body;Laser emission component, set on the side of rotating clamping assembly, for emitting the plane laser screen to translucent model body to form cross-section bright line;Lifting assembly, vertically set on load-bearing base, and located the back side of translucent model body;Semi-transparent half-mirror, install on lifting assembly and can be vertically raised and lowered with it, semi-transparent half-mirror overhang in the oblique upper side of translucent model body;The application utilizes a character line laser to carry out physical cutting to translucent model body.Bright line at cross section is projected to screen by semi-transparent half-mirror and magnifying convex lens group, abstract mathematical equation is stereoscopically displayed, and the persuasion of teaching and the immersion of student are greatly enhanced.

The utility model relates to a miniature LED module, comprising a unit substrate; the plurality of micro LED chips are mounted on the top surface of the unit substrate; the protective film covers the top surface of the unit substrate and the plurality of micro LED chips; the black film is arranged on the top surface of the protective film; and an optical substance provided on the top surface of the black film, the optical substance including a polymer substance of a transparent material, the polymer substance having a high refractive index or being formed to a predetermined thickness or more, so that a bright line can be improved even if a gap is generated at a boundary portion between a plurality of micro LED modules.

This application belongs to the field of display panel technology, and provides a pixel control circuit, method, and display panel. The display panel includes multiple pixel units, each pixel unit including a first sub-pixel unit and a second sub-pixel unit. The pixel control circuit includes a first control module, a second control module, and a third control module. The third control module is used to connect the corresponding second sub-pixel unit to the circuit under a specified state, so that the second sub-pixel unit is controlled by a line scan signal and / or a data signal to be in an active state. The specified state includes at least one of a first sub-pixel unit malfunction and jagged edges appearing on the display screen. This application can connect the second sub-pixel unit when the first sub-pixel unit malfunctions, eliminating the bright cross-shaped line phenomenon. Furthermore, when jagged edges appear on the display screen, connecting the second sub-pixel unit can also provide a smooth transition to the jagged state, reducing the jaggedness.

The application discloses a transverse bright line defect detection method and device, equipment and a storage medium, and relates to the technical field of image processing. The method comprises the following steps: acquiring original image information; processing a preset cropping region image based on detection channel information in the original image information to obtain image processing information and corresponding background information; determining difference information based on the image processing information and the background information; calculating the energy parameters of each row based on the difference information to determine energy parameter information; and iteratively detecting corresponding transverse bright line defect indicators based on the energy parameter information until a preset termination condition is met to obtain a transverse bright line defect indicator detection result. The preset cropping region image is processed to iteratively detect the transverse bright line defect indicators until the termination condition is met, so that the real bright line and the abnormality can be effectively distinguished without additional targets, and the defects can be accurately detected under low computing power conditions.

This application discloses a method, apparatus, device, and storage medium for detecting off-color bright lines on a display panel based on CCD sensing, relating to the field of display panel detection technology. The method includes: acquiring an off-color image of the display panel under a preset color screen captured by the CCD imaging device; preprocessing the off-color image to obtain morphological feature images of different channels; performing line detection on each of the morphological feature images to obtain line feature information of different channels; and merging the line feature information of different channels to obtain a detection result. By employing multi-channel separation, morphological feature enhancement, and fusion detection techniques, this method solves the problems of uncertainty and weak contrast in existing detection methods when off-color bright lines appear under different color backgrounds, making stable identification difficult. Compared with existing technologies, it achieves high-sensitivity detection and precise positioning of off-color bright lines under different background colors, improving the accuracy and adaptability of the detection.

A decorative member (100, 100A, 100B), a housing (1000), and an electronic device (1002). The decorative member (100, 100A, 100B) comprises a substrate layer (10) and an optical texture layer (30), the optical texture layer (30) is disposed on the substrate layer (10), the optical texture layer (30) comprises a plurality of stripes (301) extending in a predetermined direction, at least some of the stripes (301) comprise a first texture structure (31) provided on the substrate layer (10) and a plurality of second texture structures (32) provided on a surface of the first texture structure (31) facing away from the substrate layer (10), the heights of the plurality of second texture structures (32) varying randomly. The first texture structure (31) has a decorative effect of bright lines of light and shadow, and the second texture structure (32) has a matte effect, such that the decorative member (100, 100A, 100B) achieves a light and shadow effect of a matte texture.

A decorative member (100, 100A, 100B), a housing (1000), and an electronic device (1002). The decorative member (100, 100A, 100B) comprises a substrate layer (10) and an optical texture layer (30), the optical texture layer (30) being arranged on the substrate layer (10), and the optical texture layer (30) comprising a plurality of stripes (301) extending in a preset direction, wherein at least some of the stripes (301) comprise a first texture structure (31) provided on the substrate layer (10) and a plurality of second texture structures (32) provided on the side of the first texture structure (31) facing away from the substrate layer (10), the heights of the plurality of second texture structures (32) varying randomly. The first texture structure (31) has a decorative effect of light and shadow bright lines; and the second texture structure (32) has a frosted effect, such that the decorative member (100, 100A, 100B) achieves a light and shadow effect of a frosted matte texture.

Methods and systems herein include displaying at least one image to a test subject, wherein the at least one image has a visual appearance to the test subject based on physical characteristics of the

The invention provides a Micro-LED display screen bright line and local display abnormity protection method and structure, and relates to the technical field of display screen protection. The Micro-LED display screen bright line and local display abnormity protection structure comprises a display screen shell and at least one LED lamp panel; the front face and the side faces of the LED lamp panel are covered with nanometer three-proofing coatings. The LED lamp panel is fixed on the display screen shell through mounting screws, and a conductive sealing strip is pressed between the LED lamp panel and the display screen shell; a closed cavity is formed between the back face of the LED lamp panel and the display screen shell through the conductive sealing strip, and the protection method of the Micro-LED display screen is used for solving the problem that at present, gaps between existing LED lamp beads are prone to being invaded by wet and hot gas, short circuit is prone to being caused, and bright lines and local display are abnormal. And a back circuit only depends on common three-proofing paint for protection, a gap exists at the splicing part of the lamp panel and the shell, moisture can permeate, and local display is abnormal.

This invention discloses an automatic identification and row / column signal repair control system for abnormal bright lines on an LCD screen, relating to the field of automatic control technology for bright line row / column signals. The system includes: a preliminary bright line monitoring and identification module, a row / column signal acquisition and timing analysis module, and an automatic repair module for abnormal row / column signals. This invention uses the initial bright line identification results to filter and control the validity of qualified row / column numbers, then uses the timing analysis results to filter and control the validity of abnormal row / column signals, and finally uses the comparison results between qualified and abnormal row / column signals to perform row / column signal repair control. This helps improve the accuracy of identifying and judging abnormal bright line row / column signals, achieving efficient and accurate identification and judgment of abnormal bright line row / column signals on LCD screens, and solving the problem of low reliability in abnormal row / column signal repair control in existing technologies.

This invention provides a method for extracting tall buildings and their heights from a single-view high-resolution SAR image. Specifically, the method involves preprocessing the SAR image; extracting salient features from the SAR image, including bright spots and bright lines; generating facade regularity components, facade bright line components, and secondary scattering components based on semantic information and salient features; formulating production system rules based on the spatial relationships between different components to generate tall building hypotheses; removing unacceptable tall building hypotheses to obtain the final tall building extraction result; calculating the range length of each tall building in the SAR image based on the final extraction result; and converting the range length of the tall buildings into their actual heights based on the imaging geometry in the SAR image. This method does not require a large amount of training data, only a single-view SAR image and its incident angle information, to quickly extract complex and diverse tall buildings and their heights.

The application discloses a kind of molecular marker velocity measurement methods for steady flow field under high-speed wind tunnel, belong to wind tunnel test technical field.To solve the problem of improving the robustness and precision of MTV data processing.The present application includes based on femtosecond laser system in the upper part of test section to the directly below incidence wavelength femtosecond pulse laser generates fluorescent bright line, after flow field stabilizes, trigger image intensifier, using camera to collect test image;Collect the fluorescent bright line reference image under the condition of no wind, as calibration image, place steel plate ruler in the fluorescent bright line plane, calculate space and pixel conversion coefficient;Image correction is carried out to test image, and the test image after rotation correction is obtained using fast fourier transform method, calculate pixel displacement;Using space and pixel conversion coefficient and pixel displacement, conversion is carried out to obtain actual velocity in space.The present application can significantly reduce the quality requirement of test image.

The invention relates to a liquid scraping roller structure capable of reducing water stains and bright lines on a film surface, which comprises an upper roller and a lower roller, the upper roller is in a long straight rod shape, and the middle of the upper roller is divided into two side rollers; the side rollers are the same in shape and size and are cone-shaped bodies with large inside and small outside; the lower roller is in a long straight rod shape and comprises a middle part; the middle part is cylindrical, and two ends of the middle part are respectively provided with an outer end part; the outer end parts are the same in shape and size and are cone-shaped bodies with large inner parts and small outer parts; the upper roller and the lower roller are equal in length and are arranged in parallel up and down at an interval, so that extract liquor on a diaphragm can be scraped off when the diaphragm passes through the space between the upper roller and the lower roller. According to the invention, the fitting degree of the roller body and the diaphragm is effectively improved, the problems of non-uniform liquid carrying amount and wrinkles on the diaphragm surface are improved, and the conditions of water stains and bright lines on the diaphragm surface are reduced. And meanwhile, the hardness of the roller surface is greatly improved, the roughness of the roller surface is reduced, the corrosion resistance of the liquid scraping roller in an extraction environment is improved, and the influence on the diaphragm surface can be reduced.

The utility model relates to a kind of anti-fake laser single edition fine edition jointing roller, including edition roller body, mould pressing work edition and two rotary joints, two rotary joints are respectively arranged in the left and right ends of edition roller body, mould pressing heating runner is arranged in edition roller body inside, the middle part outer circumferential surface of edition roller body is equipped with annular groove extending along its outer circumferential direction, mould pressing work edition is rolled and pasted in annular groove, edition joint is formed between the two ends of mould pressing work edition;Edition roller body inside is also equipped with edition joint heating runner, the inner diameter of the middle part of edition joint heating runner is greater than the inner diameter of its two side positions;The depth of the area part of annular groove close to edition joint is less than the depth of other part of annular groove, so that the part of mould pressing work edition close to edition joint and the left and right side parts of annular groove form groove.The utility model can effectively inhibit even eliminate visual bright line defect generated due to edition joint edge damage coating while ensuring to adopt single edition holographic mould pressing to realize high anti-fake, to improve its anti-fake printing effect.

The utility model relates to the technical field of garment processing, in particular to a one-step forming template for stitching double open threads on a flat sleeve tab, which comprises a T-shaped bottom plate, a U-shaped sewing groove, a first heightening plate and a second heightening plate are arranged on the lower portion of the bottom plate, and a cloth placing area is arranged between the first heightening plate and the second heightening plate. A first pressing plate is movably arranged on the lower edge of the first heightening plate, and a second pressing plate is movably arranged on the upper edge of the second heightening plate. A third heightening plate matched with the first heightening plate is movably arranged on the right edge of the first heightening plate, a fourth heightening plate matched with the second heightening plate is movably arranged on the right edge of the second heightening plate, a third pressing plate is movably arranged on the lower edge of the third heightening plate, and a fourth pressing plate is movably arranged on the upper edge of the fourth heightening plate; a push plate is movably arranged above the cloth placing area; a cover plate is movably arranged on the right side of the lower portion of the bottom plate and provided with a sewing groove. The template with the structure is reasonable in design, simple and convenient to operate, time-saving and labor-saving, and the working efficiency is greatly improved.

The invention discloses an extraction device for reducing the number of wrinkled bright lines in wet diaphragm extraction, the device comprises a plurality of groove bodies which are sequentially arranged from front to back, the first groove body is a partition groove, and the second groove body and the groove body at the rear side of the second groove body are extraction grooves; according to the diaphragm extraction movement direction, the depth of the tank body of the first extraction tank is lower than that of the tank body of the second extraction tank, and the depth of the tank body of the second extraction tank is lower than that of the tank body of the third extraction tank; except the first extraction tank, each extraction tank is provided with an overflow outlet for the extraction agent to flow out, and the top height of the overflow outlet of any extraction tank is lower than that of the overflow outlet of the extraction tank on the rear side, so that the extraction agent can flow into the extraction tank on the front side through overflow to form counter-current extraction; at least one lower guide roller is arranged in the lower part of each extraction tank, and at least one upper guide roller is arranged above each extraction tank. By adopting the device disclosed by the invention, the number of wrinkled bright lines during wet-process lithium battery diaphragm extraction can be reduced to two or less, and even the wrinkled bright lines are completely eliminated.

The utility model discloses an imaging device which comprises a light source, a light processing module, a sample module and a first imaging module, the light source is used for emitting laser beams to the light processing module, the light processing module comprises a cylindrical lens and a first spectroscope, and the first imaging module comprises an objective lens and a first imaging camera which are arranged on the two sides of the first spectroscope respectively. The cylindrical lens, the objective lens and the first imaging camera are located on different sides of the first spectroscope respectively, the objective lens is arranged between the first spectroscope and the sample module, the laser beam is reflected by the first spectroscope for the first time and then enters the objective lens, and an imaging tube lens is further arranged between the first imaging camera and the first spectroscope. According to the imaging equipment disclosed by the utility model, the laser beam forms a bright line on the surface of the sample module, the height position and the inclination amount of the surface of the sample module corresponding to the bright line can be determined through single measurement, and the focusing accuracy is remarkably improved; in addition, according to the scheme, normal imaging can be achieved even if the distance between the objective lens and the sample module is only a few millimeters.

The utility model discloses a composite optical film and a backlight module, and relates to the technical field of optical films. The composite optical film comprises a first prism layer and a second prism layer which are sequentially arranged on one side of a light emitting surface from top to bottom, and a first atomization prism area, a common prism area and a second atomization prism area are sequentially arranged on the upper surface of each of the first prism layer and the second prism layer; a first base material layer and a second base material layer are respectively arranged at the bottoms of the first prism layer and the second prism layer; the top of the first prism layer is provided with a first fitting adhesive layer, and the bottom of the first base material layer is provided with a second fitting adhesive layer. According to the utility model, the problems that the shielding effect at the light incident part of an optical film material is poor, the hotspot phenomenon in front of a lamp is serious, and the cost of redundant parts is increased although lamp socket fireflies and bad tail bright lines can be effectively reduced by using a shading adhesive tape, a diffusion film frame silk screen and a lamp socket small reflector plate in the prior art are solved.

1. The name of the design product: laser machine. 2. The use of the design product: the design product is used for laser repair of bright spots, gray bright spots, bright line defects caused by foreign matter and short circuit in the light-emitting area during the process of digital screen, mobile phone screen and display screen. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides a grating waveguide device for eliminating a central bright line and a waveguide system, the grating waveguide device comprises a waveguide substrate and a grating structure, and the grating structure is arranged on the waveguide substrate; the grating structure comprises a coupling-in grating, a turning grating and a coupling-out grating, and the coupling-in grating adopts a two-dimensional grating. An incident light beam is coupled into the waveguide substrate through the diffraction effect of the coupling-in grating to serve as a diffraction light beam for total reflection propagation in the waveguide substrate; a first part of diffracted light beams propagated in the waveguide substrate in a total reflection manner firstly enter the turning grating area, continue to be propagated in the total reflection manner through the waveguide substrate under the diffraction action of the turning grating and then enter the coupling-out grating area, and a second part of diffracted light beams propagated in the waveguide substrate in the total reflection manner directly enter the coupling-out grating area; partial light beams in the first partial diffracted light beam and the second partial diffracted light beam are coupled out of the waveguide through the diffraction effect of the coupling-out grating to form waveguide imaging; a waveguide imaging center bright line is eliminated by adjusting a grating structure and utilizing multiple diffraction.

The utility model discloses a light guide piece, lighting device and vehicle for vehicle, the utility model relates to light guide technical field, and light guide piece has the light inlet surface and the light outlet surface, and the light inlet surface is used to set up with light source piece to correspond to to make light source piece emit light enter light guide piece and emit from the light outlet surface, and light guide piece still has the side wall surface connected between the light inlet surface and the light outlet surface, and the side wall surface forms the recessed groove recessed to light guide piece. Through recessed groove recessed to light guide piece at the side wall surface of light guide piece, recessed groove recessed to light guide piece can make light occur diffuse reflection or scattering at recessed groove, to make light more evenly mix and spread in light guide piece inside, thereby can greatly reduce the risk that the local overbright of light outlet surface forms bright line, and recessed groove presents 3D effect that suspends in material under the condition of not destroying the permeability of light guide piece, and the delicate feeling and design sense of light guide piece are improved on the appearance.

This invention relates to the field of forging technology, and in particular to a forging method for an L-shaped long strip thin plate forging. The forging method for an L-shaped long strip thin plate forging includes the following steps: (a) flattening the circumferential surface of a bar stock, rotating it 90° circumferentially and flattening it again to obtain a strip-shaped billet with a rectangular cross-section along the thickness direction; (b) rolling the strip-shaped billet to obtain a T-shaped thin plate billet; (c) die-forging the T-shaped thin plate billet to obtain an L-shaped long strip thin plate forging. The forging method of this invention can solve the problems of difficult billet preparation and uncontrollable flow lines in L-shaped long strip thin plate forgings, and avoids defects such as bright lines in L-shaped long strip thin plate forgings.