147 results about "Bright line" patented technology

The invention discloses an electronic paper display panel, a control method of the electronic paper display panel and a display device, and mainly relates to the technical field of display. An electrophoretic reflection layer is arranged on an array substrate and located on the side, facing a filtering substrate, of the array substrate; the controllable light reflection layer, the color filter layer and the common electrode layer are sequentially arranged on the side, facing the array substrate, of the filter substrate. The color filter layer comprises a plurality of sub color resistors, the sub color resistors are arranged at intervals, a color resistor gap is defined between every two adjacent sub color resistors, and the projection of the controllable light reflection layer is located on the color resistor gaps; the common electrode layer can control light irradiated to the controllable light reflecting layer to be reflected to the side, away from the light filtering substrate, of the color light filtering layer or to the side, away from the color light filtering layer, of the light filtering substrate, and through the design, the brightness of the electronic paper display panel can be improved when the light intensity of the external environment is weak; when the light intensity of the external environment is high, the display problem of bright lines is avoided.

The invention provides a dual-polarized SAR image building height obtaining method and device. The method comprises the steps that a dual-polarized SAR image containing a building is obtained through aerial remote sensing; determining the position of a near-end bright line of the building image according to the dual-polarized SAR image as a near-end horizontal first position of the building along the ground; determining a far-end horizontal second position of a boundary line of a shadow area of the building image according to the SAR image; and calculating the building height according to the flight height, the lower visual angle, the near-end horizontal first position and the far-end horizontal second position. According to the invention, the problems of complex calculation and poor precision in the prior art for obtaining the building height through a synthetic aperture radar wide area monitoring and measuring technology are solved.

The present application relates to the anti-counterfeiting technical field and discloses an anti-counterfeiting element that comprises: a dynamic pattern, wherein the dynamic pattern comprises at least one bright line, and a feature area is an area range within which the bright line moves; wherein the feature area comprises a plurality of curved-surface structures, each curved-surface structure has a plurality of light coordinate zones parallel to a surface of the feature area, each of the light coordinate zones includes a first direction and a second direction, respective ones of the light coordinate zones correspond to line segments with different curvatures on the bright line in one-to-one correspondence; the curved-surface structure is shaped in a curved manner along the first direction, wherein a bending degree of the curved-surface structure along the second direction is less than that of the curved-surface structure along the first direction. By arranging each curved-surface structure to be shaped in a curved manner along the first direction, for incident light in a predetermined direction, emergent light from the curved-surface structure can come out over a fan-shaped direction range, so that angle distribution of the emergent light is more uniform, that is, an effect equivalent to the combination effect obtained by a plurality of reflective facets in the prior art can be obtained with each single curved-surface structure, therefore, a clearer dynamic effect can be achieved for movement of the bright line.

The invention provides a wavelength calibration method, a calibration sample, and a program product. The wavelength calibration method is a wavelength calibration method for a multicolor spectrometer provided with a diffraction grating and a detector at which light dispersed by the diffraction grating is imaged. The wavelength calibration method includes the steps of: providing light containing a known clear spectrum to a multicolor spectrometer, and acquiring a first measurement result output from a detector; a second measurement unit that supplies reflected light or transmitted light to the multicolor spectrometer, said reflected light or transmitted light being generated by irradiating a calibration sample having a gap provided therein with light, and acquires a second measurement result output from the detector; determining a wavelength table such that the position of the known clear spectrum in the first measurement result matches the wavelength of the known clear spectrum; and repeating the update of the wavelength table so as to minimize an error calculated on the basis of the second measurement result and the wavelength table.

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.

According to the brightness enhancement film and the backlight module, a prism layer is composed of a high-haze atomization prism area and a common prism area, and the light distribution of the edge is improved by controlling the specific position, haze and other parameters of the prism layer, so that the light is more uniform; a roller type prism mold and a sand blasting treatment technology are adopted for manufacturing, a microstructure is formed on the mold through sand blasting treatment, and the shape and the pattern are copied to a prism layer of the brightness enhancement film through the mold by utilizing a transfer printing and photocuring technology, so that the performance and the quality of the brightness enhancement film are ensured, and meanwhile, efficient and accurate manufacturing of the brightness enhancement film is realized; according to the brightness enhancement film, the light uniformity of the display device can be improved, and the shielding performance, the firefly resisting effect and the sky side bright line eliminating capacity of a product are effectively enhanced.

The utility model provides a backlight module, a display module and a display device.The backlight module comprises a light guide plate which comprises a light emitting face and a backlight face which are oppositely arranged; the optical film layer is arranged on the light emitting surface of the light guide plate; the rubber frame and the optical film layer are arranged in a spaced mode, the rubber frame comprises a plurality of side rubber frames which are sequentially connected end to end, each side rubber frame comprises a first part and a second part, the first parts are arranged on the side, away from the light guide plate, of the optical film layer at intervals, and orthographic projections of the first parts on the optical film layer cover the ends of the optical film layer; the back plate is connected with each second part and the backlight surface of the light guide plate, a containing interval is formed between the back plate and the first part of at least one side rubber frame, the orthographic projection of the containing interval on a first plane covers the orthographic projection of the optical film layer on the first plane, the first plane is the plane where the second parts are located, and the second parts are located on the second plane. It can be ensured that bright lines do not appear while a narrow frame is achieved.

The embodiment of the present application provides a backlight module and a display device. In the backlight module provided by the embodiment of the present application, since the light absorbing portion is arranged at one end of the reflective sheet close to the light incident surface, the light absorbing portion is closer to the light source than the reflective sheet, so that part of the outgoing light from the light source can be absorbed by the light absorbing component of the light absorbing portion, which can reduce the brightness at the light absorbing portion, and further reduce the brightness of the edge of the display area close to the light source in the display device using the backlight module, thereby avoiding the problem of excessive brightness at the edge of the display area. By having at least two concave portions on the side surface of the reflective sheet close to the light source, the end face can be made to have different convexities and concavities, so that at least part of the light incident on the end face is diffusely reflected, which can reduce the degree of light concentration at the end face, thereby reducing the brightness of the end face, and preventing the formation of a clear bright line at the end face of the light absorbing portion, thereby further avoiding the problem of excessive brightness at the edge of the display area.

The invention discloses a display device and an electronic device. The display device includes: a display area configured to include a plurality of pixels and a plurality of data lines connected to the pixels; an aperture region disposed within the display region; and a hole crack detection line disposed adjacent to the hole region and surrounding the hole region. The equipment further comprises a first detection line and a second detection line, the first detection line comprises a first detection transmission line and a first detection receiving line, and the second detection line comprises a second detection transmission line and a second detection receiving line; and a test controller electrically connecting the first detection reception line to the first data line, and electrically connecting the second detection reception line to the second data line. A pixel connected to a first data line connected to the first bright line transistor and a pixel connected to a second data line connected to the second bright line transistor are configured to emit light when a crack occurs in the hole crack detection line.

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.

The utility model relates to the technical field of car lamps, in particular to a light guide assembly, a light-emitting module using the light guide assembly and an ADS marker lamp, and the light guide assembly comprises a long-strip-shaped light guide support and a light guide strip partially embedded into the light guide support in the length direction of the light guide support. Wherein an embedding groove for embedding the light guide strip is formed in the light guide bracket; a reflective membrane is also embedded between the light guide bracket and the light guide strip; and the light guide strip comprises a strip-shaped light guide main body part and a pair of light inlet parts which are integrally formed at two width direction ends of the light guide main body part and are bent towards the same side relative to the light guide main body part. According to the utility model, the lighting uniformity can be considered, and the defects of bright lines and bright spots can be avoided.

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 application discloses a display device and a display method thereof. The display device comprises sub-pixels of multiple color types, and the light-emitting colors of the sub-pixels of different color types are different. The display method comprises the following steps: acquiring the segment number of a first type display gray scale, the continuous column number of each segment and the column position of each segment in a pixel row to be compensated; acquiring the continuous row number of the pixel row displaying the first type display gray scale according to the segment number, the continuous column number of each segment and the column position of each segment; determining the gray scale compensation value of the sub-pixel of a second type display gray scale in the pixel row to be compensated according to the segment number, the continuous row number, the total column number of the first type display gray scale in the pixel row to be compensated and the row position of the pixel row to be compensated; and compensating the gray scale of the sub-pixel by using the gray scale compensation value corresponding to the sub-pixel; wherein the gray scale difference between the first type display gray scale and the second type display gray scale is greater than a first preset value. The application can improve the problem of unexpected bright lines and dark lines in the display device during display.

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 provides a lamp panel and a display module. The lamp panel comprises a substrate, a light-emitting part and a packaging colloid. The substrate comprises a circuit board and a baffle, the circuit board is provided with a supporting surface, a plurality of spaced welding positions are arranged on the supporting surface, the baffle is arranged around the edge of the circuit board and protrudes out of the supporting surface, the baffle and the circuit board jointly define a packaging groove, and the baffle can reflect light; a plurality of light-emitting pieces are arranged, and each light-emitting piece is arranged on one welding position; the packaging colloid is filled in the packaging groove, and the hardness of the packaging colloid is smaller than that of the baffle plate. According to the lamp panel, the side edge of the packaging colloid is wrapped by the baffle in the circumferential direction, the lamp panel is not prone to being collided and damaged in the assembling and disassembling process, the baffle can reflect light rays, the situation that the light rays are refracted out of the side edge of the packaging colloid, and consequently light leakage is caused around the lamp panel is reduced or avoided, and therefore bright lines at the splicing seam of the lamp panel are reduced or eliminated.

The invention relates to the technical field of image enhancement, in particular to a fish variety detection method and system based on ocean fishing vessel video surveillance, and the method comprises the steps: determining the analysis duration through analyzing the fluctuation degree change of sea surface ripples; and then analyzing the bright line change correlation of the bright lines on the surface of the fish body, obtaining a bright line weakening coefficient of the bright lines on the surface of the fish body in combination with the fluctuation degree of sea surface ripples, and further performing image enhancement to complete fish variety detection. According to the invention, through analyzing the corresponding relation between the change of the bright lines between different frames and the change of sea surface ripples in the fish swimming process, the bright lines on the fish body are distinguished from the stripes of the fish body, and the image is non-uniformly enhanced, so that the stripes of the fish on the image are more obvious, and the accuracy of the fish is improved. Therefore, the identification accuracy of fish varieties through video monitoring is improved.

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 embodiment of the invention provides a display panel and electronic equipment, and relates to the technical field of display, the display panel comprises a substrate, a pixel defining layer, a light emitting unit and a touch layer, the pixel defining layer is located on one side of the substrate, and the pixel defining layer is provided with a plurality of pixel openings; at least part of the light-emitting units are located in the pixel openings; the touch layer is located on the side, away from the substrate, of the light emitting unit, the touch layer comprises a plurality of touch electrodes arranged at intervals and a touch wire located between every two touch electrodes, the touch wires are electrically connected with the corresponding touch electrodes, and a plurality of first fractures are formed between the touch wires and the touch electrodes. According to the display panel, non-functional wires between the touch electrodes and the touch wires are omitted, so that the number of fractures between every two adjacent touch electrodes can be reduced, it is not easy to see that bright lines are generated by multiple first fractures on the display panel, and the display effect of the display panel can be greatly improved.

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.

The embodiment of the invention provides a display panel and display equipment, a first end of a first test module is connected with a data signal line of a bending area, a second end of the first test module is connected with a low level signal, a control end of the first test module is connected with a control signal, and when a control pixel is lightened, the control signal is an effective signal; the first test module responds to an effective signal, so that a path is formed between a low-level signal and a data signal line, that is, the data signal line inputs the low-level signal, a data signal connected with a pixel circuit of a pixel is the low-level signal, the pixel circuit is controlled to be turned on, and if a bright line exists in a display area, the display area is turned off. And determining that the data signal line with the crack exists in the bending area.

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.

The present invention relates to the field of image enhancement technology, and more specifically to a fish species detection method and system based on video surveillance of distant-water fishing vessels. The present invention determines the analysis duration by analyzing changes in the degree of sea surface ripples. The present invention then analyzes the correlation between changes in bright lines on the fish's surface and, in combination with the degree of sea surface ripples, obtains a bright line attenuation coefficient for the bright lines on the fish's surface. Image enhancement is then performed to detect fish species. By analyzing the correspondence between changes in bright lines between different frames of a fish's swimming and changes in sea surface ripples, the present invention distinguishes bright lines on the fish from its own stripes, and unevenly enhances the image, making the fish's own stripes more prominent in the image. This improves the accuracy of fish species identification through video surveillance.

The invention relates to the technical field of anti-counterfeiting, and discloses an anti-counterfeiting rubber cap based on a micro-nano optical structure and a preparation method thereof.The anti-counterfeiting rubber cap comprises an anti-counterfeiting rubber cap body, a plurality of bright lines are arranged on the outer side of the anti-counterfeiting rubber cap body, dark lines are arranged on the anti-counterfeiting rubber cap body located between every two adjacent bright lines, and a code spraying area is further arranged on the outer side of the anti-counterfeiting rubber cap body; a plurality of separation lines are arranged at the top of the anti-fake rubber cap, an anti-fake chip is fixedly connected to the center of the top of the anti-fake rubber cap, and a plurality of verification points are arranged at the positions, close to the separation lines, of the top of the anti-fake rubber cap. Multiple anti-counterfeiting structures such as bright fringes, dark fringes, a code spraying area and an anti-counterfeiting chip are integrated, a multi-dimensional anti-counterfeiting system is formed, the imitation difficulty is greatly improved, a multi-layer interference optical variable structure of the bright fringes presents specific color value changes along with the visual angle, and the identification degree is high; due to the design of the micro-nano grating with dark fringes, exclusive patterns with high diffraction efficiency can be generated through laser irradiation, and the anti-counterfeiting reliability is enhanced.

The present invention relates to a phase-type spatial light modulator defect detection device and method based on a phase lens. The device comprises a laser source, a collimating beam expander, a beam splitter cube, and a detector. The collimating beam expander converts laser light generated by the laser source into uniform parallel light. The uniform parallel light is transmitted through the beam splitter cube to the spatial light modulator to be tested. The light reflected by the spatial light modulator to be tested is then reflected through the beam splitter cube to the input end of the detector. The spatial light modulator is configured to focus the phase pattern of the loaded cylindrical lens. The device determines whether the bright lines in the image captured by the detector are uniform. If so, the surface of the spatial light modulator to be tested is free of defects; otherwise, the surface of the spatial light modulator to be tested has defects. Compared with existing technologies, the present invention has the advantages of improved detection efficiency.

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.