68 results about "Visual resolution" patented technology

The invention discloses a pixel circuit and a driving method thereof, and a display panel. The pixel circuit comprises a first sub-pixel circuit and at least one second sub-pixel circuit, wherein the first sub-pixel circuit writes a first data voltage provided by a first data line under control of a first scanning line and generates a compensation voltage at a first node; the at least one second sub-pixel circuit carries out threshold voltage compensation through using the compensation voltage generated at the first node; and based on a display mode, the at least one second sub-pixel circuit writes a second data voltage provided by a second data line under control of a second scanning line. By using the pixel circuit and the driving method thereof, and the display panel, combination of threshold voltage compensation and intelligent display is performed on a driving transistor of the pixel circuit so that an influence of drifting of a threshold voltage on a driving current of the driving transistors can be eliminated, and visual resolution to each area of the display panel is adjusted in real time aiming at a condition that a user pays attention to different points of a frame displayed by the display panel.

The invention provides a pixel array. The pixel array comprises a plurality of pixel groups, each pixel group comprises three sub-pixels which are arranged around a center point, and three sub-pixels of a pixel group in the current row and current line, one sub-pixel in a pixel group of the next row, one sub-pixel of a pixel group in the last row and last line and one sub-pixel of a pixel group in the last row and last line. The invention further provides a display method of the pixel array, a display panel comprising the pixel array and a display device comprising the display panel. By the aid of the driving method, a vision resolution higher than a physical resolution can be acquired when the pixel array is driven by the driving method.

The invention relates to a multifunctional mouse tail intravenous injection platform. The mouse tail intravenous injection platform comprises a platform body, a mouse cage, a pressure regulating device, a mouse tail bracket, a temperature control device, a light guide system device and a magnifying lens; the mouse cage is fixed to the upper surface of the platform body; the pressure regulating device is arranged at the front end of the mouse cage, and the mouse tail bracket is arranged on the outer side of the pressure regulating device; the temperature control device is arranged on one side of the mouse tail bracket; the magnifying lens is arranged at the edge of one end of the mouse tail bracket. The multifunctional mouse tail intravenous injection platform has the advantages that pressure regulation can be conducted on the root of a mouse tail, and under a pressurization state, the intravenous distal lumen of the mouse tail can be expanded, so that decompression is facilitated, quick and stable caudal intravenous puncture and injection are facilitated, and manpower and cost can be reduced; the mouse tail can be heated, and the temperature can be controlled and adjusted to 35 DEG C, so that the tail vein is expanded; meanwhile, through the light guide system device, the magnifying lens and other auxiliary devices, the visual resolution of an operator is improved, and the success rate of puncturing is increased.

The present invention provides a stereoscopic display component, a liquid crystal panel and a display device. The stereoscopic display component includes a backlight board and a grating array, wherein the backlight board includes a plurality of backlight sets, each backlight set includes a plurality of backlight strips capable of emitting light independently, the grating array includes a plurality of grating sets in one-to-one correspondence with the plurality of backlight sets, each grating set includes a plurality of gratings in one-to-one correspondence with the plurality of backlight strips in each backlight set, and each grating can be used for guiding light emitted from the backlight strip corresponding to the grating to two preset viewpoints. The present invention further provides a liquid crystal panel and a display device. The display device provided by the present invention has relatively high visual resolution.

The invention discloses a pixel array and a drive method thereof and a display panel. The pixel array comprises X lines and Y rows of sub-pixel periods, and each sub-pixel period comprises two or three same color actual sub-pixels arrayed next to each other; all actual sub-pixels of each sub-pixel period can be turned on at the same time, and each actual sub-pixel of each sub-pixel period can be turned on alone, wherein X and Y are natural numbers. The drive method is a drive method for the pixel array, and the display panel is a display panel comprising the pixel array. By adopting the pixel array and the drive method thereof disclosed by the invention, the types of vision resolution of the display panel comprising the pixel array are enabled to be two.

The invention provides a display panel and a display device. The display panel comprises a substrate and a pixel electrode layer arranged on the substrate. The pixel electrode layer comprises a plurality of pixel electrode groups, and the plurality of pixel electrode groups are arranged in an array along a first direction and a second direction; each pixel electrode group comprises a first sub-pixel electrode, a third sub-pixel electrode, a second sub-pixel electrode and a fourth sub-pixel electrode, the first sub-pixel electrode and the third sub-pixel electrode are arranged in the third direction, and the second sub-pixel electrode and the fourth sub-pixel electrode are arranged in the fourth direction. The first sub-pixel electrode and the third sub-pixel electrode are located at the two sides of at connecting line between the geometric center point of the second sub-pixel electrode and the geometric center point of the fourth sub-pixel electrode. Projections of the second sub-pixelelectrode and the first sub-pixel electrode along the first direction and the second direction are partially overlapped; projections of the fourth sub-pixel electrode and the third sub-pixel electrode along the first direction and the second direction are partially overlapped; thus, the sub-pixels can be closely arranged as much as possible, the distribution uniformity of the sensitive color sub-pixels is improved, the visual resolution is improved, and the display quality is improved.

A screen-type optical tester with an adjustable environmental brightness can adjust a target brightness and a background brightness independently, and is used for testing the visual resolutions of various hole types on targets. The overall structure of the optical tester with the adjustable environmental brightness is characterized in that five connecting pipes, a left hemispherical casing, a right hemispherical casing and a telescopic sleeve form a target optical access, a background optical access and a brightness environment separately, and a convex lens, multiple sets of optical attenuation slices and a screen are arranged in the target optical access, and a convex lens, three flat mirrors and multiple sets of optical attenuation slices are arranged in the background optical access; a light source is located on the focuses of the two convex lenses, and a sliding groove plate is driven by a stepping motor, and can do reciprocating motion in a limiting guide plate via a rack and pinion mechanism; three targets can be arranged in the sliding groove plate, each target can be put in and taken out from the sliding groove plate freely, and the flat mirrors in a sphere can change the incidence angle and the reflection angle of light rays by adjusting a rotating screw rod and a T-shaped groove plate, and an eye-distance can be adjusted by the telescopic sleeve.

The invention discloses a vision training method for improving visual ability on the basis of dynamic brain fitness. The method comprises at least one of three-character vision training, de-crowding vision training, word selection vision training, gazing vision training, rapid-sequence visual presentation training and contrast sensitivity training. The three-character vision training can improve the peripheral vision identification ability of a tested person; the de-crowding vision training can reduce the crowding phenomenon of the peripheral vision field of the tested person and increase theimage processing speed of the eyes and brain; the word selection vision training can improve the ability of the eyes and brain of the tested person to select and response to effective Chinese characters; the gazing vision training can alleviate the crowding phenomenon of the peripheral visual field of the tested person and improve the visual identification ability; the rapid-sequence visual presentation training can strengthen the visual cohesion of the tested person so as to increase the reading speed of the eyes of the tested person; the contrast sensitivity training can improve the visual resolution of the tested person. Therefore, the visual comprehensive ability of the tested person can be effectively and integrally developed by means of the method.

The invention reveals a naked-eye 3D display system capable of carrying out lateral and vertical display, and the system comprises a signal processing device, an image display device and an optical grating image-splitting device, wherein the optical grating image-splitting device is arranged in an inclined manner. The system can achieve lateral-screen display, and can carry out anticlockwise 90-degree rotation to achieve vertical-screen display, the optical grating is arranged to be inclined towards the right side, and compared with the vertical-screen display of a 3D video signal, the lateral-screen display of the 3D video signal enables a single viewpoint image to make 90-degree clockwise rotation and the viewpoint arrangement position is not changed; or the system can achieve lateral-screen display, and can carry out clockwise 90-degree rotation to achieve vertical-screen display, the optical grating is arranged to be inclined towards the left side, and compared with the vertical-screen display of the 3D video signal, the lateral-screen display of the 3D video signal enables the single viewpoint image to make 90-degree anticlockwise rotation and the viewpoint arrangement position is not changed. The system provided by the invention can achieve the lateral-screen or vertical-screen naked-eye 3D display according to the needs, and meets the demands of various applications. The system can improve the 3D visual resolution and a 3D spatial effect, and can effectively reduce the design complexity.

The invention relates to improvements in security features which comprise at least one printed image and, in particular, to such security features which provide an improvement in the resolution of printed images forming security features using inks, pigments or printing processes which do not lend themselves to the production of sharply defined or high resolution images. The security feature comprises an opague first image and a second image at least partially overlying the first image, the second image being a printed image which has a lower visual resolution than the first image. The formation of the second image is such that, when the security feature is viewed in transmitted and/or reflected light, only the shape of the first image is readily discernable.

The invention provides a light-guide fiber intelligent prompt system for a pedestrian crosswalk and belongs to the fields of electronics, optics and the like. The system comprises an infrared induction detector module, an LED lamp and a light-guide fiber module, wherein the data output end of the infrared induction detector module is connected with the LED lamp and the data input end of the light-guide fiber module. The system has main functions that the pedestrian crosswalk is an important guarantee for pedestrians in road safety and motor vehicles need to yield to the pedestrians when reaching the pedestrian crosswalk; but due to nightfall or bad weather, light illumination influences the visual resolution factors and response speeds of a great number of motor vehicle drivers; light-guide fibers embedded into the pedestrian crosswalk are lightened by the LED lamp when a condition that the pedestrians pass through the pedestrian crosswalk is detected through an infrared induction detector under the circumstance that the light is dark; the motor vehicles are prompted to beware of pedestrians through flashing for guaranteeing that pedestrians can safely pass through the pedestrian crosswalk.

The invention discloses a 3D display device and a display method thereof. The method comprises the steps that: for any combined pixels, when the mode is switched into a 2D display mode, a first driving signal drives a first row of pixels and a second driving signal simultaneously drives a second row of pixels in a first driving period, and a data transmission unit transmits first image data to the first row of pixels and the second row of pixels; and in a second driving period, a third driving signal S3 drives a third row of pixels, a fourth driving signal drives S4 drives a fourth row of pixels, and the data transmission unit transmits second image data to the third row of pixels and the fourth row of pixels. When a 3D display mode is switched into the 2D display mode, in each driving period, the image data input to a pixel unit enters the view angles of left and right eyes respectively, so that the image content seen by the left and right eyes is identical with the input image data; compared with a 3D display mode, the image content is not halved, and the lossless vision resolution is realized when the 3D display mode is switched into the 2D display mode.

The invention discloses a display driving method, a display driving device and electronic equipment. The display driving method is suitable for a display panel, and the display panel comprises a plurality of sub-pixel areas; wherein each sub-pixel area comprises six sub-pixel elements with the same color and each real pixel unit comprises three sub-pixel elements with different colors. The displaymethod comprises the steps of obtaining a to-be-displayed image, wherein the to-be-displayed image comprises a plurality of display image points; determining a rendering mode according to the numberof the display image points and the number of the real pixel units; displaying the multiple display image points according to the rendering mode, displaying part of the display image points by the real pixel units, and displaying the other part of the display image points by the virtual pixel units; wherein the virtual sub-pixels of at least one color in the virtual pixel units are jointly displayed by the sub-pixel elements of the same color in the at least two real pixel units. In conclusion, visual resolution can be improved, display effect is balanced, and display stability is high.

The invention discloses a visual resolution enhancement generation method, system and device and a storage medium. Training samples including high-resolution single image samples, low-resolution single image samples and image description information samples corresponding to the high-resolution single image samples and the low-resolution single image samples are adopted; the single image training model established by the preset loss function performs resolution processing on the acquired to-be-processed low-resolution single image, so that the effect of recovering the low-resolution single image into the high-resolution single image can be accurately and efficiently realized; according to the method, a single image with higher definition can be obtained based on specific image description information prior, and high-frequency information of the single image is recovered, so that the output high-resolution single image contains more texture structure details, the definition of the single image is improved, and the method can be widely applied to the technical field of image processing.

Disclosed is a computing method of a pixel arraying structure for improving visual resolution. The computing method includes the steps: connecting middle points of neighboring physical pixels different in color with straight lines so as to allow all the middle points of the abstract pixels to fall on a grid formed by the straight lines; extracting physical pixel Xs, in any color, with the middle points D of the same falling on the grid, taking a middle point D of an any pixel as a center pixel, and searching a most widespread polygon formed by the middle point Ds of the other pixels around the middle point D; defining an average value of the distance from advantaged pixels to the center pixels and naming the average value as visual resolution (VR). The invention further provides a pixel array structure obtained by the above computing method. By the pixel arraying structure, image resolution synthesized by a display is greatly improved, and a sensory effect of human eyes upon the display is improved. Meanwhile, image brightness of the display is uniform, and intense stimulation and damage to the human eyes are avoided.

The invention discloses a remote sensing image fusion method and system based on a characteristic ratio index, computer equipment and a storage medium. The method comprises the following steps: acquiring a satellite remote sensing image with a near-infrared band, a red band, a green band and a blue band; calculating a characteristic ratio index by taking a near-infrared band as a numerator and one of a red band, a green band and a blue band or a linear combination thereof as a denominator; reconstructing a red wave band and a green wave band according to the characteristic ratio index; and according to the reconstructed red wave band, the reconstructed green wave band and the original blue wave band, synthesizing to obtain a final color image. The visual resolution and computer resolution of the true color remote sensing image can be improved, the application potential of the historical remote sensing data true color image mode is mined, and the application effect of the current situation and the future remote sensing data true color image mode is improved.

The invention discloses a display panel and a display device. Second sub-pixels in the display panel comprises segmentation lines which penetrate through the corresponding second sub-pixels in the second direction, each second sub-pixels at least comprises a first sub-part located on a side, close to the other second sub-pixel in the same pixel unit, of the corresponding segmentation line, the closer the width of each first sub-part in the second direction is to the other second sub-pixel in the same pixel unit is, the smaller the first sub-part is, and the second direction is perpendicular tothe first direction; in the first direction, the distance between the two second sub-pixels in the same pixel unit is smaller than the length of any sub-pixel. The embodiment of the invention provides a technical scheme, the distance between the visual gravity centers of the two second sub-pixels is increased, human eyes can accurately distinguish the two adjacent sub-pixels with the same color,it is guaranteed that the visual resolution of the display panel is the same as the physical resolution of the display panel, lines in a display image of the display panel are fine and clear, and thedisplay panel has a good display effect.

The invention discloses a drawing-size correction method and a drawing-size correction system for aerial targets, belonging to the technical field of flight simulation. The method comprises the following steps: establishing a drawing-size correction model for aerial targets according to a visual resolution in advance, and determining the total number of pixel points of a screen according to an expected display resolution, horizontal field and vertical field; acquiring the distance between an aerial target and the local place, and determining a magnification factor corresponding to the distance according to the correction model; and correcting the drawing size of the aerial target according to the magnification factor, and displaying the corrected aerial target on the screen of which the number of pixel points is equal to the total number of pixel points of an LCD (liquid crystal display). The system is a cluster-computing high-definition visual system, and comprises control nodes and slave nodes. According to the invention, the accuracy of aerial-target distance perception of pilots in simulation training is improved, and the cost is greatly reduced, therefore, the method and system disclosed by the invention have strong practical applicability.

The present invention discloses a gamification visual training method and belongs to the technical field of visual training. The method is based on hardware devices such as computer basic components and red and blue split-vision glasses (a kind of 3D glasses), training content is designed through a red and blue three-dimensional display principle, a principle of an active eyeball movement is used,and the method pulls an eyeball movement of a trainee, improves contraction capacity, stereoscopic vision, attention and visual resolution capacity of ciliary muscles and extraocular muscles, and thus reaches effects of preventing and curing asthenopia and preventing and treating myopia. Considering a promotion effect of geometric figures on development of visual space ability of children and teenagers, a series of three-dimensional geometric figures with opening directions are adopted for sighting marks in training, besides, game difficulty changes are achieved in various modes, internal motivation of the children and teenager players is stimulated and maintained, and compliance of the visual training is improved. Meanwhile, learning pressure of the children and teenagers can also be relieved through games, and the gamification visual training method is for the children and teenagers to have leisure and entertainment, helps the children and teenagers to release emotions, and has practicability and interestingness at the same time.