72results about How to "Increase pixel resolution" patented technology

The invention relates to a pixel structure, a display method of the pixel structure and a display device comprising the pixel structure. The pixel structure comprises first sub-pixels, second sub-pixels and third sub-pixels, wherein two oppositely-arranged adjacent third sub-pixels form a third sub-pixel set, the second sub-pixels are arranged in the line direction to form second sub-pixel lines, the first sub-pixels and the third sub-pixel sets are alternatively arranged in the line direction, and the second sub-pixel lines and lines formed by the first sub-pixels and the third sub-pixel sets are alternatively arranged. The second sub-pixels are arranged in the line direction to form the second sub-pixel lines, the first sub-pixels and the third sub-pixel sets are alternatively arranged in the line direction, and the second sub-pixel line and the lines formed by the first sub-pixels and the third sub-pixel sets are alternatively arranged; a geometric center of each second sub-pixel is located on a central line of a connecting line of any two of the two adjacent first sub-pixels and the two adjacent third sub-pixel sets. By means of the pixel structure, the opening rate of the sub-pixels can be improved while the high resolution ratio is achieved.

The invention belongs to the technical field of electronic technologies and photoelectronic imaging technologies, in particular relates to a single-photon avalanche diode and a three-dimensional CMOS (Complementary Metal Oxide Semiconductor) image sensor based on the diode. The single-photon avalanche diode of the invention improves the traditional rectangular photosensitive PN junction into a regular octagon and can conveniently and simply weaken edge breakdown and improve gain uniformity. A two-dimensional pixel array of the three-dimensional CMOS image sensor based on the diode comprises unit pixels of the regular octagon-shaped single-photon avalanche diode and is arrayed in a honeycomb-shape, thereby being convenient for interpolation and improving resolution in horizontal and vertical direction.

Lithography system, sensor and method for measuring properties of a massive amount of charged particle beams of a charged particle beam system, in particular a direct write lithography system, in which the charged particle beams are converted into light beams by using a converter element, using an array of light sensitive detectors such as diodes, CCD or CMOS devices, located in line with said converter element, for detecting said light beams, electronically reading out resulting signals from said detectors after exposure thereof by said light beams, utilising said signals for determining values for one or more beam properties, thereby using an automated electronic calculator, and electronically adapting the charged particle system so as to correct for out of specification range values for all or a number of said charged particle beams, each for one or more properties,; based on said calculated property values.

The invention relates to an expressway vehicle detection method based on improved visual background extraction, which comprises the steps of 1, initializing a read-in image, wherein an input color image is converted into a grayscale image; 2, carrying out background molding on the image, carrying out background initialization if the image is a first frame image, and otherwise, carrying out background updating so as segment out the background; 3, segmenting out a road surface from the foreground; 4, carrying out eight-neighborhood filling on the image; 5, removing a lane line by using a characteristic that the lane line is narrow; 6, filling the internal part of a vehicle by using a longitudinal filing method; and 7, extracting a vehicle area and drawing an external rectangular frame of the vehicle area. According to the invention, vehicles on the expressway in aerial video of an unmanned aerial vehicle are detected by adopting a mode of image processing, the cost is low, the detection precision is high, the real-time performance is good, and the application range is wide.

A method for forming a field emission cathode device is disclosed using a peelable photoresist with standard photolithography processes for patterning a deposition mask, except that the peelable photoresist can be peeled away in dry form. The method offers standard photoresist accuracy with the advantage of high patterning resolution for producing carbon nanotube (CNT) field emitter displays. Example methods using a single peelable photoresist layer, and using two distinct layers of photoresist and peelable film, are presented. Since the method does not require wet processes after CNT deposition, it ensures enhanced CNT emitter performance. In addition, an activation process that liberates CNTs can be performed just before a tape lamination and peeling process step. In this manner, all superfluous nanoparticle material remains confined between the tape and photoresist films, which are removed together and properly discarded.

The invention provides a long-distance naked-eye stereoscopic display method and a system thereof. Scene segmentation of original three-dimensional image data and rendering of oversampling processing are matched with fusion processing in a display process, high-dimensional space information of the original three-dimensional image data is segmented and rendered to a plurality of to-be-modulated two-dimensional image data, and a display fusion algorithm in time and a ray modulation method are utilized to fuse the two-dimensional image data of a to-be-displayed three-dimensional image into a high-dimensional light field in order to carry out three-dimensional display. According to the method and the system, the hardware requirements of long-distance naked-eye stereoscopic display for the system can be effectively reduced, and the to-be-displayed long-distance three-dimensional image data is segmented into multiple parts of space information; the fusion is carried out in the display process through time-sharing refresh in order to increase the display density of the space light field, and the stereoscopic display effect of the surface can be effectively improved in order to increase the depth of three-dimensional display, so that the purposes of large depth range, vivid stereoscopic impression, high pixel resolution and fast display speed of the displayed three-dimensional image are realized.

The invention discloses a double-side display device. Two organic light-emitting diodes with opposite light-emitting surfaces are arranged in an identical pixel unit, so that a double-side display effect is achieved under the situation of ensuring high pixel resolution and high resolution. The invention also discloses a manufacturing method of the double-side display device. Double-side display can be realized by manufacturing two organic light-emitting diodes with opposite light emitting surfaces in the identical pixel unit. A manufacturing process is simple; a high resolution can be realized; the manufacturing cost of the double-side display device is lowered effectively; and the display quality of the double-side display device is improved.

The invention discloses a fingerprint detecting device and a detecting method thereof, a touch screen and an electronic device. The device comprises: a glass cover plate for bearing touch operation offingerprints; at least one group of detection devices, wherein at least one group of detection devices comprises a light source which is arranged at one side of the glass cover plate and used for emitting detection light rays and the detection light rays enter the glass cover plate from one side; a lens which is arranged between a photosensitive array and the other side of the glass cover plate and used for converging the detection light rays reflected by the glass cover plate to obtain converged light; and the photosensitive array which is arranged at the other side of the glass cover plateand used for determining the image information of the fingerprints according to the converged light, wherein the horizontal resolution of the photosensitive array is greater than the longitudinal resolution of the photosensitive array. By means of the device disclosed by the invention, the technical problem of poor fingerprint recognizing effect in conventional under-the-screen fingerprint recognizing techniques is solved.

The invention provides a display signal input device, a display signal input method, and a display system including the display signal input device. The display signal input device includes: a plurality of sub-image receiving modules, each of which is used for receiving one sub-image and outputting the received sub-image, wherein the plurality of sub-images can be arranged into an original image according to a predetermined sequence; and an image stitching module for synthesizing the display signals corresponding to the respective sub-images and outputting the synthesized display signals in groups.

The invention discloses a maskless photo-etching system based on nanometer lenses, which is used to increase exposure pixel resolution of maskless photo-etching. The maskless photo-etching system comprises a movable platform, an optical imaging system and a focusing array, wherein a to-be-exposed element is placed on the movable platform, the optical imaging system provides a patterning beam array needed for exposing the element, and the focusing array is formed by nanometer lenses, wherein every nanometer lens correspondingly focuses on every beam projected to the element in the patterning beam array. The nanometer lenses can have pixel resolution which is superior to that of the traditional zone plate, and even can break through the diffraction limitation of 1 / 2 wavelength of an optical lens. Further, the work distance of the nanometer lens can range from 1micron to 100 microns.

The invention discloses a light-emitting pixel arrangement structure, a pixel multiplexing control method and electronic equipment. Relates to the technical field of display, in particular to a pixel multiplexing control technology. The problem that an existing pixel arrangement and control method is prone to causing deformation of a display image is solved. For an interlaced same-primary-color light-emitting pixel arrangement structure, a triangular structure formed by three different-primary-color pixels is used as a display unit, and all the display units form a matrix display structure; according to the control method, virtual display of a frame of picture is completed through four times of progressive scanning or two times of progressive scanning or pre-calculation and one time of scanning. The method is suitable for control of any existing display structure with a plurality of point or block light sources as light-emitting pixels, and is especially suitable for control of display structures with LEDs as light-emitting pixels. The definition is improved, deformation of the display image is avoided, edge color lines cannot appear when the display screen is cut, the pixel resolution is high, and the image edge fusion degree is improved.

The invention discloses a pixel arrangement structure for an OLED display panel, and the OLED display panel. The pixel arrangement structure comprises a plurality of first subpixels, a plurality of second subpixels, and a plurality of third subpixels. The first and second subpixels are alternately arranged in the row direction of the display panel, and a gap between the first and second subpixels which are selected at intervals is provided with two third subpixels in the row direction. The first and third subpixels are alternately arranged in the column direction of the display panel to form a first sequence, and the second and third subpixels are alternately arranged to form a second sequence. The first and second sequences are alternately arranged in the row direction. The structure provided by the invention can achieve the high-pixel-resolution presentation capability through a smaller number of subpixels, and reduces the technological difficulty and cost in preparation of a high-resolution display panel.

The embodiments of the invention disclose an organic light-emitting display panel and a preparation method thereof. The preparation method of the organic light-emitting display panel comprises the following steps of: providing a substrate; preparing multiple independently-set first sub electrodes on one side of the substrate, wherein an interstitial site is formed between the adjacent two first sub electrodes, the interstitial site is filled with an insulation layer, each interstitial site comprises a first interstitial site and a second interstitial site, and the clearance between the adjacent two second interstitial sites comprises at least one first interstitial site; preparing pixel definition layers on the second interstitial site position, wherein an organic light-emitting display area is formed between two adjacent pixel definition layers; preparing the same type of organic light-emitting layers on the organic light-emitting display area; and preparing second electrodes on one sides, far from the substrate, of the organic light-emitting display layers and the pixel definition layers. In conclusion, the pixel resolution of the organic light-emitting display panel can be improved without changing the preparation process of the organic light-emitting layer in the existing organic light-emitting display panel.

The invention discloses a preparation method of a cathode isolation column of an organic light emitting display (OLED). The preparation method comprises the following steps: firstly, preparing a coining mold, and obtaining a predesigned convex structural pattern on the mold; uniformly applying a layer of ultraviolet solidification glue on an ITO substrate, and allowing the ultraviolet solidification glue to freely flow to be flat and form a coining layer; pressing the mold in the coining layer, filling the convex structural pattern of the mold with the ultraviolet solidification glue, and through exposure, enabling the ultraviolet solidification glue to have a reaction to be hardened and formed; releasing pressure to separate the mold from the ITO substrate; performing reactive ion etchingon the ITO substrate to remove remained ultraviolet solidification glue, and obtaining a convex structure of which the ratio is the same as that of the mold; inverting the ITO substrate, adhering theultraviolet solidification glue to the top of the convex structure through a micro contact method, and performing standing forming; and performing irradiation solidification with an UV light source,so as to obtain the cathode isolation column. According to the preparation method disclosed by the invention, an ultraviolet coining technology is adopted, so that the cathode isolation column is prepared under room temperature and constant pressure; the preparation method is simple in technology and few in steps, and besides, moisture cannot be introduced; the device life of the OLED is greatly prolonged; and the pixel resolution is obviously increased.

The invention discloses a pixel circuit and a driving method thereof and a display device. The pixel circuit comprises a current control sub-circuit and a gray scale control sub-circuit; the current control sub-circuit is used for receiving a display data signal and a light-emitting control signal and controlling whether to generate a driving current or not according to the light-emitting control signal, and controlling the current intensity of the generated driving current according to the display data signal; the gray scale control sub-circuit is used for receiving the mode control signal and the generated driving current, and when the mode control signal is in a first display mode, the light-emitting element is driven in a first duration; when the mode control signal is in a second display mode, the light-emitting element is driven in a second duration, and at least one of the first duration and the second duration is composed of a plurality of pulse periods. According to the invention, the light-emitting element is driven in different durations according to different display modes, and at least one of the different durations is composed of a plurality of pulse periods, so when the gray scale is low, the light-emitting time can be dispersed in the light-emitting stage, and the flicker phenomenon of the low gray scale is avoided.

The invention provides a method for producing three-color light-emitting diode for display screen, which relates to the production method of LED; including the following steps of: A. using a stand with reflection cup body bottom parts which are not in one flat, that is the stand on which an arbitary position of bottom of the reflection cup body subsidises one height at least and forms a small reflection cup for imbedding one or multiple luminous chips; thickening the frame composed of cup body (6), every electrode lead wire (7), (8), (9), (10) up to more than 1.2mm; B. fixing every color LED luminous chip on corresponding position inside the cup body respectively, connecting the electrode and lead with conducting wire; C. packaging into completed product with various shapes with monolithic transparent epoxide resin. The three-color light-emitting diode provided by the invention has the advantages of long service life, energy conservation, green environment friendly pollution-free, color enrichment and high color purity, and the lightness and color of the diode can be adjusted arbitrarily used with control circuit and environment friendly clean energy.

The invention belongs to the technical field of image processing, discloses a high-quality precise panoramic imaging system and method based on a single lens reflex camera, and provides a solution forintegrated development of multiple single lens reflex cameras. The system comprises a data processing end, a data conversion end and a data acquisition end. The data processing end adopts an embeddedprocessor and is provided with a program for controlling a plurality of camera shutter lines, a mode switching program, a picture downloading program and a panoramic splicing program. According to the invention, an integrated system of shutter line control and picture storage of a plurality of cameras is realized, and an image set collected at the same time can be processed into a panoramic image. A traditional multi-camera image acquisition and storage mode can be replaced, and the system has the advantages of no transmission distortion, time and labor saving, good panoramic effect, high efficiency, low cost and easiness in secondary development; moreover, the system gives accurate geometric information to the panoramic technology, accords with a photogrammetry model, meets high-level requirements of high-quality imaging and is applicable to various scenes.

The invention discloses a projection device. The projection device comprises a lighting source, a reflecting prism, a DMD module and a rotatable reflecting mirror, wherein the lighting source, the reflecting prism and the rotatable reflecting mirror are arranged in sequence; light emitted by the lighting source is coupled with the DMD module through the reflecting prism; the light enters the rotatable reflecting mirror and is reflected by the rotatable reflecting mirror; and the rotatable reflecting mirror is configured to rotate around a first shaft in a reciprocating manner and rotate arounda second shaft in a reciprocating manner after a set time length is delayed under the condition that the DMD module is opened, so that a single pixel is expanded in the direction perpendicular to thefirst shaft and the direction perpendicular to the second shaft.

By the invention it is proposed a method of manufacturing of an OLED- device, comprising the steps of providing a carrier substrate, depositing a first electrode material layer on said carrier substrate, forming electrically separated areas within the deposited first electrode material layer, depositing a layer of an organic optoelectronic active material (105) on said first electrode material layer, depositing a second electrode material layer on said organic optoelectronic active material layer.; The method is characterized in that in the steps of depositing the organic optoelectronic active material layer and the second electrode material layer the carrier substrate is covered maskless over its entire functional area with said layers and that at least the second electrode material layer is ablated or rendered non-conductive in at least selected areas to form non-conductive areas within the second electrode material layer.

The present invention provides a signal processing method comprising steps of: S1, obtaining an image signal of an original image; and S2, enhancing the image signal of the original image, so as to obtain an image signal of a final image having a pixel resolution no less than that of the original image, wherein, a pixel resolution of the original image is any one pixel resolution selected from a plurality of different pixel resolutions. The present invention further provides a signal processing system and a display device. By using the signal processing method of the present invention, input and processing of images with high resolution can be realized. Moreover, when the original image has a lower pixel resolution, the image signal of a final image with a higher pixel resolution can be obtained based on the signal processing method of the present invention.

The invention provides an ink-jet printing method, an ink-jet printing device and a display device. The ink-jet printing method comprises the steps of spraying ink droplets through a sprayer, specifically, the ink droplets comprise at least one of a magnetic material and a conductive material; and applying acting force opposite to the direction of gravity to the dropping ink droplets so as to adjust the shape of the ink droplets.

The invention provides a receiver device of a laser radar, and the laser radar. The technical field of the invention is the laser radar, and in particular is the receiver device about the laser radar.The receiver device of the laser radar comprises an optical detector array module, a clock signal module and a receiver control module; the clock signal module is connected to the optical detector array module, and comprises multiple time-to-digital converters; the receiver control module is connected to the clock signal module, wherein the receiver device is arranged in a single encapsulation body. The technical points of the receiver device of the laser radar, and the laser radar in the invention are as follows: the receiver device is arranged in the single encapsulation body; the development difficulty and the system cost of the receiver system of the laser radar are reduced; the integration of the system is provided; and thus, miniaturization of the system is realized.

The invention provides an optical imaging system, and the system sequentially comprises, from an object side to an image side, a first lens with positive focal power, wherein the object side surface of the first lens is a convex surface; asecond lens with negative focal power, wherein the object side surface and the image side surface of the second lens are concave surfaces; a third lens with positive focal power, wherein the object side surface and the image side surface of the third lens are convex surfaces; a fourth lens with positive focal power, wherein the object side surface and the image side surface of the fourth lens are convex surfaces; and a fifth lens with negative focal power, wherein the object side surface and the image side surface of the fifth lens are concave surfaces. The optical imaging system has the advantages of high pixel resolution and small size. In addition, the invention also provides an image capturing device and electronic equipment.

A shoe upper fabric, a shoe upper and a shoe upper manufacturing method are provided. The fabric is characterized in that the fabric includes an insulating cloth layer and an aqueous slurry coating; and the aqueous slurry coating includes 1-3% by weight of starch, 1-2% by weight of calcinated silica and 95-98% by weight of water, or includes 3-8% by weight of a modified acrylic acid polymer, 1-2% by weight of calcinated silica and 90-96% by weight of water. The shoe upper comprises the fabric and a pattern spraying layer. The method includes S1) coating the insulating cloth layer with the aqueous slurry coating through a coating machine, S2) drying the insulating cloth layer coated with the aqueous slurry coating, S3) spraying the dried fabric with the pattern spraying layer on a digital printer and S4) subjecting the fabric after the pattern spraying layer is sprayed to infrared ray heating. The fabric and the shoe upper which have good upper pattern effects and good softness and are prone to batch production, and the shoe upper manufacturing method are provided.

The invention provides a lung electrical impedance imaging method based on VDD-Net. The lung electrical impedance imaging method comprises a conjugate gradient pre-mapping module, a feature extraction module, a depth image reconstruction module and an image denoising module. The depth image reconstruction module maps the measured voltage sequence into field domain spatial distribution information, so that an EIT ill-conditioned problem is converted into a good problem, abstract features of spatial information are extracted through multilayer convolution, and a lung boundary shape is reconstructed by using transposed convolution operation, so that the lung boundary shape is reconstructed, and the reconstructed image is connected with a low-pass filtering module through Dense to remove reconstructed high-frequency noise, and a final reconstructed image is obtained. The training data of VDD-Net uses CT scanning images containing various lung boundary information, and noise conditions such as lung diseases, different thoracic cavity shapes and electrode movement are included. A lung phantom model experiment shows that the VDD-Net has relatively high accuracy on boundary reconstruction capability in lung EIT imaging and has good robustness on model errors and measurement noise.

The invention provides a method for measuring the content of particle surface ligand and a quantum dot ink preparing method. When the method is used for preparing quantum dot ink, the uniformity of quantum dot ink quality can be ensured, the consistency of the solubility, drying rates and coffee ring effects of different batches of quantum dot ink is guaranteed, and the pixel resolution and uniformity of the lighting voltages and photoelectric efficiency of the quantum dot display panel are improved.

The invention provides a method for measuring the content of quantum dot surface ligand and a quantum dot ink preparing method. When the method is used for preparing quantum dot ink, the uniformity ofquantum dot ink quality can be ensured, the consistency of the solubility, drying rates and coffee ring effects of different batches of quantum dot ink is guaranteed, and the pixel resolution and uniformity of the lighting voltages and photoelectric efficiency of the quantum dot display panel are improved.

The invention provides a driving method of a pixel array. The pixel array comprises a plurality of actual pixel units. The driving method comprises the following steps: step 1, conducting amplifying treatment on an input image, so that an intermediate image is obtained; step 2, calculating display parameters of each actual pixel unit in accordance with display parameters of an intermediate theoretical pixel unit of the intermediate image; and step 3, in accordance with the display parameters, calculated in the step 2, of each actual pixel unit, generating actual image signals, and inputting the actual image signals to the various actual pixel units of the pixel array. The invention also provides a driving circuit and a display device. When the driving method is used for driving the pixel array, data volume of a picture to be transmitted can be reduced while a relatively high resolution ratio is achieved, so that time required by transmitting picture data is shortened.

The invention provides a display panel and a preparation method of the display panel. The display panel comprises an array substrate, a pixel definition layer and spacing columns, the pixel definitionlayer is arranged on the array substrate, the spacing columns are arranged on the pixel definition layer, each spacing column comprises a bottom surface and a top surface, the sectional area of eachtop surface is smaller than that of each bottom surface, and the horizontal distances from the top surfaces to the bottom surfaces and the centers of the spacing columns to the side surfaces are gradually increased. During photoetching, openings are formed in the positions, corresponding to the spacing columns, of the mask plate, the mask plate is accurately positioned through the spacing columns,and the photoetching precision and the display effect of the display panel are guaranteed.