1460 results about "Orthographic projection" patented technology

Techniques to present hierarchical information as orthographic projections are described. An apparatus may comprise an orthographic projection application arranged to manage a three dimensional orthographic projection of hierarchical information. The orthographic projection application may comprise a hierarchical information component operative to receive hierarchical information representing multiple nodes at different hierarchical levels, and parse the hierarchical information into a tree data structure, an orthographic generator component operative to generate a graphical tile for each node, arrange graphical tiles for each hierarchical level into graphical layers, and arrange the graphical layers in a vertical stack, and an orthographic presentation component operative to present a three dimensional orthographic projection of the hierarchical information with the stack of graphical layers each having multiple graphical tiles. Other embodiments are described and claimed.

The embodiment of the invention provides an array substrate, a display device, and a pattern recognition method therefor, and relates to the technical field of fingerprint recognition. The pattern recognition can be achieved in a display region of the display device, and the implementation of a narrow frame is facilitated. The array substrate comprises a plurality of light-emitting devices which are disposed on the substrate, and are located in a display region. The array substrate also comprises a shading layer which is disposed on the substrate. The shading layer is used for the shading of the light with at least one primary color, and the shading layer is provided with a plurality of imaging holes located in the display region, wherein the imaging holes are not overlapped with the orthographic projection of the light-emitting devices on the substrate. The array substrate also comprises a pattern recognition layer disposed below the shading layer, and the pattern recognition layer comprises sensor units corresponding to the imaging holes. The light emitted by at least one light-emitting device located around one imaging hole can be reflected to pass through the imaging holes to arrive at the sensor unit through a to-be-recognized body at a display side of the display device. The array substrates is used for achieving the pattern recognition in the display region.

The invention discloses a high-gain novel orthographic projection ultra short-focus screen. The high-gain novel orthographic projection ultra short-focus screen comprises a Fresnel cylindrical layer,a pigmented layer, a base layer, a scattering layer, a circular Fresnel lens layer and a reflecting layer which are sequentially bonded. The Fresnel cylindrical layer comprises several Fresnel lens cylindrical tooth units which are vertically arranged, all the cylindrical tooth units are connected with one another and are sequentially arranged in an array, and the work surface of each cylindricaltooth unit is provided with at least one cylindrical lens unit which is vertically arranged. The Fresnel cylindrical layer combines cylindrical Fresnel lenses and cylindrical lenses, and therefore theFresnel cylindrical layer has advantages of the cylindrical Fresnel lenses and the cylindrical lenses, and can help the circular Fresnel lens on the back of the screen to control light emitted by a projector in the horizontal direction to some extent; at the same time, by employing the cylindrical lenses, the visual angle in the horizontal direction can be increased, on the premise that the horizontal visual angle keeps constant, the concentration of scattering diluents in the screen scattering layer can be reduced, the upper and lower visual angle of the screen can be reduced, and the gain is increased.

A method is provided. The method includes acquiring projection data of an object from a plurality of pixels, reconstructing the acquired projection data from the plurality of pixels into a reconstructed image, performing material characterization and decomposition of an image volume of the reconstructed image to reduce a number of materials analyzed in the image volume to two basis materials. The method also includes generating a re-mapped image volume for at least one basis material of the two basis materials, and performing forward projection on at least the re-mapped image volume for the at least one basis material to produce a material-based projection. The method further includes generating multi-material corrected projections based on the material-based projection and a total projection attenuated by the object, which represents both of the two basis materials, wherein the multi-material corrected projections include linearized projections.

The invention provides a display panel, a manufacturing method thereof and a display device, relates to the technical field of the display, and aims to solve the problem that in the use process of a display product, water molecules in a flat layer escape and erode a light-emitting functional layer, so that the service life of the display product is shortened. The display panel comprises a substrate and a plurality of pixel units arranged on the substrate, the plurality of pixel units are distributed in an array, and each pixel unit comprises a plurality of sub-pixels; each sub-pixel comprisesa sub-pixel driving circuit, a flat layer and an anode pattern which are sequentially stacked; the anode patterns in at least part of the sub-pixels comprise middle parts and edge parts surrounding the middle parts; the surfaces, back to the substrate, of the flat layers are provided with grooves, the orthographic projections of the grooves on the substrate surrounds the orthographic projections of the middle parts on the substrate, and the orthographic projections of at least parts of the edge parts on the substrate are located in the orthographic projections of the grooves on the substrate.The display panel provided by the invention is used for displaying pictures.

A pixel arrangement structure are provided, which includes a plurality of repeating units. Each of the plurality of repeating units includes two first sub-pixels, one second sub-pixel, and one third sub-pixel. Each of the first sub-pixel, the second sub-pixel and the third sub-pixel includes a pixel defining layer, the pixel defining layer includes a pixel defining layer opening to define an effective light emitting region of each sub-pixel; a plurality of first sub-pixels are arranged along the second direction to form a plurality of first sub-pixel groups, orthographic projections of pixel defining layer openings of the first sub-pixels in adjacent ones of the plurality of first sub-pixel groups on a straight line parallel to the second direction do not overlap each other.

An orthographic projectional correction method of a close shot photogrammetric image used in an industry relates to the technical field of an image processing and solves the technical problems that the accuracy and the efficiency of the photogrammetric image are low; the orthographic projectional method creates a back projection transformational model by utilizing a shooting distance, a shooting angle and an imaging law of an isometric object; the steps of the method are as follows: 1) an extreme value of a ratio relation of an image size of the isometric object and a vertex angle along the horizontal direction of a camera lens are respectively obtained; 2) corresponding relations between the four pairs of points C-c, D-d, E-e and F-f are obtained: 3) by the back projection transformation, an area abcd of the image is converted into the ladder-shaped area ABCD. The orthographic projectional correction method of the invention has the advantages that the accuracy and the efficiency of an automatic decoding algorithm are enhanced, a work load of a data acquisition and the time of a data processing are reduced, an utilization ratio of an encoding mark in the single image is improved, and the labour intensity of the on-the-spot data acquisition is also reduced.

The invention discloses a display panel and a display device. The display panel includes comprises a first display area and a second display area, wherein the second display area comprises a pluralityof light-transmitting areas and a plurality of pixel unit areas; a first wiring area is arranged in the first direction; the first wiring area is connected with the adjacent pixel unit areas in the first direction; a second wiring area is arranged in the second direction; the second wiring area is connected with the adjacent pixel unit areas in the second direction, and the first direction and the second direction intersect; and a first gap exists between every two adjacent first wires in the first wiring area, and a second gap exists between every two adjacent second wires in the second wiring area. The display panel further comprises a substrate and a touch function layer, wherein the orthographic projection of the touch function layer on the substrate covers the orthographic projectionof the first gap and the orthographic projection of the second gap on the substrate. According to the embodiment of the invention, the gaps existing in the wiring area are shielded through the touchfunction layer, and the imaging quality is effectively improved.

The invention provides a panoramic image acquisition device and method. The panoramic image acquisition device comprises a photosensitive imaging unit, a lens and a two-way reflector; the two-way reflector comprises two mirror surfaces; a set included angle is formed between the two mirror surfaces; the lens is located below the two-way reflector; and the lens is located in an orthographic projection direction of the two-way reflector. With the panoramic image acquisition device and method provided by the invention adopted, the same camera can perform image acquisition in different directions of a road simultaneously, so that photographing and evident tacking can be performed on the head and tail of a car.

The embodiment of the invention discloses a display panel. The display panel comprises a first display area, a third display area and a second display area which are sequentially and adjacently arranged. The display panel comprises a substrate, a pixel definition layer and an inhibition layer, wherein the pixel definition layer and the inhibition layer are sequentially arranged on one side of the substrate; a gap area is arranged between two adjacent pixel openings on the pixel definition layer, and the inhibition layer is located in the gap area; the inhibition layer comprises a first cathode inhibition layer located in the first display area and a second cathode inhibition layer located in the third display area; and the ratio of the area of the orthographic projection of the second cathode inhibition layer on the substrate to the area of the third display area is smaller than the ratio of the area of the orthographic projection of the first cathode inhibition layer on the substrate to the area of the first display area. By arranging the third display area playing a transition role, on the premise that the light transmittance of the first display area is improved through the inhibition layer, the brightness difference of all the display areas is reduced, and therefore the display effect is improved.

The invention provides a touch display substrate which comprises a plurality of touch electrodes and a plurality of touch signal lines, wherein the touch electrodes and the touch signal lines are formed on a base substrate, each touch electrode is electrically connected with at least one of the touch signal lines, each touch signal line comprises a first part and a second part which are arranged on different layers, the first part is electrically connected with the second part by via holes, the first part and a first layer metal graph of the touch display substrate are arranged on the same layer and made from the same material, the second part and the second layer metal graph of the touch display substrate are arranged on the same layer and made from the same material, the orthographic projection of at least one part of the first part on the base substrate coincides with the orthographic projection of the second layer metal graph on the base substrate, or the orthographic projection of at least one part of the second part on the base substrate coincides with the orthographic projection of the first layer metal graph on the base substrate. According to the technical scheme, the touch signal lines can be formed on the premise that the picture composition process is not added, and the influence to the aperture opening ratio of the touch display device can be reduced.

The present invention discloses one kind of air knife for controlling galvanized coating thickness, and the air knife can inhibit side thickness fault of hot galvanized plate effectively. The air knife includes one air knife body, one upper knife lip and one lower knife lip fixed onto the air knife body and forming in the front ends one longitudinal air knife gap in a parabolic orthographic projection. The present invention is superior in that the air knife gap can spray airflow acting homogeneously to the surface of the band steel in the whole length of the zinc solution solidifying line to inhibit side thickness fault of hot galvanized plate effectively, and that the air knife gap has conveniently adjustable parabolic profile for fitting different sizes of hot galvanized plate.

The invention provides an OLED display substrate and a preparation method thereof and a display device. The OLED display substrate comprises a base, an inorganic layer arranged on the base and a light-emitting unit. The light-emitting unit is arranged on one side, away from the base, of the inorganic layer; one side, away from the inorganic layer, of the base is provided with a camera; and the orthographic projection area of the camera on the base is within the area of the light-emitting unit, and no light-emitting unit is retained in the orthographic projection area. The light-emitting unit comprises a light-emitting structure. A protection layer is arranged in the orthographic projection area and at the side, away from the base, of the inorganic layer. The protection layer can protect the inorganic layer in the orthographic projection area when the light-emitting structure in the orthographic projection area is removed through laser cutting to prevent the inorganic layer in the orthographic projection area from warping and cracking.

The invention discloses a multichannel projection geometric correction and edge blending efficient method based on NURBS curved surfaces. The method is mainly characterized by comprising the steps of geometric correction of the projection of a multichannel curved surface curtain, edge blending among projection display channels and elimination of unnecessary images exceeding edges of a display area. The novelty of the method lies in that continuity of the curved surface curtain and good fitting performance of the NURBS curved surfaces are fully considered, the advantage that the NURBS curved surfaces can be controlled easily is utilized, edge blending among the projection display channels is achieved through algorithms like correction on edge images (img file='dest_path_image002. TIF' wi='57' he='20' /) of adjacent channels, and therefore continuous display of images of multiple projection channels is achieved. The method is especially suitable for display of continuous scenes on curved surface curtains like spherical curtains and columnar curtains through a plurality of projectors, and has the advantages of being good in real-time performance, small in geometric distortion and good in platform compatibility.

The invention provides a mobile terminal, comprising: a bezel; A display module arranged on the inner side of the border; A cover plate covering the display surface of the display module, and the cover plate is overlapped with and fixed to the bezel; An infrared emission module disposed on a side of the cover plate facing the display module, an orthographic projection of the infrared emission module on a first plane of the cover plate overlapping an orthographic projection portion of the bezel on the first plane, and/or an orthographic projection of the infrared emission module on the first plane overlapping an orthographic projection portion of the display module on the first plane; and a light guide disposed between the infrared emitting module and the cover plate for transmitting infrared light emitted from the infrared emitting module to the outside of the mobile terminal. This narrows the gap between the bezel and the display module, thereby narrowing the black edge width of the mobile terminal and increasing the screen-to-body ratio of the mobile terminal.

A laser machining apparatus capable of accurately projecting mask patterns onto a work piece and superior in machining accuracy. An auto-focusing unit is provided. The auto-focusing unit includes a television camera for observing alignment marks formed on the surface of the work piece so as to be able to measure the focal length of a projection lens. A main-scanning direction expansion/contraction ratio Ex of the work piece to its design value and a sub-scanning direction expansion/contraction ratio Ey of the work piece to its design value are obtained. The imaging magnification M of the projection lens is corrected to compensate the expansion/contraction ratio Ex. The moving speed of a mask and/or the moving speed of the work piece are corrected in consideration of the imaging magnification M of the projection lens so as to compensate the expansion/contraction ratio Ey.

The invention discloses an array substrate and a display device. The array substrate comprises a substrate body, a plurality of thin-film transistors and a plurality of pixel electrodes, the thin-film transistors and the pixel electrodes are located on the array substrate, and the thin-film transistors correspond to the pixel electrodes one to one. Because the orthographic projection, on the substrate body, of each thin-film transistor is completely located within the orthographic projection, on the substrate body, of the corresponding pixel electrode, when gray scale signals loaded on data lines charge the pixel electrodes through the thin-film transistors, charging can be carried out from the interior to the periphery of each pixel electrode, the pixel electrodes can be fast charged, the charging efficiency of the pixel electrodes can be improved, and the response speed of a flat-panel display can be increased.

The invention discloses a camera lens and a preparation method thereof, a camera assembly and electronic equipment. Specifically, the invention provides a camera lens, which comprises: a substrate, wherein the substrate is provided with a window area and a texture area arranged around the window area; an appearance membrane which is attached to one side of the base plate and comprises; a substrateprovided with a first hollowed-out area, wherein the orthographic projection of the first hollowed-out area on the base plate covers the window area; a texture layer, wherein the texture layer is arranged on one side of the substrate, and the orthographic projection of the texture layer on the substrate at least covers the texture area; and a coating layer, wherein the coating layer is arranged on one side, far away from the substrate, of the texture layer. Therefore, the bonding strength between the appearance diaphragm and the substrate is relatively high, the texture effect of the camera lens is flashing, the texture layer is not easy to fall off, the appearance effect is good, the product yield is relatively high, and the production cost is relatively low.