1859 results about "Scan line" patented technology

The invention discloses a display panel and a driving method thereof, the display panel comprises a plurality of first switches and a plurality of second switches, N columns of pixels are arranged in a first display area, and M columns of pixels are arranged in a second display area; the first scanning line is connected with N columns of pixels in the first display area and M columns of pixels in the second display area, the second scanning line is connected with the N columns of pixels in the first display area, and each first switch is connected with two data lines corresponding to sub-pixels with the same color in the first display area and the second display area; each second switch is connected with a data driving chip and a data line corresponding to a pixel in the first display area; wherein N and M are natural numbers greater than or equal to 2. The two data lines corresponding to the sub-pixels with the same color in the first display area and the second display area respectively receive the same data signal or different data signals to realize display in different display modes by switching on or switching off the first switch and the second switch, so that insufficient charging under a high refresh rate is improved.

The invention relates to the technical field of cholesteric liquid crystal electronic paper display, and discloses a cholesteric liquid crystal electronic paper display panel and a driving method thereof, and the cholesteric liquid crystal electronic paper display panel comprises an upper substrate, a lower substrate, a grid scanning line and a signal line, the electrode strip blocks continuously extend in the direction of a grid scanning line, each electrode strip block corresponds to one row of pixels, a single pixel corresponds to one pixel electrode, the electrode strip block corresponding to each row of pixels is conducted with the ITO electrode in the corresponding row through a conductive spacer, the ITO electrode is located on the periphery of a display area of the display panel, and in the direction of a signal line, the ITO electrode is connected with the electrode strip block in the corresponding row. The size of a single pixel is larger than the width L of each electrode strip block and larger than or equal to the width L'of a pixel electrode, and the distance S between every two adjacent electrode strip blocks is larger than or equal to the width W of a grid scanning line. According to the display panel and the driving method thereof, by optimizing the common electrode structure and the driving time sequence, the display performance and the refreshing efficiency of cholesteric liquid crystal electronic paper are remarkably improved.

The invention discloses a variable refresh rate control circuit and method, a display panel and a display device, and relates to the technical field of display, the circuit comprises pixel units arranged in an array and a corresponding refresh control module, and the refresh control module comprises a mode judgment unit, a refresh enable unit and a data write-in unit. The mode determination unit determines a pixel refresh mode through a row strobe signal of a scan line and a data signal of a source line, and outputs a first / second potential of a first / second potential line. The refresh enabling unit turns off the data write-in unit based on a first potential output by the mode judgment unit in a static refresh mode so as to maintain pixel data of the corresponding pixel unit, and turns on the data write-in unit based on a second potential output by the mode judgment unit in a dynamic refresh mode so as to write a data signal into the corresponding pixel unit. Pixel-level variable refresh rate adjustment is achieved, high-refresh-rate and low-refresh-rate display can be supported at the same time, and power consumption is effectively reduced while the display effect is guaranteed.

A gate driving circuit includes a first gate driving circuit and a second gate driving circuit. The first driving circuit includes 1st to Nth first shift registers that are configured to output 1st to Nth first scan signals to N number of scan lines, respectively. The second driving circuit includes 1st to Nth second shift registers that are configured to output 1st to Nth second scan signals to the other N number of scan lines, respectively. The number of transistors in each of the 1st to Nth second shift registers is less than the number of transistors in each of the 1st to Nth first shift registers.

A display device includes a data driver for supplying a reference voltage and a plurality of data signals to each of output lines, a divider including demultiplexers for supplying the reference voltage and the plurality of data signals, which are supplied from the each of the output lines, to a plurality of data lines, corresponding to control signals, a timing controller for supplying the control signals, and pixels connected to scan lines and the data lines. The pixels located on at least two different horizontal lines are simultaneously supplied with the reference voltage.

A camera system has at least a first and a second camera each with an image sensor. Active areas of the image sensors of the first and second camera are determined and define an extended image space of a real-time panoramic video. A bounding box captures a fixed position in space or an object is set. The bounding box moves through extended image space. Image data determined only by the bounding box is harvested from camera image sensors and displayed within a window on a screen in real-time. Scan-line control of images sensors based on the bounding box is updated in real-time to form an e-gimbal. Steps of the e-gimbal are performed by a machine learning inference phase on a processor.

There is provided an ultrasound diagnostic apparatus including an ultrasound probe and an apparatus main body wirelessly connected to the ultrasound probe, the ultrasound probe including a B-mode processing unit and an M-mode processing unit configured to generate a B-mode image and an M-mode image, a wireless communication circuit configured to wirelessly transmit the B-mode image and the M-mode image to the apparatus main body, and a probe control unit configured to control the wireless communication circuit such that, each time a generation of a certain number of scanning lines in the B-mode image, which is less than the number of scanning lines in a single frame of the B-mode image, is completed, wireless transmission of the certain number of scanning lines in the B-mode image and wireless transmission of the M-mode image are alternately performed.

A display device includes a pixel including a plurality of sub-pixels, each of the sub-pixels including a first electrode extending in a first direction, a second electrode spaced from the first electrode in a second direction, and a plurality of light emitting elements on the first electrode and the second electrode, and a plurality of first scan lines on the pixel and extending in the first direction, wherein the plurality of sub-pixels includes a first sub-pixel on which a portion of the first scan line is located, and a second sub-pixel adjacent to the first sub-pixel in the second direction, and the first scan line does not overlap the first electrode disposed on the first sub-pixel.

An optical arrangement for a LIDAR system includes a laser, scanner, fold mirror, lens, and sensors. Adding a wedge-shaped optical element creates an auxiliary field of view, when positioned to overlie an edge portion of the lens. The wedge-shaped optical element may have a variable transparency preventing reception by the sensors of excessive signals from close targets. The sensors may be: a plurality of sensors with unique lengths / widths, arranged to form a linear array; or sensors with the same length / width, but positioned to form an arcuate shape, compensating for an arcuate scan line; or two columns of sensors, one with a field of view in focus at far field positions, and the other in focus at near field positions, correcting for parallax effect / error; or a column of highly sensitive sensors surrounded by a plurality of guard rail sensors having higher immunity to damage from stray laser light.

A display device includes light emitting and receiving pixels, a reset line, a fingerprint scan line, a fingerprint sensing line, and first and second voltage lines in a display region. Each light receiving pixel includes a light receiving element including a first electrode and a second electrode connected to the second voltage line, a sensing transistor connecting the first electrode to the fingerprint sensing line according to a fingerprint scan signal applied to the fingerprint scan line and a reset transistor to connect the first voltage line to the first electrode according to a reset signal applied to the reset line. A first voltage applied to the first voltage line is greater than a second voltage applied to the second voltage line, and a third voltage applied to the fingerprint sensing line is greater than the second voltage and smaller than the first voltage.

A display device includes: pixels in a display area; scan lines connected to the pixels; data lines connected to the pixels; vertical initialization lines connected to the pixels; and a common line in a non-display area around the display area. The display area includes: a first side extending in a first direction; a second side adjacent to one end of the first side, and extending in a second direction crossing the first direction; and a first rounded corner connecting the one end of the first side to one end of the second side that is adjacent to the one end of the first side. The common line is adjacent to the first side and the first rounded corner, and the vertical initialization lines are adjacent to the first side and the first rounded corner, are connected to the common line, and extend from the common line in the second direction.

An electrochromic device includes: two electrodes with an electrochromic material therebetween; switching elements, a source or a drain of each of which is coupled to one of the two electrodes; scanning lines coupled to gates of the switching elements; transmission lines coupled to the other one of the source and the drain of each switching element; and first switches capable of individually switching coupling between a first wiring and each transmission line. A first period and a second period are alternately provided. In the first period, reset potentials of the transmission lines are given at either a first timing before a signal to be transmitted to the gates is given to the scanning lines or a second timing after the signal is given to the scanning lines. In the second period, the signal potential is given to the transmission lines at the other timing of the first and second timings.

A display device includes: pixels each connected to a corresponding scan signal among scan lines, a corresponding data line among data lines, and a corresponding emission control line among emission control lines; and an emission driver which supplies an emission control signal to the emission control lines. The emission control signal includes a first emission control signal having a first width and a second emission control signal having a second width during an active area of one frame.

The invention provides a picture frame rate adjusting method and device of a display screen, equipment and a storage medium, and the method comprises the steps: carrying out the prediction processing of a vertical flyback window through detecting the time interval change of adjacent scanning lines in a display controller, and obtaining the prediction time of the vertical flyback window; performing atomic locking processing on the multi-stage frame buffer according to the vertical flyback window prediction time to obtain a buffer switching control signal; and performing rendering completion degree analysis processing on the GPU rendering pipeline according to the buffer switching control signal, obtaining a rendering completion degree evaluation result, reconstructing a multi-stage buffer synchronization strategy according to the rendering completion degree evaluation result, and adjusting the frame rate of the display screen based on the reconstructed synchronization strategy. By accurately predicting the vertical flyback window opportunity and implementing atomic buffer region locking, accurate synchronization of frame buffer region switching and the position of a display scanner is ensured, the problem of single-frame flicker caused by improper buffer region switching opportunity is effectively solved, and the visual continuity of professional display application is improved.

A lidar system and method. Each emitter of the emitter array emits a light beam directed toward the FOV through the scanning unit. In one embodiment, an emission light beam guided according to an alternating energy level illumination protocol enables detection under halo, in which a first light beam emitted by a first emitter and having a first energy level illuminates a first FOV region, and a second light beam emitted by a second emitter and having a second energy level illuminates a second FOV region. And a second light beam emitted by the second emitter and having a second energy level irradiates a second FOV region adjacent to the first FOV region, wherein the first energy level is lower than the second energy level. In another embodiment, an emission light beam guided according to an offset illumination protocol enables detection under halo, where a first light beam emitted by a first emitter in a first plurality of scan lines illuminates the FOV portion at a first time and a second light beam emitted by a second emitter in a second plurality of scan lines at a second time. And a second light beam emitted by the second emitter in the second plurality of scan lines illuminates the FOV portion at a second time after the first time. Each detector of the detector array detects a reflection of the emitted light beam.

A pixel includes: a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a second transistor connected between a data line and the second node, the second transistor including a gate electrode electrically connected to a first scan line; a third transistor connected between a first power line to which a voltage of a first driving power source is supplied and the first node, the third transistor including a gate electrode electrically connected to an emission control line; a first capacitor connected between the first node and the third node; a second capacitor connected between the second node and the third node; and a light emitting element connected between the second node and a second power line to which a voltage of a second driving power source is supplied.

Provided in the present disclosure are a display substrate and a display apparatus. The display substrate comprises a base, and scanning lines and driving modules, which are provided on the base. At least two transistors in a driving circuit each have a first gate electrode and a second gate electrode; at least part of the second gate electrode is located between the first gate electrode and the base; bottom-gate via holes of the at least two transistors of the driving circuit are arranged along a first direction; the second gate electrodes are electrically connected to a connecting portion through the bottom-gate via holes, and the connecting portion is electrically connected to the first gate electrodes, or the second gate electrodes are electrically connected to the first gate electrodes through the bottom-gate via holes; the first direction intersects with a second direction; and at least some of the scanning lines extend in the second direction. In the embodiments of the present disclosure, the bottom-gate via holes of the at least two transistors of the driving circuit are arranged in the first direction, such that the transverse space occupied by the driving circuit is narrowed, thereby facilitating the implementation of a narrow frame.

The invention provides a simulation point cloud data generation method and device, electronic equipment and a storage medium, and the method comprises the steps: collecting a multi-view image for a target object model background, carrying out the reconstruction of a three-dimensional geometric structure according to the multi-view image, and obtaining a three-dimensional point cloud model of the target object model background; based on a scanning mechanism of a laser radar, simulating a reflection process of laser beams with different directions and scanning line numbers on the surface of the three-dimensional point cloud model of the target object model background, and obtaining simulation point cloud data of the target object model background; and according to topographic factors in the simulation point cloud data of the target object model background, fitting a pre-acquired target object model point cloud to the simulation point cloud data of the target object model background in an adaptive manner to obtain simulation point cloud data including the target object model and the target object model background. Therefore, a large amount of diversified target object point cloud data can be generated without depending on real laser radar acquisition, so that the cost is saved, and the training data set is remarkably expanded.

The embodiment of the invention provides a display panel, a pixel arrangement structure and a display device. The display panel comprises a substrate; the isolation structure comprises a first isolation opening, the orthographic projection pattern of the first isolation opening on the substrate comprises a first edge, and the included angle between the extension direction of the first edge and the first direction is larger than or equal to 0 degree and smaller than or equal to 10 degrees; a light-emitting functional layer; the first electrode is located on the side, away from the substrate, of the light-emitting functional layer and is in lap joint with the isolation structure; wherein the substrate comprises scanning lines, and the first direction is the extension direction of the scanning lines located in the display area; or, the substrate comprises data lines, and the first direction is the extension direction of the data lines located in the display area; or, the display panel is provided with a first sub-edge, and the first direction is the extension direction of the first sub-edge; or the display panel is further provided with a non-display area at least partially surrounding the display area, the non-display area comprises a binding area, and the binding area is located on one side of the display area in the first direction.

A display screen, a display module, and an electronic device are disclosed. The display screen includes a display pixel circuit and a controller. The display pixel circuit includes a first display pixel circuit and a second display pixel circuit. During each frame scan time of the display screen, when any one of the multiple current scan lines is located in a non-display area, the controller controls the input voltage parameter of the first display pixel circuit corresponding to the current scan line located in the display area to a first voltage, and the reset current of the photodiode in the first display pixel circuit to a first current value. When all the multiple current scan lines are located in the display area, the controller controls the input voltage parameter of the second display pixel circuit corresponding to the multiple current scan lines to a second voltage, and the reset current of the photodiode in the second display pixel circuit to a second current value. The deviation between the second current value and the first current value is less than a preset threshold. By using this application, the problem of uneven brightness display can be avoided.

The display device includes a plurality of pixel circuits, a scanning line, an initialization control line, a light emission control line, an initialization voltage line, a first connection line, and a second connection line. The first connection line and the second connection line connect the scanning line to the initialization control line connected to, of the plurality of pixel circuits, a pixel circuit different from a pixel circuit to which the scanning line is connected. Each of the plurality of pixel circuits includes a light-emitting element, a drive transistor, a light emission control transistor, a writing control transistor, and an initialization transistor. The first connection line and the second connection line are formed in layers different from each other.

The invention discloses a rendering node detection method and electronic equipment, and relates to the technical field of electronic equipment. The shielded rendering nodes can be detected, the detection complexity and overhead are reduced, and the detection efficiency is improved. The method comprises the steps that the electronic equipment obtains certain rectangular areas included in a to-be-rendered image, and each rectangular area is used for drawing a rendering node; then, the electronic equipment determines a length unit which is included in each scanning line segment which is overlapped with the rectangular area and is overlapped with the rectangular area; when each length unit which is included in each scanning line segment and is overlapped with the rectangular area and the corresponding first information represent that the corresponding length unit is overlapped with the rectangular area on the upper layer of the rectangular area, the rendering node corresponding to the rectangular area is hidden.

The invention provides an intelligent labeling method for digital slices at a browser side and application of the intelligent labeling method, and relates to the technical field of medical image processing. The invention aims to solve the problem of poor interaction experience caused by data privacy risk and network delay due to dependence on a back-end server in the prior art. The method comprises the following steps: determining a seed point in response to an interactive operation of a user at a browser end, and dynamically loading a local slice image based on a spatial index; and calling a GPU (Graphics Processing Unit) by utilizing WebGL to calculate pixel similarity in parallel, adaptively adjusting a similarity threshold according to a current view zooming level, generating a segmentation mask in combination with a scanning line region growing algorithm, and performing vectorization rendering. According to the method, data does not need to be uploaded to a server, pure front-end, lightweight and real-time intelligent labeling of the GB-level high-resolution pathological section is achieved, data privacy is effectively guaranteed, and labeling efficiency is improved.

A system configured to rearrange and distribute data of an incoming image for processing by a number, K≥4, of processing clusters. The incoming image has a number of scanlines, each scanline being arrangeable as a plurality of data units. The system is configured to logically partition the incoming image into K uniform regions corresponding to the number of processing clusters, wherein the K regions are defined by a number, R≥2, of rows and a number, C≥2, of columns, by i) dividing each scanline into a number, C≥2, of uniform line segments, the length of a line segment being equal to the width of a region, ii) dividing each line segment into a number, W≥2, of data units, each having a number, Q≥2, of bytes, i.e. Q-byte data units, and iii) defining a region height of a number, H≥2, of scanlines for each region. The system is configured to store, in an associated memory, data units from different regions interleaved with respect to each other, while consecutive data units of each line segment of each row of regions of the incoming image are stored with an offset of K memory positions such that the consecutive data units are stored K memory addresses apart. The system is configured to transpose each assembly of K number of Q-byte data units stored in said memory into a transposed assembly of Q number of K-byte words, each K-byte word including one byte per cluster, and transfer the bytes of each K-byte word to said processing clusters in parallel, one byte per cluster.

A pixel includes: a first transistor including a gate electrode connected to a first node, a first electrode connected to a first power line for receiving a first driving power voltage via a second node, and a second electrode connected to a third node; a light-emitting element including a first electrode connected to the third node, and a second electrode connected to a second power line; a second transistor connected between a data line and the second node, and including a gate electrode connected to a first scan line; and a third transistor connected between the first node and a third power line for receiving an initialization power voltage. The second transistor is set to a turn-on state during at least a portion of a turn-on period of the third transistor. The initialization power voltage is set to be lower than a data signal.

Provided are a display panel and a display device. The display panel includes a display region, a non-display region at least partially surrounding the display region, and a fan-out region. The display region includes a plurality of scanning lines extending along a first direction and a plurality of data lines extending along a second direction, where the first direction intersects with the second direction. The non-display region includes a plurality of pads. The fan-out region is configured on one side of the display region closer to the plurality of pads, where at least part of the fan-out region is disposed in the display region. The fan-out region is provided with a plurality of fan-out wires for connecting the plurality of data lines to the corresponding pads.

The invention discloses a display panel, a refreshing method thereof and a display device. The display panel comprises a plurality of scanning lines and a plurality of data lines, and the display panel comprises at least two display areas; the system further comprises a data driving circuit and a gate driving circuit. A refresh mode of the display panel comprises full-screen refresh and partition refresh, and during full-screen refresh, a driving unit sequentially provides a scanning signal for a first scanning line and a second scanning line of each display area until the last scanning line of all the display areas; during partition refreshing, the gate drive circuit corresponding to the display area to be refreshed is opened, and the drive unit sequentially provides scanning signals for the corresponding scanning lines. According to the display panel provided by the invention, the at least two display areas and the gate driving circuits corresponding to the display areas in number are arranged, and full-screen refreshing or partition refreshing of the display panel can be realized by adjusting the cascade architecture and the driving time sequence of the gate driving circuits; and the refreshing power consumption of the display panel is reduced.

A method of and system for drilling holes in a workpiece. The method includes: providing a nominal file representation of the workpiece; identifying a workpiece region having a hole using the nominal file, wherein the nominal file provides a nominal position and orientation for the hole; using a workpiece geometry measuring device to scan the workpiece region, the scanning produces a scan lines that include a plurality of data points spaced apart by a data point spacing that is a function of the geometry of the hole, and wherein the scan lines are spaced apart from one another by a scan line spacing that is a function of the geometry of the hole; using the nominal position and orientation of the hole and the scan line data points to determine an actual position and orientation for the hole; and drilling the hole using the determined actual position and orientation.

The invention discloses a chip layout image generation method based on a boundary tracking scanning line algorithm. A sub-graph-polygon data structure is designed, a maximum matrix of adjacent polygons of a sub-graph is established, the boundary scanning line algorithm is improved through the method, a complete chip layout is rapidly cut into a sub-graph, and a corresponding binary image is generated. According to the algorithm, a sub-graph circumscribed frame-polygon circumscribed frame data structure is designed, and polygons which are likely to intersect with the sub-graphs are quickly positioned. The data are stored to construct the maximum bounding box of all polygons contained in the current sub-graph, so that the algorithm does not need to calculate the intersection points of the polygons and the sub-graphs, and the time consumption for calculating the intersection points by the algorithm is reduced; in addition, a boundary tracking mode is designed, a scanning line algorithm is improved, intersection points of scanning lines and polygon boundaries do not need to be calculated when a certain line is scanned by storing all points in the boundaries, and algorithm complexity is further reduced.

A display device includes: a display unit including pixels located to be connected to scan lines and data lines; and a scan driver including stage circuits to drive the scan lines, wherein the stage circuits are configured to: generate a carry signal, using an auxiliary clock signal swinging between a first voltage and a second voltage, a first auxiliary power source having the first voltage, and a second auxiliary power source having the second voltage; and generate a scan signal, using a clock signal swinging between a third voltage higher than the first voltage and a fourth voltage lower than the second voltage, a first power source having the third voltage, and a second power source having the fourth voltage.