38results about How to "Solve the flickering problem" patented technology

The invention discloses a video denoising method. The method includes the steps of obtaining at least one adjacent frame of a frame to be denoised in a video sequence; performing time domain denoising on each pixel point of the frame to be denoised, the time domain denoising including the steps of, for each adjacent frame of the frame to be denoised, obtaining matched pixel points of the pixel points of the frame to be denoised on the adjacent frame, and calculating the weights of the matched pixel points; and based on the weights of the obtained matched pixel points of the pixel points of the frame to be denoised on each adjacent frame, calculating the weighted average of the pixel points of the frame to be denoised and the matched pixel points thereof, so as to obtain pixel values of the pixel points of the frame to be denoised after time domain denoising. The invention also discloses corresponding calculation equipment and a computer storage medium.

Embodiments of the invention disclose a proximity sensor control method and apparatus, a storage medium and a mobile terminal. The method comprises the steps of outputting driving signals of a preset time sequence and a duty ratio to a transmitting end and a receiving end of a proximity sensor, controlling the transmitting end to periodically enter a sleep mode, a disable mode and an enable mode, and controlling the receiving end to periodically enter the sleep mode and a sampling mode; in a sampling interval of the receiving end corresponding to the disable mode, controlling an analog-digital converter in the receiving end to store a first input signal; and in a sampling interval of the receiving end corresponding to the enable mode, controlling the analog-digital converter to remove the first input signal from a received second input signal and output a first intensity value corresponding to the second input signal after the removal processing. By adopting the technical scheme, the problem that a screen is not turned off when a person is close to the screen under strong light can be avoided; and meanwhile, the problem of screen flashing in a lamp box environment can be avoided and a normal screen turn-on and turn-off function is realized.

The invention discloses a rotary LED luminescent pen, comprising a pen holder(1), a refill(2), a rotary component(6), a battery(3), a luminescent circuit board(4) and an LED(5); wherein, the upper pen holder(11) of the pen holder(1) can rotate oppositely to a central pen holder(12), the positive pole(31) of the battery(3) is connected with the positive input end(41) of the luminescent circuit board(4), the negative pole(32) of the battery(3) is connected with the negative input end(42) of the luminescent circuit board(4) through the conducting spring(95) of the negative pole and an insulating rotary sleeve(7) is arranged between a lower rotary component(62) of the rotary component(6) and the central pen holder(12); the insulating rotary sleeve(7) is provided with a metal sheet(8); the upper pen holder(11) is communicated with the metal sheet(8) through a conducting part. Compared with the prior art, the invention can realize the knock out of the refill and the luminescence of LED through the subtle match and design of the upper pen holder, the conducting part, the metal sheet and the rotary pen holder, which has the advantages of subtle and compact structure design and simpler structure.

The light emitting LED pen includes a pen holder, a refill inside the pen holder, a battery, a light emitting circuit board, a LED, and a rotating assembly for shifting the refill up and down. The pen holder includes an upper part and a lower part of transparent non-metal material; the battery has positive pole connected electrically to the positive input end of the light emitting circuit board via conductor and negative pole connected electrically to the conducting spring via the metal refill cap and the negative pole spring, and the conducting spring has bottom end contacting the negative input end of the light emitting circuit board. The light emitting LED pen has stable lighting without being affected by the writing force.

The invention discloses a fingerprint unlocking method and related equipment, and the method comprises the steps of when a touch operation of a finger for a fingerprint collection area is detected, using a TP to send a first interrupt request to an under-screen fingerprint sensor, and send a second interrupt request to a processor; receiving a first interrupt request, and then enabling the under-screen fingerprint sensor to perform the fingerprint acquisition operation; sending the collected first fingerprint image to a processor for fingerprint recognition operation, executing the fingerprintcollection operation by adopting a first strategy so as to increase the time length required by the fingerprint collection operation, and / or executing the fingerprint recognition operation by adopting a second strategy so as to increase the time length required by the fingerprint recognition operation; and after the second interrupt request is received, using the processor to execute a screen awakening operation, control the touch screen to display a screen locking interface after the screen awakening operation is completed, perform an unlocking operation when the fingerprint identification is successful, and control the touch screen to display a main interface after the unlocking operation is completed. By adopting the embodiment of the invention, the problem of splash screen can be solved.

The invention discloses a fingerprint unlocking method and a related device, and the method comprises the steps: when a first touch operation of a finger for a fingerprint collection area is detected,a TP sends a first interrupt request to an under-screen fingerprint sensor, and sends a second interrupt request to a processor; after the first interrupt request is received, the under-screen fingerprint sensor performs a fingerprint acquisition operation and sends an acquired first fingerprint image to the processor for a fingerprint identification operation; after the second interrupt requestis received, the processor executes a screen awakening operation, and the screen awakening operation adopts a parallel execution mode to shorten the duration required by the screen awakening operation; after the screen awakening operation is completed, the processor controls the touch screen to display a screen locking interface; and when the fingerprint identification is successful, the processorperforms an unlocking operation, and after the unlocking operation is completed, the processor controls the touch screen to display the main interface. By adopting the embodiment of the invention, the problem of splash screen can be solved.

The invention discloses a driving voltage adjusting method and electronic equipment. The method is applied to the electronic equipment, the electronic equipment comprises a display module, and the method comprises the following steps: obtaining a target ripple value of a driving voltage of the display module of the electronic equipment in a target time period; and under the condition that the target ripple value is greater than the first ripple value, adjusting the driving voltage of the display module based on a first preset voltage difference threshold value and the input voltage of the boosting module for outputting the driving voltage so as to reduce the ripple value of the driving voltage of the display module. According to the embodiment of the invention, the splash screen problem ofthe display screen can be solved.

The invention provides a frequency conversion refreshing method, a pixel driving method, a frequency conversion refreshing device and electronic equipment. The frequency conversion refreshing method comprises the following steps of: when a picture refreshing frequency is changed from a first frequency to a second frequency, switching a control signal input into the pixel driving circuit from a first control signal corresponding to the first frequency to a second control signal corresponding to the second frequency; and enabling the pixel driving circuit to control a light emitting element to emit light according to the second control signal, wherein the first frequency is greater than the second frequency, the cut-off time of a light-emitting signal in the second control signal is longer than the cut-off time of a light-emitting signal in the first control signal, and a storage capacitor in the input pixel driving circuit is matched with the first frequency. Since the cut-off time of the light-emitting signal in the second control signal is longer than that of the light-emitting signal in the first control signal, the light-emitting time of the pixel driving circuit at a low frequency is shortened, and the splash screen problem during frequency switching in the prior art is solved.

The invention discloses a zero-flashing low-voltage distribution system and an operation method thereof. The zero-flashing low-voltage distribution system comprises a first power supply, a second power supply, an emergency bus, a second dual-power automatic changeover switch or a solid-state changeover switch, wherein the first power supply and the second power supply are connected with two ordinary buses in a switching station respectively; one end of the emergency bus is connected with a mobile emergency power supply and the first power supply separately through a first dual-power automaticchangeover switch; the other end of the emergency bus is connected with a static energy storage uninterruptible power supply at a user side; the second dual-power automatic changeover switch or the solid-state changeover switch is in load connection with a user. The zero-flashing low-voltage distribution system and the operation method thereof have the advantages that the power supply switching operation of the dual-power automatic changeover switches at a load side under the fault is avoided, thereby solving the problem of load flashing caused by voltage sag during power supply switching, andsolving the problem of voltage fluctuation; if the static energy storage uninterruptible power supply breaks down or is not replenished by the power supplies before a battery runs out, the power supplies are switched to a right circuit for power supply, and sensitive load flashing caused by the voltage sag can occur during power supply switching.

The invention provides a main controller for LED lighting systems. The use range of lamps is expanded from an LED display screen to the inside and outside walls of buildings with arbitrary shapes. Themain controller has excellent performance and can be applied to a wide range of scenarios. The main controller comprises a controller, and a decoding chip, an SRAM memory, a network card chip and a network transformer which are connected with the controller. A video signal is decoded by the decoding chip and then input to the controller. The controller saves the video image data in a video to theSRAM memory, synchronously reads the video image data stored in the SRAM memory, and forwards the video image data through the network card chip. The network card chip transmits the data signal to the network transformer in the form of differential signal. The network transformer is used for signal amplification and isolation protection. The invention further provides a layout design of the maincontroller for LED lighting systems on a PCB.

The embodiment of the invention discloses a backlight adjusting method and a backlight drive circuit. The method comprises the following steps: after receiving a command of turning-off a screen generated through triggering, a main control module determines the duty ratio of a pulse width modulation PWM signal currently received by the backlight control module; if the duty ratio of the PWM signal is not higher than a set duty ratio, the main control module increases the duty ratio of the PWM signal inputted to the backlight control module and returns to perform duty cycle determination operation; otherwise, the main control module inputs a required enable signal for closing the backlight to the backlight control module Through utilization of the method, gradual adjustment of the backlight brightness of the backlight in turn-off of the screen is realized, thus better solving the problem of splash screens in turn-off of the screen.

The invention discloses a display screen automatic discharge method, a display screen and a mobile terminal. The display screen automatic discharge method includes the steps that a display screen sleep instruction is sent to a display screen; the display screen is controlled to display an all white image or all black image; the display screen is controlled to release charge in the display screen; the display screen is controlled to get into a sleep mode. By means of the method, the purpose of automatic discharge of the display screen can be achieved, and the problem of a splash screen is solved.

The invention discloses a fingerprint unlocking method and related equipment, and the method comprises the steps that a TP transmits a first interruption request to an under-screen fingerprint sensorand transmits a second interruption request to a processor when a to-be-unlocked event is detected; after the first interrupt request is received, the under-screen fingerprint sensor performs fingerprint acquisition operation and sends an acquired first fingerprint image to the processor for fingerprint identification operation; after the second interrupt request is received, the processor executes a screen awakening operation, the screen awakening operation comprises a delay execution process, and the delay execution process is used for prolonging the duration required by the screen awakeningoperation, so that the screen awakening operation is completed after the fingerprint identification operation is completed; and when the fingerprint identification succeeds, the processor performs anunlocking operation, and after the unlocking operation is completed and the screen awakening operation is completed, the processor controls the touch screen to display a main interface. By adopting the embodiment of the invention, the splash screen problem can be solved.

The embodiment of the invention relates to a method and device for realizing effect of a trotting horse lamp. The method comprises the following steps: acquiring a trotting horse lamp image; image initial coordinate information of a first area image in the trotting horse lamp image is obtained through calculation based on the trotting horse lamp image and a display area of a target display screen, and the image initial coordinate information is basis information of a first display image obtained by rendering the first area image through a graphics processor; obtaining an initial model transformation matrix of the first area image, and processing the initial model transformation matrix based on the displacement step length under a displacement step length setting operation instruction to obtain a target model transformation matrix; and obtaining a second display image obtained by rendering a second area image in the trotting horse lamp image by the graphics processor according to the image initial coordinate information and the target model transformation matrix, wherein the second display image translates the displacement step length relative to the first display image. According to the embodiment of the invention, drawing is executed in the graphics processor, so that the drawing efficiency is improved.

The invention discloses a touch display panel and a display device. The touch display panel comprises a display panel body and a touch panel located on the light emitting side of the display panel body. The display panel body comprises a substrate, wherein the substrate comprises a display area and a non-display area located around the display area; an organic electroluminescence film layer which is located between the substrate and the touch panel, wherein the organic electroluminescence film layer comprises a cathode layer arranged close to the touch panel, and the orthographic projection of the cathode layer on the substrate covers the display area and at least part of the non-display area; a metal frame which is located between the substrate and the organic electroluminescent film layer, wherein the orthographic projection of the metal frame on the substrate is located in the non-display area, the orthographic projection of the metal frame on the substrate is at least partially covered by the orthographic projection of the cathode layer on the substrate, and the metal frame is grounded. The touch display panel can solve the splash screen problem of the display panel caused by electromagnetic interference generated by applying high-frequency and high-voltage signals to the touch panel.

The invention provides a preparation method of an anti-dazzle porous composite film. The preparation method comprises the following steps: (1) preparing silicate sol containing the following components at a mole ratio, wherein the mole ratio of Na2O to Al2O3 to SiO2 is (0 to 0.03): (0 to 0.03): 1; (2) adding a pore forming agent into the silicate sol, enabling the pore forming agent to suspend on the surface of the silicate sol, obtaining a macropore array silicate film compounded with the pore forming agent through a self-assembling reaction, and aging after film formation to obtain a silicate-microparticle composite film; and (3) taking the silicate-microparticle composite film on a slide, carrying out drying and calcinations in sequence, and removing a microparticle template to obtain the anti-dazzle porous composite film, wherein array holes with the pore diameters of 150 to 300 nm are formed in the anti-dazzle porous composite film. According to the prepared composite film, the haze can be improved to the maximum extent on the premise of not reducing the light transmittance in the using process on the glass substrate, so that an anti-dazzle effect is achieved effectively.

The invention provides a method and a device for the dynamic refreshment of the webpage picture information The method comprises that the first and the second picture layers are preset in the webpage, the two picture layers have the same size and position in the webpage, an attribute of the first picture layer is normal display, the attribute of the second picture layer is hidden; the informationis received, refreshed and triggered; the new picture information, which is obtained from a server, is loaded and displayed in the second picture layer; after the second picture layer is processed, the attribute of the first picture layer is changed to hiding and the attribute of the second picture layer is changed to normal display. On the basis of a careful analysis of a prior art, the invention puts forward a double-layer displaying way to solve a flicker problem, which is completed through a way of displaying one layer and hiding and replacing the other layer. As the invention entirely avoids the appearance of webpage background data, the flicker problem can be eliminated completely and radically.

The invention discloses a method and device for preventing splash screen and electronic equipment, and belongs to the technical field of electronic equipment. The method comprises the following steps:when the electronic equipment is in a charging state and the screen brightness of the electronic equipment is lower than a first set threshold value, acquiring at least part of pixel points of a display interface of the electronic equipment; and increasing the gray-scale value of each pixel point in the at least part of pixel points.

The invention discloses a video control loading method and device, and relates to the technical field of an Android system technology and multi-media image processing. The problem that a splash screen appears in an existing Android system when a video control is installed is solved. The method is applicable to video control loading on the Android system. The method comprises the steps that when in a first interface, the video control is loaded, wherein the interface of the video control is not displayed on the first interface, and the first interface is a login interface when the system is entered; when in a second interface, the loaded video control is called, wherein the video control interface is displayed on the second interface, and the second interface is any one interface of the video control needing to be used.

The invention provides a main controller of an LED lighting system, which expands the use range of lamps from LED display screens to the interior and exterior walls of buildings of any shape. It has excellent performance and wide application scenarios, including controllers and controllers. Electronic control connection: decoding chip, SRAM memory, network card chip, network transformer, the video signal is decoded by the decoding chip and input to the controller, the controller stores the video image data in the video into the SRAM memory, and synchronously reads and stores it in the The video image data in the SRAM memory, and forward the video image data through the network card chip, the network card chip sends the data signal to the network transformer in the form of a differential signal, and the network transformer is used for signal amplification and isolation protection. At the same time, the present invention also provides the The layout design of the main controller of the LED lighting system on the PCB.

The present application discloses a fingerprint unlocking method and related equipment. The method includes: when detecting the first touch operation of the finger on the fingerprint collection area, the TP sends a first interrupt request to the fingerprint sensor under the screen, and sends a second interrupt request to the processor. Two interrupt requests; after receiving the first interrupt request, the fingerprint sensor under the screen performs fingerprint collection operation, and sends the collected first fingerprint image to the processor for fingerprint recognition operation; after receiving the second interrupt request, process The processor executes the screen wake-up operation, and the screen wake-up operation adopts a parallel execution method to shorten the time required for the screen wake-up operation; after the screen wake-up operation is completed, the processor controls the touch screen to display the lock screen interface; when the fingerprint recognition is successful, the processor An unlocking operation is performed, and after the unlocking operation is completed, the processor controls the touch screen to display the main interface. The splash screen problem can be solved by adopting the embodiment of the present application.

The present application provides a proximity sensor and a control method thereof, an electronic device and a computer-readable storage medium. The proximity sensor control method includes: a receiving end and a transmitting end; the transmitting end includes a plurality of emitting light sources, and the difference between the sum of the emitting power of each emitting light source and the rated emitting power of the transmitting end is less than a preset value. The above-mentioned proximity sensor and its control method, electronic device and computer-readable storage medium can not only solve the problem of splash screen, but also ensure the detection distance.

An embodiment of the invention discloses a parameter adjustment method and device and a display system. The method is characterized by receiving input field frequency information; searching an internal traversal list according to the field frequency information to obtain target group image output control parameters corresponding to the field frequency information; and carrying out configuration parameter update according to the target group image output control parameters. The matched image output control parameters related to field frequency can be searched adaptively for configuration parameter update, so that image display effect is improved.

The present application discloses a fingerprint unlocking method and related equipment. The method includes: when an event to be unlocked is detected, the TP sends a first interrupt request to the fingerprint sensor under the screen, and sends a second interrupt request to the processor; After an interrupt request, the fingerprint sensor under the screen performs fingerprint collection operation, and sends the collected first fingerprint image to the processor for fingerprint recognition operation; after receiving the second interrupt request, the processor executes the screen wake-up operation, and the screen wakes up The operation includes a delayed execution process, which is used to extend the time required for the screen wake-up operation, so that the screen wake-up operation is completed after the fingerprint recognition operation is completed; when the fingerprint recognition is successful, the processor performs an unlock operation, and when the unlock operation is completed, And after the screen wake-up operation is completed, the processor controls the touch screen to display the main interface. The splash screen problem can be solved by adopting the embodiment of the present application.

The invention discloses a backup power supply switchover protective system. The backup power supply switchover protective system comprises a backup power supply switchover device and a loop closing protective device, wherein the backup power supply switchover device is used for controlling a backup power supply to supply electricity when a main power supply malfunctions; the loop closing protective device is connected with the backup power supply switchover device and is used for protecting a backup power supply switchover loop when backup power supply switchover device performs switchover movement, wherein the backup power supply switchover loop comprises a backup power supply switchover device. According to the invention, the problem of flickering caused when the backup power supply switchover device resets automatically at low voltage in the prior art is solved.

The invention discloses a rotary LED light-emitting pen, which comprises a pen holder (1), a pen core (2), a rotating assembly (6), a battery (3), a light-emitting circuit board (4) and a light-emitting diode (5), wherein the pen holder The upper penholder (11) in (1) can rotate relative to the middle penholder (12), and the positive end (31) of the battery (3) is electrically connected with the positive input terminal (41) of the light-emitting circuit board (4), and the battery (3) ) negative terminal (32) is electrically connected to the negative input terminal (42) of the light-emitting circuit board (4) through the lower negative conductive spring (95), and the lower rotating member (62) in the rotating assembly (6) is connected to the middle An insulating rotary bushing (7) is tightly arranged between the penholders (12), and a metal sheet (8) is arranged on the insulating rotary bushing (7), and the upper penholder (11) and the metal sheet (8) are connected through conductive parts conduction. Compared with the prior art, the present invention achieves the core out of the pen core and the light of the LED through the ingenious design of the upper pen holder, the conductive part and the metal sheet by rotating the pen holder. Simple.

The present application discloses a fingerprint unlocking method and related equipment. The method includes: when detecting the touch operation of the finger on the fingerprint collection area, the TP sends a first interrupt request to the fingerprint sensor under the screen, and sends a second interrupt request to the processor. request; after receiving the first interrupt request, the fingerprint sensor under the screen performs the fingerprint collection operation, and sends the collected first fingerprint image to the processor for the fingerprint recognition operation, and the fingerprint collection operation adopts the first strategy to execute to increase The length of time required for the fingerprint collection operation, and / or the fingerprint recognition operation is performed using the second strategy to increase the time required for the fingerprint recognition operation; after receiving the second interrupt request, the processor performs a screen wake-up operation, and the screen wakes After the operation is completed, the touch screen is controlled to display the lock screen interface, the unlock operation is performed when the fingerprint recognition is successful, and the touch screen is controlled to display the main interface after the unlock operation is completed. The splash screen problem can be solved by adopting the embodiment of the present application.

The embodiment of the invention provides a display device, a display driving method and electronic equipment, the display device comprises a liquid crystal display panel and a liquid crystal lens arranged on the light emitting side of the liquid crystal display panel, and the liquid crystal lens is configured to control emergent light of any sub-pixel in a pixel island to be emitted during three-dimensional display; the liquid crystal display panel further comprises a grid line, a data line, a grid electrode driving circuit, a source electrode driving circuit and a reversal circuit. The source electrode driving circuit comprises a positive electrode output end and a negative electrode output end. The inversion circuit is connected with the positive electrode output end and the negative electrode output end, and is configured to conduct the positive electrode output end and the odd-numbered columns of data lines and conduct the negative electrode output end and the even-numbered columns of data lines in a first time period of scanning of the gate driving circuit; in a second time period, the negative electrode output end and the odd-numbered column data lines are conducted, and the positive electrode output end and the even-numbered column data lines are conducted. By means of the design, the sub-pixels entering the human eyes can be controlled to have positive polarity and negative polarity in the 3D scene, the flicker effect can be eliminated, and the 3D splash screen problem is solved.

The invention provides a frame frequency control method and device of a liquid crystal screen and a liquid crystal screen display system. The method comprises the steps that whether the temperature of the liquid crystal screen changes from one temperature range to another temperature range in a plurality of preset temperature ranges or not is detected; the plurality of temperature ranges are determined by a plurality of preset temperature nodes; under the condition that the temperature of the liquid crystal screen changes from one temperature range to another temperature range in a plurality of preset temperature ranges, a frame frequency corresponding to the temperature range to which the temperature belongs is determined according to a preset relationship between the plurality of temperature ranges and the frame frequency, and obtaining a target frame frequency, wherein different temperature ranges in the corresponding relation correspond to different frame frequencies; and the frame frequency of the integrated circuit of the liquid crystal screen is controlled to be adjusted to the target frame frequency. The problem of splash screen of the liquid crystal screen at low temperature can be solved.