44results about How to "Avoid visual impact" patented technology

The invention provides a display control device of a liquid crystal screen. The display control device comprises a frequency obtaining unit and a signal output unit, wherein the frequency obtaining unit is used for obtaining a corresponding initial signal frequency according to received image information of an image display signal; and the signal output unit is used for outputting a corresponding initial signal to a display driving device of a liquid crystal screen according to the initial signal frequency, so that the liquid crystal screen has a corresponding scanning frequency. According to another aspect of the invention, a display control method of the liquid crystal screen is provided. With the adoption of the technical scheme of the invention, the liquid crystal screen can be controlled to fresh an image in a corresponding scanning frequency according to the information of an image signal; poor image display effect or influence to the eyesight of a user caused by the simplification of an image fresh frequency is avoided; and an optimal display effect is achieved.

The invention discloses a switching device and a switching method of asynchronous videos. A video signal acquisition module is connected with each video source to be switched, recognizes the system of each video and acquires line field signals of multiple paths of asynchronous videos respectively; a black video signal generating module generates a black video signal and inputs the black video signal to a video switching module; and a black video line field signal adjusting module adjusts the line field period of the black video signal according to different line field periods of the video sources, performs signal synchronization on each black video signal and a corresponding video source, generates a black burst by using the black video signal generating module during video switching and changes the system and the line field period in a black period, so that image splitting and hopping during switching are eliminated.

The invention discloses an adjusting method and system for local backlight brightness and display device. The adjusting method comprises the steps that a pixel region corresponding to each backlight partition in a backlight source is divided into a plurality of sub partitions, and maximum values of the pixel grayscales of the sub partitions are obtained; obtained maximum values of the pixel grayscales of the sub partitions are sorted from large to small; according to sorted maximum values of the pixel grayscales of the sub partitions and the number of the sub partitions, the maximum values of the pixel grayscales except the maximum values in a first serial number are selected and an adjusting signal is confirmed so that the backlight brightness of a backlight area can be adjusted. According to the adjusting method and system for local backlight brightness and display device, the adjusting signal is confirmed through the maximum values of the selected pixel grayscales except the maximum values in the first serial number, a backlight brightness saltation caused by the movement of small light blocks such as a mouse is effectively avoided, then a visual impact on eyes of people caused by the local backlight brightness saltation is effectively avoided, and user using experience is obviously improved.

The invention provides a display module, a manufacturing method thereof and an LED display screen. The display module comprises a driving substrate, carrier plates, a plurality of LED chips and a hydrophobic film, wherein the carrier plates are arranged on the driving substrate at intervals, each carrier plate is provided with a first surface far away from one side of the driving substrate, a plurality of LED chips are arranged on a first surface of the carrier plate, each LED chip is electrically connected with the driving substrate, each LED chip is provided with a first connecting point electrically connected with the carrier plate, a first surface is provided with a second connecting point electrically connected with the LED chips, at least part of the hydrophobic film covers the area,except the first connecting point, in the surface of the LED chip and covers the area, except the second connecting point, in the first surface. The display module is advantaged in that the hydrophobic film is tightly attached to the LED chip and the carrier plate, so water vapor does not make direct contact with an LED, and migration and electrolysis of chip electrode metal caused by the water vapor are avoided, in addition, the display module does not cause visual influence, and the display effect of the LED display screen is greatly improved.

The invention discloses automatic control equipment for a vehicle. The automatic control equipment for the vehicle comprises a main control button, an electric power conversion device, a microcontroller, a left intelligent light-shielding plate and a right intelligent light-shielding plate, wherein the main control button is in communication connection with an ECU of the vehicle, the ECU is in communication connection with the microcontroller, and the electric power conversion device is in electric connection with the microcontroller, the left intelligent light-shielding plate and the right intelligent light-shielding plate separately; the main control button is used for controlling the whole automatic control equipment for the vehicle to enter a working state from a turn-off state, or enter the turn-off state from the working state; and the ECU controls a driver corresponding to the electric power conversion device on the basis of a signal received from the main control button, so that the driver starts to work or stops working, and then the electric power conversion device outputs electric power or stops outputting the electric power. The automatic control equipment for the vehicle is capable of guaranteeing the driving safety performance of vehicle and the personal safety of a driver.

The invention discloses a low-curvature electronic reflecting windshield which is arranged on an automobile front windshield and is provided with an electronic reflecting film located in a lower position of a parallel vision field of a driver, and a control unit, wherein the electronic reflecting film is provided with an electrochromism layer; the control unit is communicated with the electrochromism layer and controls receiving current intensity of the electrochromism layer; the control unit is further connected with a light sensitive unit for controlling an automatic headlight of a vehicle via an automobile bus, and receives current environment light data obtained by the light sensitive unit; and the intensity of current flowing to the electrochromism layer is adjusted according to background light intensity to adjust a color of the electrochromism layer. With the adoption of the technical scheme, the low-curvature electronic reflecting windshield is provided with the electronic reflecting film, can carry out corresponding color adjustment according to vehicle speed, peripheral light intensity and projection light intensity, avoids visual influence on the driver to the full extent, and ensures that the driver pays attention to driving all the time.

The invention relates to the technical field of raster and particularly relates to a dot raster pattern four-color overprinting offset correction printing process. During printing, by the ways of controlling arrangement of dot matrix plating pixel points, controlling offset extent of four-color printing pixel points and controlling the corresponding relationship between pixel matrix plating and dot raster and the like, a printed dot raster pattern has a deep space three-dimensional impression. The dot raster pattern four-color overprinting offset correction printing process disclosed by the invention cooperates with a dot-shaped lens array which is formed by a plurality of uniformly-arranged dot-shaped lenses on a dot raster plate and is orderly in rows and lines so as to perform dot matrix plating treatment, pixel matrix laying treatment and pixel matrix offset treatment on an image; by controlling the arrangement of the dot matrix plating pixel points, the offset extent of the four-color printing pixel points and the corresponding relationship between pixel matrix plating and dot raster, the printed dot raster pattern has a deep space three-dimensional impression.

The invention discloses a prefabricated UHPC central anti-collision guardrail grouting connection structure which comprises a main beam top plate provided with connecting steel bars and a UHPC anti-collision guardrail, wherein grouting sleeves are separately pre-embedded on the inner left and right sides of the bottom of the UHPC anti-collision guardrail; at least three internal shear connectors are distributed at intervals in the longitudinal direction on the inner wall of each grouting sleeve; external shear connectors corresponding to the internal shear connectors are distributed at intervals in the longitudinal direction on the outer wall of each grouting sleeve; the grouting sleeves are provided with openings for inserting the connecting bars into pouring chambers; and the grouting sleeves are provided with grout inlets positioned at the lower part and grout outlets positioned at the upper part. Grouting materials are poured into the pouring chambers to connect the UHPC anti-collision guardrail with the main beam top plate; the connection between the grouting sleeves and the UHPC anti-collision guardrail is achieved by virtue of the external shear connectors; and the groutingsleeves and the main beam top plate are connected into integration through the cooperation of the internal shear connectors, the connecting steel bars and the grouting materials. The prefabricated UHPC central anti-collision guardrail grouting connection structure avoids pre-embedding steel bars inside the UHPC anti-collision guardrail and facilitates the prefabrication of the UHPC anti-collisionguardrail.

The invention discloses a vehicle tail lamp control system and a control method thereof. The device comprises a speed sensor used for detecting the speed of a vehicle, a brake sensor used for detecting the brake force, a controller used for processing the signal of the speed sensor and the signal of the brake sensor, an execution circuit and a vehicle tail lamp. The speed sensor, the brake sensorand the execution circuit are both connected with the controller. The execution circuit is connected with the vehicle tail lamp. The invention has the beneficial effects that the brake force can be distinguished differently. The condition that people and vehicles behind a vehicle are greatly influenced by the slow speed or the high brightness of the vehicle tail lamp of the current vehicle duringparking can be avoided. The vehicle tail lamp can be changed to be diversified in state according to different driving speeds of the vehicle. As a result, the safety of people and vehicles behind thevehicle can be ensured.

The invention discloses a remote control adjusting and testing method for a traffic light supplementing lamp, which comprises the steps of mounting a cradle head on a monitoring rod on one side of a traffic camera, and then mutually connecting the light supplementing lamp and the cradle head; then connecting control lines of the cradle head and the light supplementing lamp with a traffic control box; connecting adjusting and testing software to the traffic control box, sequentially adjusting the rotation angle of the cradle head and the output power of the light supplementing lamp according toa preset adjusting and testing method, taking pictures by the camera, transmitting the pictures back to the adjusting and testing software, selecting a final picture by an operator after comparing all of the pictures, transmitting adjusting and testing parameters used by the picture back to the cradle head and the light supplementing lamp by the adjusting and testing software to serve as the final parameters; and finally, disconnecting the adjusting and testing software from the traffic control box to complete the adjustment and testing. The method has the characteristics of short adjustmentand testing time, low adjustment and testing cost, high safety and good light supplementing effect.

The invention discloses mobile phone screen glass lens impurity detection equipment. The equipment comprises an electrical cabinet and a detection tray assembly, wherein a supporting plate is fixedlymounted at the top of the electrical cabinet; the detection tray assembly comprises a supporting plate and a protective cover. The protective cover comprises four groups of coamings; the four groups of coamings are fixedly connected in sequence and are of hollow structures; the supporting plate is rotationally mounted above the supporting plate; suction cups are annularly arrayed in the supportingplate at equal intervals. A support is fixedly installed on one side of the upper portion of the supporting plate. A hanging bracket is slidably mounted at the bottom of the support; the hanging bracket comprises a first connecting plate and a second connecting plate; the second connecting plate is mounted below the first connecting plate in a sliding manner; an electrostatic dust removal rod isfixedly installed at the bottom of the second connecting plate, an air blowing fan is fixedly installed in the electrical cabinet, and an air outlet of the air blowing fan is fixedly communicated witha pipeline, so that the vision influence caused by manual visual inspection is avoided, the transfer process of lenses in production is reduced, and the production efficiency is improved.

A housing (10) of projector or vehicle lamp, especially for a motor vehicle, comprising a box bottom wall (6) obtained by molding a thermoplastic resin by injection, intended to be fixed on a part of the bodywork or other element attached to the body of said vehicle, said wall of determined thickness being defined by a front face and a rear face (60), said rear face (60) having a determined number of protrusions (61 to 63) projecting from the rear surface (60) of the housing end wall (6) to form supports arranged so as to be capable of ensuring the isostatism the housing (10), said protrusions (61 to 63) being integral with the housing (10) and performed at the same time as the molding of the housing (10), said housing (10); being characterized in that the projections (61 to 63) have a general S-shape extending in a plane parallel to the plane of the housing end wall (6) of constant cross section throughout the length of S and thickness equal to that of the housing bottom wall (6).

The invention relates to the technical field of management systems, and discloses a multifunctional scenic spot comprehensive management system. The problems that current scenic spot illumination management is easily affected by weather, street lamps cannot be turned on and turned off in time, photovoltaic structures adopted by the street lamps cannot track illumination and are low in light conversion rate, assembly structures cannot be rapidly assembled when the street lamps are installed, and the working efficiency is low are solved. The system comprises a street lamp assembly, the upper end of the street lamp assembly is provided with a communication module. Through cooperation of a photosensitive sensor module and a clock module, visual influence caused by weather influence can be effectively avoided; through the arrangement of the photovoltaic panel mechanism, a photovoltaic panel can always track the strongest receiving angle of illumination, so that illumination is received to the maximum extent, solar energy is converted into electric energy, energy loss is reduced, and the light conversion rate is high; and by means of the bolt connection mode of all the components, the street lamp assembly can be rapidly installed, the working efficiency is high, the overall structure is simple, and the maintenance cost is low.

The invention relates to an automobile B column section design method and a computer readable storage medium. The automobile B column section design method comprises the following steps: S1, obtainingthe section inertia moment Ia and the full-plastic section bending moment Ma of each section of the upper middle portion of a B column of a target basic automobile model; S2, establishing a B-columnsection finite element model of the target basic vehicle model according to the section inertia moment Ia and the full-plastic section bending moment Ma; S3, performing finite element simulation analysis on the B column section finite element model to obtain the maximum contact force Fa between the pressing plate and the target basic vehicle model under the jacking working condition, and determining the roof compressive strength A of the target basic vehicle model according to the maximum contact force Fa; and S4, according to a comparison result of the roof compressive strength A of the target basic vehicle model and a first preset threshold T1, determining attribute parameters of each section of the final B column. By implementing the method, a large amount of later repeated work causedby blind design of the section of the B column can be avoided, and view influence caused by unreasonable design of the section of the B column can be avoided.