49 results about "Lighting-up time" patented technology

The invention relates to a brightness compensation method and device. The method comprises the steps of receiving an instruction for lighting up a screen; lighting up pixel units in the screen; before lighting up the pixel units in the screen, or in the process of lighting up the pixel units in the screen, or after lighting up the pixel units in the screen, reading brightness compensation data; performing brightness compensation on the lighted-up pixel units according to the brightness compensation data. According to the technical scheme provided by the invention, the pixel units are firstly lighted up; then, the pixel units are subjected to brightness compensation according to the brightness compensation data; a user is enabled to immediately see that the screen is lighted up after the instruction input; further, the brightness compensation can be performed on the pixel unit according to the brightness compensation data after the screen lighting up, the brightness compensation on the screen can be completed in the process that the eyes of people adapt to the lighting-up screen watching, so that the experience of the user in the process of watching the screen from the closing time to the lighting-up time can be integrally improved.

A color sequential liquid crystal display (color-sequential-LCD) and an LCD panel driving method thereof are disclosed. By changing the arrangement of the pixel array in the LCD panel and turning on several rows of pixels in the LCD panel at the same time, so that the color sequential LCD of the present invention not only respectively reduces the scanning time of red, green and blue video data to make the liquid crystal molecules of all the pixels on the LCD panel have enough response time but also respectively increases the lighting-up time of the red, green and blue light emitting diodes of the back light module to promote the display brightness of the entire LCD panel. Therefore, the color sequential LCD of the present invention displays a single color or a full color image without the bottom color mixing phenomenon, and furthermore, the display brightness thereof can be promoted.

The invention discloses a traffic light control method and control system. The control method includes the following steps that: the lighting-up state of a traffic light is initialized, a distance threshold value is set; the real-time positions of vehicles are acquired, and when it is detected distance between the vehicles and the traffic light are smaller than the distance threshold value, the vehicles send passage requests; the passage requests sent by the vehicles are received, and the quantities of the passage requests received in different passage directions is put into statistics; and the quantity difference of the passage requests received in the different passage directions is calculated, and the lighting-up time of the red lamps and green lamps of the traffic light in the different passage directions is adjusted according to the quantity difference. According to the traffic light control method, the passage requests sent by the vehicles in different passage directions are obtained, and the quantity difference of the passage requests received in the different passage directions is calculated; and the lighting-up time of the red lamps and green lamps of the traffic light inthe different passage directions is adjusted according to the quantity difference; and therefore, the passage capacity of roads is given to full play, the waste of the passage resources of the roadsis prevented, and the passage efficiency of the roads is improved.

A liquid crystal display device includes a plurality of pixels each connected to a signal line via a switching element. Each pixel includes first and second sub-pixels having voltage vs. luminance characteristics different from each other with respect to a signal voltage supplied from the signal line. A threshold signal voltage of the first sub-pixel is lower than that of the second sub-pixel. The pixels form color display pixels which are red, green pixel and blue pixels. Where the area ratio of the first sub-pixel in each of the red, green and blue pixels is SR1, SG1 and SB1, and the ratio of the lighting-up time period of the first sub-pixel of each of the red, green and blue pixels in one vertical scanning period is TR1, TG1 and TB1, the relationship of (SR1×TR1)>(SG1×TG1)>(SB1×TB1) holds.

The invention provides a traffic light capable of intelligently adjusting the switching time. The traffic light comprises a pole body and a signal lamp display module. The pole body is arranged besidean intersection, and the signal lamp module is arranged on the pole body. The traffic light further comprises an intelligent processing system and radar sensors. The radar sensors are arranged on theroad side of a vehicle waiting area of the intersection where the traffic light is located and used for detecting the number of vehicles in the vehicle waiting area. The signal lamp display module and the radar sensors are both connected with the intelligent processing system, and the intelligent processing system reads signals of the radar sensors and outputs control signals of different passageduration to the signal lamp display module. By arranging the radar sensors, the number of the vehicle in the vehicle waiting area is monitored in real time, the lighting-up time of each traffic lightbody is adjusted according to the monitoring result, the traffic pressure can be effectively relieved, the time of people is saved, and traveling of people is facilitated.

The invention discloses an intelligent traffic system and a control method thereof. The intelligent traffic system comprises a traffic flow detection device, a traffic control device and a traffic signal indicating device, wherein the traffic flow detection device is used for detecting the traffic flow of a target road in each time period; the traffic control device receives the detection result of the traffic flow detection device, generates a first instruction and a second instruction according to the detection result of the traffic flow detection device, is arranged on the road surface of the reversible lane, and is used for receiving the first instruction of the traffic control device and changing the reversible lane according to the first instruction; and the traffic signal indicatingdevice is arranged at the traffic intersection and is used for receiving the second instruction of the control device and adjusting the lightening time of each signal lamp according to the second instruction. The traffic flow is detected, and the lighting time of each signal lamp is adjusted according to the traffic flow, so that the utilization rate of the road traffic capacity can be enhanced.

The invention relates to a method and a device for controlling a street lamp, the street lamp and a readable storage medium. The method is applied to the street lamp. Firstly, the street lamp acquiresthe light on condition of vehicles passing under the street lamp from the first preset time, then the appropriate lighting time of the street lamp is determined in accordance with the light on condition of the vehicles, and finally the street lamp is controlled to be lit on according to the appropriate lighting time. Therefore, the lighting time of the street lamp is no longer fixed and is determined according to the light on situation of the vehicles actually passing under the street lamp and thus flexibility of the lighting time of the street lamp is improved. Meanwhile, when the driver ofthe vehicle needs the auxiliary lighting of the street lamp, the street lamp is lit so that the lighting service capability of the street lamp to the vehicle is improved. In addition, when the driverof the vehicle does not need the auxiliary lighting of the street lamp, the street lamp is in the off state, thus avoiding the waste of electric energy by the street lamp and prolonging the service life of the street lamp.

There is provided a vehicular lamp that can prevent excess current from flowing between an anode and a cathode at the lighting-up start to prevent a damage and life shortening of a cold cathode fluorescent lamp at low cost. The vehicular lamp includes: a cold cathode fluorescent lamp having a cathode, a gate, and an anode; and a lighting controlling unit operable to pre-discharge electricity from the cathode to the gate prior to lighting of the cold cathode fluorescent lamp, in which the lighting controlling unit applies a voltage between the cathode and the anode after once lowering a voltage between the cathode and the gate and then again applies an extraction voltage between the cathode and the gate in order to begin to discharge electricity from the cathode to the anode. The lighting controlling unit may pre-discharge electricity from the cathode to the gate until the temperature of the cathode is substantially equal to that of lighting-up time.

The invention relates to the technical field of intelligent traffic management, and provides a traffic signal lamp control device, system and method. The method comprises the steps that a front-end identification sub-device acquires multiple traffic images according to the preset time interval and analyzes each acquired traffic image so as to obtain the current traffic volume and transmit the current traffic volume to a rear-end processing sub-device; and the rear-end processing sub-device determines the light-up time of the traffic signal lamps according to the current traffic volume transmitted by the front-end identification sub-device and controls light-up of the traffic signal lamps according to the light-up time. The current traffic volume is detected in real time and the on/off timeof the traffic signal lamps is intelligently adjusted according to the current traffic volume so that the vehicles are enabled to pass according to the reasonable indication of the traffic signal lamps and the road congestion can be effectively reduced.

The invention discloses an ignition method of a W-shaped boiler, relates to an ignition method of a boiler, and particularly relates to the ignition method of the W-shaped boiler. The ignition method of the W-shaped boiler comprises a cold-start ignition method and a hot-start ignition method of the boiler, wherein the cold start of the boiler is the ignition for start after the boiler stops running for not less than 48 hours; and the hot start of the boiler is the ignition for the start after the boiler stops running for less than 8 hours but not less than 2 hours. According to the ignition method of the W-shaped boiler, which is provided by the invention, on one hand, the ignition is carried out by utilizing the characteristic that soft coal is inflammable; on the other hand, coal mills are started orderly according to a sequence; coal powder is slowly added into the boiler amount by amount; the quick ignition of the boiler is realized; the lighting-up time of the coal powder in the boiler and the start time of a whole unit are shortened; meanwhile, an oil gun can be withdrawn when the load of the unit reaches 35 percent; the consumption of fuel oil is decreased; and the production cost is saved to a great extent.

The invention discloses a sound-light control circuit and a lamp. The sound-light control circuit comprises a power supply conversion module, a sound-light detection module and a control module, wherein the sound-light detection module is used for detecting whether a circuit is in an environment with the set light intensity and sound intensity; the control module comprises a control unit and a relay controlled by the control unit; the first input end of the control unit is connected with the power supply conversion module; the second input end of the control unit is connected with one end of the sound-light detection module; the third input end of the control unit is connected with another end of the sound-light detection module; the first output end of the control unit is connected with one end of an electrifying coil; the second output end of the control unit is grounded; the other end of the electrifying coil is grounded; a switch is connected between an alternative-current power supply and the lamp; when the sound-light detection module detects that the circuit is in the environment with the set light intensity and sound intensity, the control module controls one end of the switch to be connected with the other end, the alternative-current power supply is communicated with the lamp, and the lamp lights at set lighting time. By adopting the sound-light control circuit, the relatively humanized control on the lamp is achieved, and energy is saved.

The invention discloses an intelligent traffic light system with adjustable brightness. The system comprises a laser radar module, a data transmission module, a central control unit and an LED module.The laser radar module comprises a transmitting unit, a receiving unit, an image processing unit and a microcontroller, the transmitting unit, the receiving unit and the image processing unit are respectively connected to the microcontroller, and the microcontroller, the data transmission module and the LED module are respectively connected with the central control unit. The system adopts laser radar scanning and performs 3D imaging, feature extraction and traffic flow analysis, and the data exchange of adjacent traffic lights at the intersection is achieved through Bluetooth, so that the light-up time of traffic signal lights of traffic lights is intelligently changed, and the traffic pressure is reduced.