The LED car screen is installed on the car. It is powered by a dedicated power supply. The control card receives and outputs data to the dot matrix LED unit board, and displays the text, picture, animation, and video equipment by controlling the dot matrix. As a more novel advertising information transmission medium, the car LED display can store a large amount of text information, control the display mode of text and font through the built-in microprocessor, realize the timing display function, and can also move and spread anywhere.
LED car screen classification
1. Classified by carrier
(1) Taxi LED electronic screen: Taxi top screen / rear window screen, used to scroll the text of the LED strip screen, mostly single and double color, mostly display some text information to scroll advertising information. The roof screen can be customized with a ceiling light with an empty car guest card in front, and the effect is better.
(2) Bus LED electronic circuit card: It is mainly used for the front and rear of the bus, and the right side shows the information such as the up and down, brake, left turn and right turn of the street sign. Or the vehicle displays the station prompt information and so on. And mostly in single and double colors.
(3) Police car, official car LED car electronic screen: mainly installed in the car roof, display warning information, road conditions, executive official information and other public information, you can integrate the strobe function.
2, classified by advertising method
(1) U disk type: When the number of cars is small, or the contents of the characters are not changed frequently, such as the display of the bus stop. The content that needs to be changed when changing the screen display content is saved in the USB flash drive and then inserted into the USB interface of the screen.
(2) GPRS type: When the car reaches a certain number, it will be very troublesome to change the content of the word one by one. Or it is very troublesome to change the content of the word frequently. Therefore, directly using the GPRS wireless LED control card, the computer remote control will bring more convenience to the customers, and get twice the result with half the effort.
(3) GPS type: GPS type and GPRS type are the same in advertising, but because of the other functions of GPS, it brings a lot of convenience to the management of taxi companies. In addition, because GPS will take satellite time at any time, GPS-type LED display is much better than GPRS-type screen in terms of advertising synchronization.
LED car screen advantages
Some taxi drivers often say that the car screen is harmful to the car. In fact, don't worry. Generally, it is like a monochrome spell on a taxi. It is relatively small and the process is not too complicated. The full-color screen car screen is generally modified with a car like Iveco, which takes into account several problems. The first is the shockproof of the screen body. Because of the influence of the road surface and other factors, shockproof is very necessary; the second is heat dissipation. The problem is that the heat dissipation is not good. First, the life of the components of the display is degraded. Second, the temperature inside the compartment is too high, so the heat dissipation scheme is also particularly important, considering the problems of power supply and air circulation.
The car LED display has the novel features of real-time, flexibility, mobility and large capacity. For users who have some "visual fatigue" on the static LED display, this new method has been favored by users.
Taking the bus-mounted LED display as an example, passengers can provide important passenger information, route information, etc., and the advertising effect is prominent. A city bus is still one of the main means of public travel, and the passengers who take it every day Millions of people. The number of people it carries is huge. The ten-minute “free time†in the car is idle and boring. If there is a mobile display in front of it, it will broadcast news, entertainment, weather, advertising information, etc. The reading media that is actively "crammed" in front of it can attract the attention of passengers to the greatest extent and achieve good advertising effects.
For taxis, the car screen is not harmful to the car, you can also get advertising revenue, why not? In addition, the GPS-type LED car screen can use GPS to locate the vehicle and return the position, which is beneficial to the taxi management center or the bus dispatching center to grasp the position of the vehicle at any time, real-time scheduling, to reduce the no-load rate and ease the traffic. The purpose of congestion.
For government official vehicles and police cars, the LED car screen has a large storage capacity, and can report daily advertisements, news, policies and regulations, public convenience information (such as weather forecast), urban culture, transportation and other information to the public through the display screen. Its public welfare is particularly prominent, and it is the mouthpiece of the government and the window of urban civilization. In addition, in the case of a criminal case, the GPS can notify the driving position and line of the alarm vehicle to 110 in time. At the same time, the LED display on the window will flash “I am robbed, please call the police†and so on. Control and combat illegal crimes.
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