With the continuous acceleration of economic development and urban modernization, the continuous in

　The LED car screen is installed on the car, using a dedicated power supply, control card, and unit board to display text, pictures, animations, and videos through dot matrix lighting. It is an independent set of LED vehicle display system with the rapid development of LED display. The requirements for dustproof and other aspects are higher. Yiris car screen has strict control in all aspects and has higher requirements for products.

　　1. Features

　　Industrial-grade dual-processing chip LED control system high-efficiency switching power supply

　　9~36V normal pressure working screen body comes with ACC physical control, which is divided into four sections to control the switch screen, which can reasonably play the advertising benefits. Unique four advertising cycle modes, the playback time can be accurately controlled to seconds.

　　GPS, LED screen Communication fault self-checking function Dozens of playback effects Ten-level movement speed adjustment Support dot matrix image playback Advertisement expired and automatically deleted, no need to consume traffic Hardware watchdog, fault recovery by itself, the largest program reduces on-site maintenance Alloy fuselage LED light board version 8 characters, non-splice board size: 726mm * 96mm standard P6 standard appearance specification: 800*200*180mm

　　2. Technical parameters

　　1. Pixel tube unit box

　　Physical point spacing: 6mm 7.62mm 10mm

　　Physical density: 2048 points/set

　　Luminous point color: single primary color

　　Primary color: single red, yellow, green, blue, white

　　Unit board size: (length) 728 mm X (height) 122 mm) screen resolution: (length) 128 points X (height) 16.7) screen density: 2048 points

　　2. Display parameters

　　Screen display area:

　　Best viewing distance: 20~200M

　　Best viewing angle: horizontal 110 degrees, vertical 90 degrees

　　Ambient temperature: storage

　　-40℃～+85℃, working -20℃～+50℃

　　Relative humidity: 10% to 95%

　　Screen thickness: ≤22cm+ maintenance space 70CM

　　3. Power supply

　　Working voltage: 12-36V to 5V (two-phase three-wire system)

　　Average power consumption: ≤ 15W/set

　　Maximum power consumption: ≤ 60W/set

　　4. Main technical parameters

　　Drive device: use LED special drive device

　　Drive mode: constant current drive/constant voltage drive

　　Frame changing frequency: ≥60 frames/second

　　Refresh frequency: ≥180 frames/second

　　grayscale

　　/ Color: 256 levels each for red and green

　　Screen brightness: ≥ 1800Cd/m2

　　Brightness adjustment method: software adjustment 20 levels adjustable

　　Video signal: Wireless PAL/NTSC

　　Video input/output method:

　　The control system uses:

　　Mean time between failures: ≥10000 hours

　　Lifespan: 80,000 hours

　　Flatness: ≤1.5mm between any adjacent pixels, module splicing gap<1mm

　　Uniformity: pixel light intensity, module brightness uniformity

　　Power switch: automatic switch

　　Switching power supply load: 12-36V to 5V/20A

　　Effective communication distance: wired 120 meters without interruption /GPRS/GSM/U disk multiple functions

　　5. Protection technology

　　Moisture-proof, dust-proof, anti-corrosion, anti-static, anti-lightning, and has over-current, short-circuit, over-voltage, under-voltage protection functions

　　4. Classification

　　1. Classify by color

　　Monochrome: Generally, there are red, yellow, blue, green and white lights, mainly used for displaying advertisements on the top of taxis, and displaying road sign information on the front and rear sides of the bus; Dual-color: one screen has two colors, mainly used for the function screen of the bus ; Full-color: Also known as color screen, it is mainly used to display full-color advertising information on other types of car bodies. Most of the area is larger than single-color and two-color car screens, and the production cost is higher, but the advertising effect is better.

　　2. Classification by carrier

　　Taxi LED moving text screen: Taxi top screen/rear window screen, LED strip screen for scrolling and playing text, mostly single and double colors, most of which display some text information and scroll to play advertising information. LED large screen for trucks: mainly convert the body of a large truck into an LED display, and display full-color images with high-definition highlights. It can be used as a high-protection LED display such as waterproof and anti-sunlight on the periphery of the truck body. High-definition full-color display of advertising information, richer display to achieve a more intuitive way to leave a deeper advertising impression on roadside passers-by. Bus LED display: It is mainly used to display road signs on buses, and most of them are single and double colors.

　　3. Classification by lamp beads

　　P6: The spacing between lamp beads is 6mm, generally used in taxi advertising screens, the display is delicate, and the viewing distance is 10-50m P7.62: The horizontal spacing is 6mm, the vertical spacing is 7.62mm, and the viewing distance is 30-80m P10: Lamp beads The spacing is 10mm, which is mostly used in bus screens.

　　4. Classification by advertisement release method

　　1. Serial port type/U disk type: When the number of vehicles is small, or the text content is not changed frequently, such as the display screen of the bus stop. When changing the text content in the screen, you need to use a serial cable to connect to the computer to change, or save the content to be changed in a U disk first, and then plug it into the USB interface of the screen. (However, there can be no other content in the U disk) 2. GPRS type: When the number of cars reaches a certain amount, it will be very troublesome to change the contents of the characters one by one. Or it will be very troublesome to change the text content frequently, so directly using computer remote control will bring more convenience to 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 other functions of GPS, it brings a lot of convenience to taxi company management. In addition, because the GPS will take the satellite time at any time, the GPS-type LED display is much better than the GPRS-type walking screen in terms of advertising synchronization.

　　Guangzhou Haobo Baixing Optoelectronics Co., Ltd., Dongfeng Nissan car screen project: