Specifically, Baidu Kirin Electronics.
The following is an example
A single box body is assembled with the screen body.
1, unit box 1) Box size: (width) 1024mm× (height) 768 mm
2) Box resolution: (width) 64 points × (height) 48 points.
3) Box density: 3072 points/box
4) Box weight: waterproof sealed box ≤65kg/m2.
2. Display screen
Full screen 1) Display area of screen body: (length) 6. 144m× (height) 3.84m=23.59m2
2) Number of unit boxes: (length) 6× (height) 5 = 30.
3) Physical resolution: (length) 386 points × (height) 240 points =92 160 points.
4) Optimum sight distance: 13 ~ 130m.
5) perfect angle: horizontal ≥ 1 10 degrees, vertical 45 degrees.
6) Ambient temperature:-10℃ ~+85℃ during storage and-10℃ ~+65℃ during operation.
7) Relative humidity: 10% ~ 95% RH
8) Screen thickness: ≤ 18.5cm+ maintenance thickness of 70CM.
3. power supply 1) working voltage: AC 220v 10%, 50Hz (three-phase five-wire system).
4. Control system 1) Control host: Lenovo Tian Kai host or computer at the same level or above.
2) Operating system: WIN 98/ 2000/ NT/XP.
3) Control mode: synchronous control.
4) graphics card: DVI graphics card
5) Editing card: PCTV card
5. The main technical parameters are 1) Driving device: LED special driving device is adopted.
2) Driving mode: static constant current driving.
3) Frame changing frequency: ≥60 frames/second
4) Refresh frequency: ≥480 frames/second.
5) Gray scale/color: it can display 256 levels of red, green and blue, and the color of16.7m.
6) White balance brightness: ≥7000cd/m2
7) Brightness level mode: 100 level can be adjusted by software.
8) Video signal: PAL/NTSC
9) Video input/output mode: eight-channel input/eight-channel output.
10) The control system adopts PCTV nonlinear editing card +DVI graphics card+full color control card+optical fiber transmission.
1 1) leakage: < < 2mA
1 1) mean time between failures: ≥ 10000 hours.
12) Life expectancy: 65438+ million hours.
13) flatness: ≤0.5mm between any adjacent pixels, module splicing gap.
14) uniformity: the pixel light intensity and module brightness are uniform.
15) power switch: automatic switch
16) switching power supply load: 5V/40A.
17) computer display mode: 800×600, 1024×768.
18) Effective communication distance: ≤ 120m (there is no relay for twisted-pair cables exceeding category 5 in the national standard.
≤300m (multimode optical fiber transmission), ≤ 10km (single mode optical fiber transmission),
6. Software-Guided Universal Play Software (MDK)
7. Protection technology is moisture-proof, dustproof, anti-corrosion, anti-static and lightning-proof, and has the functions of over-current, short-circuit, over-voltage and under-voltage protection.
8. Play content text files, WORD files, all picture files (BMP/JPG/GIF/PCX ...) and all animation files (MPG/MPEG/MPV/MPa/AVI/VCD/SWF/RM/RA/RMJ/ASF ...).
9. Modular structural design of assembled structural units. The screen adopts modular-display box-display screen combined structure, which is convenient for assembly.
10, installing