Party Building Exhibition Hall LED Full Color Display Decoration Project - Anhui Hefei Haoxian LED Full Color Display Scheme Quotation

1. According to the provisions of GB/T5080.1-2012, the average failure working interval time of LED display screens
MTBF experiment ≥ 100000H.
2. Average power efficiency: According to Appendix A of GB 20943-2013 standard, at room temperature
The power factor of the power supply for LED display screens shall not be less than 90%, and the conversion efficiency shall not be less than 70%..
3. The flame retardant test of the whole machine is conducted according to the standard GB/T2408-2008,
m² 12.2956
GB/T5169.5-2020, GB4943.1-2011, UL94 combustion test method for testing, in compliance with V-0
Level standards.
4. Horizontal relative misalignment level: The horizontal relative misalignment level meets the SJ/T 11141-2017 standard C
Grade.
5. Brightness uniformity: The brightness uniformity meets the C-level of SJ/T 11141-2017 standard.
6. Interference light: The limit value of brightness for LED display screens in accordance with GB/T 36101-2018 standard.
7. Lamp bead thrust test: Randomly select LED lamp beads and place them at a horizontal angle of 45 ° on all four sides of the bead
Apply a thrust of not less than 12N, and ensure that the lamp beads are not broken or detached.
8. To ensure the packaging and transportation safety of the screen body, the bidding LED display screen should meet the requirements
The requirements of GB/T4587.1-2019 standard.
9. Moir é suppression function: The display screen needs to have Moir é suppression function to reduce Moir é visual interference
The observation effect is 80%.
10. To ensure smooth playback of the display screen, the delay time of the LED display screen is ≤ 1ms.
11. Indoor work noise: In a professional testing environment, the sound pressure level at a testing distance of 1 meter is ≤ 8dB.
12. To ensure the reliability of LED display screens, the surface hardness of the screen body needs to be ≥ 4H.
13. The LED display screen meets the power-off storage function, does not lose data, automatically recovers when powered on, and does not require a reset
Reconfigure.
14. To ensure the color performance of LED display screens, the color gamut space coverage of the screen body is ≥ 122% YIQ
(NTSC) and YUV (PAL) with a coverage rate of ≥ 173%.
15. Due to the fact that display screens are high-power electrical devices, in order to effectively save energy and reduce emissions, the screen body has intelligent energy-saving features
The electric function, with the black screen power-saving function turned on, can save more than 45% energy compared to not turning on the intelligent power-saving function.
16. To ensure the structural strength of the LED display body, the main components of the module are made of polycarbonate and fiberglass materials.
17. To ensure the safety performance of the screen, there must be no batteries inside the screen.
18. To implement the requirements of the occupational health system and ensure that equipment installation does not harm construction workers,
The corners and edges of the LED display screen products should be rounded and polished