The energy savings achieved by reducing the power supply voltage are limited by a single technical approach. The outdoor LED large-screen energy-saving solution uses a DSPWM constant current driver IC combined with a 4V power supply, creating a dual strategy that significantly improves energy efficiency and delivers real, measurable energy savings.
**Energy Saving One: Starting from the Core**
The DSPWM constant current driver IC used in the outdoor LED large-screen energy-saving system is based on a double-latch constant current driver IC. It maintains high brightness and display performance while adding an intelligent brightness-adjusting energy-saving driver IC. Its low-voltage turn-on technology reduces the power consumption of the driver IC by 20–25%. Testing showed that a 1 m² P5 outdoor surface mount module using the DSPWM constant current driver IC consumes 21% less power than a standard constant current IC. This equates to saving around 1,000 units of energy per year. When applied to hundreds of outdoor LED large screens, a 100 m² screen can save up to 100,000 yuan annually in electricity costs.
**Energy Saving Two: Starting from the Outside**
Using a 4V power supply in combination with an LED large screen equipped with a DSPWM constant current driver IC proves to be highly effective. It ensures normal operation of the LED screen, allowing each power device to function properly even at reduced voltage. There is no heat loss due to excess voltage, and the brightness of the LEDs remains unaffected. This not only protects the lifespan of the lamps but also makes the two-pronged approach more efficient in terms of energy savings.
**Energy-Saving Solutions Go Beyond Just Saving Energy**
The outdoor LED large-screen energy-saving solution not only saves energy and reduces emissions but also offers display performance several times better than traditional constant current ICs.
**Enhancement One: Increase Refresh Rate and Brightness**
The outdoor LED large-screen energy-saving solution with a DSPWM constant current driver IC uses a double-latch DS-PWM protocol. Compared to ordinary constant current chips under the same conditions, it increases the refresh rate by 2–4 times, reaching 1920Hz or higher, and boosts brightness by over 15%.
**Enhancement Two: Built-in Shadow Elimination Function**
The DSPWM constant current driver IC features an integrated shadow elimination function. Combined with a line driver chip that also has this feature, it completely eliminates the "row and shadow" effect on the LED screen, resulting in a much more refined display.
**Enhancement Three: Smart Brightness Adjustment**
The DSPWM constant current driver IC includes an adjustable current function. With control software, it enables 32 levels of smart brightness adjustment. This allows the module to intelligently adjust different current levels depending on the ambient lighting, achieving both energy savings and emission reduction.
**Enhancement Four: Built-in Low Gray Improvement Function**
The DSPWM constant current driver IC supports a working voltage of 3.3–5V and includes built-in low gray improvement and current accuracy enhancement functions. It effectively solves issues such as red color on both sides of the module, low gray color blocks, and screen cascading problems, resulting in a more perfect display.
9V Dc Adapter,Interchangeable Plug 9V 1A Power Adapter,9V 1A Power Adapter,Ac Dc Adapter 9V 1A
ShenZhen Yinghuiyuan Electronics Co.,Ltd , https://www.yhypoweradapter.com