In the past, Powerful Color has been committed to driving industry progress, delivering top-notch products and services to its customers. From promoting surface stickers to popularizing high-definition, high-order PWM driver ICs, and standardizing cell board sizes at 320*160mm, the company has continuously pushed the boundaries of innovation. This time, Powerful Color is once again leading the way by revitalizing outdoor LED large-screen products. The next generation of outdoor surface-mount solutions will soon be upgraded with a new energy-saving approach, offering customers real energy-saving LED big screens.
**Two-pronged Approach, More Energy Efficient**
Traditional energy-saving methods that rely solely on lowering the power supply voltage have limitations. In response, Powerful Color’s outdoor LED large-screen energy-saving solution introduces a dual strategy: using DSPWM constant current drive ICs combined with a 4V power supply. This two-pronged approach significantly enhances energy efficiency, delivering real and measurable energy savings.
**Energy-saving One-piece, Starting with the Core**
The DSPWM constant current driver IC used in Powerful Color’s energy-saving solution is based on a double-latch design, maintaining high brightness and display performance while adding intelligent brightness adjustment. By employing low-voltage turn-on technology, this IC reduces power consumption by 20–25%. For example, when tested on a 1m² P5 outdoor surface mount module, the power consumption was reduced by 21% compared to conventional constant current ICs. This translates to an annual energy saving of about 1,000 kWh per module. When applied to hundreds of outdoor LED screens, a 100m² screen can save up to 100,000 yuan in electricity costs each year.
**Energy-saving Duo, Starting from the Outside**
Using a 4V power supply in conjunction with LED screens equipped with DSPWM constant current drive ICs ensures optimal performance. Each power device operates efficiently even under partial voltage, eliminating heat loss caused by excess voltage and preserving normal lamp brightness and lifespan. This dual approach allows for more efficient energy savings.
**Energy-saving Solutions Go Beyond Just Saving Energy**
Powerful Color’s outdoor LED large-screen energy-saving solution not only reduces energy use and emissions but also delivers performance that is several times better than traditional constant current ICs.
**Enhance 1: Increase Refresh Rate and Brightness**
Equipped with a DSPWM constant current drive IC, Powerful Color’s solution uses a double-latch DS-PWM protocol. Compared to conventional chips, this increases the refresh rate by 2–4 times, reaching 1920Hz or higher, and boosts brightness by over 15%.
**Enhance 2: Built-in Shadow Elimination Function, Improved Display Quality**
The DSPWM constant current driver IC features a built-in shadow elimination function, paired with a line driver chip that removes “row and shadow†effects on LED screens, resulting in a much smoother and more refined visual experience.
**Enhance 3: Smart Brightness Adjustment, Customized for Different Environments**
With an integrated current adjustable function, the DSPWM IC allows for 32 levels of smart brightness control via software. It intelligently adjusts current levels according to ambient lighting conditions, achieving both energy savings and emission reduction.
**Enhance 4: Low Gray Improvement, Perfect Display Performance**
The DSPWM constant current IC supports a working voltage range of 3.3–5V and includes built-in low gray improvement and current accuracy enhancement functions. It effectively resolves issues like red color imbalance, low gray color blocks, and screen cascading problems, ensuring a more accurate and consistent display.
To achieve both energy efficiency and superior display quality, Powerful Color’s outdoor LED large-screen energy-saving solution—featuring DSPWM constant current drive ICs and a 4V power supply—is being rolled out across all outdoor LED surface-mount products. If you're looking for LED big screens, choose Powerful Color. For energy-efficient outdoor LED displays, look no further than Powerful Color!
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