FAQ

Our products range in brightness from 600cd/m² to 7000cd/m², depending on the application environment and requirements.

Products are divided into indoor products and outdoor products, according to the different application environment and demand, waterproof performance is different. Among them, outdoor products are waterproof, and the waterproof performance is IP65.

We use Nova control system. Support cluster play and management. Support APP/ Phone/ WIFI/ Ipad/ Laptop/ PC/ Cloud control. It's very easy and convenient to control the screen.

Yes, we can provide customized size, shape and material service according to the specific needs of customers.

We accept wire transfer (T/T), Western Union payment methods.

The lead time for standard products is 2 weeks, while custom products may take longer.

Sea transport, air transport, freight transport, rail transport.If there is a freight forwarder cooperation in our country, we can transport to the designated warehouse.

Our products have passed CE, ISO, RoHS, UL and other international certifications to ensure compliance with safety standards around the world.

Yes, we have 100% test for 72 hours before delivery.

For complex faults of P6 outdoor LED display sign board screens (such as control card failure, circuit board short circuit), follow these advanced steps: ① Disassemble the screen shell (pay attention to protecting the connecting wires) and check the circuit board for burnt marks; ② Use a oscilloscope to detect the control card signal output (replace the control card if there is no signal); ③ Reweld loose solder joints with a soldering iron (for professional personnel only); ④ After repair, test the screen for 24 hours to ensure stability. JunChen Display provides all original P6 display repair parts (control cards, circuit boards) and professional technical guidance for complex repairs.

The main types of backlights used in LED displays are: ① Edge-lit backlight (LED beads are installed on the edge of the backlight panel, with thin thickness, suitable for small and medium-sized displays such as monitors); ② Direct-lit backlight (LED beads are evenly arranged behind the backlight panel, with high brightness and uniform light emission, suitable for large-sized outdoor displays); ③ Mini LED backlight (smaller LED beads, precise dimming, suitable for high-end commercial displays). JunChen Display selects backlight types according to the product's use scenario—outdoor large screens mainly use direct-lit backlights, while high-end indoor displays use mini LED backlights.

An LED display is a flat-panel display device that uses light-emitting diodes (LEDs) as pixel units to emit light and form images. Its working principle is to control the on/off and brightness of each LED bead through a driving circuit, thereby displaying text, pictures, videos, and other content. LED displays are divided into indoor and outdoor types according to the use environment, and are widely used in advertising, stadiums, conferences, and other fields. JunChen Display provides a full range of LED display products with high stability and clear display effects.

A mini LED TV is a television that uses mini LED backlight technology—its backlight is composed of thousands of tiny LED beads (smaller than 0.2mm), which can achieve precise local dimming. Compared with traditional LED TVs, mini LED TVs have higher contrast (deep black levels and bright highlights), better color accuracy, and lower power consumption. JunChen Display applies advanced mini LED backlight technology to its commercial display products, suitable for high-end retail stores, luxury hotels, and other scenarios.

To clean an LED screen TV safely, follow these steps: ① Turn off the TV and unplug the power cord to avoid electric shock; ② Use a dry, lint-free microfiber cloth to gently wipe the screen (avoid rough cloths that scratch the surface); ③ For stubborn stains, spray a small amount of professional LED screen cleaner on the cloth (do not spray directly on the screen) and wipe gently; ④ Do not use alcohol, ammonia, or other corrosive cleaners, as they will damage the screen's anti-reflective coating. JunChen Display recommends cleaning the screen every 2-3 months for optimal display effect.

Common faults and repair methods for P6 outdoor LED display sign board screens: ① If the screen is black, check whether the power supply is normal and the power line is loose (replug and test); ② If there are dead pixels, use a multimeter to detect faulty modules and replace them with JunChen's original P6 modules; ③ If the display is distorted, reconfigure the control card parameters according to the manual. For complex faults (such as water damage), contact JunChen's after-sales team for professional on-site repair services.

To build a mini jumbotron, follow these 5 steps: ① Determine the size (common mini sizes are 30-60 inches) and purchase matching LED modules (JunChen P2.5-P3.91 modules are recommended for clarity); ② Prepare a metal or wooden frame to fix the modules; ③ Install the control card (JunChen provides easy-to-use control cards with detailed manuals); ④ Connect the power supply and test the signal; ⑤ Assemble the shell and add heat dissipation components. If you want to save time, JunChen offers ready-made mini jumbotrons with plug-and-play functionality.

If you encounter technical issues with your JunChen LED screen, please contact our after-sales team via email or online chat. Our technicians will respond within 24 hours, provide remote troubleshooting guidance, and arrange replacement parts if needed.

JunChen Display offers a 3-year warranty for all our LED screens. During the warranty period, we provide free replacement of defective parts (excluding damage caused by improper use). We also offer lifetime technical support for all customers.

Absolutely. All JunChen LED display orders come with a free step-by-step installation tutorial. For large-scale projects, we can arrange on-site installation service by our professional technicians (additional fees apply for overseas trips).

Yes! JunChen Display specializes in custom LED video wall solutions, including curved screens, transparent LED displays, and irregular-shaped panels for stage, museum, and retail projects. Our engineers will design a tailored plan based on your venue size and usage scenarios—send your requirements to our email for a free design.

For standard JunChen LED screen models (e.g., P2.5 indoor, P3.91 outdoor), the MOQ is 2m². For custom LED video wall solutions (e.g., special shapes, custom sizes), the MOQ is negotiated based on your project needs.

JunChen LED display prices are mainly affected by 4 factors: pixel pitch (smaller pitch = higher price), panel size, customization requirements (e.g., curved screens), and order quantity (bulk orders get discounts). Request a quote to get the best price for your project.

JunChen indoor LED displays feature higher resolution (like P1.2-P2.5) for close-range viewing, ideal for retail stores and conference rooms. Our outdoor LED screens are IP65 waterproof, with stronger brightness (5000-8000 nits) to resist sunlight glare, perfect for billboards and stadiums