With over 10,000 state of the art high resolution indoor LED panels across the country, Matrix Visual is present at all major trade shows and conventions. | 714-363-9473; 714-363-9473; The Premier Supplier ... The X-Series Flex LED panel takes on the demand for a curved wall, and takes it 10 times further. Cylinders, archways, waves, get ready. Using the LED Matrix Panel: Prepare your Pi. Install Raspberry Pi OS. Connect the bonnet to the Raspberry Pi. Connect the panel's power cables to the bonnet. Connect the ribbon cable. Optional: Print the LED panel housing. Optional: Add a. The Matrix Difference. Matrix Visual focuses on building long-term relationships as your preferred LED rental company. Our teams work with you to create a unique visual impact in corporate spaces, staged entertainment, business conferences, trade shows, concerts, and any indoor or outdoor venue where an "out-of-this-world" visual experience is the goal.