Indoor LED Video Walls -
D Series is designed for high-end indoor display needs with ultra-high definition resolution, accurate color reproduction and ultimate picture quality.
We provide a full range of LED display solutions, from design, installation to after-sales service, always worry-free!
Whether it’s in technical innovation or customer experience, Cailiang lights up every screen with professionalism and passion, delivering every moment of brilliance!

Indoor LED Display - D Series
- High-Quality Fog Face Matte Lamp, High Contrast, Brilliant Color
- 2K/4K Refresh Rate, High-Definition Smooth Performance
- High IC, High Gray, Realistic Grayscale Treatment Effect
- More Image Enhancements, No Waves, No Blur
- Complete Model, 320 x 160mm Common Size
- Wide Viewing Angle, Visual Feast
— Features and details of LED screen walls —
Various pixel pitch options
The Indoor LED Video Walls-D Series offers a variety of pixel pitch options, including 2mm, 2.5mm, 3.076mm, and 4mm, to meet diverse display requirements across different scenarios. These varied pixel pitches provide greater flexibility in terms of detail presentation, brightness uniformity, and viewing distance.
Smaller pixel pitches (e.g., 2mm and 2.5mm) are ideal for close-up viewing, delivering clearer and more intricate image details, while larger pixel pitches (e.g., 3.076mm and 4mm) are more suitable for longer viewing distances, offering a cost-effective solution without compromising visual quality.
With multiple pixel pitch options, the D Series from Cailiang can be customized based on venue size, viewing distance requirements, and budget, ensuring they meet the needs of various users.


Exquisite detail design
The detailed design of indoor LED displays is crucial for ensuring exceptional visual performance, stable system operation, and an enhanced user experience. The D series has been meticulously crafted with this in mind, combining a unique, precise positioning system with magnetic modules to enable a fast and secure installation process. The design of the positioning beads ensures accurate alignment between screen units, effectively preventing installation deviations.
Additionally, the robust locking mechanism further enhances overall stability and safety, ensuring the LED display remains durable and consistently delivers outstanding image quality.
Front maintenance
The indoor LED display – D series features an innovative front-maintenance design, breaking the limitations of traditional LED displays. Its distinctive approach allows for effortless maintenance from the front panel without the need to dismantle the entire display module or perform complex operations. This design significantly reduces maintenance time and costs. At the same time, the D series incorporates a modular structure that enhances product reliability and extends its lifespan, ensuring stable operation while consistently delivering outstanding visual performance.


Multiple mounting options
The indoor LED display – D series offers a wide range of mounting options to fully meet the needs of different environments and spaces. This series supports various installation methods, including hanging, embedded, wall-mounted, freestanding, and column-mounted, making it flexible and versatile. You can easily choose the most suitable mounting method based on the on-site environment and display requirements, in order to achieve the best visual effect and user experience.
Indoor LED Display - D Series Module Technical Specifications
Module Size (mm) | 320×160 | 320×160 | 320×160 | 320×160 | 320×160 | 320×160 | 320×160 | 320×160 |
Physical Pixel Pitch (mm) | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 3.076 | 3.076 | 4 |
Scanning Method | 40S | 32S | 32S | 64S | 64S | 26S | 52S | 20S |
Interface Definition | HUB75 Double Input | HUB75 Single Input (Not Recommended for Cascading) | HUB75 Single Input (Not Recommended for Cascading) | HUB75 | HUB75 | HUB75 Single Input | HUB75 Single Input | HUB75 Single Input |
Unit Board Resolution (Dots) | 160×80 | 128×64 | 128×64 | 128×64 | 128×64 | 104×52 | 104×52 | 80×40 |
Pixel Density (Dots/m²) | 250,000 | 160,000 | 160,000 | 160,000 | 160,000 | 105,625 Dot/m² | 105,625 Dot/m² | 62,500 |
Brightness Range (cd/m²) | ≥550 | ≥550 | ≥550 | ≥400 | ≥500 | ≥500 | ≥400 | ≥500 |
Module Weight (g) | 400 | 450 | 450 | 380 | 380 | 400 | 400 | 440 |
Maximum Power Consumption (w/h) | ≥20 | ≥19 | ≥19 | ≥15.5 | ≥15.5 | ≥20 | ≥20 | ≥20 |
Maximum Power Consumption per m² (w/m²) | ≤390 | ≤371.1 | ≤371.1 | ≤302.3 | ≤302.3 | ≤390.6/m² | ≤390.6 | ≤390.6 |
Best Viewing Distance (m) | ≥2 | ≥2.5 | ≥2.5 | ≥2.5 | ≥2.5 | ≥3 | ≥3 | ≥4 |
Number of Drive ICs (pcs) | 60 | 48 | 48 | 24 | 24 | 42 | 21 | 30 |
Number of Row Chips (pcs) | 20 | 8 | 16 | 8 | 8 | 16 | 7 | 6 |
Refresh Rate (Hz) | 3840 | 1920/3840 | 3840 | 3840 | 3840 | 1920/3840 | 1920/3840 | 1920/3840 |
Viewing Angle | Horizontal 140±10° Vertical 130±10° | Horizontal 140±10° Vertical 130±10° | Horizontal 140±10° Vertical 130±10° | Horizontal 140±10° Vertical 130±10° | Horizontal 140±10° Vertical 130±10° | Horizontal 140±10° Vertical 130±10° | Horizontal 140±10° Vertical 130±10° | Horizontal 140±10° Vertical 130±10° |
Gray Level (Bit) | 12-14bit | 12-14bit | 12-14bit | 12-14bit | 12-14bit | 12-14bit | 12-14bit | 12-14bit |
Related LED Screen Solutions & Blogs





How to choose the appropriate pixel pitch for indoor full color LED displays?
The pixel pitch is a crucial parameter when selecting an indoor full color LED display, as it directly affects the display quality, viewing comfort, and overall cost. So, how should one choose the appropriate pixel pitch based on actual needs?
1. Viewing Distance
The viewing distance is a key factor in determining the pixel pitch of an LED display. Generally speaking, the smaller the pixel pitch, the closer the suitable viewing distance; on the contrary, the larger the pixel pitch, the farther the suitable viewing distance. For the best visual effect, it is recommended that the viewing distance be 3 to 6 times the pixel pitch. A simple calculation method is:
Optimal Viewing Distance ≈ Pixel Pitch (mm) × 3
If the audience is too close to the screen, a larger pixel pitch may cause the image to appear blurry, with visible pixel dots, thus affecting the viewing experience. Therefore, selecting the appropriate pixel pitch is essential to ensure image clarity and improve viewing comfort.

2. Display Quality
The display quality directly influences the viewer’s visual experience, especially for indoor full-color LED displays. If the display is primarily used for high-definition images or videos, a smaller pixel pitch provides more detailed and clearer images, suitable for close-range viewing. However, if the screen is mainly used to display text, slogans, or simple graphics, a larger pixel pitch (e.g., P4 or P6) can fulfill the requirements while effectively reducing costs.
3. Application Scenario
The requirements for pixel pitch vary depending on the application scenario, and the selection of the indoor full-color LED display should be customized accordingly. For instance, in conference rooms and high-end commercial spaces, high resolution and clarity are essential for clearly displaying text, charts, and multimedia content. In such cases, it is recommended to choose small-pitch LEDs (P1.2 to P2.0). For commercial advertising screens and display screens in shopping malls, where the audience is typically farther away, pixel pitches of P2.5 to P4.0 are suitable. For stage and performance backdrop screens, where the viewing distance is relatively large and high resolution is not as critical, pixel pitches of P4.0 and above are typically used.
4. Budget Constraints
The budget is another critical factor in choosing an LED display. The cost of small-pitch LED displays increases significantly as the pixel pitch decreases, including production costs, control systems, and installation fees. For users with limited budgets but seeking high-definition display, choosing an appropriate pixel pitch can help balance costs. For example, at a viewing distance of 2-3 meters, a P2.5 may be more cost-effective than P2.0 while meeting most usage requirements.
By making informed decisions and conducting a reasonable selection, you can find the ideal LED display solution that meets your needs while controlling costs, offering the best return on investment for your project. If you are uncertain or confused when selecting the pixel pitch, feel free to contact our professional team. With our extensive experience, we can provide tailored advice based on your specific requirements, such as venue, budget, and usage scenario, helping you make the most suitable choice.