As the demand for high-resolution displays continues to grow in industrial, medical, and commercial applications, LCD technology is constantly evolving. Innolux M315DJJ-K31 is a 32.0’’ a-Si TFT-LCD display panel. It features a WLED backlight unit and a 51-pin interface using the 8-lane V-by-One high-speed data interface. This module supports UHD resolution up to 3840 × 2160 and can present rich visual effects with up to 1.073 billion colors.
Unlike some integrated display modules, the M315DJJ-K31 requires an external converter for its backlight driver, which provides greater flexibility for system design. This article aims to provide a detailed introduction to the basic features, advantages, limitations, and applicable fields of the M315DJJ-K31, helping engineers and system designers quickly understand the technical specifications and application potential of this module.
M315DJJ-K31 Technical Specs
We will cover the key technical specifications of the M315DJJ-K31 display module, including screen size, resolution, color depth, interface type, and other features. For more detailed information, please refer to the M315DJJ-K31 datasheet.
Parameter | Value |
Brand | |
Model | M315DJJ-K31 |
Size | 32" |
Composition | LCM |
Resolution | 3840(RGB)×2160, UHD 139PPI |
Luminance | 400 cd/m² (Typ.) |
Contrast Ratio | 3000 : 1 (Typ.) (TM) |
Viewangle | 89/89/89/89 |
Color Depth | 1.07B 98% DCI-P3 |
Light Source | WLED , 30K hours , No Driver |
Interface Type | V-by-One 8 lane , 51 pins Connector |
Pixel Format | RGB Vertical Stripe |
Active Area | 703.4(W)×397.85(H) mm |
Frame Rate | 60Hz |
Touchscreen | Without |
Voltage Supply | 12.0V (Typ.) |
Weight | 3.46±0.18Kgs |
Outline Size | 717.4(W)×413.85(H)×18.9(D) mm |
Max Ratings | Operating Temperature: 0 ~ 50 °C ; Storage Temperature: -20 ~ 85 °C |
Learn more details: M315DJJ-K31 Datasheet PDF
M315DJJ-K31 Functional Block Diagram
From the functional block diagram, it can be seen that the signal processing of the M315DJJ-K31 is centered around the V-by-One input interface. Differential data (RX0N–RX7P), control signals (HTPDN, LOCKN), power input (Vin), ground (GND), and no-connection pins (N.C.) from the external mainboard enter the module through the input connector. The V-by-One input signals are then sent to the Timing Controller, which organizes and distributes the image data, providing precise row and column control signals to the Scan Driver IC and Data Driver IC, thereby enabling line-by-line scanning and display on the TFT-LCD panel.
Regarding power and backlight management, the block diagram shows that the DC/DC Converter & Reference Voltage Generator converts the input Vin voltage to the operating voltages required by the panel and driver ICs while providing stable reference voltages. The backlight is driven by a separate Backlight Unit, with VLED and ILED controlling the backlight voltage and current, achieving uniform and adjustable brightness. Overall, the functional block diagram clearly demonstrates the modular design concept of the M315DJJ-K31 in terms of signal processing, power management, and display driving.
M315DJJ-K31: Advantages vs. Limitations
When choosing a high-resolution display, it is important to understand its core benefits and physical limitations. The M315DJJ-K31 offers exceptional performance, but it also has few technical limits. This section will analyze the pros and cons of this model from several perspectives to help you understand its performance in applications.
Advantages
The most prominent advantage of the M315DJJ-K31 is its 3840 × 2160 (UHD) ultra-high-definition resolution, which provides users with an exceptional 4K visual experience and color performance. At the same time, it features 1.073B (10-bit) color depth, which prevents the common color banding issues found in lower-bit panels. Additionally, the use of an 8-lane V-by-One high-speed interface ensures stable data transmission for large amounts of information and effectively reduces electromagnetic interference (EMI) by using fewer wires.
Limitations
Although this module has excellent display quality, its main limitation is the complexity of system integration. Unlike modules with built-in driver circuits, the M315DJJ-K31 requires an external converter for its backlight. This means system designers need to allocate extra space and design an independent power supply circuit.
M315DJJ-K31: High-Resolution Desktop Monitor Solutions
In the field of modern professional offices, 32 inches is widely considered the "golden size" for 4K resolution. The M315DJJ-K31 provides a 3840 × 2160 resolution with a pixel density of 139 PPI. This makes it perfect for handling complex Excel sheets, multi-window tasks, or writing code. For office workers who spend long hours in front of a screen, it effectively helps reduce eye fatigue.
Beyond basic office work, this panel also performs well in creative design. Thanks to its 10-bit (1.073 billion colors) display technology, it effectively solves the common problem of color banding in design work.
M315DJJ-K31: Reliable Industrial and Commercial Displays
On industrial production lines and in control rooms, display devices must not only be clear but also run stably. The M315DJJ-K31 uses a V-by-One interface designed for large data transmission. Its excellent anti-electromagnetic interference (EMI) features ensure that image signals remain stable, flicker-free, and undistorted, even in factories filled with motors and inverters.
In commercial applications, 32 inches is an ideal size for human-machine interaction. Whether it is displaying medical images in digital consultation rooms or serving as a touch interface for bank kiosks, the typical brightness of 350 cd/m² fits most indoor lighting environments.
M315DJJ-K31: Specialized Marine Displays
In the bridge and control rooms of ocean-going vessels, displays are critical for navigational safety. Recently, our M315DJJ-K31 was successfully integrated into a client’s marine computer display project. Given the complexity of open-sea navigation, equipment must withstand constant hull vibrations and harsh environments. Thanks to its stable structural design and excellent anti-interference capabilities, this panel ensures that radar charts and navigation data remain clearly visible in all types of extreme weather.
Furthermore, the 4K UHD resolution and high contrast of the M315DJJ-K31 allow crew members to quickly capture critical alerts under varying light conditions. This real-world application proves the module's durability and professional performance in demanding maritime settings.
M315DJJ-K31: Immersive Gaming and Entertainment Display
The M315DJJ-K31 has a native refresh rate of 60Hz. Although it is not a competitive e-sports screen, it has a natural advantage in immersive visual experiences. Its 3000:1 high contrast ratio far exceeds traditional IPS panels, making it great for playing 4K ultra-high-definition movies or beautiful console games.
For home entertainment users, the sense of immersion from a large screen is irreplaceable. This module supports wide viewing angles. Even if family members sit to the side of the screen, they can share a clear picture without obvious color shifts or loss of brightness. As a cost-effective 4K solution, it balances high image quality with a great multi-user viewing experience.
ANDE Electronics: Reliable LCD Display Solutions
As a professional display supplier, Ande Electronics is dedicated to providing high-quality LCD modules for modern industry. Our products, such as the M315DJJ-K31, are widely favored and have received numerous positive reviews.
Recently, a client selected the M315DJJ-K31 for a computer display of ocean-going vessels to deliver exceptional visual clarity during navigation. This 4K panel was successfully integrated into maritime technology, demonstrating Ande Electronics’ commitment to high quality and professional standards in every component we provide.
In addition to premium products, we offer expert technical support and flexible procurement options to meet your specific needs. Whether you are working on industrial, medical, or automotive projects, our engineering team can assist with module selection and system integration. Partnering with Ande Electronics gives you a reliable expert, dedicated to ensuring your project is efficient and successful.
