Content last revised on November 27, 2025
TX23D202VM0BAA: Engineering Grade 9.0-inch WXGA Display for Demanding Visual Applications
The KOE TX23D202VM0BAA is a 9.0-inch WVGA TFT-LCD engineered for exceptional visual performance and steadfast reliability in challenging operational environments. This display delivers a potent combination of key specifications: a **9.0-inch** diagonal size, **800x480** resolution, and a powerful **500 cd/m²** brightness. Its core engineering benefits include excellent image clarity under varied lighting and an extended operational temperature range. For HMI systems in industrial or mobile applications requiring unwavering clarity, this high-performance display is a strategically sound choice.
Application Scenarios & Value
Delivering System-Level Visual Integrity in Harsh Environments
For system designers, specifying a display that performs reliably across a wide range of environmental conditions is a critical task. The TX23D202VM0BAA directly addresses this challenge, making it a premier candidate for applications where temperature fluctuation and ambient light are significant factors. Its robust design is ideally suited for industrial Human Machine Interface (HMI) panels, agricultural vehicle dashboards, and marine electronic chart displays.
Consider the engineering scenario of an HMI panel on outdoor heavy machinery. The operator must have instantaneous, clear access to critical system data, regardless of direct sun or freezing temperatures. The TX23D202VM0BAA's wide operating temperature range of -30°C to 80°C ensures functional integrity from frigid starts to peak-heat operation. This characteristic minimizes the need for auxiliary heating or cooling systems, simplifying the overall mechanical design and reducing potential points of failure. The display's IPS technology provides consistent, wide viewing angles (85°/85°/85°/85°), a crucial feature for panels that may be viewed from off-axis positions. For systems that require a different form factor, the AA084VC03 offers a compact 8.4-inch alternative for more space-constrained applications.
Key Parameter Overview
A Specification Breakdown Highlighting Key Performance Metrics
The technical specifications of the TX23D202VM0BAA are optimized for industrial-grade performance. Each parameter is a deliberate engineering choice aimed at delivering reliability and high-quality visual output. The combination of its optical characteristics and environmental resilience makes it a versatile solution for a variety of demanding applications. Understanding these specifications is key to successful system integration.
| Parameter | Value |
| Manufacturer | KOE |
| Screen Size | 9.0 inch |
| Resolution | 800(RGB)x480 (WVGA) |
| Display Technology | IPS, Normally Black, Transmissive |
| Brightness | 500 cd/m² (Typ.) |
| Contrast Ratio | 1000:1 (Typ.) |
| Viewing Angle | 85/85/85/85 (L/R/U/D) |
| Operating Temperature | -30°C to 80°C |
| Storage Temperature | -40°C to 90°C |
| Signal Interface | LVDS (1 ch, 6/8-bit), 20 pins |
| Backlight | WLED, 100,000 Hours (Typ.), with included LED Driver |
Technical Deep Dive
An Engineering Analysis of the IPS Technology and Thermal Design
A closer look at the TX23D202VM0BAA reveals how its core technologies contribute to its superior performance. The use of IPS (In-Plane Switching) technology is a significant factor in its optical capabilities. Unlike traditional TN (Twisted Nematic) panels, where liquid crystals twist perpendicularly, IPS crystals align parallel to the screen's surface. This structural difference is what enables the exceptionally wide viewing angles of 85° in all directions, ensuring that colors and contrast remain true even when the display is viewed from a sharp angle. This is not just a convenience; in a control room or on a vehicle dashboard, it is a critical safety feature, allowing multiple operators to view the same data without misinterpretation.
The impressive operating temperature range is a direct result of meticulous thermal engineering. What is the primary benefit of its wide temperature range? Enhanced operational uptime in uncontrolled environments. Operating at 500 nits of brightness while withstanding temperatures up to 80°C requires efficient heat dissipation. The display's construction is designed to manage the thermal load generated by both the display electronics and the high-efficiency WLED backlight system. This robust thermal design is what guarantees the 100,000-hour rated lifespan of the backlight, contributing to a lower total cost of ownership by reducing maintenance cycles and replacement costs. For a deeper understanding of the display's data communication, an analysis of the LVDS Interface standard is highly recommended for design engineers.
Frequently Asked Questions
Addressing Key Engineering Questions for System Integration
What is the practical benefit of the -30°C to +80°C operating temperature range?
This extensive range allows the display to be deployed in non-climate-controlled environments, from outdoor kiosks and transportation systems exposed to winter conditions to industrial factory floors with high ambient heat. It eliminates the need for external heating or cooling components, which simplifies system design, reduces cost, and improves overall reliability by minimizing failure points.
How does the 500 cd/m² brightness level benefit my application?
A brightness of 500 cd/m² (or nits) provides excellent readability in bright indoor environments and shaded outdoor conditions. It ensures that on-screen information remains clear and legible, which is critical for user interfaces on factory equipment, medical devices, and control panels. This level of brightness is substantially higher than typical consumer displays, making it suitable for professional applications.
Is the WVGA (800x480) resolution sufficient for modern industrial graphical interfaces?
Yes, for a 9.0-inch display, the WVGA resolution provides a pixel density that is well-suited for displaying critical process data, status indicators, soft-key buttons, and diagnostic information with clarity. It is an ideal resolution for many HMI applications that prioritize legibility and performance over displaying fine-grained, high-density graphics, ensuring the system's processing resources are used efficiently. To see how display choices impact modern system design, read more about HMI and automation trends for 2024-2025.
What are the primary considerations for integrating this display via its LVDS interface?
The LVDS interface offers high-speed, low-noise data transmission, which is ideal for industrial environments. Key integration considerations include ensuring the host controller's LVDS transmitter is compatible with the display's 1-channel, 6/8-bit configuration. Proper impedance matching (typically 100 ohms) and careful routing of the differential pairs on the PCB are essential to maintain signal integrity and prevent EMI issues. The 3.3V power supply for the display must be stable and capable of handling the specified current draw.
Project Integration & Sourcing
For design engineers and procurement managers evaluating the KOE TX23D202VM0BAA for new or existing projects, our team can provide further technical documentation and sourcing support. We are equipped to assist with navigating the integration process and ensuring a stable supply chain for your production needs. Please contact our technical sales department to request a quotation or discuss your specific application requirements.
