Content last revised on October 26, 2025
M190EG01 V1: 19.0-inch SXGA Industrial LCD for Seamless System Integration
M2. Introduction & Key Highlights
Engineered for Compatibility and Visual Performance
The AUO M190EG01 V1 is a robust, integration-friendly display solution for legacy and new industrial systems, combining a classic 5:4 SXGA format with wide viewing angles for maximum application compatibility and operator clarity. This 19.0-inch a-Si TFT-LCD panel delivers precise performance with key specifications of 1280x1024 SXGA | 700:1 Contrast Ratio | 80/80/80/80 Viewing Angles. Its design offers two primary engineering benefits: seamless integration into existing 5:4 enclosures and excellent off-axis readability for dynamic operational environments. By retaining the traditional SXGA format, it eliminates the need for costly software GUI redesign and mechanical retrofitting often associated with widescreen upgrades. For industrial HMI or kiosk systems requiring a 5:4 aspect ratio, the M190EG01 V1 is the definitive choice for visual clarity and compatibility.
B3. Key Parameter Overview
A Specification Breakdown for Seamless System Integration
The technical specifications of the M190EG01 V1 are optimized for industrial environments where reliability and clear visual output are paramount. The parameters below are grouped by function to aid in engineering evaluation and system design.
| Display Characteristics | |
| Panel Size | 19.0 inch |
| Resolution | 1280(RGB)×1024, SXGA |
| Aspect Ratio | 5:4 (Width:Height) |
| Pixel Pitch | 0.294(H)×0.294(W) mm |
| Active Area | 376.32(H)×301.056(V) mm |
| Optical Performance | |
| Luminance | 300 cd/m² (Typ.) |
| Contrast Ratio | 700:1 (Typ.) |
| Viewing Angle | 80/80/80/80 (Typ.)(CR≥10) |
| Display Colors | 16.7M (6-bit + Hi-FRC) |
| Response Time | 8 (Typ.)(Tr+Td) ms |
| Surface Treatment | Antiglare, Hard coating (3H) |
| Interface & Backlight System | |
| Signal Interface | LVDS (2 ch, 8-bit), 30 pins Connector |
| Backlight Unit | 4 pcs CCFL |
| Input Voltage | 5.0V (Typ.) |
| Mechanical & Environmental | |
| Operating Temperature | 0 ~ 50 °C |
| Storage Temperature | -20 ~ 60 °C |
Download the M190EG01 V1 datasheet for detailed specifications and performance curves.
B2. Application Scenarios & Value
System-Level Benefits in Industrial and Public-Facing Displays
The M190EG01 V1 is an ideal component for applications prioritizing long-term availability and form-factor consistency. Its primary value lies in its ability to serve as a direct-fit solution for a range of specialized equipment, thereby preserving significant investments in existing infrastructure. What is the primary benefit of the M190EG01 V1's form factor? It enables direct replacement in legacy 5:4 systems.
Consider a legacy system upgrade for a manufacturing facility's Process Control Systems. Many of these systems were designed with Industrial HMI panels in a 5:4 aspect ratio. Replacing a failing display with a modern 16:9 widescreen panel would necessitate a complete redesign of the user interface software and the physical console housing. The M190EG01 V1, with its native 1280x1024 resolution and 5:4 format, acts as a drop-in replacement. This circumvents extensive re-engineering, saving hundreds of development hours and minimizing machine downtime. Furthermore, its wide viewing angles ensure that critical process data can be clearly monitored by operators from various positions on the factory floor.
- Industrial Automation: A reliable display for HMIs and machine control interfaces.
- Medical Equipment: Suitable for diagnostic displays that require the specific SXGA resolution and aspect ratio.
- Kiosks & ATMs: Provides a durable and readable user interface for public-facing transactional systems.
- Specialized Test & Measurement: Delivers clear, precise data visualization for laboratory and field instruments.
For applications requiring a more modern, energy-efficient LED backlight in the same form factor, the related G190ETN01.4 presents a compelling alternative for new designs.
B7. FAQ
Engineering Questions on Implementation and Performance
Why is the 5:4 aspect ratio of the M190EG01 V1 significant for industrial applications?
The 5:4 aspect ratio with SXGA resolution is a standard for many legacy industrial, medical, and kiosk systems. Using this display allows for direct replacement of older panels without costly and time-consuming modifications to software GUIs or mechanical enclosures, which is a key consideration for maximizing the lifespan of deployed equipment.
How do the 80/80/80/80 typical viewing angles impact usability in a real-world HMI?
These wide viewing angles ensure consistent image quality, color, and brightness from almost any direction. In an industrial setting, where an operator might be viewing a control panel while standing, moving, or from an off-center position, this prevents data misinterpretation and improves operational flexibility and safety. It ensures multiple personnel can view the screen simultaneously without color shift.
What is the significance of the CCFL backlight in this module's design and integration?
The Cold Cathode Fluorescent Lamp (CCFL) backlight was a standard technology for its time, known for stable and uniform illumination. For systems originally designed with CCFL-powered displays, the M190EG01 V1 offers direct compatibility with existing inverter and power supply designs, simplifying the repair and refurbishment process. Understanding this is key for a successful TFT-LCD integration.
B1. Technical Deep Dive
Dissecting the LVDS Interface and Optical Characteristics for Reliable Performance
A deeper analysis of the M190EG01 V1's specifications reveals design choices tailored for industrial reliability. The panel utilizes a dual-channel, 8-bit LVDS (Low-Voltage Differential Signaling) interface, a critical feature for maintaining signal integrity in electrically noisy environments common to factory floors. This interface reduces electromagnetic interference (EMI) and allows for longer cable runs between the display and the system controller compared to older TTL interfaces, simplifying system layout.
The optical performance is anchored by a typical contrast ratio of 700:1 and a luminance of 300 cd/m². Think of contrast ratio like the perceptual distance between the deepest black and brightest white a screen can produce. A 700:1 ratio means the brightest white is 700 times more luminous than the darkest black. This ensures that text, schematic lines, and numerical data are rendered with sharp definition, preventing the "washed-out" look that can lead to reading errors in critical applications. Combined with the anti-glare surface treatment, these optical characteristics from manufacturer AUO ensure the M190EG01 V1 delivers clear, unambiguous information under a variety of ambient lighting conditions.
Final Engineering Considerations
For system integrators and procurement specialists, the M190EG01 V1 represents a strategic choice for maintaining and extending the operational life of equipment built around the 19-inch, 5:4 form factor. Its blend of standard interfaces, robust optical performance, and proven design provides a reliable path for both repairs and new production runs. To discuss your specific application requirements, please contact our technical sales team for an engineering-level consultation on this component.