Content last revised on November 19, 2025
LB104S01-TJ02: Engineering Analysis of a 10.4" SVGA Industrial TFT-LCD
A Proven Display Solution for Long-Lifecycle Industrial Systems
Engineered for durability and seamless integration, the LB104S01-TJ02 is a benchmark 10.4-inch SVGA display for long-lifecycle industrial, medical, and process control systems. This a-Si TFT-LCD panel delivers consistent, reliable performance backed by a robust design. Its specification prioritizes operational stability in demanding environments over headline features, making it a trusted component for critical applications. Best fit for maintaining or upgrading legacy industrial HMIs requiring a durable 800x600 display with a standard LVDS interface.
Key Parameter Overview
Decoding the Specs for System Integration and Reliability
The technical specifications of the LB104S01-TJ02 are tailored for straightforward implementation into industrial equipment. Each parameter reflects a design choice favoring stability and compatibility, crucial for engineers managing long-term product availability and performance. What is the benefit of its conventional CCFL backlight? It provides a known performance and reliability profile, simplifying design validation for legacy systems.
| Specification | Engineering Value & Interpretation |
|---|---|
| Display Technology | a-Si TFT-LCD, TN, Normally White. This established technology provides predictable optical performance and is a cost-effective solution for displaying standard HMI graphics and system data. |
| Resolution & Size | 800x600 (SVGA) on a 10.4-inch diagonal active area. This 4:3 aspect ratio is a common standard in industrial automation, ensuring compatibility with legacy software and GUIs without requiring scaling or redevelopment. |
| Luminance & Contrast | 230 cd/m² (nits) and a 250:1 contrast ratio. While modern displays offer higher values, this level is engineered for clear readability in typical indoor industrial and control room lighting conditions. The anti-glare surface treatment is critical here, as it mitigates reflections from overhead lighting. |
| Interface | LVDS (Low Voltage Differential Signaling), 1 channel, 6-bit. This is the workhorse interface for industrial embedded systems. Its low EMI profile and widespread adoption on single-board computers (SBCs) simplify the electrical integration process. |
| Operating Temperature | -10°C to +70°C. This wide operational range is a key differentiator from consumer-grade panels. It allows the display to function reliably in non-climate-controlled environments, such as factory floors, warehouses, or enclosed kiosks. |
| Backlight System | Single CCFL with a typical lifetime of 20,000 hours. The CCFL backlight requires an external inverter, a mature technology well understood by system designers. Its performance is stable across the operating temperature range. |
Download the datasheet for detailed specifications and performance curves.
Application Scenarios & Value
System-Level Benefits in Industrial HMI and Control Systems
The LB104S01-TJ02 is purpose-built for applications where reliability and long-term availability are paramount. Its design choices directly address the challenges faced by engineers developing and maintaining industrial Human-Machine Interfaces (HMIs), process control terminals, and medical diagnostic equipment. For systems that need to display standard operational data with clarity and consistency for years, this panel is an excellent fit.
Consider the specific challenge of upgrading a fleet of aging CNC machines. The original displays may be failing, but a complete control system overhaul is cost-prohibitive. The LB104S01-TJ02's standard SVGA resolution and 20-pin LVDS Interface serve as a near drop-in replacement. This compatibility minimizes engineering effort; the existing single-board computer and software can often drive the new panel without modification, drastically reducing validation time and deployment cost. The panel's ability to operate reliably up to 70°C means it can be installed in the same passively cooled enclosures without risking thermal failure. For applications requiring higher brightness in a similar form factor, the related G104S1-L01 offers 400 nits of luminance.
Technical Deep Dive
Understanding the a-Si TFT and CCFL Backlight System
The core of the LB104S01-TJ02 is its Amorphous Silicon (a-Si) TFT-LCD technology. Think of the a-Si TFT layer as a massive grid of microscopic switches, one for each sub-pixel. This grid is highly reliable and cost-effective to manufacture, which contributed to its widespread adoption in industrial displays. While newer technologies like LTPS offer higher electron mobility for faster response times, the a-Si foundation is more than sufficient for the typical refresh rates of industrial GUIs and status screens.
The illumination is provided by a Cold Cathode Fluorescent Lamp (CCFL). This is analogous to a miniature, high-efficiency fluorescent light tube running along one edge of the display, with its light distributed evenly across the screen by a diffuser panel. A key engineering consideration is that CCFLs require an external inverter to generate the high voltage needed for operation. While modern displays have transitioned to LED backlights, the CCFL system in the LB104S01-TJ02 offers a very stable color temperature and brightness profile over its operational life, a critical factor for applications where consistent visual output is required for quality control or medical imaging.
Frequently Asked Questions (FAQ)
What are the primary considerations when integrating the LB104S01-TJ02 into a legacy system?
The two main points are the interface and the backlight power supply. You must ensure your controller board has a compatible 1-channel, 6-bit LVDS output. Additionally, you will need a separate inverter to power the CCFL backlight, which requires a specific voltage and current from your system's power supply.
How does the anti-glare (AG) surface treatment benefit industrial applications?
The AG coating diffuses ambient light, reducing specular reflections from overhead lighting common in factories or labs. This significantly improves readability and reduces operator eye strain, which is crucial for HMIs that are monitored for extended periods.
What is the engineering implication of a 20,000-hour backlight lifetime?
A 20,000-hour rating translates to approximately 2.2 years of continuous 24/7 operation before the backlight reaches 50% of its initial brightness. In typical 8-hour per day industrial shifts, this provides a multi-year operational life, aligning with the maintenance cycles of industrial machinery. It's a key metric for calculating the Total Cost of Ownership (TCO), a topic explored in our guide to industrial vs. consumer displays.
Is the TN (Twisted Nematic) panel technology a limitation?
While IPS panels offer wider viewing angles, TN technology provides faster response times, which can be beneficial for reducing motion blur on simple animations or scrolling text. For a fixed-mount HMI where the operator is typically positioned directly in front of the screen, the viewing angles are more than adequate. The choice of TN is a deliberate engineering trade-off favoring cost-effectiveness and speed for its intended applications.
Can this display be used in a portrait mode orientation?
Yes, but it's important to consider the specified viewing angles. The optimal viewing angles are typically quoted for landscape orientation. When rotated 90 degrees, the horizontal viewing angle becomes the vertical one, and vice-versa. For applications requiring good off-axis viewing in portrait mode, it is essential to test the panel in the final enclosure to ensure readability meets system requirements.
From an engineering standpoint, the LB104S01-TJ02 represents a stable and predictable platform. Its value lies not in cutting-edge specifications, but in its proven design, standard interfaces, and robust construction, providing a low-risk, integration-ready solution for maintaining the operational backbone of industrial and embedded systems.