Samsung LTM15C423 | Reliable XGA TFT-LCD for Legacy Industrial Systems
The Samsung LTM15C423 is a 15.0-inch TFT-LCD panel engineered for endurance and reliability in demanding industrial environments. While newer display technologies have emerged, the LTM15C423 remains a critical component for maintaining, repairing, and recertifying legacy equipment. Its proven performance and standard interface make it an invaluable asset for extending the lifecycle of systems where reliability is non-negotiable.
- Proven Industrial Workhorse: Built with Amorphous Silicon (a-Si) TFT technology, this panel is designed for long-term operational stability in industrial automation, medical, and test equipment.
- Standard XGA Resolution: The 1024 x 768 resolution provides crisp, clear visuals and ensures direct compatibility with a vast range of existing industrial controllers and HMI software, minimizing integration friction.
- Classic CCFL Backlight: Features a Cold Cathode Fluorescent Lamp (CCFL) backlight, essential for like-for-like replacement in systems originally certified with this technology.
- Robust LVDS Interface: Utilizes a standard 1-channel LVDS interface, offering excellent noise immunity crucial for deployment in electrically noisy factory floor settings.
Key Technical Specifications
The following parameters highlight the core capabilities of the LTM15C423, making it a dependable choice for specific industrial applications. For complete details, you can download the LTM15C423 datasheet.
| Parameter | Value |
|---|---|
| Screen Size | 15.0 inch |
| Resolution | 1024(RGB)×768, XGA |
| Technology | a-Si TFT-LCD |
| Brightness | 250 cd/m² (Typ.) |
| Contrast Ratio | 300:1 (Typ.) |
| Viewing Angle | 60/60/45/45 (L/R/U/D) |
| Response Time | 25ms (Typ.) |
| Interface Type | 1 channel LVDS, 20 pins |
| Operating Temperature | 0 ~ 50 °C |
Application Scenarios & Value Proposition
The true value of the Samsung LTM15C423 lies in its ability to solve specific engineering challenges, particularly in the context of legacy system support.
- Industrial Automation & HMI Panels: For manufacturing lines running on older controllers, this panel serves as a direct drop-in replacement. Upgrading the entire HMI system can be prohibitively expensive and require extensive software re-validation. The LTM15C423 offers a cost-effective path to repair, ensuring minimal downtime and preserving the integrity of the original system design.
- Medical Diagnostic Equipment: Many pieces of non-critical diagnostic equipment were designed and certified with specific display components. The LTM15C423's stable performance and consistent color representation make it an ideal service part, ensuring that repaired units continue to meet their original performance benchmarks without requiring costly recertification.
- Test and Measurement Instruments: Instruments like oscilloscopes, spectrum analyzers, and network analyzers often have a service life exceeding a decade. The standard XGA format and robust LVDS Interface of the LTM15C423 ensure seamless integration, maintaining the functionality of these high-value assets.
Frequently Asked Questions for the LTM15C423
As a seasoned component, the LTM15C423 often raises specific questions for design and maintenance engineers. Here are some expert answers.
1. Is the CCFL backlight still a viable option today?
While LED backlights are the modern standard for new designs due to their higher energy efficiency, the CCFL in the LTM15C423 is a critical feature for legacy support. For systems that were designed and certified with a CCFL and its associated inverter, a like-for-like replacement is often the simplest—and sometimes only—path to a certified repair. This avoids the electrical and mechanical redesign that a full LED backlight conversion would require.
2. What are the main challenges when integrating this panel?
The primary considerations are ensuring your display controller or single-board computer has a compatible 1-channel, 20-pin LVDS output. Additionally, you must account for the power requirements of the external CCFL inverter, which requires a specific high-voltage AC supply. Careful planning around the power supply and cabling is essential for reliable operation.
3. How can we ensure a stable supply for long-term maintenance projects?
Sourcing legacy components like the Samsung LTM15C423 requires a specialized supply chain partner. We focus on securing and stocking these vital industrial LCD displays to support the long-term lifecycle of your equipment. If you are planning for future maintenance needs or require assistance in cross-referencing a compatible alternative, please contact our technical team for expert consultation.
