Content last revised on January 4, 2026
TM121SDSG05-60 by Tianma: A Robust SVGA Display for Demanding Environments
The Tianma TM121SDSG05-60 is an a-Si TFT-LCD module engineered for applications demanding consistent visual clarity and operational stability under fluctuating environmental conditions. It delivers a combination of 800x600 SVGA resolution, a typical brightness of 350 nits, and a robust operational temperature range. Key benefits include a long-life WLED backlight system and a standard LVDS interface for straightforward system integration. This display directly addresses the need for a durable, reliable visual interface in specialized industrial equipment. For industrial HMIs requiring dependable performance across a wide thermal spectrum, this display's broad operating temperature range provides a critical design advantage.
Key Parameter Overview
Decoding the Specs for Environmental Reliability
The technical specifications of the TM121SDSG05-60 underscore its suitability for industrial applications where performance cannot be compromised by environmental factors. Its wide operating temperature is a cornerstone of its design, ensuring functionality in both controlled and uncontrolled settings. A typical brightness of 350 cd/m² combined with a 700:1 contrast ratio ensures legible and clear content delivery. The integrated WLED backlight system is rated for a 30,000-hour lifespan, contributing to a lower total cost of ownership by minimizing maintenance cycles.
| Feature | Specification |
|---|---|
| Display Characteristics | |
| Screen Size | 12.1-inch |
| Resolution | 800(RGB)×600 (SVGA) |
| Panel Technology | a-Si TFT-LCD, TN, Normally White, Transmissive |
| Active Area | 246.0(H) × 184.5(V) mm |
| Optical Performance | |
| Brightness | 350 cd/m² (Typ.) |
| Contrast Ratio | 700:1 (Typ.) |
| Viewing Angle (L/R/U/D) | 80/80/65/75 (Typ., CR≥10) |
| Display Colors | 262K / 16.7M (6-bit / 8-bit) |
| Electrical Interface & Backlight | |
| Signal Interface | LVDS (1 ch, 6/8-bit), 20 pins |
| Supply Voltage | 3.3V (Typ.) |
| Backlight | WLED with integrated LED Driver |
| Backlight Lifetime | 30,000 hours (Min.) |
| Mechanical & Environmental | |
| Outline Dimensions | 279.0(W) × 209.0(H) × 9.0(D) mm |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
Application Scenarios & Value
System-Level Benefits in Industrial HMI and Control Systems
The TM121SDSG05-60 is engineered for integration into systems where operational resilience is paramount. Its standout feature, a wide operating temperature range of -20°C to +70°C, makes it a prime candidate for Human-Machine Interfaces (HMIs) and control panels in environments lacking climate control. This includes applications like factory floor automation, unheated warehouses, and certain in-vehicle systems. The 12.1-inch diagonal size and SVGA 800x600 resolution provide a sufficient viewing area for displaying critical operational data, status indicators, and control menus without overwhelming the physical design of the equipment. Imagine a control panel on a manufacturing line; the display's ability to function reliably from a cold start in the morning to the peak heat of the afternoon shift prevents downtime and ensures consistent operator interaction.
The standardized LVDS interface simplifies the electrical integration process, a key consideration for OEM engineers looking to streamline development and production. This common interface allows for easier pairing with a wide range of single-board computers and custom controller boards prevalent in industrial automation. While the TM121SDSG05-60 is ideal for applications where SVGA resolution is sufficient, for systems requiring higher data density in a similar form factor, the G121XCE-L01 presents an alternative with XGA resolution. Ultimately, the robust thermal design of this display is a critical factor for ensuring long-term reliability in many industrial display systems.
Frequently Asked Questions (FAQ)
What is the primary benefit of the -20°C to +70°C operating temperature range for system design?
This wide temperature range allows the TM121SDSG05-60 to be deployed in environments without dedicated heating or cooling, significantly simplifying the thermal management design of the end product. It ensures reliable screen performance in applications ranging from cold storage facilities to enclosed, heat-generating industrial cabinets, reducing the need for costly and complex environmental hardware.
How does the integrated WLED driver simplify the integration process?
The inclusion of an integrated LED driver means that engineers do not need to source and qualify a separate driver board for the backlight. This reduces the bill of materials (BOM), saves physical space within the enclosure, and simplifies the power delivery design, as the display assembly can be powered with a standard voltage input for the backlight, typically 12.0V.
To further explore the integration of high-reliability displays in demanding applications, consider resources on engineering for extreme environments. For a foundational understanding of the underlying technology, an overview of TFT-LCD technology can provide valuable context.
For inquiries regarding procurement or to evaluate this display for your project, please contact our technical sales team for assistance.
