Content last revised on July 18, 2026
Tianma TM104SBH04 Industrial LCD Display Module
The Tianma TM104SBH04 simplifies industrial design by integrating a 4-wire resistive touch sensor directly onto a 10.4-inch display. Featuring a solid engineering profile, its primary specifications include: 10.4-inch | 800x600 (SVGA) | LVDS 6/8-bit | 260 cd/m².
By eliminating the need for a separate resistive touch overlay, this display helps designers reduce layout complexity. For compact HMI systems requiring integrated touch functionality and simple interface design, this 10.4-inch SVGA display is the optimal choice.
Key Parameter Overview
Optimizing Interface Design via Selectable 6-bit/8-bit LVDS Configurations
To assist with the selection and integration process, the table below compiles the verified parameters of the TM104SBH04 display module.
| Parameter Specification | Value / Rating | Engineering Value Highlight |
|---|---|---|
| Active Screen Size | 10.4-inch diagonal | Compact form factor for standard rack enclosures |
| Native Resolution | 800x600 (SVGA) | Classic 4:3 aspect ratio suited for legacy HMI layouts |
| Display Brightness | 260 cd/m² (Typical) | Suitable for indoor control rooms under ambient lighting |
| Contrast Ratio | 500:1 (Typical) | Delivers clear textual legibility for system schematics |
| Interface Type | LVDS (1-channel, 6-bit / 8-bit) | Toggles via hardware pin to simplify host processor interface |
| Input Voltage (VDD) | 3.3V (Typical) | Standard low-voltage logic power supply |
| Touch Panel Type | Integrated 4-wire Resistive (TSP) | Enables reliable touch input even when operators wear gloves |
| Operating Temperature (TOP) | -20°C to +70°C | Maintains liquid crystal response in cold start environments |
| Storage Temperature (TSTG) | -30°C to +80°C | Ensures component durability during long transit storage |
Download the TM104SBH04 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
Streamlining Assembly in Compact HMI Platforms
The TM104SBH04 display module is widely utilized in industrial human-machine interfaces, medical equipment monitors, and plant automation terminals. Its built-in touch sensor makes it excellent for spaces where an external touch layer would add too much thickness. This integration helps engineers maintain a thin enclosure profile without losing touch functionality.
For systems that require glove-friendly touch operations, a 4-wire resistive screen offers a major advantage. Unlike capacitive screens, resistive panels register physical pressure rather than electrical capacitance. This allows operators to control machinery safely and efficiently in challenging conditions.
Selecting display technologies involves balancing costs and performance, as discussed in the guide to TN vs IPS panels. While this model is ideal for standard 10.4-inch HMI slots, for designs that need wider viewing angles, alternative screens such as the G104AGE-L02 or the G104S1-L01 are often used.
Technical & Design Deep Dive
Understanding Touch Screen Integration and Signal Mapping
In high-noise industrial environments, maintaining signal integrity over the display interface is crucial. The TM104SBH04 utilizes a 20-pin LVDS interface with a 107A20-0021RA-G3-R matching connector. By using low-voltage differential signaling, it reduces electromagnetic interference (EMI) issues, which is helpful when routing cables near motor drives.
A key feature is the hardware pin SEL68, which lets designers change the color depth from 6-bit (262K colors) to 8-bit (16.7M colors). Configuring the LVDS bandwidth with the SEL68 pin is akin to adjusting a water valve. You can run it wide open for rich 8-bit color representation, or restrict it to 6-bit to conserve transmission power and reduce noise. This flexibility helps engineers reuse the display across different processor boards.
For deeper integration details, refer to the ultimate guide to TFT LCD modules. To manage power consumption in industrial HMI modules, it is important to analyze the efficiency of LED backlighting, covered in detail in LED backlight energy efficiency for HMIs. The backlight setup uses a 6S6P WLED arrangement, requiring an external driver connected via the 3808K-F05N-03R connector.
Luminance of 260 cd/m² is like a standard office task light. It provides sufficient illumination for typical indoor workspaces without blinding the operator. The contrast ratio of 500:1 ensures that system status charts and diagnostic text remain legible at standard viewing distances.
FAQ
Technical Clarifications for OEM Screen Integration
How does the SEL68 pin control color depth on the TM104SBH04?
Applying a High signal to the SEL68 pin configures the controller for 8-bit input (16.7M colors), while leaving it Low or NC selects 6-bit input (262K colors).
What is the matching connector for the backlight interface?
The backlight CN2 connector matches the 3808K-F05N-03R plug, requiring an external LED driver circuit.
What touch controller type is recommended for the integrated 4-wire resistive TSP?
Standard SPI or I2C resistive touch digitizers can interface directly with the FPC outputs of the integrated TSP.
Is the display surface treated to reduce glare in industrial environments?
Yes, the front polarizer is treated with an Anti-Glare hard coating (3H) to minimize ambient reflections.
What is the primary benefit of the integrated touch sensor? It reduces space requirements by eliminating external overlay layers.
How is color depth configured on this panel? Color depth is set to 6-bit or 8-bit using the SEL68 hardware pin.
Industrial HMI upgrades require displays with reliable product lifecycles and stable physical dimensions. The standard 4:3 ratio of the TM104SBH04 allows it to slide into legacy cutouts without necessitating sheet metal modifications. For forward-looking system platforms, maintaining electrical compatibility via standardized 20-pin LVDS setups secures long-term product availability.