Content last revised on January 23, 2026
Sharp LQ10D131: 10.4-inch VGA TFT-LCD for Industrial Control Systems
Introduction: Core Specifications and Engineering Value
Engineered for clear and reliable visualization in demanding environments, the Sharp LQ10D131 is a 10.4-inch Color TFT-LCD Module delivering robust performance for industrial applications. This display provides a streamlined integration path for Human Machine Interface (HMI) systems through its standard VGA resolution and parallel interface. Featuring key specifications of 10.4" Diagonal | 640x480 VGA Resolution | 262k Color Depth, its design delivers two primary engineering benefits: simplified driver development and a predictable mechanical fit for long-term serviceability. As a direct replacement for many 10.4" VGA panels, it minimizes redesign efforts in legacy system support. For maintaining or developing straightforward industrial control panels, the LQ10D131's standard interface makes it a highly reliable and cost-effective display solution.
Key Parameter Overview
A Functional Breakdown for System Integration
The technical specifications of the Sharp LQ10D131 are tailored for straightforward integration into industrial equipment. The parameters are organized below by functional group to facilitate a rapid assessment by design engineers.
| Parameter Category | Specification | Detail / Value |
|---|---|---|
| Optical Characteristics | Display Type | a-Si TFT-LCD, Transmissive |
| Screen Size | 10.4 inch (26 cm) diagonal | |
| Resolution | 640(RGB) x 480 [VGA] | |
| Surface Treatment | Antiglare | |
| Brightness | 200 cd/m² (Typ.) | |
| Contrast Ratio | 300:1 (Typ.) | |
| Electrical Interface & Power | Signal Interface | Parallel RGB (1 ch, 6-bit) |
| Connector Type | 31 pins | |
| Logic Supply Voltage (VCC) | 3.3/5.0V (Typ.) | |
| Backlight System | 1 pc CCFL (Requires external inverter) | |
| Mechanical & Environmental | Outline Dimensions (W x H x D) | 246.5 x 179.4 x 11.0 mm |
| Active Area (W x H) | 211.2 x 158.4 mm | |
| Operating Temperature | 0 ~ 50 °C |
Download the LQ10D131 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
Enabling Cost-Effective Maintenance and Upgrades for Industrial Machinery
The primary value of the Sharp LQ10D131 lies in its ability to support the lifecycle of existing industrial infrastructure. Consider an engineering challenge involving the repair of an aging CNC milling machine. Its original operator console, a critical Human Machine Interface (HMI), has suffered a display failure. The machine's controller outputs a standard 6-bit parallel RGB signal at VGA resolution. The challenge is to source a replacement display that is both electrically compatible and mechanically a drop-in fit, thereby avoiding a costly and complex system overhaul which would involve replacing the main Programmable Logic Controller (PLC) and rewriting software.
The LQ10D131 directly addresses this scenario. Its native 640x480 resolution and standard parallel interface match the legacy controller's output perfectly, eliminating the need for signal conversion hardware or driver development. The defined mechanical outline allows for a straightforward physical replacement in the existing enclosure. By using the LQ10D131, an engineer can restore functionality quickly and cost-effectively, minimizing machine downtime and extending the operational life of valuable capital equipment. For systems requiring a more compact footprint, the LQ064V3DG06 offers similar integration principles in a 6.4-inch form factor.
Frequently Asked Questions (FAQ)
What is the key advantage of the 6-bit parallel RGB interface on the LQ10D131?
The primary advantage is design simplicity. This interface allows for direct connection to a wide range of microcontrollers and processors without the need for complex serializer/deserializer (SerDes) chipsets often required for LVDS interfaces. This simplifies PCB layout, reduces the bill of materials, and shortens development time, especially for systems that do not require high-definition resolutions.
Is a special controller required to drive this display?
No, a specialized or proprietary controller is not necessary. The LQ10D131 is designed to be driven by any graphics controller, FPGA, or microprocessor that can generate standard VGA (640x480) timing signals and a 6-bit parallel RGB data output. This adherence to industry standards is a core feature that ensures broad compatibility.
What external components are necessary to operate the LQ10D131?
To fully operate the module, you need two main external provisions: a stable power supply for the logic board (typically 3.3V or 5.0V) and a compatible CCFL inverter. The inverter is a separate module that takes a DC input and generates the high AC voltage required to power the cold-cathode fluorescent lamp that serves as the display's backlight.
Industry Insights & Strategic Advantage
Supporting Long-Term Equipment Viability with Standardized Components
In the industrial automation and manufacturing sectors, equipment is often expected to operate reliably for decades. This emphasis on longevity presents a significant challenge related to component obsolescence. The strategic advantage of a display like the Sharp LQ10D131 is its role in promoting sustainable and cost-effective legacy system support. Instead of forcing a complete and expensive system-wide upgrade when a display fails, the availability of form-fit-function compatible components enables targeted repairs.
This approach has a direct impact on the Total Cost of Ownership (TCO) for plant operators. By leveraging standardized components like the LQ10D131, businesses can extend the life of their machinery, protect their initial investment, and avoid the significant operational disruptions associated with installing and commissioning entirely new control systems. This makes the LQ10D131 not just a display, but a key enabler of long-term operational continuity.
Sourcing and Technical Inquiries
For inquiries regarding the LQ10D131 TFT-LCD module, including technical data to support your design review or to request a quote, please contact our technical sales team. We provide engineering-level support to help you verify component compatibility and facilitate your procurement process.