Content last revised on November 21, 2025
LQ150X1LGB1: 15.0-inch XGA TFT-LCD for Industrial Reliability
A High-Performance Display for Demanding Environments
The Sharp LQ150X1LGB1 is an industrially-hardened 15.0-inch XGA display, engineered for long-term reliability in legacy systems through its high-brightness panel and robust operational temperature range. Delivering exceptional visual clarity and proven performance, this module is a strategic component for maintaining and extending the life of critical equipment. For industrial HMIs requiring proven durability and a standard 4:3 aspect ratio, the LQ150X1LGB1 offers a dependable and readily integrated solution.
- Core Specifications: 15.0-inch | 1024x768 XGA | 600 cd/m² | 50,000hr CCFL Backlight
- Key Benefits: Excellent readability in high ambient light; Stable operation in industrial temperature ranges.
- Primary Application: Serves as a direct-fit replacement or upgrade for aging displays in industrial control panels and medical diagnostic equipment, minimizing system redesign.
Key Parameter Overview
Decoding the Specs for Industrial Performance and Longevity
The technical specifications of the LQ150X1LGB1 are tailored for applications where performance and durability are paramount. The combination of high brightness, a robust build, and a standard interface makes it a highly versatile display for both new designs and legacy system support.
| Feature | Specification | Engineering Value |
|---|---|---|
| Display Technology | a-Si TFT-LCD, TN, Normally White, Transmissive | Provides a cost-effective and responsive visual interface with proven technology. |
| Screen Size & Resolution | 15.0-inch, 1024(RGB)×768 [XGA] | Standard 4:3 aspect ratio and resolution for compatibility with a vast range of industrial software and HMI layouts. |
| Luminance (Brightness) | 600 cd/m² (Typ.) | Ensures excellent screen readability in brightly lit factory floors, control rooms, or outdoor-adjacent environments. |
| Contrast Ratio | 350:1 (Typ.) | Delivers clear differentiation between text, graphics, and background colors for at-a-glance information intake. |
| Viewing Angle | 60/60/45/55 (L/R/U/D) | Optimized for a primary operator viewing position, typical in fixed-mount control panels. |
| Signal Interface | LVDS (1 channel, 8-bit), 20-pin Connector | A widely adopted, low-noise interface that simplifies integration with industrial motherboards and single-board computers. |
| Backlight System | CCFL, 4 pcs, 50,000 hours (Min.) | The CCFL backlight provides a long operational life, reducing maintenance frequency and total cost of ownership. |
| Operating Temperature | 0°C to 60°C | Enables reliable performance in enclosed, non-climate-controlled industrial settings without requiring active cooling. |
| Storage Temperature | -30°C to 70°C | High tolerance for extreme temperatures during shipping and storage, ensuring component integrity upon deployment. |
Download the LQ150X1LGB1 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
System-Level Benefits in Industrial Automation and Medical Devices
The LQ150X1LGB1 is best suited for applications where clear, bright visuals and long-term operational stability are non-negotiable. Its specifications provide direct solutions to common engineering challenges in legacy and specialized equipment.
Consider an engineer tasked with repairing a 10-year-old CNC milling machine whose HMI has failed. The original display is no longer produced, and a complete system retrofit is cost-prohibitive. The LQ150X1LGB1 presents an ideal solution. Its standard 15-inch XGA form factor and common 20-pin LVDS Interface allow for a near drop-in replacement. The 600-nit brightness is often a significant upgrade over the original panel, improving operator visibility on the factory floor and reducing errors. This approach minimizes downtime, avoids expensive software and hardware redevelopment, and extends the valuable service life of the machine.
Key application areas include:
- Industrial HMI: Process control panels, factory automation interfaces, and machine tool controllers.
- Medical Equipment: Diagnostic imaging displays, patient monitoring systems, and laboratory instrumentation.
- Test & Measurement: Oscilloscopes, spectrum analyzers, and other specialized testing devices.
- Point-of-Sale (POS) & Kiosks: High-traffic information displays and transactional terminals requiring robust construction.
For new system designs where power efficiency and a slimmer profile are critical, designers may also evaluate modern LED-backlit alternatives. For instance, the G150XNE-L01 offers a comparable size and resolution but utilizes an LED backlight system.
Frequently Asked Questions (FAQ)
Engineering Insights into the LQ150X1LGB1
How does the 600 cd/m² brightness of the LQ150X1LGB1 benefit an industrial application?
A brightness of 600 cd/m² (or nits) ensures the display remains clearly visible even in environments with high ambient lighting, such as a factory floor with overhead fluorescent or skylights. This high luminance level improves the Contrast Ratio perceived by the human eye, making text, data, and warning indicators sharp and unambiguous, which is critical for operator safety and efficiency.
What is the significance of the CCFL backlight's 50,000-hour minimum lifetime?
A 50,000-hour lifetime translates to over 5.7 years of continuous 24/7 operation. For typical industrial equipment running 8-12 hours a day, this ensures the backlight will last for the intended service life of the machine itself. This metric is a key indicator for calculating the Total Cost of Ownership (TCO), as it minimizes the need for costly field replacements. Learn more about the differences in our guide to industrial vs. consumer displays.
Is an external inverter required for the CCFL backlight?
Yes. The datasheet indicates the module contains four CCFL tubes and requires an external inverter to provide the necessary high voltage (typically 625V) and operating frequency (typically 60 kHz) for illumination. This is a standard architecture for CCFL-based displays and allows for flexibility in inverter selection based on the system's power supply and control requirements.
Can this display be used in a system that will be stored in an unheated warehouse?
Absolutely. The LQ150X1LGB1 features a storage temperature range of -30°C to +70°C. This wide range ensures that the panel's physical and electrical integrity will not be compromised during transport or storage in extreme cold or hot environments, a critical reliability factor for global supply chains and field-deployed equipment.
Technical Deep Dive
Understanding the a-Si TFT and CCFL Backlight System
The core of the LQ150X1LGB1 is its amorphous silicon (a-Si TFT) active-matrix technology. This mature and highly reliable technology provides the pixel-switching foundation for the display. Think of the TFT layer as a microscopic grid of millions of switches, each one precisely controlling the amount of light that passes through its corresponding red, green, or blue sub-pixel. This architecture is renowned for its stability and consistent performance over long periods, making it a cornerstone of industrial-grade TFT-LCDs.
The illumination is provided by a Cold Cathode Fluorescent Lamp (CCFL) system. Unlike modern LED backlights which use point sources of light, the CCFL system uses four tubes positioned at the top and bottom edges. This light is then distributed evenly across the panel via a diffuser and light guide plate. The CCFL's power-to-brightness curve is highly linear and predictable, providing stable luminance across the display's wide operating temperature range—a crucial attribute for applications requiring consistent image quality.
Industry Insights & Strategic Advantage
The Role of Legacy Components in Modern MRO Strategies
In an industry focused on constant innovation, components like the Sharp LQ150X1LGB1 play a critical strategic role in extending the lifecycle of high-value capital assets. For many OEMs and system integrators, the primary challenge is not designing new systems but maintaining the operational readiness of a global installed base of equipment. The availability of form, fit, and function compatible displays like this one is essential for any MRO (Maintenance, Repair, and Operations) strategy.
Sourcing a proven component like the LQ150X1LGB1 avoids the significant engineering costs, validation cycles, and potential software compatibility issues associated with redesigning an HMI around a newer display technology. It allows maintenance teams to perform efficient, targeted repairs that restore equipment to its original certified performance, ensuring business continuity and maximizing return on original investments.
Strategic Component Sourcing
Ensuring Longevity for Industrial and Medical Systems
Integrating the LQ150X1LGB1 is a strategic decision for engineers focused on system longevity and supportability. Its adherence to standard physical and electrical interfaces, combined with a robust build quality, makes it a reliable component for extending the operational life of valuable industrial assets. For project managers and procurement specialists, securing a supply of such proven components is key to a successful long-term maintenance and repair strategy, ensuring that critical systems remain operational and effective for years to come.
