LQ104V1DW02: 10.4-inch VGA Display Engineered for Visual Consistency and Industrial Longevity
Content last revised on October 10, 2025.
Engineered for demanding industrial applications, the Sharp LQ104V1DW02 is a 10.4-inch a-Si TFT-LCD module that delivers consistent, high-quality visuals. This display provides a robust solution for environments where reliable performance and wide viewing angles are critical design requirements. With its combination of 640x480 VGA resolution, 380 cd/m² brightness, and a 450:1 contrast ratio, it ensures clear readability. Key benefits include exceptional off-axis viewing and a long-life CCFL backlight system. For system integrators needing a proven display technology that ensures consistent operator visibility from multiple perspectives, the LQ104V1DW02 offers a dependable foundation. What is the primary benefit of its ASV technology? Superior image quality with exceptionally wide and symmetrical viewing angles.
Key Parameter Overview
Decoding the Specs for Industrial HMI and Control Systems
The technical specifications of the LQ104V1DW02 are tailored for integration into industrial machinery, process control units, and specialized instrumentation. The display's electrical and optical characteristics provide the performance necessary for challenging operational environments.
| Feature Category | Specification | Engineering Value |
|---|---|---|
| Display Properties | 10.4-inch a-Si TFT-LCD, ASV, Normally Black | Provides deep blacks and high contrast; ASV (Advanced Super View) technology ensures wide, symmetrical viewing angles critical for multi-personnel interfaces. |
| Optical Performance | Resolution: 640(RGB)×480 [VGA]Brightness: 380 cd/m² (Typ.)Contrast Ratio: 450:1 (Typ.)Viewing Angle: 80°/80°/80°/80° (L/R/U/D) | Ensures clear, legible graphics and data. The symmetrical wide viewing angles are paramount for control panels where operators may not be directly in front of the screen. |
| Interface & Power | Signal Interface: Parallel RGB (1 ch, 6-bit)Supply Voltage: 3.3/5.0V (Typ.) (VCC) | Utilizes a standard Parallel RGB interface common in legacy and ongoing industrial designs, simplifying system integration. Flexible voltage input accommodates different system power rails. |
| Mechanical & Environmental | Active Area: 211.2 × 158.4 mmModule Size: 246.5 × 179.4 × 15.5 mmOperating Temperature: 0 ~ 70 °CStorage Temperature: -20 ~ 70 °C | Standard 4:3 aspect ratio and robust construction are suitable for panel mounting. The wide operating temperature range supports deployment in factory floors and non-climate-controlled settings. |
| Backlight System | Type: 2 pcs CCFL, Edge lightLamp Lifetime: 50,000 hours (Min.) | The long-life CCFL backlight provides a durable and field-proven illumination source, contributing to a lower total cost of ownership by minimizing maintenance cycles. |
Download the LQ104V1DW02 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
System-Level Benefits in Process Control and Medical HMIs
For systems where multiple operators must view a display from various angles without color shift or loss of contrast, the Sharp LQ104V1DW02 is an optimal choice. Consider a process control panel on a manufacturing floor. An operator might need to glance at system status from the side while adjusting machinery. The LQ104V1DW02's 80/80/80/80 typical viewing angles, enabled by its ASV (Advanced Super View) technology, ensure that the data presented is consistent and accurate regardless of the viewing position. This directly translates to reduced potential for human error and improved operational safety. The display's "Normally Black" mode further enhances this by delivering deeper black levels, which makes color-coded alarms and warnings stand out with greater clarity. This characteristic is particularly valuable in medical imaging devices and diagnostic equipment where subtle visual distinctions are critical. While the VGA resolution is suitable for many monitoring tasks, systems requiring higher data density for detailed schematics or charts may consider a panel like the NL10276BC24-21F, which offers XGA resolution in a similar form factor.
Frequently Asked Questions (FAQ)
What is the significance of the "ASV, Normally Black" display mode?
ASV (Advanced Super View) is a technology that provides exceptionally wide and symmetrical viewing angles, ensuring image consistency from off-axis positions. The "Normally Black" characteristic means pixels are dark in their off state, which results in deeper black levels and a higher perceived contrast ratio, making on-screen graphics appear more vibrant and defined.
How does the 50,000-hour backlight lifetime impact system design and total cost of ownership (TCO)?
A 50,000-hour minimum backlight lifetime is equivalent to over 5.7 years of continuous 24/7 operation. This high level of durability is a key factor for industrial and medical equipment with long service life requirements. It reduces the need for scheduled maintenance and backlight replacement, directly lowering the total cost of ownership and maximizing system uptime.
Is an external inverter required for the CCFL backlight?
Yes, the LQ104V1DW02's CCFL backlight system requires a separate inverter to provide the necessary high voltage for operation. The datasheet recommends specific inverter models and provides guidance on detector circuits to ensure reliable and safe lamp operation. This modular approach allows designers to select an inverter that best fits their system's specific power and control architecture.
Industry Insights & Strategic Advantage
Leveraging Proven Technology for Long-Term Product Stability
In an industry often focused on the latest resolution and interface standards, the Sharp LQ104V1DW02 provides a strategic advantage through stability and reliability. For manufacturers of industrial equipment, medical devices, and test instrumentation, product lifecycles can span a decade or more. The use of mature, well-understood technologies like a Parallel RGB interface and CCFL backlighting ensures a stable supply chain and predictable performance. This minimizes the risk of costly redesigns forced by the obsolescence of newer, less established components. By integrating a display like the LQ104V1DW02, engineering teams can focus on their core application development, confident in the visual interface's long-term availability and performance consistency. This approach aligns with a design philosophy that prioritizes operational reliability and total cost of ownership over chasing rapidly changing display trends, a crucial consideration for mission-critical systems. For more on display technologies, see this guide to TFT-LCDs in industrial applications or explore the innovations from leading manufacturers like Sharp.
A Strategic Perspective for System Longevity
For engineering and procurement leaders tasked with developing systems that require long-term market presence and field reliability, the LQ104V1DW02 represents a sound technological investment. Its adherence to proven interface standards and its robust environmental specifications provide a stable platform, insulating new designs from the volatility of the consumer display market. This focus on industrial-grade longevity ensures that the display component will not become a source of future supply chain disruption or premature end-of-life announcements, safeguarding the product's entire lifecycle.
