LG LP064V1

Content last revised on October 27, 2025.

LP064V1: A 6.4-inch VGA TFT-LCD Engineered for Direct System Integration

Streamlining Embedded HMI and Instrumentation Design

The LP064V1 is a 6.4-inch a-Si TFT-LCD panel engineered for straightforward integration into industrial and medical systems. It delivers proven performance with its 640x480 VGA resolution and a direct-drive Parallel RGB interface, minimizing hardware and software complexity. Key specifications include: 6.4” Diagonal | 640x480 Resolution | 200 cd/m² Brightness. This design provides two primary engineering benefits: simplified driver development and reduced BOM complexity. For OEM engineers developing or maintaining systems built around VGA-native controllers, the LP064V1 offers a direct and reliable display solution without the need for signal conversion overhead. With its established interface standard and compact form factor, the LP064V1 is an optimal choice for cost-sensitive portable instrumentation and embedded HMI applications.

Key Parameter Overview

Decoding the Specs for System Compatibility

The technical specifications of the LP064V1 are tailored for embedded applications where compatibility and design simplicity are paramount. The parameters below detail the optical and electrical characteristics that define its performance envelope.

Download the LP064V1 datasheet for detailed specifications and performance curves.

Application Scenarios & Value

Achieving System-Level Benefits in Embedded Display Systems

The LP064V1 is particularly effective in applications where seamless integration with existing processing platforms is a primary design constraint. What is the primary benefit of its direct-drive interface? It enables a significant reduction in development time and hardware cost.

Consider the engineering challenge of designing a portable diagnostic tool or a machine controller HMI. Many cost-effective microcontrollers and single-board computers (SBCs) feature a native Parallel RGB output. Using a display with a more complex interface like LVDS would necessitate a separate transmitter chip on the controller board and a receiver on the display side, increasing both the bill of materials (BOM) and printed circuit board (PCB) complexity. The LP064V1's Parallel RGB interface eliminates this need entirely. This is analogous to having a universal plug that fits directly into the wall socket, versus needing a bulky travel adapter; the connection is more direct, reliable, and cost-efficient. This makes the panel an excellent fit for test and measurement equipment, factory automation controls, and medical monitoring devices where development cycles are tight and system cost is a key consideration. For systems that require a similar form factor but are based on different interface standards, the related LQ064V3DG06 provides alternative integration options.

Technical Deep Dive

Implications of the Parallel RGB Interface for System Architecture

The choice of a display interface has significant downstream effects on system architecture, software development, and even electromagnetic interference (EMI) performance. The LP064V1 utilizes a Parallel RGB (1 channel, 6-bit) interface, a foundational technology in TFT-LCD design that offers distinct advantages in specific contexts. This interface transmits color data for each pixel simultaneously over a set of parallel data lines (6 lines for red, 6 for green, 6 for blue) along with timing signals like dot clock, horizontal sync, and vertical sync.

The primary architectural benefit is the direct mapping to the framebuffer of a graphics controller. This directness simplifies driver development to its core, as the software's main task is to manage the framebuffer memory and timing signals, without the overhead of packetizing and serializing data. This can lead to lower latency, as there is minimal processing between the graphics memory and the display driver. Think of it as a multi-lane, local road directly connecting a factory to a warehouse. While not as fast over long distances as a high-speed railway (like an LVDS Interface), it is exceptionally efficient for short-haul, point-to-point transport with no complex loading or unloading procedures. For the embedded systems where the LP064V1 excels, this "short-haul" efficiency translates into faster time-to-market and a more straightforward hardware design.

Frequently Asked Questions (FAQ)

What are the main considerations when designing a system with the LP064V1's CCFL backlight?

The Cold Cathode Fluorescent Lamp (CCFL) backlight requires a dedicated high-voltage inverter to operate, which must be accounted for in the system's power budget and PCB layout. Designers should allocate space for the inverter and pay close attention to the high-voltage traces to mitigate potential noise and ensure electrical safety. Additionally, CCFL brightness has a defined operational lifetime, which should be factored into the product's overall reliability and maintenance plan, a key topic covered in guides on industrial display longevity.

How does the 6-bit color depth of the Parallel RGB interface impact visual performance?

A 6-bit color depth provides 262,144 distinct colors (2^18), which is sufficient for most industrial HMI applications, including status indicators, simple graphics, and text. While it does not offer the nuanced gradients of 8-bit (16.7 million colors) panels, it reduces the data bandwidth required between the controller and the display. This lower bandwidth requirement can lead to simpler PCB routing and potentially lower EMI, which is a critical factor in sensitive medical or measurement equipment.

System Integration and Design Support

Enabling Rapid Prototyping and Production

For engineering teams aiming to accelerate their design cycle, the LP064V1 presents a clear path. Its use of industry-standard VGA resolution and a well-documented parallel interface ensures that designers can leverage a wide array of existing development tools, reference designs, and software libraries. This compatibility minimizes the steep learning curve often associated with proprietary or newer, more complex display technologies. When embarking on a new industrial HMI design, selecting components with robust, established interfaces like that of the LP064V1 can significantly de-risk the project schedule and budget. For further technical inquiries regarding driver compatibility or mechanical integration, our team can facilitate access to the necessary documentation to support your design process.