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Sharp PNLM431 AQUOS BOARD 43" Class Touch Display - 4K UHD - 20-Point IR Touch - ARM Cortex Octa-Core - 500 cd/m² - VESA Mount
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Product Features
Product Overview
The Sharp PN-LM431 AQUOS BOARD 43" Class Touch Display is a professional collaboration display engineered for modern meeting rooms and interactive workspaces. This unit combines a large 4K UHD screen with responsive 20-point infrared touch technology, enabling fluid digital whiteboarding, annotation, and team presentations.
Built around an ARM Cortex octa-core processor, the display delivers smooth performance for real-time collaboration applications. The integrated 20 W stereo audio system ensures clear sound for video conferences and multimedia content. With its ultra-narrow bezel and VESA mount compatibility, the PN-LM431 integrates cleanly into conference rooms, training centers, and corporate lobbies.
Relevant factors for this section include Viewable Screen Size, Screen Size Class, Display Screen Type, Touchscreen. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Technical Overview
This collaboration display features a 43" class TFT LCD panel with direct LED backlighting, producing a viewable area of 42.50" diagonally. The 4K UHD resolution (3840 x 2160) at a 16:9 aspect ratio delivers sharp detail for presentations, spreadsheets, and high-definition video. A brightness of 500 cd/m² and a 4,000:1 contrast ratio maintain visibility in various lighting conditions, supported by wide 178° viewing angles.
Touch interaction is handled by an infrared (IrDA) system that supports 20 simultaneous touch points, allowing multiple users to write, zoom, or navigate simultaneously. The processing platform uses an ARM Cortex A73 quad-core at 2.30 GHz paired with an ARM Cortex A53 quad-core at 2 GHz, providing ample compute power for collaborative software and smooth UI operation.
Relevant factors for this section include Viewable Screen Size, Screen Size Class, Display Screen Type, Touchscreen. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The PN-LM431 stands out as a dedicated collaboration display that merges high visual fidelity with robust interactive capabilities. Its combination of 4K clarity, multi-user touch, and integrated audio creates a ready-to-deploy solution for team-based environments.
Crisp 4K Visuals
The 4K UHD resolution ensures text, graphics, and video appear sharp and detailed, reducing eye strain during long sessions and improving readability from various room positions.
- 3840 x 2160 native resolution
- 500 cd/m² brightness for well-lit rooms
- 16:9 aspect ratio for standard content
Multi-User Touch Interface
Infrared touch technology supports 20 simultaneous touch points, enabling several participants to interact with the screen at once for brainstorming, diagramming, or navigating applications.
- Infrared (IrDA) touch system
- 20-point multi-touch support
- Low-latency response for writing and gestures
Meeting-Room Ready Connectivity
A comprehensive port selection includes HDMI, four USB ports, Ethernet, and serial, allowing connection to laptops, document cameras, room control systems, and network-based collaboration tools.
- HDMI for video input
- 4x USB ports for peripherals
- RJ-45 Ethernet for network connectivity
Deployment / Use Cases
This display is designed for environments where visual collaboration and interactive engagement are priorities. Its large screen size and touch capabilities make it suitable for conference rooms, training facilities, educational institutions, and corporate innovation hubs.
In meeting rooms, the PN-LM431 can serve as a central digital whiteboard for brainstorming sessions, allowing teams to sketch ideas, annotate documents, and save work digitally. For training or classrooms, the high-resolution display presents detailed instructional materials, while the touch interface lets instructors or students interact directly with content. In corporate lobbies or showrooms, the display can run interactive presentations or wayfinding applications, leveraging its bright screen and robust construction for continuous operation.
Physical Profile
The display features a slim profile with a depth of 2.90" and an ultra-narrow bezel measuring 0.59" wide, maximizing the screen area and reducing visual distraction. Dimensions are 39.13" wide by 22.90" high, with a weight of approximately 46.30 lb. The unit is VESA mount compatible (400 x 400 mm), offering flexibility for wall mounting, mobile stands, or integrated room furniture. The sturdy construction and ENERGY STAR 8.0 certification reflect its suitability for commercial installations with attention to energy efficiency.
- Width
- 0.59" (14.99 mm)
- Depth
- 2.90" (73.66 mm)
- Height
- 22.90" (581.66 mm)
- Weight
- 46.30 lb (21000 g)
Highlights
- 43" class TFT LCD with 4K UHD (3840 x 2160) resolution
- 20-point infrared (IrDA) multi-touch screen for collaborative interaction
- ARM Cortex octa-core processor (A73 2.30 GHz + A53 2 GHz)
- 500 cd/m² brightness and 4,000:1 contrast ratio for clear visibility
- Integrated 20 W RMS stereo speaker system
- Connectivity includes HDMI, 4x USB, Ethernet (RJ-45), and serial port
- VESA 400 x 400 mm mount compatible for flexible installation
- Ultra-narrow 0.59" bezel for a sleek, modern appearance
- ENERGY STAR 8.0 certified for energy-efficient operation
- Backed by a 3-year commercial limited warranty
Specifications
| Specifications | |
|---|---|
| Manufacturer | Sharp Electronics |
| Manufacturer Part Number | PNLM431 |
| Brand Name | Sharp |
| Product Line | AQUOS BOARD |
| Product Series | LM |
| Product Model | PN-LM431 |
| Product Name | PN-LM431 43" Class AQUOS BOARD Touch Display |
| Product Type | Collaboration Display |
| Display & Graphics | |
| Viewable Screen Size | 42.50" (1079.50 mm) |
| Screen Size Class | 43" (1092.20 mm) |
| Display Screen Type | LCD |
| Display Screen Technology | TFT LCD |
| Backlight Technology | Direct LED |
| Screen Mode | 4K UHD |
| Screen Resolution | 3840 x 2160 |
| Scan Format | 2160p |
| Aspect Ratio | 16:9 |
| Contrast Ratio | 4,000:1 |
| Brightness | 500 cd/m² |
| Horizontal Viewing Angle | 178° |
| Vertical Viewing Angle | 178° |
| Touchscreen Information | |
| Touchscreen | Yes |
| Multi-touch Screen | Yes |
| Number of Touch Points | 20 |
| Touchscreen Technology | Infrared (IrDA) |
| Processor & Chipset | |
| Processor Manufacturer | ARM |
| Processor Type | Cortex A73 |
| Processor Speed | 2.30 GHz |
| 2nd Processor Manufacturer | ARM |
| 2nd Processor Type | Cortex A53 |
| 2nd Processor Speed | 2 GHz |
| Audio | |
| Speakers | Yes |
| RMS Output Power | 20 W |
| Network & Communication | |
| Ethernet | Yes |
| Interfaces/Ports | |
| HDMI | Yes |
| Total Number of USB Ports | 4 |
| USB | Yes |
| Network (RJ-45) | Yes |
| Serial | Yes |
| Power Description | |
| Power Consumption | 230 W |
| Standby Power Consumption | 500 mW |
| Physical Characteristics | |
| VESA Mount Compatible | Yes |
| VESA Mount Standard | 400 x 400 |
| Bezel Width | 0.59" (14.99 mm) |
| Height | 22.90" (581.66 mm) |
| Width | 39.13" (993.90 mm) |
| Depth | 2.90" (73.66 mm) |
| Weight (Approximate) | 46.30 lb (21000 g) |
| Miscellaneous | |
| Energy Star | Yes |
| Energy Efficiency Certification | ENERGY STAR 8.0 |
| Warranty | |
| Limited Warranty | 3 Year |
User Manual
FAQ
What is the screen size and resolution of the Sharp PN-LM431 display?
The Sharp PN-LM431 is a 43" class collaboration display with a viewable screen size of 42.50" diagonally. It features a 4K Ultra HD resolution of 3840 x 2160 pixels, providing sharp detail for presentations, video conferencing, and digital whiteboarding. The 16:9 aspect ratio is standard for most content, and the direct LED backlit TFT LCD panel delivers consistent brightness across the screen.
How many touch points does this display support, and what technology is used?
This display supports 20 simultaneous touch points using infrared (IrDA) touch technology. The infrared system allows multiple users to interact with the screen at once for collaborative activities like writing, drawing, or navigating applications. It provides a responsive, low-latency touch experience suitable for interactive meetings and educational environments.
What processor powers the Sharp PN-LM431, and what are its capabilities?
The PN-LM431 is powered by an ARM Cortex octa-core processor configuration, combining a Cortex A73 quad-core running at 2.30 GHz with a Cortex A53 quad-core running at 2 GHz. This processor delivers sufficient performance for smooth operation of collaboration software, UI responsiveness, and handling multiple input sources, ensuring the display remains fluid during interactive sessions.
What audio features are included with this collaboration display?
The display includes a built-in stereo audio system with a total RMS output power of 20 watts. This integrated speaker setup provides clear sound for video conferences, multimedia presentations, and system notifications without requiring external speakers. The audio system is designed to cover typical meeting room sizes effectively.
Can the Sharp PN-LM431 be mounted on a wall or stand?
Yes, the PN-LM431 is VESA mount compatible with a 400 x 400 mm standard. This allows for flexible installation on wall mounts, mobile stands, or integrated into room furniture. The display's dimensions (39.13" wide, 22.90" high, 2.90" deep) and weight of approximately 46.30 lb make it manageable for standard commercial mounting solutions.
What connectivity options are available on this display?
The display offers a range of connectivity ports including HDMI for video input, four USB ports for peripherals like document cameras or storage devices, an RJ-45 Ethernet port for network connectivity, and a serial port for integration with control systems. These ports support connection to laptops, room PCs, and other collaboration tools commonly used in meeting environments.
| Qty | Price | Available |
|---|
