Sharp LM431 New
Multi-purpose for interactive engagements
For best-in-class touch performance and value, the Sharp LM series commands feature-rich professional capabilities for small meeting spaces and interactive signage applications. An integrated System on Chip (SoC) with Android 14 CTS-compliant Operating System offers the most up to date features and security for seamless out-of-the-box collaboration.
Boosting creativity in group collaboration, the Sharp LM series features intuitive Pen-on-Paper writing, a built-in whiteboard, annotation overlay mode and Windows Ink support. Using the on-board EShare app, content can be wirelessly shared from any personal device to the display without the need for apps or dongles. A single USB-C cable transmits data, video/audio output and power delivery between notebook and display for the simplest and seamless BYOD workflows.
With its 4-sided uniform slim bezel design, the Sharp LM series supports installations in both landscape and portrait as well as tilted desk. Dedicated features including hide side bars, application lock and a built-in web browser make the Sharp LM series the perfect display for budget-driven interactive signage applications.
For best-in-class touch performance and value, the Sharp LM series commands feature-rich professional capabilities for small meeting spaces and interactive signage applications. An integrated System on Chip (SoC) with Android 14 CTS-compliant Operating System offers the most up to date features and security for seamless out-of-the-box collaboration.
Boosting creativity in group collaboration, the Sharp LM series features intuitive Pen-on-Paper writing, a built-in whiteboard, annotation overlay mode and Windows Ink support. Using the on-board EShare app, content can be wirelessly shared from any personal device to the display without the need for apps or dongles. A single USB-C cable transmits data, video/audio output and power delivery between notebook and display for the simplest and seamless BYOD workflows.
With its 4-sided uniform slim bezel design, the Sharp LM series supports installations in both landscape and portrait as well as tilted desk. Dedicated features including hide side bars, application lock and a built-in web browser make the Sharp LM series the perfect display for budget-driven interactive signage applications.
Key features
- Best readability – high brightness panel ensures content is readable even in well-lit environments and anti-glare coating avoids distracting reflections.
- Pen-On-Paper user experience – Zero bonded glass and latest infrared touch technology enable highly accurate and responsive writing and drawing with up to 20 touch points.
- Out-of-the-box collaboration – the integrated Android PC features a powerful home screen launcher offering fast and flexible access to a range of pre-installed applications.
- Highly customizable – a variety of settings allow the display to be optimised to meet the needs of different applications, from small meeting and huddle rooms to touch signage and wayfinding.
- Safe & Secure – latest Android 14 SoC provides a secure operating system which, together with extra security features, meets the highest IT security standards.
Sharp LM431
For best-in-class touch performance and value, the Sharp LM series commands feature-rich professional capabilities for small meeting spaces and interactive signage applications.
Display Module Data
| Panel Technology | VA with Direct LED backlights |
| Native Resolution (Pixels) | 3840 x 2160 |
| Diagonal Size (inches / cm) | 43 / 108 |
| Aspect Ratio | 16:9 |
| Backlight Technology | LED |
| Brightness (cd/m2) | 500 |
| Contrast Ratio | 4000:1 |
| Response Time (grey to grey avg) ms | 8 |
| Viewing Angle (H/V)0 CR >10 | 178 / 178 |
| Colour Depth [bn] | 1.07 (8bit + FRC) |
Key Specifications
| Special Characteristics | CEC Support; HDMI ARC; NaViSet Administrator 2 - free download; OSD rotation for portrait mode; Powered USB Port (65 W); Scheduler |
| Operating Time | 18/7 |
| 24/7 Operation Certified | no |
| Local Dimming | no |
| Built in Speakers (W) | 10 W + 10 W |
| Computer Input - Plug and Play | yes |
| Power Management | yes |
| Fanless | no |
Touch Interface Specification
| Technology | Infrared |
| Number of Touch Points | 20 |
| Coating / Filter | Anti-glare coating |
| Screen Hardness (H) | 9 |
| Operating System Compatibility | Native Multi-Touch: Windows 10/11, Linux, Android, Chrome OS; Single Touch (Default Mouse): Mac OS 13/14/15 |
| Other | Thermal-tempered, anti-glare coating; Zero Bonding |
| Thickness [mm] | 3.1 |
| Haze Level [%] | 25 |
| Touch Method | Finger; Gloves; Stylus dual pen tip (2.6mm/6.8mm) |
| Data Interface | USB 2.0 (full speed) HID; USB powered, plug & play |
| Accuracy [mm] | +/- 1 |
| Windows Ink | Yes |
Power Supply and Operating Environment
| Operating Voltage(ACV) / Frequency(Hz) | 100-240 V AC; 50/60 Hz |
| Power Consumption (W) (Operating MAX) | 110 shipping |
| Operating Temperature (oC) | +5 to +35 |
| Humidity (%) | 20 to 80 |
| Power Savings Mode [W] | < 0.5 (ECO Standby); < 2 (Networked Standby) |
Weights and Measures
| Bezel Size (L/R) mm | 15 |
| Bezel Size (U/L) mm | 15 |
| Product Dimensions (W/H/D) mm | Without stand: 994 x 582 x 73 |
Installation
| Landscape | yes |
| Portrait | yes |
| Horizontal | no |
| Mounting (VESA/Number of Points/Pitch mm) | 400 x 400 |
| Other | Aluminum alloy (front side); metal (back side) |
Connectivity (Audio/Video) INPUT
| HDMI | 3 |
| USB-C | 1 |
| DisplayPort | 1 |
Connectivity (Audio/Video) OUTPUT
| HDMI | 1 |
| USB-C | 1 |
| Audio/Headphone 3.5mm Jack | 1 |
Connectivity (Control/Serial Data)
| RS232C IN | 1 |
| LAN Port | 1 |
| USB | 4 |
Accessories
| Shipping Contents | 2 x Passive Stylus; 2x AAA batteries; Blank Sticker; Bracket for Camera; Cable Clamps; Display; Power Cable; Remote Control; Setup Manual; USB cable; Wireless Adapter |
Sharp LM431
For best-in-class touch performance and value, the Sharp LM series commands feature-rich professional capabilities for small meeting spaces and interactive signage applications.
Software
Sharp Pen Software with Manuals
Version 3.8.2.20 For SHARP Touch Monitors only
17.06.2025
Sharp LM431
For best-in-class touch performance and value, the Sharp LM series commands feature-rich professional capabilities for small meeting spaces and interactive signage applications.
Brochure
Interactive Display Range Brochure
Range brochure for Interactive Displays
19.08.2021
Datasheet
Document of Conformity
Operational manuals
Parts guide
Service manuals