Interactive Display

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.

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.

Interactive Display

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

Interactive Display

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

Datasheet LM431 EU

05.06.2025

Document of Conformity

UKCA DoC

CF-943AX / COMFAST Wireless Adapter

03.06.2025

CE DoC

CF-943AX / COMFAST Wireless Adapter

03.06.2025

UKCA DoC LM431

PN-LM431 (LM431)

30.05.2025

CE DoC LM431

PN-LM431 (LM431)

30.05.2025