Sharp LM431 Interactive flat panel 109.2 cm (43") LED Wi-Fi 500 cd/m² 4K Ultra HD Black Touchscreen Built-in processor Android 14 18/7
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Key specs
- Panel typeVA
- Display diagonal109.2 cm (43")
- Display resolution3840 x 2160 pixels
- Response time8 ms
- Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
- Processor modelCortex-A53
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Overview
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.
Specifications
Display
| LED backlight | Yes |
|---|---|
| Panel type | VA |
| Display number of colours | 1.07 billion colours |
| Number of simultaneous touchpoints | 20 |
| LED backlighting type | Direct-LED |
| Touchscreen | Yes |
| Display technology | LED |
| Display diagonal | 109.2 cm (43") |
| Display resolution | 3840 x 2160 pixels |
| Display brightness | 500 cd/m² |
| HD type | 4K Ultra HD |
| Response time | 8 ms |
| Contrast ratio (typical) | 4000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display diagonal (metric) | 108 cm |
| Vertical scan range | 24 - 70 Hz |
| Native aspect ratio | 16:9 |
| Horizontal scan range | 31.5 - 135 kHz |
| Touchscreen technology | Infrared |
| Native refresh rate | 60 Hz |
| Haze rate | 25% |
| Multi-touch | Yes |
Ports & interfaces
| USB connector type | USB Type-A, USB Type-B, USB Type-C |
|---|---|
| USB port | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) |
| Wi-Fi | Yes |
| HDMI ports quantity | 4 |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| DVI port | No |
| Ethernet LAN (RJ-45) ports | 1 |
| RS-232 interface | Yes |
| USB ports quantity | 7 |
| OPS module slot | Yes |
| HDMI input ports quantity | 3 |
| HDMI output ports quantity | 1 |
| USB 2.0 Type-B ports quantity | 1 |
| Audio Return Channel (ARC) | Yes |
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Audio
| Number of built-in speakers | 2 |
|---|---|
| RMS rated power | 20 W |
| Built-in speaker(s) | Yes |
Design
| Product design | Interactive flat panel |
|---|---|
| Placement supported | Indoor |
| Orientation | Horizontal/Vertical |
| Bezel width (top) | 1.5 cm |
| Bezel width (side) | 1.5 cm |
| Bezel width (bottom) | 1.5 cm |
| Product colour | Black |
| Panel mounting interface | 400 x 400 mm |
| Certification | ISO 9241-307, Class 1 |
| VESA mounting | Yes |
| Screen shape | Flat |
| Wall mountable | Yes |
Performance
| Purpose | Universal |
|---|---|
| Operating hours (hours/days) | 18/7 |
| HDCP | Yes |
| HDCP version | 2.3 |
Power
| Power consumption (typical) | 1110 W |
|---|---|
| Power consumption (standby) | 0.5 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50/60 Hz |
Computer system
| Processor cores | 8 |
|---|---|
| Processor family | ARM Cortex |
| Processor model | Cortex-A53 |
| Operating system installed | Android 14 |
| Internal memory | 4 GB |
| Internal storage capacity | 32 GB |
| Processor manufacturer | ARM |
| Built-in processor | Yes |
| Processor architecture | ARM Cortex-A53+Cortex-A73 |
| Operating system version | 14 |
Weight & dimensions
| Display width | 994 mm |
|---|---|
| Display depth | 73 mm |
| Display height | 582 mm |
| Display weight | 21 kg |
Packaging content
| Stand included | No |
|---|
Operational conditions
| Operating temperature (T-T) | 5 - 35 °C |
|---|---|
| Operating relative humidity (H-H) | 20 - 80% |
| Storage temperature (T-T) | -20 - 60 °C |
| Storage relative humidity (H-H) | 10 - 80% |
Technical details
| Sustainability certificates | ENERGY STAR |
|---|---|
| Warranty period | 3 year(s) |
| Compliance certificates | CE, Electromagnetic Compatibility (EMC), RoHS, UKCA |
Features
| Base material | Metal |
|---|---|
| Suitable for indoor use | Yes |
Other features
| Bluetooth version | 5.3 |
|---|---|
| Bluetooth | Yes |
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.