31.5" - Cholesteric LCD
31.5" - Cholesteric LCD
CH-LCD
31.5"
SPI
Cholesteric-LCDs are bistable, reflective displays that hold images without power and refresh in under a second. With full-colour capability and wide temperature tolerance.
- 31.5" Cholesteric LCD panel
- 1920 x 1080 pixel resolution
- 16.7 million colours
- SPI interface
- Reflective display with bistable properties
Suitable for retail signage systems, transportation information systems, digital poster and more.
The image shows the 31.5” CH-LCD fully assembled evaluation kit (#12310)
Specifications
Evaluation Kit
| Feature | Specification |
|---|---|
| Part Number | 12429 (display only) 12409 (display only - extended temperature) 12310 (evaluation kit) 12432 (evaluation kit - extended temperature) |
| Display Mode | Cholesteric LCD |
| Screen Size | 31.5" |
| Resolution | 1920 x 1080 |
| Aspect Ratio | 16:9 |
| Pixels Per Inch (PPI) | 70 |
| Display Type | Full colour |
| No. of Displayed Colours | 16.7 million |
| Display Mode | Reflective |
| Reflectance | 23% |
| Contrast Ratio | 10:1 |
| Viewing Angle | Ultra-wide |
| Module Dimensions | 712.08 x 405.445 x 1.82mm |
| Active Area Dimensions | 697.68 x 392.375mm |
| Pixel Pitch | 363.375 x 363.375mm |
| Image Transmission Time | 1 second |
| Surface Treatment | Anti-Glare |
| Operating Temperature | Standard: -20° to +60rC Extended: -30° to +80°C |
| Storage Temperature | -25° to +70°C |
| Display Interface | 4 line SPI |
| SPI Electrical Interference | Min:1.8V / Typ: 3.0V / Max:3.3V |
| Physical Interface | Connector |
| No. of Conductors | 51 pins |
| Power Supply Input Voltage | 12V |
| Power Supply Current | 157mA |
* Optional feature available on this product
Evaluation Kit
Our Cholesteric-LCD displays are available in a fully enclosed, ready to run evaluation kit. Your own images can be uploaded wirelessly using an API or via USB.
- Enclosure: Galvanised iron - choice of black or white
- Interface: USB2.0 / WiFi
- Power Suppy 12V/5A
- Power Consumption:0 watts when displaying a static image
- Operating time: 6-12 months on one charge depending on screen update frequency
- MCU: Xtensa@32bit Dual Core
- Storage: 120MB eMMC
