LR064VR/B series color liquid crystal display user manual, introduces the basic principle, system structure diagram, performance parameters, communication and connection, memory and screen dot matrix correspondence, memory and screen pixel point correspondence diagram, reading data from the display memory, I/O port read and write timing, automatic clearing screen, color composition, switch definition, mechanical size and layout, application examples, after-sales support instructions, transportation damage handling methods, display storage, precautions, control circuit precautions, common problems and solutions.
The Longrich LR064VR/B is an industrial color LCD display with a 6.4‑inch TFT panel. This manual provides hardware and software information, including basic principles, system block diagram, performance parameters, communication interfaces, memory mapping, and touch‑screen options.
It also contains application examples, after‑sales support details, handling of transport damage, storage guidelines, safety precautions, and a troubleshooting section to help users install, configure, and maintain the display. This manual is written in Chinese.
| Screen diagonal | 6.4 inches |
|---|---|
| LCD type | TFT |
| Resolution | 640 × 480 pixels |
| Pixel size | 0.2025 mm × 0.203 mm |
| Color depth | 64 or 256 colors |
| Viewing angle | Left/Right 50°, Top 15°, Bottom 35° |
| Operating voltage | DC 12 V ±2 V |
| Power consumption | 560 mA @ 12 V |
| Backlight type | CCFL (cold cathode) |
| Backlight power | 180 mA @ 12 V |
| Operating temperature | -20 °C to +70 °C |
| Storage temperature | -30 °C to +80 °C |
| Brightness | 380 cd/m² |
| Contrast ratio | 500:1 |
| LCD lifetime | >50 000 hours continuous |
| Backlight lifetime | 250 000 hours continuous |
| Touch screen resolution (optional) | 4096 × 4096 |
It requires a DC 12 V supply with a tolerance of ±2 V.
The display supports either 64 colors or 256 colors depending on the mode.
The viewing angle is 50° left/right, 15° up, and 35° down.
The optional touch screen has a resolution of 4096 × 4096.