Sharp LM085YB1T01 is a unique wide-format 8.5-inch WVGA monochrome FSTN graphic LCD module, exclusively developed for legacy industrial wide-screen parameter monitoring equipment, portable test analyzers, textile machinery, injection molding auxiliary operation panels and frequency converter control terminals.
Different from traditional 4:3 square monochrome screens, its 15:9 wide 800×480 resolution provides extra horizontal space, perfect for displaying long bar graphs, multi-column numerical data, flow curves and extended industrial operation interfaces. It adopts universal 8-bit parallel MCU bus compatible with both 8080 and 6800 microcontroller timing signals, directly matching vintage single-chip industrial control motherboards without extra signal conversion circuits.
| Parameter | Technical Specification |
|---|
| Model Number | LM085YB1T01 |
| Manufacturer | Sharp Corporation |
| Diagonal Size | 8.5 inches |
| Native Resolution | 800 × 480 WVGA, 15:9 Wide Aspect Ratio |
| LCD Technology | Transmissive FSTN, Monochrome (Yellow-Green Positive Mode) |
| Display Effect | Black text/graphics on yellow-green background |
| Signal Interface | 8-bit Parallel MCU Bus, Terminal Connector, 5V Logic Voltage |
| Backlight System | Single side single CCFL lamp, external dedicated single-channel CCFL inverter required, 40,000 hrs typical lifespan |
| Typical Brightness | 200 cd/m² |
| Typical Contrast Ratio | 8:1 |
| Viewing Angle (L/R/U/D, CR≥2) | 45° / 45° / 30° / 40°, optimal viewing: 6 o’clock |
| Total Response Time (Tr+Td) | 320 ms typical |
| Refresh Rate | 60 Hz |
| Pixel Pitch | 0.215 × 0.215 mm |
| Active Display Area (AA) | 172.0 × 103.2 mm |
| Overall Outline Dimension | 222.7 mm (W) × 134.0 mm (H) × 13.8 mm (D) |
| Net Weight | ~300 g typical |
| Surface Treatment | Standard matte polarizer, no extra hard anti-scratch coating |
| Operating Temperature Range | 0 ℃ ~ +50 ℃ |
| Storage Temperature Range | -10 ℃ ~ +60 ℃ |
| Touch Function | No integrated touch panel |
| Compliance Standard | RoHS Lead-Free Certified, Mercury marked for CCFL backlight |
| Product Status | Officially discontinued wide-format monochrome FSTN module, only A-grade tested spot stock for old equipment repair & cross-replacement |
Application Scenarios
Wide-screen auxiliary parameter panels for injection molding, textile & packaging machinery
Portable industrial test, measurement and multi-channel analytical instruments
Frequency converter, hydraulic and power distribution cabinet wide data monitoring screens
Old embedded PLC terminals for long bar chart, multi-row text and flow curve display
Environmental monitoring equipment with extended horizontal data display requirements
Cross-replacement spare screen for all Sharp LM085YB series 8.5" monochrome FSTN modules
FAQ
Q1: Does LM085YB1T01 require an external inverter for backlight?
A1: Yes. It uses single side single CCFL lamp without built-in drive circuit; a matched single-channel CCFL inverter board is mandatory to power the backlight. WLED driver boards cannot be directly compatible.
Q2: What is the core advantage of its 800×480 wide resolution compared to standard 4:3 monochrome screens?
A2: The 15:9 wide aspect ratio provides abundant horizontal pixel space, suitable for long production curves, multi-column parameter tables and wide-range flow monitoring which cannot be fully displayed on square-format 320×240 / 640×480 panels.
Q3: Can LM085YB1T01 replace other LM085YB series sub-models directly?
A3: Yes, unified outline dimension, mounting hole layout, terminal pinout and single CCFL backlight structure, supporting plug-and-play without hardware modification.
Q4: What temperature environment is suitable for this FSTN monochrome module?
A4: Operating temperature limited to 0~50℃, storage -10~60℃. It cannot work stably in unheated cold workshops or high-temperature machinery cabinets exceeding this rated range, not wide-temperature industrial grade.
Q5: What are the main limitations of monochrome FSTN vs color TFT LCD?
A5: Only single yellow-green monochrome output, slow response speed, narrow vertical viewing angle; unable to display dynamic fast images or multi-color HMI interfaces, only fit static text, numerical data and simple curve monitoring scenes.

