Tags & Keywords
#TFT-LCD #TN #RGB #4.3inch #480x272 #16.7MColors #WideScreen #COG #Transmissive #IndustrialControl #ConsumerElectronics #CarDisplay #MCUInterface #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSR043T04-R-V2, a 4.3-inch wide-screen transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a resolution of 480(RGB)x272, 16.7 million colors, and a TN panel, this module is designed as a cost-effective wide-format display solution. With its 24-bit RGB parallel interface, detailed timing characteristics, and comprehensive specifications, it serves as a popular choice for industrial control systems, consumer electronics, automotive aftermarket displays, and various embedded applications.
Key Specifications
- Brand & Model: LESSON Smart Display LSR043T04-R-V2
- Screen Size: 4.3 inches (diagonal)
- Active Area: 95.04 mm (H) × 53.856 mm (V)
- Driver IC: NV3047E (as indicated in the Physical Features section)
- Display Technology: Transmissive type a-Si TFT-LCD
- Display Mode: Active matrix TFT, Transmissive, TN (Twisted Nematic), Normally White
- Module Type: TFT-LCD module with driver circuit and backlight unit.
- Display Resolution: 480(RGB) × 272 pixels
- Display Colors: Up to 16.7 Million Colors
- Module Outline Dimensions: 100.16 mm (H) × 61.856 mm (V) [Panel Size]
- Interface: 24-bit RGB Parallel Interface (Data: R[7:0], G[7:0], B[7:0]; Control: HS, VS, DE, CLK)
- Input Data: 24-bit RGB
- Viewing Direction: TN
- Supply Voltages:
- VCC (Main Power): 3.0V ~ 3.6V (Typical: 3.3V)
- IOVCC (I/O Power): 1.65V ~ VCC
- Absolute Maximum Ratings:
- VCC / IOVCC: -0.3V to +4.6V
- Operating Temperature (T_OPR): -20°C to +70°C
- Storage Temperature (T_STR): -30°C to +80°C
- DC Electrical Characteristics: Defines VIL, VIH levels relative to IOVCC.
- RGB Timing Characteristics (Typical):
- DCLK Frequency (Fclk): 9 MHz
- HSYNC Period (Th): 531 DCLK
- VSYNC Period (Tv): 292 H (Horizontal lines)
- Porch Settings: Detailed H/V Back Porch, Front Porch, and Pulse Width provided.
- Backlight: LED backlight (Pins: LEDA, LEDK)
- Optical Characteristics (Typical @ I_F=40mA):
- Luminance: 500 cd/m²
- Contrast Ratio: 700:1
- Response Time (Tr+Tf): 20 ms
- Viewing Angle (CR>10): 80° (Top/Bottom), 60°/70° (Left/Right)
- Environmental Compliance: RoHS Compliant
General Description
The LSR043T04-R-V2 is a widely used wide-screen display module. It is controlled by the NV3047E driver IC and accepts a standard 24-bit RGB interface. The specification is very detailed, including a complete pin description table (34 pins) mapping all data and control lines. The RGB timing characteristics are thoroughly defined, with typical values for clock frequency, sync periods, and porch settings, accompanied by timing diagrams and important notes on parameter constraints (e.g., "Thbp>10, Tvbp+Tvfp<128").
Pin Description (Key Control Pins)
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 30 | CLK | I | Clock signal |
| 31 | DISP | I | Display on/off |
| 32 | HS | I | Horizontal sync (RGB mode) |
| 33 | VS | I | Vertical sync (RGB mode) |
| 34 | DE | I | Data enable |
Application Scenarios
- Industrial Control: HMI for PLCs, automation equipment, process monitors.
- Consumer Electronics: Portable DVD players, digital photo frames, gaming devices.
- Automotive Aftermarket: Car audio/video displays, rear-seat entertainment, dash cams.
- Smart Home: Thermostat displays, security system panels.
- General Embedded Systems: Projects requiring a common wide-screen display.
Conclusion
The LESSON Smart Display LSR043T04-R-V2 is a mature, well-documented, and highly popular display solution. Its exhaustive timing specifications and clear pinout make it straightforward to integrate, serving as a dependable and cost-effective component for a vast array of wide-screen embedded applications across multiple industries.
