Introduction
This document provides the product specification for the LSL0201I12-S-V1, a 2.01-inch transmissive a-Si TFT-LCD module from LESSON Smart Display. Featuring a resolution of 240(RGB)x296 pixels and support for 262 thousand colors, this compact module is designed for space-constrained applications requiring a graphical display. With detailed mechanical outlines, electrical characteristics, and interface timing, it serves as a practical solution for wearable devices, small handheld instruments, and smart IoT accessories.
Key Specifications
- Brand & Model: LESSON Smart Display LSL0201I12-S-V1
- Screen Size: 2.01 inches (diagonal)
- Active Area: 32.04 mm (H) × 39.516 mm (V)
- Driver IC: BOE + NV3030B-02
- Display Technology: Transmissive type a-Si TFT-LCD
- Display Mode: TFT LCD, Transmissive
- Module Type: LCM with FPC
- Display Resolution: 240(RGB) × 296 pixels
- Display Colors: 262 Thousand Colors
- Module Outline Dimensions: 36.29 mm (H) × 44.64 mm (V) × 2.88 mm (D)
- Interface: 4-line Serial Interface (SPI) (Pins: RS (D/CX), CS, SCL, SDA, RESET). Also includes a TE (Tearing Effect) output pin.
- Supply Voltage (VCC): 2.6V to 3.3V (Typical: 2.8V)
- Operating Temperature: -10°C to +60°C
- Storage Temperature: -20°C to +70°C
- Viewing Direction: All o'clock (Wide viewing angle)
- Backlight: 4-chip white LED (Drive condition: If=80mA, Vf=3.2V Typ.)
- Luminance: 400 cd/m² (Typical, at IF=80mA)
- Contrast Ratio: 1200:1 (Typical), 800:1 (Min)
- Response Time (Tr+Tf): 30 ms (Typical), 35 ms (Max)
General Description
The LSL0201I12-S-V1 is a compact and efficient display module. Its 2.01-inch size and 240x296 resolution provide a practical balance between display real estate and physical footprint, suitable for devices where panel space is limited. The module is controlled by the NV3030B-02 driver IC, which is accessed via a 4-line SPI interface (Chip Select CS, Serial Clock SCL, Serial Data SDA, and Data/Command RS). This interface is simple and widely supported by microcontrollers, minimizing the required GPIO pins.
The specification provides complete SPI timing characteristics for both write and read operations, including setup/hold times for CS and RS, clock cycle times, and data hold times. The module includes a TE (Tearing Effect) output signal, which can be used to synchronize the host MCU's frame buffer updates with the LCD's refresh cycle to prevent visual tearing. The optical characteristics are well-defined, featuring a high typical contrast ratio and a bright 400-nit backlight. It's important to note the operating temperature range is -10°C to +60°C, which is slightly narrower than some other models. The mechanical drawing includes notes recommending design guidelines, such as making the bezel opening 0.3mm smaller per side than the active area.
Application Scenarios
This small-form-factor module is ideal for compact and portable devices:
- Wearable Devices: Smart bands, fitness trackers, or specialized medical sensors.
- Portable Instrumentation: Handheld meters, environmental sensors, or data loggers.
- Smart Home Controls: Thermostat displays, security keypad interfaces, or appliance control panels.
- Industrial IoT Devices: Status displays for wireless sensors, remote controls, or handheld terminals.
- Consumer Electronics Accessories: Displays for smart device cases, peripherals, or toys.
Conclusion
The LESSON Smart Display LSL0201I12-S-V1 is a reliable and well-documented small-format display solution. Its combination of a clear SPI interface, the NV3030B-02 driver, useful TE signal, and solid optical performance makes it straightforward to integrate into microcontroller-based designs. It effectively meets the needs for adding a graphical user interface to compact, power-efficient products.
