Tags & Keywords
#TFT-LCD #SPI #1.8inch #360x360 #262KColors #SquareDisplay #CompactDisplay #MCUInterface #StatusDisplay #EmbeddedSystem #RoHS #LESSON #SmartDisplay
Introduction
This document is the official product specification for the LSL018I01-QS-V1, a 1.8-inch square transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a square resolution of 360x360, 262K colors, and a very compact form factor, this module is designed for small devices requiring a square aspect ratio display. With its SPI interface and detailed electrical/timing specifications, it serves as a neat solution for compact status displays, wearable device interfaces, miniature instruments, and embedded systems where a small, square screen is ideal.
Key Specifications
- Brand & Model: LESSON Smart Display LSL018I01-QS-V1
- Screen Size: 1.8 inches (diagonal implied by model)
- Active Area: 45.684 mm (H) × 45.684 mm (V) (Square)
- Driver IC: ST77916
- Display Technology: TFT-LCD Module
- Module Type: Implied COG structure.
- Display Resolution: 360(RGB) × 360 pixels
- Display Colors: 262K Colors
- Module Outline Dimensions: 69.0 mm (H) × 69.0 mm (V) × 3.11 mm (D)
- Interface: SPI Interface (Based on pin and timing structure)
- Supply Voltages:
- VCC (Core Power): 2.65V ~ 3.3V (Typical: 2.8V)
- IOVCC (I/O Power): 1.65V ~ 3.3V (Typical: 1.8V)
- Absolute Maximum Ratings:
- VCC: -0.3V to +4.6V
- IOVCC: -0.3V to +4.0V
- 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.
- Interface Timing: Detailed SPI timing characteristics provided, including chip select setup/hold (tCS, tCSH), clock cycle times for write/read (tSCYCW=16ns, tSCYCR=150ns), and data setup/hold times (tSDS, tSDH).
- Optical Characteristics (Typical):
- Response Time (Tr+Tf): 25 ms
- Contrast Ratio (CR): 1200:1
- Transmittance (T%): 4.0%
- Viewing Angle (CR>10): 85° (All sides)
- Environmental Compliance: RoHS Compliant
General Description
The LSL018I01-QS-V1 is a small square display module. It uses an SPI interface, as evidenced by the timing tables specifying serial clock (SCL) and data (SDA) parameters. The specification provides key absolute maximum ratings and DC characteristics. The SPI timing spec is comprehensive, covering both write and read operations with different clock speeds, which is essential for driver software development. The optical characteristics table is also well-defined, showing good contrast and wide viewing angles for its size.
Key Features
- Square Format: Perfect for symmetric icons, logos, or circular UIs.
- SPI Interface: Simple connection to MCUs.
- Good Optical Performance: High contrast and wide viewing angle.
- Detailed Timing Specs: Facilitates reliable SPI communication.
Application Scenarios
- Compact Status Displays: On small appliances, networking equipment.
- Wearable Interfaces: For smaller smart devices.
- Miniature Instrumentation: Portable gauges, meters.
- Hobbyist Projects: Where a small square color display is needed.
- Industrial HMIs: As a small supplementary display.
Conclusion
The LESSON Smart Display LSL018I01-QS-V1 is a capable and well-documented small square display. Its clear SPI interface timing and solid optical specs make it a practical and easy-to-use component for adding a compact, quality graphical display to a wide array of embedded and portable products.
