LS096I05-S-V1: 0.96-Inch 80×160 TFT LCD Display Module, IPS, SPI Interface, 262K Colors
Product Subtitle / Keywords
0.96 Inch Display, 80(RGB)*160 Resolution, IPS (In-Plane Switching) Display Mode, Transmissive a-Si TFT-LCD Module, COG+FPC+B/L Package Type, 262K Display Colors, Driver IC ST7735S, 4-Line Serial SPI Interface, Supply Voltage VCC=2.75V (Typ), IOVCC=1.8V (Typ), Operating Temp -20°C~70°C, Storage Temp -30°C~80°C, Module Size 13.6×27.95×2.01 mm, Active Area 10.80×21.7 mm, LED Backlight (FORE series, 1 parallel white LED) If=20mA, Vf=3V, 300 cd/m² Luminance (Typ), 800:1 Contrast Ratio (Typ), Response Time 30ms (Typ), Lesson Smart Display Technology Co., Ltd.
1. Executive Summary & Product Positioning
The LS096I05-S-V1, developed by Lesson Smart Display Technology Co., Ltd. (立信(万安)智显科技有限公司), is a 0.96-inch, 80(RGB)×160 resolution IPS TFT LCD display module. The specification, dated 2025-04-28 (Version 1.0), details its general description, mechanical dimensions, outline drawing, electrical characteristics, pin assignment (SPI), timing characteristics, and electro-optical characteristics.
This product specification serves as the definitive technical document, defining the module's compact size, IPS display type, 4-line SPI interface, and specific power supply requirements. The unequivocal recommendation for engineers is to strictly adhere to the specified power supply voltages (VCC=2.75V Typ, IOVCC=1.8V Typ) and the detailed 4-line serial interface timing (including setup and hold times for D/CX, SDA, and SCL signals) as well as the precise backlight driving current (If=20mA) to ensure reliable performance and optimal display quality.
2. Detailed Product Overview & Architecture
- Core Technology: a-Si TFT (amorphous silicon thin film transistor) LCD technology using an IPS (In-Plane Switching) panel for wide viewing angles.
- Display Resolution: 80(RGB)*160 pixel array.
- Display Mode: IPS / Transmissive, providing wide viewing angles and consistent color reproduction.
- Interface Type: 4-Line Serial Interface (SPI) with Chip Select (CS), Serial Clock (SCL), Serial Data (SDA), and Data/Command select (RS/D/CX) lines.
- Display Colors: Up to 262K colors.
- Power Architecture: Requires a dual-rail power supply: Logic/IO (IOVCC=1.65V~3.7V) and Main (VCC=2.5V~3.7V).
- Driver IC: ST7735S.
3. Exhaustive Technical Specifications
3.1 Mechanical & Physical Specifications
| Parameter | Specification | Unit |
|---|---|---|
| Model | LS096I05-S-V1 | - |
| LCD Size | 0.96 | inch |
| Module Type | COG+FPC+B/L | - |
| Resolution | 80(RGB) × 160 | pixel |
| Display Mode | IPS / Transmissive | - |
| Display Number of Colors | 262K | - |
| Module Size (H×V×D) | 13.6 × 27.95 × 2.01 | mm |
| Active Area (H×V) | 10.80 × 21.7 | mm |
| Driver IC | ST7735S | - |
| Interface | 4-line Serial Interface (SPI) | - |
| Operating Temperature | -20 ~ 70 | °C |
| Storage Temperature | -30 ~ 80 | °C |
| Backlight Type | FORE series, ONE parallel white LED | - |
| Supplier | 立信(万安)智显科技有限公司 (Lesson Smart Display Technology Co.,Ltd) | - |
| Document Date / Version | 2025-04-28 | Rev: 1.0 | - |
3.2 Electrical & Interface Specifications
3.2.1 DC Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply voltage (Main) | VCC | 2.5 | 2.75 | 3.7 | V |
| Supply voltage (I/O) | IOVCC | 1.65 | 1.8 | 3.7 | V |
| Input Voltage (L level) | VIL | 0 | - | 0.3*IOVCC | V |
| Input Voltage (H level) | VIH | 0.7*IOVCC | - | IOVCC | V |
| Backlight LED Forward Current | If | - | 20 | - | mA |
| Backlight LED Forward Voltage | Vf | - | 3.0 | - | V |
3.2.2 Pin Description (Connector)
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 1 | LEDA | P | Power for LED backlight anode |
| 2 | GND | P | Ground |
| 3 | RESRT | I | Reset pin. (Active Low) |
| 4 | RS | I | Command and Data select pin (D/CX) |
| 5 | SDA | I/O | Serial data input/output PIN |
| 6 | SCL | I | Serial clock pin |
| 7 | VDD | P | Power supply (VCC) |
| 8 | CS | I | Chip select pin |
3.2.3 Serial Interface Timing (4-line Serial)
Key timing parameters at Ta=25°C, VDDI=1.65~3.7V, VDD=2.5~3.7V:
| Signal | Symbol | Parameter | MIN | MAX | Unit |
|---|---|---|---|---|---|
| SCL | TSHR | SCL "H" Pulse Width (Read) | 60 | - | ns |
| SCL | TSLR | SCL "L" Pulse Width (Read) | 60 | - | ns |
| D/CX | TDCS | D/CX Setup Time | 10 | - | ns |
| D/CX | TDCH | D/CX Hold Time | 10 | - | ns |
| SDA (DIN) | TSDS | Data Setup Time | 10 | - | ns |
| SDA (DIN) | TSDH | Data Hold Time | 10 | - | ns |
| SDA (DOUT) | TACC | Access Time | 10 | 50 | ns |
| SDA (DOUT) | TOH | Output Disable Time | 15 | 50 | ns |
Note: The rising time and falling time (Tr, Tf) of input signals are specified at 15 ns or less.
3.3 Electro-Optical Characteristics
| Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Response time | Tr+Tf | θx = θy = 0 | - | 30 | 40 | ms |
| Contrast Ratio | CR | θx = θy = 0 | 700 | 800 | - | - |
| Transmittance | T% | θx = θy = 0 | 4.3 | 4.8 | - | % |
| Viewing angle (all directions) | θT, θB, θL, θR | CR > 10 | 80 | 85 | - | Deg. |
| Luminance (IF = 20mA) | L | - | 280 | 300 | - | cd/m² |
4. Application Guidelines & Critical Notes
Intended Use
- Compact 0.96-inch display applications for wearables, smart home devices, handheld instruments, or any application requiring a small, high-quality color display.
- Systems using a standard 4-line SPI interface for communication with a host microcontroller.
- Low-power battery-operated applications due to the small size and efficient backlight.
Critical Design Considerations
- SPI Interface (4-Line): The module uses a 4-line SPI interface. Ensure the host microcontroller is configured to generate the correct SPI signals: CS (Chip Select), SCL (Serial Clock), SDA (Data), and RS (Data/Command select). The timing diagram in the spec shows that data is latched on the rising edge of SCL.
- Power Supply (Dual Rail VCC and IOVCC): The module requires two separate power supplies: VCC (2.75V Typ) for the core logic and IOVCC (1.8V Typ) for the interface logic. Both must be within their specified ranges.
- Backlight Driving (Constant Current): The backlight consists of a single white LED. The specification requires a constant current of 20mA. The forward voltage is typically 3.0V. A constant current circuit, such as a simple resistor for low-power applications or a dedicated LED driver IC for precise control, is recommended.
- Reset Signal Timing: The spec mentions a power on/off sequence diagram with a RESX (Reset) signal. A reset sequence is likely required after power-up. This typically involves holding RESX low for a specified minimum time (e.g., min 1ms in sleep-out mode, min 0ms in sleep-in mode as shown in the power sequence diagram) after the supply voltages are stable, then bringing it high.
- Small Mechanical Profile: The module is very small (13.6×27.95 mm). Mechanical design must ensure proper alignment and secure mounting without damaging the glass or FPC. The drawing notes caution about edges of glass and suggest the outer visual area be 0.3mm smaller than the LCD active area.
- Observe standard ESD precautions during handling and assembly.
- Do not disassemble or modify the LCD module.
- All NC (No Connection) pins should be left open.
- The specification is marked as Rev 1.0. Ensure this is the final version for production.
5. Conclusion & Design-In Support
The LS096I05-S-V1 specification details a standard 0.96-inch IPS TFT LCD module with a 4-line SPI interface, offering good optical performance (300 cd/m², 800:1 CR) in a highly compact package. It is a straightforward choice for many embedded display applications.
Key Strengths
- Compact Size (0.96 Inch): Extremely small footprint for integration into space-constrained designs.
- IPS Display: Provides wide viewing angles (80°/85°) and good image quality.
- Standard SPI Interface: Simple and common interface compatible with a wide range of microcontrollers.
- Clear Product Spec: The document provides all necessary electrical, optical, and mechanical information.
Main Design Focus
- The key design tasks are driving the backlight with a constant current of 20mA and implementing the 4-line SPI protocol with correct timing (setup/hold times as low as 10ns) and proper power sequencing (Dual Rail VCC and IOVCC) and reset handling.
- Supporting requirements: Provide a stable 2.75V supply for VCC and a 1.8V supply for IOVCC. Design a secure mechanical housing to protect the module during operation.
This module is a reliable and well-documented choice for any engineer looking to add a small, high-quality color display to their product.
