LS0144T08-S-V1: 1.44-inch TFT LCD Module, 128×128, 4-line SPI Interface, 262K Colors, Transmissive TFT
Product Subtitle / Keywords
1.44 Inch Display, 128(RGB)×128 Resolution, Transmissive a-Si TFT-LCD Module, COG+FPC+B/L Module Type, 4-line Serial Interface, 262K Colors, Driver IC: NV3023B, Display Mode: Transmissive, Operating Temp: -20°C ~ +60°C, Storage Temp: -30°C ~ +70°C, Backlight: 2 Chip-White LED (If=40mA, Vf=2.8~3.2V), NTSC 50% (Typ.), Product Revision 00 (New Released on 2024-12-5)
1. Executive Summary And Product Positioning
The LS0144T08-S-V1 is a 1.44-inch diagonal transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module, manufactured by Lesson (Wanan) Smart Display Technology Co., Ltd. This comprehensive module integrates a TFT-LCD panel, a driver circuit, and a backlight unit (B/L) into a single package. The product specification (Revision 1.0, Version 00, new released on 2024-12-5) serves as the definitive technical document for this module.
This module features a resolution of 128(RGB)×128 pixels and is capable of displaying up to 262K colors. The module uses a 4-line serial interface and is driven by the NV3023B driver IC.
2. Detailed Product Overview And Architecture
The LS0144T08-S-V1 is a 1.44-inch TFT display. Its architecture is built around several key elements:
- Core Technology: Transmissive type a-Si TFT-LCD.
- Module Type: COG (Chip-On-Glass) + FPC (Flexible Printed Circuit) + B/L (Backlight).
- Display Format: Graphic 128(RGB)×128 Dot-matrix.
- Display Characteristics: Capable of displaying up to 262K colors.
- Interface Type: 4-line serial interface.
- Main LCD Driver IC: The module integrates the NV3023B driver IC.
- Backlight Unit: The module utilizes a white LED backlight comprised of 2 chip LEDs (2CHIP-WHITE LED). The document specifies a driving condition of If=40mA and Vf=2.8~3.2V.
- View Direction: 12 o'clock.
- Approval Status: Approved Product Specification only (Revision 1.0).
3. Technical Specifications
3.1 General & Mechanical Specification
| Parameter | Specification | Unit |
|---|---|---|
| Panel Size | 1.44'' (Diagonal) | Inch |
| Module Outline (H×V×D) | 32.24 × 27.9 × 2.1 (approximated from diagram) | mm |
| Active Area (H×V) | 26.50 × 25.50 (from diagram) | mm |
| Number of Dots | 128(RGB) × 128 | pixels |
| Display Type | a-Si TFT, Transmissive | - |
| Display Colors | 262K | colors |
| Module Type | COG+FPC+B/L | - |
| View Direction | 12 o'clock | - |
| Driver IC | NV3023B | - |
| Interface | 4-line Serial | - |
| Backlight Type | 2 CHIP White LED (If=40mA) | - |
3.2 Absolute Maximum Ratings
| Item | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Supply voltage | VCC | -0.3 | 4.8 | V |
| Supply voltage | IOVCC | -0.3 | 3.6 | V |
| Operating temperature | TOPR | -20 | 60 | °C |
| Storage temperature | TSTR | -30 | 70 | °C |
3.3 Electrical Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply voltage | VCC | 2.4 | 2.8 | 4.8 | V |
| Supply voltage (I/O) | IOVCC | 1.65 | 1.8 | 3.6 | V |
| Input Voltage (L level) | VIL | 0 | --- | 0.3*IOVCC | V |
| Input Voltage (H level) | VIH | 0.7*IOVCC | --- | IOVCC | V |
3.4 Backlight Driving Conditions
The document specifies the backlight type as 2CHIP-WHITE LED, with If=40mA and Vf=2.8~3.2V.
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Backlight Forward Voltage | Vf | 2.8 ~ 3.2 | V |
| Backlight Forward Current | If | 40 | mA |
3.5 Interface Connection (FPC)
The pin assignment from the outline diagram is as follows:
| PIN NO. | Symbol |
|---|---|
| 1 | GND |
| 2 | NC |
| 3 | LED- |
| 4 | LED+ |
| 5 | CS |
| 6 | SCLK |
| 7 | SDI (SDA) |
| 8 | RS (DCX) |
| 9 | RES |
| 10 | VDDIO |
| 11 | VDD |
| 12 | GND |
| 13 | LED- |
| 14 | TE |
| 15 | GND |
3.6 Optical Specifications
| Item | Symbol | Condition | Min. | Typ. | Unit |
|---|---|---|---|---|---|
| NTSC (色饱和度) | - | θ=Φ=0° | 45 | 50 | % |
| Uniformity (均匀度) | UL | θ=Φ=0° | 80 | - | % |
Note: The spec defines Contrast Ratio as Surface Luminance with all white pixels / Surface Luminance with all black pixels.
4. Application Scenario (Based on Spec)
Based on the product specification, this module is a small 1.44-inch TFT display suitable for general embedded applications requiring a compact color display with a simple SPI interface.
5. Handling Precautions And Compliance
The document provides a power-on/off sequence and reset input timing specifications. It includes a version record and is RoHS compliant.
