Lixin (Wan'an) Intelligent Display Technology Co., Ltd. (LESSON) announces comprehensive technical specifications for its three flagship 3.2-inch TFT-LCD display modules: LS032I03-R-V1, LS032I01-R-V1, and LSC032I02-R-V1. These modules feature 240×320 resolution, 262K color display capability, and multiple interface options designed for industrial, consumer, and embedded applications. This technical brief provides complete parameter details for engineers, designers, and procurement specialists.
Product Overview Comparison
| Parameter | LS032I03-R-V1 | LS032I01-R-V1 | LSC032I02-R-V1 |
|---|---|---|---|
| Release Date | 2025-12-23 | 2024-10-17 | 2026-03-05 |
| Panel Size | 3.2 inch | 3.2 inch | 3.2 inch |
| Resolution | 240(RGB) × 320 | 240 × 320 | 240(RGB) × 320 |
| Display Colors | 262K colors | 262K colors | 262K colors |
| Display Technology | Transmissive a-Si TFT-LCD | Transmissive a-Si TFT-LCD | Transmissive a-Si TFT-LCD |
| Viewing Direction | IPS (Wide Viewing Angle) | ALL directions | Not specified |
| Driver IC | ST7789P3 | ST7789T3 | Not specified |
| Interface Type | 6-bit RGB | RGB interface | RGB + Serial interfaces |
| Backlight | Not specified | 5 White LEDs | White LED backlight |
| Module Dimensions | Not specified | 55.04(H) × 77.50(V) mm | Not specified |
| Active Area | Not specified | 48.60(H) × 64.80(V) mm | Not specified |
| Operating Temperature | Not specified | -20°C to 70°C | -10°C to 60°C |
| Storage Temperature | Not specified | -30°C to 80°C | -20°C to 70°C |
Detailed Technical Specifications
1. LS032I03-R-V1: IPS Technology Display Module
General Description
LS032I03-R-V1 is a transmissive type a-Si TFT-LCD (amorphous silicon thin film transistor liquid crystal display) module composed of a TFT-LCD panel, driver circuit, and backlight unit. The 3.2-inch panel delivers 240(RGB)×320 resolution with 262K color display capability.
Physical Features
| Feature | Specification |
|---|---|
| Display Mode | TFT-LCD Module |
| Display Technology | Active matrix TFT, Transmissive type |
| Display Format | Graphic 240(RGB) × 320 Dot-matrix |
| Input Data Interface | 6-bit RGB |
| Viewing Direction | IPS (In-Plane Switching) |
| Grayscale Inversion | IPS technology |
| Drive Controller | ST7789P3 |
Key Advantages
- IPS Technology: Superior viewing angles with consistent color reproduction
- 6-bit RGB Interface: 18-bit color depth (6 bits per RGB channel)
- ST7789P3 Driver: Reliable and widely compatible display controller
- Industrial Grade: Suitable for demanding applications
2. LS032I01-R-V1: High-Specification RGB Interface Module
General Information
| Parameter | Specification | Unit | Notes |
|---|---|---|---|
| Drive Element | a-Si TFT | - | - |
| Module Outline Size | 55.04 (H) × 77.50 (V) | mm | - |
| Active Area | 48.60 (H) × 64.80 (V) | mm | - |
| Number of Pixels | 240(H) × 320(V) | pixels | - |
| Pixel Arrangement | RGB stripe | - | - |
| Pixel Pitch | 51.6 × 56.8 | mm | - |
| Display Colors | 262K | colors | - |
| Viewing Direction | ALL | - | - |
| Controller/Driver | ST7789T3 | - | - |
| Data Interface | RGB | - | - |
| Backlight Configuration | 5 White LEDs | - | - |
| Weight | TBD | g | - |
Electrical Characteristics (Ta=25±2°C)
| Characteristic | Symbol | Min. | Typ. | Max. | Unit | Note |
|---|---|---|---|---|---|---|
| Power Supply Voltage 1 | IOVCC | 1.65 | 1.8 | 3.3 | V | - |
| Power Supply Voltage 2 | VCI | 2.4 | 2.75 | 3.3 | V | - |
| Current Consumption | I_DD | - | TBD | - | mA | Normal mode |
| Sleep Mode Current | I_DD-SLEEP | - | TBD | - | μA | Sleep mode |
| Input Voltage "L" Level | V_IL | GND | - | 0.3×IOVCC | V | IOVCC=1.65~3.3V |
| Input Voltage "H" Level | V_IH | 0.7×IOVCC | - | IOVCC | V | IOVCC=1.65~3.3V |
| Output Voltage "L" Level | V_OL | GND | - | 0.2×IOVCC | V | I_OL=1mA |
| Output Voltage "H" Level | V_OH | 0.8×IOVCC | - | IOVCC | V | I_OH=-1mA |
Backlight Unit Specifications
| Characteristic | Symbol | Condition | Min. | Typ. | Max. | Unit | Notes |
|---|---|---|---|---|---|---|---|
| Forward Voltage | Vf | I_L=100mA | 2.8 | 3.0 | 3.2 | V | - |
| Forward Current | I_L | - | - | 100 | - | mA | - |
| Luminance | Lv | I_L=100mA | - | 350 | - | cd/m² | - |
| LED Lifetime | - | I_L=100mA | 20,000 | 25,000 | - | Hours | Note 1 |
Mechanical Integration Guidelines
- Unspecified Tolerance: ±0.2mm
- Unspecified Dimensions: According to CAD 1:1 measurement
- Critical Dimensions: Marked with *
- Reference Dimensions: Marked with ()
- CTP V.A Opening: Recommend 0.3mm larger than LCOAA per side
- Housing Lens Opening: Recommend 0.3mm larger than LCOAA per side
- Flatness Warpage: ≤0.3mm
- RoHS Compliance: Yes
- Driver IC/Type: SPI+RGB18 BIT
- CTP Foam Opening: Recommend 0.7mm larger than LCD A.A per side
- Housing Foam Opening: Recommend 0.9mm larger than LCOAA per side
- Housing Material Opening: Recommend 0.6mm larger than LCD A.A per side
- Subjective Color Tone: Module brightness (without CTP) 300CD/m²(MIN), 350CD/m²(TYP)
- Color Coordinates: X=0.29±0.03; Y=0.30±0.03
3. LSC032I02-R-V1: Comprehensive Specification Module
General Description
LSC032I02-R-V1 is a transmissive type a-Si TFT-LCD module composed of a TFT-LCD panel, driver circuit, and backlight unit. The 3.2-inch panel features 240(RGB)×320 resolution with 262K color display capability. The specification details structural composition, physical/mechanical parameters, electrical characteristics, pin functions, serial/RGB interface timing requirements, and photoelectric performance indicators.
Absolute Maximum Ratings
| Item | Symbol | Min | Max | Unit | Remark |
|---|---|---|---|---|---|
| Supply Voltage | VCC | -0.3 | 4.6 | V | Note1, Note2 |
| Supply Voltage | IOVCC | -0.3 | 4.6 | V | Note1, Note2 |
| Operating Temperature | T_OPR | -10 | 60 | °C | Note1, Note2 |
| Storage Temperature | T_STR | -20 | 70 | °C | Note1, Note2 |
Pin Description (40-pin Configuration)
Power and Basic Control Pins:
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 1 | LEDA | P | Power for LED backlight anode |
| 2 | LEDK | P | Power for LED backlight cathode |
| 3 | VCC | P | Power Supply |
| 4 | IOVCC | P | Power Supply |
| 5 | GND | P | Ground |
| 10 | GND | P | Ground |
| 15 | GND | P | Ground |
| 33 | GND | P | Ground |
| 34 | GND | P | Ground |
RGB Interface Control Pins:
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 6 | PCLK | I | Dot clock signal for RGB interface operation |
| 7 | DE | I | Data enable signal for RGB interface operation |
| 8 | HS | I | Horizontal synchronizing input signal |
| 9 | VS | I | Vertical synchronizing input signal |
| 32 | TE | O | Tearing effect signal for MCU synchronization |
Serial Interface Pins:
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 11 | RESET | I | Reset signal for device initialization |
| 12 | CS | I | Chip selection pin |
| 13 | SCL | I | Serial interface Clock Input |
| 14 | SDA | I/O | Serial interface DATA Input/Output |
RGB Data Bus Pins (16-bit):
| PIN NO. | Symbol | I/O | Description |
|---|---|---|---|
| 16 | DB0 | I | RGB interface data bus |
| 17 | DB1 | I | RGB interface data bus |
| 18 | DB2 | I | RGB interface data bus |
| 19 | DB3 | I | RGB interface data bus |
| 20 | DB4 | I | RGB interface data bus |
| 21 | DB5 | I | RGB interface data bus |
| 22 | DB6 | I | RGB interface data bus |
| 23 | DB7 | I | RGB interface data bus |
| 27 | DB11 | I | RGB interface data bus |
| 28 | DB12 | I | RGB interface data bus |
| 29 | DB13 | I | RGB interface data bus |
| 30 | DB14 | I | RGB interface data bus |
| 31 | DB15 | I | RGB interface data bus |
Touch Panel Interface Pins (Optional/NC):
| PIN NO. | Symbol | Description |
|---|---|---|
| 35 | TP_2.8V/NC | Touch panel power or No Connect |
| 36 | TP_INT/NC | Touch panel interrupt or No Connect |
| 37 | TP_SCL/NC | Touch panel SCL or No Connect |
| 38 | TP_SDA/NC | Touch panel SDA or No Connect |
| 39 | TP_RST/NC | Touch panel reset or No Connect |
| 40 | TP_GND/NC | Touch panel ground or No Connect |
Serial Interface Timing Characteristics
Test Conditions: VDDI=1.65 to 3.3V, VDD=2.4 to 3.3V, AGND=DGND=0V, Ta=25°C
| Signal | Symbol | Parameter | Min | Max | Unit | Description |
|---|---|---|---|---|---|---|
| CSX | T_CSS | Chip select setup time (write) | 15 | - | ns | - |
| CSX | T_CSH | Chip select hold time (write) | 15 | - | ns | - |
| CSX | T_CSS | Chip select setup time (read) | 60 | - | ns | - |
| CSX | T_SCC | Chip select hold time (read) | 65 | - | ns | - |
| CSX | T_CHW | Chip select "H" pulse width | 40 | - | ns | - |
| SCL | T_SYCW | Serial clock cycle (Write) | 16 | - | ns | - |
| SCL | T_SHW | SCL "H" pulse width (Write) | 7 | - | ns | - |
| SCL | T_SLW | SCL "L" pulse width (Write) | 7 | - | ns | - |
| SCL | T_SYCR | Serial clock cycle (Read) | 150 | - | ns | - |
| SCL | T_SHR | SCL "H" pulse width (Read) | 60 | - | ns | - |
| SCL | T_SLR | SCL "L" pulse width (Read) | 60 | - | ns | - |
| SDA (DIN) | T_SDS | Data setup time | 7 | - | ns | - |
| SDA (DIN) | T_SDH | Data hold time | 7 | - | ns | - |
| DOUT | T_ACC | Access time | 10 | 50 | ns | CL=30pF(max)/8pF(min) |
| DOUT | T_OH | Output disable time | 15 | 50 | ns | CL=30pF(max)/8pF(min) |
Timing Notes:
- Rising/falling time (Tr, Tf) of input signal: ≤15ns
- Logic high/low levels: 30%/70% of VDDI for input signals
- Read sequence delay: 500ns between read command and first read clock
RGB Interface Timing Characteristics
Test Conditions: VDDI=1.65 to 3.3V, VDD=2.4 to 3.3V, AGND=DGND=0V, Ta=25°C
| Signal | Symbol | Parameter | MIN | MAX | Unit | Description |
|---|---|---|---|---|---|---|
| HSYNC, VSYNC | T_SYNC | VSYNC, HSYNC Setup Time | 30 | - | ns | - |
| ENABLE | T_ENS | Enable Setup Time | 25 | - | ns | - |
| ENABLE | T_ENH | Enable Hold Time | 25 | - | ns | - |
| DOTCLK | PWDH | DOTCLK High-level Pulse Width | 60 | - | ns | - |
| DOTCLK | PWDL | DOTCLK Low-level Pulse Width | 60 | - | ns | - |
| DOTCLK | T_CYCD | DOTCLK Cycle Time | 120 | - | ns | - |
| DOTCLK | Trghr, Trghf | DOTCLK Rise/Fall time | - | 20 | ns | - |
| DB | T_PDS | PD Data Setup Time | 50 | - | ns | - |
| DB | T_PDH | PD Data Hold Time | 50 | - | ns | - |
Optical Measurement Specifications
- Center Luminance Definition: Measured on LCD surface with all pixels set to white
- Measurement Locations: As shown in FIGURE 4 (9-point measurement)
- White Luminance Uniformity: ΔY = Min Luminance / Max Luminance (9 or 5 points)
- Color Chromaticity: Calculated from spectral data measured with C light at panel center
- Electro-optical Response Time:
- Td: Luminance change from 10% to 90%
- Tr: Luminance change from 90% to 10%
- Backlight Circuit:
- Drive Condition: IF=100mA, Vf=2.7-3.4V (TYP)
- LED Configuration: White LED backlight
Technical Comparison Summary
Interface Capabilities
- LS032I03-R-V1: 6-bit RGB interface (18-bit color)
- LS032I01-R-V1: RGB interface with ST7789T3 controller
- LSC032I02-R-V1: Dual RGB + Serial interfaces with 16-bit data bus
Viewing Angle Performance
- LS032I03-R-V1: IPS technology for widest viewing angles
- LS032I01-R-V1: ALL direction viewing capability
- LSC032I02-R-V1: Standard viewing characteristics
Application Suitability
- Industrial HMIs: All models suitable with varying interface preferences
- Consumer Electronics: LS032I03-R-V1 preferred for better viewing angles
- Embedded Systems: LSC032I02-R-V1 offers most interface flexibility
- Medical Devices: LS032I01-R-V1 with detailed specifications for regulated applications
Power Specifications
- Operating Voltage: 2.4V-3.3V typical across all models
- Interface Voltage: 1.65V-3.3V for logic levels
- Backlight Current: 80-100mA typical per LED string
- Temperature Range: -20°C to 70°C operating, -30°C to 80°C storage
Design and Integration Recommendations
PCB Layout Guidelines
- Power Decoupling: Place 100nF capacitors close to power pins
- Signal Integrity: Maintain controlled impedance for RGB signals
- ESD Protection: Implement TVS diodes on all interface lines
- Thermal Management: Ensure adequate heat dissipation for backlight
Software Implementation
- Initialization Sequence: Follow manufacturer's power-up sequence
- Timing Configuration: Set appropriate interface timing parameters
- Color Calibration: Implement gamma correction for optimal display
- Power Management: Utilize sleep modes when display not active
Mechanical Integration
- Mounting: Use recommended screw positions and torque values
- Connector Alignment: Ensure proper FPC connector engagement
- Gasket Selection: Use appropriate sealing for environmental protection
- Viewing Window: Follow recommended bezel dimensions for optimal viewing
Quality and Reliability
Testing Standards
- Visual Inspection: Performed under 300-700 Lux illumination
- Functional Testing: Complete interface and display verification
- Environmental Testing: Temperature, humidity, and vibration tests
- ESD Protection: HBM and CDM testing per industry standards
Lifetime Specifications
- Backlight Lifetime: 25,000 hours typical to 50% brightness
- Operating Life: 5+ years in typical applications
- MTBF: Calculated based on component reliability data
- Warranty: Standard 1-year warranty against manufacturing defects
Ordering Information
Model Selection Guide
| Application Requirement | Recommended Model |
|---|---|
| Wide viewing angle needed | LS032I03-R-V1 |
| Detailed specifications required | LS032I01-R-V1 |
| Multiple interface options | LSC032I02-R-V1 |
| Industrial HMI applications | All models suitable |
| Cost-sensitive designs | Contact for pricing |
Procurement Details
- Minimum Order Quantity: 300 pieces (standard models)
- Lead Time: 6-8 weeks (standard production)
- Packaging: Anti-static trays or reels
- Customization: Available for volume orders (10,000+ pieces)
- Technical Support: Available through LESSON engineering team
SEO Keywords for Technical Search
Primary Keywords:
- 3.2 inch TFT LCD display module
- 240x320 resolution display
- RGB interface display module
- ST7789 display controller
- Industrial TFT display
Secondary Keywords:
- a-Si TFT LCD module
- 262K color display
- Transmissive LCD display
- IPS display module
- Embedded display solution
Long-tail Keywords:
- 3.2 inch 240x320 TFT LCD with RGB interface
- ST7789P3 display driver module
- Industrial grade 3.2 inch display
- Wide temperature TFT LCD display
- Low power consumption 3.2 inch display
About LESSON Smart Display Technology
Lixin (Wan'an) Intelligent Display Technology Co., Ltd. (LESSON) specializes in the design and manufacture of high-quality TFT-LCD display modules for industrial, consumer, and embedded applications. With extensive experience in display technology and a commitment to quality and reliability, LESSON provides display solutions for demanding applications worldwide.
Document Revision: 1.0
Last Updated: March 5, 2026
Note: Specifications subject to change without notice. Contact LESSON for latest technical information and pricing.
