Overview
The JicTech JC0128I2BSR-1A is a premium 1.28‑inch TFT LCD module designed for applications demanding vivid color, wide viewing angles, and compact size. Built around an IPS panel (normally black) with 240×RGB×240 pixel resolution, it delivers exceptional image quality from any direction. The SPI 3‑line plus control pins interface reduces wiring complexity, while the GC9A01 driver ensures smooth performance. Whether you’re developing a smartwatch, medical device, or industrial panel, this module offers the reliability and optical performance your project needs.
Key Features
- 1.28” diagonal IPS panel – true full viewing angles (80° in all directions)
- 240×240 resolution – sharp, vibrant 262K colors
- Ultra-compact module size – 35.6 × 37.74 × 1.6 mm (W×H×T)
- Active area – 32.4 × 32.4 mm, perfect for round or square UI designs
- SPI interface (3-wire + control lines) – easy connection to MCUs
- High brightness – 300 cd/m² typical
- High contrast ratio – 1100:1 typical
- Fast response time – 30ms typical (Ton+Toff)
- Wide operating temperature – -20℃ to +70℃
- Low power backlight – 2 white LEDs, 40mA total
- Driver IC – GC9A01 with built-in RAM
Applications
- Smartwatches & fitness trackers
- Portable gaming devices
- Smart home control panels
- Medical handheld equipment
- Automotive dashboard displays
- Industrial HMIs & IoT terminals
Technical Specifications
General Specifications
| Parameter | Value |
|---|
| LCD Size | 1.28 inch |
| Panel Type | IPS (Normally Black) |
| Resolution | 240 × RGB × 240 pixels |
| Number of Colors | 262K |
| Viewing Direction | All (Full angle) |
| NTSC | 60% (typical) |
| Contrast Ratio | 1100 : 1 (typical) |
| Luminance (Brightness) | 300 cd/m² (typical) |
| Module Size (W×H×T) | 35.6 × 37.74 × 1.6 mm |
| Active Area (W×H) | 32.4 × 32.4 mm |
| Pixel Pitch | 0.135 × 0.135 mm |
| Pixel Arrangement | RGB Vertical Stripe |
| Driver IC | GC9A01 |
| Interface | SPI 3‑wire + control pins |
| Backlight | 2 White LEDs |
| Operating Temperature | -20 ~ +70 ℃ |
| Storage Temperature | -30 ~ +80 ℃ |
Pin Assignments (13-pin FPC)
| Pin No. | Symbol | Function |
|---|
| 1 | LEDK | LED cathode |
| 2 | LEDK | LED cathode |
| 3 | LEDA | LED anode |
| 4 | GND | Ground |
| 5 | TE | Tearing effect signal pin |
| 6 | SDA | Serial data pin |
| 7 | D/C | Data/Command control pin |
| 8 | SCL | Serial clock pin |
| 9 | CS | Chip select pin |
| 10 | RESET | Reset signal pin (active low) |
| 11 | VDD | Power supply (2.5~3.3V) |
| 12 | VDD | Power supply (2.5~3.3V) |
| 13 | GND | Ground |
Absolute Maximum Ratings
| Item | Symbol | Min | Max | Unit |
|---|
| Analog Supply Voltage | VCI | -0.3 | +4.6 | V |
| Digital Supply Voltage | VCC | -0.3 | +4.6 | V |
Typical Operating Conditions (Ta=25°C)
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|
| Analog Supply Voltage | VCI | 2.5 | 2.8 | 3.3 | V |
| Digital Supply Voltage | VCC | 2.5 | 2.8 | 3.3 | V |
| I/O Supply Voltage | IOVCC | 1.65 | 1.8/2.8 | 3.3 | V |
| Input High Voltage | VIH | 0.8×IOVCC | – | IOVCC | V |
| Input Low Voltage | VIL | – | – | 0.2×IOVCC | V |
Backlight Circuit Characteristics
| Item | Symbol | Min | Typ | Max | Unit |
|---|
| LED Current (total) | IB | – | 40 | – | mA |
| LED Forward Voltage | Vf | 3.0 | 3.2 | 3.4 | V |
| Backlight Power Consumption | PBL | – | 128 | – | mW |
Optical Characteristics (Ta=25°C)
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|
| Viewing Angle (Left/Right/Top/Bottom) | θL/θR/θT/θB | CR＞10 | 75 | 80 | – | deg |
| Response Time (Ton+Toff) | – | θ=Φ=0° | – | 30 | 35 | ms |
| Contrast Ratio | CR | θ=Φ=0° | – | 1100 | – | – |
| Luminance | L | θ=Φ=0° | – | 300 | – | cd/m² |
| White Chromaticity (x,y) | Wx, Wy | Normal | – | 0.324, 0.347 | – | – |
| Red Chromaticity (x,y) | Rx, Ry | θ=Φ=0° | – | 0.644, 0.333 | – | – |
Reliability & Quality Assurance
Reliability Test Items (Pass Criteria)
- High temperature storage: 80℃ ±3℃, 48H
- Low temperature storage: -30℃ ±3℃, 48H
- High temperature operation: 70℃ ±3℃, 48H
- Low temperature operation: -20℃ ±3℃, 48H
- High temperature & humidity: 60℃ ±3℃ / 90%RH, 48H
- Thermal shock: -20℃ ↔ 60℃, 0.5h each, 5 cycles
- Vibration test: 10Hz~55Hz~10Hz, 1.5mm, X/Y/Z, 1H (packed)
- ESD test: Air ±8KV, Contact ±6KV (150pF/330Ω)
Sample size: 2pcs per test. Failure criteria: electrical, mechanical, or optical defects.
Process Capability (CPK) & FAI
The module meets tight mechanical tolerances verified by initial FAIs (see specification page 10-11). Key dimensions: 35.6±0.15mm, 37.74±0.15mm, thickness 1.56±0.1mm, all within CPK ≥1.33.
Handling & Storage Precautions
- Do not disassemble or modify the LCD module.
- Avoid mechanical shock or excessive pressure on the display surface.
- Soldering conditions: 320℃~350℃, max 10 seconds per pad, avoid repeated heating.
- Storage: 23℃±5℃, 55%±15% RH, anti-static container, max 12 months.
- Use grounded workstations and anti-static bags during handling.
Packing Method (Reference)
Modules are placed in anti-static trays, stacked with foam protection, fixed with cardboard, and sealed in cartons. Detailed packing drawings available upon request.
Ordering & Support
The JicTech JC0128I2BSR-1A is available for engineering samples and mass production. For a datasheet, 2D drawing, or a quotation, please contact our B2B sales team.
Download product documentation manual: SPEC- JC0128I2BSR-1A
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