Overview
JicTech presents a high-quality 1.8-inch TFT LCD module designed for space-constrained applications requiring vivid color and low power. The module uses a transmissive normally white TFT panel with a resolution of 128xRGBx160 pixels. With a 3-wire SPI interface and built-in ST7735S driver IC, it simplifies firmware development and reduces wiring complexity. The LED backlight ensures excellent readability in various lighting conditions.
Key Features
- 1.8″ diagonal active area – 28.03 x 35.04 mm
- Ultra-compact size – 34.0 x 44.0 x 2.4 mm (H×V×T)
- 128×160 resolution (RGB vertical stripe)
- SPI 3-line interface – minimal GPIO usage
- ST7735S driver – well-supported, mature technology
- Wide temperature range – operating -20℃ to +70℃, storage -30℃ to +80℃
- High brightness – 200 cd/m² (typical)
- White LED backlight – 2 LEDs, long lifetime
- RoHS compliant – environmentally friendly
Applications
- Mobile phones & feature phones
- Portable gaming devices (PSP style)
- Wearables & smart watches
- Industrial HMIs & control panels
- GPS / navigation devices
- Medical handheld equipment
Technical Specifications
General Specifications
| Parameter | Value |
|---|
| LCD Type | TFT Transmissive, normally white |
| Number of Dots | 128 (RGB) × 160 |
| Pixel Arrangement | RGB Vertical Stripe |
| Active Area (W×H) | 28.03 mm × 35.04 mm |
| Module Size (H×V×T) | 34.0 mm × 44.0 mm × 2.4 mm |
| Driver IC | ST7735S |
| Interface | SPI 3-Lines |
| Backlight | 2 White LEDs |
| Viewing Direction | 12 o’clock (Eye side) |
| Weight | Approx. 6g (est.) |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|
| Supply voltage (logic) | Vcc | -0.3 | 4.6 | V |
| Input voltage (logic) | Vin | -0.3 | 4.6 | V |
| LED forward current (per LED) | ILED | – | 30 | mA |
| Operating temperature | TOP | -20 | +70 | ℃ |
| Storage temperature | TST | -30 | +80 | ℃ |
Electrical Characteristics (Ta=25℃)
| Item | Symbol | Min | Typ | Max | Unit |
|---|
| Logic supply voltage | Vcc | 2.5 | 2.8 | 3.3 | V |
| Input high voltage | VIH | 0.8×Vcc | – | Vcc | V |
| Input low voltage | VIL | -0.3 | – | 0.2×Vcc | V |
| LED forward voltage | Vf | 2.7 | 3.2 | 3.4 | V |
| LED current (per LED) | ILED | – | 15 | 20 | mA |
Optical Characteristics
| Item | Symbol | Condition | Typ | Unit |
|---|
| Brightness | B | Normal viewing angle | 200 | cd/m² |
| Contrast Ratio | CR | Center | 300 | – |
| Response Time (Tr+Tf) | – | – | 25 | ms |
| CIE Red (Rx, Ry) | – | – | 0.610, 0.329 | – |
| CIE Blue (Bx, By) | – | – | 0.567, 0.150* | – |
| CIE White (Wy) | – | – | 0.113* | – |
| Viewing Angle – Horizontal (θx+ / θx-) | – | CR≥10 | 50 / 60 | deg |
| Viewing Angle – Vertical (θy+) | – | CR≥10 | 45 | deg |
*Typical values based on specification; full color coordinates available upon request.
Interface Pin Function (10-pin FPC)
| Pin No. | Symbol | Description |
|---|
| 1 | GND | Ground |
| 2 | VCC | Power supply (2.8V typical) |
| 3 | SCL | Serial interface clock |
| 4 | SDI/SDA | Serial data input |
| 5 | RES | Reset (active low) |
| 6 | DC (NC) | No connect |
| 7 | CS | Chip select signal |
| 8 | DC (NC) | No connect |
| 9 | LEDA | Anode of LED backlight |
| 10 | LEDK | Cathode of LED backlight |
Reliability & Quality Assurance
Reliability Tests (Pass criteria)
- High temp operation: 70℃ for 96h (driving)
- Low temp operation: -20℃ for 96h (driving)
- High temp storage: 80℃ for 96h
- Low temp storage: -30℃ for 96h
- Humidity storage: 60℃ / 90%RH for 96h
- Thermal shock: -30℃ ↔ 80℃, 10 cycles
- Packing vibration & drop (ASTM-D-5327)
- ESD: Air ±4KV / Contact ±2KV
MTBF: 50,000 hours @ room temperature (25±5℃, 50±10%RH).
Quality Assurance (per MIL-STD-105E)
- Inspection level: General II, single sampling
- Major defect AQL: 0.65
- Minor defect AQL: 2.5
- Total defects AQL: 2.5
Appearance inspection: 20W×2 fluorescent light, distance 30±5cm, temperature 25±5℃, humidity 60±10%RH.
Handling & Storage Precautions
- Avoid external shock or excessive force on the display surface.
- Operate within absolute maximum ratings.
- Use grounded workstations and antistatic bags for storage.
- Storage: 25±10℃ / 50±10%RH, no direct sunlight or fluorescent light.
- Hand soldering: iron ≤280±10℃, <3 sec, max 2 reworks.
- Do not disassemble or ingest LCD fluid – hazardous substance.
Package Information
Modules are packed in anti-static trays and boxes. Final packaging details (tray quantity, box size) are available upon order confirmation. Please consult JicTech sales for custom packaging requirements.
Ordering & Support
This JicTech 1.8″ TFT LCD Module (Model RT018T2T-C04) is available for immediate sampling and mass production. For datasheet downloads, technical drawings, or a quotation, please contact our B2B support team.
Download product documentation manual: FULL SPEC-RT018T2T-C04
👉 Request a quote or sample – Email: bill@jictechlcd.cn (example) or use the inquiry form below.
