Overview
The JicTech JT035VWHVCS-A1 is a compact 3.5‑inch TFT LCD module designed for space‑constrained industrial and consumer applications that require reliable performance and easy integration. Built on a TN panel (normally white), it offers 320×RGB×480 pixel resolution, 16.7M colors, and a 6 o’clock optimal viewing direction. The 1‑lane MIPI DSI interface simplifies connection to modern processors while maintaining low EMI. With 350 cd/m² brightness and a slim 2.05mm thickness, this module is ideal for handheld devices, medical equipment, portable terminals, and industrial control panels.
Key Features
- 3.5” diagonal TN panel – 6 o’clock best viewing direction
- 320×480 resolution – sharp HVGA, 16.7M colors
- Module size – 54.48 × 84.71 × 2.05 mm (W×H×T)
- Active area – 48.96 × 73.44 mm
- MIPI DSI interface – 1‑lane, high‑speed, low pin count
- Brightness – 350 cd/m² typical – readable indoors
- Contrast ratio – 500:1 typical
- Response time – 20ms typical (Tr+Tf)
- Wide operating temperature – -20℃ to +70℃
- Backlight – 6 white LEDs, 20mA total current
- Driver IC – ST7796S (well‑supported, mature)
- RoHS compliant
Applications
- Portable medical devices (patient monitors, diagnostic tools)
- Industrial HMIs & control panels
- Handheld test & measurement equipment
- Smart home gateways & security panels
- Automotive auxiliary displays
- Consumer electronics with compact form factor
Technical Specifications
General Specifications
| Parameter | Value |
|---|
| LCD Size | 3.5 inch |
| Panel Type | a-Si TFT active matrix, TN (Normally White) |
| Resolution | 320 (RGB) × 480 pixels |
| Display Mode | Normally White / Transmissive |
| Number of Colors | 16.7M (8‑bit per color) |
| Viewing Direction | 6 o’clock (best view) |
| Gray Inversion Direction | 12 o’clock |
| Contrast Ratio | 500 : 1 (typical) |
| Luminance (Brightness) | 350 cd/m² (typical) |
| Module Size (W×H×T) | 54.48 × 84.71 × 2.05 mm (±0.2) |
| Active Area (W×H) | 48.96 × 73.44 mm |
| Pixel Pitch | 0.153 × 0.153 mm |
| Driver IC | ST7796S |
| Interface | MIPI DSI (1‑lane) |
| Backlight | 6 white LEDs |
| Operating Temperature | -20 ~ +70 °C |
| Storage Temperature | -30 ~ +80 °C |
Absolute Maximum Ratings
| Parameter | Symbol | Min | Max | Unit |
|---|
| Operating temperature | Top | -20 | +70 | °C |
| Storage temperature | Tst | -30 | +80 | °C |
| Humidity | RH | – | 90 (at 60°C) | % |
DC Characteristics (Ta=25°C)
| Parameter | Symbol | Min | Typ | Max | Unit |
|---|
| Logic supply voltage | VDD | 2.5 | 2.8 | 3.3 | V |
| Input current | Idd | – | 25 | 36 | mA |
| Input High Voltage | VIH | 0.7×VDD | – | VDD | V |
| Input Low Voltage | VIL | VSS | – | 0.3×VDD | V |
Backlight Characteristics (Ta=25°C, constant current)
| Parameter | Symbol | Min | Typ | Max | Unit | Condition |
|---|
| Forward voltage | Vf | – | 19.2 | – | V | If=20mA |
| LED current | If | – | 20 | – | mA | Constant current |
Optical Characteristics (Ta=25°C, If=40mA)
| Item | Symbol | Condition | Min | Typ | Max | Unit |
|---|
| Contrast Ratio | CR | Normal angle | – | 500 | – | – |
| Luminance (center) | Lv | Normal angle | – | 350 | – | cd/m² |
| Luminance Uniformity | δ WHITE | – | 80 | – | – | % |
| Response Time (Tr+Tf) | – | TC=25°C | – | 20 | 40 | ms |
| Viewing Angle (3:00) | θ | CR≥10 | – | 70 | – | deg |
| Viewing Angle (9:00) | θ | CR≥10 | – | 70 | – | deg |
| Viewing Angle (6:00) | θ | CR≥10 | – | 60 | – | deg |
| Viewing Angle (12:00) | θ | CR≥10 | – | 60 | – | deg |
| White CIE (x,y) | Wx, Wy | Normal angle | 0.257,0.277 | 0.307,0.327 | 0.357,0.377 | – |
| NTSC Ratio | S | – | – | 60% | – | % |
Interface Pin Connection (15‑pin FPC – MIPI DSI)
| Pin No. | Symbol | I/O | Description |
|---|
| 1 | GND | P | System ground |
| 2 | LEDA | P | Backlight anode |
| 3 | LEDK | P | Backlight cathode |
| 4 | GND | P | System ground |
| 5 | DONI | I | MIPI data lane (negative) |
| 6 | DOPI | I | MIPI data lane (positive) |
| 7 | GND | P | System ground |
| 8 | CLKN | I | MIPI clock (negative) |
| 9 | CLKP | I | MIPI clock (positive) |
| 10 | GND | P | System ground |
| 11 | RESET | I | Reset input (active low) |
| 12 | TE | O | Tearing effect output (PFM/FRM output) |
| 13 | IOVCC | P | I/O power supply (1.8~3.3V) |
| 14 | VCI | P | Analog power supply (2.8~3.3V) |
| 15 | GND | P | System ground |
Reliability & Quality Assurance
Reliability Test Items (Pass Criteria)
- High temperature storage: 80±2℃, 48H
- Low temperature storage: -30±2℃, 48H
- High temperature operation: 70±2℃, 48H
- Low temperature operation: -20±2℃, 48H
- Thermal shock: -20℃ ↔ 70℃, 30min each, 10 cycles
- ESD test: Air ±6kV / Contact ±4kV, 330Ω/150pF, 5 points each
Failure judgment: After test, contrast ratio ≥50% of initial value, no display defects, and full electrical/optical functionality.
Quality Assurance (per MIL-STD-105E)
- Inspection level: General II, single sampling
- Major defect AQL: 0.65
- Minor defect AQL: 1.5
- Test conditions: 25±5℃, 45±20% RH, 40W fluorescent lamp, 30cm viewing distance, 0°~45° left/right/up/down
Handling & Storage Precautions
- Avoid mechanical shock or dropping – glass panel is fragile.
- If LCD fluid leaks, wash skin/clothes immediately with soap and water; do not ingest.
- Use grounded workstations and anti‑static bags for handling and storage.
- Storage: 0~35℃, 40~60% RH, in sealed polyethylene bag, no direct sunlight.
- Hand soldering: 320℃~350℃, max 10 seconds per pad, avoid repeated heating.
- Do not disassemble or modify the module.
Packing Method
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 JT035VWHVCS-A1 is available for engineering samples and mass production. For a complete datasheet, 2D drawing, or a quotation, please contact our B2B sales team.
Download product specification document: FULL-SPEC-JT035VWHVCS-A1
📩 Request a quote or sample – email us today or use the inquiry form below.
