3.5 Inch TFT LCD Module 320×480 RGB
Build reliable HMIs with the JicTech 3.5″ TFT LCD Module. Featuring 320×480 resolution, 300 cd/m² brightness, 18‑bit RGB interface, and ultra‑thin 2.35mm profile, it delivers crisp 16.7M colors. ADS wide‑view technology, 500:1 contrast, and 69% NTSC. 如需数据表、样品或批量定价,请联系 JicTech,以便立即进行设计。.
概述
The JicTech RT035T8T-R3 is a compact 3.5‑inch TFT LCD module designed for cost‑effective industrial and consumer applications that require reliable performance and easy integration. Built on an ADS (IPS‑type) panel (normally white), it offers 320×RGB×480 pixel resolution, 16.7M colors, and a 12 o’clock optimal viewing direction with wide‑angle performance. The 18‑bit RGB parallel interface allows simple connection to a wide range of processors. With 300 cd/m² brightness and a slim 2.35mm thickness, this module is ideal for handheld devices, medical equipment, portable terminals, and industrial control panels.
主要功能
- 3.5” diagonal ADS (IPS‑type) panel – 12 o’clock best viewing direction, wide angle
- 320×480 resolution – sharp HVGA, 16.7M colors
- 模块尺寸 – 55.04 × 84.71 × 2.35 mm (W×H×T)
- 活动区域 – 48.96 × 73.44 mm
- 18‑bit RGB parallel interface – flexible, easy to integrate
- 亮度 – 300 cd/m² typical – readable indoors
- Contrast ratio – 500:1 typical
- 响应时间 – 35ms typical (Tr+Tf)
- 色域 – 69% NTSC typical
- 宽工作温度 -20℃至+70
- 背光 – 6 white LEDs (series), 20mA total current
- 驱动集成电路 – ILI9488 (well‑supported, mature)
- 符合 RoHS 标准
应用
- Portable medical devices (patient monitors, diagnostic tools)
- 工业人机界面和控制面板
- Handheld test & measurement equipment
- 智能家居网关和安全面板
- 汽车辅助显示器
- Consumer electronics with compact form factor
技术规格
一般规格
| 参数 | 价值 |
|---|---|
| 液晶显示屏尺寸 | 3.5 英寸 |
| 面板类型 | a-Si TFT active matrix, ADS (IPS-type, Normally White) |
| 决议 | 320 (RGB) × 480 pixels |
| 显示模式 | Normally White / Transmissive |
| 颜色数量 | 1670 万(每种颜色 8 位) |
| 观看方向 | 12 点钟方向(最佳视角) |
| 对比度 | 500 : 1 (typical) |
| 亮度(亮度) | 300 cd/m² (typical) |
| 模块尺寸(宽×高×长) | 55.04 × 84.71 × 2.35 mm |
| 有效面积(宽×高) | 48.96 × 73.44 毫米 |
| 像素间距 | 0.153 × 0.153 毫米 |
| 驱动集成电路 | ILI9488 |
| 界面 | 18‑bit RGB (parallel, 18-bit bus) |
| 背光 | 6 white LEDs (series connection) |
| 工作温度 | -20 ~ +70 °C |
| 存储温度 | -30 ~ +80 °C |
绝对最大额定值
| 参数 | 符号 | 最小 | 最大 | 单位 |
|---|---|---|---|---|
| 工作温度 | 返回顶部 | -20 | +70 | °C |
| 储存温度 | Tst | -30 | +80 | °C |
| 湿度 | RH | - | 90(60°C 时) | % |
DC Characteristics (Ta=25°C)
| 参数 | 符号 | 最小 | 类型 | 最大 | 单位 |
|---|---|---|---|---|---|
| 逻辑电源电压 | VCC/VCI | 2.5 | 2.8 | 3.6 | V |
| I/O power supply | IOVCC | 2.5 | 2.8 | 3.6 | V |
| 输入电流 | Idd | - | 27 | 33 | 毫安 |
| 输入高电压 | VIH | 0.7×IOVCC | - | IOVCC | V |
| 输入低电压 | VIL | VSS | - | 0.3×IOVCC | V |
Backlight Characteristics (Ta=25°C, constant current)
| 参数 | 符号 | 最小 | 类型 | 最大 | 单位 | 条件 |
|---|---|---|---|---|---|---|
| 正向电压 | Vf | 18.0 | 19.2 | 20.4 | V | 如果=20 毫安 |
| LED current | 如果 | - | 20 | - | 毫安 | Constant current |
Optical Characteristics (Ta=25°C, If=20mA)
Contrast RatioCRNormal angle-500–
| 项目 | 符号 | 条件 | 最小 | 类型 | 最大 | 单位 |
|---|---|---|---|---|---|---|
| Luminance (center) | Lv | 正常角度 | - | 300 | - | cd/m² |
| 亮度均匀性 | δ白色 | - | 80 | - | - | % |
| 响应时间 (Tr+Tf) | - | TC=25°C | - | 35 | - | 毫秒 |
| 视角 (3:00) | θ | CR≥10 | - | 70 | - | 退化 |
| 视角(9:00) | θ | CR≥10 | - | 70 | - | 退化 |
| 视角(6:00) | θ | CR≥10 | - | 60 | - | 退化 |
| 视角 (12:00) | θ | CR≥10 | - | 40 | - | 退化 |
| 白色 CIE (x,y) | Wx, Wy | 正常角度 | 0.255,0.253 | - | 0.377,0.378 | - |
| NTSC 比率 | S | - | - | 69% | - | % |
Interface Pin Connection (parallel RGB)
| 针脚编号. | 符号 | 输入/输出 | 说明 |
|---|---|---|---|
| 1 | BLK | P | 背光阴极 |
| 2 | BLA | P | 背光阳极 |
| 4 | 接地 | P | 系统接地 |
| 5 | VCC | P | Analog power supply (2.5~3.3V) |
| 6 | IOVCC | P | I/O power supply (2.5~3.3V) |
| 7-9 | IM2-IM0 | I | Interface mode select (101 for SPI+RGB 18-bit) |
| 10 | TE | O | 撕裂效果输出 |
| 11 | SDO | O | SPI data out |
| 12 | SDI | I | SPI data in |
| 13 | D/C | I | 数据/命令选择 |
| 14 | WR/SCL | I | Write strobe / SPI clock |
| 15 | RD | I | Read strobe |
| 16 | CS | I | 芯片选择(低电平有效) |
| 17 | 重置 | I | 复位(低电平有效) |
| 24-41 | D17-D0 | 输入/输出 | 18‑bit RGB data bus (D17 to D0) |
| 42 | DE | I | 数据使能(高电平有效) |
| 43 | PCLK | I | Pixel clock |
| 44 | HSYNC | I | 水平同步(负极性) |
| 45 | VSYNC | I | 垂直同步(负极性) |
Full 45‑pin pinout including NC pins available in the datasheet. Interface mode is set by IM2-IM0 (default SPI+RGB 18-bit).
可靠性和质量保证
可靠性测试项目(通过标准)
- High temperature storage: 80℃, 24H
- Low temperature storage: -30℃, 24H
- High temperature operation: 70℃, 24H
- Low temperature operation: -20℃, 24H
- Temperature cycle (non‑operation): -20℃ ↔ 70℃, 30min each, 5 cycles
- Damp proof test: 60℃ / 90% RH, 12H
- Mechanical vibration: 10Hz~55Hz~10Hz, 1.5mm, X/Y/Z, 0.5H (packed)
- Drop test: 1.0m height, one time each side (packed)
- ESD test: Air ±8kV / Contact ±4kV, 330Ω/150pF, 10 times each
失败判断: No display defects, no glass crack, current Idd < 2x initial value, contrast ratio ≥50% of initial, and full electrical/optical functionality.
质量保证(符合 GB2828 / MIL-STD-105E 同等标准)
- 检查级别:一般 II 级,单一抽样
- 主要缺陷 AQL:0.065
- 小缺陷 AQL:0.065
- Inspection conditions: distance 250mm, temperature 25±5°C, angle 45°
处理和储存注意事项
- 避免机械冲击或跌落 - 玻璃面板易碎。.
- 如果 LCD 液体泄漏,立即用肥皂和水清洗皮肤/衣服;切勿吞咽。.
- 使用接地工作站和防静电袋进行处理和储存。.
- 储存:0~35°C,40~601TPT3T 相对湿度,置于密封的聚乙烯袋中,避免阳光直射。.
- Hand soldering: use grounded iron, avoid flux spatters on display area.
- 请勿拆卸或改装模块 - 保修无效。.
Packing Method
模块放置在防静电托盘中,用泡沫保护堆叠,用纸板固定,并用纸箱密封。可根据要求提供详细的包装图纸。.
订购与支持
The JicTech RT035T8T-R3 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-RT035T8T-R3
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