3.9 英寸 TFT LCD 模块 - 400×128 显示屏

The 3.9″ TFT LCD module from JicTech features a 400×128 resolution display with vivid colors and compact design. With RGB interface options, it’s ideal for wearables, handheld devices, embedded systems, and IoT applications.

JicTech 3.9-Inch TFT LCD Module

概述

The JicTech RT039T9T-A1 is a 3.9-inch TFT LCD module with a resolution of 480×128 pixels. Utilizing a-Si TFT technology and a normally white transmissive display mode, it supports 16.7 million colors via dithering. The module features a 24-bit RGB interface (HV mode), high brightness, wide viewing angles, and a slim mechanical design, making it suitable for space-constrained and harsh-environment applications.


主要功能

  •  3.9-inch diagonal, 480×128 resolution (wide horizontal format)

  •  High brightness: 500 cd/m² typical

  •  Wide viewing angle: 70° (left/right/down), 50° (up)

  •  Slim design: 105.5 × 40.64 × 2.95 mm

  •  24-bit RGB interface (supports HV & DE mode)

  •  High contrast ratio: 500:1 typical

  •  Long-life LED backlight: 25,000 hours

  •  工作温度:-20°C 至 +70°C

  •  RoHS compliant, reliable for industrial use


技术规格

类别参数规格
一般情况模型RT039T9T-A1
显示屏尺寸3.9 inches
活动区域95.04 × 25.34 mm
决议480 × 128 pixels
像素间距0.198 × 0.198 mm
显示颜色16.7M (via dithering)
显示模式Normally White
像素配置RGB Vertical Stripe
观看方向12 o’clock
驱动集成电路ILI6480
表面处理硬涂层 (HC)
电气电源电压 (VDD)3.0V 至 3.6V(典型值 3.3V)
Analog Voltage (AVDD)5.2V to 5.6V (Typ. 5.2V)
界面24-bit RGB (HV mode)
Connector Type40-pin FPC (FH12-40S-0.5SH or equivalent)
光学亮度(白)400 cd/m² min, 500 cd/m² typ
对比度400:1 min, 500:1 typ
视角(CR ≥ 10)Left/Right/Down: 70° typ, Up: 50° typ
Response Time (Ton + Toff)Ton: 10 ms typ, Toff: 15 ms typ
色域(NTSC)Approx. 50%
亮度均匀性75% min, 80% typ
Chromaticity (White, CIE1931)Wx: 0.31 typ, Wy: 0.33 typ
背光光源10 white LEDs (5S2P configuration)
LED Forward Current40 mA typical (20 mA per LED)
LED Forward Voltage16V typical (3.2V per LED)
Backlight Power待定
背光灯寿命25,000 hours (to 50% initial brightness)
机械模块尺寸105.5 × 40.64 × 2.95 mm
重量To be determined (±5% tolerance)
环境工作温度-20°C 至 +70°C
存储温度-30°C至+80°C
可靠性测试合规性High/low temp storage & operation, thermal shock, vibration, shock, ESD, drop test

接口和引脚说明

The module uses a 40-pin FPC connector. Key pins include:

  • VBL+, VBL-: Backlight anode and cathode

  • VCC: Logic supply (3.3V)

  • R0–R7, G0–G7, B0–B7: 24-bit RGB data

  • CLK: Pixel clock

  • HSYNC, VSYNC: Horizontal and vertical sync signals

  • DEN: Data enable (internal weak pull-down)

  • DISP: Display on/off control

  • XR, YD, XL, YU: Reserved for touch panel (NC in this version)


Power Sequence & Timing

  • Power-On: VDD → PVDD → AVDD → Signals → Backlight

  • Power-Off: Backlight → Signals → AVDD → PVDD → VDD

  • Clock Frequency: 24 MHz to 30 MHz (27 MHz typical)

  • Frame Rate: ~17.28 kHz in 24-bit RGB mode

  • Detailed timing parameters are provided in Section 6 of the specification.


应用

  • 工业控制面板和人机界面

  • 便携式医疗和诊断设备

  • 手持终端和扫描仪

  • Instrumentation and measurement displays

  • Automotive auxiliary displays

  • Narrow-format information displays


可靠性测试

The module is subjected to comprehensive environmental and reliability tests, including:

  • 高/低温运行和储存

  • Thermal shock cycling (-30°C to +80°C)

  • Vibration and mechanical shock resistance

  • ESD protection (±8kV air, ±4kV contact)

  • Package drop testing (80 cm height)


机械图纸和尺寸

Refer to the mechanical drawing in the specification for detailed dimensions, mounting holes, and connector placement. Key highlights:

  • Module outline: 105.5 mm (W) × 40.64 mm (H) × 2.95 mm (D)

  • Bezel opening: 98.04 mm × 28.34 mm

  • Active area: 95.04 mm × 25.34 mm

  • FPC connector positioned for easy integration


包装信息

  • Standard packing supports 80 pieces per carton

  • Custom packaging options available for volume orders

  • Anti-static and moisture-protective materials used

  • Packing method ensures safe transport and handling


处理和预防措施

  • Avoid mechanical shock and direct pressure on the display surface.

  • 在操作和装配过程中使用 ESD 保护装置。.

  • Clean only with isopropyl alcohol or ethyl alcohol; avoid water, ketones, and aromatic solvents.

  • Store in a dry, dark environment (0°C to 40°C, ≤80% RH).

  • Follow recommended power sequence to prevent damage.


为什么选择本模块?

The JicTech RT039T9T-A1 combines a unique wide-format display with high brightness, robust construction, and long-term reliability. Its slim profile and industrial-grade performance make it an ideal choice for applications requiring a compact yet durable display solution. Whether for industrial controls, portable devices, or specialty instruments, this module delivers consistent performance and excellent visual clarity.


准备好整合了吗?
Contact us for samples, pricing, and technical support. Let’s bring your narrow-format display project to life with JicTech quality and reliability.

 

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