3.9‑inch TFT LCD Module – 400×128 Display

JicTech 3.9-Inch TFT LCD Module

개요

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.

주요 기능

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
Operating temperature: -20°C to +70°C
RoHS compliant, reliable for industrial use

기술 사양

카테고리	매개변수	사양
일반	모델	RT039T9T-A1
	디스플레이 크기	3.9 inches
	활성 영역	95.04 × 25.34 mm
	해상도	480 × 128 pixels
	픽셀 피치	0.198 × 0.198 mm
	디스플레이 색상	16.7M (via dithering)
	디스플레이 모드	일반적으로 흰색
	Pixel Configuration	RGB 세로 줄무늬
	보기 방향	12 o’clock
	드라이버 IC	ILI6480
	표면 처리	Hard Coating (HC)
전기	공급 전압(VDD)	3.0V ~ 3.6V(통상 3.3V)
	아날로그 전압(AVDD)	5.2V to 5.6V (Typ. 5.2V)
	인터페이스	24-bit RGB (HV mode)
	Connector Type	40-pin FPC (FH12-40S-0.5SH or equivalent)
광학	휘도(흰색)	400 cd/m² min, 500 cd/m² typ
	명암비	400:1 분, 500:1 타이핑
	시야각(CR ≥ 10)	Left/Right/Down: 70° typ, Up: 50° typ
	응답 시간(톤 + 토프)	톤: 통상 10ms, 토프: 통상 15ms
	색재현율(NTSC)	Approx. 50%
	휘도 균일성	75% min, 80% typ
	Chromaticity (White, CIE1931)	Wx: 0.31 typ, Wy: 0.33 typ
백라이트	광원	10 white LEDs (5S2P configuration)
	LED Forward Current	40 mA typical (20 mA per LED)
	LED 순방향 전압	16V typical (3.2V per LED)
	백라이트 전원	To be determined
	백라이트 수명	25,000 hours (to 50% initial brightness)
기계	모듈 치수	105.5 × 40.64 × 2.95 mm
	무게	To be determined (±5% tolerance)
환경	작동 온도	-20°C ~ +70°C
	보관 온도	-30°C ~ +80°C
신뢰성	테스트 규정 준수	High/low temp storage & operation, thermal shock, vibration, shock, ESD, drop test

인터페이스 및 핀 설명

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.

애플리케이션

Industrial control panels and HMIs
Portable medical and diagnostic devices
Handheld terminals and scanners
Instrumentation and measurement displays
Automotive auxiliary displays
Narrow-format information displays

신뢰성 테스트

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

High/low temperature operation and storage
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)

기계 도면 및 치수

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

포장 정보

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

취급 및 주의사항

Avoid mechanical shock and direct pressure on the display surface.
취급 및 조립 시 ESD 보호 기능을 사용하세요.
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.

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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.

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