3.9-Inch Bar-Type TFT LCD Module – 480×128 with RGB24 Interface

This 3.9-inch bar-type TFT LCD module features a 480×128 resolution with a wide viewing format, 6 o’clock viewing direction, and an RGB24-bit (SYNC mode) interface. It is designed for automotive instrument clusters, smart home control panels, audio equipment, and specialty bar-type HMI applications. The anti-glare surface and ultra-slim 3.05mm profile make it an excellent choice for space-constrained products requiring a premium viewing experience. The Normally White transmissive TFT offers excellent readability in various lighting conditions.

주요 기능

Bar-Type Form Factor – 480×128 resolution optimized for automotive, smart home, and audio display applications
6 o’clock Viewing Direction – Optimized for dashboard and downward viewing applications
RGB24-bit Interface – SYNC mode interface for high-speed video data transfer
초슬림 디자인 – 3.05mm module thickness for space-constrained designs
넓은 작동 온도 – 까다로운 환경에서 -20°C ~ +70°C
눈부심 방지 표면 – 반사를 줄여 다양한 조명 조건에서 가독성을 높여줍니다
Normally White TFT – High brightness and excellent readability for dashboard applications
HX8278-A Driver IC – High-performance driver optimized for bar-type TFT displays
No Touch Panel – Cost-effective solution for applications not requiring touch interaction
Wide Aspect Ratio – Elongated format ideal for instrument clusters and control panels

기술 사양

매개변수	사양
크기	3.9-inch diagonal (Bar Type)
도트 매트릭스	480 x RGB x 128
모듈 치수	105.5 x 37.0 x 3.05 mm
활성 영역	95.04 x 25.34 mm
도트 피치	0.066 (W) x 0.198 (H) mm
화면 비율	Bar Type
LCD 유형	TFT, 정상 시 백색, 투과형
방향 보기	6 o’clock
그레이스케일 반전 방향	12 o’clock
인터페이스	RGB24-bit (SYNC mode)
드라이버 IC	HX8278-A or Equivalent
백라이트 유형	LED, 기본 백색
터치 패널	터치 패널 없음
표면 처리	눈부심 방지
작동 온도	-20°C ~ +70°C
보관 온도	-30°C ~ +80°C
Supply Voltage (VCC)	3.0V ~ 3.6V (Typ. 3.3V)
Supply Current (ICC)	15mA ~ 25mA (Typ. 15mA)

핀 인터페이스

핀	기호	설명
1	VLED-	LED 백라이트 음극
2	VLED+	LED 백라이트 양극
3	GND	시스템 접지
4	VCC	논리 회로용 전원 공급 장치
5-12	R0~R7	Red Data Bus
13-20	G0~G7	Green Data Bus
21-28	B0~B7	Blue Data Bus
29	GND	시스템 접지
30	DCLK	Pixel Clock
31	DISP	Display On/Off Control
32	HSYNC	Horizontal Sync Signal
33	VSYNC	Vertical Sync Signal
34-35	NC	No Connection (Optional DE)
36	GND	시스템 접지
37-40	NC	No Connection (Optional Touch)

애플리케이션

This bar-type TFT LCD module is designed for a variety of consumer, automotive, and industrial applications where elongated displays are required:

Automotive Instrument Clusters – Ideal for dashboard displays, gauge clusters, and vehicle information panels
Smart Home Control Panels – Perfect for smart thermostats, home automation hubs, and control interfaces
Audio Equipment – Suitable for DJ mixers, audio interfaces, studio equipment, and musical instruments
산업용 제어 패널 – Elongated HMI interfaces for machine controls and process monitoring
Retail Displays – Digital shelf labels, price tags, and promotional information displays
Smart Appliances – Display panels for washing machines, refrigerators, and other smart home appliances
의료 장비 – Compact displays for portable diagnostic devices and monitoring equipment

사용자 지정 옵션

당사는 특정 프로젝트 요구 사항을 충족할 수 있도록 유연한 맞춤 설정을 제공합니다:

터치 패널 – Resistive touch panel integration available upon request (pins 37-40 reserved)
밝기 – 다양한 환경에 맞춰 백라이트 밝기를 조절할 수 있습니다
인터페이스 – 요구 사항에 따라 다양한 인터페이스 옵션을 선택할 수 있습니다
FPC – FPC 길이, 커넥터 유형 및 핀 배열을 고객 맞춤형으로 제작 가능
작동 온도 – Extended temperature range versions available for automotive applications
표면 처리 – Optional surface treatments including anti-glare or hard coating
LCM 조립 – 맞춤형 기계적 통합 및 하우징 솔루션 제공

선택 가이드

When selecting this bar-type TFT LCD module for your project, consider the following factors:

화면 해상도 – 480×128 provides wide format ideal for dashboard and control panel applications
인터페이스 호환성 – RGB24-bit SYNC mode requires 24 data lines plus sync signals; ensure your MCU/SoC supports parallel RGB output
보기 방향 – 6 o’clock viewing direction optimized for dashboard and downward viewing applications
새로고침 빈도 – RGB interface enables high-speed frame updates ideal for animation and interactive UI elements
전원 사양 – VCC range 3.0V~3.6V with typical current 15mA
운영 환경 – Temperature range -20°C to +70°C suitable for automotive and industrial applications
터치 통합 – No touch panel included, but available as a customization option
장착 공간 – Module dimension 105.5 x 37.0 mm with 3.05mm thickness; verify mechanical clearance in your design

자주 묻는 질문

What is the viewing direction of this TFT display?

This display has a 6 o’clock viewing direction, making it ideal for dashboard and downward viewing applications. The gray scale inversion direction is 12 o’clock.

이 모듈에 터치 패널이 포함되어 있나요?

No, this version does not include a touch panel. It is designed as a display-only module for applications not requiring touch interaction. Resistive touch integration is available as a customization option (pins 37-40 are reserved for touch).

이 디스플레이는 어떤 인터페이스를 사용하나요?

The module uses an RGB24-bit interface in SYNC mode with DCLK, HSYNC, and VSYNC signals. DE mode is also optional (pins 34-35 reserved).

일반적인 전력 소비량은 어느 정도인가요?

Typical current consumption is 15mA at 3.3V VCC during normal operation.

What type of LCD is this?

This is a Normally White transmissive TFT display, offering high brightness and excellent readability for dashboard applications.

샘플을 제공해 주실 수 있나요?

네, 평가용 샘플 제품을 제공해 드리고 있습니다. 샘플 요청 양식을 통해 필요한 사항을 제출해 주시기 바랍니다.

운전자 지원 서비스가 제공되나요?

Yes, we provide initialization code, datasheets, and technical support for integration. The HX8278-A driver IC is well-supported with readily available driver libraries.