1.22-inch TFT LCD Module – 240×204 IPS Display

개요

The RTO12T4I-A1 is a 1.22-inch TFT LCD Module designed for applications requiring a compact, high-quality display. It features a transmissive panel with normal white mode, SPI interface, and an integrated white LED backlight. With its small footprint and reliable performance, it is suitable for portable electronics, industrial controls, and consumer devices.

주요 기능

1.22-inch TFT transmissive display with 240×240 RGB resolution
SPI 3-wire interface for simplified connectivity
Wide viewing angle with 12 o’clock viewing direction
White LED backlight with consistent brightness
Compact module size: 24.76mm (W) × 28.35mm (H) × 1.48mm (T)
Driver IC: ST7735S (compatible with ST7789V)
Low power consumption, suitable for battery-powered devices
RoHS 준수

기술 사양

카테고리	매개변수	기호	Min	Typ	최대	단위	참고
일반	LCD 유형	–	–	TFT Transmissive, Normal White	–	–	–
	Number of Dots	–	–	240(RGB) × 240	–	Dots	RGB Vertical Stripe
	활성 영역	–	–	21.96 × 21.96	–	mm	–
	모듈 크기	–	–	24.76 × 28.35 × 1.48	–	mm	허용 오차 ±0.2mm
	보기 방향	–	–	12 O’clock	–	–	–
	드라이버 IC	–	–	ST7735S (ST7789V compatible)	–	–	–
	인터페이스	–	–	SPI 3-wire (SDI/SDO)	–	–	–
	백라이트	–	–	2 White LEDs	–	–	Harvatek, 350–400mcd
절대 평점	Supply Voltage (Logic)	Vcc	-0.3	–	4.6	V	–
	Input Voltage (Logic)	VIN	-0.3	–	4.6	V	–
	LED 전류(LED당)	ILED	–	–	30	mA	–
	작동 온도	TOP	-20	–	+70	°C	–
	보관 온도	TST	-30	–	+80	°C	–
전기	로직 공급 전압	Vcc	2.5	2.8	3.3	V	VDD terminal
	저전압 입력	VIL	-0.3	–	0.2VDD	V	–
	고전압 입력	VIH	0.8VCC	–	VCC	V	–
	LED 순방향 전압	Vf	2.7	3.2	3.4	V	–
	LED Current (Typical)	ILED	–	40	–	mA	Per LED
광학	밝기	B	200	–	–	cd/m²	–
	명암비	CR	–	300	–	–	–
	Response Time (Tr+Tf)	–	–	25	–	ms	–
	Viewing Angle (Horizontal)	θx±	50	60	–	deg	CR≥10
	Viewing Angle (Vertical)	θy±	45	–	60	deg	CR≥10
	NTSC 비율	–	–	55.3	–	%	–
신뢰성	고온 작동	–	70°C, 96h, powered	–	–	–	–
	저온 작동	–	-20°C, 96h, powered	–	–	–	–
	고온 스토리지	–	80°C, 96h, unpowered	–	–	–	–
	저온 스토리지	–	-30°C, 96h, unpowered	–	–	–	–
	Humidity Storage	–	60°C, 90%RH, 96h	–	–	–	–
	열 충격	–	-30°C ↔ +80°C, 10 cycles	–	–	–	–
	Vibration Test	–	10–55Hz, 1.5mm, XYZ 2h each	–	–	–	–
	ESD 보호	–	Air: ±4kV; Contact: ±2kV	–	–	–	–
품질	AQL(주요 결함)	–	–	0.65	–	–	MIL-STD-105E 레벨 II
	AQL(경미한 결함)	–	–	2.5	–	–	–
	MTBF	–	–	50,000 hours	–	–	정상 조건에서

Interface Pinout

핀	기호	설명
1	GND	Ground
2	LED-K	LED Cathode
3	GND	Ground
4	LED-A	LED Anode
5	VCC	Power Supply (2.8V)
6	CS	Chip Select
7	RES	Reset (Low Active)
8	DC(NC)	No Connect
9	SCK	Serial Clock
10	SDA	Serial Data Input
11–15	CTP pins	Touch Panel Interface (3.0V)
16	GND	Ground

애플리케이션

Mobile Phones
Portable Gaming Devices (PSP)
PDAs & Handheld Terminals
GPS Navigation Systems
Industrial Control Panels
Medical Monitoring Devices
소비자 가전

Packaging & Handling

Modules are packed in anti-static trays and boxes.
Recommended storage: 25±10°C, 50±10% RH, away from sunlight.
ESD protection required during handling.
Soldering temperature not to exceed 280°C for ≤3 seconds.

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JicTech delivers reliable, high-quality LCD modules with consistent performance, rigorous testing, and comprehensive quality assurance. This module is backed by extensive reliability validation, clear optical specs, and detailed inspection standards—making it a trusted choice for your embedded display needs.