3.5 inch tft display screen

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All of our screens undergo rigorous testing to ensure that they meet our high standards. In addition, we offer a wide range of 3.5 inch tft screens to choose from, so you can find the perfect one for your needs.

Whether you’re looking for a specific size or color, we have a 3.5 inch tft screen that will suit your requirements. Contact us today to learn more about our products and services.

DESCRIPTION

HC-350CJ4008 is a 3.5 inch tft LCD display module with optional resistive touch screen and capacitive touch screen control with a resolution of 320×480 pixels. This size TFT LCD is in portrait mode with wider viewing angle by POL adjustment, Left: 70 / Right: 70 / Top: 60 / Bottom: 60 degrees (typical). Optional RTP or CTP.

This HC-350CJ4008 module has built-in ST7796S controller IC, supports RGB interface, power supply voltage (VCC) range is 3.0V to 3.6V, brightness is 480 nits (typ), and contrast ratio is 800:1. This module is a medical device , communication equipment, household appliances and other industrial ideals. The module can operate at temperatures from -20°C to +70°C; its storage temperature range is -30°C to +80°C.

DRAWING

SPECIFICATIONS

General Specifications

Item	Contents	Unit
Size	3.5	inch
LCM Dimension	55.48（W）* 84.71（H） * 2.30(T)	mm
LCD Active Area	48.96* 73.44	mm
Number Of Dots	320×480	pixel
LCD Type	a-Si TFT
Viewing Direction	12 o’clock
Driver IC	ST7796S
Interface Type	RGB
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight Type	6 LEDs
Brightness	480	cd/m2

Interface

LCM PIN Definition

NO.	Symbol	Description
1	GND	Ground
2	GND	Ground
3	LEDA	BACKLIGHT ANODE
4	LEDA	BACKLIGHT ANODE
5-10	LEDK	BACKLIGHT CATHODE
11	GND	Ground
12-17	R0-R5	Data Bus
18-23	G0-G5	Data Bus
24-29	B0-B5	Data Bus
30	GND	Ground
31	PCLK	Dot Clock Signa
32	RESET	Reset pin
33	HSYNC	Line Synchronizing Signal
34	VSYNC	Frame Synchronizing Signal
35	DE	Data Enable Signal
36	CS	Chip Select
37	SDA	Serial Data Input
38	SCL	Serial  Clock
39	VDD	POWER SUPPLY
40	VDD	POWER SUPPLY

DC Characteristics

Item	Symbol	Min	Typ	Max	Unit
TFT gate on voltage	VGH	—	15	—	V
TFT gate off voltage	VGL	—	-10	—	V
TFT common electrode Voltage	Vcom	—	-1	—	V

Typical Operation Conditions

Item	Symbol	Min.	Typ.	Max.	Unit
Analog Supply Voltage	VCI	2.5	2.8	3.3	V
Digital Supply Voltage	VDD	2.5	2.8	3.3	V
I/O Supply Voltage	IOVCC	1.65	1.8/2.8	3.3	V
Input High Voltage	VIH	0.8*IOVCC	–	IOVCC	V
Input Low Voltage	VIL	0	–	0.2*IOVCC	V
Output High Voltage	VOH	0.8*IOVCC	–	–	V
Output Low Voltage	VOL	–	–	0.2*IOVCC	V

Backlight Circuit Characteristics

Item	Symbol	Min.	Typ.	Max.	Unit
LED Current	IB	15	—	20	mA
LED Voltage	Vf	16.8	—	19.20	V
CIE	X	0.265	0.295	0.325
	Y	0.26	0.29	0.32
Brightness of LCM	L	400	480	—	cd/m2

Reliability Test Items

Test Item	Test Parameters	Key factors for determining test results
High temperature storage	80±3 ℃，48H；
Low temperature storage	-30±3 ℃，48H；
High temperature storage	70±3 ℃，48H；	Inspection after 2~4hours storage at roomtemperature,
Low temperature operation	-20±3 ℃，48H；	the sample shall be free from defects:
High temperature/humidity	60℃±3 ℃,90%±3%RH ，48H；	1.Air bubble in the LCD;
Thermal Shock	~20℃/0.5h~+70℃/0.5h for a total 24 cycles；	2.Non-display;
Vibration Test	Frequency 10Hz~55Hz~10Hz	3.Glass crack;
	Amplitude：1.5mm, X，Y，Z
	direction for total 1H；	4. The electrical
	(Packing condition)
ESD test	±4KV, Human Body Mode,	characteristics requirements shall be satisfied.
	150pF/330Ω；
	±8KV, Air Mode, 150pF/330Ω；

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