4 inch Square LCD Screen-MAXEN - TFT LCD Display Manufacturer, LCD Panel Factory, Touch Screen Supplier

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4 inch Square LCD Screen

Part NO: MX-B40FM30-IT02
► Size: 4.0"
► Resolution: 720*720 Pixels
► Display Mode: IPS
► Brightness: 350 Nits
► Interface: MIPI 30 PIN
► Touch Screen: Without (Optional)

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Description

MX-B40FM30-IT02 is 4 inch Square LCD Screen with full color 720*720 pixels. As for mechanical detail, it features active area of 71.93*71.93 mm, outline size of 83.7*83.7*3.06 mm. As an IPS, Normally Black, Transmissive LCM product, this 4.3 inch TFT LCD display can provides 350 cd/m²(Typ.) display brightness and 900:1 transimissive contrast ratio, 80/80/80/80 (Typ.) (CR≥10) full viewing angle. This 4 inch LCD Screen utilizes Digital MIPI interface, which connected by 30 pins FPC with power supply voltage of 3.3V (Typ.). This 4” LCD Screen is built with HX8394F driver IC. This 4 inch LCD Screen is suitable for smart home applications and wearable devices.

Product Structure
Drawing of 4 inch Square LCD Screen

LCD PIN Function (MIPI 30 PIN)

Pin No.	Symbol	Description
1	LEDA	Anode of LED backlight
2	LEDK1	Cathode of LED backlight
3	LEDK2	Cathode of LED backlight
4	VCI	Power supply
5	IOVCC	I/O Digital Voltage
6	RESET	Reset pin
7	TE	Tearing Effect pin
8	PWM	Pulse Width ModulaTIon
9	GND	Power ground
10	D0P	MIPI DATA POSITIVE SIGNAL (TDP0)
11	D0N	MIPI DATA NEGATIVE SIGNAL (TDN0)
12	GND	Power ground
13	D1P	MIPI DATA POSITIVE SIGNAL (TDP1)
14	D1N	MIPI DATA NEGATIVE SIGNAL (TDN1)
15	GND	Power ground
16	CLKP	MIPI DATA POSITIVE SIGNAL
17	CLKN	MIPI DATA NEGATIVE SIGNAL
18	GND	Power ground
19	D2P	MIPI DATA POSITIVE SIGNAL (TDP2)
20	D2N	MIPI DATA NEGATIVE SIGNAL (TDN2)
21	GND	Power ground
22	D3P	MIPI DATA POSITIVE SIGNAL (TDP3)
23	D3N	MIPI DATA NEGATIVE SIGNAL (TDN3)
24	GND	Power ground
25	NC(TP_INT)	No connect (Interrupt request to the host,or Wake up request from the host.)
26	NC(TP_SDA)	No connect (I2C data input and output.)
27	NC(TP_SCL)	No connect (I2C clock input.)
28	NC(TP_RESET)	No connect (External Reset, Low is active)
29	NC(TP_VCI)	No connect (Power supply for analog voltage)
30	NC(TP_IOVCC)	No connect (I/O Digital Voltage)

Absolute Maximum Ratings

Parameter	Symbol	Min	Max	Unit
Supply voltage for analog	VCI	-0.3	4.5	V
Supply voltage for logic	VCI	-0.3	4.5	V
Supply current (One LED)	I_LED	-	30	mA
Operating temperature	T_OP	-10	60	℃
Storage temperature	T_ST	-20	70	℃

Electrical Characteristics

Item	Symbol	Min.	Typ.	Max.	Unit
Supply Voltage for Analog	VCI	2.7	3.3	3.6	V
Supply Voltage for Logic	VCI	2.7	3.3	3.6	V
Input Voltage	V_IL	GND	-	0.3VDD	V
	V_IH	07VDD	-	VDD	V
Input leakage Current	I_LKG	-1	-	1	μA

Backlight Characteristics

Item	Symbol	Value			Unit	Remark
Item	Symbol	Min.	Typ.	Max.	Unit	Remark
Voltage for LED Backlight	V_F	-	12.8	-	V	I_L=40mA
Current for LED Backlight	I_L	-	40	-	mA	-
Power Consumption	P	-	0.576	-	W	-
LED Life Time	-	30,000	50,000	-	Hr	Note