Home Products TFT LCD Display Round Type TFT Display 4 inch Round LCD Screen

4 inch Round LCD Screen

Ideal for high-resolution smart interfaces, round dashboards, and modern embedded devices.

Main Features

Part No. MX-R040WM30FS-N01
4" Diagonal | 720x720 Pixels
Standard brightness 320 cd/m²
Full viewing angles (IPS)
30-pin MIPI interface
Built-in JD9365DA driver IC

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MX-R040WM30FS-N01

MX-R040WM30FS-N01 is a 4 inch round LCD screen with 720×720 resolution, 320 cd/m² brightness, and IPS full viewing angles. It features a 30-pin MIPI interface and JD9365DA driver IC, offering stable performance in compact designs. Ideal for smart home devices, circular control panels, and embedded applications. Touch panel customization is available on request.

4 inch 720x720 ips round tft lcd screen - banner

Standard Brightness

320 nits (Optional with 1000 nits)
Working Temp Range

-20°C to 70°C
Interface

30-pin MIPI
Driver IC

JD9365DA

LCM PIN Definition (30-pin MIPI)
Absolute Maximum Ratings
Electrical Characteristics
Product Drawing

PIN NO.	Symbol	Description
1	LEDA	LED backlight anode
2	LEDK	LED backlight cathode
3	LEDK	LED back light cathode
4	VCI	Power supply for the analog power.
5	IOVCC	Power supply for the logic power and I/O circuit.
6	RESET	Reset signal (low active)
7	TE	Tearing effect output
8	PWM	The PWM frequency output for LCD driver control.
9	GND	Power ground
10	TDP0	MIPI-DSI data lane 0 posivtve input pin.
11	TDN0	MIPI-DSI data lane 0 negtive input pin.
12	GND	Power ground
13	TDP1	MIPI-DSI data lane 1 posivtve input pin.
14	TDN1	MIPI-DSI data lane 1 negtive input pin.
15	GND	Power ground
16	TCP	MIPI-DSI data lane posivtve input pin.
17	TCN	MIPI-DSI data lane negtive input pin.
18	GND	Power ground
19	TDP2	MIPI-DSI data lane 2 posivtve input pin.
20	TDN2	MIPI-DSI data lane 2 negtive input pin.
21	GND	Power ground
22	TDP3	MIPI-DSI data lane 3 posivtve input pin.
23	TDN3	MIPI-DSI data lane 3 negtive input pin.
24	GND	Power ground
25	TP_INT	INT pin for CTP
26	TP_SDA	SDA pin for CTP
27	TP_SCL	SCL pin for CTP
28	TP_RESET	Reset pin for CTP
29	TP_VCI	VCI pin for CTP
30	TP_IOVCC	IOVCC pin for CTP

Parameter	Symbol	Min.	Max.	Unit
Operating temperature	Topr	-20	70	℃
Storage temperature	Tstg	-30	80	℃

Parameter	Symbol	Min	Typ	Max	Unit
Supply voltage for analog circuit	VCI	2.5	2.8	3.6	V
Supply voltage for logic circuit	IOVCC	1.65	1.8	3.6	V
Input voltage 'H' level	VIH	0.7*IOVCC	—	IOVCC	V
Input voltage 'L' level	VIL	GND	—	0.3*IOVCC	V
Output voltage 'H' level	VOH	0.8*IOVCC	—	IOVCC	V
Output voltage 'L' level	VOL	GND	—	0.2*IOVCC	V
LED forward voltage	Vf	—	24	—	V
LED forward current	If	—	40	—	mA
LCM Luminance	Lv	—	320	—	cd/㎡
Number of LED	—	4X2			Piece
Connection mode	S/P	4Serial/2Parallel			—