2.1 inch Round LCD Display

Ideal for smart home panels, wearables, meters, and round UI devices.

Main Features

  • Part No. MX-R021NS40FS-N02
  • 2.1" Diagonal | 480x480 Pixels
  • Standard brightness 350 cd/m²
  • Full viewing angles (IPS)
  • 40-pin RGB interface
  • Built-in ST7701S driver IC

MX-R021NS40FS-N02

The 2.1 inch round lcd display with 480x480 resolution, 350 cd/m² brightness, and IPS full viewing angles. It features a 40-pin RGB interface and built-in ST7701S driver IC. Ideal for smart home panels, meters, and wearables. A high brightness 1000-nit version and MIPI interface option are available. Custom touchscreen upgrades supported.

2.1 inch round lcd display - banner
  • Standard Brightness

    350 nits (1000 nits optional)

  • Working Temp Range

    -20°C to 70°C

  • Interface

    40-pin RGB or 30-pin MIPI

  • Driver IC

    ST7701S

PIN NO. Symbol Description
1 LEDA LED backlight anode
2 LEDK1 LED backlight cathode
3 LEDK2 LED backlight cathode
4 GND Power ground
5 VCI Analog power supply
6 RESET Reset signal (low active)
7 IOVCC Power supply for the logic power and I/O circuit.
8 GND Power ground
9 SDA Serial data input pin in serial bus system interface.
10 SCK Pixel clock signal input pin.
11 CS Chip select
12 PCLK Pixel clock signal in RGB interface.
13 DE Data enable signal in RGB I/F mode.
14 VSYNC Vertical synchronizing signal input pin.
15 HSYNC Horizontal synchronizing signal input pin.
16-33 DB0-DB17 Data bus
34 GND Power ground
35 TP_INT INT pin for CTP
36 TP_SDA SDA pin for CTP
37 TP_SCL SCL pin for CTP
38 TP_RESET Reset pin for CTP
39 TP_VCI Power supply pin for CTP
40 GND Power ground

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 3.3 V
Luminance LV 350 cd/㎡
Contrastratio Cr 800 1000
Number of LED 1X4 Piece
LED forward voltage Vf 6 6.6 V
LED forward current If 80 mA
Connection mode S/P 1Serial/4Parallel

2.1 inch Round LCD Display Product Drawing
Tags:

ips lcd

480x480

round lcd display

FAQs

Frequently Asked Questions

Contact Us
Do you support OEM/ODM projects?

Yes, we offer full customization services for OEM and ODM clients.

Do you provide technical support?

Yes, our team offers pre-sales and after-sales technical assistance.

How long is your lead time?

Sample lead time is usually 1–2 weeks; mass production takes 4–6 weeks depending on the project.

What is your warranty policy?

We provide a 12-month warranty for most display and touch modules.

Can I get a datasheet or drawing before purchase?

Yes, technical documents like datasheets and 2D drawings are available upon request.

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