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4 inch Square LCD Screen
  • 4 inch Square LCD Screen
  • 4 inch Square LCD Screen
  • 4 inch Square LCD Screen
  • 4 inch Square LCD Screen

4 inch Square LCD Screen

Model NO: MX-B40FM30-IT02
► Size: 4.0"
► Resolution: 720*720 Pixels
► Display Mode: IPS
► Brightness: 350 Nits
► Interface: MIPI 30 PIN
► Module Size: 83.70x83.70x3.06 mm
► Active Area: 71.93x71.93 mm
► Display Color: 16.7M
► Driver IC: HX8394F
► LED Life Time: 30,000 Hr (Min.)
► Touch Screen: Without (Optional)
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    MAXEN 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, MX-B40FM30-IT02 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


    LCD PIN Function

    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)

    ILED

     

    30

    mA

    Operating temperature

    TOP

    -10

    60

    Storage temperature

    TST

    -20

    70


    Electrical Characteristics

    Item

    Symbol

    Min.

    Typ.

    Max.

    Unit

    Applicable terminal

    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

    VIL

    GND

    -

    0.3VDD

    V

     

    VIH

    07VDD

    -

    VDD

    Input leakage Current

    ILKG

    -1

     

    1

    μA


    Backlight Characteristics

    Item

    Symbol

    Value

    Unit

    Remark

    Min.

    Typ.

    Max.

    Voltage for LED Backlight

    VF

    -

    12.8

    -

    V

    IL=40mA

    Current for LED Backlight

    IL

     

    40

     

    mA

     

    Power Consumption

    P

     

    0.576

     

    W

     

    LED Life Time

     

    30,000

     

     

    Hr

    Note

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