55 inch LCD Display

Ideal for high-end EV charging stations, luxury retail displays, and advanced smart city kiosks.

Main Features

  • Part No. MX-550QL51MFH-N02
  • 55" Diagonal | 3840x2160 Pixels
  • Ultra-high brightness 2000 cd/m²
  • Full viewing angles (IPS)
  • 51-pin LVDS interface
  • Wide operating temp -20℃ to 80℃

MX-550QL51MFH-N02

55 inch LCD Display MX-550QL51MFH-N02 pairs 3840x2160 4K UHD resolution with 2000 nits backlight, built specifically for premium outdoor digital signage requiring crisp visual details. Utilizing IPS full 89/89/89/89 viewing angles, this 55.0 inch display LCD keeps visuals perfectly consistent from any direction. The robust -20℃ to 80℃ working range guarantees stable operation within heat-prone enclosures under direct sunlight. Equipped with the standard 51-pin LVDS interface, the 4K TFT panel integrates seamlessly into large industrial systems, rendering this sunlight-readable module ideal for high-end EV charging stations, luxury retail displays, and advanced smart city kiosks.

55 inch 4k 3840x2160 sunlight readable outdoor lcd screen
  • Resolution

    55" 3840x2160 pixels

  • Ultra-high brightness 

    2000 nits

  • Working Temp Range

    -20°C to 80°C

  • Interface

    51-pin LVDS

LCM Pin Definition (51-pin LVDS)

Pin No. Symbol Description Pin No. Symbol Description
VLCD Power Supply +12.0V 27  GND Ground
VLCD Power Supply +12.0V 28  RxOn V-by-One HS Data Lane 0
VLCD Power Supply +12.0V 29  RxOp V-by-One HS Data Lane 0
VLCD Power Supply +12.0V 30  GND Ground
VLCD Power Supply +12.0V 31  Rx1n V-by-One HS Data Lane 1
VLCD Power Supply +12.0V 32  Rx1p V-by-One HS Data Lane 1
VLCD Power Supply +12.0V 33  GND Ground
VLCD Power Supply +12.0V 34  Rx2n V-by-One HS Data Lane 2
NC NO CONNECTION 35  Rx2p V-by-One HS Data Lane 2
10  GND Ground 36  GND Ground
11  GND Ground 37  Rx3n V-by-One HS Data Lane 3
12  GND Ground 38  Rx3p V-by-One HS Data Lane 3
13  GND Ground 39  GND Ground
14  PWM_TIN External VBR (From System) 40  Rx4n V-by-One HS Data Lane 4
15  PWM_TOUT External VBR (For System) 41  Rx4p V-by-One HS Data Lane 4
16  MODE_SELO MPLUS MODE SEL [1:0]
'01': High Luminance l
'10': High Luminance ll
42  GND Ground
17  MODE_SEL1 43  Rx5n V-by-One HS Data Lane 5
18  SDA SDA (For I2C) 44  Rx5p V-by-One HS Data Lane 5
19  SCL SCL (For I2C) 45  GND Ground
20  NC NO CONNECTION 46  Rx6n V-by-One HS Data Lane 6
21  Bit SEL H'or NC=10bit(D), 'L'=8bit 47  Rx6p V-by-One HS Data Lane 6
22  Data format L': Non division, 'H': 2 division 48  GND Ground
23  AGP or NSB
&M+Bypass
H': AGP, M+bypass
'L'or NC: NSB (No signal Black), M+
49  Rx7n V-by-One HS Data Lane 7
24  NC NO CONNECTION 50  Rx7p V-by-One HS Data Lane 7
25  HTPDN Hot plug detect 51  GND Ground
26  LOCKN Lock detect      

Backlight Interface Connection

CN2: Input terminal

PIN# Symbol Description
1~5 VDDB Operating Voltage Supply,+24V DC Regulated
6~10 GND Ground
11  NC Not connect
12  VBLON BL On-Off:
High (2.5~5.5V) for BL, Low/Open (0~0.5V) for BL off
13  PDIM DC Dimming
High (5.0V/100% Duty) for 100% Lum.
14  PDIM PWM Dimming
 High (OV/100% Duty) for 100% Lum.

 

CN3: Input terminal

PIN# Symbol Description
1~5 VDDB Operating Voltage Supply,+24V DC Regulated
6~10 GND Ground
11~14 NC No Connect

Absolute Maximum Ratings

Parameter Symbol Value Unit
Min Max
Power Input Voltage LCD Circuit VLCD -0.3  +14.0  VDC
T-Con Option Selection Voltage VLOGIC -0.3  +4.0  VDC
Operating Temperature Top -20  +80 
Storage Temperature (without packing) Tst -20  +80 
Panel Front Temperature
(Considering L/C Phase Transition Temperature)
Tpt - +80 
Operating Ambient Humidity Hop 10  90  %RH
Storage Humidity Hst 90  %RH

Electrical Characteristics

Parameter Symbol Value Unit
Min Typ Max
Circuit:
Power Input Voltage VLCD 10.8  12.0  13.2  VDC
Power Input Current ILCD - 965  1255  mA
- 1585  2060  mA
T-CON Option Selection Voltage Input High Voltage VIH 2.7  - 3.6  VDC
Input Low Voltage VIL - 0.7  VDC
Power Consumption PLCD - 11.6  15.1  Watt
- 19.0  24.7  Watt
Rush current IRUSH - - 10  A

LED Backlight Characteristics

Item Symbol Condition Min Typ Max Unit
Power Supply Input Voltage VDDB - 22.8  24  25.2  V
Power Supply Input Current lDDB VDDB=24V - 8.33  - A
Power Consumption PDDB VDDB=24V - 200  - Watt
Inrush Current lRUSH VDDB=24V - - TBD A
Control signal voltage Vsignal High VDDB=24V 2.5  - 5.5  V
Low - 0.8 
Control signal current lsignal VDDB=24V - - 1.5  mA
External PWM Duty ratio (input duty ratio) D_EPWM VDDB=24V - 100  %
External PWM Frequency F_EPWM VDDB=24V 100  - 1000  Hz
External DC Duty ratio (input duty ratio) D_E DC VDDB=24V 25  - 100  %
External DC Voltage V_E DC VDDB=24V - 5.0  V
External induction dimming (Duty ratio) VDDB=24V 25  - 100  %
Input Impedance Rin VDDB=24V TBD - - Kohm
LED lifetime LTLED - - 50,000 - Hr

55 inch LCD Display Product Drawing
Tags:

2000 nits screen

MX-550QL51MFH-N02

sunlight readable TFT

51-pin LVDS display

4K UHD display

3840x2160 LCD module

55 inch LCD display

55.0" outdoor LCD

FAQs

Frequently Asked Questions

Contact Us
What do you need to start a custom project?

Target size, resolution, interface, environment (indoor / outdoor) and estimated volume. Drawings or photos are helpful but not mandatory.

What kind of reliability and environmental tests can you cover?

We can follow standard display tests such as high/low temperature storage and operation, temperature cycling, humidity, ESD and basic vibration tests according to the agreed test plan.

How do you handle design or component changes during the product lifetime?

Design or key component changes are communicated in advance. We follow a controlled change process and can provide alternative solutions or second-source options where needed.

Do you support OEM/ODM projects?

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

What’s the lifespan of a typical TFT LCD?

Typically around 20,000 to 50,000 hours depending on backlight and usage.

Select Your Language