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LM55P4 55" RNB LCD Monitor with 0.44 mm bezel

The latest version of Mitsubishi Electric’s popular LM55 55” professional-grade LCD monitor takes LCD video wall performance to the next level. The feature-packed LM55P4 achieves a bezel width of just 0.44mm, virtually eliminating obtrusive gaps between individual displays for a truly stunning, near-seamless LCD video wall. LM55P4 provides an attractive, high-specification and cost-effective alternative to DLP video walls where installation space and budget is limited.


The LM55P4 offers Full HD (1920x1080 pixel) performance and is rated for 100,000 hours operation. High brightness and contrast, together with an anti-glare screen surface makes it an excellent choice for small control rooms, breakout suites or meeting rooms. Built-in dynamic brightness controls ensure screens are always perfectly colour balanced and tiling compensation ensures accurate screen geometry is maintained. LM55P4 is equipped with an OPS slot for extended functionality and features DisplayPort™ (1.2a), HDMI (HDR supported), DVI-D (with HDCP) and analogue video inputs. Monitors can be daisy-chained together for DisplayPort™ to create simple video wall applications with no external controller required.












  • 55"
  • 700 cd/m²
  • Full HD
  • RNB
  • 0.88 mm bezel to bezel

Focus on your content, not on the bezel
At just 0.44mm, the bezels on the LM55P4 are barely noticeable in operation. Combining all the advantages of LCD videowall with a virtually seamless display allows you to focus completely on the mission, not on the screen.

Dynamic Brightness Balance
The LM55P4 LCD Display Monitor is equipped with a built-in brightness sensor that makes measurements every 10 seconds. The Dynamic Brightness Balancing circuit then communicates the brightness data to all of the monitors and automatically performs the necessary adjustments to maintain optimum brightness uniformity across the entire display wall.

4K Resolution with DisplayPortTM 
Using DisplayPortTM 1.2a, easily configure four LM55P4 monitors in a 2x2 format via daisy-chain connection to achieve a 4K display (3,840 x 2,160) with stunning colors and clarity.
Contact the nearest dealership for recommended graphic boards.







Supports OPS-standard computers​
LM55P4 features an optional slot for Intel® OPS computer, enabling easy integration in digital signage applications.The new VC-LM1HD optional OPS module supports HDCP long-distance signal transmission, up to 100 meters or 328 feet with CAT 6 (STP) cables. 

DS280 (i7-6822EQ, 4+4GB DDR4,SSD) Advantech Co., Ltd.
*Please contact the nearest dealership.​

Reverse scan
Reverses direction of image scanning to smoothly play enlarged video on multiple displays.



Reverse scan mode off                                            Reverse scan mode on

Frame Compensation
Frame compensation supports up to 225 displays in 15x15 configuration to avoid image distortion at the seams, ensuring image accuracy when spread across multiple screen displays.

Frame compensation off​                 Frame compensation on 


Screen size



Full HD 1920x1080 pixels

LCD type

TFT LCD (IPS panel)

Light source

LED (Direct)

Life Time (Typ.)

100,000 hours

Surface Treatment

Anti-glare (Haze 28%)

Bezel Width

0.44 mm


700 cd/m² @ High Bright Mode, 500 cd/m² @ Standard Mode, 450 cd/m² @ Panel Saving Mode

Response time

8 ms (typ. G-to-G)

Color Depth

1.07 Billion (10 bit)

Contrast ratio

1100 :1

Viewing angle (H/V)


Display orientation

Landscape / Portrait


Dynamic brightness balancing, Daisy-chainable DisplayPort™ (DP1.2a) Up to 9 units: DisplayPort™ SST signal *4 supported One of any input signals including OPS can be looped out. Scaling function: up to 15x15 Screen saver Reverse scan mode

Video signal terminal

HDMI™ (HDR supported) x1, DisplayPort™ (1.2a , HDR supported x1, DVI-D (with HDCP) x1, D-Sub 15 x1 (YPbPr supported)

Control signal terminal

RS-232C, D-Sub 9 pins (input, output), Wired remote, IR Receiver (input, output, LAN: RJ45 x 1 (10Base-T/100Base-TX)

Power consumption

0.5 W Stand-by state, 180 W@ Standard Mode / 250 W @ High Bright Mode

Thermal dissipation

614 BTU/h @ Standard Mode / 853 BTU/h @ High Bright Mode

Operating current (100/240 V)

3.0/1.5 Amp


DisplayPortTM cable (1.8 m), RS-232C cable (1.8 m): D-sub 9 pins – 2.5 mm phone plug RS-232C cable (4 m): 2.5 mm phone plugs on both ends, User’s manual, Plastic ties

Optional Accessories

Remote Control kit DP-02RK / SDI input board DP-1SDI-3G / Long-distance transmission VC-LM1HD

Optional Slot

Intel® OPS slot x 1