LG Ultrawide 34WN780-B 34" 21:9  UW-QHD LED LCD Monitor

LG Ultrawide 34WN780-B 34" UW-QHD LED LCD Monitor - 21:9 - Textured Black - 863.60 mm Class - In-plane Switching (IPS) Technology - 3440 x 1440 - 16.7 Million Colours - Adaptive Sync/FreeSync - 300 cd/m² - 5 ms - 75 Hz Refresh Rate - HDMI - DisplayPort

34" 21:9 UltraWide™ QHD

Wider View to Get More Done

See more, do more. The 34-inch UltraWide® QHD (3440x1440) resolution allows you to edit clips of footage and simultaneously run different programs. You can edit, code and review, while enjoying the immersive and clear visual experience on a rich, vivid IPS screen that's accurate at wide angles.


Enjoy the Latest HDR Videos and Games

HDR10 elevates picture quality for a more dynamic visual immersion experience and enhanced color of HDR content. HDR10 is the digital HDR standard based on the sRGB 99% color gamut. A true difference in color and brightness.

Full Movement of Display

Perfectly Follow Your Eye Level

Enhanced flexibility of the Ergo stand offers expanded ergonomic adjustment of extend, retract, swivel, height and tilt as well as providing perfect position of screen for more comfortable and sustainable user experience.

Clutter-Free Desk Setup

Fully Use Your Desk

The compact design takes up very little desk surface and also contributes to easier installation.

OnScreen Control

Control with a Few Clicks

You can customize the workspace by splitting the display or adjusting basic monitor options with just a few mouse clicks.

Reader Mode

Less Blue, Improved Visual Comfort

Reducing blue light to help lessen eye fatigue, Reader Mode creates a screen with a color temperature similar to paper and provides optimal condition for reading.

Flicker Safe

Care for Eyes

Flicker Safe reduces invisible flickering on the screen and provides a more comfortable working environment for your eyes.


36 months

  • 5 ms GTG response time makes it excellent for latest action films, sports or gaming
  • Enjoy crisp content and energetic hues with the 300 cd/m² brightness
  • The 3440x1440 resolution with UltraWide Quad HD mode amazingly sharp picture quality
  • LED backlight enhances display performance that delivers an outstanding colour range and contrast ratios
  • 21:9 aspect ratio provides the best display for video recorded in the CinemaScope format
  • HDMI (High Definition Multimedia Interface) offers fantastic sound/video quality and single-cable comfort
  • VESA mount compatibility allows you to mount the display on a wall or with a stand depending on your specific needs
  • DisplayPort interface that transmits both audio and video signals through a single connection to deliver versatile performance

Technical Specs


Environmentally Friendly Yes

Technical Information

Aspect Ratio 21:9
Pixel Pitch 0.23 mm
Response Time 5 ms GTG
Features DynaMic Action Sync Technology
FPS Mode
High Dynamic Range (HDR)
On-screen Display (OSD)
Cable Lock Slot
Smart Energy Saving
Black Stabilizer Technology
Security Lock
Removable Stand
Reading Mode
Super+ Resolution Technology
OnScreen Control
Mount Type Wall Mountable
Viewable Screen Size 34"
Screen Mode UW-QHD
Number of Screens 1
HDCP Supported Yes
Horizontal Viewing Angle 178°
Vertical Viewing Angle 178°
Backlight Technology LED
Panel Technology In-plane Switching (IPS) Technology
Adjustable Stand Height Yes
Vertical Frequency 48 Hz to 75 Hz - DisplayPort (FreeSync)
48 Hz to 75 Hz - HDMI
48 Hz to 75 Hz - HDMI (FreeSync)
48 Hz to 75 Hz - DisplayPort
Screen Size Class 863.60 mm
Stand Adjustments Tilt


Speakers Yes
Number of Speakers 2

Power Description

Operating Power Consumption 67 W
Energy Consumption per Year 57 kWh


Number of USB Ports 3
DisplayPort Yes
Number of HDMI Inputs 2
Number of DisplayPorts 1


Brightness 300 cd/m²
Color Supported 16.7 Million Colours
Maximum Resolution 3440 x 1440
Standard Refresh Rate 75 Hz
Native Contrast Ratio 1,000:1
Tearing Prevention Technology Adaptive Sync/FreeSync
Color Gamut 99% sRGB (CIE 1931)

General Information

Product Type LCD Monitor
Manufacturer Part Number 34WN780-B
Manufacturer Website Address http://www.lg.com/au
Manufacturer LG Electronics
Product Model 34WN780-B
Product Name 34'' UltraWide Ergo QHD IPS HDR Monitor with FreeSync™
Product Line Ultrawide
Brand Name LG

Physical Characteristics

Weight (Approximate) 6.90 kg
Height 365.3 mm
Width 816.5 mm
Depth 45.5 mm
Weight with Stand (Approximate) 10.80 kg
VESA Mount Compatible Yes
VESA Mount Standard 100 x 100
Height with Stand 612.40 mm
Width with Stand 816.50 mm
Depth with Stand 406.40 mm
SKU 34WN780-B
Brand LG
Unit Of Measure ea
Type StockedItem

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