LG UltraWide 34" QHD 75Hz IPS HDR Monitor | 34WN780P-B.AEK
SKU: 34WN780P-B.AEK
£444.55 (Excl. VAT)
£444.55 (Excl. VAT)

34" 21:9 UltraWide™ QHD
More Space for Multi-Tasking
The UltraWide™ QHD screen (3440x1440 resolution, 21:9 aspect ratio) is great for work. This allows for monitoring of large amounts of footage for video editing, and numerous audio plugins and effects can be displayed at once.
HDR10
Detailed Contrast
HDR technology is now applied to various content. This monitor is compatible with industry-standard HDR10 high dynamic range, based on the sRGB 99% color gamut, supporting specific levels of color and brightness that enable viewers to enjoy the dramatic colors of the content.
Full Movement of Display
Perfectly Follow Your Eye Level
Enhanced flexibility of the Ergo stand offers expanded ergonomic adjustment of extension, retraction, swivel, height, and tilt as well as providing the perfect position of the screen for a more comfortable and sustainable user experience.

Extend / Retract 0~180mm
Swivel ± 280˚
Height 0~130mm
Tilt ± 25˚
Clutter-Free Desk Setup
Fully Use Your Desk
The compact design takes up very little desk surface and also contributes to easier installation.
One Click Mount
Multi Ports
A Variety of Interface
Supporting HDMI, DisplayPort, and USB 3.0
C-Clamp & Grommet
Easy Cable Management
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 conditions 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.
| DISPLAY | |
|---|---|
| Size (Inch) | 34 Inch |
| Size (cm) | 86.72 cm |
| Resolution | 3440 x 1440 |
| Panel Type | IPS |
| Aspect Ratio | 21:9 |
| Pixel Pitch | 0.2325 x 0.2325 mm |
| Brightness (Min.) | 240 cd/m² |
| Brightness (Typ.) | 300 cd/m² |
| Color Gamut (Min.) | sRGB 95% (CIE1931) |
| Color Gamut (Typ.) | sRGB 99% (CIE1931) |
| Contrast Ratio (Min.) | 700:1 |
| Contrast Ratio (Typ.) | 1000:1 |
| Response Time | 5ms (GtG at Faster) |
| Viewing Angle (CR≥10) | 178º(R/L), 178º(U/D) |
| Surface Treatment | Anti-Glare |
| Curved | NO |
| FEATURES | |
|---|---|
| HDR 10 | YES |
| VESA DisplayHDR™ | NO |
| HDR Effect | YES |
| Nano IPS™ Technology | NO |
| Wide Color Gamut | NO |
| Color Calibrated | YES |
| HW Calibration | NO |
| Auto Brightness | NO |
| Flicker safe | YES |
| Reader Mode | YES |
| Color Weakness | YES |
| Super Resolution+ | YES |
| Motion Blur Reduction Tech. | NO |
| NVIDIA G-Sync™ | NO |
| AMD FreeSync™ | YES |
| FreeSync (Low Frame Compensation) | NO |
| Black Stabilizer | YES |
| Dynamic Action Sync | YES |
| Crosshair | NO |
| FPS Counter | NO |
| OverClocking | NO |
| User Define Key | NO |
| Auto Input Switch | NO |
| Sphere Lighting | NO |
| PBP | NO |
| PIP | NO |
| Smart Energy Saving | YES |
| Camera | NO |
| Mic | NO |
| SW APPLICATION | |
|---|---|
| True Color Pro | NO |
| Dual Controller | YES |
| OnScreen Control (LG Screen Manager) | YES |
| LG UltraGear™ Control Center | NO |
| CONNECTIVITY | |
|---|---|
| D-Sub | NO |
| DVI | NO |
| HDMI | YES (2ea) |
| HDMI (Max. Resolution at Hz) | 3440 x 1440 8bit @ 75Hz |
| DisplayPort | YES (1ea) |
| DP Version | 1.4 |
| DP (Max. Resolution at Hz) | 3440 x 1440 8bit @ 75Hz |
| Mini DisplayPort | NO |
| Thunderbolt | NO |
| Thunderbolt(USB-C Compatibility) | NO |
| Thunderbolt (Data Transmission) | NO |
| USB-C | NO |
| USB-C (DP Alternate Mode) | NO |
| USB-C (Data Transmission) | NO |
| Daisy Chain | NO |
| USB Upstream Port | YES (1ea/ver3.0) |
| USB Downstream Port | YES (2ea/ver3.0) |
| Audio In | NO |
| Mic In | NO |
| Headphone out | YES |
| Line out | NO |
| SOUND | |
|---|---|
| Speaker | YES |
| Speaker Output (unit) | 7W |
| Speaker Channel | 2ch |
| Bluetooth Connectivity | NO |
| Maxx Audio | YES |
| POWER | |
|---|---|
| Type | External Power (Adapter) |
| AC Input | AC 100 - 240V 50/60 Hz |
| Power Consumption (Typ.) | 45W |
| Power Consumption (Max.) | 67W |
| Power Consumption (Sleep Mode) | Less than 0.5W |
| Power Consumption (DC Off) | Less than 0.3W |
| MECHANICAL | |
|---|---|
| Display Position Adjustments | Tilt/Height/Swivel/Extend/Retract |
| Wall Mountable | 100 x 100 mm |
| DIMENSIONS/WEIGHT | |
|---|---|
| Dimension with Stand (W x H x D) | 816.5 x 612.4 x 406.4mm(Up) 816.5 x 482.4 x 406.4mm(Down) |
| Dimension without Stand (W x H x D) | 816.5 x 365.3 x 45.5 mm |
| Dimension in Shipping (W x H x D) | 940.0 x 516.0 x 268.0 mm |
| Weight with Stand | 10.8 kg |
| Weight without Stand | 6.9 kg |
| Weight in Shipping | 15.2 kg |
| ACCESSORY | |
|---|---|
| D-Sub | NO |
| DVI-D | NO |
| HDMI | Yes |
| Display Port | NO |
| mDP to DP | NO |
| Thunderbolt | NO |
| USB Type C | NO |
| USB Type C to A Gender | NO |
| USB A to B | NO |
| USB3.0 Upstream Cable | NO |
| PC Audio | NO |
| Remote Controller | NO |
| Others (Accessory) | 'DC Extension cable 1.2m Black w/ Holder, Grommet, LG Cover Sheet' |
Standard Warranty for LG Products
The estimated standard warranty for LG products varies.
Please refer to the below guide, which references general warranty periods beginning from the original purchase date.
Please note: the below is intended as a guide only, and T&Cs may vary depending on your model and product use.
Warranty for LG Monitors
Labour : 24 Months
Parts: 24 Months
NOTE: The manufacturer warranty period is the same for consumer and commercial usage.
Warranty Terms and Conditions:
Replacement Units or Parts may be new or remanufactured service exchanges that are equivalent to new in performance and reliability.
The LG warranty does not cover any of the following actions:
a) Periodic checkups, maintenance, and repair or replacement of parts due to normal wear and tear.
b) Cost relating to transport, removal, or installation of the product.
c) Misuse, including failure to use the product for its normal purposes or incorrect installation.
d) Damage caused by Lightning, Water, Fire, Acts of God, War, Public Disturbances, incorrect mains voltage, improper or insufficient ventilation, or any other cause beyond the reasonable control of LG.
The LG manufacturer warranty is only valid when accompanied by the original invoice, sales receipt, or confirmation from LGE UK of the warranty period.
If the serial number is defaced, missing, or illegible, the warranty with LGE UK is null and void. In this case, you should contact the dealer from whom the product was purchased.
During the repair process, any stored data may be lost so it is strongly recommended that you backup any important data and media files before requesting a service. LG will not be responsible for any data corruption or loss however so caused during the repair process or failure of the customer to ensure that all data is properly backed up.
| Document Name | Download Link |
|---|---|
| Dismantling information(34WN780P-B) | Download |
| EU Energy label 2019(34WN780P-B) | Download |
| UK DoC(34WN780P-B) | Download |
| UK Energy label 2019(34WN780P-B) | Download |
| Product information sheet (34WN780P-B) | Download |
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