34” WQHD Curved (3440x1440)
sRGB 99% (Typ.) / HDR10
USB Type-C™ with power delivery
Multiple ports
Ergonomic Stand
Reader Mode & Flicker Safe
*The images simulated to enhance feature understanding. It may differ from actual use.
21:9 WQHD (3440x1440) Curved (1800R)
The UltraWide™ QHD (3440x1440) with 1800R curvature and 21:9 aspect ratio is great for work as it can display various programs at once.
*The images simulated to enhance feature understanding. It may differ from actual use.
Picture By Picture (PBP)
34WR55QC allows you to see multiple contents from two computers with the picture-by-picture feature, so it helps to process work efficiently.
This monitor allows you to see multiple contents from two computers with the picture-by-picture feature, so it helps to process work efficiently.
*The images simulated to enhance feature understanding. It may differ from actual use.
*It can be connected via the HDMI cable and DisplayPort cable.
*DisplayPort cable is NOT included with the package.
OnScreen Control
Easily control display settings with a few clicks using OnScreen Control software. You can also readily divide the whole display area with Screen Split.
*The images simulated to enhance feature understanding. It may differ from actual use.
*To download the latest OnScreen Control, click the Download button.
*The features may not function properly depending on the PC that the user is using.
HDR10 with sRGB 99% (Typ.)
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 enables viewers to enjoy the dramatic colors of the content.
*The images simulated to enhance feature understanding. It may differ from actual use.
*Brightness: 300nits (Typ.), Color Gamut: sRGB 99% (Typ.).
USB Type-C™
USB Type-C™ ports allow display, data transfer, and connected device charging (up to 65W), enabling support for your laptop all at the same time over a single cable.
Easy Control and Connectivity through USB Type-C™ ports.
*The images simulated to enhance feature understanding. It may differ from actual use.
*To work properly, the USB Type-C™ cable included in the package is required to connect the USB Type-C™ port to the monitor.
*The features may not function properly depending on the PC that the user is using.
Multi ports
This monitor offers USB Type-C™, DisplayPort, HDMI, and USB (Downstream3.0) compatible with existing devices for a smooth display and headphone out port support hardware connectivity.
USB Type-C™, DisplayPort, HDMI, and USB (Downstream3.0) port pictogram image.
*The USB Type-C™ and HDMI cable are included in the package (DisplayPort cable is NOT included).
Ergonomic design
Achieve optimal positioning with the Ergonomic Stand: Simple setting with one click as well as easily adjust Height and Tilt for your ideal viewing experience.
Borderless design
3-side Virtually Borderless
One Click Stand
Easy installation
Tilt
-5~20˚
Height
110mm
*The images simulated to enhance feature understanding. It may differ from actual use.
Reader Mode adjusts color temperature and luminance that helps to lessen eye fatigue and provide eye comfort while reading documents on a monitor.
Flicker Safe reduces invisible flickering on the screen, which helps reduce eye strain. It provides a comfortable working environment for a long time.
*The images simulated to enhance feature understanding. It may differ from actual use.
*Above feature may vary depending on real use conditions that the user is using.
Display - Size [Inch]
34
Display - Resolution
3440 x 1440
Display - Panel Type
VA
Display - Aspect Ratio
21:9
Display - Color Gamut (Typ.)
sRGB 99% (CIE1931)
Display - Brightness (Typ.) [cd/m²]
300
Display - Curvature
1800R
Display - Refresh Rate (Max.) [Hz]
100
Display - Response Time
5ms (GtG at Faster)
Mechanical - Display Position Adjustments
Tilt/Height
Aspect Ratio
21:9
Brightness (Typ.) [cd/m²]
300
Color Gamut (Typ.)
sRGB 99% (CIE1931)
Contrast Ratio (Typ.)
3000:1
Curvature
1800R
Panel Type
VA
Refresh Rate (Max.) [Hz]
100
Resolution
3440 x 1440
Response Time
5ms (GtG at Faster)
Size [cm]
86.42
Size [Inch]
34
Surface Treatment
Anti-Glare
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
Reader Mode
Yes
Auto Input Switch
Yes
Black Stabilizer
Yes
Color Calibrated in Factory
Yes
Color Weakness
Yes
Dynamic Action Sync
Yes
Flicker Safe
Yes
HDR 10
Yes
HDR Effect
Yes
PBP
2PBP
Smart Energy Saving
Yes
Super Resolution+
Yes
HDMI
Yes
Adapter
Yes
Power Cord
Yes
USB-C
Yes
AC Input
100~240V (50/60Hz)
Type
External Power(Adapter)
Display Position Adjustments
Tilt/Height
Borderless Design
3-Side Virtually Borderless Design
OneClick Stand
Yes
Wall Mountable [mm]
100 x 100
Dimension in Shiping (W x H x D) [mm]
986 x 524 x 212
Dimension without Stand (W x H x D) [mm]
809 x 358.9 x 91.5
Dimension with Stand (W x H x D) [mm]
809 X 568.3 X 260(Up) 809 X 458.3 X 260(Down)
Weight in Shipping [kg]
10.3
Weight without Stand [kg]
5
Weight with Stand [kg]
6.9
DisplayPort
Yes (1ea)
HDMI
Yes (2ea)
Headphone out
Yes
USB-C
Yes (1ea)
USB Downstream Port
Yes
What are the benefits of using an ultra-wide monitor?
1. Wider Screen Space
With an LG UltraWide monitor featuring a 21:9 or 32:9 aspect ratio, you can see more content at once. You can easily work with multiple program windows—such as spreadsheets, documents, and web browsers—side by side without running out of room, making it excellent for multitasking.
2. Ideal for Video and Design Work
The wide workspace and high colour accuracy make it a great fit for editing long video timelines or tackling detailed design projects.
3. Enhanced Gaming Immersion
A broader field of view provides an advantage in racing, FPS (First-Person Shooter), and strategy games. Some models also support high refresh rates and curved designs, which further enhances the sense of immersion.
4. Optimized for Content Viewing
You can enjoy 21:9 cinema-ratio content without black bars, which fills the screen completely for a more immersive experience. It's also optimized for streaming various content formats on platforms like Netflix and YouTube.
Who would especially benefit from using an ultra-wide monitor?
LG UltraWide monitors are especially recommended for users who want to get the most out of a wide screen. They are an ideal choice for multitaskers who need to work with multiple windows simultaneously, video editors and designers who benefit from viewing long timelines and tool panels side by side, and developers or traders who need to arrange code and previews or monitor real-time graphs and data at a glance. They also suit gamers and content viewers looking for an immersive experience for games and movies. In short, LG UltraWide monitors are the perfect choice for users who value both productivity and immersion.
What are the differences between OLED, IPS, and VA panels?
OLED (Organic Light-Emitting Diode)
OLED panels use pixels that emit their own light, allowing for near-perfect blacks, exceptional contrast, and incredibly vivid colors. Since each pixel can be turned off individually, they deliver true black and high contrast. They also boast ultra-fast response times, making them the top choice for high-end gaming monitors, premium TVs, and professional video editing. The main drawbacks are their higher cost and a potential for "burn-in," where a static image can leave a permanent imprint on the screen.
IPS (In-Plane Switching)
IPS panels are well-known for their precise colour accuracy and wide viewing angles, which means the image stays clear and consistent from almost any position. This makes them a great all-around choice for a range of tasks, including office work, design, and gaming. The superior colour accuracy is especially appealing to gamers who want to see the game's visuals exactly as the creators designed them.
VA (Vertical Alignment)
VA panels have the highest contrast ratio of all LCD types, which makes them great for watching movies and videos, as they deliver deep, rich blacks. Although they typically have slower response times compared to TN or OLED panels, recent advancements have brought their performance much closer. They offer a good balance of features and price, making them a solid option for users who prioritize contrast and don't require the absolute fastest response times.
Download product manuals and latest software for your LG product.
Find helpful videos and information about your product systems.
Check LG warranty information here.
Discover accessories for LG products.
Registering your product will help you get faster support.
Find manual, troubleshoot and warranty of your LG product.
Track your order and check order FAQ.
Repair request service conveniently online.
Get your answers from our virtual assistants.
We are on WhatsApp. Text with our experts for service related concerns
No time to chat?Send LG Support your inquiry.
Text ‘*CARE’ to
1-587-742-2623
and get instantly connected to an agent.
(Only for customers located in Canada)
March 20, 2026 – April 2, 2026. Big spring event: Blossom big savings – select monitors from $99.99
April 1, 2026 – April 30, 2026. Reinvest your savings: Tax refund on LG monitor bundle. Save 10% when you buy 2 or more monitors.
Your email has been successfully registered.
The restocking notification has already been updated.
Add items to your MY LG wishlist
OTP authentication failed. Please verify your mobile number to use for mobile OTP login.
