To properly experience our LG.com website, you will need to use an alternate browser or upgrade to a newer version of internet Explorer (IE9 or greater).

The LG.com website utilizes responsive design to provide convenient experience that conforms to your devices screen size. In order to get the best possible experience our LG.COM website please follow below instructions.

If you’re using Internet Explorer 8 or earlier, you will need to use an alternate browser such as Firefox or Chrome or upgrade to a newer version of internet Explorer (IE9 or greater).

If you’re using Internet Explorer 9 and higher, turn off your Internet Explorer browser’s “Compatibility View settings” by following steps below:

  • Right click at the top of your browser and make sure the “Menu Bar” option is selected
  • Select “Tools” from the menu bar and then select “Compatibility View settings”
  • In the pop-up menu uncheck all three boxes and click “Close”
  • Your browser window will automatically refresh and you’ll be ready to go
Skip to Contents

34" 21:9 Curved UltraWide™ WQHD IPS LED Monitor (34" Diagonal)

  • 34UC98

Key Features

  • UltraWide QHD 3440x1440 IPS Display
  • Thunderbolt 2.0 (x2)
  • sRGB Over 99%
  • USB 3.0 Quick Charge
  • Height Adjustable Stand

21:9 UltraWide™ Rules

Perfect for multitasking and entertaining, the LG 21:9 UltraWide™ is always the right choice. A full range of 21:9 UltraWide™ monitors, both curved and flat, are available to meet your needs. 

21:9 Curved UltraWide™ QHD on IPS Display

21:9 Curved UltraWide™ QHD (3440*1440) display offers wrap-around field of view on a wide screen real estate. With IPS display, visual comfort is guaranteed while ensuring vivid and accurate color expression

The Beauty of ArcLine

Inspired by the beauty and power of nature, the ArcLine completes the design with a refined aesthetic flair.

Thunderbolt™ 2 Compatibility with Mac devices

"With the Thunderbolt™ 2 port for Mac devices, you can take advantage of data transmission that is 4 times faster than the USB 3.0, and also can expand computing capability more easily via a simple daisy-chain configuration without the need for an extra connector."    

Flawless Colour Expression 

You are guaranteed an immersive artwork through a sRGB over 99% color space.Color calibration tests are conducted on the production line to ensure color accuracy.   

Advanced Tech Design

The newly designed ergonomic stand can be installed quickly and easily without the need for tools, and its height and tilt are adjustable for your comfort.    

Up-scaled Work Efficiency 

Screen Split and PIP Mod e bring you to be the real multi-tasker.

Exceptional Usability

Onscreen Control and My Display Presets allow you to easily customize monitor settings with a few clicks of a mouse.

USB 3.0 Quick Charge

Charge the battery of a connected device quickly using the USB 3.0 port on the product. 

The Big Convergence of FreeSync & 21:9 UltraWide™ 

The whole new FreeSync era has come. On the 34-inch 21:9 UltraWide™ QHD, you can experience the next level of gaming without any tearing and stuttering. 

Game Mode

Game Mode, consisting of FPS, RTS, and Custom modes, provides a customized gaming experience that varies with genres.

Fully Geared Up with Winning Features    

Black Stabilizer is especially useful to detect objects including enemies that are hiding in dark areas. Dynamic Action Sync allows you to attack enemies faster with less lag time.

GENERAL
Size (Inch) 34" Curved
Panel Type IPS
Color Gamut (CIE1931) sRGB over 99%
Color Depth (Number of Colors) 10bits (8bit+FRC), 1.07B
Pixel Pitch (mm) 0.2325 mm x 0.2325 mm
Resolution 3440 x 1440
Brightness(Typ.) 300 cd/m2
Contrast Ratio(Original) 1000:1
(DFC) Mega
Response Time_Typ.(on/off) 14ms
(GTG) 5ms
Viewing Angle(CR≥10) 178/178
Jack Input / Output
HDMI Yes (ver2.0, 2ea)
DisplayPort Yes (ver1.2)
Thunderbolt Yes (2ea)
Headphone Out Yes
USB Up-stream Yes (USB3.0 1ea)
USB Down-stream Yes (USB3.0 2ea) * included Quick Charge for port 1
Speaker
Audio output (watt) Speaker 7W*2
Audio Tuning MaxxAudio
Power
Type Adapter
Input 100 ~ 240V
Normal On (Typ.) 70W
Power Save/Sleep Mode(Max) 1.2W
DC Off(Max) 0.3W
Frequency
HDMI (H-Frequency) 30 ~ 90KHz
HDMI (V-Frequency) 56 ~ 61Hz
Display Port (H-Frequency) 30 ~90kHz
Display Port (V-Frequency) 56 ~ 61Hz (FreeSync 55~75Hz)
Thunder bolt (H-Frequency) 30 ~90kHz
Thunder bolt (V-Frequency) 56 ~ 61Hz
Special Feature
Picture Mode Custom, Reader, Photo, Cinema, Dark Room 1, Dark Room 2, Color Weakness, FPS Game 1, FPS Game 2, RTS Game, Custom (Game)
Ratio Wide, Original, Cinema 1, Cinema 2, 1 : 1
PIP - (PIP mode in Screen Split)
PBP Yes
DDC/CI Yes
HDCP Yes
Key Lock Yes
Response Time Control Yes
Quick Charge Yes
Freesync Yes (DP 55~75Hz)
Game Mode Yes
DAS Mode Yes
Black Stabilizer Yes
Flicker Safe Yes
Smart Energy saving Yes
Automatic standby Yes
Reader Mode Yes (Picture Mode Including)
Six Axis Control Yes
Color Calibrated Yes
Dual controller Yes
Screen split2.0 (in OSC) Yes
My Display Preset (in OSC) Yes
OnScreen Control (OSC) Yes
Dual EDID (H/W) Yes
One Click Stand Set-up Yes
Stand
Tilt(Angle) -5~15 Degree
Height(Range) 110mm
Dimension(W*D*H, mm)
Set (with Stand) 817.6 x 230.4 x 451.4 (Down) ; 817.6 x 230.4 x 561.4 (Up)
Set (without Stand) 817.6 x 88.7 x 360.8
Box 977 x 207 x 505
Weight(Kg)
Set (with Stand) 7.8
Set (without Stand) 6.2
Box 11.2
Wall Mount
Wall Mount size (mm) 100 x 100 (VESA compatible)
Wrap
Packing Material EPS
Stacking Type Vertical
Stand Packing Type Base Detach
Box Printing Type Offset
Handle Hand Hole
Standard
UL (cUL) Yes
TUV-TYPE Yes
FCC-B, CE Yes
Erp Yes
Windows Yes
Display Port Yes
Accessory
Power Cord Yes
HDMI Yes
Display Port Yes
Cable holder Yes

QUESTIONS? LET US HELP

Simply choose a support option from the icons below: