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

  • 34UC88

Key Features

  • UltraWide QHD 3440x1440 IPS Display
  • sRGB Over 99%
  • Screen Split 2.0 (PIP Mode)
  • USB 3.0 Quick Charge
  • AMD FreeSync™ Technology

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 UltraWide™ QHD on IPS Display

"21:9 UltraWide™ QHD (3440*1440) display offers visual comfort and ensures your best viewing pleasure. There is no color shift or no distortion of color at all."

The Beauty of ArcLine

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

The Big Convergence of FreeSync & 21:9 UltraWide™

The Big Convergence of FreeSync & 21:9 UltraWide™

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

Game Mode

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

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.

Flawless Color 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 Mode bring you to be the real multi-tasker.

Exceptional Usability

On Screen 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.

Size (Inch)34" Curved
Panel TypeIPS
Color Gamut (CIE1931)sRGB over 99%
Colour Depth (Num of Colours)10bits (8bit+FRC), 1.07B
Pixel Pitch (mm)0.2325 mm x 0.2325 mm
Resolution3440 x 1440
Brightness(Typ.)300 cd/m2
Contrast Ratio(Original)1000:1
Response Time_Typ.(on/off)14ms
Viewing Angle(CR≥10)178/178
Jack Input / Output
HDMIYes (ver2.0, 2ea)
DisplayPortYes (ver1.2)
Headphone OutYes
USB Up-streamYes (USB3.0 1ea)
USB Down-streamYes (USB3.0 2ea) * included Quick Charge for port 1
Audio output (watt)Speaker 7W*2
Audio TuningMaxx Audio
TypeAdapter (32W)
Normal On(typ.)65W
Power Save/Sleep Mode(Max)1.2W
DC Off(Max)0.3W
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 )
Special Features
Picture ModeCustom, Reader, Photo, Cinema, Dark Room 1, Dark Room 2, Color Weakness, FPS Game 1, FPS Game 2, RTS Game, Custom (Game)
RatioWide, Original, Cinema 1, Cinema 2, 1 : 1
PIP- (PIP mode in Screen Split)
Key LockYes
Response Time ControlYes
Quick ChargeYes
FreesyncYes (DP 55~75Hz)
Game ModeYes
DAS ModeYes
Black StabilizerYes
Flicker SafeYes
Smart Energy savingYes
Automatic standbyYes
Reader ModeYes (Picture Mode)
Six Axis ControlYes
Color Calibrated Yes
Dual controllerYes
Screen split2.0 (in OSC)Yes
My Display Preset (in OSC)Yes
On Screen Control (OSC)Yes
Dual EDID (H/W)Yes
One Click Stand Set-upYes
Tilt(Angle)-5~20 Degree
Dimensions - WxDxH (mm)
Set (with Stand)817.6 x 252.4 x 447.8 (Down) 817.6 x 252.4 x 567.8 (Up)
Set (without Stand)817.6 x 88.7 x 360.8
Box977 x 207 x 505
Weight (Kg)
Set (with Stand)8.3
Set (without Stand)6.2
Wall Mount
Wall Mount size (mm)100 x 100 (VESA compatible)
Packing MaterialEPS
Stacking TypeVertical
Stand Packing TypeBase Detach
Box Printing TypeOffset
HandleNo (Hand Hole)
UL (cUL)Yes
CCC (for China)Yes
BSMI (for Taiwan)Yes
Power CordYes
cable holder Yes


Business Resources

To access more technical documentation and downloads, please visit the LG B2B Partner Portal.