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38" Curved 21:9 UltraWide™ IPS Display

  • 38UC99

Key Features

  • 38-inch Curved UltraWide™ IPS Display
  • 3840x1600 QHD+ Resolution
  • USB Type-C™
  • Rich Bass
  • Bluetooth Audio

38-inch Curved 21:9 UltraWide™

The LG 38UC99-W monitor replaces the need for multiple displays, by meeting the needs of professional content creators, for example video editors, web designers, illustrators and graphic designers, as well as data experts who work with large amounts of information, such as professional investors, app developers and programmers.

3840x1600 QHD+

This 38-inch 21:9 Curved UltraWide Monitor with QHD+ (3840x1600) wide screen real-estate is ideal for using various programs whilst controlling and monitoring a number of thumbnails or timelines- simultaneously make it a perfect fit for content creators.

Time-Saving and Multi-tasking

The 3840x1600 QHD + resolution is equivalent to three times that of a 16:9 Full HD (1920x1080) space and 24% larger than a 34” 21:9 QHD real estate, making it ideal for viewing and processing more information. Its curved panel allows more content to be viewed whilst providing comfort and focus.

Visual Comfort with LG IPS Display

With LG’s IPS display there is no colour shift or distortion of colour and users are guaranteed an immersive artwork, provided by the same colour as a subject on display or RGB colour code through over 99 of sRGB colour space and the accuracy of IPS’s colour expression.

Deeper Sound and Richer Bass with Bluetooth Audio

Enjoy the enriched sound of 10W x 2 Stereo speakers featuring Rich Bass that adds to a deeper and wider sound experience covering from 85Hz unlike built-in speakers in conventional monitors. Easily connect to your mobile device via wireless Bluetooth Audio connection creating listening pleasure.

USB Type-C™ & USB 3.0 Quick Charge

With USB Type-C™, Display Connection, users can transfer data and charge your latest Macbook or mobile device, all at the same time using a single cable. Charge your Android phone with USB 3.0 Quick Charge at the same time. Simplify your work space without the hassle of wires.

Easy User Interface with On Screen Control

Installation and control is now even easier with LG’s On Screen Control software, which allows users to adjust and customize display options.

*To download On Screen Control: visit > search for the product (e.g. 38UC99) > Download On Screen Control in Support category

Optimized Display with My Display Preset

Users can customize their colour environment by using the My Display Preset. It includes multiple colour mode presets for various viewing environments. A variety of colour modes ranging from basic to custom calibration modes accommodate the wide spectrum of needs that professionals require.

Increased productivity with Screen Split

By using the On Screen Control software, users can select from 14 different Screen Split options to optimize Multi-tasking Windows organization and screen real estate use.

Mac and Windows in One Big Screen with Dual Linkup

Dual Linkup means two Individual devices can be connected to the monitor in a 1:1 aspect ratio, allowing the monitor to divide up the screen for both outputs. Whilst those two devices are shown in a single monitor, users can even share the contents from one device to the other.

Fully Supported Gaming Features

With features optimized for gaming, the 38UC99-W allows users to be both productive at work and have fun whilst playing their favorite games.

AMD FreeSync™ Technology

With FreeSync, you can play any high-end game without screen tearing and stuttering that occur from the difference between a graphic card’s frame rate and monitor’s refresh rate.

Fluid Motion with “1ms Motion Blur Reduction”

A monitor’s response time is critical to see moving objects without afterimages in games. "1ms Motion Blur Reduction" enables clear object display when it requires quick response to different situations in games, enhancing user’s immersive experience. Enjoy the clear motion with rich and vivid colors from any angle of an IPS display.

Dynamic Action Sync & Black Stabilizer

The Dynamic Action Sync allows users to instantly attack their opponents without delay, by synchronizing user senses with real-time scenes in fast-paced games by minimizing input lag. The Black-stabilizer gives users full visibility even in the darkest of scenes.

Size (Inch / cm) 38" Curved
Panel Type IPS
Colour Gamut (CIE1931) sRGB over 99%
Colour Depth (Num of Colours) 10bits (8bit+FRC), 1.07B
Pixel Pitch (mm) 0.229 x 0.229
Resolution 3840 x 1600
Brightness(Typ.) 300(Typ), 240(min) cd/m2
Contrast Ratio(Original) 1000:1 (Typ)
(DFC) Mega
Response Time(GTG) 5ms (High)
Viewing Angle(CR≥10) 178/178(CR≥10)
Jack Input / Output
HDMI Yes (ver2.0, 2ea)
DisplayPort Yes (ver1.2)
USB type-C Yes
Headphone Out Yes
USB Down-stream Yes (USB3.0 2ea) * included Quick Charge for port 1
Audio output (watt) Speaker 10W*2 with Bluetooth
Audio Tuning (Rich Bass)
Type Adapter
Input 100 ~240 , 50/60Hz
Ouptput (USB Type-C PD) 60W
Normal On (EPA7.0) 120W
Normal On (Typ.) 57W
Power Save/Sleep Mode (Max) 1.2W
DC Off (Max) 0.3W
HDMI (H-Frequency) 30 ~ 101KHz
HDMI (V-Frequency) 56 ~ 61Hz
DisplayPort (H-Frequency) 30 ~ 101KHz
DisplayPort (V-Frequency) 56 ~ 61Hz (FreeSync 52~75Hz)
USB-C (H-Frequency) 30 ~ 101KHz
USB-C (V-Frequency) 56Hz ~ 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)
Key Lock Yes
Response Time Control Yes
Quick Charge Yes
Freesync Yes (DP 52~75Hz)
Game mode Yes
DAS Mode Yes
Black Stabilizer Yes
1ms Motion Blur Reduction Yes
Flicker safe Yes
Smart Energy Saving Yes
Automatic Standby Yes
Reader Mode Yes (included in Picture Mode)
Six Axis Control Yes
Super + resolution 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
Tilt (Angle) -5~15 Degree
Height (Range) 110mm
Dimension (W*D*H, mm)
Set (with Stand) 897.2 x 230.4 x 466.2
Set (without Stand) 897.2 x 91.5 x 394.0
Box 1053 x 207 x 538
Weight (Kg)
Set (with Stand) 9.3
Set (without Stand) 7.7
Box 13.2
Wall Mount
Wall Mount size (mm) 100 x 100 (VESA compatible)
Packing Material EPS
Stacking Type Vertical
Stand Packing Type Base Detach
Box Printing Type Offset
Handle Hand hole
UL (cUL) Yes
CCC (for China) Yes
BSMI (for Taiwan) Yes
Erp Yes
Windows Yes
DisplayPort Yes
Power Cord Yes
DisplayPort Yes
USB Type C to C Yes
USB Type A to C Yes
cable holder Yes


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