Zenbook 14X OLED (UX5400, 12th Gen Intel)

Name: Zenbook 14X OLED (UX5400, 12th Gen Intel)
Brand: ASUS
SKU: 19223

ASUS Zenbook 14X OLED

A vision of brilliance

Life is brighter and clearer with Zenbook 14X OLED, the slim, light and compact laptop with a gorgeous 16:10 4K OLED HDR NanoEdge touchscreen that gives you the deepest blacks and the most vivid colors. Powered by the latest 12th Gen Intel^® Core^™ processors and up to NVIDIA^® GeForce^® MX550 discrete graphics, Zenbook 14X OLED delivers maximum performance with ASUS Intelligent Performance Technology. The precision-engineered 180^° ErgoLift hinge makes sharing content easy, and the innovative ASUS ScreenPad^™ enhances your on-the-go productivity. Let Zenbook 14X OLED light up your work or play, anywhere.

World's first 14” 4K OLED HDR display

16:10 aspect ratio, 4K (3840 x 2400) resolution, 0.2 ms response time, 100% DCI-P3 color gamut

Windows 11 Pro

Up to 12th gen

Intel^® Core^™ i7

processor

Up to NVIDIA^®

GeForce MX550

discrete graphics

CPU performance

up to 40W

with IceCool

technology

High speed SSD up to

1TB

with up to 6500 MB/s read speed

16.9mm / 1.4kg

thin & light

Full I/O port

with Type-C Easy Charge & high speed Thunderbolt^™ 4

Up to16GB

LPDDR5

onboard memory

ASUS ScreenPad^™

for efficient multitasking

Electric Webcam Shield

for instant privacy

180˚
ErgoLift hinge

for easy sharing

Fast
fingerprint login

with power button

DisplayBring everything to life in vivid colorEverything comes to life with Zenbook 14X OLED’s amazing up to 4K OLED HDR NanoEdge touchscreen1,2, which has a 16:10 aspect ratio to give you a bigger visual workspace than a standard 16:9 display. It has a cinema-grade 100% DCI-P3 color gamut and is PANTONE® Validated for ultra-vivid, ultra-accurate colors. OLED technology gives you true blacks for enhanced realism, and it cares for your eyes with TÜV-certified for low blue-light emissions.
Learn more about ASUS OLED displays
Up to
3840X2400
resolution
                    
16:10
aspect ratio
                    
OLED
ultra-vivid colors
                    
HDR
enhanced realism
                    
92%
screen-to-body ratio
                    
100%
DCI-P3 color gamut
                    
Up to
550nits
brightness
                    
validated display
                    
certified display
                    
certified display

ASUS OLED Display

5 reasons to choose ASUS OLED laptops

100% DCI-P3 best-in-class color gamut

Vivid displays for precise creativity, color work and vibrant visual entertainment.

70% less harmful blue light

With lower harmful blue-light levels, OLED offers better eye care and sleep quality.

Clearer images at any brightness

Rich colors even at low brightness — always stunning.

DisplayHDR^™ 500 True Black

The deep blacks allow you to see previously unseen details in dark movie scenes.

0.2 ms fastest response time on any laptop

Blur-free action scenes in movies and games, with smooth text scrolling.

ASUS OLED laptop displays

Most LCD laptop displays

DISPLAY RESOLUTION

PIXEL COUNT

ASPECT RATIO

COLOR GAMUT

PANTONE^® VALIDATED

PEAK BRIGHTNESS

CONTRAST RATIO

HARMFUL BLUE LIGHT

RESPONSE TIME

COLOR DEPTH

ASUS OLED laptop displays

Up to 4K (3840 x 2400)

Up to 9,216,000 pixels

16:10Bigger workspace

100% DCI-P3 (133% sRGB)Best-in-class colors

Yes

Up to 550 nitsEquivalent to 724 nits LCD perceptual brightness

1,000,000:1DisplayHDR^™ 500 True Black certified

6.5%70% reduction in harmful blue light for eye care

0.2 msUp to 50x faster response time for smooth action

Up to 1.07 billion colors

Most LCD laptop displays

FHD (1920 x 1080)

2,073,600 pixels

16:9

62.5% sRGB (45% NTSC)

250 nits

1,000:1

21.5%

10 ms

16.7 million colors

ColorUltimate professional-grade colorsASUS OLED laptops deliver exceptionally detailed and realistic visuals, with a cinema-grade 100% DCI-P3 color gamut. This means that the colors reproduced on the display are richer and more vivid: it’s ideal for color-intensive projects, but also enhances any kind of content.
100%
DCI-P3 color gamut
                        
133%
sRGB color gamut
                        
1.07billion
colors
                        
Cinema-grade
industry standard
                        

                          
                        
validated display
                        

                      
                      LCD100% sRGBOLED100% DCI - P3
ASUS OLED laptops maintain a 100% DCI-P3 color gamut at both high and low brightness levels, while on a standard LCD laptop the color gamut is reduced dramatically at low brightness levels. At a gray-level brightness of 16 G, LCD laptops only have an 11% DCI-P3 color gamut, while ASUS OLED laptops maintain a 100% DCI-P3 color gamut.

                    OLED
LCD
brightness
255 G
104 G
48 G
16 G
DCI-P3
* Color expression of an LCD display compared to OLED display at the same brightness level.

                    Gray level (Brightness)
High Brightness
Low Brightness

Eye Care70% blue-light reduction for eye careBlue light is known to cause visual discomfort and disrupt sleep quality. However, due to the nature of the special organic lighting materials in an OLED display, ASUS OLED laptops emit 70% less harmful blue light3, and they’re also certified by TÜV Rheinland and SGS. More importantly, unlike traditional blue-light filters, shifting the spectrum means there’s no need to compromise color accuracy.
70%
reduced blue light3
                        
certified
                        
certified
                        
                    Harmful blue light wavelengthOLED Exposure (6.5%)LCD Exposure (21.5%)OLED with less harmful blue light

Eye CareEye care, even more critical for childrenSince children’s eyes are not fully developed, with a more transparent lens and cornea, harmful blue light can penetrate the eye more easily, potentially causing premature aging of the retina. Research6 has shown that in a five-year-old child’s eyes, approximately 60% of the received blue-light emissions pass through to the retina, compared to only around 20% for a 60-year-old adult. With ASUS OLED displays, the significantly lower blue light levels mean better eye care for children.

                  
                  
                
Lens transparency for blue light
Wavelength (nm)
Harmful blue light
5 year-old
60 year-old
Source: Lakeside Vision Center (2018)
https://www.essilorpro.com/content/dam/essilor-redesign/product-resources/crizal/Blue-Light-Roundtable_White-Paper.pdf

Perceptual BrightnessOLED has much higher perceptual brightnessOn conventional LCD displays, detail and color quality usually decrease dramatically as the brightness is reduced. But ASUS OLED laptops are able to show great detail at lower brightness settings due to their high contrast and their ability to maintain a wide color gamut at low brightness. ASUS OLED laptops can maintain good color reproduction at any brightness level, so you can freely adjust the screen’s brightness to suit your working environment, while still enjoying exceptionally vivid colors. For example, in the living room environment (usually illuminated at about 100 lux), you only need 177 nits brightness in an OLED display to produce the same clear image as 400 nits brightness in an LCD display. At the lower brightness levels needed on OLED displays, there’s less harmful blue light emitted.

                    LCD
400
nits
OLED
152
nits
177
nits
303
nits
305
nits
Environment
(Illuminance)
Dark room
(0 lx)
Living room
(100 lx)
Office
(500 lx)
Studio
(1000 lx)
* Required brightness on OLED to reproduce same colors on 400 nits LCD screens.

                      
                      LCD150 nitsOLED150 nits

ContrastTrue black: See the unseenASUS OLED laptops reproduce blacks perfectly. An OLED pixel consists of three sub-pixels, each with its own self-generated illumination: a 4K (3840 x 2400) display has 9,216,000 pixels, which means it has 27,648,000 self-illuminated sub-pixels, compared to just a few dozen LED backlights in most LCD displays. When displaying black on an OLED display, the pixel is simply turned off to produce the darkest possible black. This enables extremely crisp and clear images even in the darkest scenes. You’ll be surprised to see how many new details you’ll spot in your favorite movies!
 
1,000,000:1
contrast ratio 
                        
Up to
550nits
peak brightness
                        
0.0005nits
true black
                        
                      LCDOLED

Response TimeFastest response time on any laptop for motion clarityFor a display, response time is the time taken to replace one color with another: the faster the time, the better motion is reproduced. The diagram below shows a color transition from purple to blue. On an ASUS OLED, this transition takes only 0.2 milliseconds, while on an LCD, it might take 10 ms or longer. This makes a lot of difference, since OLED colors and images look correct for most of the time a frame is displayed, whereas LCD images may be blurry during the transition process.
ASUS OLED displays have a 0.2 ms response time — the fastest of any laptop, and 50x faster7 than the average laptop LCD display. This ensures smoother fast-paced action scenes, low-latency gameplay, and subtle details like blur-free text scrolling. In effect, the smooth visuals on an OLED display can rival those on an LCD display with a much higher refresh rate.
0.2ms
ultrafast response time
                        
50X
faster response time7
                        
Beginning of frameEnd of frame16.47 ms clear image duration

                    LCD
10 ms response time

                    OLED
Ultrafast 0.2 ms response time

PerformanceSuperb all-round performancePowered by the latest 12th Generation Intel® Core™ processors, up to 16 GB RAM, Intel Iris Xe integrated graphics and up to NVIDIA GeForce MX550 discrete graphics, Zenbook 14X OLED gives all the all-round performance you need for smooth multitasking and effortless productivity. Ultrafast PCIe® 4.0 x4 SSD storage and gigabit-class Intel WiFi 6E8 (802.11ax) mean you won’t be waiting for apps or websites to load, either! ASUS IceCool technology gives you a choice of three cooling fan modes via the MyASUS app, ensuring maximum performance whenever you need it.
 
Windows 11 Pro
 
Up to
Core™i7
12th Gen Intel® CPU
                      
Up to
MX550
NVIDIA® GeForce GPU
                      
Up to
1TB
PCIe® 4.0 x4 SSD
                      
Up to
16GB
RAM
                      
Gigabit-class
WiFi 6E8
802.11ax
                      
IceCool
thermal technology

ScreenPad^™

The Intelligent touchpad, evolved

The new ScreenPad^™¹³ upgrades the traditional laptop experience, adding an interactive secondary touchscreen that enhances your productivity with more possibilities. Its intuitive smartphone-like interface lets you easily manage tasks and create your own seamless multitasking workflow. There’s a series of handy ASUS utility apps to boost productivity including Phone Call, Task Group, Handwriting, and so on. There are also useful quick controls that improve the interactions between the main display and ScreenPad: for example, you can now launch a video or chat box — or many other apps — onto ScreenPad to take advantage of the extra space wherever you are, and without interrupting your work on the main display.

Learn more about ScreenPad™

App Switcher
Mode Switch
Add Apps
App Navigator
Task Group
Phone Call
Handwriting
Number Key

Drag an app onto the App Switcher icon to move it from the main screen to ScreenPad. You can also long-tap the App Switcher icon on ScreenPad to preview the open ScreenPad window on the main screen, or short-tap to move it to the main screen.Tap the Mode Switch icon to switch between ScreenPad control and touchpad functions. You can also quick-tap with three fingers to temporarily enable cursor mode: it will revert back to touch mode after 2 seconds.Swipe left to the last screen to add the selected apps to ScreenPad.Tap the App Navigator icon in the control center to view and manage all open apps on both screens.Customize app groups and use the Task Group icon to open multiple apps with one tap.Simply click on the Link to MyASUS icon when your laptop is paired with your phone to easily make phone calls from your laptop.With Handwriting you can take notes and record your thoughts or ideas the natural way. Number key is the easy and intuitive way to enter numeric data.

ScreenPad^™

More possibilities

ScreenPad^™ intelligently fits many apps into the 5.65-inch touchscreen, and you can effortlessly add apps to ScreenPad for instant access. The newly-optimized ScreenPad experience ensures that your favorite apps, such as Evernote^® and Spotify^®, will work perfectly on this secondary display right away, without the need for a ScreenPad-specific version. ASUS also works closely with third party developers, including video-editing software developer Corel^®, to optimize adaptive ScreenPad tools for the ultimate productivity — and there’s much more to come. Get ready for the ScreenPad revolution!

Highlights

Share and create, anywhere

The slim and light Zenbook 14X OLED makes it easy to share and collaborate anywhere, with its lay-flat hinge, fast performance and gorgeous high-resolution visuals.

Share and collaborate with ease

The 180^° lay-flat ErgoLift hinge on Zenbook 14X OLED makes it easy to share content with colleagues or friends, or collaborate with your team.

Amazing visuals, incredible performance

The powerful 12th Gen Intel Core CPU, NVIDIA GeForce MX550 graphics, AIPT and ultrafast WiFi 6E make any task a breeze. The gorgeous 4K OLED HDR NanoEdge display, with its 100% DCI-P3 color gamut and PANTONE Validated color accuracy is perfect for creative visual work.

Take it everywhere

Whatever you’re doing, wherever you go, the slim, light and compact design of Zenbook 14X OLED makes it an indispensable companion that’s easy to take with you everywhere!

Share and collaborate with ease

The 180^° lay-flat ErgoLift hinge on Zenbook 14X OLED makes it easy to share content with colleagues or friends, or collaborate with your team.

Amazing visuals, incredible performance

Take it everywhere

Whatever you’re doing, wherever you go, the slim, light and compact design of Zenbook 14X OLED makes it an indispensable companion that’s easy to take with you everywhere!

Colors

Pine Grey

Pine Grey is a glossy shade that evokes calm and peace while also projecting a sense of professionalism. A special off-center version of the iconic Zenbook spun-metal finish adds character to an already interesting look.

Colors

Lilac Mist

Lilac Mist conveys a subtle touch of high-end luxury. Elegant and modern, charming and sophisticated, this gorgeous matte shade is a perfect match for the classic Zenbook spun-metal finish that it highlights..

Colors

Pine Grey

Colors

Lilac Mist

Mobility

Versatile, everywhere

Weighing only 1.4 kg¹⁴ and measuring a slim 16.9 mm, Zenbook 14X OLED is supremely portable and versatile. And its comprehensive I/O ports mean you can connect to anything you want, wherever you are.

16.9mm

thin

1.4kg

ultralight¹⁴

User ExperienceThoughtful designWe've made the user experience on Zenbook 14X OLED even better with some thoughtful design features, such as the 180° lay-flat ErgoLift hinge that makes it easy to share and collaborate. There's secure fingerprint login, too, with a handy sensor on the power button.
180° ErgoLift hinge
Fingerprint login
Zenbook 14X OLED features a precision-engineered, lay-flat ErgoLift hinge that tilts the rear of the laptop slightly when opened to make typing more comfortable. It also makes it easy to share content with others, or collaborate with a group of people around a table.
Zenbook 14X OLED has a fingerprint sensor on the power button for easy and secure one-touch login with Windows Hello.

KEYBOARD AND TOUCHPADBrilliantly nuanced ErgoSense keyboard and touchpadIt’s our mission at ASUS to elevate human interaction with technology to a higher and more intuitive level than ever before. The latest ASUS ErgoSense keyboard and touchpad are engineered to enable an unrivaled input experience that’s in harmony with how you move, feel and touch. Your comfort is our highest priority. That’s why the ErgoSense keyboard has an incredibly satisfying feel, with the optimum bounce and travel calculated with fine-tuned precision. Scrolling on our ErgoSense touchpad is just like touching silk. Its surface has a special low-friction coating that’s also fingerprint resistant, keeping your work area as clean as new.
Experience the ErgoSense keyboard and touchpad, and you’ll soon find yourself cruising effortlessly through your work.

              
Full-sized keyboard 
19.05 mm
It’s time to say hello to ErgoSense, and goodbye to cramped laptop keyboards! The full-size 19.05 mm key pitch is the same as a desktop keyboard, so you can whizz through your work with superb typing comfort and accuracy.
Dished key caps 
0.2 mm
The 0.2 mm key-cap dish is designed to match the shape of your fingertips. The smooth-edged indent is carefully crafted for a comfortable yet precise feel, so your fingers are gently guided to the ideal contact point with the keys.
Long key travel 
1.4 mm
Good tactile feedback is important to let you know that your key press has been registered. The long 1.4 mm key travel lets you type without having to use too much force. And underneath the key, there’s a rubber dome crafted by keyboard experts here at ASUS. It guarantees your click force is met with just the right tactile bump you need for a nice grip.
Ultra-smooth touchpad
The hydrophobic coating applied to our touchpad has a high water-contact angle. This means the nanotech-like surface provides smoother feedback for every scrolling movement. It’s like touching silk!
Anti-fingerprint touchpad
We apply a high-end PVD anti-fingerprint coating that ensures excellent resistance to wear and tear. This coating also makes the surface really easy to clean. And even after more than 10,000 slides, the touchpad will still be as smooth as new.

                  
                

ConnectivityConvenient connectionsZenbook 14X OLED is packed with all the I/O ports you need for easy connectivity to your devices and peripherals. The latest ultrafast Thunderbolt™ 4 USB-C® ports support fast charging, 4K UHD external displays and up to 40 Gbps data transfers, and there’s also an HDMI port and a USB 3.2 Gen 2 Type-A port alongside a microSD card reader. Communications and audio I/O are taken care of by the convenient audio combo jack.

                MicroSD card readerThunderbolt™ 4 USB-C®Audio jackHDMIUSB 3.2 Gen 2

Noise CancelationNext-level AI noise-canceling audio technologyWith the increase of remote work and video conferences, we implemented the ASUS AI noise-canceling technology to ensure the best experience. ASUS AI noise-canceling audio employs machine learning in order to isolate unwanted noise from human speech. The ClearVoice Mic feature in the MyASUS app can filter out ambient noise, and normalize all individual voices in Multi-presenter mode from different positions for optimum group conference-call quality. The ClearVoice Speaker feature filters out all ambient noise apart from human speech — so you’ll hear what everyone else is saying.

Try the demo to experience the amazing difference in different environment that ASUS AI noise-canceling technology can make.
Press play to experience noise-canceling technology
Turn on your device audio to hear the difference.

                  Home
Crying infant, barking dog

                  Office
Typing, office ambient noise

                  Café
Crockery, background conversations

AI noise cancelation

SOFTWARE

Truly personalized workflow

MyASUS hosts a collection of handy ASUS apps and tools that help you get more out of your laptop, and GlideX is a cross-device screen-sharing solution. Optimize your laptop’s performance and boost your productivity with ASUS apps!

MyASUS

Your PC just got better

MyASUS provides easy access to ASUS apps that are designed to help you maintain your system, update your software, optimize your PC’s performance, and contact ASUS for after-sales service and support.

Learn more about MyASUS

Prioritize WiFi for specific tasks

AI noise-canceling audio for clear speech

Transfer files between a PC and a mobile

Optimize fan speed according to use

Display color profile

One-click system diagnostics

A laptop viewed from the front with a starburst graphic on the screen surrounded by app icons.

GlideX

Your on-the-go work and play space

GlideX is a cross-device screen-sharing solution that uses wired or wireless connections to give you a bigger and better space for work and play. With Screen Mirror you can project your device’s screen to PC for easier keyboard input on a bigger space; with Screen Extend you can create more space turning your tablet into a secondary display on the go. GlideX optimizes your workflow in the blink of an eye!

Learn more about GlideX

Screen Mirror

Screen Extend

On the left is a tablet displaying geometric shapes. In the middle is a laptop showing a photo of a woman’s head in a photo-editing app, split with a shared screen of a mobile device showing 2 images. On the right is a mobile device showing the original 2 images.

AUDIOBreak the sound barrierFor unrivaled audio quality, Zenbook 14X OLED has a Dolby Atmos stereo sound system that’s certified by the audio experts at Harman Kardon. It delivers powerful, immersive sound that’s crystal-clear, with the multi-dimensional soundscape of Dolby Atmos. It immerses you in your favorite entertainment with sound that moves all around you with breathtaking realism in music, movies and TV.

Smart amp 3.5X louder volume
                    
Smart Amp — 350% louder sound, zero distortionThe volume-enhancing, distortion-suppressing dual-channel smart amplifier is equipped with a powerful DSP chip that can drive the twin speakers at the maximum volume possible while preventing long-term damage to the sensitive speaker voice coils. Creating or listening to audio in your videos, movies, music or games has never sounded better!

Our smart amplifier system uses a high-power amplifier that can increase speaker volume by up to 350%.

                        The waveform for the smart amplifier has a 3.5-times higher amplitude than the normal amplifier.Normal amplifiersSmart amplifier
Peak levels
Average levels
Peak levels
3.5x
                      
The smart amplifier helps to deliver clearer audio by boosting volume across the entire audio spectrum, not just at certain frequencies. This ensures crystal-clear highs and powerful bass for a superlative audio experience.

                        The volume of the smart amplifier is higher than the normal amplifier across the entire frequency range, up to a maximum of 3.5 times higher.Octave spectrum
Level (DBSPL)Frequency (Hz)Normal amplifiersSmart amplifier
                          
The smart amplifier’s output is intelligently matched to the speaker’s physical capabilities, fine-tuning the system across the entire spectrum to ensure distortion-free audio at any volume level. The result is a high-quality audio experience and reliable long-term operation.

                        The smart amplifier has 3.5 times higher overall volume across the entire frequency range, and reduces distortion by preventing the speaker excursion exceeding its physical limits, unlike a normal amplifier.Speaker diaphragm displacement (excursion) vs. frequency
Excursion (mm)Frequency (Hz)Excursion protectionNormal amplifiersWithout protectionSmart amplifierExcursion limits

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Purchase and get complimentary membership.

Learn more

Based on currently available 14” 4K OLED HDR laptop displays as of September 2021.

The visual appearance of OLED displays may change over the product’s lifetime. This is expected behavior that can include image persistence or burn-in, where the display shows a faint remnant of an image even after a new image appears on the screen. This tends to occur only in extreme use cases, such as when a static, high-contrast image is continuously displayed for prolonged periods of time. ASUS laptops with an OLED display minimize this risk by setting Windows 11’s Dark mode as default, as well as shortening the idle time before the screen is turned off — both on mains (AC) and battery (DC) power. This dual approach minimizes the potential for burn-in to maximize the lifespan of your OLED display lifespan, and also reduces unnecessary power draw for optimal battery life. We also recommended adjust the brightness of your OLED display to complement the ambient lighting in your environment, rather than keeping the screen at maximum brightness at all times. You should also ensure that you have an animated, dark-background screensaver enabled in the Windows 11 Settings tool.
The stated 3 mm width of the side bezel is the distance between the edge of the non-active screen display area and the inside edge of the case. If the case width is included, the side bezel width is 4.3 mm. Measured based on standard display configuration. The top bezel width is 5.86 mm and the bottom bezel width is 8.02 mm.
Compared to average LCD displays in the market, measuring energy emission of blue light in between 415-455 nm wavelength.
See: https://www.nature.com/articles/srep05223
See: http://large.stanford.edu/courses/2017/ph240/kersten2
See: https://www.essilorpro.com/content/dam/essilor-redesign/product-resources/crizal/Blue-Light-Roundtable_White-Paper.pdf
Compared to average LCD laptop panel. Average LCD display has 10 ms response time.
WiFi 6E availability may vary by country and their specific regulations. Feature only supported by Windows 11 or later.
The 70% performance increase is compared to the Cinebench R20 multicore score of an 11th generation CPU at fixed 15W TDP. Data is from ASUS internal laboratories.
Test score may vary according to specifications.
To enable Performance Mode, please keep the laptop plugged in for the best performance, set the Windows power option as ASUS Recommended Mode, and select Performance Mode in the MyASUS software.
The results are compared to a 10th generation Intel Core CPU at a fixed 15W TDP. Data is from ASUS internal laboratories.
Please note that all versions of ScreenPad only work with the Microsoft Windows operating system.
Weight might vary by specifications.
The charging speed of a Power Delivery charger will match the connected adapter’s power output, up to a maximum of [90] watts. USB-C^® Easy Charge provides 4.5 watt charging when connected to a non-Power Delivery charger, including most portable and USB Type-A to USB-C^® chargers. Some portable chargers may not support such features, depending on the configuration.
Unless otherwise stated, all performance claims are based on theoretical performance. Actual figures may vary in real-world situations.
Zenbook 14X OLED UX5400ZB with an Intel 12th Gen processor can support a maximum of four displays: the laptop’s own display, plus three external displays attached to the two Thunderbolt 4 ports and the HDMI port.

Harmful effects on retinal cells

Cone cells are the cells in the eye's retina that enable color vision. Blue light is often more harmful to these cells compared to other wavelengths of light. In experiments conducted by the Gifu Pharmaceutical University in Japan⁴, mice cone cells were subjected to red, green, and blue light sources. The survivability of the cone cells under blue light exposure dropped dramatically to 20% after 24 hours, while cone cells exposed to other colors retained around 100% survivability.

Before exposure

Red light

Green light

Blue light

-80

Retina cell survivability

Source: Gifu Pharmaceutical University (2014)

https://www.nature.com/articles/srep05223

Blue light disrupts sleep cycles

When it gets dark, your brain produces the hormone melatonin, which helps to maintain the correct scheduling of your daily sleep cycles. According to a Stanford University study⁵ the production of melatonin can be blocked by exposure to blue light at night, and potentially cause sleep disruption.

Night

Day

Night
(With blue light exposure)

-23

Melatonin

Source: Stanford University (2017)

https://large.stanford.edu/courses/2017/ph240/kersten2

High coverage of HDR standard

The industry HDR standard covers a huge range of brightness from 0.0005 nits — the lowest measurable level — up to 10,000 nits. The true blacks and high brightness possible with OLED displays give them a 75% coverage of the HDR standard, compared to about 46% for LCD displays.

HDR coverage (%)

Brightness (nits, log10)

HDR standard

0.0005 ~ 10000 nits

OLED

0.0005 ~ 500 nits

LCD

0.1 ~ 500 nits

Millions of pixels, individually illuminated

The pixels on an OLED display each contain three sub-pixels. For example, a 4K (3840 x 2400) display has 9,216,000 pixels, which means it has 27,648,000 sub-pixels. Each sub-pixel self-illuminates independently, unlike LCD displays with pixels that need to be backlit, usually by just 50 or 60 LEDs. This means that it’s easier to achieve true black on an OLED display, by simply turning off a pixel. This can’t be done on an ordinary LED display, because the backlight can’t be turned off with such granularity. This fact also gives OLED displays exceptionally high contrast.

LCD

ASUS OLED

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