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OLED Display

Samsung's OLED displays are leading the global small- and medium-sized display market through various innovative technologies such as clear image quality, slim design, and low power consumption.

Background with various colors
What is OLED?

Structure and principle of OLED display

Structure and principle of OLED display

OLED (Organic Light-Emitting Diodes) display is a ‘self-luminous display’ using organic materials that self-illuminate when a current flows through them.

Unlike LCD, which expresses colors through liquid crystals and color filters utilizing light sources of backlight, OLED expresses colors through RGB light-emitting materials, which are the three primary colors of light that respond to current applied to the organic light-emitting layer.

OLED is excellent in terms of image quality, thickness, and power consumption as each pixel directly emits light, and its bendable and foldable properties allow it to be utilized in a variety of applications.

Why Samsung OLED™?

Overwhelming image quality

Brighter and clearer OLED

DCI-P3

74%
Conventional

DCI-P3

120%
Samsung OLED

Samsung OLED™ boasts excellent color reproducibility due to its self-luminous properties. A wide color gamut equivalent to 120% DCI-P3 brings a variety of colors to life. In addition, the high brightness and low reflectance of 1,500 cd/m2 or more allows you to get clear image quality even under strong sunlight, so you can effectively watch content indoors and outdoors.

*DCI-P3: As a color gamut suitable for the digital video era, it is possible to express a color gamut that is 25% wider than that of sRGB

woman doing ballet pose

Bright
highlight

Shadow
detail

Contrast ratio : 1,000,000 : 1

Because Samsung OLED™ implements 'Real Black' of less than 0.0005nit, the contrast ratio is close to infinity. The contrast ratio is the difference between the maximum luminance (white) and minimum luminance (black) of a display expressed by a number and is a significant factor in determining image quality as it can express the degree of lightness and darkness in detail.

With a contrast ratio of 1,000,000:1 or higher, Samsung OLED™ is the best display for realising High dynamic range (HDR) because it can express detailed, deeper and more three-dimensional images.

Watching a racing video

LCD

OLED

Reaction rate
1.5 times UP

In the 5G era, where high-spec content such as games, 8K high-resolution video, and VR/AR is increasing, the refresh rate and response speed of the display are important for smoother and more natural image quality. Samsung OLED™ is a display suitable for users who enjoy dynamic and colourful high-end contents with fast response speed and clear image quality.

OLED realises fast response speed with fast electron mobility and current driving characteristics that do not require liquid crystal. Samsung OLED™ supports a high refresh rate of 120 Hz and has a response speed of about 1.5 times faster than LCD, so you can see fast and natural movements without delay.

OLED for Samsung smartphones has obtained the “Seamless Display” certification by recording the industry’s highest levels in “Blur Length” and “Motion Picture Response Time (MPRT)” in the evaluation of global certification company SGS.

Low power consumption, long battery life

electron movement in the organic layer

Light
efficiency

+16%

OLED 2020

New Material
(2021 OLED)

Samsung Display has developed low-power OLED technology through new organic materials with better luminous efficiency. The new organic material has been improved to make the movement of electrons in the organic layer faster and easier, the luminous efficiency has been greatly improved, and the power consumption has been lowered by more than 16% compared to the previous one.

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Samsung Display has commercialised “Adaptive Frequency™” technology, a low-power OLED technology that automatically adjusts the refresh rate of the display. “Adaptive Frequency” is a panel technology that minimises overall power consumption by automatically adjusting the display refresh rate from 10 Hz to 120 Hz depending on the consumer’s usage environment.

By supporting variable refresh rates, such as 120 Hz for games with fast screen switching and 10 Hz for still images, the panel driving power can be reduced by up to 22% compared to the existing ones. By variably driving the refresh rate depending the situation, it is evaluated as a groundbreaking display technology that increases the usage time of smartphones in the 5G era, where video streaming and game content are rapidly increasing.

An image of 2 OLED laptops

Unlike LCD with an always-on backlight, OLED emits only the necessary pixels, so power consumption is greatly reduced when displaying dark images.

The “Dark mode UI” recently supported by global IT companies is User experience design that darkens the background that does not contain information on the screen. By applying the Dark mode UI to Samsung OLED™, the On Pixel Ratio among all pixels can be significantly reduced, reducing power consumption by about 25% (based on laptops).

Sleek and chic design

Comparison of panel thickness between LCD and OLED

Also, dissimilar toLCD that requires a backlight, OLED is about 30% thinner and lighter due to its simple structure. As the panel thickness decreases, the weight and thickness of the smartphone decreases, enabling a slimmer product design and providing an environment optimized for mobile devices such as increasing the battery area in the product.

UPC™ that mounts the front camera on the top of the product under the panel

UPC AREA

UPC Under Panel Camera

Samsung Display has developed UPC™ (Under Panel Camera) technology that allows the front camera on the top of the product mounted under the panel. The technology secures camera functions by increasing the light transmittance of the panel part where the camera module is located. Normally, the screen is used for displaying general video or images, but when necessary, the camera can be operated to take pictures or videos.

By applying UPC™ technology, a full screen with an invisible camera hole can be realized on the front display, increasing screen immersion and making the product design much cleaner.

Comparison of structures of rigid OLED and flexible OLED

Samsung OLED™ is an innovative flexible, foldable display that provides consumers with new product form factors and usability.

Flexible OLED is a flexible panel completed by applying flexible PI substrate and TEF technology. Unlike glass, which is difficult to process, PI can be made much thinner, thereby reducing the overall weight.

Samsung's flexible OLED has advanced the era of full-screen display with minimized smartphone bezel with an 'edge display' which can bend at both ends.

In addition, the foldable OLED, which can be folded and unfolded, has brought mobility innovation with a design that enhances convenience for large screen users.

Human-Friendly display

The proportion of harmful blue light between LCD and Samsung OLED

As the time spent using IT devices increases, the user’s eye strain also increases. In particular, exposure to “blue light” that affects retinal cells while watching a display for a long time can adversely affect eye health.

Samsung OLED™ uses a self-luminous principle to reduce the emission of harmful blue light wavelengths. Samsung OLED™ reduces harmful blue light ratio and maintains color by emitting safe wavelengths, providing a more comfortable viewing environment for users.

Comparison of pollutant emissions

2.3 mcg/m3

LCD

VOC

-50%

0.9 mcg/m3

OLED

Pollutant emissions
(Volatile Organic Compounds)

As the time spent using laptops and tablets has increased, consumers' interest in the usage environment of electronic products has also escalated. As a result, consumer demand for eco-friendly products is rising.

Samsung Display's OLED for IT devices has achieved UL's ‘GREENGUARD Gold’ Certification for low chemical emission, providing consumers with an opportunity to choose healthy and safe products.

'GREENGUARD Gold' is an eco-friendly certification awarded to electronic products that meet its volatile organic compounds (VOCs) and particle emission standards. It is used as a criterion to determine the impact of the product on the safety of indoor air quality.

Samsung OLED™ reduces the emission time of harmful substances by more than half compared to LCD (based on 4 hours of use), keeping indoor air quality even cleaner.

Features of each application

Mobile

Sunlight Visibility

10,000 lux

  • Ambient
    Color Gamut
    (DCI-P3)

  • LCD

    30%

  • OLED 2021

    73%

Samsung OLED™ provides clear and vivid image quality anytime, anywhere. In an outdoor environment where the surrounding environment is relatively bright, the display’s brightness, color expression, and saturation are lower than indoors, making it difficult to recognise accurate characters or colors.

Samsung OLED™ provides excellent picture quality even in outdoor environments in bright sunlight with high luminance and low reflectivity. Samsung's OLED scored 73% in the DCI-P3 ambient color gamut, which is more than twice that of LCD even in bright environments over 10000 lux, realized a maximum luminance of over 1500 nits, and received exceptional 'Sunlight Visibility' verification from UL.

Hole display

Hole display is one of the technologies applied to the full screen by exposing the front camera or sensor by making a hole in the position where the display screen is driven. For this, advanced display pixel patterning technology and hole processing technology are required. This is because image quality uniformity and light transmittance around the display hole are very important.

Samsung Display’s Hole display boasts high image quality uniformity and transmittance by utilising a simple laminate structure unique to flexible OLEDs. It has been recognised by Underwriters Laboratories (UL), a global safety certification company, for its excellent image quality performance with no color deviation in “Hole Area Clarity”.

The hole display technology and performance, such as color, brightness, and saturation around the hole were also evaluated to be the best in the industry.

Comparison of the panel structure of Eco² OLED™ and conventional OLED

Samsung Display has debuted its new ‘Eco² OLED™ (Eco Square OLED)' technology, which dramatically reduces the power consumption of panels. This technology removes the polarizer applied to the panel to increase light transmittance and optimizes the pixel structure to control external light reflection.

Eco2 OLED™ improves the light transmittance rate by 33 % while lowering the power consumption of display panels by up to 25 %. In addition, it is an eco-friendly technology that reduces harmful substances by eliminating the use of the plastic polarizer layer, increasing color purity, and boasting a wide color reproducibility.

IT (laptop/tablet)

fast response time

Conventional

1.5 times

Samsung OLED

Clearer

Samsung OLED™ is hogging the limelight as a gaming product due to its fast response time as well as vivid color expression. Samsung Display OLED obtained the “Gaming Performance” certification from SGS, a global certification company, by recording respectively 1.4 mm or less and 15.4 ms or less in Blur length and MPRT, which are important image quality factors when enjoying dynamic and speedy action games.

Samsung OLED™ not only enhances game immersion through smooth screen transitions without blur length, even when playing games with a lot of movement, but also provides an environment where gamers can maximise their performance, where instantaneous control is important.

The fast response speed of Samsung OLED™ along with vivid and clear image quality provides the best display environment for consumers who enjoy dynamic and colourful high-end games.

Cinematic Experience
DCI-P3

74%

Conventional

DCI-P3

120%

Samsung OLED

Samsung OLED™ has obtained the “Cinematic Experience” certification in recognition of its excellent picture quality, which expresses a wide color gamut of more than 120% of the color volume of the American film industry standard (DCI-P3) and perfect black of less than 0.0005 nits.

Premium OLED laptops with high image quality of UHD provide overwhelming image quality when watching movies or videos with the best display performance, such as fast response speed, excellent black expression, high contrast ratio and excellent color gamut.

With high-performance HDR technology, bright scenes are realistically bright, and dark scenes are expressed with deeper blacks, giving you a vivid image as if you were in a small cinema. In addition, by applying ‘Blade Bezel’ technology, the screen-to-body ratio of laptop devices is realized up to 93%, maximizing the immersion of the viewer.

Automotive

As interest in future automobile markets such as electric vehicles and autonomous vehicles increases, vehicle displays are also attracting attention. As automobiles transform from a simple means of transportation to a space that provides users with valuable time, the level of information and entertainment provided to them is also increasing. The types and quantity of displays mounted on vehicles are also gradually increasing.

In-vehicle displays should not only have a high degree of design freedom, but also have high visibility so that the screen can be viewed well even under strong sunlight. It must also provide fast response speed and accurate information, regardless of temperature. LCDs have slow screen response at low temperatures, so screen switching is slow, but OLEDs show quick response regardless of the weather. In addition, it can be applied to various designs through excellent outdoor visibility and Flexible OLED, which is advantageous for automotive displays.

In-vehicle displays
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