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An OLED uses organic semiconductors to create thin light emitting panels. OLEDs are used to create thin, beautiful, flexible and efficient display and lighting panels, and are the future technology of choice.

Recent OLED News

Users complain about the quality of LGD's pOLED used in the Google's Pixel 3

Google's 2017 Pixel 2 XL was one of the first phones to adopt LG Display's pOLEDs (6" 1440x2880) - and initial reviews of the display were rather dismal - as both reviewers and customers complained about bad color reproduction, graininess and problematic viewing angles. Many users also reported serious image retention issues.

Google Pixel 3 vs. Pixel 1 - pink hue problem

In 2017, Google used Samsung's Super AMOLED displays in the smaller in 2017. This year, for the 2018 Google Pixel 3, Google chose SDC's 6.3" 1440x2960 Super AMOLED for the larger Pixel 3 XL - with proved to be a top-notch display. For the smaller Pixel 3, Google picked LG Display's 5.5" 1080x2160 - probably hoping that LGD managed to improve its displays - and most importantly its quality controls.

New OLED gadget: Samsung W2019

Samsung W2019 is a dual-screen clamshell smartphone that features two 4.2" 1080x1920 Super AMOLED displays, a snapdragon 845 chipset, 6GB of RAM, 128/256 GB of storage and a dual-camera setup.

Samsung W2019 photo

Samsung did not yet reveal the price and release date of its 2019 flip phone.

Researchers use printed red and near-infrared PLEDs to create a flexible blood oxygen sensor

Researchers from the University of California Berkley developed a new flexible and lightweight blood oxygen sensor that can map oxygen levels over large area. The sensor uses an array of red and near-infrared OLEDs, together with organic photo-diodes, printed on a flexible substrate.

Red and infrared flexible OLED-based blood oxygen sensor (UCB)

The research was supported by Cambridge Display Technology, which means that these red and near-infrared printed OLEDs use polymer emitters (PLEDs).

Google details OLED power consumption, shows how Android's dark mode can help extend your battery life

As OLED is an emissive display technology, an OLED pixel only draws power when it is used - and the brighter it is, the more power it consumers. This of course means that adopting a dark UI is better for your device's power life.

Power consumption on the Google Pixel (2016) per color

During Google's recent Android Dev Summit, the company detailed the power consumption of the OLED display used in its 2016 Pixel smartphone (an SDC FHD 5" AMOLED). As you can see in the image above, the power consumption is different for each color (with red being the most efficient color and blue the least efficient). Surprisingly the display draws quite a bit of power even when completely black.

Merck and Visionox announce a strategic partnership to accelerate OLED material development

Merck announced that is has signed a Memorandam of Understanding China's Visionox to accelerate the development and application of OLED displays. Merck did not provide a lot of details, but it did say that this agreement markets a strategic alliance between Merck and Visionox.

Merck Shanghai OLED center inauguration ceremony photo

Merck offers a complete portfolio of materials for OLED display and lighting devices - including evaporation and soluble materials suitable for ink jet printing.

eMagin reported its financial results for Q3 2018

OLED microdisplay maker eMagin reported its financial results for Q3 2018. eMagin said it had another strong quarter supported by growth in its military with several new program wins and in its commercial business. Total revenues were $6.9 million (a 60% increase from Q3 2017), and operating loss was $1.3 million (down from $3 million in Q3 2018). Including a non-cash change in value of warrants, the company had a small net profit in the quarter.

eMagin SXGA OLED-XL microdisplay photo

Regarding its consumer business, eMagin updates that it has achieved design approval from one of its Tier-1 consumer electronics partners. eMagin's foundry partner will produce wafer for display prototypes for this customer. eMagin says that its direct-emission OLED microdisplays meets the wide field of view, no screen door effect and high brightness that the partner requires.

IHS sees 50 million foldable OLEDs shipped in 2025

IHS says that the foldable OLED market will grow from 200,000 units in 2018 to over 50 million units by 2025, taking up 6% of the total OLED market (825 million panels) and 11% of the total flexible OLED market (476 million).

Foldable AMOLED shipments forecast (2018-2025, IHS)

IHS sees fast growth ahead for the market, but the analysts say that smartphone brands are cautious about launching foldable smartphones because the phones should be durable enough for repeated folding and thin and light enough even when supporting a larger display and battery.