OLED Display Technology Moving to Compete in the TV Market

Mobile PCs and TVs Expected to Adopt AMOLED Displays in 2012

Sort Date: 01062012

SANTA CLARA, Calif., January 6, 2012—According to the recently-released NPD DisplaySearch OLED Technology Report, organic light emitting diodes (OLED) technology advanced rapidly in 2011, a trend that NPD DisplaySearch forecasts will continue through this decade. OLED technology has progressed in areas including organic materials, color patterning, electronic driving methods, and encapsulation. However, the ability to scale OLED display manufacturing to fabs larger than the current Gen 5.5 has yet to be demonstrated, and the cost of larger panels is not yet clear.

OLED emerged in the 1980s from laboratories at Eastman Kodak in the US and Cambridge University in the UK, and was first commercialized in the late 1990s. Enthusiasm has increased recently as Samsung Mobile Displays has started manufacturing active matrix OLED (AMOLED) displays in a Gen 5.5 fab and announced plans to build a Gen 8 fab (as did LG Display), and several other suppliers entered or re-entered OLED display manufacturing, including AUO, CMI, IRICO, Tianma, and BOE.

The NPD DisplaySearch OLED Technology Report details how OLEDs offer a solid-state solution for displays, lighting, and organic electronics. OLED displays can provide high contrast ratio, fast response time, wide color gamut, and wide viewing angle, while operating in a broad temperature range at low power consumption. In addition, OLED technology enables thin devices that can be both flexible and transparent.

OLED display revenues are estimated to exceed $4 billion in 2011 (approximately 4% of flat panel display revenues), and are forecast to reach more than $20 billion (approximately 16% of the total display industry by 2018. In addition, OLED lighting gained momentum in 2011, and is forecast to reach revenues of approximately $6 billion by 2018.

“OLED displays operate through direct emission, as opposed to transmissive LCD or reflective displays, which enables area lighting,” said Jennifer Colegrove, PhD, Vice President of Emerging Display Technologies for NPD DisplaySearch. “The technology has made good progress and is ready to enter large-size applications, but low cost manufacturing for large sizes is still a challenge.”

OLED is now a mass-market technology in small/medium displays, particularly in smart phone applications. Investments in Gen 8 (2200 × 2500 mm) fabs indicate that AMOLED will compete in larger size applications, such as in TV and mobile PCs, within two years. Samsung released a 7.7” AMOLED tablet PC in December 2011, and more tablet and other mobile PCs are expected in 2012. LG is expected to enter the market in 2012 with a 55” AMOLED TV. With technology improvements, NPD DisplaySearch forecasts AMOLED will enter other applications as well.

While nearly all AMOLEDs on the market are currently based on LTPS, several companies are developing AMOLEDs using oxide or a-Si TFT backplanes, and are likely to start production in 2012.

Table 1: Comparison of LTPS, a-Si, and Oxide TFT for AMOLED

Characteristic

LTPS

a-Si

Oxide TFT

Electron
mobility

Excellent
10‑500 cm²/VS

Poor
0.5 cm²/VS

Good
1-40 cm²/VS

Uniformity

Poor

Excellent

Good with amorphous type,
poor with crystalline type

Stability

Excellent

Poor

Poor

Scalable

Limited to <40”

Excellent, >100”

Potential to 100”

Process temp

High
>400°C

Typical ~300°C,
some low temp process can be ~150°C

Typical ~200°C,
but some anneal at 350°C

Cost

High

Low

Medium

Availability

Yes
MP

Demo for AMOLED;
Announced by
RiTdisplay and IGNIS;
MP by end of 2011

Demo for AMOLED;
MP estimated
by end of 2012

Challenges

Uniformity, cost, scalability

Poor mobility;
poor stability

Threshold voltage unstable;
manufacturing process not mature

Source: NPD DisplaySearch OLED Technology Report

The NPD DisplaySearch OLED Technology Report includes some other key findings:

  • Organic materials of all types have efficacies ranging from less than 10 to nearly 100 cd/A. Large increases in efficiency have been obtained with phosphorescent materials, especially in red and green.
  • Nearly all AMOLED displays are made using thermal evaporation through a fine metal mask (FMM) for color patterning. However, this method has low material utilization and is limited to small substrate sizes. Manufacturing processes with higher material utilization and better uniformity, such as linear and area sources, are likely to be adopted.
  • Other color patterning methods, such as white with color filter and solution-processed materials, are also evolving and ready to be adopted for mass production in larger generation fabs.

The 500+ page NPD DisplaySearch OLED Technology Report provides a detailed discussion on the rapid growth and adoption of OLED technology.  This comprehensive report provides historical data on OLED technology, organic material development, electronic driving types (passive matrix, LTPS TFT, a-Si TFT, Oxide TFT, organic TFT, etc.), color patterning methods, capacity analysis and a market forecast through 2018. The report provides detailed analysis on different solutions for the bottleneck in mass production for OLED color patterning. This report also discusses the current status of the OLED industry, developers in each region, and new opportunities.

For more information on this report, please contact Charles Camaroto at 1.888.436.7673 or 1.516.625.2452, or contact@displaysearch.com or contact your regional NPD DisplaySearch office in China, Japan, Korea or Taiwan.

About NPD DisplaySearch
Since 1996, NPD DisplaySearch has been recognized as a leading global market research and consulting firm specializing in the display supply chain, as well as the emerging photovoltaic/solar cell industries. NPD DisplaySearch provides trend information, forecasts and analyses developed by a global team of experienced analysts with extensive industry knowledge and resources. In collaboration with The NPD Group, its parent company, NPD DisplaySearch uniquely offers a true end-to-end view of the display supply chain from materials and components to shipments of electronic devices with displays to sales of major consumer and commercial channels. For more information on NPD DisplaySearch analysts, reports and industry events, visit us at http://www.displaysearch.com/. Read our blog at http://www.displaysearchblog.com/ and follow us on Twitter at @DisplaySearch.

About The NPD Group, Inc.
The NPD Group is the leading provider of reliable and comprehensive consumer and retail information for a wide range of industries. Today, more than 1,800 manufacturers, retailers, and service companies rely on NPD to help them drive critical business decisions at the global, national, and local market levels. NPD helps our clients to identify new business opportunities and guide product development, marketing, sales, merchandising, and other functions. Information is available for the following industry sectors: automotive, beauty, commercial technology, consumer technology, entertainment, fashion, food and beverage, foodservice, home, office supplies, software, sports, toys, and wireless. For more information, contact us or visit http://www.npd.com/ and http://www.npdgroupblog.com/. Follow us on Twitter at @npdtech and @npdgroup.

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