IFTLE 75: LED market is about to explode

By Garrou
IFTLE 75 is a nice round number and if we combine these with their predecessor PFTLE (still accessible here ) we are now past 200 and approaching four full years of these weekly updates. Certainly no other information source available has been following 3D IC on a weekly basis for as long. I'll try to come up with something special for IFTLE 81, which would be the beginning of Year Five.

Once again I thank all of you, my readership, for paying attention. Hopefully there continues to be something for each of you to learn from each and every blog.

We've spent a lot of time the last four years discussing what's going on in the 3D IC space because undergoing this evolution some day will be viewed as a very important event in IC packaging history. But that doesn't mean that there are no other very significant packaging evolutions and market opportunities going on at the same time. Certainly the LED space is one of those.

We all know that LED producers are looking at white light and replacement of the incandescent bulb as the "big dog" driver application in this space, and I have ranted on the demise of "Lester the Lightbulb" [see IFTLE 63: "Bidding Adieu to Lester Lightbulb "].

Yole Développement and IC Insights have both released recently some very interesting LED component and packaging market data. The overall LED marketplace according to Yole looks something like this:




Further, Yole's LED experts expect all phases of LED production, including packaging, to undergo a >10× cost reduction over the next 10 years.




It is an IFTLE perception that backlighting for TVs will be equally, if not more important than home lighting.

LED-backlit TVs and smart televisions which allow consumers to browse and view shows directly from the Internet, have replaced 3D TV as the "must-have" features driving television purchases in 2011, according to the soon-to-be-released 2012 edition of IC Insights' Integrated Circuit Market Drivers report . In 2011, LED-backlit TVs are expected to account for an estimated 37% of global TV shipments, up from 15% in 2010. IC Insights forecasts that LED TVs will represent 53% of digital TV shipments in 2012. [see LED TV, Smart TVs Drive Digital TV Units in 2011 as 3D TV Wanes ]




Besides being thinner and lighter, LED-backlit TVs have rapidly gained favor among consumers because they tend to offer broader color range, improved contrast ratios, and use less power. Also, LED TVs are said to be more reliable, offering over 100,000 hours of life compared to traditional cold cathode fluorescent lamp (CCFL) LCD TVs, which are often rated at 20,000 hours. [Although I do wonder how they tested this -- see "Lester the Lightbulb" discussions.]

In general, digital TV growth rates are expected to remain fairly flat in developed markets (e.g., North America, Europe, and Japan) through the forecast period, since the big upgrade cycle in these regions has mostly already occurred. However, India, China and other countries throughout the Asia-Pacific and Latin America are forecast to enjoy strong DTV growth. Fast-growth economies, increased disposable incomes, and large populations will drive this expansion. Asia-Pacific is undergoing a digital TV boom that some believe will result in 70% of homes having a DTV in 2015, up from approximately 35% in 2010.

That IC Insights report also notes how the method of delivering programming is quickly transforming broadcast television. Just as smartphones brought the Internet and thousands of applications to cellphone users, "smart TVs" are bringing Internet and Web 2.0 features to television sets and offering access to TV broadcasts, videos, movies, photos, and other content via the Web. An estimated 20% of television shipments in 2011 were smart TVs, but this is expected to increase to nearly 40% of in 2012. Consumers will be able to watch almost anything found on a Web site on their television.

While the leading edge of LED packaging is going wafer-level (see below) using bumping and backside TSV technology, the bulk of the packaging as it enters the backlighting market is still on lead frames as shown below for the Osram Golden Dragon. Package development for LEDs appears to be in its infancy similar to where bumped WLP devices were a decade ago. Expect to see rapid changes in LED packaging over the next five years.







For all the latest in 3D IC and advanced packaging, stay linked to IFTLE ..........


PhilG100x100

Dr. Phil Garrou gives his insight into leading edge developments in 3-D integration and advanced packaging, reporting the latest technical goings on from conferences, conversations, and more.

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