continued

not. CCFLs just work and work well. Drivers are well ^{eepn2: What about an application like} understood. There's not a compelling problem to ^{Brightside (a company that uses white} solve. A lot of these backlight technologies last a lot ^{LEDs as backlights with controls that} longer than people thought they would. We started ^{selectively adjust image brightness as a} seven or eight years ago worrying about the ^{way to enhance dynamic range)}

40,000 hour mark for CCFL. Companies started to Atwood: It's a brilliant thing...a great idea. But the
stock replacements but they failed when CCFLs just problem with LEDs is nonlinear aging. In a bucket of
didn't fail. The monitors were thrown away before 100 LEDs, 99 are different! Lamps in arrays don't all
the backlights. Military applications need range and age together, creating a natural imbalance of
ruggedness more than color gamut. LED backlights luminance and color, so correction is needed, and
come on when cold and run when hot, and can it’s hard to maintain white balance. I'm sure they
extend the temperature range of a panel by 30 to either have to do periodic re-calibration, or optical
40 degrees. sensing to see the aging. You can’t just look at
current because conversion efficiency changes with

eepn2: It sounds like EEs working in the age, so you have to look at light output. All high-end display area better get ready for solid units throw in an optical sensor. The rectangular light state backlights. pipes are nice since all the LEDs are integrated into Atwood: I think that’s a huge worry. If you go one strip. Just throw in an optical sensor and you’re beyond major panel makers there's a whole class of good to go. developers that do their own integrated monitors for specialty and industrial applications...and for eepn2: At the home shows, for example, markets like mobile and automotive. In many cases we see LEDs for general household (monitor developers) do their own backlights. Those lighting. It looks like the technology will guys are sweating this out. Should you invest lots of be dumped on us quickly. your own money on IP (Intellectual Property) for your Atwood: That's right, and the volume opportunities own solutions? Or wait for one of majors? Do you are higher. It's a much bigger market than displays. do it just to bridge the gap until the NECs and LGs NEC today is going ahead with LEDs in industrial have everything you need? If you wait for it to be products. Others are showing LEDs in TV style done for you, you can lose market share. If you panels. They may be coming faster than we think but spend money, do you get it back? I don't know what will be in specific (markets).

I'd do.

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