Archive for the 'TDEL' Category




Fri
19
May '06

More on TDEL

by Henning

Pursuent to yesterday’s article about TDEL HDTVs, I e-mailed iFire and ask them about burn-in and some specs. They told me that TDEL displays will not be subject to burn in, and they sent me this handy chart:

Specification LCD Plasma CRT TDEL Targets
Peak Luminance 500 350 700 500
Full Screen Luminance 500 50 100 150
Contrast 1000:1 >2000:1 >2000:1 >2000:1
Viewing Angle improving good good good
Response Time ~10 – 25 ms < 2 ms < 2 ms < 2 ms
Grayscale analog,
frame by frame
frame rate
control, frame
hold
line by line line by line
Power 170W 250W 200W < 200W


Thu
18
May '06
1

Solid state TDEL flat panel HDTVs

by Henning

HD Beat notes that Westaim hopes to bring the thick-film dielectric electroluminescent technology (TDEL) screens to market in 2007. They’ve been following this technology since 2004, though I missed it somewhere. Supposedly TDEL flat panels are cheaper than LCDs and plasmas. And the picture quality is supposed to be good too! Are there no drawbacks? Price, right? Well, Westaim’s 34″ flat panel is supposed to come in at less than $1000. I don’t know what resolution or quality that display will be, but it sounds promising.

How does it work? “It involves no gases, liquids or vacuums and requires no backlighting. Instead the materials are layered directly onto the glass which they say provides better PQ and a wider viewing angle, with half the production cost of LCDs.” Pretty cool sounding. I went to the iFire website and looked up what they’re doing. It looks different than anything I’ve seen. The only thing that worries me (for now) is that the light source is blue phosphors. Does this mean the panel is subject to burn-in?

Is this going to be the SED killer? HDTV watchers like me have been waiting for a flat panel without the disadvantages of LCDs and plasmas. SED looks promising, but will probably be expensive and suffer from burn-in. Will TDEL be the new rage? Time will tell.

Solid state TDEL flat panel HDTVs — still — coming soon



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