Panel beating: 15 LCD displays tested

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25 March 2002 04:54 PM
Tags: liquid crystal, technology, business, lcd, display, rmit, &, feature
Panel beating -- 15 LCD displays tested
By Kire Terzievski, Technology & Business Magazine
March 25th, 2002.



  Panel Beating:
Introduction
1. AG Neovo F-15
2. Compucon H540S
3. Eizo FlexScan L375
4. Hercules ProphetView 720
5. Hitachi CML153XW
6. LG 575LE
7. HP L1520 D5063A
8. Mitsubishi DV158
9. NEC MultiSync LCD1550V
10. Philips 150P2E
11. Samsumg SyncMaster151S
12. Sony SDM-M51
13. Targa TD15A-TFT
14. Viewmaster CS555
15. ViewSonic VX500
What to look for,
LCD VS CRT,
Sample scenario

Next-gen screens
Editor's Choice,
How we tested

Table of specs

About RMIT labs

Next-gen skinny screens light up

A new technology is lighting up the eyes of engineers. Organic light-emitting diode (OLED) displays are considered the next trend in the world of screens. Still, manufacturers are carefully approaching how they bring products to market and are sticking with small screens at first.

Manufacturers are interested in OLED because it could replace liquid-crystal displays (LCDs) for notebooks and flat-panel monitors. Unlike LCDs, OLED technology uses a light-emitting organic material that glows when an electrical charge is passed through it. This negates the need for backlighting, which eats up energy and adds thickness to the screen. "In the long run, OLEDs could be less expensive, brighter and thinner, and play video better than LCDs," says DisplaySearch analyst Barry Young.

When mass-produced, the organic displays are expected to cost about 20 percent less than LCDs because the manufacturing process is more streamlined. The next-generation displays require fewer materials and fewer manufacturing steps than LCDs, says Young.

Industry insiders, however, said that LCD technology still holds the reins of the industry and likely will for the next several years--at least among large displays such as those used in notebooks.

"It will probably be at least 10 years before the efficiencies in OLED display manufacturing is high enough that we'll see them in notebooks and (PC flat-panel) monitors," Young says. Bruce Berkoff, executive vice president of marketing at LCD maker LG Philips, also sees the technology spreading slowly.

"Consumers just aren't buying new displays all the time. They really only refresh every two or three years, which makes it difficult for a new technology to catch on quickly like that," says Berkoff. "They have a better chance with smaller devices like cell phones, which are growing like crazy."

Other manufacturers are likely to develop OLED displays in the same small sizes, says Young. "Large-size displays would be a competitive bloodbath for a new emerging technology such as OLED," says Young. "It's easier to go after smaller devices for competitive and efficiency reasons."

Young adds that manufacturing efficiencies tend to be higher in smaller displays, partly because companies can get more screens out of one piece of glass.

However, the technology industry has been known to break a few speed records in the past, especially when major players, such as Toshiba, Sony, Samsung, Philips, Eastman Kodak and DuPont, have committed themselves to this emerging market.

by Richard Shim, ZDNet


Next: Editor's Choice, How we tested


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