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					                                               SCI/TECH &ADS
TEHRAN TIMES INTERNATIONAL DAILY                                                                                                                              OCTOBER 12, 2008
                                           New machine prints sheets of light
                                          NISKAYUNA, New York (AP) —                                                                                                   tor-level price.
                                          On a bank of the Mohawk River, a                                                                                                 The lamp is more of a curiosity
                                          windowless industrial building of                                                                                            than a practical product: the light is
                                          corrugated steel hides something                                                                                             dim, and gradually grows dimmer,
                                          that could make floor lamps, bed-                                                                                            losing half its brightness after 2,000
                                          side lamps, wall sconces and                                                                                                 hours. Its OLED panels are only a
                                          nearly every other household                                                                                                 few inches wide, and made of glass
                                          lamp obsolete.                                                                                                               rather than plastic. They protrude

             Established in 1968              The size of a semitrailer, it coats
                                          an 8-inch wide plastic film with
                                          chemicals, then seals them with
                                                                                                                                                                       from a central stem like the leaves
                                                                                                                                                                       of a fern.
                                                                                                                                                                           The panels in Maurer’s lamp are
 First and Leading Provider of Chinese    a layer of metal foil. Apply electric                                                                                        made by Osram Opto Semiconduc-
                                          current to the resulting sheet, and it                                                                                       tors, a subsidiary of German indus-
  Cuisine in Iran and the Middle East     lights up with a blue-white glow.                                                                                            trial conglomerate Siemens AG,
                                              You could tack that sheet to a                                                                                           which is also the parent of Osram
   Golden Dragon Chinese Restaurant       wall, wrap it around a pillar or even                                                                                        Sylvania, a competitor to GE in the
                                          take a translucent version and tape                                                                                          general lighting market.
       has not any other branch.          it to your windows.                                                                                                              Osram Opto made them with an
                                              Unlike practically every other                                                                                           expensive, slow process known as
     Address: Pol-e-Roomi, Beginning of   source of lighting, you wouldn’t                                                                                             vacuum deposition that has domi-
                                          need a lamp or conventional fixture                                                                                          nated OLED development so far.
      Qeytarieh, Shariati Ave., Tehran    for these sheets, though you would
                                                                                    metal as the filament in a regular       know we look our best in soft light.
                                                                                                                                                                       One virtue of this method is that it
                                          need to plug them into an outlet.                                                                                            can be combined with the technolo-
    Tel: (+98 21) 22230292 – 22219036         The sheets owe their luminance        light bulb. That’s still used today,
                                                                                    nearly a century later.
                                                                                                                                The big glowing sheets could also
                                                                                                                             make light sources out of everyday
                                                                                                                                                                       gies that produce LCD displays to
                                          to compounds known as organic                                                                                                make full-color OLED TVs. Sony
                                          light-emitting diodes, or OLEDs.             The invention of the incandes-        things. GE imagines putting OLEDs
                                                                                                                                                                       Corp. sells an 11-inch model for
                                          While there are plenty of problems        cent bulb created the pattern for        on the inside of window blinds -- pull
                                          to be worked out with the technol-        home lighting: Our light sources are     them down, light them up, and you
                                                                                                                                                                           OLED TVs have to become
                                          ogy, it’s not the dream of a wild-eyed    small and bright. Maybe there are a      have light streaming from the win-
                                                                                                                                                                       much cheaper (and larger) to be-
                                          startup.                                  few in the center of the ceiling, and    dow, even at night. You could even
                                                                                                                                                                       come mass-market products, and
                                              OLEDs are beginning to be used        a few in the corners of the room. Be-    make OLED wallpaper, since the
                                                                                                                                                                       OLED lights have to be cheaper
                                          in TVs and cell-phone displays, and       cause they’re too bright to look at,     material is flexible.
                                                                                                                                                                       still. That’s the issue GE is tackling
                                          big names like Siemens and Philips        they need to be reflected and dif-          “We have a lot of ideas for what
                                                                                                                                                                       with its printer, which dispenses
                                          are throwing their weight behind          fused with lamp shades and frosted       we can do with it,” said German
                                                                                                                                                                       with vacuum deposition in favor
                                          the technology to make it a lighting      glass.                                   lighting designer Ingo Maurer.
                                                                                                                                                                       of a process that’s not much more
                                          source as well. The OLED printer             OLEDs could overturn all that,           He and his firm have already cre-
                                                                                                                                                                       complicated than the printing of a
                                          was made by General Electric Co.          with broad, diffuse light sources        ated the first commercially available
                                          on its sprawling research campus          bathing rooms in a gentle glow. Pho-     OLED lamp, and is selling it in a
                                                                                                                                                                           In the next step, GE plans to
                                          here in upstate New York. It’s not far    tographers go to great lengths to dif-   limited edition of 25. He expects to
                                                                                                                                                                       build a larger machine that can print
                                          from where a GE physicist figured         fuse the illumination they use when      deliver the first two this month, at an
                                                                                                                                                                       panels several feet wide. Its output
                                          out a practical way to use tungsten       shooting portraits, because they         undisclosed but presumably collec-
                                                                                                                                                                       could be sold commercially as early
                                                                                                                                                                       as 2010, Duggal said, but he ac-
                                                                                                                                                                       knowledged that’s a “very aggres-
                                                                                                                                                                       sive” goal.
                                                                                                                                                                           Since the production runs will
                                                                                                                                                                       be small by then, the prices won’t
                                                                                                                                                                       be accessible to the average con-
                                                                                                                                                                       sumer. But the luminous OLEDs
                                                                                                                                                                       could show up in niche, luxury
                                                                                                                                                                       settings, like casinos or fancy res-
                                                                                                                                                                       taurants, where the thin and flex-
                                                                                                                                                                       ible lights could allow the creation
                                                                                                                                                                       of striking architectural or artistic
                                                                                                                                                                           Looking ahead a few more years,
                                                                                                                                                                       printing could reduce the cost of
                                                                                                                                                                       OLEDs to little more than the cost of
                                                                                                                                                                       the stuff it’s printed on, said Janice
                                                                                                                                                                       Mahon, vice president of technol-
                                                                                                                                                                       ogy commercialization at Universal
                                                                                                                                                                       Display Corp. in Ewing, New Jersey.
                                                                                                                                                                       The company is a leader in OLED
                                                                                                                                                                       research, and develops some of the
                                                                                                                                                                       organic compounds, which are akin
                                                                                                                                                                       to the dyes used to color clothes. If
                                                                                                                                                                       printed on metal foil, the cost of an
                                                                                                                                                                       OLED light could be less than a dol-
                                                                                                                                                                       lar per square foot, Mahon said.