source:
http://news.zdnet.com/2100-1040_22-5790384.html
http://news.com.com/2300-1041_3-5790363-1.html
Multitasking monitor does double duty
By Alorie Gilbert, CNET News.com
Published on ZDNet News: July 15, 2005, 12:32 PM PT
ZDNet Tags: Monitors and displays Multimedia TVs Video Entertainment
A new TV monitor from Sharp could soon end a common source of
household strife--choosing a channel. But it may mean sitting at the
opposite end of the couch from your honey. The new liquid crystal
display, which should hit stores this month, will be the first mass-
produced monitor capable of displaying different images at the same
time depending on the angle at which viewers are watching, Sharp said
on Thursday.
Sharp says the technology, which it calls "two-way viewing-angle
LCD," is useful for a number of things. For instance, one person
could watch a TV program while another surfs the Web with the same
monitor. In a car, the monitor might display a map for the driver
while playing a movie for passengers.
The screen could also function as a double-duty billboard, displaying
different advertisements at the same time. A salesperson could use it
for meetings with customers, keeping certain confidential data from
view, Sharp said.
However, watching different TV shows or movies at the same time
creates a problem--overlapping sound. For that, viewers would
presumably need to wear headphones, which might make movie night with
the family a little awkward.
The dual-image LCD will cost about twice as much as Sharp's standard
display, according to an Associated Press report. Sharp
representatives were not immediately available to discuss pricing.
The technology that enables the device is called a "parallax
barrier." When superimposed on the LCD, it causes "the light from the
backlight to separate into right and left directions, which makes
possible a display in which the view differs depending on the angle
at which the screen is viewed," Sharp said in a statement.
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