News: LED
Osram Opto files against Nichia Osram Opto Semiconductors
Miinchen
(Regensburg,
Munich).
Germany)
filed two intellectual
has
property
Japan, and its US
and German subsidiariesA patent infringement
Japan and
Corporation
the US District
Court for the
Eastern District Pennsylvania.
in
of
In addition, a util-
ity model infringement has been brought Nichia Chemical
lawsuit
against
Nichia Corporation,
and 6,245,259
Japan, and
Europe
GmbH in the Landgericht
technology
homogeneous
suits, Osram is seeking an
light, e.g. white light.The
injunction
nology was developed
property
and
297 24 382.9 relating to basic
has been filed against the Nichia America
6,066,861
in Germany With these lawto put a stop to the
infringement
the United States Patents Nos. the German Utility Model No.
lawsuit
Nichia Corporation,
Court of
The lawsuits seek to enforce
lawsuits against the Nichia Corporation,
(District
for the manufacture
of its intellectual
rights with immediate
The subjects
chip white LEDs.
of the intellectual
rights are a wave-
single LED chip.
position
In its complaints,
light emitting
as well as a related
that Nichia has infringed and is infringing
technology
for the industrial of mixed light
Conference
Cree, Inc. (Durham,
NC, USA) introduced
XBright
At 900 x 900 microns, XBright
the LED
Power Chip is signifi-
Semiconductors.
devices emit
of 250 mW at 350
commercially
with a typical brightness
chips in the market. Since
XBright
900 Power Chip product ly includes
of
ed application
target-
10 times the light output
devices is the specialty ing marketThe
light-
company devices
targeted
has with
to ramp
shortly.
an ultraviolet
fami405
nm device with a typical
our standard XBright believe
President
and
of
Nichia doubles white LED output
chips, we
these high power LED
devices will enable
Nichia Corp., announced
a new
range of lighting applications.” The XBright
Chuck Swoboda,
available power
these chips deliver more than
for these
of the XBright
by the company.The
Chip sets a new standard for
mA, and a 470 nm blue device
begun sampling
LED chip offered
Dr. Ruediger
devicesThese
production
technology
to use our technology”,
selling and offering for sale cer-
cantly larger than industry
area version
licence
tain white LEDs in the US and
standard (300 x 300 microns) LED chips and is the first large
which neither
holds nor has applied for a
Mueller, CEO of Osram Opto
150 mW at 350 mA.The
900 Power Chip LED.
gy by a company
emitting single chip LED
brightness
In Light
Nichia, we intend to prevent
commented
Cree larger area LEDs At the Strategies
claims
the illegal use of our technolo-
semiconductor which is a basic
manufacture
company
“With our lawsuits against
casting com-
component,
rights by importing,
1995
and 1997.The
property
property
between
it was the first to market single
length converting
these intellectual
of Osram Opt0
Semiconductors
sation of damages.
semiconductor
Osmm alleges
tech-
by
effect and is claiming compen-
of mixed colour light emitting devices using a
employees
mixed colour
Power Chip prod-
uct is an offshoot
of a collabo-
development
white LEDs achieving intensity
the
of surface-mount luminous
50% higher than cur-
rent parts.
CEO of Cree said, “This is a
rative R&D effort between
tremendous
Cree and the US DOE, National
The increased
and for the industry. We
Energy Technology
results from a more efficient
believe
(NETL).
milestone
for Cree
that our new Power
Laboratory
conversion emitted
brightness
of electricity
to
white light, making
the part ideal for backlighting of full-colour
Microsemi reveals LED strategy Microsemi launched
(Irvine, CA, USA) its new UPBLED470A
UltraBright
blue LEDs, while
the company’s Powermite
packaging,
LED will be available for Nichia’s NSCW2 15 series, a side view surface-mount improved
die from Cree.
patented
These two conventional
LEDs
mm in height.
Optomite
ing strategy for next-generation
die from Cree, a combination
are the first in what will
LED products, including light
that allows higher power
become
engine architectures
in a smaller SMT package.They
of high-power,
join Microsemi’s
first LED, the
blue and white LEDs from
targeted
blue MegaBright
UPBLED47OB
Microsemi.
2002.
and a
LED on silicon
technology.
REVIEW
THE ADVANCED
~~~~C~~~~C~-~~
M~~AZi~~
VOL15
- NO 2 - MARCH
2002
LED.The
NSCW2 15 emits 600
mcd of light and is only 1 .O
called
and GaN-based
in
mobile
First samples for the new white
that also is based on GaN
of
LCD screens
powered
devices.
revealing its systems engineer-
breakthrough
Ill-k
They have a derivative
battery
a wider product
Engineering line
high-brightness
samples
will
be available in this quarter; volume production
is
for Q2 of calendar