Product Brochure

Bright ideas - custom designed
LED-Chips
SMD-LEDs
LED-Modules
Made in Germany
Bright ideas - custom designed
OSA Opto Light GmbH markets
its products worldwide under the
trademark "OSA" through numerous representatives at home and
abroad.
OSA was founded in Berlin,
Germany during 1991 and most
of the OSA employees have more
than 25 years experience in the
field of solid state lighting.
Our highly motivated team of
chemists, physicists and engineers develop and manufacture
special LED - chips, surface
mounted LEDs (SMD - LEDs) including white and high power
SMD-LEDs as well as custom
designed LED - modules for
medical, automotive, industrial
electronics, back lighting and
general lighting applications. We
are a medium size company,
innovative and flexible.
Our factory is located in Berlin
and utilizes more than 1500 sqm
(including 300 sqm clean room).
We have state-of-the-art production facilities, technologies and
processes which include product
development, testing, a flexible
automated production of chips,
SMD packaging of various package sizes including high power
packages, 100% testing, LEDmodule assembly, development
and construction of production
equipment and tooling.
Our quality management system
is certified to ISO 9001 and operates also according to ISO TS
16949. Responsibility for quality
at all levels is an essential element
of our company´s strategy, i.e. to
develop, produce and supply
products that achieve a quality
standard which guarantees customer satisfaction.
We realize this goal by close
teamwork among all employees
according to the principle of "a
continuous improvement in quality and productivity".
OSA Opto Light GmbH is committed to providing cost effective
quality solutions and to remain
your innovative technology
partner.
OptoelectronicsMade in Germany
LED - Chips
OSA Opto Light GmbH is your
partner for development and
production of standard and
custom - designed LED - chips
such as:
High power chips
High speed chips
Monolithic displays
Special chip designs
Based on the material systems
(Ga,Al)As, (Ga,In)As Ga(As,P),
and (Al,In,Ga)P we offer a wide
product spectrum of LED - chips
in the visible (550 - 650 nm)
and near IRED-(660 - 1060 nm)
range. With these chip technologies we can cover the
demand for lower intensity
ranges as well as for high efficient chips.
One of our key competences is
the substrateless (Ga,Al)As technology, which allows us to
offer our customers LED - chips
in the wavelength range of λP
= 635 - 970 nm with a high
external quantum efficiency
and an excellent long time stability. The emission wavelength
can be chosen in 5 to 10 nm
steps and narrow wavelength
selections (down to tolerances
of ± 3 nm) can be offered.
Our (Ga,Al)As technology provides chips without secondary
peak. Some of the designs are
developed for short switching
times till 5 ns.
A 100 % high speed test of the
emitted spectrum is realized to
fit our customers demand. The
test includes peak, dominant
and centroid wavelength, half
width (FWHM), check for secondary peaks, and radiant
intensity / luminous intensity.
The standard chip sizes for currents up to 50 mA DC are
between 210 µm and 365 µm
square.
For high power applications
OSA Opto Light GmbH developed chips with large area p/njunctions. The chip layout has
been designed for different
direct currents in the range
between 100 mA and 2 A. The
table lists the standard chip
sizes. The maximum applicable
current depends on the thermal resistance of surrounding,
on material and operating conditions.
Standard Chip 360 µm
RED ( Ga, Al ) As, Chip 700 µm
( Al, In, Ga ) P, Chip 700 µm
Customer specific chip layouts
can be designed within a short
time frame for small and large
production volumes. There is
also the possibility to adjust
the values for brightness, forward voltage as well as the
tolerance for a wavelength
selection according to customer specification.
Custom designed chip metallisations including solderable
systems are possible for the
front and reverse side of the
Chip size [μm]
Table of chip size
and areas
IRED Lamp 3 and 5 mm
chip. Most of our chips can be
provided as bare dices, packaged in our SMD - packages
(see next pages) or in 3 mm
and 5 mm standard LED-lamp
packages with viewing angles
between 10° and 100°.
p/n Area [mm²]
Pad
265
0.07
1 square or circle
325
0.09
1 square or circle
360
0.12
1 square or circle
415
0.16
1 square
465
0.20
1 square
700
0.47
2 circle 80 µm
960
0.89
4 square 105 µm
1960
3.78
8 square 120 µm
RED Chip 960 µm
RED Chip 1960 µm
Monolitic integrated displays
Conventional red monolithic displays (660 nm)
High integration density of elements on reduced space
Smallest distances between the elements down to 20 µm
40 µm in square lighting dot with
20 µm distance to the next element
High integration density of the
elements on smallest areas
e.g. printing line 128 elements
at 8 mm length
Presentation of numbers and letters on where the space is limited e.g. alpha
numeric display with 16 segments and 2 digit points
Arrangement of different symbols in various
shapes were complex displays are needed on
reduced areas
Manufacturing of various numeric displays for application in
different optical devices, medical equipment or measurement
systems
Miniature integrated displays
Presentation of different symbols in various colours with the advantages
100 times higher luminous intensity in comparison to conventional monolithic displays
Colours from green (572 nm) up to red (645 nm) are applicable
Point source 625 nm
switched on / off
chip size 450 x 550 µm
sign size 200 µm
triangle 615 nm
switched on / off
chip size 290 x 290 µm
sign size 120 µm
square 572 nm
switched on / off
chip size 480 x 530 µm
sign size 280 µm
7-segment display 572 -660 nm
switched on / off
chip size 1470 x 1980 µm
sign size 600 x 1100 µm
SMD-LEDs - visible and infrared
OSA Opto Light GmbH has
designed several PCB - based
SMD-LED packages for various
sizes, radiant characteristics
and chip types. This packages
fits the requirements of visible
and infrared light in the wavelength range 460 -1500 nm
OLS-150
Size 1206
OLS-153
Size 1206
bipolar-bicolour
OLS-13x
Size 1206
duplex and
triplex
OLS-330
Size 1206
with lens, 40°
All devices can be characterized
at 20 mA, 2 mA (low current)
and under custom specific conditions. Most of them can be
packaged tape up and tape
down.
The thin film technology
enables a doubled external
quantum efficiency. These visible LED (red, amber, yellow,
green) achieve 1-3 Candela
light intensity @ 20 mA in the
package OLS-330. The wavelength 660, 850 and 950 nm
are available in this technology
too.
OLS-170
Size 0805
OLS-173
Size 0805
bipolar-bicolour
OLS-180
Size 0805
low profile
OLS-210
Size 1208
Side-view
Low Power ceramic series OCU-4xx
excellent long time stability for
UV, Blue and colour conversion
types. The series OCL-410 is a
bipolar / bicolour type like red /
green or red/ white color
switchable LED. If the polarity
The series OCL-4xx is an
Al2O3- ceramic based ceramic
package is providing superior
temperature stability (even
under autoclave conditions for
some chip technologies) and
of the external circuit is
unknown or shall not defined,
the series OCL-420 is a bipolar
indicator LED in different
colours like blue, white, warm
white and green.
left: OCL-420 BE460/BE460
right: OCL-400 SWW
high conversion rates, pure
colours like green and yellow
with a brilliant colour homogeneity and stability. Typical for
these LED are comparable
wide FWHM- values in the
range of 60-100 nm. OSA opto
Colour conversion is more than
white or warm white light for
general lighting. OSA opto
light develops and produces,
based on different excitation
LED- Chips and numerous
phosphors, special LED with
Intensity [a.u.]
0,8
light can furthermore combine
these phosphors to realize customized, ultra wide light sources with FWHM > 300 nm or
specific spectral characteristics.
Comparison of
gas lamp light and special designed LED
0,6
0,4
0,2
OCL-440 GWW
gas lamp light
0
380
430
480
530
580
630
680
730
780
Wavelength [nm]
Comparison of gas lamp light and special
designed LED as an combination of three different phosphors
UV-LEDs
Low Power
The product family OCU-400
meets the requirements of
low power applications.
Available wavelengths are in
the range of 350 nm … 430
nm. Typical applications are
document checking systems
and illumination systems.
High Power up to 1.5W
The OCU-440 range has been
designed for high power
applications in the range up
to 1.5 W electrical power dissipation with a very good reliability and life time. At present the available wavelengths are between 365 and
Typical spectra of UV-LED
are characterized by a FWH
below 15 nm. Wavelength
tolerances are ± 3 nm also
for customized solutions.
430 nm. Some key applications are illumination systems and curing of photosensitive systems like photoresist, ink and glue.
High Power LEDs
High power packages are the
necessary bridge between
high current chips and customer applications. Their main
task is to conduct the heat
from the chip to surrounding
area in order to provide a high
quality device performance
and reliability. Based on the
broad existing chip selection in
the
wavelength
range
between 365 nm 1550nm we
are able to choose the right
wavelength for customers
application. LED´s with colour
conversion (OCX-440) provide
a wider spectral FWHM than
direct emitting chips. Besides
single wavelength application
the combination of several
chips also enables the simulation of defined energy distributions like shown in the figure
below.
OCX-440 family ceramic
based
High temperature solution
Rth < 10 K/W
Power dissipation max
1.5 K/W
Radiative characteristic
Lambertian (120°)
Colour conversion
OLS-690 family P.C.B.based
for Rth 30-40 K/W
OCL-690 family ceramic
based for Rth < 5 K/W
Electrical insulated thermal
pad
40° viewing angle
spectral intensity [W / nm]
0,014
0,012
0,010
0,008
0,006
Spectral distribution of the
radiation, emitted by a LEDarray, consisting of 14 different
LED- types
0,004
0,002
0
350
450
550
650
750
850
950
1050
Wavelength [nm]
LED-Modules
OSA opto light utilizes its high
experience in solid state lightening technology also in the
custom design of LED-modules from prototypes to volume
production quantities. We can
apply here the full wavelength
range from 350 to 1550 nm.
Our capability for in-house
selection of LEDs according to
tight tolerances in brightness,
colour and forward voltage can
also be applied in LED modules
for OEM- customers. Our
module technology includes
also thermal management
solutions like metal core P.C.B.,
active or passive heat sinks and
temperature protection of the
LED by a special circuit on the
P.C.B.
Visible LED solutions (PWMdimmable RGB- Module,
white module )
UV- high power module 405 nm,
optical power 15 W,
electric power 120 W
UV-Modules
Photochemical processes like
curing requires higher power
densities not achievable with
discrete LED. Thus OSA opto
light developed solutions in
COB - technology. The Module
OLM-018 meets the require-
ments of medium radiant densities, e.g. at a wavelength of
395 nm a power density of 1,52 W/cm² can achieved. This
module can combined with the
control unit OEM-006 to operate chips in the whole wave-
length range. The reflective
optics for the module OLM021 provides an full viewing
angle of 18 degree.
System OLM018 Air - turnkey
ready system with forced air
cooling
OLM-021 module with
reflector
calculated radiative
characteristic
Technical information
Dim
Unit
Description
λP
nm
Peak wavelength, maximum of radiant intensity Ι = Ι(λ)
typically used for IR – applications
λC
nm
Centroid wavelength - the wavelength which devides the integral of
the spectrum into equal parts
λD
nm
Dominant wavelength, calculated as maximum of function
ΙV(λ) = Ιe(λ) V(λ)
with V(λ) eye response function at day light. Due to this, the peak
wavelength for red LEDs is larger than the dominant wavelength, for
blue LEDs it is smaller. In the dark the function V(λ) is shifted, therefore
the colour appearance at low intensity levels may be shifted, too.
λ1/2
nm
Full width at half maximum, depends on epi-technology, largest
values for diffused p/n- junctions, smallest values for QW-p/n junctions
φe
W
Power, total radiant flux of an emitting system
Ιe
W/sr
Radiant intensity, measured acc. CIE 127 cond. B (0,01 sr)
φV
lm
Total light flux of an emitting system
ΙV
Cd
Light intensity, measured acc. CIE 127 cond. B (0,01 sr)
CRI
%
Colour rendering index, key parameter for light quality. Describes the
feasibility of a light source to illuminate an object like a human face in
a way, that the human eye get the same appearance in comparison
to a black body radiator.
For indoor applications a CRI of > 85% is necessary.
Explanation of the units:
nm: Nanometer W: Watt
W/sr: Watt per steradiant
Lm: Lumen
Cd: Candela
Reliability and life time
To describe the reliability and lifetime of LEDs, it is
necessary to distinguish between two different
failure modes:
the total failure
the degradation as a time dependent
reduction of light intensity.
For the total failures one observes two effects:
Degradation determinated failures (intensity below
50% of initial intensity) depend very strong on
operating conditions, chip material system and
packaging technology.
The mean time to failure varies between several
10.000 hours for white SMD LEDs and above
100.000 hours for (Ga,Al)As and (Ga,Al,In)P based
LEDs.
early life failures (failures visible in the
function test at the application) (for OSA
diodes in the range of 10 ppm)
failures during operation (for OSA diodes
below 1 ppm).
(Al, In, Ga)P
Ga (As, P), GaP
(Ga, Al)As
(Ga,In)As
550
600
650
700
750
800
850
900
950
1000
Bright ideas - custom designed
OSA Opto Light GmbH - we are your partner for
customised solutions in the field of solid state lighting. A various range of chips, chip and packaging
combinations will provide you the right solution for
your application.
Our custom designed LED-modules for OEMs are
an efficient way for your radiation or light source.
Please contact us with your requirements and applications. Our engineers have the ability to assist you
in the development phase of your product. By working closely together we will ensure you will achieve a
high quality cost effective solution.
OSA Opto Light GmbH
Köpenicker Str. 325 / Haus 201
12555 Berlin
Germany
Phone:
Fax:
E-M
Mail:
Internet:
+49-((0)30-6
65 76 26 83
+49-((0)30-6
65 76 26 81
contact@osa-o
opto.com
www.osa-o
opto.com
DIN EN ISO 9001: 2008
Certificate No. 12 100 16393 TMS
LED Chips
Monolitic displays
Miniature displays
SMD-LEDs
Thinfilm-LEDs
UV-LEDs
High Power LEDs
LED-Modules