US 7,777,235 8/17/2010 LIGHT EMITTING DIODES WITH IMPROVED LIGHT COLLIMATION Mazzochette, Blonder
- An LED "bulb" with improved light collimation comprises a substrate-supported LED die disposed within a transparent dome. A portion of the dome laterally circumscribe the die comprises light reflecting material to reflect emitted light back to the die.
US 7,719,021 5/18/2010 LIGHT EFFICIENT LED ASSEMBLY INCLUDING A SHAPED REFLECTIVE CAVITY AND METHOD FOR MAKING SAME Harrah , Blonder
- A method for making an efficient light emitting diode (LED) assembly by providing a thermally conductive base having a surface cavity, disposing a reflective paste in the surface cavity, and shaping the reflective paste to form a reflective cavity. One or more LED die may be mounted in the reflective cavity such that the emitted light is reflected by the side walls, thus increasing the light output of the LED assembly.
US 7,633,093 12/15/2009 METHOD OF MAKING OPTICAL LIGHT ENGINES WITH ELEVATED LEDS AND RESULTING PRODUCT Blonder, Harrah
- An optical light engine having mounting pedestals for elevating LED dies above the base's surface. A molding a dome centered around the LED die is placed over the pedestal. The encapsulating material is then injected through an input port to mold the dome around the LED die.
US 7,405,880 7/29/2008 MULTILAYER OPTICAL FILTER Nikolov, et al.
- A method for producing thin film optical interference filters.
US 7,252,408 8/7/2007 LED ARRAY PACKAGE WITH INTERNAL FEEDBACK AND CONTROL Mazzochette, Blonder
- A packaged LED array for high temperature operation on a thermally conductive substrate. An LED driver is mounted within the LED array package, and thermally coupled to the metal base. One or more of the LED dice can be switched from the driver to a measurement circuit and used as a photodetector to measure the light output of the LED array. The measured photodetector signal can further be used as a feedback signal to control the LED array light output.
US 7,227,684 6/5/2007 METHOD AND SYSTEM FOR PROVDING BEAM POLARIZATION Wang, et al.
- A thin film, wire grid polarizer.
US 7,176,502 2/13/2007, US 7,098,483 8/29/2006, US 7,095,053 8/22/2006 LIGHT EMITTING DIODES PACKAGED FOR HIGH TEMPERATURE OPERATION Mazzochette, Blonder
- A family of LED packages based on a unique metal/ceramic substrate. This novel package can operate at temperatures as high as 250.degree. C.
US 7,157,745 1/2/2007 ILLUMINATION DEVICES COMPRISING WHITE LIGHT EMITTING DIODES AND DIODE ARRAYS AND METHOD AND APPARATUS FOR MAKING THEM Blonder, Amaya
- White LEDs often are actually a combination of a blue/UV LED pumping a yellowish phosphor to create white light. This patent describes a way to controllably deposit the phosphor layer on the LED by first coating the LED with a clear polymer, and then placing the LED in a phosphor particle shower.
US7,050,233 5/23/2006 PRECISION PHASE RETARDATION DEVICES AND METHOD OF MAKING SAME Nikolov, et al.
- Optical thin film grating phase retarders.
11/26/96 METHOD OF MAKING A SOL-GEL GLASS BODY AND REMOVING SAME FROM
MOLD Blonder, Greg E., Frankenthal, Robert P.,Johnson, Jr. David W.,
Rabinovich, Eliezer M.
glass shapes by molding and firing a silica containing gel, and removing
it from the mold using electro-decomposition of the fragile gel at
the mold surface.
01/10/95 VAPOR DEPOSITION PROCESS FOR COATING ARTICLES OF MANUFACTURE;
SUPPORTING LENSES AT FOUR POINTS OF CONTACT AT AN INTERSECTION OF A
PAIR OF TRENCHES Blonder Greg E; Dautartas Mindaugas F
volume manufacturable technique to deposit anti-reflection coatings
on microlenses for laser packages.
04/26/94 ARTICLE THAT COMPRISES A LASER COUPLED TO AN OPTICAL FIBER
Blonder Greg E; MacDonald William M
- A simple
and stable way to align and secure an optical fiber to a laser, on
a common substrate, by melting solder with an integral heater.
03/01/94 ARTICLE COMPRISING COMPRESSION BONDED PARTS Blonder Greg E;
MacDonald William M
- A method
to attach two small objects together using pressure and no heat- basically
a thin film cold-weld seal between a metal gasket and a toothed metal
lid. Used to attach lasers to substrates, or to create vacuum sealed
11/30/93 SPHERICAL MULTICOMPONENT OPTICAL ISOLATOR Blonder Greg E
isolators prevent reflections from reentering a package. This design
manufactures isolators in sheets, which are then diced and shaped
into spheres. This self aligns the optics to the isolator, at low
cost and in volume.
04/06/93 WET CHEMICAL ETCHING TECHNIQUE FOR OPTICAL FIBERS; EXPOSING
PORTIONS TO A TREATING AGENT SIMULTANEOUSLY WITH ETCHANT; RELATIVE ETCH
RATES OF CORE AND PERIPHERAL LAYERS ARE MODIFIED; FORMS DOUBLE CONICAL
LENS; IMPROVED COUPLING EFFICIENCY Blonder Greg E; Johnson Bertrand
- A batch
technique that etches optical fibers into a lens shape, to improve optical
coupling with a laser. Extremely reproducible and efficient.
01/26/93 OPTICAL WAVEGUIDE STRUCTURE INCLUDING REFLECTIVE ASYMMETRIC
CAVITY Blonder Greg E; Cappuzzo Mark A; Clark Harold R;
mirror in a thin film optical waveguide, to direct light out of the
guide and into a surface mounted detector.
01/19/93 PHOTONICS MODULE APPARATUS, and
06/23/92 METHOD OF FABRICATING A PHOTONICS MODULE COMPRISING A SPHERICAL
LENS Ackerman David A; Blonder Greg E; MacDonald William M
silicon laser package, which uses etched features in the silicon to
hold and align the laser, photodetector and lenses. Batch manufacturable.
01/12/93 OPTICAL ASSEMBLY INCLUDING FIBER ATTACHMENT Blonder Greg E;
Dautartas Mindaugas F; Wong Yiu-Huen
package using etched silicon to hold a fiber, and another silicon
base with a laser, such that the two interlock with sub-wavelength
10/27/92 DISTRIBUTED BRAGG REFLECTORS AND DEVICES INCORPORATING SAME;
ALTERNATION LAYERS WITH DIFFERENT REFRACTIVE INDEX; EPITAXIAL GROWTH
FOLLOWED BY ETCHING REMOVAL AND BACKFILLING Blonder Greg E; Chandross
Edwin A; Ho Seng-Tiong; McCall Samuel L; Slusher Richart E; West Kenneth
for a Distributed Bragg Reflector laser which etches out one material
in a multilayer reflector, and replaces it with a lower index plastic.
Used for small lasers with controlled wavelength.
08/04/92 METHODS FOR MAKING MIRRORS; TURNING-TYPE FOR OPTICAL WAVEGUIDES;
UNDERCUT ETCHING ON CAVITY SIDE; FORTY-FIVE DEGREE SLOPE Blonder Greg
E; Cappuzzo Mark A; Clark Harold R; Scotti Ronald E; Wong Yiu-Huen
technique for a mirror at the end of a thin film optical waveguide.
03/31/92 OPTICAL FIBER WITH AN INTEGRAL LENS AT ITS END PORTION Blonder
Greg E; Johnson Bertrand H
- An optical
package employing a chemically etched lensed fiber.
03/31/92 LIGHT EMITTING DIODE WITH MULTIFACETED REFLECTOR TO INCREASE
COUPLING EFFICIENCY AND ALIGNMENT TOLERANCE Blonder Greg E; Freund Robert
S; Watts Roderick K; Wetzel Robert C
- An LED
is etched to form a series of concentric rings, and the rings function
as a light collector to improve the coupling efficiency of the LED
to a fiber. Self- aligned and batch manufacturable.
02/25/92 MATTE FINISHES ON OPTICAL FIBERS AND OTHER GLASS ARTICLES;
USING MIXTURE OF BUFFERED HYDROFLUORIC ACID AND TREATING ACID Blonder
Greg E; Johnson Bertrand H
- A chemical
etch to turn a clear glass surface translucent. Improves adhesion
of metal layers, can be used to diffuse light or for decorative patterns.
09/17/91 METHOD OF PRODUCING APPARATUS COMPRISING A LOW-REFLECTION OPTICAL
FIBER CONNECTION Blonder Greg E; Johnson Bertrand H; Paola Carl R
- To prevent
unwanted reflections off the end of an optical fiber, the ends are
often polished at an angle- which is slow and unreproducible. This
patent describes a way to cleave fibers at an angle, obtaining the
same optical effect but with dramatically improved quality and reduced
08/13/91 APPARATUS COMPRISING AN OPTICAL GAIN DEVICE, AND METHOD OF
PRODUCING THE DEVICE Blonder Greg E; Jacobson Dale C; Kistler Rodney
C; Poate John M; Polman Albert
patent to describe the use of ion-implanted Er to fabricate optical
waveguides into an optical amplifier
06/11/91 PHOTONICS MODULE AND ALIGNMENT METHOD; OPTICAL Ackerman David
A; Blonder Greg E; Mac Donald William M
bonding and alignment method that uses the surface tension in melted
solder bumps to hold and center the laser.
02/26/91 OPTICAL SPLITTER/COMBINER WITH AN ADIABATIC MIXING REGION Blonder
Greg E; Blyler Lee L Jr; Grimes Gary J
- A multifiber,
plastic splitter to combine signals from many sources and passively
redistribute those signals. Design insure low loss, well mixed combination
12/18/90 HYBRID OPTICAL ISOLATOR, CIRCULATOR OR SWITCH, AND SYSTEMS
UTILIZING SAME Blonder Greg E; Henry Charles H; Kazarinov Rudolf F;
- A thin
film optical isolator and rotator, using a combination of thin film
waveguide splitters and polarizers, with hybrid rotators.
10/30/90 DEVICE INCLUDING A COMPONENT IN ALIGNMENT WITH A SUBSTRATE-SUPPORTED
WAVEGUIDE Blonder Greg E
- A method
of etching the end of a thin film wave guide, creating a precision
groove to accept an optical fiber assembly with no additional alignment.
07/31/90 SUBASSEMBLY FOR OPTOELECTRONIC DEVICES Blonder Greg E; Johnson
Bertrand H and,
06/12/90 RADIATION SWITCHING ARRANGEMENT WITH MOVING DEFLECTING ELEMENT
Blonder Greg E
- A mechanical
optical switch, using a small mirror etched from silicon to deflect
the optical path. Simple, robust construction with low optical losses.
04/03/90 HYBRID LASER FOR OPTICAL COMMUNICATIONS, AND TRANSMITTER, SYSTEM,
AND METHOD Blonder Greg E; Henry Charles H; Kazarinov Rudolf F; Olsson
Nils A; Orlowsky Kenneth J
- A laser
package employing an integral grating filter to fix the lasing frequency.
02/27/90 SUBASSEMBLIES FOR OPTOELECTRONIC HYBRID INTEGRATED CIRCUITS
Blonder Greg E
- A complete
optical transceiver is formed on a silicon base. It uses waveguides
to couple lasers, fibers and photoconductors into a hybrid optical
device. A second silicon member forms a sealing lid.
01/30/90 SUBASSEMBLY FOR OPTOELECTRONIC DEVICES Blonder Greg E; Johnson
- An etched
silicon lid and base, which holds a photodetector in the conventional
planar arrangement, but deflects the light from a fiber at ~45 degrees
to reach the detector. Extremely manufacturable.
05/09/89 TESTING IN THE MANUFACTURE, OPERATION, AND MAINTENANCE OF OPTICAL
DEVICE ASSEMBLIES Blonder Greg E
patent to provide a secondary function to all wave guide devices used
in communication. Secondary functions included testing, maintenance,
fault recovery, etc.
03/07/89 METHOD OF MAKING AN ARTICLE COMPRISING A TANDEM GROOVE, AND
ARTICLE PRODUCED BY THE METHOD; FOR RECEIVING OPTICAL FIBER Blonder
to etch a dual width groove in a silicon substrate, preserving the
accuracy of both groove widths. Groove is designed to accept the bare
glass fiber at one end, and the plastic coated fiber at the other
for strain relief.