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Class 438/956 - MAKING MULTIPLE WAVELENGTH EMISSIVE DEVICE


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Art collection involving the construction of a device emissive
No. of patents: 19
Last issue date: 06/10/2008


NumberTitleIssue Date
7384807Method of fabricating vertical structure compound semiconductor devices
A method of fabricating a vertical structure opto-electronic device includes fabricating a plurality of vertical structure opto-electronic devices on a crystal substrate, and then removing the substrate using a laser lift-off process. The method then fabricates a me...
06/10/2008
7214564Method of forming film bulk acoustic wave filter assembly
A film bulk acoustic wave filter assembly includes a film bulk acoustic filter and an RF circuit. The film bulk acoustic filter unit cell includes a plurality of film bulk acoustic wave resonators. The number, area and arrangement of the resonators depend on the cha...
05/08/2007
7192794Fabrication method of transparent electrode on visible light-emitting diode
A method for forming a transparent electrode on a visible light-emitting diode is described. A visible light-emitting diode element is provided, and the visible light-emitting diode element has a substrate, an epitaxial structure and a metal electrode. The metal ele...
03/20/2007
7074631Light emitting device methods
A method includes disposing a planarization layer on a surface of a layer of semiconductor material and disposing a lithography layer on a surface of the planarization layer. The method also includes performing nanolithography to remove at least a portion of the pla...
07/11/2006
6969626Method for forming LED by a substrate removal process
The present invention relates to a method for forming LED. In the present invention, LED dies are defined by photolithography and etching processes to replace a cutting step, and a metal substrate of the LED is formed by chemical or physical method. ...
11/29/2005
6872672Method of manufacturing an electro-optical device
An object of the invention is reducing a manufacturing cost of an EL display device and an electronic device equipped therewith. In an active matrix type EL display device, an EL material for a pixel portion is formed by coating steps using a dispenser device. As a ...
03/29/2005
6773948Semiconductor light emitting device and method for producing the same
A semiconductor light emitting device of the present invention includes: a substrate; a light emitting layer; a semiconductor layer of a hexagonal first III-group nitride crystal; and a cladding layer of a second III-group nitride crystal. A stripe groove is provide...
08/10/2004
6756325Method for producing a long wavelength indium gallium arsenide nitride(InGaAsN) active region
Several methods for producing an active region for a long wavelength light emitting device are disclosed. In one embodiment, the method comprises placing a substrate in an organometallic vapor phase epitaxy (OMVPE) reactor, the substrate for supporting growth of an ...
06/29/2004
6468818Method for producing a high-luminance semiconductor light-emitting device capable of operating at a low voltage
A semiconductor light-emitting device has a light-emitting section comprised of at least a lower clad layer, an active layer and an upper clad layer which are formed on a compound semiconductor substrate and a layer grown on the upper clad layer of the li...
10/22/2002
6399407Methods of electrostatic control in semiconductor devices
A semiconductor light-emitting device having one or more depletion regions that are controlled by one or more control electrodes to vary the spatial distribution of the carriers in an active layer. The voltages on the control electrodes can be controlled ...
06/04/2002
6258615Method of varying a characteristic of an optical vertical cavity structure formed by metalorganic vapor phase epitaxy
A process for forming an array of vertical cavity optical resonant structures wherein the structures in the array have different detection or emission wavelengths. The process uses selective area growth (SAG) in conjunction with annular masks of differing...
07/10/2001
6103555Method of improving the reliability of low-voltage programmable antifuse
The reliability of an antifuse can be increased and/or the thickness of the antifuse dielectric can be decreased by the use of a rapid thermal nitridation nitride layer as part of the antifuse dielectric. The RTN nitride layer is denser and has fewer pinh...
08/15/2000
6033926Method for making multiple wavelength semiconductor lasers on a single wafer
A plurality of different wavelength semiconductor lasers are fabricated on a single semiconductor substrate by establishing a thermal gradient across the substrate during epitaxial growth. The result is a variation in composition which produces a correspo...
03/07/2000
5854089Semiconductor device by selectively controlling growth of an epitaxial layer without a mask
A semiconductor structure including: a substrate having a step portion; a first semiconductor layer formed on a region of the substrate which is selectively irradiated by light at an angle with respect to the projecting portion by using the step portion a...
12/29/1998
5397740Method of making an optical semiconductor device
First and second junctions are set so as to control electric fields applied to an active layer, independent from each other, and the electric field applied by the first junction controls exciting conditions while the electric field applied by the second j...
03/14/1995
4888085Processes for their manufacture of monolithically integrated planar lasers differing in emission wavelengths
Lasers differing in emission wavelengths are disclosed monolithically integrated in a common substrate providing positive index guiding of adjacent lasers. The lasers and the substrate together present a planar semiconductive surface. The monolithically i...
12/19/1989
4879250Method of making a monolithic interleaved LED/PIN photodetector array
Interleaved arrays of photoelectronic devices are fabricated utilizing one-step epitaxial growth of all active layers and simple planar processing. Exemplary arrays include interleaved LED transmitters and PIN photodiode receivers that operate at the same...
11/07/1989
4843031Method of fabricating compound semiconductor laser using selective irradiation
Disclosed is a method of fabricating a compound semiconductor device which is capable of forming a multi-wavelength semiconductor laser structure, double cavity type semiconductor laser structure, stripe type semiconductor laser structure transverse junct...
06/27/1989
4148045Multicolor light emitting diode array
Multicolor light emitting diode arrays can be made using a binary semiconductor substrate on which is grown a graded epitaxial region of an AB1-x Cx semiconductor. Diodes emitting various light colors can selectively be formed in dif...
04/03/1979
 
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