Camras
Carl B. Camras, Omaha, NE US
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20100057055 | METHOD AND APPARATUS FOR REDUCING INTRAOCULAR PRESSURE - A drainage apparatus is disclosed to reduce intraocular pressure in an eyeball that includes an anterior chamber having aqueous humor disposed therein, a cornea and a surrounding marginal limbus by which the cornea is continuous with a scleral layer and a conjunctival layer disposed on an exposed surface of the eyeball and under eyelids, the apparatus comprising an inlet assembly configured to be disposed at the anterior chamber of the eyeball, an outlet assembly configured to be disposed at the external surface of the eyeball, the assembly having a central chamber, a tube extending between the inlet and outlet assemblies and configured to promote fluid communication between the inlet and outlet assemblies, and control means disposed within the outlet assembly for controlling a flow of aqueous humor through the tube from the anterior chamber of the eyeball to the external surface of the eyeball, the control means further comprising a replaceable filter disposed within the central chamber of the outer member to prevent intraocular infection, the filter having a medicinal agent applied thereto for preventing occlusion of the filter or bacterial contamination by inhibiting at least one of the formation of fibrotic membranes, inflammatory membrane, or bacterial adhesions or biofilms, thereby preventing increased of intraocular pressure or infection. | 03-04-2010 |
Lucinda Camras, Durham, NC US
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20160058616 | APPARATUS AND METHOD FOR REDUCING INTRAOCULAR PRESSURE - An apparatus for reducing/stabilizing intraocular pressure is provided. A tube extends from an inlet end in fluid communication with an anterior chamber of the eye, to direct an aqueous humor flow from the anterior chamber to an outlet end in fluid communication with a cavity, defined by a housing, for receiving the aqueous humor. A flow control device is operably engaged with the housing, and is configured to control the flow of the aqueous humor, via a conduit defined thereby and extending from the cavity, to a location away from the anterior chamber. The conduit is dilatable in response to the intraocular pressure being above a preselected pressure, to increase the flow or to decrease resistance to flow of the aqueous humor through the conduit to the drainage site and to reduce the intraocular pressure to no greater than the preselected pressure. Associated apparatuses and methods are also provided. | 03-03-2016 |
Lucinda J. Camras, Omaha, NE US
Patent application number | Description | Published |
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20100057055 | METHOD AND APPARATUS FOR REDUCING INTRAOCULAR PRESSURE - A drainage apparatus is disclosed to reduce intraocular pressure in an eyeball that includes an anterior chamber having aqueous humor disposed therein, a cornea and a surrounding marginal limbus by which the cornea is continuous with a scleral layer and a conjunctival layer disposed on an exposed surface of the eyeball and under eyelids, the apparatus comprising an inlet assembly configured to be disposed at the anterior chamber of the eyeball, an outlet assembly configured to be disposed at the external surface of the eyeball, the assembly having a central chamber, a tube extending between the inlet and outlet assemblies and configured to promote fluid communication between the inlet and outlet assemblies, and control means disposed within the outlet assembly for controlling a flow of aqueous humor through the tube from the anterior chamber of the eyeball to the external surface of the eyeball, the control means further comprising a replaceable filter disposed within the central chamber of the outer member to prevent intraocular infection, the filter having a medicinal agent applied thereto for preventing occlusion of the filter or bacterial contamination by inhibiting at least one of the formation of fibrotic membranes, inflammatory membrane, or bacterial adhesions or biofilms, thereby preventing increased of intraocular pressure or infection. | 03-04-2010 |
Lucinda J. Camras, Durham, NC US
Patent application number | Description | Published |
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20160058615 | DEVICE AND METHOD FOR REDUCING INTRAOCULAR PRESSURE - An apparatus is provided for draining aqueous humor from an eye for reducing intraocular pressure. The draining apparatus comprises a tube defining a passage for fluid flow between an inlet end and an outlet end. An outlet assembly contacts the conjunctival layer externally of the eyeball. The outlet assembly comprises a housing in fluid communication with the outlet end of the tube and having an aperture for allowing egress of aqueous humor onto the external ocular surface. A resistive component is disposed in the housing for providing resistance to a flow of aqueous humor. A pair of tabs project outwardly and are adapted to be disposed subconjunctivally for securing the draining apparatus relative to the eyeball. | 03-03-2016 |
Michael D. Camras, Sunnyvale, CA US
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20090072263 | Color Control By Alteration of Wavelength Converting Element - A light emitting device is produced by depositing a layer of wavelength converting material over the light emitting device, testing the device to determine the wavelength spectrum produced and correcting the wavelength converting member to produce the desired wavelength spectrum. The wavelength converting member may be corrected by reducing or increasing the amount of wavelength converting material. In one embodiment, the amount of wavelength converting material in the wavelength converting member is reduced, e.g., through laser ablation or etching, to produce the desired wavelength spectrum. | 03-19-2009 |
20100109568 | COMMON OPTICAL ELEMENT FOR AN ARRAY OF PHOSPHOR CONVERTED LLIGHT EMITTING DEVICES - A device is provided with an array of a plurality of phosphor converted light emitting devices (LEDs) that produce broad spectrum light. The phosphor converted LEDs may produce light with different correlated color temperature (CCT) and are covered with an optical element that assists in mixing the light from the LEDs to produce a desired correlated color temperature. The optical element may be bonded to the phosphor converted light emitting devices. The optical element may be a dome mounted over the phosphor converted light emitting devices and filled with an encapsulant. | 05-06-2010 |
20100148151 | LIGHT EMITTING DEVICES WITH IMPROVED LIGHT EXTRACTION EFFICIENCY - A device includes a light emitting structure and a wavelength conversion member comprising a semiconductor. The light emitting structure is bonded to the wavelength conversion member. In some embodiments, the light emitting structure is bonded to the wavelength conversion member with an inorganic bonding material. In some embodiments, the light emitting structure is bonded to the wavelength conversion member with a bonding material having an index of refraction greater than 1.5. | 06-17-2010 |
20110062469 | MOLDED LENS INCORPORATING A WINDOW ELEMENT - A light emitter includes a light-emitting device (LED) die and an optical element over the LED die. The optical element includes a lens, a window element, and a bond at an interface disposed between the lens and the window element. The window element may be a wavelength converting element or an optically flat plate. The window element may be directly bonded or fused to the lens, or the window element may be bonded by one or more intermediate bonding layers to the lens. The bond between the window element and the lens may have a refractive index similar to that of the window element, the lens, or both. | 03-17-2011 |
20110132521 | COLOR CONTROL BY ALTERATION OF WAVELENGTH CONVERTING ELEMENT - A light emitting device is produced by depositing a layer of wavelength converting material over the light emitting device, testing the device to determine the wavelength spectrum produced and correcting the wavelength converting member to produce the desired wavelength spectrum. The wavelength converting member may be corrected by reducing or increasing the amount of wavelength converting material. In one embodiment, the amount of wavelength converting material in the wavelength converting member is reduced, e.g., through laser ablation or etching, to produce the desired wavelength spectrum. | 06-09-2011 |
20120021543 | LIGHT EMITTING DEVICES WITH IMPROVED LIGHT EXTRACTION EFFICIENCY - Light emitting devices with improved light extraction efficiency are provided. The light emitting devices have a stack of layers including semiconductor layers comprising an active region. The stack is bonded to a transparent lens having a refractive index for light emitted by the active region preferably greater than about 1.5, more preferably greater than about 1.8. A method of bonding a transparent lens to a light emitting device having a stack of layers including semiconductor layers comprising an active region includes elevating a temperature of the lens and the stack and applying a pressure to press the lens and the stack together. Bonding a high refractive index lens to a light emitting device improves the light extraction efficiency of the light emitting device by reducing loss due to total internal reflection. Advantageously, this improvement can be achieved without the use of an encapsulant. | 01-26-2012 |
20120043564 | COMMON OPTICAL ELEMENT FOR AN ARRAY OF PHOSPHOR CONVERTED LIGHT EMITTING DEVICES - A device is provided with at least one light emitting device (LED) die mounted on a submount with an optical element subsequently thermally bonded to the LED die. The LED die is electrically coupled to the submount through contact bumps that have a higher temperature melting point than is used to thermally bond the optical element to the LED die. In one implementation, a single optical element is bonded to a plurality of LED dice that are mounted to the submount and the submount and the optical element have approximately the same coefficients of thermal expansion. Alternatively, a number of optical elements may be used. The optical element or LED die may be covered with a coating of wavelength converting material. In one implementation, the device is tested to determine the wavelengths produced and additional layers of the wavelength converting material are added until the desired wavelengths are produced. | 02-23-2012 |
20120238041 | COLOR CONTROL BY ALTERATION OF WAVELENGHT CONVERTING ELEMENT - A light emitting device is produced by depositing a layer of wavelength converting material over the light emitting device, testing the device to determine the wavelength spectrum produced and correcting the wavelength converting member to produce the desired wavelength spectrum. The wavelength converting member may be corrected by reducing or increasing the amount of wavelength converting material. In one embodiment, the amount of wavelength converting material in the wavelength converting member is reduced, e.g., through laser ablation or etching, to produce the desired wavelength spectrum. | 09-20-2012 |
20130293145 | BONDING AN OPTICAL ELEMENT TO A LIGHT EMITTING DEVICE - A device is provided with at least one light emitting device (LED) die mounted on a submount with an optical element subsequently thermally bonded to the LED die. The LED die is electrically coupled to the submount through contact bumps that have a higher temperature melting point than is used to thermally bond the optical element to the LED die. In one implementation, a single optical element is bonded to a plurality of LED dice that are mounted to the submount and the submount and the optical element have approximately the same coefficients of thermal expansion. Alternatively, a number of optical elements may be used. The optical element or LED die may be covered with a coating of wavelength converting material. In one implementation, the device is tested to determine the wavelengths produced and additional layers of the wavelength converting material are added until the desired wavelengths are produced. | 11-07-2013 |
20140191265 | LIGHT EMITTING DEVICES WITH IMPROVED LIGHT EXTRACTION EFFICIENCY - Light emitting devices with improved light extraction efficiency are provided. The light emitting devices have a stack of layers including semiconductor layers comprising an active region. The stack is bonded to a transparent optical element. | 07-10-2014 |
Michael David Camras, Sunnyvale, CA US
Patent application number | Description | Published |
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20130187184 | WAVELENGTH CONVERTED LIGHT EMITTING DEVICE - Embodiments of the invention include a semiconductor light emitting device ( | 07-25-2013 |
20140048817 | LIGHT EMITTING DEVICE WITH IMPROVED EXTRACTION EFFICIENCY - In embodiments of the invention, a semiconductor structure comprising a III-nitride light emitting layer disposed between an n-type region and a p-type region is grown on a substrate. The substrate is a non-III-nitride material. The substrate has an in-plane lattice constant a | 02-20-2014 |
20140179029 | METHOD OF PROCESSING A SEMICONDUCTOR STRUCTURE - A method according to embodiments of the invention includes providing a wafer including a semiconductor structure grown on a growth substrate, the semiconductor structure comprising a III-nitride light emitting layer sandwiched between an n-type region and a p-type region. The wafer is bonded to a second substrate. The growth substrate is removed. After bonding the wafer to the second substrate, the wafer is processed into multiple light emitting devices. | 06-26-2014 |
Nancy Louise Camras, Omaha, NE US
Patent application number | Description | Published |
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20100057055 | METHOD AND APPARATUS FOR REDUCING INTRAOCULAR PRESSURE - A drainage apparatus is disclosed to reduce intraocular pressure in an eyeball that includes an anterior chamber having aqueous humor disposed therein, a cornea and a surrounding marginal limbus by which the cornea is continuous with a scleral layer and a conjunctival layer disposed on an exposed surface of the eyeball and under eyelids, the apparatus comprising an inlet assembly configured to be disposed at the anterior chamber of the eyeball, an outlet assembly configured to be disposed at the external surface of the eyeball, the assembly having a central chamber, a tube extending between the inlet and outlet assemblies and configured to promote fluid communication between the inlet and outlet assemblies, and control means disposed within the outlet assembly for controlling a flow of aqueous humor through the tube from the anterior chamber of the eyeball to the external surface of the eyeball, the control means further comprising a replaceable filter disposed within the central chamber of the outer member to prevent intraocular infection, the filter having a medicinal agent applied thereto for preventing occlusion of the filter or bacterial contamination by inhibiting at least one of the formation of fibrotic membranes, inflammatory membrane, or bacterial adhesions or biofilms, thereby preventing increased of intraocular pressure or infection. | 03-04-2010 |