Patents by Inventor Jianna Wang
Jianna Wang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8968435Abstract: A coated abrasive product including green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating, and wherein the coated abrasive product is capable of polishing an optical component, including ophthalmic lenses without the need to apply an abrasive slurry.Type: GrantFiled: March 29, 2013Date of Patent: March 3, 2015Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventors: James J. Manning, Mark E. Sternberg, Jianna Wang
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Patent number: 8888878Abstract: A coated abrasive product includes a particulate material containing green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles, a nanoparticle binder, a dual function material, and a cross-linking agent. These green unfired abrasive aggregates can also be used in free abrasive products and bonded abrasive products.Type: GrantFiled: December 30, 2011Date of Patent: November 18, 2014Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventors: Jianna Wang, James J. Manning, Paul S. Goldsmith, Anthony C. Gaeta
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Patent number: 8870985Abstract: An abrasive article comprising an abrasive particle including a core comprising a compressible material, an intermediate layer comprising a binder material overlying an exterior surface of the core, and an outer layer comprising abrasive grains overlying the intermediate layer.Type: GrantFiled: December 29, 2011Date of Patent: October 28, 2014Assignees: Saint-Gobain Abrasives, Inc., Saint-Gobain AbrasifsInventors: Jianna Wang, Guan Wang, Charles G. Herbert
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Publication number: 20130298471Abstract: An engineered coated abrasive product having a three dimensional pattern of abrasive structures formed by embossing an abrasive slurry formulation that was first surface coated with a functional powder, wherein the abrasive slurry includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder. The coated abrasive product is capable of finishing and repairing defects in surfaces, including coated surfaces.Type: ApplicationFiled: March 15, 2013Publication date: November 14, 2013Inventors: Ying Cai, James J. Manning, Jianna Wang
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Publication number: 20130283702Abstract: A coated abrasive product including green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating, and wherein the coated abrasive product is capable of polishing an optical component, including ophthalmic lenses without the need to apply an abrasive slurry.Type: ApplicationFiled: March 29, 2013Publication date: October 31, 2013Inventors: James J. Manning, Mark E. Sternberg, Jianna Wang
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Publication number: 20130189911Abstract: A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles, a nanoparticle binder, a sulfosuccinate, and a crosslinking, wherein the abrasive aggregates are dispersed within a polymer resin coating comprising a mixture of copolyester resin. The coated abrasive product is capable of finishing coated surfaces and repairing defects in coated surfaces, including surfaces coated with automotive primers, paints, clear coats, and combinations thereof.Type: ApplicationFiled: January 10, 2013Publication date: July 25, 2013Inventors: James J. Manning, Jianna Wang, Charles G. Herbert, William C. Rice, Anuj Seth
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Publication number: 20130095731Abstract: A coated abrasive product includes green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles and a nanoparticle binder, wherein the abrasive aggregates are dispersed within a polymer resin coating, and wherein the coated abrasive product is capable of superfinishing a metal surface having an initial Ra in the range of about 1.5 micro inches to about 12.5 micro inches prior to application of the coated abrasive product and after application the surface has an Ra of less than 1.0 micro inch.Type: ApplicationFiled: September 28, 2012Publication date: April 18, 2013Inventors: James J. Manning, Mark E. Sternberg, Jianna Wang
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Publication number: 20130014445Abstract: Abrasive aggregates and fixed abrasive articles comprising formaldehyde-free polymer binder and a plurality of abrasive grains are provided that are particularly suitable for machining operations, in which abrasion is carried out to remove material and improve surface quality. Certain embodiments combine an abrasive grain, which can be in the form of microparticles, and a formaldehyde-free polymer binder, which can be in the form of a polymer resin and cross-linking agent. Optionally, the abrasive aggregate can contain a secondary cross-linking agent, or a functional filler, such as a grinding aid.Type: ApplicationFiled: June 29, 2012Publication date: January 17, 2013Applicants: SAINT-GOBAIN ABRASIFS, SAINT-GOBAIN ABRASIVES, INC.Inventors: Jianna Wang, Charles G. Herbert
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Publication number: 20120192500Abstract: A coated abrasive product includes a particulate material containing green, unfired abrasive aggregates having a generally spheroidal or toroidal shape, the aggregates formed from a composition comprising abrasive grit particles, a nanoparticle binder, a dual function material, and a cross-linking agent. These green unfired abrasive aggregates can also be used in free abrasive products and bonded abrasive products.Type: ApplicationFiled: December 30, 2011Publication date: August 2, 2012Applicants: SAINT-GOBAIN ABRASIFS, SAINT-GOBAIN ABRASIVES, INC.Inventors: Jianna Wang, James J. Manning, Paul S. Goldsmith, Anthony C. Gaeta
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Publication number: 20120167477Abstract: An abrasive article comprising an abrasive particle including a core comprising a compressible material, an intermediate layer comprising a binder material overlying an exterior surface of the core, and an outer layer comprising abrasive grains overlying the intermediate layer.Type: ApplicationFiled: December 29, 2011Publication date: July 5, 2012Applicants: SAINT-GOBAIN ABRASIFS, SAINT-GOBAIN ABRASIVES, INC.Inventors: Jianna Wang, Guan Wang, Charles G. Herbert
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Patent number: 8077141Abstract: A backplane for an electro-optic display comprises a pixel electrode (104), a voltage supply line (C) arranged to supply a voltage to the pixel electrode (104), and a micromechanical switch (106, 112) disposed between the voltage supply line (C) and the pixel electrode (104), the micromechanical switch (106, 112) having an open state, in which the voltage supply line (C) is not electrically connected to the pixel electrode (104), and a closed state, in which the voltage supply line (C) is electrically connected to the pixel electrode (104).Type: GrantFiled: March 12, 2008Date of Patent: December 13, 2011Assignee: E Ink CorporationInventors: Gregg M. Duthaler, Robert W. Zehner, Charles Howie Honeyman, Kevin L. Denis, Matthew A. King, Jianna Wang
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Publication number: 20100265561Abstract: The invention relates to electro-optic displays and methods for driving such displays. The invention provides (i) electrochromic displays with solid charge transport layers; (ii) apparatus and methods for improving the contrast and reducing the cost of electrochromic displays; (iii) apparatus and methods for sealing electrochromic displays from the outside environment and preventing ingress of contaminants into such a display; and (iv) methods for adjusting the driving of electro-optic displays to allow for environmental and operating parameters.Type: ApplicationFiled: June 30, 2010Publication date: October 21, 2010Applicant: E INK CORPORATIONInventors: Holly G. Gates, Charles H. Honeyman, Ara N. Knaian, Steven J. O'Neil, Richard J. Paolini, JR., Jonathan L. Zalesky, Robert W. Zehner, Ian D. Morrison, Anthony Edward Pullen, Jianna Wang, John Edward Cronin, Justin Abramson, Karl R. Amundson, Guy M. Danner, Gregg M. Duthaler
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Patent number: 7787169Abstract: The invention relates to electro-optic displays and methods for driving such displays. The invention provides (i) electrochromic displays with solid charge transport layers; (ii) apparatus and methods for improving the contrast and reducing the cost of electrochromic displays; (iii) apparatus and methods for sealing electrochromic displays from the outside environment and preventing ingress of contaminants into such a display; and (iv) methods for adjusting the driving of electro-optic displays to allow for environmental and operating parameters.Type: GrantFiled: March 23, 2005Date of Patent: August 31, 2010Assignee: E Ink CorporationInventors: Justin J. Abramson, Karl R. Amundson, Guy M. Danner, Gregg M. Duthaler, Holly G. Gates, Charles H. Honeyman, Ara N. Knaian, Ian D. Morrison, Steven J. O'Neil, Richard J. Paolini, Jr., Anthony Edward Pullen, Jianna Wang, Jonathan L. Zalesky, Robert W. Zehner, John E. Cronin
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Publication number: 20080165122Abstract: A backplane for an electro-optic display comprises a pixel electrode (104), a voltage supply line (C) arranged to supply a voltage to the pixel electrode (104), and a micromechanical switch (106, 112) disposed between the voltage supply line (C) and the pixel electrode (104), the micromechanical switch (106, 112) having an open state, in which the voltage supply line (C) is not electrically connected to the pixel electrode (104), and a closed state, in which the voltage supply line (C) is electrically connected to the pixel electrode (104).Type: ApplicationFiled: March 12, 2008Publication date: July 10, 2008Applicant: E Ink CorporationInventors: Gregg M. Duthaler, Robert W. Zehner, Charles H. Honeyman, Kevin L. Denis, Matthew A. King, Jianna Wang
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Patent number: 7365733Abstract: A backplane for an electro-optic display comprises a pixel electrode (104), a voltage supply line (C) arranged to supply a voltage to the pixel electrode (104), and a micromechanical switch (106, 112) disposed between the voltage supply line (C) and the pixel electrode (104), the micromechanical switch (106, 112) having an open state, in which the voltage supply line (C) is not electrically connected to the pixel electrode (104), and a closed state, in which the voltage supply line (C) is electrically connected to the pixel electrode (104).Type: GrantFiled: December 16, 2003Date of Patent: April 29, 2008Assignee: E Ink CorporationInventors: Gregg M. Duthaler, Robert W. Zehner, Charles H. Honeyman, Kevin L. Denis, Matthew A. King, Jianna Wang
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Publication number: 20060088875Abstract: In a means for electrical contacting or isolation of organic or inorganic semiconductors in electronic and optoelectronic devices, particularly thin-film devices, the means comprises a substrate (1) in the form of a contact material (1a) or an isolating material (4). A charge transfer material (2) is provided patterned or unpatterned on or at the surface of the substrate and includes charge transfer components in the form of donors and/or acceptors. The charge transfer material forms a self-assembling layer (3) on one or more atomic and/or molecular layers. The charge transfer material (2) has a direct or indirect bond to the surface of the substrate (1) and further forms a charge transfer complex with a thereabove adjacently provided organic or inorganic semiconductor (6). The charge transfer material (2) then forms a donor or acceptor material in the charge transfer complex depending upon respectively whether the semiconductor (6) itself is an acceptor or donor material.Type: ApplicationFiled: October 31, 2005Publication date: April 27, 2006Inventors: Thomas Jackson, Jianna Wang
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Patent number: 6950220Abstract: The invention relates to electro-optic displays and methods for driving such displays. The invention provides (i) electrochromic displays with solid charge transport layers; (ii) apparatus and methods for improving the contrast and reducing the cost of electrochromic displays; (iii) apparatus and methods for sealing electrochromic displays from the outside environment and preventing ingress of contaminants into such a display; and (iv) methods for adjusting the driving of electro-optic displays to allow for environmental and operating parameters.Type: GrantFiled: March 18, 2003Date of Patent: September 27, 2005Assignee: E Ink CorporationInventors: Justin Abramson, Karl R. Amundson, Guy M. Danner, Gregg M. Duthaler, Holly G. Gates, Charles H. Honeyman, Ara N. Knaian, Ian D. Morrison, Steven J. O'Neil, Richard J. Paolini, Jr., Anthony Edward Pullen, Jianna Wang, Jonathan L. Zalesky, Robert W. Zehner, John Edward Cronin
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Publication number: 20050152018Abstract: The invention relates to electro-optic displays and methods for driving such displays. The invention provides (i) electrochromic displays with solid charge transport layers; (ii) apparatus and methods for improving the contrast and reducing the cost of electrochromic displays; (iii) apparatus and methods for sealing electrochromic displays from the outside environment and preventing ingress of contaminants into such a display; and (iv) methods for adjusting the driving of electro-optic displays to allow for environmental and operating parameters.Type: ApplicationFiled: March 23, 2005Publication date: July 14, 2005Applicant: E INK CORPORATIONInventors: Justin Abramson, Karl Amundson, Guy Danner, Gregg Duthaler, Holly Gates, Charles Honeyman, Ara Knaian, Ian Morrison, Steven O'Neil, Richard Paolini, Anthony Pullen, Jianna Wang, Jonathan Zalesky, Robert Zehner, John Cronin
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Patent number: 6842657Abstract: In one embodiment of the invention, a method of manufacturing a semiconductor device comprises the steps of: a) providing an organic semiconductor layer; b) depositing a reactive species on a portion of the organic semiconductor layer; and c) reacting the reactive species with the portion of the organic layer to form a dielectric layer.Type: GrantFiled: July 21, 2000Date of Patent: January 11, 2005Assignee: E Ink CorporationInventors: Paul S. Drzaic, Jianna Wang
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Publication number: 20040196215Abstract: A backplane for an electro-optic display comprises a pixel electrode (104), a voltage supply line (C) arranged to supply a voltage to the pixel electrode (104), and a micromechanical switch (106, 112) disposed between the voltage supply line (C) and the pixel electrode (104), the micromechanical switch (106, 112) having an open state, in which the voltage supply line (C) is not electrically connected to the pixel electrode (104), and a closed state, in which the voltage supply line (C) is electrically connected to the pixel electrode (104).Type: ApplicationFiled: December 16, 2003Publication date: October 7, 2004Applicant: E INK CORPORATIONInventors: Gregg M. Duthaler, Robert W. Zehner, Charles H. Honeyman, Kevin L. Denis, Matthew A. King, Jianna Wang