Patents by Inventor Prashant Mandlik
Prashant Mandlik 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: 9246036Abstract: A method of preparing a surface for deposition of a thin film thereon, wherein the surface including a plurality of protrusions extending therefrom and having shadowed regions, includes locally treating at least one of the protrusions.Type: GrantFiled: August 20, 2012Date of Patent: January 26, 2016Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Ruiqing Ma, Chuanjun Xia, Prashant Mandlik
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Patent number: 9214510Abstract: A first device that may include a short tolerant structure, and methods for fabricating embodiments of the first device, are provided. A first device may include a substrate and a plurality of OLED circuit elements disposed on the substrate. Each OLED circuit element may include a fuse that is adapted to open an electrical connection in response to an electrical short in the pixel. Each OLED circuit element may comprise a pixel that may include a first electrode, a second electrode, and an organic electroluminescent (EL) material disposed between the first and the second electrodes. Each of the OLED circuit elements may not be electrically connected in series with any other of the OLED circuit elements.Type: GrantFiled: January 12, 2012Date of Patent: December 15, 2015Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Ruiqing Ma, Huiqing Pang, Peter Levermore, Prashant Mandlik, Jeffery Silvernail, Kamala Rajan, Jason Paynter
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Patent number: 9184419Abstract: A first device and methods for manufacturing the first device are provided. The first device may comprise a flexible substrate and at least one organic light emitting device (OLED) disposed over the flexible substrate. The first device may have a flexural rigidity between 10?1 Nm and 10?6 Nm, and the ratio of the critical strain energy release rate to the material density factor for the first device may be greater than 0.05 J m/Kg.Type: GrantFiled: March 10, 2014Date of Patent: November 10, 2015Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Prashant Mandlik, Peter Levermore, Huiqing Pang, Emory Krall, Jason Paynter, Ruiqing Ma
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Publication number: 20150108461Abstract: A first product may be provided that comprises a substrate having a first surface, a first side, and a first edge where the first surface meets the first side; and a device disposed over the substrate, the device having a second side, where at least a first portion of the second side is disposed within 3 mm from the first edge of the substrate. The first product may further comprise a first barrier film that covers at least a portion of the first edge of the substrate, at least a portion of the first side of the substrate, and at least the first portion of the second side of the device.Type: ApplicationFiled: December 24, 2014Publication date: April 23, 2015Inventors: Prashant MANDLIK, Ruiqing MA, Jeffrey SILVERNAIL, Julia J. BROWN, Lin HAN, Sigurd WAGNER, Luke WALSKI
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Patent number: 8981640Abstract: A first device may be provided in some embodiments. The first device may comprise a substrate, a first emissive region, and a second emissive region, where the first emissive region and the second emissive region may comprise a contiguous area. The first device may further comprise a first electrode disposed over the substrate that extends across the first and the second emissive regions, and an organic layer disposed over the substrate that extends across the first and second emissive regions, where the organic layer comprises the same emissive material across the first and the second emissive regions. The first device may further include a second electrode disposed over the substrate that extends across the first and second emissive regions, where the second electrode includes a patterned layer of conductive material that is disposed in the first emissive region and that is not disposed in the second emissive region.Type: GrantFiled: May 10, 2012Date of Patent: March 17, 2015Assignee: Universal Display CorporationInventors: Peter Levermore, Huiqing Pang, Prashant Mandlik
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Publication number: 20150069370Abstract: A device includes a first electrode, an organic layer disposed over the first electrode and a second electrode disposed over the organic layer. The second electrode includes a first conductive layer, a first separation layer disposed over the first conductive layer, and a second conductive layer disposed over the first separation layer, wherein the first separation layer is not a continuous layer and the first and second conductive layers are bridged where the first separation layer is not continuous. The first separation layer has an extinction coefficient that is at least 10% different from the extinction coefficient of the first conductive layer at wavelength 500 nm, or an index of refraction that is at least 10% different from the index of refraction of the first conductive layer at wavelength 500 nm.Type: ApplicationFiled: November 6, 2014Publication date: March 12, 2015Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Prashant MANDLIK, Ruiqing MA
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Patent number: 8933468Abstract: A first product may be provided that comprises a substrate having a first surface, a first side, and a first edge where the first surface meets the first side; and a device disposed over the substrate, the device having a second side, where at least a first portion of the second side is disposed within 3 mm from the first edge of the substrate. The first product may further comprise a first barrier film that covers at least a portion of the first edge of the substrate, at least a portion of the first side of the substrate, and at least the first portion of the second side of the device.Type: GrantFiled: March 16, 2012Date of Patent: January 13, 2015Assignees: Princeton University Office of Technology and Trademark Licensing, Universal Display CorporationInventors: Prashant Mandlik, Ruiqing Ma, Jeff Silvernail, Julia J. Brown, Lin Han, Sigurd Wagner, Luke Walski
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Patent number: 8907560Abstract: A flexible OLED is provided on a flexible substrate. The flexible substrate has at least cut region. The substrate is expandable due to the separation of the flexible substrate at the cut region that is accommodated by bending of the flexible substrate. The substrate on which the flexible OLED is deposited on may be expanded without plastic deformation.Type: GrantFiled: May 12, 2011Date of Patent: December 9, 2014Assignee: Universal Display CorporationInventors: Peter Levermore, Kamala Rajan, Prashant Mandlik, Emory Krall, Huiqing Pang, Ruiqing Ma
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Patent number: 8835909Abstract: Thin-film transistors are made using an organosilicate glass (OSG) as an insulator material. The organosilicate glasses may be SiO2-silicone hybrid materials deposited by plasma-enhanced chemical vapor deposition from siloxanes and oxygen. These hybrid materials may be employed as the gate dielectric, as a subbing layer, and/or as a back channel passivating layer. The transistors may be made in any conventional TFT geometry.Type: GrantFiled: July 30, 2009Date of Patent: September 16, 2014Assignee: The Trustees of Princeton UniversityInventors: Lin Han, Prashant Mandlik, Sigurd Wagner
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Publication number: 20140248727Abstract: A first device and methods for manufacturing the first device are provided. The first device may comprise a flexible substrate and at least one organic light emitting device (OLED) disposed over the flexible substrate. The first device may have a flexural rigidity between 10?1 Nm and 10?6 Nm, and the ratio of the critical strain energy release rate to the material density factor for the first device may be greater than 0.05 J m/Kg.Type: ApplicationFiled: March 10, 2014Publication date: September 4, 2014Applicant: Universal Display CorporationInventors: Prashant Mandlik, Peter Levermore, Huiqing Pang, Emory Krall, Jason Paynter, Ruiqing Ma
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Publication number: 20140231793Abstract: Devices comprising multiple flexible substrates bearing OLEDs are provided. The flexible substrates are interconnected, and the properties of the substrates and the interconnections provide the shape of the device.Type: ApplicationFiled: September 29, 2011Publication date: August 21, 2014Applicant: Universal Display CorporationInventors: Kamala Rajan, Emory Krall, Prashant Mandlik, Ruiqing Ma, Peter Levermore, Huiqing Pang, Jeffrey Silvernail
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Patent number: 8773013Abstract: Novel three dimensional OLEDs are provided. The OLEDs have two configurations, and are self supporting in the three dimensional configuration without the need for any external supports.Type: GrantFiled: May 12, 2011Date of Patent: July 8, 2014Assignee: Universal Display CorporationInventors: Kamala Rajan, Prashant Mandlik, Huiqing Pang, Peter Levermore, Paul E. Burrows, Ruiqing Ma
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Patent number: 8766240Abstract: A permeation barrier film structure for organic electronic devices includes one or more bilayers having a hybrid permeation barrier composition. Each of the one or more bilayers includes a first region having a first composition corresponding to a first CF4—O2 Plasma Reactive Ion Etch Rate and a second region having a second composition corresponding to a second CF4—O2 Plasma Reactive Ion Etch Rate, wherein the second Etch Rate is greater than the first Etch Rate by a factor greater than 1.2 and the hybrid permeation barrier film is a homogeneous mixture of a polymeric material and a non-polymeric material, wherein the mixture is created from a single precursor material.Type: GrantFiled: September 21, 2010Date of Patent: July 1, 2014Assignee: Universal Display CorporationInventors: Prashant Mandlik, Jeffrey Silvernail, Ruiqing Ma
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Patent number: 8764255Abstract: A semi-rigid electronic device is disclosed that includes a flexible panel and a housing. The housing may have a physical dimension L, such as length, height, or a diagonal. The minimum bending device radius of the device along the dimension L may be L/pi when held at an edge. The bending radius increases the more rigid the device. The housing, electronic components, and display may each contribute to the flexibility of the overall device. The housing and/or the flexible panel may also include one or more ribs to constrain movement of the semi-rigid device.Type: GrantFiled: October 10, 2012Date of Patent: July 1, 2014Assignee: Universal Display CorporationInventors: Michael Hack, Emory Krall, Ruiqing Ma, Prashant Mandlik
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Publication number: 20140166989Abstract: A method of forming microelectronic systems on a flexible substrate includes depositing (typically sequentially) on a first side of the flexible substrate at least one organic thin film layer, at least one electrode and at least one thin film encapsulation layer over the at least one organic thin film layer and the at least one electrode, wherein depositing the at least one organic thin film layer, depositing the at least one electrode and depositing the at least one thin film encapsulation layer each occur under vacuum and wherein no physical contact of the at least one organic thin film layer or the at least one electrode with another solid material occurs prior to depositing the at least one thin film encapsulation layer.Type: ApplicationFiled: December 17, 2012Publication date: June 19, 2014Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Ruiqing Ma, Jeff Silvernail, Prashant Mandlik, Julia J. Brown, John Felts
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Publication number: 20140166990Abstract: A method of forming microelectronic systems on a flexible substrate includes depositing a plurality of layers on one side of the flexible substrate. Each of the plurality of layers is deposited from one of a plurality of sources. A vertical projection of a perimeter of each one of the plurality of sources does not intersect the flexible substrate. The flexible substrate is in motion during the depositing the plurality of layers via a roll to roll feed and retrieval system.Type: ApplicationFiled: December 17, 2012Publication date: June 19, 2014Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Ruiqing Ma, Jeff Silvernail, Prashant Mandlik, Julia J. Brown, John Felts
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Patent number: 8710518Abstract: A first device and methods for manufacturing the first device are provided. The first device may comprise a flexible substrate and at least one organic light emitting device (OLED) disposed over the flexible substrate. The first device may have a flexural rigidity between 10?1 Nm and 10?6 Nm, and the ratio of the critical strain energy release rate to the material density factor for the first device may be greater than 0.05 J m/Kg.Type: GrantFiled: May 11, 2012Date of Patent: April 29, 2014Assignee: Universal Display CorporationInventors: Prashant Mandlik, Peter Levermore, Huiqing Pang, Emory Krall, Jason Paynter, Ruiqing Ma
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Publication number: 20140098549Abstract: A semi-rigid electronic device is disclosed that includes a flexible panel and a housing. The housing may have a physical dimension L, such as length, height, or a diagonal. The minimum bending device radius of the device along the dimension L may be L/pi when held at an edge. The bending radius increases the more rigid the device. The housing, electronic components, and display may each contribute to the flexibility of the overall device. The housing and/or the flexible panel may also include one or more ribs to constrain movement of the semi-rigid device.Type: ApplicationFiled: October 10, 2012Publication date: April 10, 2014Inventors: Michael Hack, Emory Krall, Ruiqing Ma, Prashant Mandlik
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Publication number: 20140087497Abstract: Methods for forming a coating over a surface are disclosed. A method includes directing a first source of barrier film material toward a substrate in a first direction at an angle ? relative to the substrate, wherein ? is greater than about 0° and less than about 85°. Additionally, a method of depositing a barrier film over a substrate includes directing a plurality of N sources of barrier film material toward a substrate, each source being directed at an angle ?N relative to the substrate, wherein for each ?N, ? is greater than about 0° and less than about 180°. For at least a first of the ?N, ?N is greater than about 0° and less than about 85°, and for at least a second of the ?N, ?N is greater than about 95° and less than about 180°.Type: ApplicationFiled: September 5, 2013Publication date: March 27, 2014Applicants: The Trustees of Princeton University, Universal Display CorporationInventors: Prashant Mandlik, Ruiqing Ma, Sigurd Wagner, Bhadrinarayana Lalgudi Visweswaran
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Publication number: 20140054574Abstract: A method for protecting an electronic device comprising an organic device body. The method involves the use of a hybrid layer deposited by chemical vapor deposition. The hybrid layer comprises a mixture of a polymeric material and a non-polymeric material, wherein the weight ratio of polymeric to non-polymeric material is in the range of 95:5 to 5:95, and wherein the polymeric material and the non-polymeric material are created from the same source of precursor material. Also disclosed are techniques for impeding the lateral diffusion of environmental contaminants.Type: ApplicationFiled: October 29, 2013Publication date: February 27, 2014Applicants: UNIVERSAL DISPLAY CORPORATION, THE TRUSTEES OF PRINCETON UNIVERSITYInventors: Prashant MANDLIK, Sigurd WAGNER, Jeffrey A. SILVERNAIL, Ruiqing MA, Julia J. BROWN, Lin HAN