Patents by Inventor Chong Pyung An
Chong Pyung An 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: 11906483Abstract: An apparatus for testing a sheet of brittle material is disclosed. The apparatus can include a plurality of assemblies configured for selectively applying a 3-point bending load on an edge of the sheet of material in a test region of the apparatus, a detection mechanism that optically measures strain in the sheet of material in the region, and a processor that determines the stress in the sheet based on the measured strain by calculating the stress that would be required to produce the measured strain in the sheet of material.Type: GrantFiled: May 6, 2020Date of Patent: February 20, 2024Assignee: Corning IncorporatedInventors: Gabriel Pierce Agnello, Chong Pyung An, Zhenxing Hu, Bosun Jang, Peter Knowles, Balamurugan Meenakshi Sundaram, Douglas Miles Noni, Jr., Richard Sean Priestley, Jamie Todd Westbrook
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Patent number: 11906482Abstract: An apparatus for testing the edge strength of a discrete sheet of material such as glass where the sheet has an irregular free-form shaped outline is disclosed. The apparatus can include a plurality of assemblies configured for selectively applying a 3-point bending load on an edge of the sheet of material in a test region of the apparatus, a detection mechanism that optically measures strain in the sheet of material in the region, and a processor that determines the stress in the sheet based on the measured strain by calculating the stress that would be required to produce the measured strain in the sheet of material.Type: GrantFiled: April 22, 2021Date of Patent: February 20, 2024Assignee: Corning IncorporatedInventors: Gabriel Pierce Agnello, Chong Pyung An, Zhenxing Hu, Bosun Jang, Peter Knowles, Balamurugan Meenakshi Sundaram, Douglas Miles Noni, Jr., Richard Sean Priestley, Jamie Todd Westbrook
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Publication number: 20230221261Abstract: A method for inspecting a transparent workpiece comprises: directing light from an illumination source onto a plurality of defects formed in the transparent workpiece, wherein the plurality of defects extends in a defect direction, wherein the transparent workpiece comprises a first surface and a second surface; detecting a scattering image signal from light scattered by the plurality of defects using an imaging system, wherein an imaging axis of the imaging system extends at a non-zero imaging angle relative to the defect direction, wherein entireties of at least a subset of the plurality of defects are within a depth of field of the imaging system; and generating a three-dimensional image of at least one of the plurality of defects based on the scattering signal.Type: ApplicationFiled: May 25, 2021Publication date: July 13, 2023Inventors: Chong Pyung An, En Hong, Tian Huang, Yuhui Jin, Philip Robert LeBlanc, Garrett Andrew Piech
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Publication number: 20220057309Abstract: An apparatus for testing a sheet of brittle material is disclosed. The apparatus can include a plurality of assemblies configured for selectively applying a 3-point bending load on an edge of the sheet of material in a test region of the apparatus, a detection mechanism that optically measures strain in the sheet of material in the region, and a processor that determines the stress in the sheet based on the measured strain by calculating the stress that would be required to produce the measured strain in the sheet of material.Type: ApplicationFiled: May 6, 2020Publication date: February 24, 2022Inventors: Gabriel Pierce Agnello, Chong Pyung An, Zhenxing Hu, Bosun Jang, Peter Knowles, Balamurugan Meenakshi Sundaram, Douglas Miles Noni, JR., Richard Sean Priestley, Jamie Todd Westbrook
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Patent number: 11204280Abstract: A method for determining crystal phases of a glass ceramic sample, including the steps of applying energy to the sample using an excitation source, detecting raw Raman spectral energy that is given off by the sample using a detector, wherein the raw Raman spectral energy includes peak values, determining a plurality of predetermined energy peaks based off a composition of the sample, superimposing the plurality of predetermined energy peaks over the raw Raman spectral energy, applying a baseline value between each predetermined energy peak, subtracting the baseline value from the raw Raman spectral energy, calculating corrected peak values based on the raw Raman spectral energy and baseline value, and determining the crystal phases of the glass ceramic sample based on the corrected peak values.Type: GrantFiled: February 28, 2020Date of Patent: December 21, 2021Assignee: CORNING INCORPORATEDInventors: Chong Pyung An, Ryan Claude Andrews, Galan Gregory Moore, Rohit Rai, Erika Lynn Stapleton, Ljerka Ukrainczyk
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Publication number: 20210239584Abstract: An apparatus for testing the edge strength of a discrete sheet of material such as glass where the sheet has an irregular free-form shaped outline is disclosed. The apparatus can include a plurality of assemblies configured for selectively applying a 3-point bending load on an edge of the sheet of material in a test region of the apparatus, a detection mechanism that optically measures strain in the sheet of material in the region, and a processor that determines the stress in the sheet based on the measured strain by calculating the stress that would be required to produce the measured strain in the sheet of material.Type: ApplicationFiled: April 22, 2021Publication date: August 5, 2021Inventors: Gabriel Pierce Agnello, Chong Pyung An, Zhenxing Hu, Bosun Jang, Peter Knowles, Balamurugan Meenakshi Sundaram, Douglas Miles Noni, JR., Richard Sean Priestley, Jamie Todd Westbrook
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Publication number: 20200278254Abstract: A method for determining crystal phases of a glass ceramic sample, including the steps of applying energy to the sample using an excitation source, detecting raw Raman spectral energy that is given off by the sample using a detector, wherein the raw Raman spectral energy includes peak values, determining a plurality of predetermined energy peaks based off a composition of the sample, superimposing the plurality of predetermined energy peaks over the raw Raman spectral energy, applying a baseline value between each predetermined energy peak, subtracting the baseline value from the raw Raman spectral energy, calculating corrected peak values based on the raw Raman spectral energy and baseline value, and determining the crystal phases of the glass ceramic sample based on the corrected peak values.Type: ApplicationFiled: February 28, 2020Publication date: September 3, 2020Inventors: Chong Pyung An, Ryan Claude Andrews, Galan Gregory Moore, Rohit Rai, Erika Lynn Stapleton, Ljerka Ukrainczyk
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Patent number: 10732126Abstract: A method of inspecting defects on a transparent substrate may include: selecting a gradient of an illumination optical system so that light incident on the transparent substrate has a first angle; selecting a gradient of a detection optical system so that an optical axis of the detection optical system located over the transparent substrate has a second angle, which is equal to or less than the first angle; adjusting a position of at least one of the illumination optical system, the transparent substrate, and the detection optical system so that a field-of-view of the detection optical system covers a first region where the light meets a first surface of the transparent substrate and does not cover a second region where light meets a second surface of the transparent substrate, the second surface being opposite to the first surface; illuminating the transparent substrate; and detecting light scattered from the transparent substrate.Type: GrantFiled: October 31, 2017Date of Patent: August 4, 2020Assignee: Corning IncorporatedInventors: Chong Pyung An, Uta-Barbara Goers, En Hong, Sung-chan Hwang, Ji Hwa Jung, Tae-ho Keem, Philip Robert LeBlanc, Hyeong-cheol Lee, Michal Mlejnek, Johannes Moll, Rajeshkannan Palanisamy, Sung-jong Pyo, Amanda Kathryn Thomas, Correy Robert Ustanik
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Patent number: 10613007Abstract: Apparatus and method for testing a sheet of brittle material comprising the steps of measuring one or more edge features of a sheet of brittle material, imparting a bend to the sheet of brittle material and producing relative motion between the sheet and the bend such that the bend traverses the sheet. A stress can be induced in the sheet as a function of the relative motion and imparted bend, wherein the induced stress corresponds to a predetermined strength value, and the measured one or more edge features can be correlated with the strength value.Type: GrantFiled: March 10, 2016Date of Patent: April 7, 2020Assignee: Corning IncorporatedInventors: Gabriel Pierce Agnello, Chong Pyung An, William Kenneth Denson, Peter Knowles, David Bruce Moorehouse, Denwood Falconer Ross, III, Correy Robert Ustanik, Siva Venkatachalam
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Publication number: 20190277774Abstract: A method of inspecting defects on a transparent substrate may include: selecting a gradient of an illumination optical system so that light incident on the transparent substrate has a first angle; selecting a gradient of a detection optical system so that an optical axis of the detection optical system located over the transparent substrate has a second angle, which is equal to or less than the first angle; adjusting a position of at least one of the illumination optical system, the transparent substrate, and the detection optical system so that a field-of-view of the detection optical system covers a first region where the light meets a first surface of the transparent substrate and does not cover a second region where light meets a second surface of the transparent substrate, the second surface being opposite to the first surface; illuminating the transparent substrate; and detecting light scattered from the transparent substrate.Type: ApplicationFiled: October 31, 2017Publication date: September 12, 2019Inventors: Chong Pyung An, Uta-Barbara Goers, En Hong, Sung-chan Hwang, Ji Hwa Jung, Tae-ho Keem, Philip Robert LeBlanc, Hyeong-cheol Lee, Michal Mlejnek, Johannes Moll, Rajeshkannan Palanisamy, Sung-jong Pyo, Amanda Kathryn Thomas, Correy Robert Ustanik
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Patent number: 10295330Abstract: A method includes introducing light into a glass article such that at least a portion of the introduced light is emitted from an edge of the glass article. The light emitted from an edge of the glass article is detected. An intensity profile of the emitted light is an intensity of the emitted light as a function of axial position. A first intensity boundary of the intensity profile and a second intensity boundary of the intensity profile are determined. A thickness of a layer of the glass article is determined based on an axial distance between the first intensity boundary and the second intensity boundary.Type: GrantFiled: June 4, 2015Date of Patent: May 21, 2019Assignee: CORNING INCORPORATEDInventors: Chong Pyung An, Sang-Mook Lee, James Patrick Trice
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Publication number: 20180073967Abstract: Apparatus and method for testing a sheet of brittle material comprising the steps of measuring one or more edge features of a sheet of brittle material, imparting a bend to the sheet of brittle material and producing relative motion between the sheet and the bend such that the bend traverses the sheet. A stress can be induced in the sheet as a function of the relative motion and imparted bend, wherein the induced stress corresponds to a predetermined strength value, and the measured one or more edge features can be correlated with the strength value.Type: ApplicationFiled: March 10, 2016Publication date: March 15, 2018Inventors: Gabriel Pierce Agnello, Chong Pyung An, William Kenneth Denson, Peter Knowles, David Bruce Moorehouse, Denwood Falconer Ross, Correy Robert Ustanik, Siva Venkatachalam
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Publication number: 20170122724Abstract: A method includes introducing light into a glass article such that at least a portion of the introduced light is emitted from an edge of the glass article. The light emitted from an edge of the glass article is detected. An intensity profile of the emitted light is an intensity of the emitted light as a function of axial position. A first intensity boundary of the intensity profile and a second intensity boundary of the intensity profile are determined. A thickness of a layer of the glass article is determined based on an axial distance between the first intensity boundary and the second intensity boundary.Type: ApplicationFiled: June 4, 2015Publication date: May 4, 2017Inventors: Chong Pyung An, Sang-Mook Lee, James Patrick Trice
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Publication number: 20140120315Abstract: A multi-layer thin film laminate comprises a dyad layer including a barrier layer and a decoupling layer formed over a substrate. The barrier layer comprises a hermetic glass material selected from the group consisting of tin fluorophosphate glasses, tungsten-doped tin fluorophosphate glasses, chalcogenide glasses, tellurite glasses, borate glasses and phosphate glasses and the decoupling layer comprises a polymer material.Type: ApplicationFiled: October 25, 2012Publication date: May 1, 2014Inventors: Bruce Gardiner Aitken, Chong Pyung An, Shari Elizabeth Koval, Mark Alejandro Quesada
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Patent number: 8435604Abstract: A sealing method for decreasing the time it takes to hermetically seal a device and the resulting hermetically sealed device (e.g., a hermetically sealed OLED device) are described herein. The sealing method includes the steps of: (1) cooling an un-encapsulated device; (2) depositing a sealing material over at least a portion of the cooled device to form an encapsulated device; and (3) heat treating the encapsulated device to form a hermetically sealed device. In one embodiment, the sealing material is a low liquidus temperature inorganic (LLT) material such as, for example, tin-fluorophosphate glass, tungsten-doped tin fluorophosphate glass, chalcogenide glass, tellurite glass, borate glass and phosphate glass. In another embodiment, the sealing material is a Sn2+-containing inorganic oxide material such as, for example, SnO, SnO+P2O5 and SnO+BPO4.Type: GrantFiled: April 6, 2010Date of Patent: May 7, 2013Assignee: Corning IncorporatedInventors: Bruce Gardiner Aitken, Chong Pyung An, Mark Alejandro Quesada
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Publication number: 20120028011Abstract: A hermetic thin film includes a first inorganic layer and a second inorganic layer contiguous with the first inorganic layer, wherein the second inorganic layer is formed as a reaction product of the first inorganic layer with oxygen and has a molar volume that is about ?1% to 15% greater than a molar volume of the first inorganic layer. An equilibrium thickness of the second inorganic layer is at least 10% of but less than an as-deposited thickness of the first inorganic layer.Type: ApplicationFiled: September 10, 2010Publication date: February 2, 2012Inventors: CHONG Pyung An, Mark Alejandro Quesada
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Patent number: 7920257Abstract: Disclosed are systems and methods for determining the shape of a glass sheet during and/or after the forming process. In one example, a system for determining the shape of a glass sheet defining an interior bulk can include a light source, an image capture device and a processor that are configured to calculate the location of an energy centroid within a selected portion of the bulk of the glass sheet.Type: GrantFiled: August 27, 2008Date of Patent: April 5, 2011Assignee: Corning IncorporatedInventors: Chong Pyung An, Philip Robert LeBlanc, James Arthur Smith, James Patrick Trice, Dale Alan Webb, Piotr Janusz Wesolowski
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Publication number: 20100193353Abstract: A sealing method for decreasing the time it takes to hermetically seal a device and the resulting hermetically sealed device (e.g., a hermetically sealed OLED device) are described herein. The sealing method includes the steps of: (1) cooling an un-encapsulated device; (2) depositing a sealing material over at least a portion of the cooled device to form an encapsulated device; and (3) heat treating the encapsulated device to form a hermetically sealed device. In one embodiment, the sealing material is a low liquidus temperature inorganic (LLT) material such as, for example, tin-fluorophosphate glass, tungsten-doped tin fluorophosphate glass, chalcogenide glass, tellurite glass, borate glass and phosphate glass. In another embodiment, the sealing material is a Sn2+-containing inorganic oxide material such as, for example, SnO, SnO+P2O5 and SnO+BPO4.Type: ApplicationFiled: April 6, 2010Publication date: August 5, 2010Inventors: Bruce Gardiner Aitken, Chong Pyung An, Mark Alejandro Quesada
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Patent number: 7749811Abstract: A method is disclosed for inhibiting oxygen and moisture penetration of a device comprising the steps of depositing a tin phosphate low liquidus temperature (LLT) inorganic material on at least a portion of the device to create a deposited tin phosphate LLT material, and heat treating the deposited LLT material in a substantially oxygen and moisture free environment to form a hermetic seal; wherein the step of depositing the LLT material comprises the use of a resistive heating element comprising tungsten. An organic electronic device is also disclosed comprising a substrate plate, at least one electronic or optoelectronic layer, and a tin phosphate LLT barrier layer, wherein the electronic or optoelectronic layer is hermetically sealed between the tin phosphate LLT barrier layer and the substrate plate. An apparatus is also disclosed having at least a portion thereof sealed with a tin phosphate LLT barrier layer.Type: GrantFiled: September 3, 2009Date of Patent: July 6, 2010Assignee: Corning IncorporatedInventors: Bruce Gardiner Aitken, Chong Pyung An, Benjamin Zain Hanson, Mark Alejandro Quesada
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Patent number: 7722929Abstract: A sealing method for decreasing the time it takes to hermetically seal a device and the resulting hermetically sealed device (e.g., a hermetically sealed OLED device) are described herein. The sealing method includes the steps of: (1) cooling an un-encapsulated device; (2) depositing a sealing material over at least a portion of the cooled device to form an encapsulated device; and (3) heat treating the encapsulated device to form a hermetically sealed device. In one embodiment, the sealing material is a low liquidus temperature inorganic (LLT) material such as, for example, tin-fluorophosphate glass, tungsten-doped tin fluorophosphate glass, chalcogenide glass, tellurite glass, borate glass and phosphate glass. In another embodiment, the sealing material is a Sn2+-containing inorganic oxide material such as, for example, SnO, SnO+P2O5 and SnO+BPO4.Type: GrantFiled: June 21, 2007Date of Patent: May 25, 2010Assignee: Corning IncorporatedInventors: Bruce Gardiner Aitken, Chong Pyung An, Mark Alejandro Quesada