Patents by Inventor Dong Wook Nam
Dong Wook Nam 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: 11580773Abstract: Semiconductor package having self-aligned structure disclosed. Semiconductor package includes a semiconductor chip having an active area and at least one marginal area that is located around the active area, wherein at least one alignment bar is arranged on the marginal area and a top structure being arranged on the semiconductor chip and having a groove being formed on a bottom surface, wherein the groove is configured for accommodating the alignment bar.Type: GrantFiled: June 28, 2021Date of Patent: February 14, 2023Assignee: ARCSOFT CORPORATION LIMITEDInventors: Kwang Sue Park, Dong Wook Nam, Byung Il Min, Bong Seok Kim
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Patent number: 11442254Abstract: An augmented reality projection device is provided. The augmented reality projection device includes an excitation light source that generates excitation light and a fluorescent light detector that detects fluorescent light generated in the fluorescent light generation area and generates a fluorescent image. The device also includes a projector that converts an image signal for displaying a visual indicator in the fluorescent light generation area into visual indicator light. The device further includes a processor that controls operations of the excitation light source, the fluorescent light detector, and the projection. The device further includes a coaxial optics that delivers the excitation light and the visual indicator light to the fluorescent light generation area and delivers the fluorescent light to the fluorescent light detector.Type: GrantFiled: April 5, 2019Date of Patent: September 13, 2022Assignee: Inner Ray, Inc.Inventors: Dong Wook Nam, Joo Hyung Hong
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Patent number: 11378253Abstract: A fingerprint sensor is disclosed. An embodiment according to an aspect of the present invention provides a display having a fingerprint recognition function. The display having a fingerprint recognition function may comprise: a display panel, which is disposed under a cover glass and allows rays to pass therethrough, the rays having various incident angles indicating ridges and troughs of a fingerprint that is in contact with the cover glass; and an image sensor layer, which is disposed under the display panel and detects a ray to be detected in the rays having the various incident angles to generate a fingerprint image.Type: GrantFiled: June 28, 2017Date of Patent: July 5, 2022Assignee: ARCSOFT CORPORATION LIMITEDInventors: Kwang Sue Park, Dong Wook Nam, Byung Il Min
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Publication number: 20210326568Abstract: Semiconductor package having self-aligned structure disclosed. Semiconductor package includes a semiconductor chip having an active area and at least one marginal area that is located around the active area, wherein at least one alignment bar is arranged on the marginal area and a top structure being arranged on the semiconductor chip and having a groove being formed on a bottom surface, wherein the groove is configured for accommodating the alignment bar.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Inventors: Kwang Sue PARK, Dong Wook NAM, Byung Il MIN, Bong Seok KIM
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Patent number: 11080508Abstract: A semiconductor package including a prism sheet having dam structure disclosed. The semiconductor package includes a case having a wall configured for surrounding a space in which a semiconductor chip is installed, and a prism sheet having a prism surface consisting of a plurality of prism peaks and a plurality of prism valleys and a flat surface facing the prism surface, wherein the prism surface faces the semiconductor chip and the flat surface is coupled to a cover, wherein a dam extending in a direction different from an extending direction of the prism peak is formed on the prism surface.Type: GrantFiled: December 4, 2018Date of Patent: August 3, 2021Assignee: ARCSOFT CORPORATION LIMITEDInventors: Dong Wook Nam, Byung Il Min, Kwang Sue Park, Bong Seok Kim
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Publication number: 20210174053Abstract: A semiconductor package including a prism sheet having dam structure disclosed. The semiconductor package includes a case having a wall configured for surrounding a space in which a semiconductor chip is installed, and a prism sheet having a prism surface consisting of a plurality of prism peaks and a plurality of prism valleys and a flat surface facing the prism surface, wherein the prism surface faces the semiconductor chip and the flat surface is coupled to a cover, wherein a dam extending in a direction different from an extending direction of the prism peak is formed on the prism surface.Type: ApplicationFiled: December 4, 2018Publication date: June 10, 2021Inventors: Dong Wook NAM, Byung Il MIN, Kwang Sue PARK, Bong Seok KIM
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Publication number: 20200319431Abstract: An augmented reality projection device is provided. The augmented reality projection device includes an excitation light source that generates excitation light and a fluorescent light detector that detects fluorescent light generated in the fluorescent light generation area and generates a fluorescent image. The device also includes a projector that converts an image signal for displaying a visual indicator in the fluorescent light generation area into visual indicator light. The device further includes a processor that controls operations of the excitation light source, the fluorescent light detector, and the projection. The device further includes a coaxial optics that delivers the excitation light and the visual indicator light to the fluorescent light generation area and delivers the fluorescent light to the fluorescent light detector.Type: ApplicationFiled: April 5, 2019Publication date: October 8, 2020Inventors: Dong Wook Nam, Joo Hyung Hong
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Patent number: 10524666Abstract: In general aspect, a white excitation light generating device can include a fluorescent excitation light source that generates fluorescent excitation light, a first light source that generates first monochromatic light of a first wavelength different from a wavelength of the fluorescent excitation light, a second light source that generates second monochromatic light of a second wavelength different from the wavelength of the fluorescent excitation light and the first wavelength, a spectrophoto sensor that measures tristimulus values of at least one of the fluorescent excitation light, the first monochromatic light, and the second monochromatic light, and a controller that adjusts an output of at least one of the fluorescent excitation light source, the first light source, and the second light source on the basis of the measured tristimulus values.Type: GrantFiled: May 9, 2018Date of Patent: January 7, 2020Assignee: Inner Ray, Inc.Inventors: Dong Wook Nam, Joo Hyung Hong
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Publication number: 20190343391Abstract: In general aspect, a white excitation light generating device can include a fluorescent excitation light source that generates fluorescent excitation light, a first light source that generates first monochromatic light of a first wavelength different from a wavelength of the fluorescent excitation light, a second light source that generates second monochromatic light of a second wavelength different from the wavelength of the fluorescent excitation light and the first wavelength, a spectrophoto sensor that measures tristimulus values of at least one of the fluorescent excitation light, the first monochromatic light, and the second monochromatic light, and a controller that adjusts an output of at least one of the fluorescent excitation light source, the first light source, and the second light source on the basis of the measured tristimulus values.Type: ApplicationFiled: May 9, 2018Publication date: November 14, 2019Inventors: Dong Wook Nam, Joo Hyung Hong
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Publication number: 20190228204Abstract: A fingerprint sensor is disclosed. An embodiment according to an aspect of the present invention provides a display having a fingerprint recognition function. The display having a fingerprint recognition function may comprise: a display panel, which is disposed under a cover glass and allows rays to pass therethrough, the rays having various incident angles indicating ridges and troughs of a fingerprint that is in contact with the cover glass; and an image sensor layer, which is disposed under the display panel and detects a ray to be detected in the rays having the various incident angles to generate a fingerprint image.Type: ApplicationFiled: June 28, 2017Publication date: July 25, 2019Inventors: Kwang Sue PARK, Dong Wook NAM, Byung II MIN
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Patent number: 10235553Abstract: A display device for fingerprint detection is disclosed. The display device includes a plurality of gate lines and a plurality of data lines, a first switching transistor, a storage capacitor, a light-receiving element, and a second switching transistor. The plurality of data lines are used for reading a charged voltage across the storage capacitor.Type: GrantFiled: September 16, 2016Date of Patent: March 19, 2019Assignee: BEYONDEYESInventors: Kwangsue Park, Dong Wook Nam, Byung II Min
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Patent number: 9640572Abstract: A unit pixel formed on a substrate and configured to convert incident light to an electrical signal is provided. The unit pixel includes: a source having a source voltage supplied thereto and having a silicide layer for metal contact formed thereabove; a drain spaced apart from the source and having a silicide layer for metal contact formed thereabove; a channel formed between the source and the drain and having a current flowed therethrough; an insulating layer formed above the channel; and a floating gate having a nonsal structure in which no silicide layer is formed thereabove in order to facilitate an absorption of light, formed above the insulating layer so as to be placed between the source and the drain, and configured to control an amount of current flowing through the channel by an electric field generated by electron-hole pairs generated by the incident light.Type: GrantFiled: December 12, 2014Date of Patent: May 2, 2017Assignee: BEYONDEYESInventors: Kwangsue Park, Byung Il Min, Dong Wook Nam
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Publication number: 20170083738Abstract: A display device for fingerprint detection is disclosed. The display device includes a plurality of gate lines and a plurality of data lines, a first switching transistor, a storage capacitor, a light-receiving element, and a second switching transistor. The plurality of data lines are used for reading a charged voltage across the storage capacitor.Type: ApplicationFiled: September 16, 2016Publication date: March 23, 2017Inventors: Kwangsue Park, Dong Wook Nam, Byung II Min
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Publication number: 20160315111Abstract: A unit pixel formed on a substrate and configured to convert incident light to an electrical signal is provided. The unit pixel includes: a source having a source voltage supplied thereto and having a silicide layer for metal contact formed thereabove; a drain spaced apart from the source and having a silicide layer for metal contact formed thereabove; a channel formed between the source and the drain and having a current flowed therethrough; an insulating layer formed above the channel; and a floating gate having a nonsal structure in which no silicide layer is formed thereabove in order to facilitate an absorption of light, formed above the insulating layer so as to be placed between the source and the drain, and configured to control an amount of current flowing through the channel by an electric field generated by electron-hole pairs generated by the incident light.Type: ApplicationFiled: December 12, 2014Publication date: October 27, 2016Inventors: Kwangsue Park, Byung II Min, Dong Wook Nam