Patents by Inventor Soon Bum Kwon
Soon Bum Kwon 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).
-
Patent number: 11281064Abstract: Provided are a transmittance variable window that maximizes user convenience and a moving means including the same including a first substrate and a second substrate facing each other; a first electrode and a first alignment layer sequentially stacked on a surface of the first substrate, the surface facing the second substrate; a second electrode and a second alignment layer sequentially stacked on a surface of the second substrate, the surface facing the first substrate; a liquid crystal layer interposed between the first alignment layer and the second alignment layer; a first polarizing plate disposed on a surface of the first substrate, the surface facing away from the second substrate; and a second polarizing plate disposed on a surface of the second substrate, the surface facing away from the first substrate, wherein if a potential difference applied between the first electrode and the second electrode is V, considering an incidence light incident on any one of the first polarizing plate and the second pType: GrantFiled: October 10, 2018Date of Patent: March 22, 2022Assignee: NDIS CORPORATIONInventors: Soon Bum Kwon, Burm Young Lee, Hee Sang Yoo, Da Som Yoon
-
Patent number: 11236544Abstract: Provided are a smart window, a sliding smart window, a smart window for a vehicle, a sun visor for a vehicle, a smart window device, and a head-mounted smart window device which have maximized user convenience.Type: GrantFiled: January 7, 2019Date of Patent: February 1, 2022Assignee: NDIS CORPORATIONInventors: Soon Bum Kwon, Burm Young Lee, Hee Sang Yoo, Da Som Yoon
-
Publication number: 20210165259Abstract: Provided are a transmittance variable window that maximizes user convenience and a moving means including the same including a first substrate and a second substrate facing each other; a first electrode and a first alignment layer sequentially stacked on a surface of the first substrate, the surface facing the second substrate; a second electrode and a second alignment layer sequentially stacked on a surface of the second substrate, the surface facing the first substrate; a liquid crystal layer interposed between the first alignment layer and the second alignment layer; a first polarizing plate disposed on a surface of the first substrate, the surface facing away from the second substrate; and a second polarizing plate disposed on a surface of the second substrate, the surface facing away from the first substrate, wherein if a potential difference applied between the first electrode and the second electrode is V, considering an incidence light incident on any one of the first polarizing plate and the second pType: ApplicationFiled: October 10, 2018Publication date: June 3, 2021Applicant: NDIS CorporationInventors: Soon Bum KWON, Burm Young LEE, Hee Sang YOO, Da Som YOON
-
Publication number: 20210071473Abstract: Provided are a smart window, a sliding smart window, a smart window for a vehicle, a sun visor for a vehicle, a smart window device, and a head-mounted smart window device which have maximized user convenience.Type: ApplicationFiled: January 7, 2019Publication date: March 11, 2021Inventors: Soon Bum KWON, Burm Young LEE, Hee Sang YOO, Da Som YOON
-
Patent number: 10629769Abstract: The present invention provides a method of manufacturing a solar cell, the method including: a process of forming a first semiconductor layer on an upper surface of a semiconductor wafer and forming a second semiconductor layer, having a polarity different from a polarity of the first semiconductor layer, on a lower surface of the semiconductor wafer; a process of forming a first transparent conductive layer on an upper surface of the first semiconductor layer to externally expose a portion of the first semiconductor layer and forming a second transparent conductive layer on a lower surface of the second semiconductor layer to externally expose a portion of the second semiconductor layer; and a plasma treatment process on at least one of the first transparent conductive layer and the second transparent conductive layer, wherein the plasma treatment process includes a process of removing the externally exposed portion of the first semiconductor layer and the externally exposed portion of the second semiconductType: GrantFiled: August 21, 2017Date of Patent: April 21, 2020Assignee: JUSUNG ENGINEERING CO., LTD.Inventors: Jeong Ho Seo, Soon Bum Kwon, Ki-Duck Kim, Jong In Kim, Chang Kyun Park, Won Suk Shin, Kyoung Jin Lim, Beop Jong Jin
-
Publication number: 20180358506Abstract: The present invention provides a method of manufacturing a solar cell, the method including: a process of forming a first semiconductor layer on an upper surface of a semiconductor wafer and forming a second semiconductor layer, having a polarity different from a polarity of the first semiconductor layer, on a lower surface of the semiconductor wafer; a process of forming a first transparent conductive layer on an upper surface of the first semiconductor layer to externally expose a portion of the first semiconductor layer and forming a second transparent conductive layer on a lower surface of the second semiconductor layer to externally expose a portion of the second semiconductor layer; and a plasma treatment process on at least one of the first transparent conductive layer and the second transparent conductive layer, wherein the plasma treatment process includes a process of removing the externally exposed portion of the first semiconductor layer and the externally exposed portion of the second semiconductType: ApplicationFiled: August 21, 2017Publication date: December 13, 2018Inventors: Jeong Ho SEO, Soon Bum KWON, Ki-Duck KIM, Jong In KIM, Chang Kyun PARK, Won Suk SHIN, Kyoung Jin LIM, Beop Jong JIN
-
Patent number: 10143974Abstract: The present invention relates to a forward osmosis-based separation membrane based on a multilayer thin film, using crosslinking between organic monomers, and a preparation method therefore, and in the preparation of the forward osmosis-based separation membrane including a support layer and a selective layer, a middle layer is provided between the support layer and the selective layer so as to prevent a phenomenon in which the selective layer is filled in a pore of the support layer, such that the thickness of a multilayer thin film constituting the selective layer is optimized, and excellent water permeability, salt removal rate and pollution resistance properties are exhibited through the support layer having a structure of uniform surface pores and minimized pore distortion.Type: GrantFiled: February 19, 2014Date of Patent: December 4, 2018Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Seockheon Lee, Soon Bum Kwon, Jung-Hyun Lee, Jong Suk Lee
-
Publication number: 20170269402Abstract: The present disclosure relates to a display device in which the same driving voltage is applied to pixels and a manufacturing method thereof. One aspect of a display device comprises a first substrate; a second substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and comprising a plurality of sub-cells, wherein the plurality of sub-cells respectively comprises a cholesteric liquid crystal and a polymer cured to fix a helical pitch of the cholesteric liquid crystal.Type: ApplicationFiled: April 24, 2015Publication date: September 21, 2017Inventors: Hee Yuel ROH, Soon Bum KWON, Kyoung Sun KIM, Yan JIN, Joo Ho KIM, Burm Young LEE, Jun Sung CHUNG
-
Patent number: 9689603Abstract: A refrigerator includes a body including a storage chamber; a door that is coupled to the body so as to open/close the storage chamber; a display that is disposed in at least one region of the door and is configured to be converted between a transparent mode and a display mode; and a controller that controls the display to display at least one among a text, an image, and color when the display is in the display mode.Type: GrantFiled: March 30, 2015Date of Patent: June 27, 2017Assignees: SAMSUNG ELECTRONICS CO., LTD., NDIS CORPORATIONInventors: Hee Yuel Roh, Soon-Bum Kwon, Kyoung Sun Kim, Joo Ho Kim, Otsuka Tatsuhiro, Burm-Young Lee
-
Patent number: 9645400Abstract: The present invention provides a three-dimensional image display device for improving the visibility with prevention of moiré phenomena. The display device includes an image panel having a pixel repeatedly arranged in a first direction. The pixel consists of k sub-pixels where k is natural number. The average of the center distances between adjacent sub-pixels in the first direction is Psub. The display also includes a barrier panel arranged before or behind the image panel, a first substrate and a second substrate facing each other. The barrier panel is arranged between the first and the second substrate. The display device further includes a plurality of walls extended in a second direction crossing the first direction arranged with an interval Pw in the first direction, where m is a natural number but not a multiple of k, and Pw=mPsub.Type: GrantFiled: September 23, 2015Date of Patent: May 9, 2017Assignee: NDIS Corp.Inventors: Soon Bum Kwon, Sang Hyun Park, Zhe Hong
-
Publication number: 20170056838Abstract: The present invention relates to a forward osmosis-based separation membrane based on a multilayer thin film, using crosslinking between organic monomers, and a preparation method therefore, and in the preparation of the forward osmosis-based separation membrane including a support layer and a selective layer, a middle layer is provided between the support layer and the selective layer so as to prevent a phenomenon in which the selective layer is filled in a pore of the support layer, such that the thickness of a multilayer thin film constituting the selective layer is optimized, and excellent water permeability, salt removal rate and pollution resistance properties are exhibited through the support layer having a structure of uniform surface pores and minimized pore distortion.Type: ApplicationFiled: February 19, 2014Publication date: March 2, 2017Applicant: Korean Institute of Science and TechnologyInventors: Seockheon LEE, Soon Bum KWON, Jung-Hyun LEE, Jong Suk LEE
-
Publication number: 20160062129Abstract: The present invention provides a three-dimensional image display device for improving the visibility with prevention of moiré phenomena. The display device includes an image panel having a pixel repeatedly arranged in a first direction. The pixel consists of k sub-pixels where k is natural number. The average of the center distances between adjacent sub-pixels in the first direction is Psub. The display also includes a barrier panel arranged before or behind the image panel, a first substrate and a second substrate facing each other. The barrier panel is arranged between the first and the second substrate. The display device further includes a plurality of walls extended in a second direction crossing the first direction arranged with an interval Pw in the first direction, where m is a natural number but not a multiple of k, and Pw=mPsub.Type: ApplicationFiled: September 23, 2015Publication date: March 3, 2016Inventors: Soon Bum KWON, Sang Hyun PARK, Zhe HONG
-
Publication number: 20150276302Abstract: A refrigerator includes a body including a storage chamber; a door that is coupled to the body so as to open/close the storage chamber; a display that is disposed in at least one region of the door and is configured to be converted between a transparent mode and a display mode; and a controller that controls the display to display at least one among a text, an image, and color when the display is in the display mode.Type: ApplicationFiled: March 30, 2015Publication date: October 1, 2015Applicants: SAMSUNG ELECTRONICS CO., LTD., NDIS CorporationInventors: Hee Yuel ROH, Soon-Bum KWON, Kyoung Sun KIM, Joo Ho KIM, Otsuka TATSUHIRO, Burm-Young LEE
-
Patent number: 9019446Abstract: A method for manufacturing a liquid crystal display device including first, second, and third pixels for displaying different colors comprises the steps of: forming a first electrode on a substrate; forming a liquid crystal layer including a cholesteric liquid crystal as a mixed material of a non-polymeric liquid crystal compound and a photosensitive chiral additive; irradiating a different intensity of light on the liquid crystal layer positioned on the first pixel, the liquid crystal layer positioned on the second pixel, and the liquid crystal layer positioned on the third pixel; and forming a second electrode facing the first electrode.Type: GrantFiled: November 16, 2010Date of Patent: April 28, 2015Assignee: NDIS CorporationInventors: Burm-Young Lee, Soon-Bum Kwon, Seo-Kyu Park, Hee-Suck Cho, Ji-Hoon Lee
-
Patent number: 8325108Abstract: A system for controlling brightness flicker of a parallax barrier LCD having a wide viewing angle capable of minimizing brightness flicker by adjusting a permittivity curve depending on different times into a predetermined waveform when split barriers are on/off by movement of a viewer's viewing angle, and a method thereof. A method of controlling brightness flicker of a parallax barrier LCD having a wide viewing angle for controlling brightness of a display providing a stereoscopic image by acquiring a real-time image of a viewer, recognizing an image of the viewer and extracting locations and coordinates of eyes of the viewer, and controlling turn-on/off of split barrier electrodes.Type: GrantFiled: July 2, 2010Date of Patent: December 4, 2012Assignee: NDIS CorporationInventors: Kwan-Sik Min, Sang Hyun Park, Soon Bum Kwon, Hyonam Joo, Dong Cheol Jeong, Tai Hoon Cho
-
Publication number: 20120274883Abstract: A method for manufacturing a liquid crystal display device including first, second, and third pixels for displaying different colors comprises the steps of: forming a first electrode on a substrate; forming a liquid crystal layer including a cholesteric liquid crystal as a mixed material of a non-polymeric liquid crystal compound and a photosensitive chiral additive; irradiating a different intensity of light on the liquid crystal layer positioned on the first pixel, the liquid crystal layer positioned on the second pixel, and the liquid crystal layer positioned on the third pixel; and forming a second electrode facing the first electrode.Type: ApplicationFiled: November 16, 2010Publication date: November 1, 2012Applicant: NDIS CORPORATIONInventors: Burm-Young Lee, Soon-Bum Kwon, Seo-Kyu Park, Hee-Suck Cho, Ji-Hoon Lee
-
Patent number: 8089592Abstract: Disclosed is a full color liquid crystal display, including a lower substrate and an upper substrate facing each other, partition spacers uniformly arranged between the lower substrate and the upper substrate to form a plurality of spaces while maintaining a cell gap between the lower substrate and the upper substrate, a lower transparent electrode and an upper transparent electrode respectively provided to the lower substrate and the upper substrate in the spaces defined by the partition spacers so as to face each other, subpixels having liquid crystals which are able to reflect or absorb respective specific light wavelengths and which are separately received in the spaces defined by the partition spacers, a plurality of such subpixels constituting a single pixel to exhibit full color.Type: GrantFiled: November 14, 2007Date of Patent: January 3, 2012Assignee: NDIS CorporationInventors: Soon Bum Kwon, Gwan Sik Min, Hee Suck Cho
-
Publication number: 20110006979Abstract: A system for controlling brightness flicker of a parallax barrier LCD having a wide viewing angle capable of minimizing brightness flicker by adjusting a permittivity curve depending on different times into a predetermined waveform when split barriers are on/off by movement of a viewer's viewing angle, and a method thereof. A method of controlling brightness flicker of a parallax barrier LCD having a wide viewing angle for controlling brightness of a display providing a stereoscopic image by acquiring a real-time image of a viewer, recognizing an image of the viewer and extracting locations and coordinates of eyes of the viewer, and controlling turn-on/off of split barrier electrodes.Type: ApplicationFiled: July 2, 2010Publication date: January 13, 2011Applicant: NDIS CorporationInventors: Kwan-Sik Min, Sang Hyun Park, Soon Bum Kwon, Hyonam Joo, Dong Cheol Jeong, Tai Hoon Cho
-
Publication number: 20080212014Abstract: Disclosed is a full color liquid crystal display, including a lower substrate and an upper substrate facing each other, partition spacers uniformly arranged between the lower substrate and the upper substrate to form a plurality of spaces while maintaining a cell gap between the lower substrate and the upper substrate, a lower transparent electrode and an upper transparent electrode respectively provided to the lower substrate and the upper substrate in the spaces defined by the partition spacers so as to face each other, subpixels having liquid crystals which are able to reflect or absorb respective specific light wavelengths and which are separately received in the spaces defined by the partition spacers, a plurality of such subpixels constituting a single pixel to exhibit full color.Type: ApplicationFiled: November 14, 2007Publication date: September 4, 2008Applicant: NDIS CorporationInventors: Soon Bum Kwon, Gwan Sik Min, Hee Suck Cho
-
Patent number: 7310125Abstract: A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into circularly polarized light; a liquid crystal layer for varying the phase of the light differently depending on the presence or absence of an electric field; a cholesteric liquid crystal color filter for selectively reflecting light received from the liquid crystal layer; and a black background for absorbing light passing through the color filter.Type: GrantFiled: January 14, 2004Date of Patent: December 18, 2007Assignee: LG.Philips Co., Ltd.Inventors: Yong Beom Kim, Soon Bum Kwon, Heume Il Baek