Patents by Inventor Hee-sung Yang
Hee-sung Yang 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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Publication number: 20220246702Abstract: A display device includes: a substrate; a first signal line and a second signal line disposed on the substrate; and an interlayer-insulating layer disposed between the first signal line and the second signal line. The interlayer-insulating layer includes a first portion and a second portion having different heights measured from a surface of the substrate along a first direction that is perpendicular to the surface of the substrate, an upper surface of the first portion of the interlayer-insulating layer is flat, a surface of the second portion of the interlayer-insulating layer is flat, a height of the first portion is lower than a height of the second portion, the interlayer-insulating layer defines a contact hole, and the contact hole is disposed in the first portion of the interlayer-insulating layer.Type: ApplicationFiled: October 26, 2021Publication date: August 4, 2022Inventors: Byoung Kwon Choo, Seung Bae Kang, Hee Sung Yang, Bong Gu Kang, Tae Wook Kang, Woo Jin Cho
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Publication number: 20220199694Abstract: A method of fabricating a display device includes: preparing a substrate including emission areas and a non-emission area between the emission areas; forming a bank on the non-emission area to a first height; forming light conversion patterns on the emission areas to a height equal to or less than the first height; polishing a surface of a light conversion layer including the bank and the light conversion patterns so that the surface of the light conversion layer is flat; and forming a filler layer on a surface of the substrate on which the light conversion layer is provided. The polishing of the light conversion layer includes planarizing the surface of the light conversion layer so that the bank and the light conversion patterns have a second height through chemical mechanical polishing utilizing a metallic slurry.Type: ApplicationFiled: December 15, 2021Publication date: June 23, 2022Inventors: Joon Hwa BAE, Bong Gu KANG, Woo Jin CHO, Seung Bae KANG, Hee Sung YANG, Byoung Kwon CHOO
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Publication number: 20220114397Abstract: An apparatus for evaluating the performance of a deep learning model according to an embodiment may include an image processor configured to generate N (N?2) different second image data through data augmentation of first image data that is not labeled and transmit the generated second image data to a deep learning model, and an analyzer configured to analyze whether the deep learning model has output a correct answer by receiving N output data obtained by predicting each of the N second image data into a specific class from the deep learning model.Type: ApplicationFiled: October 26, 2020Publication date: April 14, 2022Inventors: Hee Sung YANG, Joong Bae JEON, Ju Ree SEOK
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Publication number: 20220077260Abstract: A display device according to an embodiment includes: a substrate; a transistor that is disposed on the substrate; a light emitting diode that is disposed on the substrate, and connected to the transistor; and a passivation layer that is disposed between the transistor and the light emitting diode, wherein a surface step of the passivation layer is within a range of and including 1 nm to 30 nm.Type: ApplicationFiled: May 27, 2021Publication date: March 10, 2022Inventors: Byoung Kwon CHOO, Seung Bae KANG, Bong Gu KANG, Tae Joon KIM, Jeong Min PARK, Joon-Hwa BAE, Hee Sung YANG, Woo Jin CHO
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Patent number: 11200694Abstract: An apparatus for extracting object information according to one embodiment includes: a padding image generator for generating a padding image including an original image; a partial image acquirer for acquiring a plurality of partial images of the padding image; an object classification result acquirer for acquiring an object classification result for each of the plurality of partial images using an object classification model; a confidence map generator for generating a confidence map having a size the same as that of the padding image and including a confidence value on the basis of the object classification result; and an object information acquirer for acquiring information on an object in the padding image on the basis of the confidence map.Type: GrantFiled: October 28, 2019Date of Patent: December 14, 2021Assignee: SAMSUNG SDS CO., LTD.Inventors: Hee-Sung Yang, Seong-Ho Jo, Joong-Bae Jeon, Do-Young Park
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Patent number: 11132978Abstract: A gamma correction circuit includes an input circuit configured to sequentially receive gamma control signals used for selecting gamma tap points from a control circuit through a single transmission line, and to output the received gamma control signals, and a voltage generator configured to select the gamma tap points based on the gamma control signals, and to generate gamma voltages according to the gamma tap points.Type: GrantFiled: March 27, 2020Date of Patent: September 28, 2021Assignee: MagnaChip Semiconductor, Ltd.Inventors: Myung Woo Lee, Hee Sung Yang
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Publication number: 20200394981Abstract: A gamma correction circuit includes an input circuit configured to sequentially receive gamma control signals used for selecting gamma tap points from a control circuit through a single transmission line, and to output the received gamma control signals, and a voltage generator configured to select the gamma tap points based on the gamma control signals, and to generate gamma voltages according to the gamma tap points.Type: ApplicationFiled: March 27, 2020Publication date: December 17, 2020Applicant: Magnachip Semiconductor, Ltd.Inventors: Myung Woo LEE, Hee Sung YANG
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Patent number: 10671718Abstract: A system and method for authentication are provided. The system for authentication according to one embodiment of the present disclosure includes: a service server configured to: receive a first authentication request message from an authentication server and convert a random number included in the first authentication request message into an optical code; a first user terminal configured to receive the optical code from the service server and display the optical code; and a second user terminal configured to: recognize the random number by capturing an image of the displayed optical code in response to receiving a second authentication request message from the service server and authenticate a user by using the random number, the second authentication request message, and biometric information of the user.Type: GrantFiled: May 25, 2018Date of Patent: June 2, 2020Assignee: SAMSUNG SDS CO., LTD.Inventors: Hyun-Chul Park, Jae-Hyuk Cho, Hee-Sung Yang, Hyun-Bea Shin
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Patent number: 10673843Abstract: Provided is an authentication service system and authentication service method. According to embodiments of the present disclosure, when a plurality of authentication processes are performed using different authentication factors, an access token is issued based on an authentication factor used in a previous authentication process; and a subsequent authentication process is performed according to validity of the access token issued in the previous authentication process.Type: GrantFiled: May 29, 2018Date of Patent: June 2, 2020Assignee: SAMSUNG SDS CO., LTD.Inventors: Jae-Hyuk Cho, Hee-Sung Yang, Hyun-Bea Shin, Hyun-chul Park
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Publication number: 20200134858Abstract: An apparatus for extracting object information according to one embodiment includes: a padding image generator for generating a padding image including an original image; a partial image acquirer for acquiring a plurality of partial images of the padding image; an object classification result acquirer for acquiring an object classification result for each of the plurality of partial images using an object classification model; a confidence map generator for generating a confidence map having a size the same as that of the padding image and including a confidence value on the basis of the object classification result; and an object information acquirer for acquiring information on an object in the padding image on the basis of the confidence map.Type: ApplicationFiled: October 28, 2019Publication date: April 30, 2020Inventors: Hee-Sung Yang, Seong-Ho Jo, Joong-Bae Jeon, Do-Young Park
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Patent number: 10613370Abstract: There is provided a display device. The display device includes a first substrate, a second substrate that faces the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. One of the first substrate and the second substrate includes a base substrate and a light blocking pattern disposed on a surface that faces the other surface of both surfaces of the base substrate, the light blocking pattern exposing a part of the base substrate. The light blocking pattern includes a semi-transmission reflective layer a disposed on the base substrate, a phase matching layer disposed on the semi-transmission reflective layer, and a reflective metal layer disposed on the phase matching layer. The phase matching layer and the reflective metal layer include materials having substantially the same etching rate.Type: GrantFiled: June 16, 2017Date of Patent: April 7, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jong Hyun Choung, Hong Sick Park, Seung Bae Kang, Ki Tae Kim, Joon Woo Bae, Hee Sung Yang
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Patent number: 10478983Abstract: A double-edged razor blade including: a first unit blade having a first cutting edge; a second unit blade having a second cutting edge; a first connecting portion connecting one side of the first unit blade with one side of the second unit blade; a second connecting portion connecting the other side of the first unit blade with the other side of the second unit blade; a pair of first notches forming a boundary between the first unit blade and the first and the second connecting portions, and guiding breakage of the first unit blade; and a pair of second notches forming a boundary between the second unit blade and the first and the second connecting portions, guiding breakage of the second unit blade.Type: GrantFiled: March 12, 2018Date of Patent: November 19, 2019Assignee: DORCO CO,. LTD.Inventors: Hee Sung Yang, Jae Young Lee, Hyun Ju Lee
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Publication number: 20180351944Abstract: Provided is an authentication service system and authentication service method. According to embodiments of the present disclosure, when a plurality of authentication processes are performed using different authentication factors, an access token is issued based on an authentication factor used in a previous authentication process; and a subsequent authentication process is performed according to validity of the access token issued in the previous authentication process.Type: ApplicationFiled: May 29, 2018Publication date: December 6, 2018Applicant: SAMSUNG SDS CO., LTD.Inventors: Jae-Hyuk CHO, Hee-Sung YANG, Hyun-Bea SHIN, Hyun-chul PARK
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Publication number: 20180341763Abstract: A system and method for authentication are provided. The system for authentication according to one embodiment of the present disclosure includes: a service server configured to: receive a first authentication request message from an authentication server and convert a random number included in the first authentication request message into an optical code; a first user terminal configured to receive the optical code from the service server and display the optical code; and a second user terminal configured to: recognize the random number by capturing an image of the displayed optical code in response to receiving a second authentication request message from the service server and authenticate a user by using the random number, the second authentication request message, and biometric information of the user.Type: ApplicationFiled: May 25, 2018Publication date: November 29, 2018Applicant: SAMSUNG SDS CO., LTD.Inventors: Hyun-Chul PARK, Jae-Hyuk CHO, Hee-Sung YANG, Hyun-Bea SHIN
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Patent number: 10069044Abstract: There are provided a microcapsular quantum dot-polymer composite, a method for producing the composite, optical elements, and a method for producing the optical elements. In order to produce the microcapsular quantum dot-polymer composite, a polymer having a functional group in the side chain is firstly heated in a first solvent to form a polymer solution. A quantum dot suspension consisting of quantum dots capped by a capping layer dispersed in a second solvent is added to the polymer solution to form a mixed solution. The mixed solution is cooled to form the quantum dot-polymer composite consisting of the quantum dots dispersed in the polymer matrix.Type: GrantFiled: March 15, 2013Date of Patent: September 4, 2018Assignee: INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVInventors: Young Soo Seo, Hee Sung Yang, Sang Yul Park, Hye Mi Son, Hyo Sun Kim
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Publication number: 20180200902Abstract: A double-edged razor blade, comprising: a first unit blade having a first cutting edge; a second unit blade having a second cutting edge; a first connecting portion connecting one side of the first unit blade with one side of the second unit blade; a second connecting portion connecting the other side of the first unit blade with the other side of the second unit blade; a pair of first notches forming a boundary between the first unit blade and the first and the second connecting portions, and guiding breakage of the first unit blade; and a pair of second notches forming a boundary between the second unit blade and the first and the second connecting portions, guiding breakage of the second unit blade.Type: ApplicationFiled: March 12, 2018Publication date: July 19, 2018Applicant: DORCO CO,. LTD.Inventors: Hee Sung YANG, Jae Young LEE, Hyun Ju LEE
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Publication number: 20180157098Abstract: There is provided a display device. The display device includes a first substrate, a second substrate that faces the first substrate, and a liquid crystal layer disposed between the first substrate and the second substrate. One of the first substrate and the second substrate includes a base substrate and a light blocking pattern disposed on a surface that faces the other surface of both surfaces of the base substrate, the light blocking pattern exposing a part of the base substrate. The light blocking pattern includes a semi-transmission reflective layer a disposed on the base substrate, a phase matching layer disposed on the semi-transmission reflective layer, and a reflective metal layer disposed on the phase matching layer. The phase matching layer and the reflective metal layer include materials having substantially the same etching rate.Type: ApplicationFiled: June 16, 2017Publication date: June 7, 2018Inventors: Jong Hyun CHOUNG, Hong Sick PARK, Seung Bae KANG, Ki Tae KIM, Joon Woo BAE, Hee Sung YANG
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Patent number: 9371765Abstract: The present invention relates to a metal filter for purifying the exhaust gas from a ship, and a preparation method thereof. The purpose of the present invention is to provide: a metal filter for purifying the exhaust gas from a ship, capable of reducing nitrogen oxide by 85% or more at 250-300° C.; and a preparation method thereof. The metal filter for removing nitrogen oxide contained in the exhaust gas from a ship of the present invention comprises an integrated catalyst, wherein a metal substrate comprising irregularities is coated with a low temperature active catalyst in which vanadium (V), tungsten (W) and alumina sol are supported in a Ti-pillared clay (Ti-PILC) powdered support.Type: GrantFiled: March 22, 2013Date of Patent: June 21, 2016Assignees: HYUNDAI HEAVY INDUSTRIES CO., LTD., HYUNDAI BNGSTEEL CO., LTD., E&D CO., LTD.Inventors: Hee-Sung Yang, Joon-Ho Ko, Chan-Do Park, Seok-Lyong Song, Jae-Woo Lee, Sung-Young Lee, Jai-Hyun Park, Kyoung-Jae Kim, Seung-Han Han, Young-Jin Cho, Tae-Min Kim, Ju-Yong Jung
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Publication number: 20160027796Abstract: According to example embodiments, a semiconductor device includes a substrate, a plurality of word lines spaced apart from each other in a first direction on the substrate, a channel layer in a channel hole defined by the plurality of word lines, a gate insulating layer in the channel hole along an inner wall of the channel hole; and a self-aligned contact on an upper portion of the channel layer in the channel hole. The gate insulating layer is between the plurality of word lines and the channel layer. The first direction is perpendicular to an upper surface of the substrate. The channel hole exposes the upper surface of the substrate.Type: ApplicationFiled: March 12, 2015Publication date: January 28, 2016Inventors: Hyung-mo YANG, Sang-in KIM, Hae-na KIM, Seung-min SON, Hee-sung YANG, Sang-min HAN
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Publication number: 20150072092Abstract: There are provided a microcapsular quantum dot-polymer composite, a method for producing the composite, optical elements, and a method for producing the optical elements. In order to produce the microcapsular quantum dot-polymer composite, a polymer having a functional group in the side chain is firstly heated in a first solvent to form a polymer solution. A quantum dot suspension consisting of quantum dots capped by a capping layer dispersed in a second solvent is added to the polymer solution to form a mixed solution. The mixed solution is cooled to form the quantum dot-polymer composite consisting of the quantum dots dispersed in the polymer matrix.Type: ApplicationFiled: March 15, 2013Publication date: March 12, 2015Inventors: Young Soo Seo, Hee Sung Yang, Sang Yul Park, Hye Mi Son, Hyo Sun Kim