Patents by Inventor Ji Hyun Hwang
Ji Hyun Hwang 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: 12315536Abstract: A content providing method performed by a computing device is provided. The content providing method includes: obtaining preview information on a plurality of sections of target content, the preview information including a keyword group associated with content of a corresponding section, and providing the preview information on the plurality of sections together with the target content.Type: GrantFiled: June 26, 2023Date of Patent: May 27, 2025Assignee: SAMSUNG SDS CO., LTD.Inventors: Ji Hyun Hwang, Seung Hyun Yoon, Mi Suk Park, Ye Ji Kim, Hui Yeon Yang
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Patent number: 11994652Abstract: A polarizing plate and an optical display including the same are provided. The polarizing plate is composed of a display region and a non-display region surrounding the display region, and includes: a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on an upper surface of the polarizer. A light shielding layer includes a UV absorbent material and is embedded in the bonding layer to constitute at least a portion of the non-display region. The light shielding layer is formed on at least one surface of the first polarizer protective film.Type: GrantFiled: November 29, 2018Date of Patent: May 28, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Ji Hyun Hwang, Yoo Jin Kim, Jin Woo Kim, Dong Yoon Shin, Bae Wook Lee, Sung Man Cho
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Publication number: 20240012556Abstract: A method for displaying content performed by a computing device is provided. The method includes: displaying a detailed view indicator on an area of first content that is viewed in detail among a plurality of contents displayed on a screen, and displaying the first content in a detailed view mode in response to a user's drag input to the area of the first content.Type: ApplicationFiled: June 26, 2023Publication date: January 11, 2024Applicant: SAMSUNG SDS CO., LTD.Inventors: Seung Hyun YOON, Ji Hyun Hwang, Mi Suk Park, Ye Ji Kim, Hui Yeon Yang
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Publication number: 20240013813Abstract: A content providing method performed by a computing device is provided. The content providing method includes: obtaining preview information on a plurality of sections of target content, the preview information including a keyword group associated with content of a corresponding section, and providing the preview information on the plurality of sections together with the target content.Type: ApplicationFiled: June 26, 2023Publication date: January 11, 2024Applicant: SAMSUNG SDS CO., LTD.Inventors: Ji Hyun Hwang, Seung Hyun Yoon, Mi Suk Park, Ye Ji Kim, Hui Yeon Yang
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Patent number: 11428969Abstract: An optical display includes an optical display element including a second substrate, a first substrate facing the second substrate, a dummy region and a metal interconnection layer thereon. A first polarizing plate on an upper surface of the optical display element has a light shielding layer therein including printed patterns separated from each other. A first printed layer includes a first point at an interface between the display and non-display regions and a second point at a vertex closest to the first point. A second printed layer includes a third point at the interface and a fourth point at a vertex closes to the third point. The light shielding layer satisfies H?P/2, where H is a minimum value among a distance from the interface to the second point and a distance from the interface to the fourth point, and P is a width of the dummy region.Type: GrantFiled: November 29, 2018Date of Patent: August 30, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Jin Woo Kim, Yoo Jin Kim, Dong Yoon Shin, Bae Wook Lee, Ji Hyun Hwang
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Patent number: 11280945Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes a display region and a non-display region surrounding the display region and includes: a polarizer; and a bonding layer, a first polarizer protective film, and a functional coating layer sequentially stacked on a surface of the polarizer. The bonding layer includes a printed layer therein to correspond to the non-display region. The polarizing plate has a haze of about 0.1% to about 5% as measured on the functional coating layer and a reflectance difference of about 2.4% or less between the display region and the non-display region, or the polarizing plate has a haze of about 20% to about 40% as measured on the functional coating layer and a reflectance difference of about 1.5% or less between the display region and the non-display region.Type: GrantFiled: July 12, 2018Date of Patent: March 22, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Ji Hyun Hwang, Jin Woo Kim, Dong Yoon Shin
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Patent number: 10991646Abstract: A flexible circuit board for a display, having a chip-on-film structure, is disclosed. A connection pattern which is selected as a first connection pattern among connection patterns connected to panel contact pads does not reach a cutting line and is confined within a product region. As a consequence, the connection pattern selected as the first connection pattern may be prevented from being exposed on a cutting section along the cutting line, and thus, may be prevented from being changed in its electrical property due to penetration of moisture.Type: GrantFiled: February 14, 2018Date of Patent: April 27, 2021Assignee: Silicon Works Co., Ltd.Inventors: Kyung Jik Min, Ju Young Shin, Ji Hyun Hwang, Jung Bae Yun
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Patent number: 10908337Abstract: A polarizing plate and an optical display comprising the same. The polarizing plate includes a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on a lower surface of the polarizer, wherein the first polarizer protective film includes a light shielding layer formed in at least some region on an upper surface thereof and the light shielding layer is composed of at least one printed pattern, the printed pattern being composed of a single printed layer or multiple printed layers and having a first plane formed at a top portion thereof and an inclined angle ? of greater than about 0° to about 85° or less, the inclined angle being defined between the first polarizer protective film and an imaginary line I-II connecting one distal end point I of the first plane at the top portion of the printed pattern to a point II disposed on an outer peripheral surface of the printed pattern adjoining the first polarizer protective film and closest to the distal end point I.Type: GrantFiled: November 29, 2018Date of Patent: February 2, 2021Assignee: Samsung SDI Co., Ltd.Inventors: Yoo Jin Kim, Jin Woo Kim, Dong Yoon Shin, Bae Wook Lee, Sung Man Cho, Ji Hyun Hwang
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Metal-semiconductor-metal two-dimensional electron gas varactor and method of manufacturing the same
Patent number: 10700667Abstract: Disclosed are a metal-semiconductor-metal two-dimensional electron gas varactor (MSM-2DEG) and a method of manufacturing the same. There is provided an MSM-2DEG varactor having an asymmetric structure, which includes a first gate formed on a semiconductor layer, and a second gate spaced apart at a predetermined distance from the first gate and formed on the semiconductor layer, wherein the first gate and the second gate are different in shape and gate length.Type: GrantFiled: November 30, 2017Date of Patent: June 30, 2020Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Jae Hyung Jang, Ji Hyun Hwang -
Patent number: 10684504Abstract: Provided is a liquid crystal display device comprising: a light source having a wide color reproduction range; a liquid crystal panel; and a polarizing plate arranged on the visible side of the liquid crystal panel, wherein the polarizing plate comprises a polarizer and a polarizer protecting film; the polarizer protecting film comprises a polyester base film having an in-plane phase difference of 8,000 nm or higher at a wavelength of 550 nm and a primer layer formed on at least one surface of the polyester base film; and a coating layer having a lower refractive index than the primer layer is additionally formed on a surface of the primer layer.Type: GrantFiled: June 22, 2017Date of Patent: June 16, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Jin Woo Kim, Yi Eun Kim, Min Jeong Park, Kwang Ho Shin, Ji Hyun Wi, Ji Hyun Hwang
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Patent number: 10627665Abstract: An optical display includes a display region and a non-display region. The optical display includes: an optical display element comprising a first substrate and a second substrate facing the first substrate, the second substrate having a metal interconnection layer thereon; and a first polarizing plate on an upper surface of the optical display element, wherein each of the first polarizing plate and the second substrate extends beyond the first substrate, the first polarizing plate includes a light shielding layer therein to conceal at least a portion of the metal interconnection layer, and the optical display further includes a securing member at a region surrounded by the first polarizing plate, the first substrate, and the second substrate.Type: GrantFiled: November 29, 2018Date of Patent: April 21, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Jin Woo Kim, Yoo Jin Kim, Dong Yoon Shin, Bae Wook Lee, Ji Hyun Hwang
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Publication number: 20200027824Abstract: A flexible circuit board for a display, having a chip-on-film structure, is disclosed. A connection pattern which is selected as a first connection pattern among connection patterns connected to panel contact pads does not reach a cutting line and is confined within a product region. As a consequence, the connection pattern selected as the first connection pattern may be prevented from being exposed on a cutting section along the cutting line, and thus, may be prevented from being changed in its electrical property due to penetration of moisture.Type: ApplicationFiled: February 14, 2018Publication date: January 23, 2020Applicant: SILICON WORKS CO., LTD.Inventors: Kyung Jik MIN, Ju Young SHIN, Ji Hyun HWANG, Jung Bae YUN
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Publication number: 20190204479Abstract: A polarizing plate and an optical display including the same are provided. The polarizing plate is composed of a display region and a non-display region surrounding the display region, and includes: a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on an upper surface of the polarizer. A light shielding layer includes a UV absorbent material and is embedded in the bonding layer to constitute at least a portion of the non-display region. The light shielding layer is formed on at least one surface of the first polarizer protective film.Type: ApplicationFiled: November 29, 2018Publication date: July 4, 2019Inventors: Ji Hyun HWANG, Yoo Jin KIM, Jin Woo KIM, Dong Yoon SHIN, Bae Wook LEE, Sung Man CHO
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Publication number: 20190204677Abstract: Provided is a liquid crystal display device comprising: a light source having a wide color reproduction range; a liquid crystal panel; and a polarizing plate arranged on the visible side of the liquid crystal panel, wherein the polarizing plate comprises a polarizer and a polarizer protecting film; the polarizer protecting film comprises a polyester base film having an in-plane phase difference of 8,000 nm or higher at a wavelength of 550 nm and a primer layer formed on at least one surface of the polyester base film; and a coating layer having a lower refractive index than the primer layer is additionally formed on a surface of the primer layer.Type: ApplicationFiled: June 22, 2017Publication date: July 4, 2019Inventors: Jin Woo KIM, Yi Eun KIM, Min Jeong PARK, Kwang Ho SHIN, Ji Hyun WI, Ji Hyun HWANG
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Publication number: 20190196249Abstract: An optical display includes an optical display element including a second substrate, a first substrate facing the second substrate, a dummy region and a metal interconnection layer thereon. A first polarizing plate on an upper surface of the optical display element has a light shielding layer therein including printed patterns separated from each other. A first printed layer includes a first point at an interface between the display and non-display regions and a second point at a vertex closest to the first point. A second printed layer includes a third point at the interface and a fourth point at a vertex closes to the third point. The light shielding layer satisfies H?P/2, where H is a minimum value among a distance from the interface to the second point and a distance from the interface to the fourth point, and P is a width of the dummy region.Type: ApplicationFiled: November 29, 2018Publication date: June 27, 2019Inventors: Jin Woo KIM, Yoo Jin KIM, Dong Yoon SHIN, Bae Wook LEE, Ji Hyun HWANG
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Publication number: 20190196256Abstract: An optical display includes a display region and a non-display region. The optical display includes: an optical display element comprising a first substrate and a second substrate facing the first substrate, the second substrate having a metal interconnection layer thereon; and a first polarizing plate on an upper surface of the optical display element, wherein each of the first polarizing plate and the second substrate extends beyond the first substrate, the first polarizing plate includes a light shielding layer therein to conceal at least a portion of the metal interconnection layer, and the optical display further includes a securing member at a region surrounded by the first polarizing plate, the first substrate, and the second substrate.Type: ApplicationFiled: November 29, 2018Publication date: June 27, 2019Inventors: Jin Woo KIM, Yoo Jin KIM, Dong Yoon SHIN, Bae Wook LEE, Ji Hyun HWANG
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Publication number: 20190196078Abstract: A polarizing plate and an optical display comprising the same. The polarizing plate includes a polarizer; and a bonding layer and a first polarizer protective film sequentially stacked on a lower surface of the polarizer, wherein the first polarizer protective film includes a light shielding layer formed in at least some region on an upper surface thereof and the light shielding layer is composed of at least one printed pattern, the printed pattern being composed of a single printed layer or multiple printed layers and having a first plane formed at a top portion thereof and an inclined angle ? of greater than about 0° to about 85° or less, the inclined angle being defined between the first polarizer protective film and an imaginary line I-II connecting one distal end point I of the first plane at the top portion of the printed pattern to a point II disposed on an outer peripheral surface of the printed pattern adjoining the first polarizer protective film and closest to the distal end point I.Type: ApplicationFiled: November 29, 2018Publication date: June 27, 2019Inventors: Yoo Jin Kim, Jin Woo Kim, Dong Yoon Shin, Bae Wook Lee, Sung Man Cho, Ji Hyun Hwang
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Publication number: 20190025486Abstract: A polarizing plate and an optical display including the same are provided. A polarizing plate includes a display region and a non-display region surrounding the display region and includes: a polarizer; and a bonding layer, a first polarizer protective film, and a functional coating layer sequentially stacked on a surface of the polarizer. The bonding layer includes a printed layer therein to correspond to the non-display region. The polarizing plate has a haze of about 0.1% to about 5% as measured on the functional coating layer and a reflectance difference of about 2.4% or less between the display region and the non-display region, or the polarizing plate has a haze of about 20% to about 40% as measured on the functional coating layer and a reflectance difference of about 1.5% or less between the display region and the non-display region.Type: ApplicationFiled: July 12, 2018Publication date: January 24, 2019Inventors: Ji Hyun Hwang, Jin Woo Kim, Dong Yoon Shin
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METAL-SEMICONDUCTOR-METAL TWO-DIMENSIONAL ELECTRON GAS VARACTOR AND METHOD OF MANUFACTURING THE SAME
Publication number: 20180241377Abstract: Disclosed are a metal-semiconductor-metal two-dimensional electron gas varactor (MSM-2DEG) and a method of manufacturing the same. There is provided an MSM-2DEG varactor having an asymmetric structure, which includes a first gate formed on a semiconductor layer, and a second gate spaced apart at a predetermined distance from the first gate and formed on the semiconductor layer, wherein the first gate and the second gate are different in shape and gate length.Type: ApplicationFiled: November 30, 2017Publication date: August 23, 2018Inventors: Jae Hyung JANG, Ji Hyun HWANG -
Patent number: 9375869Abstract: A rod-shaped FRP bar is manufactured with a fiber and a resin by using a nozzle 100 which includes an outer nozzle 11 having a penetration hole at its center and a plurality of middle nozzles 12 disposed at an inlet of the outer nozzle 11 so that one middle nozzle is located inside another middle nozzle with an interval. Fibers are supplied through a center hole of the middle nozzle located at an innermost location, through intervals between the middle nozzles and through intervals between the middle nozzles and the outer nozzle, thereby making a hybrid FRP bar 1 having a section in which the fibers configure a plurality of fiber distribution layers from the center of the FRP bar toward the outside.Type: GrantFiled: August 22, 2014Date of Patent: June 28, 2016Assignee: KOREA INSTITUTE OF CONSTRUCTION TECHNOLOGYInventors: Ki Tae Park, Hyeong Yeol Kim, Young Jun You, Sang Yoon Lee, Dong Woo Seo, Tae Heon Kim, Ji Hyun Hwang