Patents by Inventor Jaesul An
Jaesul 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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Publication number: 20230389394Abstract: A display apparatus includes a substrate including a central area and a corner area including a plurality of extension areas, each of which has a shape extending in a direction away from the central area, and a plurality of ferromagnetic layers disposed in the plurality of extension areas and having a shape extending in the direction away from the central area.Type: ApplicationFiled: March 22, 2023Publication date: November 30, 2023Inventors: Jaesul AN, Sangwon LEE
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Publication number: 20230380244Abstract: A display apparatus includes a substrate including a first area, a second area, and a third area. The first area faces a first direction. The second area extends from the first area and faces a second direction different from the first direction. The third area is disposed between the first area and the second area. A display element is arranged in the first area. A bending-protecting layer is arranged in the third area and is disposed outside of the first area. A thickness of the substrate in the third area is less than a thickness of the substrate in the first area.Type: ApplicationFiled: April 6, 2023Publication date: November 23, 2023Inventors: Jaesul AN, Byunghoon KIM, Youngdo KIM, Hyukhwan KIM, Aely OH, Hyunseok OH, Kangwoo LEE
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Patent number: 10705379Abstract: An LCD device having light weight, slimness, and high luminance, includes: a display panel; a light source providing a light to the display panel; and a light guide plate including an upper surface facing the display panel, an opposing lower surface, a light incidence surface facing the light source, and a light opposing surface opposing the light incidence surface, the light guide plate including a prism area and a non-prism area on the lower surface. The light guide plate further includes a plurality of prisms arranged at the prism area along a first direction which is perpendicular to the light incidence surface, a linear portion disposed at the non-prism area and extending from the plurality of prisms, a first resin layer on the linear portion, and a second resin layer on the first resin layer, wherein the first resin layer is thinner than the second resin layer.Type: GrantFiled: May 3, 2018Date of Patent: July 7, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jiwon Lee, Seungbeom Park, Jaesul An, Juyoung Yoon
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Publication number: 20190086728Abstract: An LCD device having light weight, slimness, and high luminance, includes: a display panel; a light source providing a light to the display panel; and a light guide plate including an upper surface facing the display panel, an opposing lower surface, a light incidence surface facing the light source, and a light opposing surface opposing the light incidence surface, the light guide plate including a prism area and a non-prism area on the lower surface. The light guide plate further includes a plurality of prisms arranged at the prism area along a first direction which is perpendicular to the light incidence surface, a linear portion disposed at the non-prism area and extending from the plurality of prisms, a first resin layer on the linear portion, and a second resin layer on the first resin layer, wherein the first resin layer is thinner than the second resin layer.Type: ApplicationFiled: May 3, 2018Publication date: March 21, 2019Inventors: Jiwon Lee, Seungbeom Park, Jaesul An, Juyoung Yoon
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Patent number: 10165678Abstract: A display apparatus includes a display panel which displays an image with light and a backlight unit which provides the light to the display panel. The backlight unit includes a first light source, a second light source and a circuit board. The circuit board includes in a top plan view, a first edge lengthwise extending parallel to a first direction and a second edge lengthwise extending parallel to a second direction crossing the first direction, and a sidewall portion extending from the bottom portion. In a third direction crossing the first and second directions, the sidewall portion includes first and second sidewall portions respectively extending from the first and second edges, and on which the first and second light sources are mounted.Type: GrantFiled: March 6, 2017Date of Patent: December 25, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsu Jung, Dong-wook Kim, Jaesul An
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Patent number: 10158048Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.Type: GrantFiled: July 19, 2017Date of Patent: December 18, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngchun Kim, Myeong-ju Shin, Seokhyun Nam, Jaesul An
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Publication number: 20180092207Abstract: A display apparatus includes a display panel which displays an image with light and a backlight unit which provides the light to the display panel. The backlight unit includes a first light source, a second light source and a circuit board. The circuit board includes in a top plan view, a first edge lengthwise extending parallel to a first direction and a second edge lengthwise extending parallel to a second direction crossing the first direction, and a sidewall portion extending from the bottom portion. In a third direction crossing the first and second directions, the sidewall portion includes first and second sidewall portions respectively extending from the first and second edges, and on which the first and second light sources are mounted.Type: ApplicationFiled: March 6, 2017Publication date: March 29, 2018Inventors: Minsu JUNG, Dong-wook KIM, Jaesul AN
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Publication number: 20170317241Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.Type: ApplicationFiled: July 19, 2017Publication date: November 2, 2017Inventors: Youngchun KIM, Myeong-ju SHIN, Seokhyun NAM, Jaesul AN
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Patent number: 9741904Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.Type: GrantFiled: December 4, 2015Date of Patent: August 22, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngchun Kim, Myeong-ju Shin, Seokhyun Nam, Jaesul An
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Publication number: 20160293803Abstract: A light emitting device includes a light emitting chip which generates a first light having a first color, a first cavity layer disposed on the light emitting chip and which generates a second light having a second color and has a first refractive index, a second cavity layer disposed on the first cavity layer and which generates a third light having a third color and has a second refractive index, a first half mirror layer disposed between the first cavity layer and the light emitting chip and which reflects at least a portion of the second light, a second half mirror layer disposed between the first cavity layer and the second cavity layer and which reflects at least a portion of the third light, and a third half mirror layer disposed on the second cavity layer and which transmits the first light.Type: ApplicationFiled: December 4, 2015Publication date: October 6, 2016Inventors: Youngchun KIM, Myeong-ju SHIN, Seokhyun NAM, Jaesul AN
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Patent number: 7901651Abstract: Provided are a method of preparing a zinc silicate-based phosphor and a zinc silicate-based phosphor prepared using the method. The method includes: (a) preparing a solution including a Zn precursor compound and a Si precursor compound; (b) adding a coprecipitant to the solution to form precipitation; and (c) heat treating the solution in which the precipitation is formed to synthesize zinc silicate (Zn2SiO4), wherein a solvent of the solution including the Zn precursor compound and the Si precursor compound includes at least one selected from the group consisting of ethanol, methanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 1-pentanol, 2-pentanol, 3-pentanol, 1-hexanol, and 1-heptanol, and hydrazine is used as the coprecipitant.Type: GrantFiled: October 23, 2008Date of Patent: March 8, 2011Assignees: Samsung SDI Co., Ltd., Seoul National University Industry FoundationInventors: Kugsun Hong, Soonjae Kwon, Hyunsik Kim, Sooyeon Seo, Junhong Noh, Heesuk Roh, Jaesul An
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Publication number: 20090285742Abstract: Provided are a method of preparing a zinc silicate-based phosphor and a zinc silicate-based phosphor prepared using the method. The method includes: (a) preparing a solution including a Zn precursor compound and a Si precursor compound; (b) adding a coprecipitant to the solution to form precipitation; and (c) heat treating the solution in which the precipitation is formed to synthesize zinc silicate (Zn2SiO4), wherein a solvent of the solution including the Zn precursor compound and the Si precursor compound includes at least one selected from the group consisting of ethanol, methanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 1-pentanol, 2-pentanol, 3-pentanol, 1-hexanol, and 1-heptanol, and hydrazine is used as the coprecipitant.Type: ApplicationFiled: October 23, 2008Publication date: November 19, 2009Inventors: Kugsun Hong, Soonjae Kwon, Hyunsik Kim, Sooyeon Seo, Junhong Noh, Heesuk Roh, Jaesul An