Patents by Inventor Sung-Kyu Shim
Sung-Kyu Shim 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: 11948752Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.Type: GrantFiled: December 21, 2022Date of Patent: April 2, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Hyung Kang, Jong Hyun Cho, Ji Hong Jo, Hang Kyu Cho, Jae Shik Shim, Yong In Kim, Sang Roc Lee
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Patent number: 11231622Abstract: An optical film includes a first pattern layer including a base part and a plurality of protruding parts disposed on the base part, and having a first refractive index, and a second pattern layer disposed on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protruding parts includes a bottom surface adjacent to the base part, an upper surface opposite to the bottom surface and parallel to the bottom surface, and a side surface disposed between the bottom surface and the upper surface. The side surface includes three or more sub-inclined surfaces, inclination angles of which are different from each other, or includes a curved surface which is convex in a direction of the second pattern layer.Type: GrantFiled: August 27, 2020Date of Patent: January 25, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Kyu Shim, Seong-Yong Hwang, Dohun Kim, Jonghwan Kim, Juyoun Son, Young-keun Lee, Seoungbum Pyoun
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Patent number: 11215864Abstract: An optical film includes a first pattern layer including a base part and protrusion part groups on the base part and having a first refractive index, and a second pattern layer on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protrusion part groups includes first and second protrusion parts adjacent to each other. Each of the first and second protrusion parts includes a bottom surface, an upper surface, a first side surface and a second side surface. The first and second protrusion parts are symmetrical with respect to a reference line passing through a center of each of the protrusion part groups and perpendicular to the base part. The first and second protrusion parts are asymmetrical with respect to a center line passing through a center of the upper surface and perpendicular to the bottom surface.Type: GrantFiled: August 10, 2020Date of Patent: January 4, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jonghwan Kim, Seong-Yong Hwang, Kyung-Min Kim, Sung-Kyu Shim
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Patent number: 11156877Abstract: A method of manufacturing a display panel includes providing a mother substrate in which a plurality of display cell areas is defined from which the display panel will be formed, the display cell areas arranged in along first and directions and each include a display unit cell corresponding to the display panel, and a dummy area extended along the second direction from the display unit cell dividing the mother substrate into the display unit cells each having the dummy area extended therefrom, by performing a wheel cutting process; separating the dummy area from the divided display unit cell by performing a laser cutting process; and curving the display unit cell from which the dummy area is separated, with reference to a reference axis which is parallel to the second direction, to form the display panel.Type: GrantFiled: August 31, 2018Date of Patent: October 26, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Su-mi Moon, Jooyoung Kim, Yongdoo Park, Sung-kyu Shim
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Patent number: 11092734Abstract: An optical member and a display device including the same. The optical member includes a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.Type: GrantFiled: June 22, 2020Date of Patent: August 17, 2021Assignee: Samsung Display Co., Ltd.Inventors: Seong Yong Hwang, Young Min Park, Ju Young Yoon, Sung Kyu Shim, Sang Won Lee
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Publication number: 20210132422Abstract: An optical film includes a first pattern layer including a base part and protrusion part groups on the base part and having a first refractive index, and a second pattern layer on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protrusion part groups includes first and second protrusion parts adjacent to each other. Each of the first and second protrusion parts includes a bottom surface, an upper surface, a first side surface and a second side surface. The first and second protrusion parts are symmetrical with respect to a reference line passing through a center of each of the protrusion part groups and perpendicular to the base part. The first and second protrusion parts are asymmetrical with respect to a center line passing through a center of the upper surface and perpendicular to the bottom surface.Type: ApplicationFiled: August 10, 2020Publication date: May 6, 2021Inventors: JONGHWAN KIM, Seong-Yong HWANG, Kyung-Min KIM, Sung-Kyu SHIM
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Publication number: 20210132447Abstract: An optical film includes a first pattern layer including a base part and a plurality of protruding parts disposed on the base part, and having a first refractive index, and a second pattern layer disposed on the first pattern layer and having a second refractive index greater than the first refractive index. Each of the protruding parts includes a bottom surface adjacent to the base part, an upper surface opposite to the bottom surface and parallel to the bottom surface, and a side surface disposed between the bottom surface and the upper surface. The side surface includes three or more sub-inclined surfaces, inclination angles of which are different from each other, or includes a curved surface which is convex in a direction of the second pattern layer.Type: ApplicationFiled: August 27, 2020Publication date: May 6, 2021Inventors: Sung-Kyu SHIM, Seong-Yong HWANG, Dohun KIM, Jonghwan KIM, Juyoun SON, Young-keun LEE, SEOUNGBUM PYOUN
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Patent number: 10908457Abstract: An optical member and display device, the optical member including a diffuser plate, a wavelength conversion layer disposed on a top surface of the diffuser plate, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer on at least one side thereof, and a diffusing pattern layer disposed on and in direct contact with a bottom surface of the diffuser plate and containing diffusion particles.Type: GrantFiled: July 31, 2018Date of Patent: February 2, 2021Assignee: Samsung Display Co., Ltd.Inventors: Sang Won Lee, Sung Kyu Shim, Seong Yong Hwang
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Publication number: 20200319394Abstract: An optical member and a display device including the same. The optical member includes a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.Type: ApplicationFiled: June 22, 2020Publication date: October 8, 2020Inventors: Seong Yong HWANG, Young Min Park, Ju Young Yoon, Sung Kyu Shim, Sang Won Lee
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Patent number: 10690835Abstract: An optical member and a display device including the same. The optical member includes a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.Type: GrantFiled: July 3, 2019Date of Patent: June 23, 2020Assignee: Samsung Display Co., Ltd.Inventors: Seong Yong Hwang, Young Min Park, Ju Young Yoon, Sung Kyu Shim, Sang Won Lee
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Publication number: 20200132908Abstract: A backlight unit includes a light guide plate, a low refractive layer disposed on the light guide plate, an optical conversion layer disposed on the low refractive layer, a light source adjacent to a side surface of the light guide plate, and a plurality of optical patterns disposed under the light guide plate, extending in a first direction intersecting the side surface, and disposed in a second direction intersecting the first direction. When viewed a plan view in the first direction, each of the optical patterns have a quadrilateral shape.Type: ApplicationFiled: July 29, 2019Publication date: April 30, 2020Inventors: Byung-seo YOON, Seong-yong HWANG, Jonghwan KIM, Sung-kyu SHIM
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Patent number: 10551030Abstract: Disclosed is a display device that can uniformly transmit light emitted from a light source to the entire display panel without using a light guide plate. The display device includes a display panel, a backlight assembly supplying light to the display panel, and a lower cover receiving the backlight assembly. The backlight assembly includes a light source, a circuit board mounted with the light source, and a reflection cover coupled to the circuit board to reflect light emitted from the light source and formed of a bendable plate type member.Type: GrantFiled: August 9, 2017Date of Patent: February 4, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kyung-Min Kim, Sung-Kyu Shim, Yong-Hoon Kwon, Do Hun Kim, Dong Hyeon Lee, Seung Hwan Chung, Seung-Hwa Ha, Se Ki Park, Seong-Yong Hwang, You Ra Kim
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Patent number: 10545278Abstract: An optical member includes a light guide plate in which light incident thereto is propagated, including: an emission surface through which propagated light exits the light guide plate, a light incident side surface through which the light is incident to the light guide plate, and an inclined edge surface connecting the emission and light incident side surfaces to each other; and a wavelength conversion layer to which exited light from the light guide plate is incident and which converts a wavelength of the exited light, disposed facing the emission surface of the light guide plate. The inclined edge surface and emission surfaces define a boundary therebetween, and a side surface of the wavelength conversion layer which is closest to the light incident side surface is further from the light incident side surface than the boundary between the inclined edge surface and the emission surface.Type: GrantFiled: September 10, 2018Date of Patent: January 28, 2020Assignee: SAMSUNG DISPLAY CO. LTD.Inventors: Sang Won Lee, Seong Yong Hwang, Hye Eun Park, Sung Kyu Shim
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Publication number: 20190324187Abstract: An optical member and a display device including the same. The optical member includes a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.Type: ApplicationFiled: July 3, 2019Publication date: October 24, 2019Inventors: Seong Yong HWANG, Young Min PARK, Ju Young YOON, Sung Kyu SHIM, Sang Won LEE
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Patent number: 10371881Abstract: An optical member including a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.Type: GrantFiled: August 24, 2018Date of Patent: August 6, 2019Assignee: Samsung Display Co., Ltd.Inventors: Seong Yong Hwang, Young Min Park, Ju Young Yoon, Sung Kyu Shim, Sang Won Lee
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Publication number: 20190163018Abstract: An optical member and display device, the optical member including a diffuser plate, a wavelength conversion layer disposed on a top surface of the diffuser plate, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer on at least one side thereof, and a diffusing pattern layer disposed on and in direct contact with a bottom surface of the diffuser plate and containing diffusion particles.Type: ApplicationFiled: July 31, 2018Publication date: May 30, 2019Inventors: Sang Won LEE, Sung Kyu SHIM, Seong Yong HWANG
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Publication number: 20190154901Abstract: An optical member includes a light guide plate in which light incident thereto is propagated, including: an emission surface through which propagated light exits the light guide plate, a light incident side surface through which the light is incident to the light guide plate, and an inclined edge surface connecting the emission and light incident side surfaces to each other; and a wavelength conversion layer to which exited light from the light guide plate is incident and which converts a wavelength of the exited light, disposed facing the emission surface of the light guide plate. The inclined edge surface and emission surfaces define a boundary therebetween, and a side surface of the wavelength conversion layer which is closest to the light incident side surface is further from the light incident side surface than the boundary between the inclined edge surface and the emission surface.Type: ApplicationFiled: September 10, 2018Publication date: May 23, 2019Inventors: Sang Won LEE, Seong Yong HWANG, Hye Eun PARK, Sung Kyu SHIM
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Publication number: 20190094583Abstract: A method of manufacturing a display panel includes providing a mother substrate in which a plurality of display cell areas is defined from which the display panel will be formed, the display cell areas arranged in along first and directions and each include a display unit cell corresponding to the display panel, and a dummy area extended along the second direction from the display unit cell dividing the mother substrate into the display unit cells each having the dummy area extended therefrom, by performing a wheel cutting process; separating the dummy area from the divided display unit cell by performing a laser cutting process; and curving the display unit cell from which the dummy area is separated, with reference to a reference axis which is parallel to the second direction, to form the display panel.Type: ApplicationFiled: August 31, 2018Publication date: March 28, 2019Inventors: Su-mi MOON, Jooyoung KIM, Yongdoo PARK, Sung-kyu SHIM
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Publication number: 20190079240Abstract: An optical member including a light guide plate including a surface disposed on a plane defined by a first direction and a second direction crossing the first direction, a low refractive index pattern disposed on the surface of the light guide plate and including an opening for exposing the surface of the light guide plate, a wavelength conversion layer disposed on the low refractive index pattern, and a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive index pattern at least one side portion. The low refractive index pattern has a lower index of refraction than the light guide plate, and a ratio of an area occupied by the low refractive index pattern to an area of the surface of the light guide plate decreases in the first direction.Type: ApplicationFiled: August 24, 2018Publication date: March 14, 2019Inventors: Seong Yong HWANG, Young Min PARK, Ju Young YOON, Sung Kyu SHIM, Sang Won LEE
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Patent number: 10025024Abstract: A display device includes a display panel, a backlight unit, and support members. The display panel displays an image, and a first edge section, a middle section, and a second edge section are defined on the display panel. The backlight unit outputs light toward the display panel. The support members are disposed between the display panel and the backlight unit corresponding to the first and second edge sections, and the support members space the display panel from the backlight unit. A spacing distance between the display panel and the backlight in each of the first and second edge sections is greater than a spacing distance between the display panel and the backlight unit in the middle section.Type: GrantFiled: May 24, 2016Date of Patent: July 17, 2018Assignee: Samsung Display Co., Ltd.Inventors: Sung-kyu Shim, Dohun Kim, Hyoung-joo Kim