Patents by Inventor Hyong Sik Won
Hyong Sik Won 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: 10903397Abstract: A light emitting device package may include: a light emitting structure including a plurality of light emitting regions configured to emit light, respectively; a plurality of light adjusting layers formed above the light emitting regions to change characteristics of the light emitted from the light emitting regions, respectively; a plurality of electrodes configured to control the light emitting regions to emit the light, respectively; and an isolation insulating layer disposed between the light emitting regions to insulate the light emitting regions from one another, the isolation insulating layer forming a continuous structure with respect to the light emitting regions.Type: GrantFiled: April 17, 2020Date of Patent: January 26, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Il Kim, Hyong Sik Won, Wan Tae Lim, Nam Goo Cha
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Publication number: 20200243723Abstract: A light emitting device package may include: a light emitting structure including a plurality of light emitting regions configured to emit light, respectively; a plurality of light adjusting layers formed above the light emitting regions to change characteristics of the light emitted from the light emitting regions, respectively; a plurality of electrodes configured to control the light emitting regions to emit the light, respectively; and an isolation insulating layer disposed between the light emitting regions to insulate the light emitting regions from one another, the isolation insulating layer forming a continuous structure with respect to the light emitting regions.Type: ApplicationFiled: April 17, 2020Publication date: July 30, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Il KIM, Hyong Sik WON, Wan Tae LIM, Nam Goo CHA
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Patent number: 10629782Abstract: A light emitting device package may include: a light emitting structure including a plurality of light emitting regions configured to emit light, respectively; a plurality of light adjusting layers formed above the light emitting regions to change characteristics of the light emitted from the light emitting regions, respectively; a plurality of electrodes configured to control the light emitting regions to emit the light, respectively; and an isolation insulating layer disposed between the light emitting regions to insulate the light emitting regions from one another, the isolation insulating layer forming a continuous structure with respect to the light emitting regions.Type: GrantFiled: January 23, 2019Date of Patent: April 21, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Il Kim, Hyong Sik Won, Wan Tae Lim, Nam Goo Cha
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Publication number: 20190157515Abstract: A light emitting device package may include: a light emitting structure including a plurality of light emitting regions configured to emit light, respectively; a plurality of light adjusting layers formed above the light emitting regions to change characteristics of the light emitted from the light emitting regions, respectively; a plurality of electrodes configured to control the light emitting regions to emit the light, respectively; and an isolation insulating layer disposed between the light emitting regions to insulate the light emitting regions from one another, the isolation insulating layer forming a continuous structure with respect to the light emitting regions.Type: ApplicationFiled: January 23, 2019Publication date: May 23, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Il KIM, Hyong Sik WON, Wan Tae LIM, Nam Goo CHA
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Patent number: 10230021Abstract: A light emitting device package may include: a light emitting structure including a plurality of light emitting regions configured to emit light, respectively; a plurality of light adjusting layers formed above the light emitting regions to change characteristics of the light emitted from the light emitting regions, respectively; a plurality of electrodes configured to control the light emitting regions to emit the light, respectively; and an isolation insulating layer disposed between the light emitting regions to insulate the light emitting regions from one another, the isolation insulating layer forming a continuous structure with respect to the light emitting regions.Type: GrantFiled: September 29, 2016Date of Patent: March 12, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Il Kim, Hyong Sik Won, Wan Tae Lim, Nam Goo Cha
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Publication number: 20170092820Abstract: A light emitting device package may include: a light emitting structure including a plurality of light emitting regions configured to emit light, respectively; a plurality of light adjusting layers formed above the light emitting regions to change characteristics of the light emitted from the light emitting regions, respectively; a plurality of electrodes configured to control the light emitting regions to emit the light, respectively; and an isolation insulating layer disposed between the light emitting regions to insulate the light emitting regions from one another, the isolation insulating layer forming a continuous structure with respect to the light emitting regions.Type: ApplicationFiled: September 29, 2016Publication date: March 30, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Il KIM, Hyong Sik WON, Wan Tae LIM, Nam Goo CHA
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Patent number: 9490401Abstract: There is provided a method of manufacturing a light emitting device which includes preparing a light emitting element emitting excitation light and a substrate on which the light emitting element is disposed. A fluoride phosphor is provided to absorb excitation light emitted from the light emitting element to emit visible light, and is represented by Chemical Formula (1). The fluoride phosphor is disposed on at least one of the light emitting element and the substrate, wherein Chemical Formula (1): AxMFy:Mn4+ (wherein 2?x?3 and 4?y?7, A is at least one element selected from the group consisting of Li, Na, K, Rb, and Cs, and M is at least one element selected from the group consisting Si, Ti, Zr, Hf, Ge, and Sn).Type: GrantFiled: February 4, 2016Date of Patent: November 8, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: In Hyung Lee, Jong Won Park, Hyong Sik Won, Chul Soo Yoon, Dong Hoon Lee
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Patent number: 9391245Abstract: According to one embodiment of the present invention, a method for producing a sialon phosphor comprises: mixing a silicon precursor and an aluminum precursor and sintering the mixture to form a first sintered body; and mixing the first sintered body and a precursor for an active material and heat-treating the mixture to form a second sintered body. That is, the method for producing a sialon phosphor according to one embodiment of the present invention involves firstly forming the first sintered body serving as a host material to stably ensure a crystal structure, and then mixing the active material and the first sintered body so as to preserve the role of the active material without sacrificing the crystal structure of the first sintered body. Eventually, the active material in the crystal structure of the first sintered body is located in an interstitial site not located in the Si or Al position, thereby preventing the degradation of the crystallinity of the first sintered body.Type: GrantFiled: September 19, 2011Date of Patent: July 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyong Sik Won, Chul Soo Yoon, Youn Gon Park, Chang Bun Yoon
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Publication number: 20160155909Abstract: There is provided a method of manufacturing a light emitting device which includes preparing a light emitting element emitting excitation light and a substrate on which the light emitting element is disposed. A fluoride phosphor is provided to absorb excitation light emitted from the light emitting element to emit visible light, and is represented by Chemical Formula (1). The fluoride phosphor is disposed on at least one of the light emitting element and the substrate, wherein Chemical Formula (1): AxMFy:Mn4+ (wherein 2?x?3 and 4?y?7, A is at least one element selected from the group consisting of Li, Na, K, Rb, and Cs, and M is at least one element selected from the group consisting Si, Ti, Zr, Hf, Ge, and Sn).Type: ApplicationFiled: February 4, 2016Publication date: June 2, 2016Inventors: In Hyung LEE, Jong Won PARK, Hyong Sik WON, Chul Soo YOON, Dong Hoon LEE
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Patent number: 9293666Abstract: There is provided a method of manufacturing a light emitting device which includes preparing a light emitting element emitting excitation light and a substrate on which the light emitting element is disposed. A fluoride phosphor is provided to absorb excitation light emitted from the light emitting element to emit visible light, and is represented by Chemical Formula (1). The fluoride phosphor is disposed on at least one of the light emitting element and the substrate, wherein Chemical Formula (1): AxMFy:Mn4+ (wherein 2?x?3 and 4?y?7, A is at least one element selected from the group consisting of Li, Na, K, Rb, and Cs, and M is at least one element selected from the group consisting Si, Ti, Zr, Hf, Ge, and Sn).Type: GrantFiled: July 24, 2014Date of Patent: March 22, 2016Assignee: Samsung Electronics Co., Ltd.Inventors: In Hyung Lee, Jong Won Park, Hyong Sik Won, Chul Soo Yoon, Dong Hoon Lee
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Patent number: 9187694Abstract: According to one example of the present application, a phosphor has the following composition formula (1): [composition formula 1] Si(6-z)AlzOyN(8-z):Rex, where x, y and z are 0.018?x?0.3, 0.3?y?0.75, 0.42?z?1.0, respectively, and Re is a rare earth element. Therefore, even when the aluminum concentration is 0.42 mol to 1.0 mol, a sialon phosphor of the present application exhibits high luminance and has a particle size D50 varying between 5 to 20 ?m. In addition, a method for preparing a phosphor according to one example of the present application involves adjusting the oxygen concentration to ensure the superior crystallinity of the phosphor and thus improve the luminance thereof.Type: GrantFiled: September 20, 2011Date of Patent: November 17, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seong Min Kim, Hyong Sik Won, Chan Suk Min, Chul Soo Yoon, Youn Gon Park
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Patent number: 9127203Abstract: There is provided a phosphor having a ?-type Si3N4 crystal structure including oxynitride expressed by an empirical formula Si6-zAlzOz N8-z:Eua,Mb, M being at least one selected from among strontium (Sr) and barium (Ba), an amount (a) of europium (Eu) ranging from 0.1 to 5 mol %, an amount (b) of M ranging from 0.1 to 10 mol %, and a composition rate (z) of aluminum (Al) satisfying 0.1<z<1, and the phosphor emitting light having a peak wavelength ranging from 500 to 550 nm when excitation light is irradiated thereto.Type: GrantFiled: February 11, 2011Date of Patent: September 8, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Bun Yoon, Hyong Sik Won, Chul Soo Yoon
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Patent number: 9120973Abstract: The fluorescent substance according to one embodiment of the present invention has the following compositional formula (1): [Compositional formula 1] SrySi(6?z)AlzOzN(8?z):Rex. Here, x, y and z are respectively 0.005?x?0.05, 0.05?y?0.5, 0.001?z?0.50, and Re is a rare earth element. As a result, the fluorescent substance according to one embodiment of the present invention can exhibit a short wavelength of between 525 nm and 537 nm when the concentration of strontium is between 0.05 moles and 0.5 moles. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by the addition of barium in a range of between 0.003 moles and 0.125 moles when the concentration of aluminium is high. Also, the fluorescent substance can exhibit a short wavelength of between 525 nm and 537 nm by adjusting the oxygen concentration by the addition not only of AlN but also of Al2O3 as an aluminium precursor when the concentration of aluminium is high.Type: GrantFiled: February 6, 2012Date of Patent: September 1, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyong Sik Won, Seong Min Kim, Chan Suk Min, Chul Soo Yoon
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Patent number: 9062253Abstract: There are provided a phosphor and a light emitting device. The phosphor includes a phosphor composition including a rare-earth element employed in a compound represented by the equation: L3Si6N11, wherein L is one or more elements selected from La, Y, Gd and Lu, the rare-earth element is one or more elements selected from Mn, Ce, Pr, Nd, Sm, Eu, Gd, Dy, Tb, Ho, Er, Tm and Yb. The phosphor composition is provided in particle form. The particle has at least a portion of a plane perpendicular to a [001] direction to be flat thereon so as to have a crystal plane.Type: GrantFiled: December 7, 2012Date of Patent: June 23, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Hyong Sik Won, Youn Gon Park, Seong Min Kim, Chan Suk Min, Sung Hak Jo, Chul Soo Yoon
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Publication number: 20150162506Abstract: There is provided a method of manufacturing a light emitting device which includes preparing a light emitting element emitting excitation light and a substrate on which the light emitting element is disposed. A fluoride phosphor is provided to absorb excitation light emitted from the light emitting element to emit visible light, and is represented by Chemical Formula (1). The fluoride phosphor is disposed on at least one of the light emitting element and the substrate, wherein Chemical Formula (1): AxMFy:Mn4+ (wherein 2?x?3 and 4?y?7, A is at least one element selected from the group consisting of Li, Na, K, Rb, and Cs, and M is at least one element selected from the group consisting Si, Ti, Zr, Hf, Ge, and Sn).Type: ApplicationFiled: July 24, 2014Publication date: June 11, 2015Inventors: In Hyung LEE, Jong Won PARK, Hyong Sik WON, Chul Soo YOON, Dong Hoon LEE
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Patent number: 9034207Abstract: A phosphor is represented by a general Formula: EuxMyL3?x?ySi6?zAlzN11?(z+y+z)O(z+y+z) and satisfies 0.00001?x?2.9999, 0.0001?y?2.99999 and 0?z?6.0. L is at least one element selected from La, Y, Gd and Lu. M is at least one element selected from Ca, Sr, Ba and Mn.Type: GrantFiled: December 11, 2012Date of Patent: May 19, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyong Sik Won, Chan Suk Min, Seong Min Kim, Sung Hak Jo, Youn Gon Park, Chul Soo Yoon
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Patent number: 8986574Abstract: There are provided an oxynitride-based phosphor and a light emitting device including the same, the oxynitride-based phosphor containing at least calcium (Ca), barium (Ba), silicon (Si), oxygen (O), and nitrogen (N) as host material components in a host material and having a rare-earth element dissolved in the host material as an activator, wherein the rare-earth element is at least one from a group consisting of manganese (Mn), cerium (Ce), praseodymium (Pr), neodymium (Nd), samarium (Sm), europium (Eu), gadolinium (Gd), dysprosium (Dy), terbium (Tb), holmium (Ho), erbium (Er), thulium (Tm), and ytterbium (Yb), and the host material has a monoclinic crystal structure in which a crystal lattice according to a peak of an X-ray powder diffraction pattern has values of a=7.076, b=23.888, c=4.827, ?=?=90°, and ?=109.110°.Type: GrantFiled: November 23, 2012Date of Patent: March 24, 2015Assignees: Samsung Electronics Co., Ltd., Industry-Academy Cooperation Foundation of Suncheon National UniversityInventors: Hyong Sik Won, Kee Sun Sohn, Woon Bae Park
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Patent number: 8773012Abstract: Disclosed are a phosphor, a method for preparing and using the same, a light emitting device package, a surface light source apparatus, a lighting apparatus using the phosphor, and a display apparatus. The phosphor includes an inorganic compound represented by an empirical formula (Sr, M)2SiO4-xNy:Eu, where M is a metallic element, 0<x<4, and y=2x/3.Type: GrantFiled: January 17, 2014Date of Patent: July 8, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong Ho Ryu, Chul Soo Yoon, Hyong Sik Won
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Publication number: 20140133146Abstract: Disclosed are a phosphor, a method for preparing and using the same, a light emitting device package, a surface light source apparatus, a lighting apparatus using the phosphor, and a display apparatus. The phosphor includes an inorganic compound represented by an empirical formula (Sr, M)2SiO4-xNy:Eu, where M is a metallic element, 0<x<4, and y=2x/3.Type: ApplicationFiled: January 17, 2014Publication date: May 15, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeong Ho RYU, Chul Soo YOON, Hyong Sik WON
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Patent number: 8709838Abstract: There is provided a method for preparing a ?-SiAlON phosphor capable of be controlled to show characteristics such as high brightness and desired particle size distribution. The method for preparing a ?-SiAlON phosphor represented by Formula: Si(6-x)AlxOyN(8-y):Lnz (wherein, Ln is a rare earth element, and the following requirements are satisfied: 0<x?4.2, 0<y?4.2, and 0<z?1.0) includes: mixing starting materials to prepare a raw material mixture; and heating the raw material mixture in a nitrogen-containing atmospheric gas, wherein the starting materials includes a host raw material including a silicon raw material including metallic silicon, and at least one aluminum raw material selected from the group consisting of metallic aluminum and aluminum compound, and at least activator raw material selected from the rare earth elements for activating the host raw material.Type: GrantFiled: February 26, 2013Date of Patent: April 29, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Hideo Suzuki, Chul Soo Yoon, Hyong Sik Won, Jeong Ho Ryu, Youn Gon Park, Sang Hyun Kim