Patents by Inventor Young June Jeong
Young June Jeong 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: 9519184Abstract: Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules.Type: GrantFiled: June 27, 2014Date of Patent: December 13, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Yeon Kim, Young June Jeong, Hun Joo Hahm, Jae Hong Shin, Chang Ho Shin
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Patent number: 9392670Abstract: A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.Type: GrantFiled: October 26, 2012Date of Patent: July 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chul Hee Yoo, Young June Jeong, Young Sam Park, Seong Yeon Han, Ho Yeon Kim, Hun Joo Hahm, Hyung Suk Kim
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Patent number: 9388970Abstract: A plane light source having a plurality of light emitting devices arranged in a light emitting device matrix having rows and columns at a substrate, the plane light source including: a first matrix having a plurality of light emitting devices arranged in rows and columns; and a second matrix having a plurality of light emitting devices arranged in rows and columns, each of the light emitting devices located within a quadrangle formed by four neighboring light emitting devices included in the first matrix, wherein the pitch of the light emitting devices of the first and second matrices is different from each other.Type: GrantFiled: January 7, 2014Date of Patent: July 12, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Young June Jeong
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Publication number: 20140313696Abstract: Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules.Type: ApplicationFiled: June 27, 2014Publication date: October 23, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae Yeon KIM, Young June JEONG, Hun Joo HAHM, Jae Hong SHIN, Chang Ho SHIN
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Publication number: 20140213003Abstract: The present invention relates to a GaN type LED device and a method of manufacturing the same. More particularly, there are provided a GaN type LED device including an LED chip; and a submount eutectic-bonded with the LED chip through an adhesive layer, wherein the adhesive layer is configured by soldering a plurality of metallic layers in which a first metallic layer and a second metallic layer are sequentially stacked, and the second metallic layer is formed in a paste form. Further, the present invention provides a method of manufacturing the GaN type LED device.Type: ApplicationFiled: March 28, 2014Publication date: July 31, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kun Yoo KO, Young June JEONG, Seung Hwan CHOI, Seong Ah JOO, Jung Kyu PARK
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Patent number: 8764212Abstract: Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules.Type: GrantFiled: March 9, 2009Date of Patent: July 1, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Dae Yeon Kim, Young June Jeong, Hun Joo Hahm, Jae Hong Shin, Chang Ho Shin
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Publication number: 20140119011Abstract: A plane light source having a plurality of light emitting devices arranged in a light emitting device matrix having rows and columns at a substrate, the plane light source including: a first matrix having a plurality of light emitting devices arranged in rows and columns; and a second matrix having a plurality of light emitting devices arranged in rows and columns, each of the light emitting devices located within a quadrangle formed by four neighboring light emitting devices included in the first matrix, wherein the pitch of the light emitting devices of the first and second matrices is different from each other.Type: ApplicationFiled: January 7, 2014Publication date: May 1, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Young June JEONG
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Patent number: 8654279Abstract: A method of manufacturing a planar light source includes disposing a plurality of light emitting devices on a substrate and disposing an optical sheet to be separated from the light emission surface formed by the plurality of light emitting devices by an optical length l, the step of disposing the plurality of light emitting devices on the substrate including determining a degree of pitch S between two adjacent light emitting devices among the plurality of light emitting devices, and the step of determining the degree of pitch S including: calculating a degree of luminance of the light emitting device in the optical sheet, and determining a distance between one region in the optical sheet directly above the light emitting device, and another region in the optical sheet having a half of maximum luminance, to be S/2.Type: GrantFiled: April 29, 2013Date of Patent: February 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventor: Young June Jeong
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Publication number: 20130258211Abstract: A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.Type: ApplicationFiled: October 26, 2012Publication date: October 3, 2013Inventors: Chul Hee YOO, Young June JEONG, Young Sam PARK, Seong Yeon HAN, Ho Yeon KIM, Hun Joo HAHM, Hyung Suk KIM
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Patent number: 8488081Abstract: There are provided a plane light source and an LCD backlight unit having the same.Type: GrantFiled: July 20, 2010Date of Patent: July 16, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Seong Yeon Han, Hun Joo Hahm, Hyung Suk Kim, Young June Jeong, Young Sam Park, Chul Hee Yoo
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Patent number: 8432511Abstract: There are provided a plane light source and an LCD backlight unit having the same. A plane light source having a plurality of light emitting devices arranged in a light emitting device matrix having rows and columns at a substrate according to an aspect of the invention includes a first matrix having a plurality of light emitting devices arranged in rows and columns; and a second matrix having a plurality of light emitting devices arranged in rows and columns, each of the light emitting devices located within a quadrangle formed by four neighboring light emitting devices included in the first matrix, wherein a pitch S between one light emitting device included in the light emitting device matrix and another light emitting device most adjacent to the one light emitting device satisfies the following equation to obtain uniform luminance distribution at a position distant from a light emitting surface of the light emitting device by an optical length l, S .ltoreq. l 2 .times. tan(.theta. 2+.alpha.Type: GrantFiled: March 1, 2011Date of Patent: April 30, 2013Assignee: Samsung Electronics Co., Ltd.Inventor: Young June Jeong
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Patent number: 8317348Abstract: A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.Type: GrantFiled: April 29, 2011Date of Patent: November 27, 2012Assignee: Samsung LED Co., Ltd.Inventors: Chul Hee Yoo, Young June Jeong, Young Sam Park, Seong Yeon Han, Ho Yeon Kim, Hun Joo Hahm, Hyung Suk Kim
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Patent number: 8220944Abstract: Provided is a backlight unit including a plurality of light emitting diodes (LEDs) that emit light; a plurality of LED modules having a printed circuit board (PCB) which supports and drives the plurality of LEDs; a plurality of optical sheets that are attached to the top surfaces of the respective LED modules; and a plurality of heat radiating pads that are attached to the rear surfaces of the respective LED modules.Type: GrantFiled: October 8, 2010Date of Patent: July 17, 2012Assignee: Samsung LED Co., Ltd.Inventors: Dae Yeon Kim, Young June Jeong, Hun Joo Hahm, Jae Hong Shin, Chang Ho Shin
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Patent number: 8168997Abstract: Provided is an LED package including a printed circuit board (PCB); a conductive structure that is formed on the PCB and is composed of any one selected from a silicon structure and an aluminum structure; and an LED chip that is mounted on the PCB and is electrically connected to the PCB through the conductive structure.Type: GrantFiled: August 15, 2008Date of Patent: May 1, 2012Assignee: Samsung LED Co., Ltd.Inventors: Seong Ah Joo, Jung Kyu Park, Kun Yoo Ko, Young June Jeong, Seung Hwan Choi
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Publication number: 20110242437Abstract: A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.Type: ApplicationFiled: April 29, 2011Publication date: October 6, 2011Applicant: SAMSUNG LED CO., LTD.Inventors: Chul Hee YOO, Young June JEONG, Young Sam PARK, Seong Yeon HAN, Ho Yeon KIM, Hun Joo HAHM, Hyung Suk KIM
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Publication number: 20110211347Abstract: There are provided a plane light source and an LCD backlight unit having the same. A plane light source having a plurality of light emitting devices arranged in a light emitting device matrix having rows and columns at a substrate according to an aspect of the invention includes a first matrix having a plurality of light emitting devices arranged in rows and columns; and a second matrix having a plurality of light emitting devices arranged in rows and columns, each of the light emitting devices located within a quadrangle formed by four neighboring light emitting devices included in the first matrix, wherein a pitch S between one light emitting device included in the light emitting device matrix and another light emitting device most adjacent to the one light emitting device satisfies the following equation to obtain uniform luminance distribution at a position distant from a light emitting surface of the light emitting device by an optical length l, S.ltoreq.12.times.tan(.theta.2+.alpha.), Equation where—.Type: ApplicationFiled: March 1, 2011Publication date: September 1, 2011Applicant: SAMSUNG LED CO., LTD.Inventor: Young June JEONG
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Patent number: 7968894Abstract: An LED package frame includes an LED chip and a heat conductive member made of high heat conductivity material. The heat conductive member has a receiving part at a lateral portion, and is mounted with the LED chip. A lead-coating assembly configured to be inserted into the receiving part of the heat conductive member, including a lead is inserted at one end into the receiving part of the heat conductive member, and electrically connected to the LED chip. An electrically insulating layer is placed in tight contact between the lead and the receiving part of the heat conductive member isolates the lead from the receiving part. With the lead inserted into the heat conductive member, it is possible to reduce size while maintaining high heat conductivity and stability.Type: GrantFiled: August 27, 2009Date of Patent: June 28, 2011Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Young Sam Park, Seung Ick Lee, Hun Joo Hahm, Hyung Suk Kim, Bum Jin Kim, Young June Jeong, Ho Sik Ahn, Jung Kyu Park
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Patent number: 7964885Abstract: A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.Type: GrantFiled: December 5, 2007Date of Patent: June 21, 2011Assignee: Samsung LED Co., Ltd.Inventors: Chul Hee Yoo, Young June Jeong, Young Sam Park, Seong Yeon Han, Ho Yeon Kim, Hun Joo Hahm, Hyung Suk Kim
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Patent number: 7959312Abstract: A white light emitting device including: a blue light emitting diode chip having a dominant wavelength of 443 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue light emitting diode chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, and the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.5030) based on the CIE 1931 color chromaticity diagram.Type: GrantFiled: April 21, 2008Date of Patent: June 14, 2011Assignee: Samsung LED Co., Ltd.Inventors: Chul Hee Yoo, Young June Jeong, Young Sam Park, Seong Yeon Han, Ho Yeon Kim, Hun Joo Hahm, Hyung Suk Kim
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Patent number: 7940350Abstract: There are provided a plane light source and an LCD backlight unit having the same.Type: GrantFiled: May 15, 2008Date of Patent: May 10, 2011Assignee: Samsung LED Co., Ltd.Inventor: Young June Jeong