Patents by Inventor Mangeun Kim
Mangeun Kim 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: 9632357Abstract: A display device comprises a display panel and a backlight unit. The backlight unit comprises: a bottom cover; a light source module mounted on the bottom cover and including: light sources arranged at uniform intervals; and a circuit board on which the light sources are mounted; a reflective layer placed above the light source module to reflect the light emitted from the light sources towards the display panel; a screening layer disposed over the reflective layer at a distance therefrom and having patterned holes to allow only a portion of the light reflected from the reflective layer to be transmitted; and a spacer disposed between the reflective layer and the screening layer to form a light guide layer defined by a vacant space between the reflective layer and the screening layer and to maintain the uniform height of the light guide layer.Type: GrantFiled: July 17, 2012Date of Patent: April 25, 2017Assignee: LG ELECTRONICS INC.Inventors: Chilkeun Park, Sangcheon Kim, Mangeun Kim, Hyouk Kwon, Hyunho Lee
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Publication number: 20170059937Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an angle with respect to the reflection layer, wherein first areas aligned with the respective light sources have a greater density of the plurality of absorbers than second areas between the first areas; and an optical sheet disposed on the light sources. In addition, a central axis of a corresponding first area matches a central axis of a corresponding light source.Type: ApplicationFiled: November 14, 2016Publication date: March 2, 2017Applicant: LG ELECTRONICS INC.Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
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Publication number: 20170054053Abstract: A light emitting device package assembly including a first substrate, a plurality of light emitting device packages disposed on the first substrate, and a light conversion member disposed on the light emitting device packages. Each of the light emitting device packages includes a main body disposed on the first substrate and including a first cavity, a light source disposed in the first cavity, and a first matrix disposed in the first cavity. Further, the light conversion member includes a second substrate including a plurality of second cavities, a second matrix disposed in the second cavities, and first light conversion particles disposed in the second matrix.Type: ApplicationFiled: July 22, 2016Publication date: February 23, 2017Applicant: LG ELECTRONICS INC.Inventors: Seongman JEON, Moongoo CHOI, Mangeun KIM, Jinwoo SUNG
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Publication number: 20170045199Abstract: Disclosed is a backlight unit comprising: a reflecting plate having a light source seated thereon; a first metal pattern formed on one surface of the reflecting plate so as to make contact with the light source; and a second metal pattern formed on the other surface of the reflecting plate and electrically connected to the first metal pattern.Type: ApplicationFiled: December 27, 2013Publication date: February 16, 2017Applicant: LG ELECTRONICS INC.Inventors: Mangeun KIM, Sangcheon KIM, Taegu KANG, Seongman JEON, Hyunho LEE, Kyoungwoo JO, Yongjin KIM
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Patent number: 9551899Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of light regulating patterns disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein corresponding light regulating patterns are disposed closer to the edge of the reflection layer at first areas aligned with the respective light sources than light regulating patterns at second areas between the first areas; and an optical sheet disposed on the light sources.Type: GrantFiled: January 11, 2016Date of Patent: January 24, 2017Assignee: LG ELECTRONICS INC.Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
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Patent number: 9494824Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein the plurality of absorbers have a greater density at first areas aligned with the respective light sources than at second areas between the first areas; and an optical sheet disposed on the light sources.Type: GrantFiled: January 11, 2016Date of Patent: November 15, 2016Assignee: LG ELECTRONICS INC.Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
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Patent number: 9482897Abstract: Disclosed is a planar lighting device and more particularly, a planar lighting device including a light emitting device. The planar lighting device includes a plurality of light sources arranged on a first surface of a circuit substrate, the light sources mounted thereon, a light regulator disposed in an edge of the first surface, the light regulator regulating luminance difference caused by difference in distance between a plurality of light sources close to the edge, and an optical sheet disposed on the light sources.Type: GrantFiled: January 22, 2014Date of Patent: November 1, 2016Assignee: LG ELECTRONICS INC.Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
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Publication number: 20160124266Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of light regulating patterns disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein corresponding light regulating patterns are disposed closer to the edge of the reflection layer at first areas aligned with the respective light sources than light regulating patterns at second areas between the first areas; and an optical sheet disposed on the light sources.Type: ApplicationFiled: January 11, 2016Publication date: May 5, 2016Applicant: LG ELECTRONICS INC.Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
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Publication number: 20160124267Abstract: A lighting device including a circuit substrate; a plurality of light sources disposed on the circuit substrate; a reflection layer disposed on the circuit substrate, the reflection layer comprising a plurality of openings where respective light sources are located; a plurality of absorbers disposed at an edge of the reflection layer and at an inclination with respect to the reflection layer, wherein the plurality of absorbers have a greater density at first areas aligned with the respective light sources than at second areas between the first areas; and an optical sheet disposed on the light sources.Type: ApplicationFiled: January 11, 2016Publication date: May 5, 2016Applicant: LG ELECTRONICS INC.Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
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Publication number: 20150293405Abstract: A display device comprises a display panel and a backlight unit. The backlight unit comprises: a bottom cover; a light source module mounted on the bottom cover and including: light sources arranged at uniform intervals; and a circuit board on which the light sources are mounted; a reflective layer placed above the light source module to reflect the light emitted from the light sources towards the display panel; a screening layer disposed over the reflective layer at a distance therefrom and having patterned holes to allow only a portion of the light reflected from the reflective layer to be transmitted; and a spacer disposed between the reflective layer and the screening layer to form a light guide layer defined by a vacant space between the reflective layer and the screening layer and to maintain the uniform height of the light guide layer.Type: ApplicationFiled: July 17, 2012Publication date: October 15, 2015Applicant: LG ELECTRONICS INC.Inventors: Chilkeun Park, Sangcheon Kim, Mangeun Kim, Hyouk Kwon, Hyunho Lee
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Patent number: 9153749Abstract: The present invention relates to a light emitting device package and a lighting device with the same. The light emitting device package comprises a package body having a first surface and a second surface, wherein the first surface has a mounting portion positioned thereon, and a through hole provided therein to pass through the first surface and the second surface, at least one pair of first electrodes on the first surface, at least one pair of second electrodes on the second surface connected to the first electrodes through the through hole respectively, a light emitting device on the mounting portion connected to the first electrodes electrically, a light wavelength conversion layer positioned on the light emitting device, and a protective layer on the light wavelength conversion layer for sealing the mounting portion.Type: GrantFiled: December 28, 2011Date of Patent: October 6, 2015Assignee: LG ELECTRONICS INC.Inventors: Mangeun Kim, Chilkeun Park, Sangcheon Kim, Moongoo Choi
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Patent number: 9080740Abstract: A planar lighting device includes a circuit substrate, a plurality of light sources disposed on the circuit substrate, a reflection layer disposed on the circuit substrate, the reflection layer including a first region having a plurality of openings where the respective light sources are located, and a second region connected to the first region, wherein the second region is bent in a direction from the first region, a hole pattern having a plurality of holes provided in the second region of the reflection layer, wherein at least two holes of the hole pattern are different in size, and an optical sheet disposed on the light sources.Type: GrantFiled: August 8, 2014Date of Patent: July 14, 2015Assignee: LG ELECTRONICS INC.Inventors: Yongjin Kim, Munheon Hong, Chilkeun Park, Sangcheon Kim, Mangeun Kim
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Patent number: 9069206Abstract: The present invention relates to a device which comprises a light source of a light emitting device, and more particularly to a circuit board, a backlight unit and a liquid crystal display device with the same. The backlight unit comprises a circuit board having a first line with circuit lines provided thereto, a plurality of second lines connected to the first line each to have elasticity at least at a point connected to the first line, and a light emitting device mounting portion connected to the second line and electrically connected to the circuit line, and a light guide plate positioned on the circuit board.Type: GrantFiled: December 28, 2011Date of Patent: June 30, 2015Assignee: LG ELECTRONICS INC.Inventors: Taegu Kang, Mangeun Kim, Hyouk Kwon
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Publication number: 20140347861Abstract: A planar lighting device includes a circuit substrate, a plurality of light sources disposed on the circuit substrate, a reflection layer disposed on the circuit substrate, the reflection layer including a first region having a plurality of openings where the respective light sources are located, and a second region connected to the first region, wherein the second region is bent in a direction from the first region, a hole pattern having a plurality of holes provided in the second region of the reflection layer, wherein at least two holes of the hole pattern are different in size, and an optical sheet disposed on the light sources.Type: ApplicationFiled: August 8, 2014Publication date: November 27, 2014Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun Kim
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Publication number: 20140204578Abstract: Disclosed is a planar lighting device and more particularly, a planar lighting device including a light emitting device. The planar lighting device includes a plurality of light sources arranged on a first surface of a circuit substrate, the light sources mounted thereon, a light regulator disposed in an edge of the first surface, the light regulator regulating luminance difference caused by difference in distance between a plurality of light sources close to the edge, and an optical sheet disposed on the light sources.Type: ApplicationFiled: January 22, 2014Publication date: July 24, 2014Applicant: LG ELECTRONICS INC.Inventors: Yongjin KIM, Munheon HONG, Chilkeun PARK, Sangcheon KIM, Mangeun KIM
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Publication number: 20130215068Abstract: Disclosed is a transparent electrode film structure and a touch screen, the structure including a retarder film, first and second hard coating layers coated on both surfaces of the retarder film, an optical layer formed on the second hard coating layer, and a transparent electrode film formed on the optical layer.Type: ApplicationFiled: February 23, 2012Publication date: August 22, 2013Applicant: LG ELECTRONICS INC.Inventors: Seongman Jeon, Mangeun Kim, Hyunkwon Shin, Sangcheon Kim
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Publication number: 20130002981Abstract: The present invention relates to a device which comprises a light source of a light emitting device, and more particularly to a circuit board, a backlight unit and a liquid crystal display device with the same. The backlight unit comprises a circuit board having a first line with circuit lines provided thereto, a plurality of second lines connected to the first line each to have elasticity at least at a point connected to the first line, and a light emitting device mounting portion connected to the second line and electrically connected to the circuit line, and a light guide plate positioned on the circuit board.Type: ApplicationFiled: December 28, 2011Publication date: January 3, 2013Inventors: Taegu KANG, Mangeun KIM, Hyouk KWON
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Publication number: 20120267661Abstract: The present invention relates to a light emitting device package and a lighting device with the same. The light emitting device package comprises a package body having a first surface and a second surface, wherein the first surface has a mounting portion positioned thereon, and a through hole provided therein to pass through the first surface and the second surface, at least one pair of first electrodes on the first surface, at least one pair of second electrodes on the second surface connected to the first electrodes through the through hole respectively, a light emitting device on the mounting portion connected to the first electrodes electrically, a light wavelength conversion layer positioned on the light emitting device, and a protective layer on the light wavelength conversion layer for sealing the mounting portion.Type: ApplicationFiled: December 28, 2011Publication date: October 25, 2012Inventors: Mangeun Kim, Chilkeun Park, Sangcheon Kim, Moongoo Choi
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Publication number: 20120250350Abstract: Provided is a display apparatus. The display apparatus includes a display panel and a backlight unit including a light source disposed at a rear side of the display panel to provide light. The light source includes a sub mount substrate, a light emitting chip mounted on a top surface of the sub mount substrate, a resin layer disposed on the top surface of the sub mount substrate to surround the light emitting chip, and a transmittance adjustment layer disposed on a top surface of the resin layer to adjust a transmitting rate of light emitted from the light emitting chip.Type: ApplicationFiled: March 29, 2012Publication date: October 4, 2012Inventors: Mangeun Kim, Moongoo Choi, Seonghun Kwon, ChilKeun Park, Hyunho Lee, Taegu Kang, Sangcheon Kim, Seongman Jeon
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Publication number: 20120162966Abstract: Provided is a display apparatus. The display apparatus includes a display panel and a backlight unit disposed at a rear side of the display panel to provide light. The backlight unit includes a first layer, a light source disposed on the first layer, a light guide layer having a hollow for receiving the light source, the light guide layer being disposed above the first layer to transmit and diffuse light emitted from the light source, and a reflection member disposed in the hollow to reflect at least one portion of the light emitted from the light source to the display panel toward the inside of the light guide layer.Type: ApplicationFiled: November 1, 2011Publication date: June 28, 2012Applicant: LG ELECTRONICS INC.Inventors: Mangeun Kim, Moongoo Choi, Seonghun Kwon, ChilKeun Park, Hyunho Lee, Taegu Kang, Sangcheon Kim, Seongman Jeon