Patents by Inventor Dong-Kug Yu
Dong-Kug Yu 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: 8982299Abstract: Disclosed herein are a backlight unit and a display device. The backlight unit includes a bottom cover, a light emitting device module disposed at the lower portion of the inside of the bottom cover, a light guide plate disposed adjacent to the light emitting device module and disposed in front of the bottom cover, at least one optical sheet and a reflective sheet disposed adjacent to the light guide plate, recesses, each of which is disposed with one opened side, disposed at the edges of at least one of the light guide plate, the reflective sheet and the at least one optical sheet, and protrusions disposed at one side of the bottom cover disposed with the light emitting device module so as to be inserted into the recesses of the at least one of the light guide plate, the reflective sheet and the at least one optical sheet.Type: GrantFiled: May 24, 2011Date of Patent: March 17, 2015Assignee: LG Innotek Co., Ltd.Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
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Patent number: 8757844Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.Type: GrantFiled: September 6, 2013Date of Patent: June 24, 2014Assignee: LG Innotek Co., Ltd.Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
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Patent number: 8668364Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.Type: GrantFiled: September 6, 2013Date of Patent: March 11, 2014Assignee: LG Innotek Co., Ltd.Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
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Patent number: 8636374Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover; a light emitting module arranged in the bottom cover; a first heat sink arranged to an outside of the bottom cover; and a second heat sink arranged in the bottom cover, the second heat sink located between the light emitting module and the first heat sink.Type: GrantFiled: June 10, 2011Date of Patent: January 28, 2014Assignee: LG Innotek Co., Ltd.Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
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Publication number: 20140003088Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.Type: ApplicationFiled: September 6, 2013Publication date: January 2, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Dong Kug YU, Sung Yong PARK, Young Bae JANG
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Publication number: 20140003089Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.Type: ApplicationFiled: September 6, 2013Publication date: January 2, 2014Applicant: LG INNOTEK CO., LTD.Inventors: Dong Kug YU, Sung Yong PARK, Young Bae JANG
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Patent number: 8616752Abstract: A backlight unit includes a bottom cover, a first heat sink portion disposed on the bottom cover, a second heat sink portion extended upward with respect to the first heat sink portion, and at least a portion of a light emission module placed in at least one recess or at least one hole of the first heat sink portion, and the light emission module disposed on the second heat sink portion.Type: GrantFiled: June 30, 2011Date of Patent: December 31, 2013Assignee: LG Innotek Co., Ltd.Inventor: Dong Kug Yu
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Patent number: 8550665Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.Type: GrantFiled: May 24, 2011Date of Patent: October 8, 2013Assignee: LG Innotex Co., Ltd.Inventors: Dong Kug Yu, Sung Yong Park, Young Bae Jang
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Publication number: 20120008337Abstract: A backlight unit includes a bottom cover, a first heat sink portion disposed on the bottom cover, a second heat sink portion extended upward with respect to the first heat sink portion, and at least a portion of a light emission module placed in at least one recess or at least one hole of the first heat sink portion, and the light emission module disposed on the second heat sink portion.Type: ApplicationFiled: June 30, 2011Publication date: January 12, 2012Inventor: Dong Kug YU
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Publication number: 20110305039Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover; a light emitting module arranged in the bottom cover; a first heat sink arranged to an outside of the bottom cover; and a second heat sink arranged in the bottom cover, the second heat sink located between the light emitting module and the first heat sink.Type: ApplicationFiled: June 10, 2011Publication date: December 15, 2011Inventors: Dong Kug YU, Sung Yong PARK, Young Bae JANG
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Publication number: 20110292320Abstract: Disclosed herein are a backlight unit and a display device. The backlight unit includes a bottom cover, a light emitting device module disposed at the lower portion of the inside of the bottom cover, a light guide plate disposed adjacent to the light emitting device module and disposed in front of the bottom cover, at least one optical sheet and a reflective sheet disposed adjacent to the light guide plate, recesses, each of which is disposed with one opened side, disposed at the edges of at least one of the light guide plate, the reflective sheet and the at least one optical sheet, and protrusions disposed at one side of the bottom cover disposed with the light emitting device module so as to be inserted into the recesses of the at least one of the light guide plate, the reflective sheet and the at least one optical sheet.Type: ApplicationFiled: May 24, 2011Publication date: December 1, 2011Inventors: Dong Kug YU, Sung Yong Park, Young Bae Jang
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Publication number: 20110292682Abstract: A backlight unit capable of emitting heat smoothly and a display device including the same are disclosed. The backlight unit includes a bottom cover, a light emitting module arranged in a predetermined area of the bottom cover, a reflective sheet provided on the bottom cover, the reflective sheet spaced apart a predetermined distance from the bottom cover, a plurality of first heat radiating members provided between the reflective sheet and the bottom cover, the plurality of the first heat radiating members spaced apart a predetermined distance from each other, a second heat radiating member arranged between the light emitting module and the first heat radiating members, and a projected part located in the second heat radiating member below the reflective sheet, the projected part supporting the reflective sheet to locate the reflective sheet spaced apart a predetermined distance from the first heat radiating members.Type: ApplicationFiled: May 24, 2011Publication date: December 1, 2011Inventors: Dong Kug YU, Sung Yong Park, Young Bae Jang
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Patent number: 6883338Abstract: An apparatus and a method is provided for displaying a power-off state of a refrigerator having plural chambers. When a user turns off at least one of the plurality of chambers of the refrigerator, a power-off state display apparatus of the refrigerator displays “OFF” characters on a display unit, thus confirming that a particular chamber has been turned off. The power-off state display apparatus includes a signal generating unit for generating a power-off signal when a user turns off at least one of the plurality of chambers, and a display unit for displaying the power-off state after receiving the power-off signal.Type: GrantFiled: May 7, 2002Date of Patent: April 26, 2005Assignee: LG Electronics Inc.Inventor: Dong-Kug Yu
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Publication number: 20020166329Abstract: In an apparatus and a method for displaying a power-off state of a refrigerator having plural chambers when a user turns off at least one of plural chambers installed to the refrigerator, a power-off state display apparatus of a refrigerator includes a signal generating unit for generating a power-off signal when a user turns off at least one of plural chambers installed to a refrigerator; and a display unit for displaying a power-off state after receiving the power-off signal.Type: ApplicationFiled: May 7, 2002Publication date: November 14, 2002Applicant: LG ELECTRONICS INC.Inventor: Dong-Kug Yu