Patents by Inventor Manhyuck Han
Manhyuck Han 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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Publication number: 20230341725Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Applicant: LG ELECTRONICS INC.Inventors: Kyungjoon LEE, Uihyung LEE, Juyoung JOUNG, Wondo KEE, Minho KIM, Wongjoon HWANG, Jaeyoon JEONG, Bohee KANG, Manhyuck HAN, Jiu MYEONG
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Patent number: 11709395Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: GrantFiled: March 10, 2022Date of Patent: July 25, 2023Assignee: LG ELECTRONICS INC.Inventors: Kyungjoon Lee, Uihyung Lee, Juyoung Joung, Wondo Kee, Minho Kim, Wongjoon Hwang, Jaeyoon Jeong, Bohee Kang, Manhyuck Han, Jiu Myeong
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Publication number: 20220197088Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: ApplicationFiled: March 10, 2022Publication date: June 23, 2022Applicant: LG ELECTRONICS INC.Inventors: Kyungjoon LEE, Uihyung LEE, Juyoung JOUNG, Wondo KEE, Minho KIM, Wongjoon HWANG, Jaeyoon JEONG, Bohee KANG, Manhyuck HAN, Jiu MYEONG
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Patent number: 11327362Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: GrantFiled: December 14, 2020Date of Patent: May 10, 2022Assignee: LG ELECTRONICS INC.Inventors: Kyungjoon Lee, Uihyung Lee, Juyoung Joung, Wondo Kee, Minho Kim, Wongjoon Hwang, Jaeyoon Jeong, Bohee Kang, Manhyuck Han, Jiu Myeong
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Publication number: 20210132441Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: ApplicationFiled: December 14, 2020Publication date: May 6, 2021Applicant: LG ELECTRONICS INC.Inventors: Kyungjoon LEE, Uihyung LEE, Juyoung JOUNG, Wondo KEE, Minho KIM, Wongjoon HWANG, Jaeyoon JEONG, Bohee KANG, Manhyuck HAN, Jiu MYEONG
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Patent number: 10914983Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: GrantFiled: June 17, 2020Date of Patent: February 9, 2021Assignee: LG ELECTRONICS INC.Inventors: Kyungjoon Lee, Uihyung Lee, Juyoung Joung, Wondo Kee, Minho Kim, Wongjoon Hwang, Jaeyoon Jeong, Bohee Kang, Manhyuck Han, Jiu Myeong
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Patent number: 10845645Abstract: A display device is disclosed. The display device includes a display panel, a frame positioned in the rear of the display panel, a substrate positioned between the frame and the display panel, extended in an up-down direction of the frame, and mounted on the frame, a light source mounted on the substrate, and a lens covering the light source and mounted on the substrate. The lens includes a first stopper protruding and extending from a lower surface of the lens, and a first leg extended from the first stopper toward a lower part of the lens. The substrate includes a hole into which the first leg is inserted.Type: GrantFiled: August 31, 2018Date of Patent: November 24, 2020Assignee: LG ELECTRONICS INC.Inventors: Uihyung Lee, Minho Kim, Sujin Sim, Wondo Kee, Ilsang Yeon, Juyoung Joung, Manhyuck Han, Jongho Han
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Publication number: 20200319510Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: ApplicationFiled: June 17, 2020Publication date: October 8, 2020Applicant: LG ELECTRONICS INC.Inventors: Kyungjoon LEE, Uihyung LEE, Juyoung JOUNG, Wondo KEE, Minho KIM, Woongjoon HWANG, Jaeyoon JEONG, Bohee KANG, Manhyuck HAN, Jiu MYEONG
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Patent number: 10698256Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: GrantFiled: November 4, 2015Date of Patent: June 30, 2020Assignee: LG ELECTRONICS INC.Inventors: Kyungjoon Lee, Uihyung Lee, Juyoung Joung, Wondo Kee, Minho Kim, Woongjoon Hwang, Yaeyoon Jeong, Bohee Kang, Manhyuck Han, Jiu Myeong
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Publication number: 20190094622Abstract: A display device is disclosed. The display device includes a display panel, a frame positioned in the rear of the display panel, a substrate positioned between the frame and the display panel, extended in an up-down direction of the frame, and mounted on the frame, a light source mounted on the substrate, and a lens covering the light source and mounted on the substrate. The lens includes a first stopper protruding and extending from a lower surface of the lens, and a first leg extended from the first stopper toward a lower part of the lens. The substrate includes a hole into which the first leg is inserted.Type: ApplicationFiled: August 31, 2018Publication date: March 28, 2019Applicant: LG ELECTRONICS INC.Inventors: Uihyung LEE, Minho KIM, Sujin SIM, Wondo KEE, Ilsang YEON, Juyoung JOUNG, Manhyuck HAN, Jongho HAN
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Publication number: 20160147115Abstract: Disclosed herein are a backlight unit and a display device using the same. In an embodiment, the backlight unit includes a substrate, at least one light source on the substrate, a lenses placed over the light source, a reflection sheet in which at least one through hole corresponding to the lens is formed, and a reflection ring comprising an opening portion corresponding to the at least one light source, and placed between the lens and the substrate. In accordance with an embodiment of the present invention, luminance uniformity of the backlight unit can be improved because the reflection ring surrounding the light source is included.Type: ApplicationFiled: November 4, 2015Publication date: May 26, 2016Inventors: Kyungjoon LEE, Uihyung Lee, Juyoung Joung, Wondo Kee, Minho Kim, Woongjoon Hwang, Jaeyoon Jeong, Bohee Kang, Manhyuck Han, Jiu Myeoung