Patents by Inventor Daehoon Song
Daehoon Song 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: 10032392Abstract: A backlight unit includes a light source part configured to emit a light and a reflective sheet disposed under the light source part. The light source part includes a first light source block including a plurality of light sources with first distances therebetween and a second light source block including a plurality of light sources with second distances therebetween. The first distances increase or decrease as the light sources of the first light source block are closer to an end portion of the first light source block than to a center portion of the first light source block, and the second distances increase as the light sources of the second light source block axe closer to an end portion of the second light source block than to a center portion of the second light source block.Type: GrantFiled: April 11, 2013Date of Patent: July 24, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Daehoon Song, Young-keun Lee, Juhwa Ha, Jin Seo, Juyoun Son, Sangheon Ye
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Patent number: 9759853Abstract: A light guide plate receives light and guides the light to a display panel. The light guide plate includes a body and protruding portions. The body includes a first side surface disposed adjacent to the light source, a second side surface facing the first side surface, and an upper surface. Protruding portions are protruded from the upper surface. Each of the protruding portions includes first and second protruding portions sequentially arranged from the first side surface to the second side surface. A width of the first protruding portion in a direction substantially parallel to the first side surface becomes smaller as a distance from the first side surface becomes larger, and a width of the second protruding portion in the direction substantially parallel to the first side surface becomes larger as the distance from the first side surface becomes larger.Type: GrantFiled: August 5, 2015Date of Patent: September 12, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hayoung Lee, Daehoon Song, Sung-Kyu Shim
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Patent number: 9747819Abstract: A display device includes first light emitting devices arranged in a line in a protective member, second light emitting devices parallel to and alternately arranged with the first light emitting devices, and optical member supporters in the protective member between the first and second light emitting devices. Each optical member supporter is positioned at a center of a parallelogram defined by two adjacent first light emitting devices and two adjacent second light emitting devices, and each transparent optical member supporter includes a first surface that faces one of the first light emitting devices and a second surface opposite the first surface that faces one of the second light emitting devices. Each optical member supporter includes a plate portion having the first and second surfaces, and a hook portion that extends through the protective member. A width of the plate portion decreases with increasing distance from the hook portion.Type: GrantFiled: January 4, 2013Date of Patent: August 29, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sangheon Ye, Juhwa Ha, Daehoon Song, Jaesuk Yoo, Kyu-Hun Shim, Donghoon Jung, Hyunwoo Lee
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Publication number: 20160103264Abstract: A light guide plate receives light and guides the light to a display panel. The light guide plate includes a body and protruding portions. The body includes a first side surface disposed adjacent to the light source, a second side surface facing the first side surface, and an upper surface. Protruding portions are protruded from the upper surface. Each of the protruding portions includes first and second protruding portions sequentially arranged from the first side surface to the second side surface. A width of the first protruding portion in a direction substantially parallel to the first side surface becomes smaller as a distance from the first side surface becomes larger, and a width of the second protruding portion in the direction substantially parallel to the first side surface becomes larger as the distance from the first side surface becomes larger.Type: ApplicationFiled: August 5, 2015Publication date: April 14, 2016Inventors: Hayoung LEE, Daehoon SONG, Sung-Kyu SHIM
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Publication number: 20150029439Abstract: A back light assembly includes: a light source including a light emitting diode which generates white light having color coordinates located on one of a plurality of color coordinate ranks; a reflector sheet which reflects the white light incident from the light source, where the reflector sheet includes a reflective material which reflects light incident thereon and a color compensation material which compensates the color coordinates of the white light by controlling the intensity of light having a predetermined wavelength range, among the white light, to allow the color coordinates of the white light to converge on target color coordinates; and a diffuser plate which diffusing light provided from the light source and the reflector sheet.Type: ApplicationFiled: January 16, 2014Publication date: January 29, 2015Applicant: Samsung Display Co., Ltd.Inventors: JoongHyun KIM, DONGHOON KIM, Young-Jun SEO, Daehoon SONG, Young-keun LEE, Youngjun CHOI
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Publication number: 20140146522Abstract: A backlight unit includes a light source part configured to emit a light and a reflective sheet disposed under the light source part. The light source part includes a first light source block including a plurality of light sources with first distances therebetween and a second light source block including a plurality of light sources with second distances therebetween. The first distances increase or decrease as the light sources of the first light source block are closer to an end portion of the first light source block than to a center portion of the first light source block, and the second distances increase as the light sources of the second light source block axe closer to an end portion of the second light source block than to a center portion of the second light source block.Type: ApplicationFiled: April 11, 2013Publication date: May 29, 2014Applicant: Samsung Display Co., LtdInventors: DAEHOON SONG, YOUNG-KEUN LEE, JUHWA HA, JIN SEO, JUYOUN SON, SANGHEON YE
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Publication number: 20130314899Abstract: A display device includes first light emitting devices arranged in a line in a protective member, second light emitting devices parallel to and alternately arranged with the first light emitting devices, and optical member supporters in the protective member between the first and second light emitting devices. Each optical member supporter is positioned at a center of a parallelogram defined by two adjacent first light emitting devices and two adjacent second light emitting devices, and each transparent optical member supporter includes a first surface that faces one of the first light emitting devices and a second surface opposite the first surface that faces one of the second light emitting devices. Each optical member supporter includes a plate portion having the first and second surfaces, and a hook portion that extends through the protective member. A width of the plate portion decreases with increasing distance from the hook portion.Type: ApplicationFiled: January 4, 2013Publication date: November 28, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: SANGHEON YE, Juhwa Ha, Daehoon Song, Jaesuk Yoo, Kyu-Hun Shim, Donghoon Jung, Hyunwoo Lee