Patents by Inventor Rae-Young Kim
Rae-Young 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: 10175416Abstract: A display apparatus includes a display panel, a light source, a light guide plate, and a receiving part. The display panel is configured to receive light to display an image. The light source is configured to emit the light. The light guide plate is configured to receive and guide the light to the display panel. The receiving part is configured to hold the light source and the light guide plate. The light guide plate includes a first light guide part and a second light guide part. The first light guide part includes a first material. The second light guide part includes a second material different from the first material. The second light guide part has a tapered shape and is coupled to the first light guide part.Type: GrantFiled: June 30, 2015Date of Patent: January 8, 2019Assignee: Samsung Display Co., Ltd.Inventors: Rae-Young Kim, Taek-Sun Shin, Sunhee Oh
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Patent number: 9618675Abstract: A backlight assembly is provided. The backlight assembly includes a light source, a light guide plate, a light collimation unit, and a guide groove. The light guide plate faces the light source in a first direction. The light guide plate includes a first surface on which light emitted from the light source is incident on and a second surface through which the incident light is emitted. The light collimation unit protrudes from an upper surface of the light guide plate and faces the light source. The guide groove is formed in a lower surface of the light guide plate along the first surface of the light guide plate.Type: GrantFiled: January 30, 2015Date of Patent: April 11, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Dong Yeon Kang, Hyoung Joo Kim, Rae Young Kim, Min Young Song
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Patent number: 9618674Abstract: A light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.Type: GrantFiled: January 27, 2014Date of Patent: April 11, 2017Assignee: Samsung Display Co., Ltd.Inventors: Hyoung Joo Kim, Dong Yeon Kang, Rae Young Kim, Min Young Song, Sung Kyu Shim, Sang Duk Lee
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Patent number: 9513429Abstract: The high intensity light output of edge lighting point light sources such as LEDs may generate undesired leakage light that is optically conducted by way of a continuum of the material of a components affixing adhesive member. In accordance with present disclosure, air filled grooves or other such discontinuities are formed in the adhesive member along respective light output pathways of the respective point light sources. One corresponding embodiment comprises spaced apart LEDs mounted on an FPCB; a light guide plate (LGP) disposed adjacent to the LEDs; a main support accommodating the LEDs and the LGP; and an adhesive member formed to affix together the FPCB, the main support, and the light guide, wherein the adhesive member is patterned to define air filled grooves along respective light output pathways of the LEDs.Type: GrantFiled: March 14, 2014Date of Patent: December 6, 2016Assignee: Samsung Display Co., Ltd.Inventors: Dong-Yeol Yeom, Sun Hee Oh, Rae Young Kim, Taek-Sun Shin, Kwang-Wook Choi
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Patent number: 9435927Abstract: Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion. The thickness of the first light transmissive adhesive layer becomes gradually smaller from the light entrance portion toward a center portion of the base sheet. A backlight assembly includes the light guide plate.Type: GrantFiled: February 21, 2014Date of Patent: September 6, 2016Assignee: Samsung Display Co., Ltd.Inventors: Min Young Song, Dong Yeon Kang, Rae Young Kim, Joo Young Kim, Hyoung Joo Kim, Sung Kyu Shim
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Patent number: 9341764Abstract: Provided are a backlight unit and a liquid crystal display including the backlight unit. The backlight unit includes a light emitting package, and a light guide plate disposed at one side of the light emitting package. The light emitting package includes a printed circuit board including first regions that are spaced an interval apart from each other and second regions defined between the first regions, light source units disposed on the first regions of the printed circuit board, dummy wiring patterns disposed on the second regions of the printed circuit board, and wiring patterns disposed on the printed circuit board and electrically connected to the light source units.Type: GrantFiled: September 5, 2014Date of Patent: May 17, 2016Assignee: Samsung Display Co., Ltd.Inventors: Rae Young Kim, Myoung Seok Son, Taek Sun Shin, Sun Hee Oh, Kwang Wook Choi
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Publication number: 20160077268Abstract: A display apparatus includes a display panel, a light source, a light guide plate, and a receiving part. The display panel is configured to receive light to display an image. The light source is configured to emit the light. The light guide plate is configured to receive and guide the light to the display panel. The receiving part is configured to hold the light source and the light guide plate. The light guide plate includes a first light guide part and a second light guide part. The first light guide part includes a first material. The second light guide part includes a second material different from the first material. The second light guide part has a tapered shape and is coupled to the first light guide part.Type: ApplicationFiled: June 30, 2015Publication date: March 17, 2016Inventors: Rae-Young KIM, Taek-Sun SHIN, Sunhee OH
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Publication number: 20150369987Abstract: A backlight assembly is provided. The backlight assembly includes a light source, a light guide plate, a light collimation unit, and a guide groove. The light guide plate faces the light source in a first direction. The light guide plate includes a first surface on which light emitted from the light source is incident on and a second surface through which the incident light is emitted. The light collimation unit protrudes from an upper surface of the light guide plate and faces the light source. The guide groove is formed in a lower surface of the light guide plate along the first surface of the light guide plate.Type: ApplicationFiled: January 30, 2015Publication date: December 24, 2015Inventors: DONG YEON KANG, Hyoung Joo Kim, Rae Young Kim, Min Young Song
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Patent number: 9188729Abstract: A prism sheet includes: a first portion including a prism elongated in a first direction; and a second portion including a prism elongated in a second direction different from the first direction. The second direction is vertical to a light incident surface of a light guide plate of a backlight unit, a light source of the backlight unit faces the light incident surface of the light guide plate, and the prism sheet overlaps a light emitting surface of the light guide plate.Type: GrantFiled: July 15, 2013Date of Patent: November 17, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eui Jeong Kang, So Jeong La, Rae-Young Kim, Seung-Mo Kim, Young-Jun Seo, Sun Hee Oh
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Publication number: 20150289367Abstract: Provided are a backlight unit and a liquid crystal display including the backlight unit. The backlight unit includes a light emitting package, and a light guide plate disposed at one side of the light emitting package. The light emitting package includes a printed circuit board including first regions that are spaced an interval apart from each other and second regions defined between the first regions, light source units disposed on the first regions of the printed circuit board, dummy wiring patterns disposed on the second regions of the printed circuit board, and wiring patterns disposed on the printed circuit board and electrically connected to the light source units.Type: ApplicationFiled: September 5, 2014Publication date: October 8, 2015Inventors: Rae Young KIM, Myoung Seok SON, Taek Sun SHIN, Sun Hee OH, Kwang Wook CHOI
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Publication number: 20150219817Abstract: A light guide panel may include a first surface, a second surface overlapping the first surface, and a third surface oriented at an angle with respect to the second surface. The first surface may include a first face, a second face, a third face connected between the first face and the second face, and a first light-scattering structure positioned at a first portion of the second face. A distance between the first face and the second surface may be unequal to a distance between the second face and the second surface. The third face may not be parallel to the first face and may not be parallel to the second face.Type: ApplicationFiled: June 9, 2014Publication date: August 6, 2015Inventors: Hyoung Joo KIM, Rae Young KIM, Dong Yeon KANG, Min Young SONG, Sung Kyu SHIM
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Patent number: 9063372Abstract: Provided is a back-light unit. The back-light unit includes: a reflective layer; a light transmitting plate including a plurality of light emitting diodes; and an optical member disposed on the light transmitting plate and separated from the light transmitting plate with an air layer therebetween, in which light generated from the light emitting diode is reflected to the reflective layer and then passes through the light transmitting plate to reach the optical member.Type: GrantFiled: April 11, 2013Date of Patent: June 23, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung In Baek, Rae-Young Kim, Sun Hee Oh, Sang Woo Ha
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Publication number: 20150124197Abstract: The high intensity light output of edge lighting point light sources such as LEDs may generate undesired leakage light that is optically conducted by way of a continuum of the material of a components affixing adhesive member. In accordance with present disclosure, air filled grooves or other such discontinuities are formed in the adhesive member along respective light output pathways of the respective point light sources. One corresponding embodiment comprises spaced apart LEDs mounted on an FPCB; a light guide plate (LGP) disposed adjacent to the LEDs; a main support accommodating the LEDs and the LGP; and an adhesive member formed to affix together the FPCB, the main support, and the light guide, wherein the adhesive member is patterned to define air filled grooves along respective light output pathways of the LEDs.Type: ApplicationFiled: March 14, 2014Publication date: May 7, 2015Applicant: Samsung Display Co., Ltd.Inventors: Dong-Yeol YEOM, Sun Hee OH, Rae Young KIM, Taek-Sun SHIN, Kwang-Wook CHOI
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Publication number: 20150098249Abstract: Disclosed is a light guide plate including a base sheet and a first light transmissive adhesive layer disposed on a surface of the base sheet. The first light transmissive adhesive layer together with the base sheet define a light entrance portion. The thickness of the first light transmissive adhesive layer becomes gradually smaller from the light entrance portion toward a center portion of the base sheet. A backlight assembly includes the light guide plate.Type: ApplicationFiled: February 21, 2014Publication date: April 9, 2015Applicant: Samsung Display Co., Ltd.Inventors: Min Young SONG, Dong Yeon KANG, Rae Young KIM, Joo Young KIM, Hyoung Joo KIM, Sung Kyu SHIM
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Publication number: 20150092440Abstract: A Light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.Type: ApplicationFiled: January 27, 2014Publication date: April 2, 2015Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hyoung Joo KIM, Dong Yeon KANG, Rae Young KIM, Min Young SONG, Sung Kyu SHIM, Sang Duk LEE
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Patent number: 8920014Abstract: A backlight unit includes a light guide plate and a light source unit. The light guide plate includes an exit surface which has a polygonal shape, a lower surface which faces the exit surface, and side surfaces which connect the exit surface and the lower surface. The light guide plate guides a light such that that light exits from the exit surface. The light source unit includes a plurality of light sources which provide the light to the light guide plate. The light guide plate includes a protrusion which protrudes from an end of the lower surface in a direction opposite to the exit surface. The protrusion includes a first inclination surface which is connected to one of the side surfaces, and a second inclination surface which connects the first inclination surface and the lower surface to each other.Type: GrantFiled: January 4, 2012Date of Patent: December 30, 2014Assignee: Samsung Display Co., Ltd.Inventors: Seungin Baek, Taek-Sun Shin, Rae-Young Kim, Jinsung Choi
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Publication number: 20140104870Abstract: A prism sheet includes: a first portion including a prism elongated in a first direction; and a second portion including a prism elongated in a second direction different from the first direction. The second direction is vertical to a light incident surface of a light guide plate of a backlight unit, a light source of the backlight unit faces the light indicent surface of the light guide plate, and the prism sheet overlaps a light emitting surface of the light guide plate.Type: ApplicationFiled: July 15, 2013Publication date: April 17, 2014Inventors: Eui Jeong KANG, So Jeong LA, Rae-Young KIM, Seung-Mo KIM, Young-Jun SEO, Sun Hee OH
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Publication number: 20140078775Abstract: A display device includes a display panel and a backlight unit. The display panel alternately displays a left-eye image and a right-eye image during successive frame periods in a three-dimensional mode. The backlight unit includes a light source including a plurality of light emitting blocks and a light guide. The light guide includes a plurality of lenticular patterns formed on a first surface thereof and a plurality of light guide patterns formed on a second surface thereof. The lenticular patterns and the light guide patterns are extended in a first direction and arranged in a second direction crossing the first direction.Type: ApplicationFiled: January 25, 2013Publication date: March 20, 2014Applicant: Samsung Display Co., Ltd.Inventors: Sangwon LEE, Seungin BAEK, Gicherl KIM, Rae-Young KIM, Tae Yong RYU, Sunhee OH, Jinsung CHOI
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Publication number: 20140022490Abstract: Provided is a back-light unit. The back-light unit includes: a reflective layer; a light transmitting plate including a plurality of light emitting diodes; and an optical member disposed on the light transmitting plate and separated from the light transmitting plate with an air layer therebetween, in which light generated from the light emitting diode is reflected to the reflective layer and then passes through the light transmitting plate to reach the optical member.Type: ApplicationFiled: April 11, 2013Publication date: January 23, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seung In BAEK, Rae-Young KIM, Sun Hee OH, Sang Woo HA
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Patent number: 8425104Abstract: A display apparatus includes; a plurality of light sources which emit a light, a display panel which displaying an image using the light, a light guide plate which guides the light emitted from the light sources to the display panel, and a plurality of reflection members that are spaced apart from each other and coupled with a first side of the light guide plate and a second side of the light guide plate facing the first side to reflect light traveling inside the light guide plate to the first and second sides, wherein the plurality of light sources include; a plurality of first light sources, each of the plurality of first light sources being arranged corresponding to an area between two adjacent reflection members of the plurality of reflection members on the first side and a plurality of second light sources each being arranged corresponding to an area between two reflection members on the second side.Type: GrantFiled: May 18, 2010Date of Patent: April 23, 2013Assignee: Samsung Display Co., Ltd.Inventors: Taek-Sun Shin, Seunghwan Chung, Seungin Baek, Jaejoong Kwon, Young-Min Park, Dong-Yeol Yeom, Kwang-Wook Choi, Rae-Young Kim