Patents by Inventor Chan-Jae Park
Chan-Jae Park 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: 9950234Abstract: The present invention relates to a sound generator for golf practice and includes: a main body having a sound generating portion from which sound is generated and a curved portion for supporting a golf club; and gripping means for keeping the golf club fixed to the curved portion. This sound generator has a structure from which sound is varied according to the speed of a swing as air enters in the direction in which a golf club is swung. Thus, a user can listen to the sound and increase or reduce the speed of a swing to conveniently practice golf.Type: GrantFiled: June 16, 2015Date of Patent: April 24, 2018Inventor: Chan-Jae Park
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Patent number: 9952374Abstract: A display device includes a display panel, a light guide plate disposed under the display panel, a light source which provides a side surface of the light guide plate with incident light, a reflective plate disposed under the light guide plate, a first optical adjustment member which includes first scattering particles which scatter a first color wavelength range of the incident light into a first value and scatter a second color wavelength range of the incident light into a second value, and a second optical adjustment member which includes second scattering particles which scatter the first color wavelength range of the incident light into a third value and scatter the second color wavelength range of the incident light into a fourth value.Type: GrantFiled: June 29, 2016Date of Patent: April 24, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyun-hwa Song, Chan-jae Park, Hayoung Lee, Seunghwan Chung
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Publication number: 20170276854Abstract: A display device includes a backlight unit and a display panel disposed on the backlight unit. The backlight unit includes a light source unit and an optical unit disposed between the light source unit and the display panel. The optical unit includes an alignment layer, quantum rods disposed on the alignment layer, and an accommodation part configured to accommodate the alignment layer and the quantum rods.Type: ApplicationFiled: March 20, 2017Publication date: September 28, 2017Inventors: Chan-jae Park, Taeho Lee, Hyun-hwa Song, Seunghwan Baek
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Patent number: 9766497Abstract: A curved backlight unit includes: a light source module; and a light source enhancing member disposed on the light source module, the light source module includes: a substrate; a light emitting part disposed on the substrate; a first reflecting sheet spaced apart from the light emitting part by a predetermined distance and enclosing the light emitting part; a second reflecting sheet contacting the first reflecting sheet; and a wavelength converting part fixed between the first reflecting sheet and the second reflecting sheet and overlapped with the light emitting part.Type: GrantFiled: November 24, 2015Date of Patent: September 19, 2017Assignee: Samsung Display Co., Ltd.Inventors: Seung Hwan Baek, So Jeong La, Chan-Jae Park, Yeong Bae Lee
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Publication number: 20170216699Abstract: The present invention relates to a sound generator for golf practice and includes: a main body having a sound generating portion from which sound is generated and a curved portion for supporting a golf club; and gripping means for keeping the golf club fixed to the curved portion. This sound generator has a structure from which sound is varied according to the speed of a swing as air enters in the direction in which a golf club is swung.Type: ApplicationFiled: June 16, 2015Publication date: August 3, 2017Inventor: Chan-Jae Park
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Publication number: 20170184783Abstract: A display apparatus includes a display panel displaying an image by using light, light source units arranged in a first direction to generate the light, a light guide plate which guides the light to the display panel, a first fixing member fixing a predetermined area of an upper portion of each of the plurality of light source units to a first area of one side surface of the light guide plate adjacent to a top surface of the light guide plate in a second direction crossing the first direction, and a second fixing member fixing a predetermined area of a lower portion of each of the plurality of light source units to a second area of the one side surface of the light guide plate adjacent to a bottom surface of the light guide plate in the second direction where each of the first and second fixing members includes a light reflection material.Type: ApplicationFiled: August 4, 2016Publication date: June 29, 2017Inventors: Chan-jae PARK, Junwoo YOU, Taeho LEE, Byoungdae YE
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Patent number: 9671546Abstract: Provided are a backlight assembly and a display device having the same. A backlight assembly includes a light source unit which emits light, a light guide plate (LGP) including an incident surface upon which light emitted from the light source unit is incident, an opposite surface which faces the incident surface, and an exit surface which connects the incident surface and the opposite surface and from which light incident upon the incident surface exits, a wavelength conversion member which is located on the exit surface and converts a wavelength of light output from the exit surface, and a first reflective member which is located on the opposite surface and reflects light incident upon the opposite surface, wherein the first reflective member includes a plurality of first color patterns which face the opposite surface.Type: GrantFiled: June 5, 2014Date of Patent: June 6, 2017Assignee: Samsung Display Co., Ltd.Inventors: Seung Hwan Baek, Dong Hoon Kim, Seok Hyun Nam, Chan Jae Park, Dong Hyeon Lee, Yeong Bae Lee
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Publication number: 20170153377Abstract: A display device includes a display panel, a light guide plate disposed under the display panel, a light source which provides a side surface of the light guide plate with incident light, a reflective plate disposed under the light guide plate, a first optical adjustment member which includes first scattering particles which scatter a first color wavelength range of the incident light into a first value and scatter a second color wavelength range of the incident light into a second value, and a second optical adjustment member which includes second scattering particles which scatter the first color wavelength range of the incident light into a third value and scatter the second color wavelength range of the incident light into a fourth value.Type: ApplicationFiled: June 29, 2016Publication date: June 1, 2017Inventors: Hyun-hwa SONG, Chan-jae PARK, Hayoung LEE, Seunghwan CHUNG
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Publication number: 20170097457Abstract: A display device including a backlight unit and a display panel disposed on the backlight unit. The backlight unit includes a light guide plate, a wavelength conversion layer, and a cover member. The light source unit is disposed adjacent to a surface of the light guide plate. The wavelength conversion layer is disposed between the light source unit and the light guide plate, and contacts the surface of the light guide plate. The cover member is disposed between the light source unit and the light guide plate, and seals the wavelength conversion layer.Type: ApplicationFiled: May 5, 2016Publication date: April 6, 2017Inventors: Chan-jae PARK, Seunghwan BAEK, Sangduk LEE
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Patent number: 9594202Abstract: A backlight device for use in a display device includes a light source device and a light diffusion member. The light source device includes a plurality of light sources. The light diffusion member includes a light transmission body and reflectors. The light transmission body includes a light receiving surface facing a first one of the light sources for receiving the light emitted from the first light source and a light output surface facing away from the light receiving surface for outputting the light transmitted through the light transmission body. The reflectors are attached to the light transmission body and include first and second reflection surfaces oriented such that the light received from the first light source through the light receiving surface is reflected by the first and second reflection surfaces while the light passes through the light transmission body toward the light output surface.Type: GrantFiled: July 25, 2014Date of Patent: March 14, 2017Assignee: Samsung Display Co., Ltd.Inventors: Chan Jae Park, Seung Hwan Baek, Hwan Jun Sung
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Publication number: 20170059766Abstract: A display device includes a first display panel including a display surface defined by first and second directions, a second display panel spaced apart from the first display panel in a third direction perpendicular to the display surface, and a backlight unit disposed between the first and second display panels to provide a light to the first and second display panels. The backlight unit includes a light emitting element, a first exit light guide plate, a second exit light guide plate spaced apart from the first exit light guide plate, a first light-division light guide member, and a second light-division light guide member.Type: ApplicationFiled: May 18, 2016Publication date: March 2, 2017Inventors: Chan-jae PARK, Hyun-hwa SONG, Seunghwan BAEK
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Patent number: 9541783Abstract: A display device includes a bottom chassis on which a light source is disposed, a light guide plate disposed on the bottom chassis and configured to guide light emitted from the light source to a display panel, an optical sheet on the light guide plate, a mold frame coupled to the bottom chassis and including a support unit on which the display panel is disposed, and a light conversion shielding member disposed on a surface of the support unit of the mold frame having a side portion that extends down from the support unit and covers a side surface of the optical sheet.Type: GrantFiled: June 26, 2015Date of Patent: January 10, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Hwan Baek, Seul Gi Kim, Yeong Bae Lee, Seok Hyun Nam, Chan Jae Park
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Publication number: 20160231623Abstract: A curved backlight unit includes: a light source module; and a light source enhancing member disposed on the light source module, the light source module includes: a substrate; a light emitting part disposed on the substrate; a first reflecting sheet spaced apart from the light emitting part by a predetermined distance and enclosing the light emitting part; a second reflecting sheet contacting the first reflecting sheet; and a wavelength converting part fixed between the first reflecting sheet and the second reflecting sheet and overlapped with the light emitting part.Type: ApplicationFiled: November 24, 2015Publication date: August 11, 2016Inventors: Seung Hwan BAEK, So Jeong LA, Chan-Jae PARK, Yeong Bae LEE
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Publication number: 20160216435Abstract: A curved display device includes a display panel having a curved shape and including a display area having a curved surface, and a backlight assembly providing a light to the display panel. The backlight assembly includes at least one light source arranged to emit the light and a light guiding member positioned and arranged to guide the light to the display panel. The light guiding member includes at least two light guiding parts spaced apart from each other with a gap therebetween, the light source being disposed in the gap.Type: ApplicationFiled: January 22, 2016Publication date: July 28, 2016Inventors: Chan-jae Park, Taeho Lee, Seki Park, Sangho Hwang
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Publication number: 20160178810Abstract: An optical film is provided. The optical film includes a base film and a cover film. The base film includes a base member and a plurality of lens patterns disposed on the base member. The plurality of lens patterns protrudes from the base member and extends in a first direction. The cover film is disposed on the base film to cover the base member and the plurality of lens patterns. A refractive index of at least one of the lens patterns is smaller than a refractive index of the cover film. An aspect ratio of the at least one of the lens patterns ranges from 0.8 to 1.6.Type: ApplicationFiled: April 29, 2015Publication date: June 23, 2016Inventors: SEUNG HWAN CHUNG, JU YOUN SON, JOONG HYUN KIM, CHAN JAE PARK
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Publication number: 20160085109Abstract: A display device includes a bottom chassis on which a light source is disposed, a light guide plate disposed on the bottom chassis and configured to guide light emitted from the light source to a display panel, an optical sheet on the light guide plate, a mold frame coupled to the bottom chassis and including a support unit on which the display panel is disposed, and a light conversion shielding member disposed on a surface of the support unit of the mold frame having a side portion that extends down from the support unit and covers a side surface of the optical sheet.Type: ApplicationFiled: June 26, 2015Publication date: March 24, 2016Inventors: SEUNG HWAN BAEK, SEUL GI KIM, YEONG BAE LEE, SEOK HYUN NAM, CHAN JAE PARK
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Patent number: 9278491Abstract: A light emitting unit may include a housing having a bottom portion parallel to an xz plane and an opened top opposite to the bottom portion, a light emitting chip on the bottom portion and generating light, and a lens which overlaps the opened top of the housing. The lens may have a convex structure with respect to the xz plane when viewed from a cross section parallel to an xy plane and a concave structure with respect to the xz plane when viewed from a cross section parallel to a yz plane.Type: GrantFiled: January 17, 2012Date of Patent: March 8, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Young-keun Lee, Chan-Jae Park, Sang-Chul Byun, Myeong-Ju Shin, Suchang Ryu
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Publication number: 20150309367Abstract: A display device includes a display panel including a display surface on which an image is displayed and a rear surface opposite to the display surface, and a backlight unit which is under the display panel and supplies a light to the display panel. The backlight unit includes a light source unit which emits a first light in a direction taken from the display surface to the rear surface, a reflection sheet which reflects the first light, and an active layer which is between the light source unit and the reflection sheet and includes a scattering particle which scatters the first light.Type: ApplicationFiled: January 19, 2015Publication date: October 29, 2015Inventors: Chan-Jae PARK, SEOKHYUN NAM, Seung Hwan BAEK, Yeongbae LEE
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Publication number: 20150285981Abstract: A backlight device for use in a display device includes a light source device and a light diffusion member. The light source device includes a plurality of light sources. The light diffusion member includes a light transmission body and reflectors. The light transmission body includes a light receiving surface facing a first one of the light sources for receiving the light emitted from the first light source and a light output surface facing away from the light receiving surface for outputting the light transmitted through the light transmission body. The reflectors are attached to the light transmission body and include first and second reflection surfaces oriented such that the light received from the first light source through the light receiving surface is reflected by the first and second reflection surfaces while the light passes through the light transmission body toward the light output surface.Type: ApplicationFiled: July 25, 2014Publication date: October 8, 2015Inventors: Chan Jae Park, Seung Hwan Baek, Hwan Jun Sung
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Patent number: 9110212Abstract: A light source module includes a light source unit which generates a light; a light emitting part spaced apart from the light source unit and comprising a light emitting surface; and a light transmitting part which transmits the light generated by the light source unit to the light emitting part. The light emitting part emits the light transmitted by the light transmitting part, through the light emitting surface.Type: GrantFiled: November 17, 2012Date of Patent: August 18, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chan-Jae Park, Seung-Hwan Baek, Youn-Ho Han, Seok-Hyun Nam, Sang-Won Lee, Young-Keun Lee