Patents by Inventor Eui-jeong Kang
Eui-jeong Kang 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: 20160057850Abstract: A display device including a bottom chassis including a bent portion, a light module including a light source on the bent portion, a curved surface display panel on the bottom chassis and on the light module, and a reflector between the curved surface display panel and the bottom chassis, wherein a height between end portions of the bent portion and bottom chassis is greater than a height between central portions of the bent portion and bottom chassis.Type: ApplicationFiled: March 9, 2015Publication date: February 25, 2016Inventors: Eui Jeong Kang, Myung Seok Kwon, So Jeong Na, Young Min Park, Jung Hyun Yang
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Patent number: 9217894Abstract: A backlight assembly includes a first light guide plate, a second light guide plate, a light source part and a cover part. The second light guide plate is spaced apart from the first light guide plate. The light source part includes a first light source providing light to the first light guide plate and a second light source providing light to the second light guide plate. The cover part is disposed over the light source part. The cover part overlaps with a portion of the first light guide plate and a portion of the second light guide plate. A display apparatus having the above configuration has a narrow bezel and a thin profile.Type: GrantFiled: April 10, 2012Date of Patent: December 22, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung-Hwan Chung, Cheol-Yong Noh, Kwang-Jin Jeong, Eui-Jeong Kang, Youn-Ho Han, Jae-Suk Yoo
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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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Patent number: 9164318Abstract: A backlight assembly includes a first light guide plate, a second light guide plate, a light source part and a cover part. The second light guide plate is spaced apart from the first light guide plate. The light source part includes a first light source providing light to the first light guide plate and a second light source providing light to the second light guide plate. The cover part is disposed over the light source part. The cover part overlaps with a portion of the first light guide plate and a portion of the second light guide plate. A display apparatus having the above configuration has a narrow bezel and a thin profile.Type: GrantFiled: April 10, 2012Date of Patent: October 20, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung-Hwan Chung, Cheol-Yong Noh, Kwang-Jin Jeong, Eui-Jeong Kang, Youn-Ho Han, Jae-Suk Yoo
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Publication number: 20150268409Abstract: A display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel.Type: ApplicationFiled: June 4, 2015Publication date: September 24, 2015Inventors: Eui Jeong KANG, Dongmin YEO, Taeho LEE, Yong-Hoon KWON, Min-Young SONG, Seung Hwan BAEK
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Publication number: 20150269894Abstract: A display device includes a display panel configured to display an image corresponding to image data input thereto and be divided into a plurality of display blocks, a backlight unit configured to supply light to the display panel and including a light guide panel and a main light source module which supplies light to the light guide panel, and a luminance boosting unit configured to supply boosted light to the plurality of display blocks based on the image data and including a plurality of light source modules arranged to correspond to the plurality of display blocks, respectively.Type: ApplicationFiled: July 25, 2014Publication date: September 24, 2015Inventors: Ho Sik SHIN, Eui Jeong KANG, Yong Hoon KWON, Jung Hyun KIM, Hee Kwang SONG
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Patent number: 9116278Abstract: A light unit for a display includes: a light guide plate, a plurality of light sources facing a side of the light guide plate and spaced apart from the light guide plate; and a buffering member between the light guide plate and the light source. The buffering member includes: spacing parts positioned respectively between adjacent light sources and contacting the light guide plate, and a blocking part connecting the plurality of spaced parts to each other and facing a side direction of each light source.Type: GrantFiled: November 27, 2013Date of Patent: August 25, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eui Jeong Kang, Hyun-Jeong Kim, Sang Heon Ye, Sang Hoon Lee
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Patent number: 9077987Abstract: A method of displaying a three-dimensional image includes sequentially providing light to display blocks of a display panel in a scan direction of an image, providing light at a maximum luminance to a display block during a first period in which an image for a left-eye or a right-eye is displayed on the display block, providing the light at a luminance gradually decreasing from the maximum luminance to a preset luminance to the display block during a second period in which a transition image between the left-eye or the right-eye image and a black image is displayed on the display block, and blocking the light from the display block during a third period including a period in which the black image is displayed on the display block and prior to a period in which a left-eye or a right-eye image of a following frame is displayed on the display block.Type: GrantFiled: December 16, 2011Date of Patent: July 7, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jun-Pyo Lee, Eui-Jeong Kang, Jae-Eun Um, Hwan-Woong Lee, Kang-Min Kim, Jung-Won Kim
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Patent number: 9075181Abstract: A display apparatus with at least two light guide plates, each including a light incident surface and a light exiting surface, the light guide plates being spaced apart from each other so as to form a gap therebetween. The display apparatus also has a light source disposed adjacent to at least one side portion of the light guide plates to emit light to the light incident surface, a display panel positioned to receive light from the light exiting surfaces to facilitate display of an image, and a diffusion member. The diffusion member covers the gap, so as to diffuse light directed toward the display panel.Type: GrantFiled: June 3, 2013Date of Patent: July 7, 2015Assignee: SAMSUNG DISPLAY CO., LTDInventors: Eui Jeong Kang, Dongmin Yeo, Taeho Lee, Yong-Hoon Kwon, Min-Young Song, Seung Hwan Baek
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Patent number: 9052419Abstract: A display apparatus includes a light guide plate, a light source unit and a display panel. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. The light source unit includes a light source which generates light and is disposed adjacent to the incident and has an emitting surface inclined with respect to the incident surface. An extension line of a normal line of the emitting surface passes through the opposite surface, and the light is incident into the incident surface while being inclined toward the opposite surface. The display panel displays an image by receiving the light emitted from the exit surface.Type: GrantFiled: October 22, 2013Date of Patent: June 9, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Eui Jeong Kang, Juhwa Ha, Hyeeun Park, Cheolyong Noh, Seung Hwan Baek, Yong-Hoon Kwon
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Patent number: 8974070Abstract: A display device includes a display panel which displays an image, a backlight unit which supplies the display panel with light, an upper cover, and a lower cover. The upper and lower covers accommodate the display panel and the backlight unit. The backlight unit includes light guide plates spaced apart from each other, a light source part, an optical member and an optical diffusion member overlapping a space between the light guide plates. The optical diffusion member includes a diffusing part and a supporting part. The diffusing part faces the optical member, overlaps the space between the light guide plates, and diffuses light emitted from the light source part toward the optical member through the space between the light guide plates. The supporting part protrudes from a surface of the diffusing part which is opposite to the optical member, and is in a space between the light sources.Type: GrantFiled: July 31, 2013Date of Patent: March 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung Hwan Baek, Eui Jeong Kang, Chan-Jae Park, Young-keun Lee
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Publication number: 20150029441Abstract: A light unit for a display includes: a light guide plate, a plurality of light sources facing a side of the light guide plate and spaced apart from the light guide plate; and a buffering member between the light guide plate and the light source. The buffering member includes: spacing parts positioned respectively between adjacent light sources and contacting the light guide plate, and a blocking part connecting the plurality of spaced parts to each other and facing a side direction of each light source.Type: ApplicationFiled: November 27, 2013Publication date: January 29, 2015Applicant: Samsung Display Co., Ltd.Inventors: Eui Jeong KANG, Hyun-Jeong KIM, Sang Heon YE, Sang Hoon LEE
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Publication number: 20150023053Abstract: A backlight unit includes a light source. A light guide plate receives light supplied from the light source at an incident light part of the light guide plate. A reflective sheet is positioned below the light guide plate and reflects light upwardly. A diffuser sheet is formed on the light guide plate and diffuses the light to transfer the diffused light upwardly. The diffuser sheet includes a color material, and a concentration of the color material within the diffuser sheet is dependent upon a distance from the incident light part.Type: ApplicationFiled: July 18, 2014Publication date: January 22, 2015Inventors: HYUN-JEONG KIM, EUI JEONG KANG, HYUK-HWAN KIM, SEOK HYUN NAM, KANG-WOO LEE
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Patent number: 8931944Abstract: Display apparatuses are provided. The display apparatus includes a light source package generating light, a circuit board including a recessed region in which the light source package is disposed, a display panel displaying images, and a light guide plate directing the light generated from the light source package onto the display panel. The light guide plate includes a top surface, a bottom surface, and a plurality of sidewall surfaces. One of the sidewall surfaces of the light guide plate is a light incident surface on which the light from the light source package is irradiated. A distance between the light source package and the light incident surface is less than a width of the circuit board.Type: GrantFiled: March 19, 2012Date of Patent: January 13, 2015Assignee: Samsung Display Co., Ltd.Inventors: Joo Woan Cho, Hyun-Hwa Song, Eui Jeong Kang, Seongsik Choi
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Patent number: 8702294Abstract: Provided are a light source unit including a plurality of light-emitting diode (LED) packages, which are directly electrically connected to each other, and a backlight assembly having the light source unit. The light source unit includes a first LED package and a second LED package which are adjacent to each other, wherein each of the first LED package and the second LED package includes an LED chip, a lead frame which supplies current to the LED chip, and a housing which fixes the LED chip and the lead frame in place, wherein an end of the lead frame of the first LED package directly contacts an end of the lead frame of the second LED package.Type: GrantFiled: March 24, 2011Date of Patent: April 22, 2014Assignee: Samsung Display Co., Ltd.Inventors: Young-Keun Lee, Si-Joon Song, Eui-Jeong Kang, Hyun-Cheol Moon, Seung-Hwan Baek
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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: 20140043855Abstract: A backlight assembly includes a receiving container, a light emitting unit and a light guide plate. The receiving container includes a bottom portion, and a sidewall extended from the bottom portion. The light emitting unit is on an inner lateral surface of the sidewall. The light guide plate is in the receiving container and includes a side surface facing the light emitting unit. The light emitting unit includes a light emitting diode package which generates light, a first lead frame and a second lead frame. The first lead frame is electrically connected to a first electrode of the light emitting diode package. The second lead frame is spaced apart from the first lead frame and electrically connected to a second electrode of the light emitting diode package.Type: ApplicationFiled: January 9, 2013Publication date: February 13, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Eui Jeong KANG, Yu-Dong KIM, HYUK-HWAN KIM, SEKI PARK, Si Joon SONG
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Publication number: 20140036542Abstract: A display apparatus includes a light guide plate, a light source unit and a display panel. The light guide plate includes an incident surface, an exit surface and an opposite surface opposite to the exit surface and guides a light incident into the incident surface toward the exit surface. The light source unit includes a light source which generates light and is disposed adjacent to the incident and has an emitting surface inclined with respect to the incident surface. An extension line of a normal line of the emitting surface passes through the opposite surface, and the light is incident into the incident surface while being inclined toward the opposite surface. The display panel displays an image by receiving the light emitted from the exit surface.Type: ApplicationFiled: October 22, 2013Publication date: February 6, 2014Applicant: Samsung Display Co., Ltd.Inventors: Eui Jeong KANG, Juhwa HA, Hyeeun PARK, Cheolyong NOH, Seung Hwan BAEK, Yong-Hoon KWON
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Publication number: 20140009962Abstract: A backlight unit according to an exemplary embodiment of the present disclosure includes a light emitting diode with a substrate, a light emitting unit disposed on the substrate, and a mold frame disposed on the substrate that surrounds the light emitting unit, and a light guide adjacent to the light emitting diode. The light emitting diode includes a light emitting window defined by the mold frame from which light generated by the light emitting unit is emitted, the vertical height of the light emitting window is the same as the thickness of the light guide, and the maximum vertical height of the mold frame is greater than the thickness of the light guide.Type: ApplicationFiled: November 21, 2012Publication date: January 9, 2014Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: EUI JEONG KANG, YU DONG KIM, HYUK HWAN KIM, SEUNG IN BAEK, YOUNG JUN SEO
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Publication number: 20130308343Abstract: A display device includes a display panel which displays an image, a backlight unit which supplies the display panel with light, an upper cover, and a lower cover. The upper and lower covers accommodate the display panel and the backlight unit. The backlight unit includes light guide plates spaced apart from each other, a light source part, an optical member and an optical diffusion member overlapping a space between the light guide plates. The optical diffusion member includes a diffusing part and a supporting part. The diffusing part faces the optical member, overlaps the space between the light guide plates, and diffuses light emitted from the light source part toward the optical member through the space between the light guide plates. The supporting part protrudes from a surface of the diffusing part which is opposite to the optical member, and is in a space between the light sources.Type: ApplicationFiled: July 31, 2013Publication date: November 21, 2013Inventors: Seung Hwan BAEK, Eui Jeong KANG, Chan-Jae PARK, Young-keun LEE