Patents by Inventor Kun-ho Cho
Kun-ho Cho 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: 10133119Abstract: An illuminating apparatus includes a support member comprising a light source support member having four corner areas; and a light emitter that is disposed on a surface of the light source support member, the light emitter including one or more light emitting modules, wherein each of the light emitting module comprises a strip-shaped printed circuit board (PCB) mounted on the light source support member and a plurality of light source packages that is mounted on the strip-shaped PCB and generates light; and four corner side extending portions that configure a portion of any one of one or more the light emitting modules and are extended toward the four corner areas of the light source support member.Type: GrantFiled: July 12, 2017Date of Patent: November 20, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-min Lee, Kye-hoon Lee, Yong-hun Kwon, Jong-hoi Kim, Kun-ho Cho, Suk-ju Choi
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Patent number: 10067385Abstract: A display device having a structure capable of improving brightness “Mura” and color “Mura” that may be generated in a direct type backlight unit has a structure in which a plurality of light sources are arranged in a pattern similar to a square arrangement along the edges of the backlight unit, and in a pattern similar to a triangle arrangement within an intermediate region of the backlight unit, and a connector for connecting a cable disposed on a Printed Circuit Board (PCB) is disposed on the rear side of the PCB such that the connector does not influence “Mura” of the backlight unit.Type: GrantFiled: March 24, 2016Date of Patent: September 4, 2018Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Pil Jeon, Suk-Ju Choi, Jong-Hoi Kim, Yong-Hun Kwon, Kun Ho Cho
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Publication number: 20170307938Abstract: An illuminating apparatus includes a support member comprising a light source support member having four corner areas; and a light emitter that is disposed on a surface of the light source support member, the light emitter including one or more light emitting modules, wherein each of the light emitting module comprises a strip-shaped printed circuit board (PCB) mounted on the light source support member and a plurality of light source packages that is mounted on the strip-shaped PCB and generates light; and four corner side extending portions that configure a portion of any one of one or more the light emitting modules and are extended toward the four corner areas of the light source support member.Type: ApplicationFiled: July 12, 2017Publication date: October 26, 2017Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-min LEE, Kye-hoon LEE, Yong-hun KWON, Jong-hoi KIM, Kun-ho CHO, Suk-ju CHOI
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Patent number: 9733516Abstract: An illuminating apparatus includes a support member comprising a light source support member having four corner areas; and a light emitter that is disposed on a surface of the light source support member, the light emitter including one or more light emitting modules, wherein each of the light emitting module comprises a strip-shaped printed circuit board (PCB) mounted on the light source support member and a plurality of light source packages that is mounted on the strip-shaped PCB and generates light; and four corner side extending portions that configure a portion of any one of one or more the light emitting modules and are extended toward the four corner areas of the light source support member.Type: GrantFiled: February 4, 2014Date of Patent: August 15, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-min Lee, Kye-hoon Lee, Yong-hun Kwon, Jong-hoi Kim, Kun-ho Cho, Suk-ju Choi
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Patent number: 9709783Abstract: A display apparatus includes a display main body having a screen and a bezel that surrounds the screen, and a bezel hiding member mounted on the bezel to cover the bezel. The bezel hiding member includes a body portion configured to refract an image light that emitted from an edge region of the screen, and a plurality of prism projections formed to project from the body portion to change a path of the refracted image light to a front side of the display main body.Type: GrantFiled: March 28, 2014Date of Patent: July 18, 2017Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-hoi Kim, Kun-ho Cho, Yong-hun Kwon, Yae-kyung Son, Young-min Lee, Suk-ju Choi
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Patent number: 9519168Abstract: A display apparatus is provided. The display apparatus includes a display panel which displays an image; a top chassis and a bottom chassis which house the display panel; and a plurality of light-emitting boards which are installed on an inner surface of the bottom chassis, each of the light-emitting boards including a main printed circuit board (PCB) that extends in a longitudinal direction and light source packages installed on the main PCB, and the light source packages are arranged to be farther from a first longitudinal edge of the main PCB than a second longitudinal edge of the main PCB.Type: GrantFiled: April 24, 2013Date of Patent: December 13, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Suk-ju Choi, Kye-hoon Lee, Yong-hun Kwon, Young-min Lee, Kun-ho Cho, Gil-tae Hur
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Publication number: 20160282670Abstract: A display device having a structure capable of improving brightness “Mura” and color “Mura” that may be generated in a direct type backlight unit has a structure in which a plurality of light sources are arranged in a pattern similar to a square arrangement along the edges of the backlight unit, and in a pattern similar to a triangle arrangement within an intermediate region of the backlight unit, and a connector for connecting a cable disposed on a Printed Circuit Board (PCB) is disposed on the rear side of the PCB such that the connector does not influence “Mura” of the backlight unit.Type: ApplicationFiled: March 24, 2016Publication date: September 29, 2016Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong Pil JEON, Suk-Ju CHOI, Jong-Hoi KIM, Yong-Hun KWON, Kun Ho CHO
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Patent number: 9366398Abstract: A backlight unit (BLU) and a liquid crystal display apparatus having the BLU are provided. The BLU includes a plurality of light-emitting diodes (LEDs) configured to emit blue light, a fluorescent member configured to convert the blue light emitted from the plurality of LEDs into tricolor light and emit the tricolor light, and a filter disposed between the fluorescent member and the plurality of LEDs, and configured to selectively filter a first wavelength area of the tricolor light emitted from the fluorescent member toward the plurality of LEDs, and reflect a second wavelength area of the tricolor light emitted from the fluorescent member toward an output direction.Type: GrantFiled: March 18, 2014Date of Patent: June 14, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Na-won Jang, Kun-ho Cho
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Patent number: 9239481Abstract: A liquid crystal display module includes a bottom chassis comprising a lower surface including at least one fastening hole disposed along a first direction; a printed circuit board comprising a first surface supported by the lower surface of the bottom chassis, a second surface opposite to the first surface, and at least one opening hole corresponding to the at least one fastening hole of the bottom chassis; a plurality of light emitting diodes mounted on the second surface of the printed circuit board; and at least one fastening member comprising a head part inserted into the at least one opening hole of the printed circuit board so as not to be protruded outwardly from the second surface of the printed circuit board, and a fastening part disposed in and affixed to the at least one fastening hole.Type: GrantFiled: September 3, 2013Date of Patent: January 19, 2016Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sun Mi Jung, Jeong Il Kang, Kun Ho Cho
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Patent number: 9201266Abstract: A backlight unit is provided which includes: a light guide plate which guides incident light from a lateral side of the light guide plate toward a liquid crystal display (LCD) panel placed in front of the light guide plate; a light source unit which includes a light source which emits the light and a light source supporting member which supports the light source and is arranged adjacent to the lateral side of the light guide plate; a supporting frame which is arranged in the backlight unit; a quantum dot (QD) bar which is arranged between the lateral side of the light guide plate and the light source and changes a color of the light emitted from the light source; and a QD-bar fastening unit which fastens the QD bar to at least one of the light source supporting member and the supporting frame.Type: GrantFiled: May 2, 2012Date of Patent: December 1, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gil-tae Hur, Hyeong-sik Choi, Kun-ho Cho, Jeong-phil Seo, Yong-hun Kwon, Kye-hoon Lee, Suk-ju Choi, Young-min Lee
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Patent number: 9087470Abstract: A 3D image display apparatus includes a first display panel which alternately displays a left eye image and a right eye image, a second display panel having a plurality of pixels including a left eye pixel and a right eye pixel, a backlight unit which is disposed at a back side of the second display panel, a lens array which is disposed at a front side of the second display panel and has a plurality of lenticular lenses dividing light emitted from the backlight unit into a left eye visual field and a right eye visual field and emitting the divided light, and a control unit which controls on and off of the left eye pixel and the right eye pixel of the second display panel according to a time when the left eye image and the right eye image are displayed.Type: GrantFiled: September 23, 2011Date of Patent: July 21, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gil-tae Hur, Kun-ho Cho, Yong-hun Kwon, Kye-hoon Lee, Suk-ju Choi, Young-min Lee
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Publication number: 20150116852Abstract: A display apparatus includes a display main body having a screen and a bezel that surrounds the screen, and a bezel hiding member mounted on the bezel to cover the bezel. The bezel hiding member includes a body portion configured to refract an image light that emitted from an edge region of the screen, and a plurality of prism projections formed to project from the body portion to change a path of the refracted image light to a front side of the display main body.Type: ApplicationFiled: March 28, 2014Publication date: April 30, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jong-hoi KIM, Kun-ho CHO, Yong-hun KWON, Yae-kyung SON, Young-min LEE, Suk-ju CHOI
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Patent number: 8979294Abstract: A curved display device is provided including a display panel having a constant curvature and displaying an image, a backlight unit having the same curvature as that of the display panel, disposed at a rear surface of the display panel, and emitting light to the display panel, and a control unit locally controlling light emission of the backlight unit such that luminance of a light leakage region of the display panel is adjusted. Occurrence of light leakage in the curved display device is prevented, and thus, luminance of the curved display device is kept constant.Type: GrantFiled: July 29, 2013Date of Patent: March 17, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Jun Seok An, Chan Hong Park, Kun Ho Cho
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Publication number: 20150055058Abstract: A backlight unit (BLU) and a liquid crystal display apparatus having the BLU are provided. The BLU includes a plurality of light-emitting diodes (LEDs) configured to emit blue light, a fluorescent member configured to convert the blue light emitted from the plurality of LEDs into tricolor light and emit the tricolor light, and a filter disposed between the fluorescent member and the plurality of LEDs, and configured to selectively filter a first wavelength area of the tricolor light emitted from the fluorescent member toward the plurality of LEDs, and reflect a second wavelength area of the tricolor light emitted from the fluorescent member toward an output direction.Type: ApplicationFiled: March 18, 2014Publication date: February 26, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Na-won JANG, Kun-ho CHO
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Publication number: 20150049283Abstract: A display apparatus and a control method thereof are provided. The display apparatus includes: a power supply which supplies power to elements of the display apparatus; a mirror which is switchable between a mirror mode and a transparency mode; and a controller which controls the power supply. When power is shut off from the mirror, the mirror operates in the mirror mode, and when power is supplied to the mirror, the mirror operates in the transparency mode.Type: ApplicationFiled: March 21, 2014Publication date: February 19, 2015Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Ju-seong HWANG, Kun-ho CHO, Hyeong-sik CHOI
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Publication number: 20140354914Abstract: An illuminating apparatus includes a support member comprising a light source support member having four corner areas; and a light emitter that is disposed on a surface of the light source support member, the light emitter including one or more light emitting modules, wherein each of the light emitting module comprises a strip-shaped printed circuit board (PCB) mounted on the light source support member and a plurality of light source packages that is mounted on the strip-shaped PCB and generates light; and four corner side extending portions that configure a portion of any one of one or more the light emitting modules and are extended toward the four corner areas of the light source support member.Type: ApplicationFiled: February 4, 2014Publication date: December 4, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Young-min LEE, Kye-hoon LEE, Yong-hun KWON, Jong-hoi KIM, Kun-ho CHO, Suk-ju CHOI
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Patent number: 8888351Abstract: A display apparatus and a backlight assembly are provided. The display apparatus includes a display panel; and a backlight unit disposed on a rear surface of the display panel and discharging light to the display panel, the backlight unit comprising white light emitting diodes (LEDs) and Quantum Dot (QD) LEDs.Type: GrantFiled: March 26, 2012Date of Patent: November 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Young-min Lee, Kye-hoon Lee, Kun-ho Cho, Jeong-phil Seo, Yong-hun Kwon, Gil-tae Hur, Suk-ju Choi
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Patent number: 8820995Abstract: A back light unit and an image display device are disclosed. The image display device includes a first reflection pattern and a second reflection pattern which are disposed on a plate at a predetermined interval from a light source and which pass light having an acute angle emitted by the light source.Type: GrantFiled: May 28, 2009Date of Patent: September 2, 2014Assignee: Samsung Electronics Co., LtdInventors: Jun-mo Yoo, Kun-ho Cho
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Patent number: 8816955Abstract: A display apparatus includes a liquid crystal panel; a light guide plate disposed at a rear side of the liquid crystal panel; at least one LED module disposed in at least one side of the light guide plate and including a plurality of LEDs; a driver which drives the plurality of LEDs; an image analyzer which analyzes an input image; and a switch unit which turns off at least one LED among the plurality of LEDs while a remainder of the plurality of LEDs are being driven by the driver, according to a result of the analyzing the input image, wherein the at least one LED is disposed closer to a corner of the liquid crystal panel than the remainder of the plurality of LEDs.Type: GrantFiled: July 11, 2011Date of Patent: August 26, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-il Kang, Kun-ho Cho
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Patent number: RE48053Abstract: A liquid crystal display (LCD) includes a cover assembly; a liquid crystal panel; a light guide plate configured to guide light to the liquid crystal panel; a printed circuit board (PCB) to which the light guide plate is mounted; and a light emitting diode (LED) package which is mounted on the PCB and emits light to a lateral side of the light guide plate. The PCB includes a base substrate; a connecting hole which is formed in the base substrate to couple the base substrate to the cover assembly with a connecting member; an insulating layer which is coated on the base substrate while avoiding a head part of the connecting member; and a spacer tape which is provided on an upper side of the insulating layer so that the light guide plate is evenly mounted on the PCB.Type: GrantFiled: July 8, 2016Date of Patent: June 16, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Suk Ju Choi, Kun Ho Cho, Yong Hun Kwon, Kye Hoon Lee, Gil Tae Hur, Young Min Lee