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).
-
Patent number: 8773617Abstract: 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: March 13, 2012Date of Patent: July 8, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Suk Ju Choi, Kun Ho Cho, Yong Hun Kwon, Kye Hoon Lee, Gil Tae Hur, Young Min Lee
-
Patent number: 8773618Abstract: A light emitting unit and a liquid crystal display apparatus including the same are provided. The light emitting unit includes a light source unit which generates light, and a driving board which drives the light source unit. The light source unit includes a light source which generates the light, a container member which forms an opening therein and which contains the light source within the opening, and a fluorescent member mounted in the opening of the container member. The light source and the florescent member are spaced apart.Type: GrantFiled: March 16, 2012Date of Patent: July 8, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong-phil Seo, Gil-tae Hur, Yong-hun Kwon, Kye-hoon Lee, Young-min Lee, Kun-ho Cho, Suk-ju Choi
-
Publication number: 20140078720Abstract: 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: ApplicationFiled: July 29, 2013Publication date: March 20, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jun Seok AN, Chan Hong Park, Kun Ho Cho
-
Patent number: 8665398Abstract: An apparatus includes a chassis assembly; a liquid crystal display panel; a light guide plate configured to guide light to the liquid crystal display panel; a light emitting diode (LED) module including a printed circuit board (PCB), a plurality of LED packages which are mounted on the PCB and emit light to a lateral side of the light guide plate, and a connector connected to the PCB such that the connector is located behind the light guide plate; and a white strip member disposed between the PCB of the LED module and the light guide plate. An edge portion of a bottom surface of the light guide plate is supported by the PCB.Type: GrantFiled: December 18, 2012Date of Patent: March 4, 2014Assignee: Samsung Electronics Co., Ltd.Inventors: Suk Ju Choi, Kun Ho Cho, Yong Hun Kwon, Kye Hoon Lee, Gil Tae Hur, Young Min Lee
-
Publication number: 20140009718Abstract: A liquid crystal display is provided. The liquid crystal display includes a liquid crystal panel, a light guide plate disposed below the liquid crystal panel, and a light source unit which emits light to at least one side surface of the light guide plate. The light source unit includes light source elements which are disposed adjacent to the at least one side surface of the light guide plate, and which emit light that is incident on the at least one side surface of the light guide plate. A printed circuit board is disposed adjacent to a lower surface of the light guide plate and supports the light source elements.Type: ApplicationFiled: September 9, 2013Publication date: January 9, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gil Tae HUR, Kun Ho CHO, Yong Hun KWON, Kye Hoon LEE, Suk Ju CHOI
-
Publication number: 20140002765Abstract: 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: ApplicationFiled: September 3, 2013Publication date: January 2, 2014Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sun Mi JUNG, Jeong Il KANG, Kun Ho CHO
-
Patent number: 8599329Abstract: A liquid crystal display device has a liquid crystal display module, including: a bottom chassis having a bottom side on which an open hole is formed, a printed circuit board adjacent to the open hole and supported at an inner face of the bottom side on which a plurality of light emitting diodes are is mounted, and a coupling part which extends from the printed circuit board, passes through the open hole and contacts an outer face of the bottom side of the bottom chassis, so as to maintain coupling between the bottom chassis and the printed circuit board.Type: GrantFiled: September 15, 2011Date of Patent: December 3, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Jeong Il Kang, Kun Ho Cho
-
Publication number: 20130278860Abstract: 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: ApplicationFiled: April 24, 2013Publication date: October 24, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Suk-ju CHOI, Kye-hoon LEE, Yong-hun KWON, Young-min LEE, Kun-ho CHO, Gil-tae HUR
-
Publication number: 20130258717Abstract: A backlight unit includes a light guiding plate; a light source module that is disposed in at least one side of the light guiding plate and includes a plurality of light sources emitting light toward a side surface of the light guiding plate; an under chassis supporting the light guiding plate and the light source module; and a gap maintaining unit maintaining a gap of a constant width between the side surface of the light guiding plate and the plurality of light sources of the light source module when a length of the light guiding plate is changed.Type: ApplicationFiled: December 5, 2012Publication date: October 3, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gil-tae HUR, Nae-won JANG, Young-chul KIM, Kun-ho CHO, Hyeong-sik CHOI
-
Patent number: 8547498Abstract: A liquid crystal display is provided. The liquid crystal display includes a liquid crystal panel, a light guide plate disposed below the liquid crystal panel, and a light source unit which emits light to at least one side surface of the light guide plate. The light source unit includes light source elements which are disposed adjacent to the at least one side surface of the light guide plate, and which emit light that is incident on the at least one side surface of the light guide plate. A printed circuit board is disposed adjacent to a lower surface of the light guide plate and supports the light source elements.Type: GrantFiled: September 2, 2011Date of Patent: October 1, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Gil Tae Hur, Kun Ho Cho, Yong Hun Kwon, Kye Hoon Lee, Suk Ju Choi
-
Patent number: 8547497Abstract: A liquid crystal display module includes fastening members which fix a printed circuit board to a bottom chassis via support members including receipt parts into which the fastening members are inserted such that head parts of the fastening members are not protruded from an upper surface of the printed circuit board, thereby preventing the fastening members from damaging structures provided around the fastening members.Type: GrantFiled: October 13, 2011Date of Patent: October 1, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Sun Mi Jung, Jeong Il Kang, Kun Ho Cho
-
Publication number: 20130242612Abstract: A light guide panel (LGP) is provided, which includes a front surface, a rear surface, and four edge surfaces, in which rays of light emitted from light sources are introduced through at least one of the four edge surfaces, a plurality of lenticular patterns formed on one of the front surface and the rear surface, and a plurality of light emitting patterns which induce the rays of light emitted from the light sources toward the front surface. The plurality of light emitting patterns are integrally formed with the plurality of lenticular patterns.Type: ApplicationFiled: February 21, 2013Publication date: September 19, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dae-hee LEE, Do-hyeon BAEK, Kil-hong LEE, Young-chol LEE, Myung-ryul JUNG, Kun-ho CHO, Byoung-jin CHO, Hyeong-sik CHOI, Sin-wook HYUNG
-
Publication number: 20130050616Abstract: A light emitting unit and a liquid crystal display apparatus including the same are provided. The light emitting unit includes a light source unit which generates light, and a driving board which drives the light source unit. The light source unit includes a light source which generates the light, a container member which forms an opening therein and which contains the light source within the opening, and a fluorescent member mounted in the opening of the container member. The light source and the florescent member are spaced apart.Type: ApplicationFiled: March 16, 2012Publication date: February 28, 2013Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jeong-phil SEO, Gil-tae HUR, Yong-hun KWON, Kye-hoon LEE, Young-min LEE, Kun-ho CHO, Suk-ju CHOI
-
Publication number: 20130050612Abstract: 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: ApplicationFiled: May 2, 2012Publication date: February 28, 2013Applicant: 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
-
Patent number: 8358387Abstract: 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 18, 2012Date of Patent: January 22, 2013Assignee: Samsung Electronics Co., Ltd.Inventors: Suk Ju Choi, Kun Ho Cho, Yong Hun Kwon, Kye Hoon Lee, Gil Tae Hur, Young Min Lee
-
Publication number: 20120307518Abstract: 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: ApplicationFiled: March 26, 2012Publication date: December 6, 2012Applicant: 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
-
Publication number: 20120281165Abstract: 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: ApplicationFiled: July 18, 2012Publication date: November 8, 2012Applicant: Samsung Electronics Co., Ltd.Inventors: Suk Ju CHOI, Kun Ho CHO, Yong Hun KWON, Kye Hoon LEE, Gil Tae HUR, Young Min LEE
-
Publication number: 20120236231Abstract: 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: ApplicationFiled: March 13, 2012Publication date: September 20, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Suk Ju CHOI, Kun Ho CHO, Yong Hun KWON, Kye Hoon LEE, Gil Tae HUR, Young Min LEE
-
Publication number: 20120236406Abstract: A display apparatus is provided. The display apparatus includes a display panel which alternately displays a left-eye image and a right-eye image, a backlight unit which includes a plurality of different types of light sources and which is disposed on a rear surface of the display panel to emit light toward the display panel, a driving unit which drives the backlight unit, and a control unit which controls the different types of light sources to be used to display the left-eye image and the right-eye image, respectively.Type: ApplicationFiled: March 6, 2012Publication date: September 20, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Gil-tae HUR, Kun-ho CHO, Jeong-phil SEO, Yong-hun KWON, Kye-hoon LEE, Suk-ju CHOI, Young-min LEE
-
Patent number: RE43743Abstract: A projection-type image display apparatus having a structure adapted so that the efficiency of the use of light and resolving power thereof can be enhanced. The projection-type image display apparatus includes a light source; a color separation unit separating incident rays according to predetermined wavelengths, and directing the separated rays at different angles; a lens array dividing the rays separated by the color separation unit into predetermined pixels; a driving portion driving the lens array to change the proceeding paths of the color rays; a polarizing beam splitter changing a proceeding path of incident rays depending on a direction of polarization; a reflection-type display device producing a color image using the rays entering via the polarizing beam splitter, and reflecting the color image toward the polarizing beam splitter; and a projection lens unit magnifying and projecting an incident image onto a screen. In addition, the projection-type image display apparatus may comprise.Type: GrantFiled: April 15, 2005Date of Patent: October 16, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Kun-ho Cho, Seung-Tae Jung, Jang-hoon Yoo, Chul-woo Lee