Patents by Inventor Seong Man Jeon
Seong Man Jeon 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: 8854285Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel, an optical sheet provided on a rear surface of the liquid crystal panel, an interface disposed on a rear surface of the liquid crystal panel, a power receiver disposed on the rear surface of the liquid crystal panel, a memory card and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light, an inverter for supplying alternating current to the lamp, a connector for receiving third image data from external equipment, and an interface converter for applying the third image data to the interface of the liquid crystal module.Type: GrantFiled: February 25, 2010Date of Patent: October 7, 2014Assignee: LG Display Co., Ltd.Inventors: Eui-Yeol Oh, Nam-Yong Kong, Ki-Duk Kim, Seong-Man Jeon, Tae-Ho You, Hee-Jeong Park
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Patent number: 8581943Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel, an optical sheet provided on a rear surface of the liquid crystal panel, an interface disposed on a rear surface of the liquid crystal panel, a power receiver disposed on the rear surface of the liquid crystal panel, a memory card and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light, an inverter for supplying alternating current to the lamp, a connector for receiving third image data from external equipment, and an interface converter for applying the third image data to the interface of the liquid crystal module.Type: GrantFiled: February 25, 2010Date of Patent: November 12, 2013Assignee: LG Display Co., Ltd.Inventors: Eui-Yeol Oh, Nam-Yong Kong, Ki-Duk Kim, Seong-Man Jeon, Tae-Ho You, Hee-Jeong Park
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Patent number: 7898501Abstract: A mobile terminal having a flat panel display device includes: a body unit having an input device; a display unit connected to the body unit; an extended display unit connected to the display unit using a hinge such that the display unit and the extended display unit are folded/unfolded; a first flat panel display device formed in the display unit; and a second flat panel display device in the extended display unit.Type: GrantFiled: September 30, 2005Date of Patent: March 1, 2011Assignee: LG Display Co., Ltd.Inventors: Myong-Gi Jang, Nam-Yong Kong, Seong-Man Jeon, Soon-Shin Jung, Eun-Ju Kim
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Publication number: 20100149087Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel, an optical sheet provided on a rear surface of the liquid crystal panel, an interface disposed on a rear surface of the liquid crystal panel, a power receiver disposed on the rear surface of the liquid crystal panel, a memory card and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light, an inverter for supplying alternating current to the lamp, a connector for receiving third image data from external equipment, and an interface converter for applying the third image data to the interface of the liquid crystal module.Type: ApplicationFiled: February 25, 2010Publication date: June 17, 2010Inventors: Eui-Yeol OH, Nam-Yong KONG, Ki-Duk KIM, Seong-Man JEON, Tae-Ho YOU, Hee-Jeong PARK
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Publication number: 20100149417Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel, an optical sheet provided on a rear surface of the liquid crystal panel, an interface disposed on a rear surface of the liquid crystal panel, a power receiver disposed on the rear surface of the liquid crystal panel, a memory card and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light, an inverter for supplying alternating current to the lamp, a connector for receiving third image data from external equipment, and an interface converter for applying the third image data to the interface of the liquid crystal module.Type: ApplicationFiled: February 25, 2010Publication date: June 17, 2010Inventors: Eui-Yeol OH, Nam-Yong Kong, Ki-Duk Kim, Seong-Man Jeon, Tae-Ho You, Hee-Jeong Park
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Patent number: 7683865Abstract: A detachable liquid crystal display device includes a liquid crystal module and a cradle. The liquid crystal module includes a liquid crystal panel; an optical sheet provided on a rear surface of the liquid crystal panel; an interface disposed on a rear surface of the liquid crystal panel; a power receiver disposed on the rear surface of the liquid crystal panel; a memory card; and a timing controller for receiving second image data from external devices and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel. The cradle includes a lamp emitting light; an inverter for supplying alternating current to the lamp; a connector for receiving third image data from external equipment; and an interface converter for applying the third image data to the interface of the liquid crystal module.Type: GrantFiled: December 29, 2004Date of Patent: March 23, 2010Assignee: LG Display Co., Ltd.Inventors: Eui-Yeol Oh, Nam-Yong Kong, Ki-Duk Kim, Seong-Man Jeon, Tae-Ho You, Hee-Jeong Park
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Patent number: 7649589Abstract: A liquid crystal display module device includes a light-guide plate, a lamp disposed along one side of the light-guide plate, and a plurality of lamp holders enclosing opposing end portions of the lamps, wherein the lamp holders include transparent material.Type: GrantFiled: December 23, 2003Date of Patent: January 19, 2010Assignee: LG Display Co., Ltd.Inventors: Je Hong Kim, Seong Man Jeon
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Patent number: 7566146Abstract: A backlight unit includes a case; a first reflector on a surface of the case; a light source disposed on the first reflector; and a second reflector having a first reflective portion and a second reflective portion along first and second sides of the case.Type: GrantFiled: June 13, 2006Date of Patent: July 28, 2009Assignee: LG Display Co., Ltd.Inventor: Seong Man Jeon
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Patent number: 7307676Abstract: A liquid crystal display module arranged to improve brightness and light efficiency of a direct-below-type back light unit. The liquid crystal display module includes a plurality of lamps; a reflection plate arranged to accommodate the plurality of lamps; a plurality of first triangular protrusions protruded from the reflection plate between the lamps; a diffusion plate on the reflection plate; an optical film on the diffusion plate; and a liquid crystal display panel on the optical film.Type: GrantFiled: October 14, 2004Date of Patent: December 11, 2007Assignee: LG. Philips LCD Co., Ltd.Inventor: Seong Man Jeon
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Patent number: 7298434Abstract: A liquid crystal display device has a uniform viewing angle and a reduced cost of a production. The liquid crystal display device includes a light guide plate converting the light from a lamp into a surface light to irradiate the liquid crystal display panel. Multiple patterns, each of the patterns being formed in the light guide plate, have a first curvature of a first sectional surface and a second curvature of a second sectional surface which are different from each other.Type: GrantFiled: September 30, 2004Date of Patent: November 20, 2007Assignee: LG.Philips LCD Co., LtdInventor: Seong Man Jeon
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Patent number: 7229193Abstract: A backlight unit, suitable for a large sized LCD device, includes a plurality of fluorescent lamps alternately provided under an LCD panel in at least two parts, formed by dividing a light-emitting surface. Adjacent end parts of the fluorescent lamps are overlapped partially. Each fluorescent lamp is shorter than a length (e.g., horizontal dimension) of the light-emitting surface. A reflective plate is provided below the plurality of fluorescent lamps, and has a rugged part underlying the overlapped portion of the fluorescent lamps. Alternatively or in addition, a light-scattering pattern can be provided in a portion of a light-scattering means, over the overlapped portion of the fluorescent lamps. The rugged part and/or light-scattering pattern prevents obscure rays in the overlapped portion and improves a uniformity of luminance of the backlight unit.Type: GrantFiled: September 29, 2004Date of Patent: June 12, 2007Assignee: LG. Philips LCD Co., Ltd.Inventor: Seong Man Jeon
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Publication number: 20060291205Abstract: A light emitting diode is provided which includes an emitting portion on a base portion and a lens portion covering the emitting portion and having a slanted upper surface. The slanted upper surface has a reversed cone shape and has a slanted angle of about 55 to 85 degrees with respect to a center axis of the emitting portion.Type: ApplicationFiled: June 23, 2006Publication date: December 28, 2006Inventor: Seong-Man Jeon
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Patent number: 7104679Abstract: There is provided a backlight unit that is capable of making it possible to highly condense light while simultaneously reducing costs. A backlight unit according to an embodiment of the present invention includes a light source for generating light; a lamp housing installed to cover the light source and for reflecting the light; and a light guide panel whereon there are formed a plurality of engraved patterns with a specific gap and a specific depth at the lower surface thereof, and wherein the vertical angle of the engraved pattern, which faces an out-coming surface of the light guide panel, is in a range of 30˜95°. Accordingly, it can be applicable to display panels of various sizes and a picture is improved at the same time. Also, in the backlight unit, it is possible to get rid of at least one of a prism sheet, a diffusion sheet and a reflecting sheet, thereby reducing costs.Type: GrantFiled: December 23, 2002Date of Patent: September 12, 2006Assignee: LG. Philips LCD Co., Ltd.Inventors: Hyun Ho Shin, Je Hong Kim, Seong Man Jeon
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Publication number: 20060125784Abstract: A mobile terminal having a flat panel display device includes: a body unit having an input device; a display unit connected to the body unit; an extended display unit connected to the display unit using a hinge such that the display unit and the extended display unit are folded/unfolded; a first flat panel display device formed in the display unit; and a second flat panel display device in the extended display unit.Type: ApplicationFiled: September 30, 2005Publication date: June 15, 2006Inventors: Myong-Gi Jang, Nam-Yong Kong, Seong-Man Jeon, Soon-Shin Jung, Eun-Ju Kim
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Publication number: 20060010403Abstract: A portable multimedia device is provided that includes a video output unit for displaying images, an audio output unit overlapping a portion of the video output unit, and a driver circuit unit for operating the video output unit and the audio output unit. The video output unit includes a liquid crystal panel. The audio output unit includes at least one speaker module including an electromagnet and a diaphragm.Type: ApplicationFiled: June 16, 2005Publication date: January 12, 2006Inventor: Seong-Man Jeon
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Publication number: 20050168422Abstract: A detachable liquid crystal display device which includes a liquid crystal module that is adapted to be coupled with a cradle, the liquid crystal module including a) a liquid crystal panel; b) an optical sheet provided on a rear surface of the liquid crystal panel; c) an interface disposed on a rear surface of the liquid crystal panel for receiving first image data and image control signals; d) a power receiver disposed on the rear surface of the liquid crystal panel for receiving electrical power; e) a memory card for storing the first image data; and f) a timing controller for receiving second image data from external devices in accordance with the image control signals and permitting the first image data stored in the memory card to be displayed in the liquid crystal panel.Type: ApplicationFiled: December 29, 2004Publication date: August 4, 2005Applicant: LG.PHILIPS LCD CO. LTD.Inventors: Eui-Yeol Oh, Nam-Yong Kong, Ki-Duk Kim, Seong-Man Jeon, Tae-Ho You, Hee-Jeong Park
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Publication number: 20040183956Abstract: A liquid crystal display module device includes a light-guide plate, a lamp disposed along one side of the light-guide plate, and a plurality of lamp holders enclosing opposing end portions of the lamps, wherein the lamp holders include transparent material.Type: ApplicationFiled: December 23, 2003Publication date: September 23, 2004Applicant: LG.PHILIPS LCD CO., LTDInventors: Je Hong Kim, Seong Man Jeon
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Patent number: 6729737Abstract: The present invention discloses a backlight device for a liquid crystal display device, which includes at least a lamp; at least a lamp housing surrounding the lamp and having an opening on a side; at least a light guide plate connected to the opening of the lamp housing, the light guide plate guiding light from the lamp; a reflector arranged on the rear surface of the light guide plate, the reflector reflecting the light from the lamp in a direction to the light guide plate; a pre-collimator disposed in the lamp housing between the lamp and the light guide plate; a diffusion sheet disposed on the front surface of the light guide plate; and a prism sheet disposed on the diffusion sheet.Type: GrantFiled: June 19, 2002Date of Patent: May 4, 2004Assignee: LG.Philips LCD Co., Ltd.Inventors: Seong-Man Jeon, Je-Hong Kim
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Publication number: 20030117793Abstract: There is provided a backlight unit that is capable of making it possible to highly condense light while simultaneously reducing costs. A backlight unit according to an embodiment of the present invention includes a light source for generating light; a lamp housing installed to cover the light source and for reflecting the light; and a light guide panel whereon there are formed a plurality of engraved patterns with a specific gap and a specific depth at the lower surface thereof, and wherein the vertical angle of the engraved pattern, which faces an out-coming surface of the light guide panel, is in a range of 30˜95°. Accordingly, it can be applicable to display panels of various sizes and a picture is improved at the same time. Also, in the backlight unit, it is possible to get rid of at least one of a prism sheet, a diffusion sheet and a reflecting sheet, thereby reducing costs.Type: ApplicationFiled: December 23, 2002Publication date: June 26, 2003Inventors: Hyun Ho Shin, Je Hong Kim, Seong Man Jeon
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Publication number: 20030081402Abstract: The present invention discloses a backlight device for a liquid crystal display device, which includes at least a lamp; at least a lamp housing surrounding the lamp and having an opening on a side; at least a light guide plate connected to the opening of the lamp housing, the light guide plate guiding light from the lamp; a reflector arranged on the rear surface of the light guide plate, the reflector reflecting the light from the lamp in a direction to the light guide plate; a pre-collimator disposed in the lamp housing between the lamp and the light guide plate; a diffusion sheet disposed on the front surface of the light guide plate; and a prism sheet disposed on the diffusion sheet.Type: ApplicationFiled: June 19, 2002Publication date: May 1, 2003Inventors: Seong-Man Jeon, Je-Hong Kim