Patents by Inventor Ki Hyuk Yoon
Ki Hyuk Yoon 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: 9188788Abstract: A 3-dimensional displaying apparatus includes an image displaying panel having a plurality of pixels and a backlight panel spaced apart from one surface of the image displaying panel. The backlight panel includes a first line source set having a plurality of line sources arranged at regular intervals and a second line source set having line sources arranged spaced apart from the respective line sources of the first line source set by a predetermined interval. The first line source set and the second line source set are driven alternately. Thus, in a case where a horizontal location of an observer varies, the change of brightness of image information and the crosstalk between adjacent visual fields are minimized, and pseudo-stereoscopic vision is prevented. Also, the irregularity of brightness distribution in a visual field may be solved.Type: GrantFiled: April 25, 2011Date of Patent: November 17, 2015Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20150181206Abstract: The present disclosure relates to a 3-dimensional displaying apparatus using line light sources, which includes: a display panel having a plurality of pixels; a backlight panel having a plurality of line light sources disposed to be spaced apart from each other by a predetermined distance, the backlight panel being spaced apart from one surface of the display panel; and a distance-adjusting unit for adjusting a distance between the backlight unit and the display panel. According to the present disclosure, it is possible to display autostereoscopic images which may minimize the quality deterioration of the 3-dimensional images according to the change of distance from an observer to the 3-dimensional displaying apparatus, which is a problem of a displaying apparatus implementing 3-dimensional images by using a general parallax separating unit.Type: ApplicationFiled: January 8, 2015Publication date: June 25, 2015Applicant: Korea Institute of Science and TechnologyInventors: Sung Kyu KIM, Ki Hyuk YOON
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Publication number: 20150181205Abstract: The present disclosure relates to a 3-dimensional displaying apparatus using line light sources, which includes: a display panel having a plurality of pixels; a backlight panel having a plurality of line light sources disposed to be spaced apart from each other by a predetermined distance, the backlight panel being spaced apart from one surface of the display panel; and a distance-adjusting unit for adjusting a distance between the backlight unit and the display panel. According to the present disclosure, it is possible to display autostereoscopic images which may minimize the quality deterioration of the 3-dimensional images according to the change of distance from an observer to the 3-dimensional displaying apparatus, which is a problem of a displaying apparatus implementing 3-dimensional images by using a general parallax separating unit.Type: ApplicationFiled: January 8, 2015Publication date: June 25, 2015Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu KIM, Ki Hyuk YOON
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Patent number: 8953105Abstract: The present disclosure relates to a 3-dimensional displaying apparatus using line light sources, which includes: a display panel having a plurality of pixels; a backlight panel having a plurality of line light sources disposed to be spaced apart from each other by a predetermined distance, the backlight panel being spaced apart from one surface of the display panel; and a distance-adjusting unit for adjusting a distance between the backlight unit and the display panel. According to the present disclosure, it is possible to display autostereoscopic images which may minimize the quality deterioration of the 3-dimensional images according to the change of distance from an observer to the 3-dimensional displaying apparatus, which is a problem of a displaying apparatus implementing 3-dimensional images by using a general parallax separating unit.Type: GrantFiled: April 5, 2012Date of Patent: February 10, 2015Assignee: Korea Institute of Science and TechnologyInventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20150029317Abstract: The present invention relates to a device for displaying a multi-view 3D image by using viewing zone expansion that is applicable to multiple observers, and to a method for same, comprising: an image display panel for displaying a 3D image; a control portion for controlling an image view of each 3D pixel line; and a system for tracking the position of the pupils of both eyes of the observer, wherein each of the 3D pixel lines provide at a multi-view of at least four views, and the control portion selects first and second views that are close to the center of each of the pupils of both eyes of the observer for each viewing zone of the view formed by each of the 3D pixel lines and provides one image view from both eyes of the observer to the first view, by using three dimensional coordinates of the position of the pupils of both eyes of the observer that are determined by the system for tracking the position of the pupils of both eyes of the observer.Type: ApplicationFiled: August 8, 2012Publication date: January 29, 2015Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20150015681Abstract: The present invention relates to a 3D image display device and includes an image display panel for displaying a 3D image, a control unit for controlling a viewpoint image, and a viewer position tracking system for determining the position of a viewer's pupil and transmitting positional information to the control unit, wherein the image display panel provides multiple viewpoints such as four or more viewpoints, and the intersection of the viewing zone for any one of the multiple viewpoints with the field of view of an adjacent viewpoint is at least 85% of the maximum brightness of one viewpoint.Type: ApplicationFiled: August 8, 2012Publication date: January 15, 2015Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20140333678Abstract: Disclosed is an image display apparatus for switching a two-dimensional (2D) mode and a three-dimensional (3D) mode. The image display apparatus includes a display panel in which pixels are arranged, a back light line source arranged so as to be spaced apart from the display panel, a fixed light diffusion plate arranged between the display panel and the back light line source, and a control unit controlling to switch the 2D mode and the 3D mode, wherein 3D line sources forming at least one set are arranged in the back light line source so as to be spaced apart from each other at regular intervals, and a 2D line source is arranged between the 3D line sources arranged so as to be spaced apart from each other.Type: ApplicationFiled: December 6, 2013Publication date: November 13, 2014Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu KIM, Ki Hyuk YOON
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Publication number: 20140232837Abstract: Disclosed is a multi-view three-dimensional (3D) image display apparatus using a modified common viewing zone. The multi-view 3D image display apparatus may use a modified common viewing zone between a central viewing zone (common viewing zone) of the multi-view 3D image display apparatus and a central viewing zone (parallel viewing zone) of a 3D image display apparatus employing an integral photography method, or form a common viewing zone at an optimum viewing distance (OVD) of the multi-view 3D image display apparatus and use a modified common viewing zone in an area beyond the OVD.Type: ApplicationFiled: December 5, 2013Publication date: August 21, 2014Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu KIM, Ki Hyuk YOON
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Publication number: 20130194252Abstract: An autostereoscopic 3D image display device using time division is provided. The image display device includes a backlight, an image display panel, a controller, and a viewer position tracking system. The backlight includes a plurality of line sources which are disposed at certain intervals. The image display panel displays a 3D image. The controller controls the backlight and a viewing-point image of the image display panel. The viewer position tracking system determines pupil position of a viewer and transfers position information to the controller. The image display panel provides two or more viewing points. The line sources configure three or more line source sets that are separately driven. The controller adjusts a viewing-point width of a unit viewing point and the distance between adjacent viewing points to be 1.5 or more times the distance between both eyes of a viewer.Type: ApplicationFiled: November 30, 2012Publication date: August 1, 2013Inventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20130181895Abstract: An autostereoscopic 3D image display device using time division is provided. The image display device includes a backlight, an image display panel, a controller, and a viewer position tracking system. The backlight includes a plurality of line sources which are disposed at certain intervals. The image display panel displays a 3D image. The controller controls the backlight and a viewing point image of the image display panel. The viewer position tracking system determines a pupil position of a viewer and transfers position information to the controller. The image display panel provides two or more viewing points. The line sources configure two or more line source sets that are separately driven at the same time. The two or more line source sets are sequentially driven.Type: ApplicationFiled: November 30, 2012Publication date: July 18, 2013Inventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20130088486Abstract: Provided are a three-dimensional (3D) image display apparatus and a 3D image display method performed in the same. The 3D image display apparatus using a line light source includes a light source substrate formed by disposing a plurality of point light sources on a plane, a lenticular lens sheet spaced a predetermined interval from the light source substrate, a control unit configured to control the plurality of point light sources of the light source substrate to form line light sources spaced a predetermined interval from the lenticular lens sheet, and a display panel spaced a predetermined interval from the line light sources formed by the control unit.Type: ApplicationFiled: July 12, 2012Publication date: April 11, 2013Inventors: Ki Hyuk YOON, Sung Kyu KIM, Seon Kyu YOON
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Publication number: 20130027909Abstract: The present disclosure relates to a 3-dimensional displaying apparatus using line light sources, which includes: a display panel having a plurality of pixels; a backlight panel having a plurality of line light sources disposed to be spaced apart from each other by a predetermined distance, the backlight panel being spaced apart from one surface of the display panel; and a distance-adjusting unit for adjusting a distance between the backlight unit and the display panel. According to the present disclosure, it is possible to display autostereoscopic images which may minimize the quality deterioration of the 3-dimensional images according to the change of distance from an observer to the 3-dimensional displaying apparatus, which is a problem of a displaying apparatus implementing 3-dimensional images by using a general parallax separating unit.Type: ApplicationFiled: April 5, 2012Publication date: January 31, 2013Inventors: Sung Kyu Kim, Ki Hyuk Yoon
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Publication number: 20120242568Abstract: A 3-dimensional displaying apparatus includes an image displaying panel having a plurality of pixels and a backlight panel spaced apart from one surface of the image displaying panel. The backlight panel includes a first line source set having a plurality of line sources arranged at regular intervals and a second line source set having line sources arranged spaced apart from the respective line sources of the first line source set by a predetermined interval. The first line source set and the second line source set are driven alternately. Thus, in a case where a horizontal location of an observer varies, the change of brightness of image information and the crosstalk between adjacent visual fields are minimized, and pseudo-stereoscopic vision is prevented.Type: ApplicationFiled: April 25, 2011Publication date: September 27, 2012Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu KIM, Ki Hyuk YOON
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Patent number: 7911696Abstract: A large scale polarizer having one or more quartz substrate parts formed as a rectangle, a triangle, or a parallelogram, and a polarizer holder supporting the quartz substrate part. The polarizer holder may be in a lattice structure holding a plurality of quartz substrate parts. A polarizer system employing the large scale polarizer includes a lens making an incident light to a parallel light, the large scale polarizer, and a moving control part coupled to and moving the large scale polarizer.Type: GrantFiled: July 17, 2000Date of Patent: March 22, 2011Assignee: LG Display Co., Ltd.Inventors: Jae Beom Choi, Byung Duck Song, Ki Hyuk Yoon
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Patent number: 7440061Abstract: The present invention discloses an IPS-LCD device. The IPS-LCD device according to the present invention implements a multi-domain for a liquid crystal layer. The liquid crystal molecules are aligned in various directions with respect to each different domain. Therefore, the different domains compensate for one another such that a color shift is prevented in spite of wide viewing angles. To form the multi-domain, the present invention provides a plurality of dielectric protrusions.Type: GrantFiled: February 17, 2006Date of Patent: October 21, 2008Assignee: LG Display Co., Ltd.Inventors: Jang-Jin Yoo, Hyung-Ki Hong, Ki-Hyuk Yoon
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Patent number: 7145618Abstract: A method is disclosed for controlling a pretilt angle direction for a liquid crystal cell comprising the steps of first setting the magnitude of pretilt angle and a plurality of pretilt angle directions in an alignment layer. This first step is achieved by irradiating linearly the alignment layer with polarized or unpolarized UV light. One of the plurality of pretilt angle directions is then selected by exposing the alignment layer to UV light a second time.Type: GrantFiled: August 11, 2003Date of Patent: December 5, 2006Assignee: LG.Philips LCD Co., LtdInventors: Yuriy Reznikov, Oleg Yaroshchuk, Joung Won Woo, Yoo Jin Choi, Ki Hyuk Yoon, Mi Sook Nam, Jong Hyun Kim, Soon Bum Kwon
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Patent number: 7075607Abstract: A liquid crystal cell having a first substrate with a rubbed layer provided thereon, a second substrate with a photo-aligned layer provided thereon, and a liquid crystal material provided between the substrates.Type: GrantFiled: June 26, 2001Date of Patent: July 11, 2006Inventors: Jong Hyun Kim, Ki Hyuk Yoon, Joung Won Woo, Mi Sook Nam, Yoo Jin Choi, Kyeong Jin Kim
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Publication number: 20060139550Abstract: The present invention discloses an IPS-LCD device. The IPS-LCD device according to the present invention implements a multi-domain for a liquid crystal layer. The liquid crystal molecules are aligned in various directions with respect to each different domain. Therefore, the different domains compensate for one another such that a color shift is prevented in spite of wide viewing angles. To form the multi-domain, the present invention provides a plurality of dielectric protrusions.Type: ApplicationFiled: February 17, 2006Publication date: June 29, 2006Inventors: Jang-Jin Yoo, Hyung-Ki Hong, Ki-Hyuk Yoon
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Patent number: 7061679Abstract: A light irradiating device for a photo-alignment process comprises an optical system and a first polarizer polarizing the light from the optical system. The light from the first polarizer is obliquely irradiated at an angle with respect to a normal direction of a stage on which a substrate is placed.Type: GrantFiled: November 3, 1999Date of Patent: June 13, 2006Assignee: LG. Philips LCD Co., Ltd.Inventors: Ki Hyuk Yoon, Young Seok Choi, Byung Duck Song, Soon Bum Kwon
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Patent number: 7030954Abstract: The present invention discloses an IPS-LCD device. The IPS-LCD device according to the present invention implements a multi-domain for a liquid crystal layer. The liquid crystal molecules are aligned in various directions with respect to each different domain. Therefore, the different domains compensate for one another such that a color shift is prevented in spite of wide viewing angles. To form the multi-domain, the present invention provides a plurality of dielectric protrusions.Type: GrantFiled: July 19, 2004Date of Patent: April 18, 2006Assignee: LG.Philips LCD Co., Ltd.Inventors: Jang-Jin Yoo, Hyung-Ki Hong, Ki-Hyuk Yoon