Patents by Inventor Hee Jin Im
Hee Jin Im 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: 10974578Abstract: A door impact beam is provided. The beam includes a beam body that has a W-shaped cross section and a reinforcement portion. The reinforcement portion is disposed in middle of the beam body and has a width greater than that of the beam body. Additionally, the reinforcement portion has first and second edges that are symmetrically convex with respect to a central axis of the beam body and the first and second edges have a curved streamlined shape.Type: GrantFiled: October 31, 2018Date of Patent: April 13, 2021Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hee Jin Im, Hyun Sup Kim
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Publication number: 20200001690Abstract: A door impact beam is provided. The beam includes a beam body that has a W-shaped cross section and a reinforcement portion. The reinforcement portion is disposed in middle of the beam body and has a width greater than that of the beam body. Additionally, the reinforcement portion has first and second edges that are symmetrically convex with respect to a central axis of the beam body and the first and second edges have a curved streamlined shape.Type: ApplicationFiled: October 31, 2018Publication date: January 2, 2020Inventors: Hee Jin Im, Hyun Sup Kim
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Patent number: 8964135Abstract: Disclosed is stereoscopic display device in which barriers crossing each other are formed on two substrates and voltage is applied to the barrier pattern to drive liquid crystals between the two substrates such that one of the barriers is selectively driven, enabling selective implementation of 3-dimensional (3D) display and dual view display.Type: GrantFiled: November 30, 2010Date of Patent: February 24, 2015Assignee: LG Display Co., Ltd.Inventors: Sung Woo Kim, Jong Hoon Woo, Hee Jin Im
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Patent number: 8581815Abstract: Disclosed is a display device adapted to selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image is disclosed. The display device includes a liquid crystal panel displaying an image; a polarizer disposed on the liquid crystal panel; a liquid crystal lens disposed on the polarizer; and a polarizing member interposed between the liquid crystal lens and the liquid crystal panel, wherein an axis of light transmitted through the liquid crystal lens coincides with an optical axis of the polarizer. Accordingly, the display device can selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image, while improving the picture quality and the brightness.Type: GrantFiled: October 24, 2008Date of Patent: November 12, 2013Assignee: LG Display Co., Ltd.Inventors: Hyung Ki Hong, Hee Jin Im
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Patent number: 8502930Abstract: Disclosed are an electrically-driven liquid crystal lens which includes a light shade to be switched on/off according to whether or not voltage is applied, reducing a cell gap of a liquid crystal layer, and a stereoscopic display device using the same, the electrically-driven liquid crystal lens includes first and second substrates opposite each other and each including plural lens regions and a light shade provided at a boundary of each lens region, first electrodes formed in a given direction on the first substrate in each lens region, a second electrode formed on the second substrate and having an aperture corresponding to the light shade, first and second light shade switching electrodes formed at the light shade and extending parallel to the first electrodes, a liquid crystal layer between both the substrates, and a polarizer plate formed above the second substrate and having a first transmission axis.Type: GrantFiled: November 30, 2010Date of Patent: August 6, 2013Assignee: LG Display Co., Ltd.Inventor: Hee Jin Im
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Patent number: 8358399Abstract: An electrically-driven liquid crystal lens wherein electric connection between finely split electrodes and signal lines used to apply signals to the split electrodes can be accomplished using a minimal number of masks and signals can be applied to the finely split electrodes without line resistance, and a stereoscopic display device using the same are disclosed.Type: GrantFiled: October 28, 2008Date of Patent: January 22, 2013Assignee: LG Display Co., Ltd.Inventors: Byung Joo Lee, Hee Jin Im
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Patent number: 8305550Abstract: An electrically-driven liquid crystal lens, and a stereoscopic display device using the same, including first and second substrates arranged opposite each other and including an active region having a plurality of lens regions and a pad region defined at an outer rim of the active region, a plurality of first electrodes formed on the first substrate to correspond to the respective lens regions and spaced apart from one another, a second electrode formed on the entire surface of the second substrate, a voltage source to apply different voltages to the plurality of first electrodes, respectively, and to apply a ground voltage to the second electrode, and a liquid crystal layer interposed between the first substrate and the second substrate.Type: GrantFiled: July 9, 2008Date of Patent: November 6, 2012Assignee: LG Display Co., Ltd.Inventors: Sung Min Jung, Hee Jin Im
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Patent number: 8254026Abstract: A three-dimensional image display capable of reducing a difference between a resolution variation rate in a pixel column direction and a resolution variation rate in a pixel row direction and preventing a color separation phenomenon is disclosed. The three-dimensional image display includes a display panel in which n (n is a natural number) disparity images are displayed and the same disparity images are distributed and displayed in subpixels of the same color, and a lenticular sheet which divides travel paths of the disparity images using a plurality of lenticular lenses which are obliquely arranged in front of the display panel, and the long axes of the lenticular lenses are parallel to an extension line of the subpixels in which the same disparity images are displayed.Type: GrantFiled: May 7, 2008Date of Patent: August 28, 2012Assignee: LG Display Co., Ltd.Inventors: Hyung Ki Hong, Byung Joo Lee, Hee Jin Im
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Patent number: 8035763Abstract: An electrically-driven liquid crystal lens, which can achieve not only a gentle parabolic lens plane when being realized via alignment of liquid crystals based on a changed electrode configuration, but also a reduced cell gap of a liquid crystal layer and a stable profile even in a large-area display device, and a stereoscopic display device using the same are disclosed.Type: GrantFiled: December 15, 2010Date of Patent: October 11, 2011Assignee: LG Display Co., Ltd.Inventor: Hee Jin Im
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Publication number: 20110157495Abstract: Disclosed is stereoscopic display device in which barriers crossing each other are formed on two substrates and voltage is applied to the barrier pattern to drive liquid crystals between the two substrates such that one of the barriers is selectively driven, enabling selective implementation of 3-dimensional (3D) display and dual view display.Type: ApplicationFiled: November 30, 2010Publication date: June 30, 2011Inventors: Sung Woo KIM, Jong Hoon WOO, Hee Jin IM
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Publication number: 20110157496Abstract: Disclosed are an electrically-driven liquid crystal lens which includes a light shade to be switched on/off according to whether or not voltage is applied, reducing a cell gap of a liquid crystal layer, and a stereoscopic display device using the same, the electrically-driven liquid crystal lens includes first and second substrates opposite each other and each including plural lens regions and a light shade provided at a boundary of each lens region, first electrodes formed in a given direction on the first substrate in each lens region, a second electrode formed on the second substrate and having an aperture corresponding to the light shade, first and second light shade switching electrodes formed at the light shade and extending parallel to the first electrodes, a liquid crystal layer between both the substrates, and a polarizer plate formed above the second substrate and having a first transmission axis.Type: ApplicationFiled: November 30, 2010Publication date: June 30, 2011Inventor: Hee Jin IM
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Publication number: 20110084963Abstract: An electrically-driven liquid crystal lens, which can achieve not only a gentle parabolic lens plane when being realized via alignment of liquid crystals based on a changed electrode configuration, but also a reduced cell gap of a liquid crystal layer and a stable profile even in a large-area display device, and a stereoscopic display device using the same are disclosed.Type: ApplicationFiled: December 15, 2010Publication date: April 14, 2011Inventor: Hee Jin IM
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Patent number: 7911548Abstract: An electrically-driven liquid crystal lens, which can be switched between a convex lens and a concave lens by changing an optical path difference based on an electric field application, and a stereoscopic display device using the same are disclosed.Type: GrantFiled: December 12, 2008Date of Patent: March 22, 2011Assignee: LG Display Co., Ltd.Inventors: Hyung Ki Hong, Hee Jin Im
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Patent number: 7872694Abstract: An electrically-driven liquid crystal lens, which can achieve not only a gentle parabolic lens plane when being realized via alignment of liquid crystals based on a changed electrode configuration, but also a reduced cell gap of a liquid crystal layer and a stable profile even in a large-area display device, and a stereoscopic display device using the same are disclosed.Type: GrantFiled: October 21, 2008Date of Patent: January 18, 2011Assignee: LG Display Co., LtdInventor: Hee Jin Im
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Publication number: 20090190049Abstract: An electrically-driven liquid crystal lens, which can be switched between a convex lens and a concave lens by changing an optical path difference based on an electric field application, and a stereoscopic display device using the same are disclosed.Type: ApplicationFiled: December 12, 2008Publication date: July 30, 2009Inventors: Hyung Ki Hong, Hee Jin Im
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Publication number: 20090153653Abstract: An electrically-driven liquid crystal lens wherein electric connection between finely split electrodes and signal lines used to apply signals to the split electrodes can be accomplished using a minimal number of masks and signals can be applied to the finely split electrodes without line resistance, and a stereoscopic display device using the same are disclosed.Type: ApplicationFiled: October 28, 2008Publication date: June 18, 2009Inventors: Byung Joo LEE, Hee Jin Im
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Publication number: 20090122210Abstract: An electrically-driven liquid crystal lens, which can achieve not only a gentle parabolic lens plane when being realized via alignment of liquid crystals based on a changed electrode configuration, but also a reduced cell gap of a liquid crystal layer and a stable profile even in a large-area display device, and a stereoscopic display device using the same are disclosed.Type: ApplicationFiled: October 21, 2008Publication date: May 14, 2009Applicant: LG Display Co., Ltd.Inventor: Hee Jin Im
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Publication number: 20090109154Abstract: Disclosed is a display device adapted to selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image is disclosed. The display device includes a liquid crystal panel displaying an image; a polarizer disposed on the liquid crystal panel; a liquid crystal lens disposed on the polarizer; and a polarizing member interposed between the liquid crystal lens and the liquid crystal panel, wherein an axis of light transmitted through the liquid crystal lens coincides with an optical axis of the polarizer. Accordingly, the display device can selectively display a normal image, a stereoscopic image, a multi-view image and a stereoscopic multi-view image, while improving the picture quality and the brightness.Type: ApplicationFiled: October 24, 2008Publication date: April 30, 2009Inventors: Hyung Ki Hong, Hee Jin Im
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Publication number: 20090015737Abstract: An electrically-driven liquid crystal lens, and a stereoscopic display device using the same, including first and second substrates arranged opposite each other and including an active region having a plurality of lens regions and a pad region defined at an outer rim of the active region, a plurality of first electrodes formed on the first substrate to correspond to the respective lens regions and spaced apart from one another, a second electrode formed on the entire surface of the second substrate, a voltage source to apply different voltages to the plurality of first electrodes, respectively, and to apply a ground voltage to the second electrode, and a liquid crystal layer interposed between the first substrate and the second substrate.Type: ApplicationFiled: July 9, 2008Publication date: January 15, 2009Inventors: Sung Min JUNG, Hee Jin IM
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Publication number: 20080278483Abstract: A three-dimensional image display capable of reducing a difference between a resolution variation rate in a pixel column direction and a resolution variation rate in a pixel row direction and preventing a color separation phenomenon is disclosed. The three-dimensional image display includes a display panel in which n (n is a natural number) disparity images are displayed and the same disparity images are distributed and displayed in subpixels of the same color, and a lenticular sheet which divides travel paths of the disparity images using a plurality of lenticular lenses which are obliquely arranged in front of the display panel, and the long axes of the lenticular lenses are parallel to an extension line of the subpixels in which the same disparity images are displayed.Type: ApplicationFiled: May 7, 2008Publication date: November 13, 2008Inventors: Hyung Ki Hong, Byung Joo Lee, Hee Jin Im