Patents by Inventor Jung-Hwan Yi
Jung-Hwan Yi 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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Publication number: 20150227001Abstract: A display device includes a display panel and a polarization conversion panel facing the display panel. The polarization conversion panel includes: an insulation substrate; an absorptive polarizer positioned on the insulation substrate; a first electrode positioned on the absorptive polarizer; a passivation layer formed on the first electrode while being spaced apart therefrom a microcavity interposed between the passivation layer and the first electrode, the passivation layer an injection hole; an overcoat formed on the passivation layer to cover the injection hole and seal the microcavity; a second electrode positioned on the overcoat; a reflective polarizer positioned on the second electrode; and a liquid crystal layer positioned in the microcavity.Type: ApplicationFiled: August 12, 2014Publication date: August 13, 2015Inventor: Jung Hwan YI
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Patent number: 9075242Abstract: The present invention relates to an image display device using a diffractive lens. An image display device according to an exemplary embodiment of the present invention includes a display panel displaying an image, and a diffractive lens for the image of the display panel to be recognized as a two-dimensional (2D) image or a three-dimensional (3D) image, wherein the diffractive lens modifies a path of light by using an optical principle of a Fresnel zone plate.Type: GrantFiled: June 2, 2014Date of Patent: July 7, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung Jun Jeong, Kyung-Ho Jung, Seung-Hoon Lee, Hee-Seop Kim, Hae-Young Yun, Hwi Kim, Il-Joo Kim, Kyung-Bae Kim, Jung-Hwan Yi
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Patent number: 9063360Abstract: A two-dimensional/three-dimensional switchable display apparatus includes: a display panel; a first substrate disposed on the display panel; a first electrode layer disposed on the first substrate and including a plurality of first electrodes; a second substrate disposed on the first substrate; a second electrode layer disposed on the second substrate and including a plurality of second electrodes; and a liquid crystal layer disposed between the first and second substrates. A plurality of lens units are formed in association with a first position of the liquid crystal layer when a lens forming voltage profile is applied to the first electrodes and a common voltage is applied to the second electrodes. When the common voltage is applied to the first electrodes and the lens forming voltage is applied to the second electrodes, the plurality of lens units are formed in association with a second position spaced apart from the first position.Type: GrantFiled: November 30, 2012Date of Patent: June 23, 2015Assignee: Samsung Display Co., Ltd.Inventors: Kyung-Ho Jung, Ji-Woong Jeong, Hae-Young Yun, Seung-Jun Jeong, Joo-Young Kim, Cheol-Woo Park, Il-Yong Yoon, Seung-Hoon Lee, Jin-Hwan Kim, Il-Joo Kim, Jung-Hwan Yi
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Publication number: 20150145976Abstract: A 3D image display device includes a display panel and a viewpoint divider. The display panel includes pixels arranged in a matrix shape and respectively representing one color among primary colors and light blockers provided between the pixels. The viewpoint divider divides an image displayed by the display panel into at least two viewpoints, the viewpoint divider including viewpoint dividing units. The viewpoint dividing units are located in parallel with respect to a column direction of the display panel. A number NP of pixels at a unit view region satisfies NP=2(3n+1)+1, a number NL of viewpoint dividing units satisfies NL=3n+1, and a number NV of viewpoints satisfies NV=2(3n+1)+1 when a width ratio of the pixels in a row direction and the light blockers in the row direction is 3n:1. The NP pixels are located to correspond to the NL viewpoint dividing units.Type: ApplicationFiled: May 12, 2014Publication date: May 28, 2015Applicant: Samsung Display Co., Ltd.Inventors: Jung Hwan YI, Moon Jung BAEK
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Publication number: 20150131045Abstract: A liquid crystal lens panel includes an array substrate, an opposing substrate, and a liquid crystal layer between the array substrate and the opposing substrate. The array substrate includes a first base substrate, a plurality of lens electrodes substantially parallel with one another on the first base substrate, a connection electrode electrically connected to the lens electrodes, a light blocking pattern overlapping the connection electrode and a terminal electrode electrically connected to the connection electrode. The opposing substrate includes a second base substrate which faces the array substrate and a lens common electrode which is on the second base substrate.Type: ApplicationFiled: October 9, 2014Publication date: May 14, 2015Inventor: Jung-Hwan YI
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Publication number: 20150116619Abstract: A display device may include a display panel configured to display an image. The display device may further include a first electrode overlapping the display panel and separated from the display panel. The display device may further include a second electrode overlapping the first electrode and separated from the display panel. The display device may further include a first liquid crystal layer disposed between the first electrode and a first portion of the second electrode. The display device may further include a third electrode electrically insulated from the first electrode, overlapping the second electrode, and separated from the display panel. The display device may further include a second liquid crystal layer disposed between the third electrode and a second portion of the second electrode.Type: ApplicationFiled: March 28, 2014Publication date: April 30, 2015Applicant: Samsung Display Co., Ltd.Inventors: Jung Hwan YI, Hee-Keun LEE, Moon Jung BAEK, Jong Suk LEE, Kyung Ho JUNG, Jung-Hyun CHO
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Patent number: 8988649Abstract: The present invention relates to an image display device using a diffractive lens. An image display device according to an exemplary embodiment of the present invention includes a display panel displaying an image, and a diffractive lens for the image of the display panel to be recognized as a two-dimensional (2D) image or a three-dimensional (3D) image, wherein the diffractive lens modifies a path of light by using an optical principle of a Fresnel zone plate.Type: GrantFiled: October 13, 2010Date of Patent: March 24, 2015Assignee: Samsung Display Co., Ltd.Inventors: Seung Jun Jeong, Kyung-Ho Jung, Seung-Hoon Lee, Hee-Seop Kim, Hae-Young Yun, Hwi Kim, Il-Joo Kim, Kyung-Bae Kim, Jung-Hwan Yi
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Publication number: 20140300961Abstract: A stereoscopic image display device, including a display unit comprising a plurality of pixel units, wherein at least one of the pixel units has a short side extended in a first direction and a long side extended in a second direction different from the first direction, and an image conversion unit comprising a lenticular lens overlapped with at least two of the pixel units arranged in the first direction, wherein the lenticular lens is extended in the second direction and a first prism corresponding to the lenticular lens is arranged in the second direction.Type: ApplicationFiled: June 18, 2014Publication date: October 9, 2014Inventors: Hwi Kim, Hee-Seop Kim, Hae-Young Yun, Kyung-Ho Jung, Seung-Hoon Lee, Jung-Hwan Yi
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Publication number: 20140267961Abstract: The present invention relates to an image display device using a diffractive lens. An image display device according to an exemplary embodiment of the present invention includes a display panel displaying an image, and a diffractive lens for the image of the display panel to be recognized as a two-dimensional (2D) image or a three-dimensional (3D) image, wherein the diffractive lens modifies a path of light by using an optical principle of a Fresnel zone plate.Type: ApplicationFiled: June 2, 2014Publication date: September 18, 2014Applicant: Samsung Display Co., Ltd.Inventors: Seung Jun Jeong, Kyung-Ho Jung, Seung-Hoon Lee, Hee-Seop Kim, Hae-Young Yun, Hwi Kim, Il-Joo Kim, Kyung-Bae Kim, Jung-Hwan Yi
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Patent number: 8755024Abstract: The present invention relates to an image display device using a diffractive lens. An image display device according to an exemplary embodiment of the present invention includes a display panel displaying an image, and a diffractive lens for the image of the display panel to be recognized as a two-dimensional (2D) image or a three-dimensional (3D) image, wherein the diffractive lens modifies a path of light by using an optical principle of a Fresnel zone plate.Type: GrantFiled: October 13, 2010Date of Patent: June 17, 2014Assignee: Samsung Display Co., Ltd.Inventors: Seung Jun Jeong, Kyung-Ho Jung, Seung-Hoon Lee, Hee-Seop Kim, Hae-Young Yun, Hwi Kim, Il-Joo Kim, Kyung-Bae Kim, Jung-Hwan Yi
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Patent number: 8605227Abstract: An image display device includes a display panel displaying an image and a diffractive device. The diffractive device operates in a 2D mode to enable perception of a 2D image from the image of the display panel and in a 3D mode to enable perception of the image of the display panel as a 3D image. The diffractive device includes a plurality of unit devices. When the diffractive device operates in 3D mode, at least one of the plurality of unit devices operates in a lens mode and a barrier mode during different periods.Type: GrantFiled: September 20, 2011Date of Patent: December 10, 2013Assignee: Samsung Display Co., Ltd.Inventors: Il-Yong Yoon, Seung-Jun Jeong, Jin-Hwan Kim, Hae-Young Yun, Seung-Hoon Lee, Il-Joo Kim, Jung-Hwan Yi
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Patent number: 8599248Abstract: A stereoscopic image display device includes a display panel, a temporal division plate and a lenticular lens. The display panel includes a gate line, a data line, and a unit pixel of a horizontal pixel structure in which a long side is parallel with the first direction and a short side is parallel with the second direction. The display panel displays a 2D image based on an image control signal. The temporal division plate includes a plurality of shutters disposed on the display panel extending in the second direction. The temporal division plate opens and closes m shutters corresponding to each unit pixel, in a sequence, ‘m’ being a natural number no less than 2). The lenticular lens is disposed on the temporal division plate to convert the 2D image passing the temporal division plate into a 3D image.Type: GrantFiled: January 8, 2010Date of Patent: December 3, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hwi Kim, Hae-Young Yun, Kyung-Ho Jung, Seung-Hoon Lee, Hee-Seop Kim, Jian-Gang Lu, Jung-Hwan Yi
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Publication number: 20130229449Abstract: A three-dimensional display device comprises a flat display panel and an image-converting sheet disposed on or above the display panel. The display panel comprises a matrix of unit display cells arranged as rows and columns and where the cells are spaced apart to have respective row and column direction pitches. The image-converting sheet comprises a plurality of inclined lenticular lenses where the inclination is set according to the row and column direction pitches so as to reduce perception of Moiré patterns when stereo-scopic images are projected through the image-converting sheet to an observer viewing the display panel as an upright panel having respectively different left and right stereo-scopic image projections.Type: ApplicationFiled: April 15, 2013Publication date: September 5, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Hae-Young YUN, Hee-Seop KIM, Kyoung-Ho JUNG, Seung-Hoon LEE, Hwi KIM, Jung-Hwan YI
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Patent number: 8472117Abstract: A lens array according to an exemplary embodiment of the present invention includes: a first upper lattice plate including a plurality of first upper lattices; a first lower lattice plate including a plurality of first lower lattices; a first membrane disposed between the first upper lattice plate and the first lower lattice plate; a transparent liquid filled in the first lower lattice plate; and a hydraulic pressure controller positioned in the first lower lattice plate, wherein the first upper lattice and the first lower lattice are engaged with each other, thereby forming a plurality of first regions.Type: GrantFiled: June 22, 2010Date of Patent: June 25, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hwi Kim, Kyung-Ho Jung, Hae-Young Yun, Jiangang Lu, Seung-Hoon Lee, Jung-hwan Yi
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Patent number: 8422131Abstract: A stereoscopic display is provided. The stereoscopic display is able to control a viewing position and make a viewing angel wide. On top of a display panel, an image is provided through a plurality of pixels and is separated to a left-eye image and a right-eye image by a lenticular lens. An elastic membrane prism array controls an angle of emitted light. An elastic membrane prism array is disposed on the lenticular lens or on and under the lenticular lens. The elastic membrane prism array includes a prism body having a first chamber and a second chamber, a wall disposed between the first and second chamber, a prism plate connected to the wall, a piston adapted for moving back-and-forth and a transporting tube disposed between the piston and the prism body.Type: GrantFiled: May 20, 2010Date of Patent: April 16, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hwi Kim, Hae-Young Yun, Jiangang Lu, Kyung-Ho Jung, Seung-Hoon Lee, Jung-hwan Yi, Hee-Seop Kim
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Patent number: 8279362Abstract: A liquid crystal lens panel includes a first substrate, a second substrate, a liquid crystal layer and a light-blocking member. The first substrate includes a plurality of individual electrodes. The individual electrode receives a voltage to have a light path length distribution of a Fresnel lens shape. The second substrate includes a common electrode opposition the individual electrodes. The liquid crystal layer is disposed between the first and second substrates. The light-blocking member is disposed on an area in correspondence with the individual electrode in which a voltage discontinuously varied is applied thereto. Thus, a liquid crystal lens panel of a Fresnel lens type is realized to decrease a liquid crystal cell gap, so that a process efficiency of the liquid crystal lens panel may be enhanced and a manufacturing cost of the liquid crystal lens panel may be reduced.Type: GrantFiled: December 31, 2009Date of Patent: October 2, 2012Assignee: Samsung Electronics Co., Ltd.Inventors: Hae-Young Yun, Hee-Seop Kim, Kyung-Ho Jung, Seung-Hoon Lee, Hwi Kim, Jung-Hwan Yi
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Publication number: 20120105750Abstract: An image display device includes a display panel displaying an image and a diffractive device. The diffractive device operates in a 2D mode to enable perception of a 2D image from the image of the display panel and in a 3D mode to enable perception of the image of the display panel as a 3D image. The diffractive device includes a plurality of unit devices. When the diffractive device operates in 3D mode, at least one of the plurality of unit devices operates in a lens mode and a barrier mode during different periods.Type: ApplicationFiled: September 20, 2011Publication date: May 3, 2012Inventors: Il-Yong YOON, Seung-Jun Jeong, Jin-Hwan Kim, Hae-Young Yun, Seung-Hoon Lee, Il-Joo Kim, Jung-Hwan Yi
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Publication number: 20110228181Abstract: The present invention relates to an image display device using a diffractive lens. An image display device according to an exemplary embodiment of the present invention includes a display panel displaying an image, and a diffractive lens for the image of the display panel to be recognized as a two-dimensional (2D) image or a three-dimensional (3D) image, wherein the diffractive lens modifies a path of light by using an optical principle of a Fresnel zone plate.Type: ApplicationFiled: October 13, 2010Publication date: September 22, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Seung Jun JEONG, Kyung-Ho JUNG, Seung-Hoon LEE, Hee-Seop KIM, Hae-Young YUN, Hwi KIM, Il-Joo KIM, Kyung-Bae KIM, Jung-Hwan YI
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Publication number: 20110109964Abstract: A stereoscopic display is provided. The stereoscopic display is able to control a viewing position and make a viewing angel wide. On top of a display panel, an image is provided through a plurality of pixels and is separated to a left-eye image and a right-eye image by a lenticular lens. An elastic membrane prism array controls an angle of emitted light. An elastic membrane prism array is disposed on the lenticular lens or on and under the lenticular lens. The elastic membrane prism array includes a prism body having a first chamber and a second chamber, a wall disposed between the first and second chamber, a prism plate connected to the wall, a piston adapted for moving back-and-forth and a transporting tube disposed between the piston and the prism body.Type: ApplicationFiled: May 20, 2010Publication date: May 12, 2011Inventors: Hwi Kim, Hae-Young Yun, Jiangang Lu, Kyung-Ho Jung, Seung-Hoon Lee, Jung-hwan Yi, Hee-Seop Kim
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Publication number: 20110063533Abstract: An image display apparatus is provided that can display one or both of 2D imagery and 3D imagery in respective but randomly selectable display areas of the apparatus. The apparatus a display panel, a driving circuit part, a polarization switch panel and a lens. The driving circuit part processes received frame image data representing two-dimensional (2D) imagery and three-dimensional (3D) imagery to thus provide the display panel with the processed frame image. The polarization switch panel is disposed above the display panel. The polarization switch panel is switched into a first polarization mode in correspondence with 2D imagery being displayed by the display panel and it is switched into a second polarization mode in correspondence with 3D imagery being displayed by the display panel. The lens is reacts differently to light rays having the effect of the first polarization mode imparted to them and to light rays having the effect of the second polarization mode imparted to them.Type: ApplicationFiled: May 4, 2010Publication date: March 17, 2011Inventors: Hwi KIM, Hae-Young Yun, Jian-Gang Lu, Kyung-Ho Jung, Seung-Hoon Lee, Jung-Hwan Yi, Hee-Seop Kim