Patents by Inventor Eung-don Lee
Eung-don Lee 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: 20180052309Abstract: Disclosed herein are a method for expanding a field of view of a head-mounted display device and an apparatus using the method. The method for expanding a field of view of a head-mounted display device projects a virtual image onto an eye of a user who wears the head-mounted display device. The method includes displaying an image using a curved display and a curved optical lens, and enlarging a virtual image corresponding to the image and projecting an enlarged virtual image at a location farther away from the eye of the user than the curved display using the curved optical lens, wherein the curved optical lens is located closer to the eye of the user than the curved display.Type: ApplicationFiled: August 9, 2017Publication date: February 22, 2018Inventors: Gwang-Soon LEE, Ho-Min EUM, Eung-Don LEE
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Patent number: 9652128Abstract: There are provided a method and apparatus for controlling an electronic device. The apparatus for controlling an electronic device includes a marker recognition unit configured to recognize the marker of the electronic device and a control unit configured to perform communication with the electronic device based on the marker and control the electronic device using a Graphic User Interface (GUI) program received from the electronic device.Type: GrantFiled: December 19, 2013Date of Patent: May 16, 2017Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hong Chang Shin, Gi Mun Um, Chan Kim, Hyun Lee, Eung Don Lee, Won Sik Cheong, Nam Ho Hur
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Patent number: 9264782Abstract: A method of providing a realistic broadcasting image including an ultra high definition (UHD) image, the method including generating a first encoding stream from a high definition (HD) image, generating a second encoding stream from at least one of a UHD image and an image restored from the first encoding stream, generating a third encoding stream from at least one of the UHD image and an image restored from the second encoding stream, generating a first transmission stream by applying at least one of packetization, synchronization, and multiplying to the first encoding stream and the second encoding stream, generating a second transmission stream by applying at least one of packetization and synchronization to the third encoding stream, transmitting the first transmission stream via a first transmission channel, and transmitting the second transmission stream via a second transmission channel having a lower transmission capacity than the first transmission channel.Type: GrantFiled: January 24, 2014Date of Patent: February 16, 2016Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Gwang Soon Lee, Eung Don Lee, Won Sik Cheong, Nam Ho Hur
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Publication number: 20150346502Abstract: An autostereoscopic three-dimensional projector includes a MicroElectroMechanical System (MEMS) processor, a virtual movable lens array, and a projection lens, the MEMS processor transfers each view image of the multiview image to a virtual movable lens array with different angles, the virtual movable lens array projects each of multiview images that are input with different angles to different locations of the projection lens, and the projection lens outputs the multiview image to a screen.Type: ApplicationFiled: May 27, 2015Publication date: December 3, 2015Inventors: Yang Su KIM, Hyun LEE, Eung Don LEE, Jae Han KIM, Gwang Soon LEE, Namho HUR
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Patent number: 9036014Abstract: A dual layer parallax barrier-based 3D display device may include an image panel that displays a left image and a right image so as to alternately display a left-image column and a right-image column, a dual layer parallax barrier that includes a first common electrode, a second common electrode, a plurality of first individual electrodes, a plurality of second individual electrodes, and a liquid crystal layer, and blocks specific portions of the displayed images and a driving unit that drives the electrodes based on the distance between the image panel and the viewer so as to allow the viewer to view the left image and the right image, separately, and simultaneously drives, in a particular state, at least one of the first common electrode and the plurality of first individual electrodes and at least one of the second common electrode and the plurality of second individual electrodes.Type: GrantFiled: June 19, 2012Date of Patent: May 19, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Hyun Lee, Eung Don Lee
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Patent number: 9036013Abstract: A segmented dual layer parallax barrier-based 3D display device may includes an image panel that displays a left image and a right image so as to alternately display a left-image column and a right-image column; a dual layer parallax barrier that includes a first common electrode, a second common electrode, a plurality of first individual electrodes, a plurality of second individual electrodes, a plurality of segmented electrodes, and a liquid crystal layer, and blocks specific portions of the displayed images; and a driving unit that drives the electrodes based on the distance between the image panel and the viewer so as to allow the viewer to view the left image and the right image, separately.Type: GrantFiled: June 19, 2012Date of Patent: May 19, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Hyun Lee, Eung Don Lee
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Publication number: 20150077515Abstract: An apparatus for compensating for synchronization between left and right image frames in a stereoscopic system includes a similarity calculating unit configured to calculate similarity between left and right image frames on the basis of a scene change point in time of the left and right image frames, a left and right image frame difference value extracting unit configured to search a stereoscopic pair on the basis of the similarity and extract a temporal frame difference value between the left and right image frames, and a left and right image frame synchronization compensating unit configured to perform synchronization by shifting any one of the the left and right image frames on a time axis on the basis of the left and right image frame difference value.Type: ApplicationFiled: April 17, 2013Publication date: March 19, 2015Inventors: Gwang Soon Lee, Eung Don Lee, Chan Kim, Jin Hwan Lee, Hyun Lee, Won Sik Cheong, Nam Ho Hur
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Publication number: 20140354777Abstract: Disclosed herein are an apparatus and method for obtaining spatial information using an active array lens. In order to obtain spatial information in the apparatus for obtaining spatial information including the active microlens, at least one active pattern for varying a microlens' focus is determined by controlling voltage applied to a pattern of the active microlens, and at least one projection image captured by the at least one active pattern is obtained in a time-division unit.Type: ApplicationFiled: May 29, 2014Publication date: December 4, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun LEE, Gwang Soon LEE, Eung Don LEE, Yang Su KIM, Jae Han KIM, Jin Hwan LEE, Nam Ho HUR
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Patent number: 8879008Abstract: A stereoscopic image panel according to the present invention includes: a liquid crystal layer; a first parallax barrier layer including a first electrode unit adjacent to one side of the liquid crystal layer and a second electrode unit opposite the other side of the liquid crystal layer; and a second parallax barrier layer including a third electrode unit opposite one side of the liquid crystal layer, between the liquid crystal layer and the first electrode unit, and a fourth electrode unit positioned adjacent to the second electrode unit, wherein the second electrode unit is positioned between the liquid crystal layer and the fourth electrode unit.Type: GrantFiled: July 27, 2012Date of Patent: November 4, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Hyun Lee, Eung Don Lee
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Publication number: 20140226094Abstract: A display panel based on a segmented parallax barrier according to the present invention includes the segmented parallax barrier disposed in a front or back of an image panel and configured to block a specific part of an image displayed through the image panel and wherein the segmented parallax barrier is configured to connect fine transparent electrodes belonging to an identical group through a transparent electrode, from among fine transparent electrodes grouped in specific patterns, so that voltage is supplied to the fine transparent electrodes without an additional feed line assigned to each fine transparent electrode. Accordingly, the production cost of a TN-LCD panel based on a segmented parallax barrier can be reduced, and a TN-LCD panel having excellent barrier pattern characteristics can be easily manufactured.Type: ApplicationFiled: July 25, 2013Publication date: August 14, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun LEE, Eung Don LEE
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Publication number: 20140223349Abstract: There are provided a method and apparatus for controlling an electronic device. The apparatus for controlling an electronic device includes a marker recognition unit configured to recognize the marker of the electronic device and a control unit configured to perform communication with the electronic device based on the marker and control the electronic device using a Graphic User Interface (GUI) program received from the electronic device.Type: ApplicationFiled: December 19, 2013Publication date: August 7, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hong Chang SHIN, Gi Mun UM, Chan KIM, Hyun LEE, Eung Don LEE, Won Sik CHEONG, Nam Ho HUR
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Publication number: 20140215547Abstract: A method of providing a realistic broadcasting image including an ultra high definition (UHD) image, the method including generating a first encoding stream from a high definition (HD) image, generating a second encoding stream from at least one of a UHD image and an image restored from the first encoding stream, generating a third encoding stream from at least one of the UHD image and an image restored from the second encoding stream, generating a first transmission stream by applying at least one of packetization, synchronization, and multiplying to the first encoding stream and the second encoding stream, generating a second transmission stream by applying at least one of packetization and synchronization to the third encoding stream, transmitting the first transmission stream via a first transmission channel, and transmitting the second transmission stream via a second transmission channel having a lower transmission capacity than the first transmission channel.Type: ApplicationFiled: January 24, 2014Publication date: July 31, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Gwang Soon LEE, Eung Don LEE, Won Sik CHEONG, Nam Ho HUR
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Publication number: 20140112395Abstract: Disclosed is a transport device in a video system which uses a hybrid video codec. The transport device includes a first video encoder which encodes a first video using a first video codec, a second video encoder which encodes a second video using a second video codec, and a delay buffer for synchronizing a delay time for the first video and the second video, based on a buffer size of if a first transport stream system target decoder (T-STD) stipulated in the first video encoder and a buffer size of a second T-STD stipulated in the second video encoder.Type: ApplicationFiled: October 22, 2013Publication date: April 24, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Gwang Soon LEE, Kug Jin YUN, Jin Young LEE, Hyun Jeong YIM, Eung Don LEE, Won Sik CHEONG, Nam Ho HUR
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Patent number: 8705569Abstract: Provided is a transport packet generating apparatus that generates a transport packet having a variable length, and the length of the transport packet is indicated by a field included in a header of the transport packet or a synchronization area of the transport packet, in the field indicating a length of the transport packet. A transport depacketizing apparatus depacketizes the transport packet by decoding the field or detecting a starting point of the transport packet based on a predetermined rule with respect to the synchronization area to decode the transport packet.Type: GrantFiled: June 18, 2010Date of Patent: April 22, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Yong Ju Lee, Jeongil Seo, Eung Don Lee, Kyeongok Kang, Jin Soo Choi, Jin Woo Hong, Jin Woong Kim
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Publication number: 20140063341Abstract: Disclosed are a method and an apparatus for a scalable broadcast. The method includes scalably dividing a broadcast frequency band into segments, scalably dividing a video image into segments, and linking the segment of the broadcast frequency band to the scalably divided video image, and broadcasting the linked segments to at least one receiving apparatus.Type: ApplicationFiled: August 21, 2013Publication date: March 6, 2014Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Byung Jun BAE, Joon Young JUNG, Hyoung Soo LIM, Yong Tae LEE, Yun Jeong SONG, Nam Ho HUR, Eung Don LEE
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Publication number: 20140035800Abstract: Disclosed are a segmented parallax barrier based display apparatus with 2D/3D mode switching and a method thereof. The parallax barrier based display apparatus may include a first panel reproducing an image; and a second panel positioned on a front surface of the first panel and including a first liquid crystal for forming a parallax barrier that blocks a part of the image reproduced by the first panel and a second liquid crystal for switching polarization of light that transmits the first liquid crystal.Type: ApplicationFiled: August 5, 2013Publication date: February 6, 2014Applicants: CNO Co., Ltd., Electronics and Telecommunications Research InstituteInventors: Hyun LEE, Eung Don LEE, Young Heuk CHO
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Publication number: 20140022241Abstract: Provided are a display apparatus and method based on an SSPB. The display apparatus includes a panel configured to play a 3-D image, a parallax barrier configured to include liquid crystals placed in the front of the panel and configured to transmit or block light emitted from the panel and pairs of transparent electrodes obliquely arranged to cross each other in a symmetric form in the front and rear of the liquid crystals based on the liquid crystals, and a driving unit configured to apply driving voltages to the parallax barrier. The parallax barrier can transmit or block a specific part of the played 3-D image through the panel in response to the applied driving voltages.Type: ApplicationFiled: July 12, 2013Publication date: January 23, 2014Inventors: Hyun LEE, Eung Don LEE
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Publication number: 20130250051Abstract: Disclosed are a signaling method for a stereoscopic video service and an apparatus using the method. An image decoding method comprises: a step of determining a field value based on a broadcast service type and a display mode in decoding a program level descriptor; and a step of determining an encoded stream type, whether an elementary stream is a reference stream, whether the elementary stream is a left-eye image or a right-eye image, additional image upsampling information and information on a subsampled line. Thus, efficiency of encoding/decoding an additional image for a stereoscopic video content may increase.Type: ApplicationFiled: December 12, 2011Publication date: September 26, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Bong Ho Lee, Kug Jin Yun, Won Sik Cheong, Eung Don Lee, Se Yoon Jeong, Sang Woo Ahn, Young Kwon Lim, Nam Ho Hur, Soo In Lee, Jin Soo Choi, Jin Woong Kim
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Publication number: 20130250059Abstract: Provided are a method and an apparatus for transmitting stereoscopic video information capable of providing a stereoscopic video service.Type: ApplicationFiled: December 2, 2011Publication date: September 26, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Bong Ho Lee, Won Sik Cheong, Kug Jin Yun, Eung Don Lee, Se Yoon Jeong, Nam Ho Hur, Jin Soo Choi, Soo In Lee, Jin Woong Kim
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Publication number: 20130222365Abstract: An apparatus and method for displaying an image on a 3D image display device based on a multi-layer parallax barrier are provided. The method includes: measuring a position of a viewer based on the display device; determining whether or not parallax barrier switching is required based on the measurement results; and when parallax barrier switching is determined to be required in the determination, outputting a 2D image through the 3D display device from a point in time at which the parallax barrier switching starts to a point in time at which the parallax barrier switching ends, wherein the 3D image is an image in which a left image and a right image is distributedly disposed in the same frame, and the 2D image is an image in which only any one of the left image and the right image is disposed in the same frame.Type: ApplicationFiled: July 31, 2012Publication date: August 29, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Hyun LEE, Eung Don LEE