Patents by Inventor Seon Kyu Yoon
Seon Kyu 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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Publication number: 20240126206Abstract: According to an embodiment, a holographic microscope comprises a light source, an optical system splitting light emitted from the light source into an object and a reflective mirror and inducing interference between light reflected by the object or transmitted through the object and light reflected by the reflective mirror, a first image sensor receiving the interference light and sensing interference information for the interference light, a second image sensor receiving the light reflected by the object or transmitted through the object and sensing information for the received light, and an image processor deriving a shape of the object based on the interference information sensed by the first image sensor and the information sensed by the second image sensor.Type: ApplicationFiled: December 8, 2023Publication date: April 18, 2024Inventors: Seon Kyu YOON, Ha Mong SHIM, Jin Su LEE, Kwang Hoon LEE
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Patent number: 11869532Abstract: According to an embodiment of the disclosure, a system for controlling an emergency bell based on sound comprises an emergency bell device installed in a crime area, gathering sound information generated in the crime area, detecting an emergency event from the gathered sound information, and generating an emergency bell operation signal, an analysis server receiving, in real-time, the sound information from the emergency bell device if the emergency bell operation signal is received, classifying per-time key sound sources in the sound information, and providing a situation analysis result on whether a crime occurs using the classified per-time key sound sources, and a control server receiving the situation analysis result and providing on-site dispatch information or situation response information to a security terminal in charge of the crime area based on the received situation analysis result.Type: GrantFiled: October 29, 2021Date of Patent: January 9, 2024Inventors: Seon Man Kim, Kwang Hoon Lee, Hoe Min Kim, Sung Kuk Chun, Seon Kyu Yoon, Jin Su Lee
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Patent number: 11862054Abstract: According to an embodiment, an augmented reality optical device comprises a light source unit including a plurality of light sources and outputting a plurality of light beams having different light paths, a display element receiving the light beams from the light source unit and reflecting augmented reality images, a reflector reflecting the light beams output from the light source unit and transmitting the augmented reality images reflected by the display element, a beam splitter reflecting the augmented reality images transmitted through the reflector and transmitting real-world light to a user's eye, and a controller controlling the light source unit and the display element.Type: GrantFiled: August 17, 2021Date of Patent: January 2, 2024Inventors: Seon Kyu Yoon, Ha Mong Shim
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Publication number: 20230213890Abstract: According to an embodiment, a holographic microscope comprises a light source emitting light to an object, a beam splitter reflecting the light emitted from the light source to the object and transmitting object light reflected from the object, a holographic image sensor sensing information, including a holographic image, by receiving the object light and allowing the object light to coherently interfere with reference light, and an image processor obtaining three-dimensional (3D) information about the object based on the information sensed by the holographic image sensor. The holographic image sensor includes a lens focusing the object light to the holographic image sensor, a filter transmitting a predetermined wavelength band of light of the focused object light, a light receiving unit receiving interference light to sense a holographic image, and a reference light source directly emitting the reference light having the predetermined wavelength band to the light receiving unit.Type: ApplicationFiled: May 14, 2022Publication date: July 6, 2023Inventors: Seon Kyu Yoon, Kyung ll Joo, Ha Mong Shim
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Publication number: 20230213889Abstract: According to an embodiment, a holographic image sensor comprises a lens focusing object light incident from outside of the holographic image sensor to the holographic image sensor, a filter transmitting a predetermined wavelength band of light of the focused object light, a light receiving unit receiving interference light to sense a holographic image, and a reference light source directly emitting reference light having the predetermined wavelength band to the light receiving unit.Type: ApplicationFiled: May 14, 2022Publication date: July 6, 2023Inventors: Seon Kyu YOON, Jin Su LEE
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Publication number: 20230204454Abstract: Disclosed is a spatial property measurement device or color implementation property of a holographic image. According to an aspect of the present embodiment, a spatial property measurement device or color implementation property of a holographic image reproduced by a holographic display device is provided.Type: ApplicationFiled: December 15, 2022Publication date: June 29, 2023Inventors: Kwang Hoon LEE, Kyung JOO, II, Seon Kyu YOON, Jin Su LEE, Min Kyu PARK, Hoe Min KIM
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Publication number: 20230124089Abstract: According to an embodiment, there is provided a reflector reflecting an immersive image output from a projector to a screen to allow a viewer to recognize the immersive image. The reflector comprises a central portion that is flat within a predetermined range with respect to a center of the reflector and a curved portion having a curvature out of the predetermined range.Type: ApplicationFiled: October 25, 2021Publication date: April 20, 2023Inventors: Seon Kyu YOON, Ha Mong SHIM, Jin Su LEE, Sung Kuk CHUN
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Patent number: 11539926Abstract: According to an embodiment, an image projection device outputting an image to a screen comprises an input unit receiving an image from an outside, a sensor unit sensing a viewer's position and gaze direction, a controller correcting the received image into a preset model based on the viewer's position and gaze direction sensed by the sensor unit, and an output unit outputting the preset model.Type: GrantFiled: January 28, 2021Date of Patent: December 27, 2022Inventors: Seon Kyu Yoon, Sung Kuk Chun, Ha Mong Shim, Sungjoon Kim
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Publication number: 20220210383Abstract: According to an embodiment, an image projection device outputting an image to a screen comprises an input unit receiving an image from an outside, a sensor unit sensing a viewer's position and gaze direction, a controller correcting the received image into a preset model based on the viewer's position and gaze direction sensed by the sensor unit, and an output unit outputting the preset model.Type: ApplicationFiled: January 28, 2021Publication date: June 30, 2022Inventors: Seon Kyu Yoon, Sung Kuk Chun, Ha Mong Shim, Sungjoon Kim
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Publication number: 20220206432Abstract: According to an embodiment, a holographic microscope comprises a light source, an optical system splitting light emitted from the light source into an object and a reflective mirror and inducing interference between light reflected by the object or transmitted through the object and light reflected by the reflective mirror, a first image sensor receiving the interference light and sensing interference information for the interference light, a second image sensor receiving the light reflected by the object or transmitted through the object and sensing information for the received light, and an image processor deriving a shape of the object based on the interference information sensed by the first image sensor and the information sensed by the second image sensor.Type: ApplicationFiled: August 17, 2021Publication date: June 30, 2022Inventors: Seon Kyu YOON, Ha Mong Shim, Jin Su Lee, Kwang Hoo Lee
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Publication number: 20220208036Abstract: According to an embodiment, an augmented reality optical device comprises a light source unit including a plurality of light sources and outputting a plurality of light beams having different light paths, a display element receiving the light beams from the light source unit and reflecting augmented reality images, a reflector reflecting the light beams output from the light source unit and transmitting the augmented reality images reflected by the display element, a beam splitter reflecting the augmented reality images transmitted through the reflector and transmitting real-world light to a user's eye, and a controller controlling the light source unit and the display element.Type: ApplicationFiled: August 17, 2021Publication date: June 30, 2022Inventors: Seon Kyu Yoon, Ha Mong Shim
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Publication number: 20220148616Abstract: According to an embodiment of the disclosure, a system for controlling an emergency bell based on sound comprises an emergency bell device installed in a crime area, gathering sound information generated in the crime area, detecting an emergency event from the gathered sound information, and generating an emergency bell operation signal, an analysis server receiving, in real-time, the sound information from the emergency bell device if the emergency bell operation signal is received, classifying per-time key sound sources in the sound information, and providing a situation analysis result on whether a crime occurs using the classified per-time key sound sources, and a control server receiving the situation analysis result and providing on-site dispatch information or situation response information to a security terminal in charge of the crime area based on the received situation analysis result.Type: ApplicationFiled: October 29, 2021Publication date: May 12, 2022Inventors: Seon Man Kim, Kwang Hoon Lee, Hoe Min Kim, Sung Kuk Chun, Seon Kyu Yoon, Jin Su Lee
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Patent number: 9709816Abstract: Provided is an image display apparatus using a transflective electro-optic device. When a tiled large-screen image display apparatus using a plurality of flat panel displays is implemented, light emitted in two directions may be combined using the transflective electro-optic device. Accordingly, it is possible to effectively remove a visual obstacle caused by the frames of the plurality of flat panel displays, increase the degree of visual immersion, and also enable minimization of the volume of the image display apparatus and modularization of the same.Type: GrantFiled: July 20, 2015Date of Patent: July 18, 2017Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Sung Kyu Kim, Seon Kyu Yoon
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Publication number: 20160018663Abstract: Provided is an image display apparatus using a transflective electro-optic device. When a tiled large-screen image display apparatus using a plurality of flat panel displays is implemented, light emitted in two directions may be combined using the transflective electro-optic device. Accordingly, it is possible to effectively remove a visual obstacle caused by the frames of the plurality of flat panel displays, increase the degree of visual immersion, and also enable minimization of the volume of the image display apparatus and modularization of the same.Type: ApplicationFiled: July 20, 2015Publication date: January 21, 2016Inventors: Sung Kyu KIM, Seon Kyu YOON
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Patent number: 8941918Abstract: The 3D image display device disclosed herein includes an image display panel outputting image signals; and a parallax barrier arranged in front of the panel, being spaced at a particular distance, and having a plurality of transparent portions. The transparent portions of the barrier have a plurality of transverse lines, each of which forms one cycle, and the transparent portions that are adjacent to each other in the longitudinal direction in one cycle are arranged to emit images to different fields of view, respectively. The panel operates on and off by lines in the transverse direction based on views.Type: GrantFiled: December 14, 2009Date of Patent: January 27, 2015Assignee: Korea Institute of Science and TechnologyInventors: Sung Kyu Kim, Seon Kyu Yoon
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Patent number: 8610711Abstract: The present invention relates to a autostereoscopic image display device capable of observing a natural three-dimensional image without crosstalk or pseudo-stereoscopic zone between optimal viewpoints and without using special glasses. The three-dimensional image display device of the present invention includes: a display panel configured to display image information of at least two viewpoints; an optical substrate that is separately disposed from the display panel at a predetermined distance, the optical substrate being configured to form at least one intermediate viewing zone between left and right viewing zones included in base viewing zones corresponding to two viewpoints, which are observed when a position of an observer moves horizontally; and a control unit configured to provide the image information corresponding to the respective viewpoints at the base viewing zones and remove image information from the at least one intermediate viewing zone.Type: GrantFiled: May 19, 2011Date of Patent: December 17, 2013Assignee: Korea Institute of Science and TechnologyInventors: Sung Kyu Kim, Jinwook Kim, Seon Kyu 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: 20110285700Abstract: The present invention relates to a autostereoscopic image display device capable of observing a natural three-dimensional image without crosstalk or pseudo-stereoscopic zone between optimal viewpoints and without using special glasses. The three-dimensional image display device of the present invention includes: a display panel configured to display image information of at least two viewpoints; an optical substrate that is separately disposed from the display panel at a predetermined distance, the optical substrate being configured to form at least one intermediate viewing zone between left and right viewing zones included in base viewing zones corresponding to two viewpoints, which are observed when a position of an observer moves horizontally; and a control unit configured to provide the image information corresponding to the respective viewpoints at the base viewing zones and remove image information from the at least one intermediate viewing zone.Type: ApplicationFiled: May 19, 2011Publication date: November 24, 2011Inventors: Sung Kyu KIM, Jinwook KIM, Seon Kyu YOON
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Publication number: 20110141560Abstract: A 3-Dimensional display device having an optical plate: The 3D display device includes: at least one optical plate wherein the optical plate has a plurality of segments disposed with a predetermined incline and a predetermined interval; and a display panel aligned with the optical plate and that includes pixels, wherein each of the pixels comprises sub-pixels and each of the sub-pixels is disposed with an incline the same as or similar to the predetermined incline.Type: ApplicationFiled: December 8, 2010Publication date: June 16, 2011Inventors: Sung Kyu KIM, Seon Kyu YOON, Kwang Hoon LEE
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Publication number: 20100182688Abstract: The 3D image display device disclosed herein includes an image display panel outputting image signals; and a parallax barrier arranged in front of the panel, being spaced at a particular distance, and having a plurality of transparent portions. The transparent portions of the barrier have a plurality of transverse lines, each of which forms one cycle, and the transparent portions that are adjacent to each other in the longitudinal direction in one cycle are arranged to emit images to different fields of view, respectively. The panel operates on and off by lines in the transverse direction based on views.Type: ApplicationFiled: December 14, 2009Publication date: July 22, 2010Inventors: Sung Kyu Kim, Seon Kyu Yoon