Patents by Inventor Jun Chun
Jun Chun 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: 10160010Abstract: The present invention relates to a haptic actuator that generates vibration, and more particularly, to a vibration actuator that can reduce falling time of vibration after applied power is blocked while maintaining a vibration force.Type: GrantFiled: July 12, 2016Date of Patent: December 25, 2018Assignee: G2HYSONIC CO., LTD.Inventors: Se Jun Chun, Jong Sik Seo
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Patent number: 10158277Abstract: The present invention relates to a haptic actuator, and the vibrating body includes a first magnet and a second magnet that are disposed on one end of the coil member in the vertical direction to be spaced apart from each other; a third magnet and a second magnet that are disposed on the other end of the coil member in the vertical direction to be spaced apart from each other; a first magnetic body that is mounted on one end of the first magnet and the third magnet in the horizontal direction; a second magnetic body that is mounted on the other end of the second magnet and the fourth magnet in the horizontal direction; and the first weight and the second weight that is mounted the first magnetic body and the second magnetic body respectively, the polarities of the first magnet and the second magnet having a north pole in the direction facing each other and a south pole in the opposite direction thereof, and the polarities of the third magnet and the forth magnet having a north pole in the direction facing eacType: GrantFiled: June 29, 2015Date of Patent: December 18, 2018Assignee: G2HYSONIC CO., LTD.Inventor: Se Jun Chun
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Patent number: 10158047Abstract: Disclosed is a semiconductor light emitting device including: a plurality of semiconductor layers; a first non-conductive reflective film formed on the plurality of semiconductor layer to reflect light from the active layer, wherein the first non-conductive reflective film includes multiple layers and has a first incident angle as the Brewster angle; a second non-conductive reflective film formed on the first non-conductive reflective film to reflect light transmitted through the first non-conductive reflective film, wherein the second non-conductive reflective film includes multiple layers, with part of which being made of a different material from the first non-conductive reflective film, and has a second incident angle as the Brewster angle, different from the first incident angle; and an electrode electrically connected to one of the plurality of semiconductor layers.Type: GrantFiled: April 4, 2016Date of Patent: December 18, 2018Assignee: SEMICON LIGHT CO., LTD.Inventors: Soo Kun Jeon, Jun Chun Park, Il Gyun Choi, Sung Gi Lee, Dae Soo Soul, Tea Jin Kim, Yeon Ho Jeong, Geun Mo Jin, Sung Chan Lee
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Patent number: 10032960Abstract: Disclosed is a semiconductor light emitting device including: multiple semiconductor layers including a first semiconductor layer, a second semiconductor layer, and an active layer; an electrode electrically connected with the multiple semiconductor layers; a light absorption barrier disposed about at least the electrode; and a non-conductive reflective film adapted to cover the multiple semiconductor layers, the light absorption barrier and the electrode and to reflect light from the active layer, wherein the non-conductive reflective film has an abnormal region of a lower reflectivity around the electrode due to a height difference between the light absorption barrier and the electrode, wherein a portion of the non-conductive reflective film exposed from the electrode is made longer than the abnormal region as seen in a cross-sectional view of the electrode.Type: GrantFiled: June 3, 2015Date of Patent: July 24, 2018Assignee: SEMICON LIGHT CO., LTD.Inventors: Soo Kun Jeon, Tae Hyun Kim, Tea Jin Kim, Jun Chun Park, Byeong Seob Kim, Jong Won Kim, Ki Man Park
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Publication number: 20180076362Abstract: Disclosed is a semiconductor light emitting device including: a plurality of semiconductor layers; a first non-conductive reflective film formed on the plurality of semiconductor layer to reflect light from the active layer, wherein the first non-conductive reflective film includes multiple layers and has a first incident angle as the Brewster angle; a second non-conductive reflective film formed on the first non-conductive reflective film to reflect light transmitted through the first non-conductive reflective film, wherein the second non-conductive reflective film includes multiple layers, with part of which being made of a different material from the first non-conductive reflective film, and has a second incident angle as the Brewster angle, different from the first incident angle; and an electrode electrically connected to the plurality of semiconductor layers.Type: ApplicationFiled: April 4, 2016Publication date: March 15, 2018Inventors: Soo Kun JEON, Jun Chun PARK, Il Gyun CHOI, Sung Gi LEE, Dae Soo SOUL, Tea Jin KIM, Yeon Ho JEONG, Geun Mo JIN, Sung Chan LEE
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Patent number: 9877129Abstract: The present invention extracts azimuth information on a sound source, read the touch state of a touch screen on which an image is displayed, and enables a sound source having azimuth information corresponding to a place touched on the image to be synthesized so as to be distinguished from other sound sources. According to the present invention, since it is possible to listen to the distinguished sound of a desired location on an image, a user may be provided with more satisfaction.Type: GrantFiled: October 4, 2013Date of Patent: January 23, 2018Assignee: Gwangju Institute of Science and TechnologyInventors: Hong Kook Kim, Chan Jun Chun
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Patent number: 9866984Abstract: A method includes extracting a difference value through extraction of features of a front audio channel signal and a surround channel of multichannel sound content by setting the front audio channel signal and the surround channel as input and output channel signals, respectively, training a deep neural network (DNN) model by setting the input channel signal and the difference value as an input and an output of the DNN model, respectively, normalizing a frequency-domain signal of the input channel signal by converting the input channel signal into the frequency-domain signal, and extracting estimated difference values by decoding the normalized frequency-domain signal through the DNN model, deriving an estimated spectral amplitude of the surround channel based on the front audio channel signal and the difference value, and deriving an audio signal of a final surround channel by converting the estimated spectral amplitude of the surround channel into the time domain.Type: GrantFiled: November 18, 2016Date of Patent: January 9, 2018Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Hong Kook Kim, Su Yeon Park, Chan Jun Chun
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Patent number: 9815085Abstract: A haptic actuator having a vibrating body which comprises a first magnetic body disposed on one end of the coil member in the vertical direction; a second magnetic body disposed on an opposite end of the coil member in the vertical direction; a first magnet and a second magnet mounted on both ends of the first magnetic body in the horizontal direction respectively; a third magnet and a forth magnet mounted on both ends of the second magnetic body in the horizontal direction respectively; a third magnetic body mounted on one ends of the first magnet and the third magnet in the horizontal direction; a forth magnetic body mounted on the opposite ends of the second magnet and the forth magnet in the horizontal direction; and a first weight and the second weight mounted on the third magnetic body and the forth magnetic body respectively.Type: GrantFiled: July 18, 2014Date of Patent: November 14, 2017Assignee: HYSONIC. CO., LTD.Inventor: Se Jun Chun
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Patent number: 9759968Abstract: A thin film transistor substrate includes a gate electrode on a base substrate, an active pattern on the gate electrode, a source electrode on a first end of the active pattern, a drain electrode on a second end of the active pattern, an organic insulation layer on the source electrode and the drain electrode, and a transparent electrode contacting the drain electrode through a contact opening in the organic insulation layer. The drain electrode is spaced from the source electrode. The organic insulation layer includes a first thickness portion around the contact opening and a second thickness portion adjacent to the first thickness portion. The second thickness portion has a thickness greater than that of the first thickness portion.Type: GrantFiled: December 18, 2014Date of Patent: September 12, 2017Assignee: Samsung Display Co., Ltd.Inventors: Ki-Hyun Cho, Sung-Kyun Park, Ji-Hyun Kim, Jeong-Min Park, Jung-Soo Lee, Jun Chun, Jin-Ho Ju
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Patent number: 9741748Abstract: A thin film transistor array panel includes a substrate, a gate line and a gate pad disposed on the substrate, a gate insulating layer disposed on the gate line and the gate pad, a data line and a data pad disposed on the gate insulating layer, an organic layer disposed on the data line and the data pad, and a connecting member disposed on one of the gate pad and the data pad, in which the organic layer includes a first portion overlapping the connecting member and a second portion not overlapping the connecting member, and a height of the first portion of the organic layer is greater than a height of the second portion of the organic layer.Type: GrantFiled: January 6, 2016Date of Patent: August 22, 2017Assignee: Samsung Display Co., Ltd.Inventors: Jeong Min Park, Sung Kyun Park, Jung-Soo Lee, Ji-Hyun Kim, Jun Chun
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Publication number: 20170171683Abstract: A method includes extracting a difference value through extraction of features of a front audio channel signal and a surround channel of multichannel sound content by setting the front audio channel signal and the surround channel as input and output channel signals, respectively, training a deep neural network (DNN) model by setting the input channel signal and the difference value as an input and an output of the DNN model, respectively, normalizing a frequency-domain signal of the input channel signal by converting the input channel signal into the frequency-domain signal, and extracting estimated difference values by decoding the normalized frequency-domain signal through the DNN model, deriving an estimated spectral amplitude of the surround channel based on the front audio channel signal and the difference value, and deriving an audio signal of a final surround channel by converting the estimated spectral amplitude of the surround channel into the time domain.Type: ApplicationFiled: November 18, 2016Publication date: June 15, 2017Inventors: Hong Kook KIM, Su Yeon PARK, Chan Jun CHUN
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Publication number: 20170120297Abstract: A haptic actuator having a vibrating body which comprises a first magnetic body disposed on one end of the coil member in the vertical direction; a second magnetic body disposed on an opposite end of the coil member in the vertical direction; a first magnet and a second magnet mounted on both ends of the first magnetic body in the horizontal direction respectively; a third magnet and a forth magnet mounted on both ends of the second magnetic body in the horizontal direction respectively; a third magnetic body mounted on one ends of the first magnet and the third magnet in the horizontal direction; a forth magnetic body mounted on the opposite ends of the second magnet and the forth magnet in the horizontal direction; and a first weight and the second weight mounted on the third magnetic body and the forth magnetic body respectively.Type: ApplicationFiled: July 18, 2014Publication date: May 4, 2017Inventor: Se Jun CHUN
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Publication number: 20170125641Abstract: Disclosed is a semiconductor light emitting device including: multiple semiconductor layers including a first semiconductor layer, a second semiconductor layer, and an active layer; an electrode electrically connected with the multiple semiconductor layers; a light absorption barrier disposed about at least the electrode; and a non-conductive reflective film adapted to cover the multiple semiconductor layers, the light absorption barrier and the electrode and to reflect light from the active layer, wherein the non-conductive reflective film has an abnormal region of a lower reflectivity around the electrode due to a height difference between the light absorption barrier and the electrode, wherein a portion of the non-conductive reflective film exposed from the electrode is made longer than the abnormal region as seen in a cross-sectional view of the electrode.Type: ApplicationFiled: June 3, 2015Publication date: May 4, 2017Inventors: Soo Kun JEON, Tae Hyun KIM, Tea Jin KIM, Jun Chun PARK, Byeong Seob KIM, Jong Won KIM, Ki Man PARK
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Patent number: 9619981Abstract: A haptic actuator more improved performance in response speed, frequency band, etc according to touch of user by improving magnetic force structure, comprises a case having an accommodation space therein; a core fixedly mounted in the accommodation space; a first coil member and a second coil member mounted on the outside of the core to be vertically spaced apart each other; a center yoke disposed between the first coil member and the second coil member and mounted on the outside of the core; a magnet disposed on the outside of the center yoke; a weight fixedly mounted on the outside of the magnet; a first elastic member having an end fixed to the magnet and the weight, and an opposite end fixed to the upper of the case and elastically supporting the magnet and the weight.Type: GrantFiled: July 18, 2014Date of Patent: April 11, 2017Assignee: HYSONIC. CO., LTD.Inventor: Se Jun Chun
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Patent number: 9606392Abstract: A display panel includes: a substrate including red, green, blue and white sub-pixel areas; red, green and blue color filter layers respectively in the red, green and blue sub-pixel areas; and a dummy color filter layer in the white sub-pixel area. The dummy color filter layer is adjacent to at least one of the red color filter layer, the green color filter layer, and the blue color filter layer, and the dummy color filter layer forms a step with the adjacent color filter layer.Type: GrantFiled: May 14, 2013Date of Patent: March 28, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung Kyun Park, Jung-Soo Lee, Jeong Min Park, You Young Jin, Ji-Hyun Kim, Jun Chun, Jin Ho Ju
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Patent number: 9590166Abstract: A vibrator equipped with a piezoelectric element includes a vibrating member which is formed into a flat type and of which both ends are coupled to an object; a piezoelectric element which is coupled to an upper or lower surface of the vibrating member; and a power supply part which supplies power to the piezoelectric element, wherein the vibrating member includes an operating part including a first operating surface which is disposed horizontally and a second operating surface which is bent down and extended from both ends of the first operating surface; and a fixing part which is extended from the both ends of the operating so as to be coupled to the object.Type: GrantFiled: September 24, 2012Date of Patent: March 7, 2017Assignee: HYSONIC. CO., LTD.Inventors: He Won Jung, Jong Sik Seo, Se Jun Chun, Min Gi Kim
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Publication number: 20170056927Abstract: The present invention relates to a haptic actuator that generates vibration, and more particularly, to a vibration actuator that can reduce falling time of vibration after applied power is blocked while maintaining a vibration force.Type: ApplicationFiled: July 12, 2016Publication date: March 2, 2017Inventors: Se Jun CHUN, Jong Sik SEO
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Publication number: 20160344902Abstract: A streaming reproduction device according to the present disclosure includes a decoder for decoding a file transmitted from a library, an image reproduction device for reproducing an image decoded in the decoder, an audio reproduction device for reproducing an audio decoded in the decoder, and a synchronizer for synchronizing image information with audio information to output the synchronized information. In accordance with the present disclosure, regardless of file information and a communication environment, the stereo extension device may be optimally activated, a sound quality may be improved, and stereo may be stably provided under a streaming environment.Type: ApplicationFiled: May 19, 2016Publication date: November 24, 2016Inventors: Hong-Kook KIM, Seok-Hee JEONG, Chan-Jun CHUN
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Publication number: 20160336842Abstract: The present invention relates to a haptic actuator, and the vibrating body includes a first magnet and a second magnet that are disposed on one end of the coil member in the vertical direction to be spaced apart from each other; a third magnet and a second magnet that are disposed on the other end of the coil member in the vertical direction to be spaced apart from each other; a first magnetic body that is mounted on one end of the first magnet and the third magnet in the horizontal direction; a second magnetic body that is mounted on the other end of the second magnet and the fourth magnet in the horizontal direction; and the first weight and the second weight that is mounted the first magnetic body and the second magnetic body respectively, the polarities of the first magnet and the second magnet having a north pole in the direction facing each other and a south pole in the opposite direction thereof, and the polarities of the third magnet and the forth magnet having a north pole in the direction facing eacType: ApplicationFiled: June 29, 2015Publication date: November 17, 2016Inventor: Se Jun CHUN
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Patent number: 9448476Abstract: A photoresist composition includes about 0.1 to about 30 parts by weight of a photo-initiator, about 1 to 50 parts by weight of a first acrylate monomer including at least five functional groups, about 1 to 50 parts by weight of a second acrylate monomer including at most four functional groups with respect to about 100 parts by weight of an acryl-copolymer.Type: GrantFiled: October 24, 2014Date of Patent: September 20, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Kyun Park, Jeong-Min Park, Jung-Soo Lee, Ji-Hyun Kim, Jun Chun, Ki-Hyun Cho, Hyoc-Min Youn, Tai-Hoon Yeo, Jin-Sun Kim, Byung-Uk Kim