Patents by Inventor Kwang-Yong Choi
Kwang-Yong Choi 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).
-
Publication number: 20190013439Abstract: One embodiment comprises: a substrate; a first conductive semiconductor layer disposed on the substrate; a second conductive semiconductor layer disposed on the first conductive semiconductor layer; and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, wherein the first conductive semiconductor layer comprises a first area where a partial area of the first conductive semiconductor layer is exposed, and comprises an inclination part which is disposed between the upper surface of the first area and the upper surface of the second conductive semiconductor layer, wherein the inclination part comprises a first edge making contact with the upper surface of the second conductive semiconductor layer, and a second edge making contact with the upper surface of the first area of the first conductive semiconductor layer, wherein the ratio of a first length to a second length is 1:0.87 to 1:4.Type: ApplicationFiled: December 28, 2016Publication date: January 10, 2019Inventors: Youn Joon SUNG, Yong Gyeong LEE, Kwang Yong CHOI
-
Publication number: 20180343473Abstract: A method for providing a content service using a content acquisition apparatus, a server, and a content execution apparatus includes generating video data using a camera of the content acquisition apparatus, generating motion data by measuring an angular velocity and acceleration of the content acquisition apparatus using sensors of the content acquisition apparatus, and generating content by synchronizing the video data with the motion data, reading, by the server, a first set signal from a memory, receiving, by the server, the content transmitted from the content acquisition apparatus and storing the content in a database when the first set signal indicates VOD streaming, and receiving, by the server, the content transmitted from the content acquisition apparatus and live streaming the content to the content execution apparatus when the first set signal indicates live streaming.Type: ApplicationFiled: May 22, 2018Publication date: November 29, 2018Inventors: Won Suk Jeong, Jin Hun Kim, Kwang Yong Choi
-
Publication number: 20180226541Abstract: An embodiment provides a light emitting element comprising: a light emitting structure including a first conductive semiconductor layer, an active layer on the first conductive semiconductor layer, and a second conductive semiconductor layer on the active layer; a plurality of conductor layers selectively arranged on the second conductive semiconductor layer; and a reflective electrode disposed on the conductor layers and the second conductive semiconductor layer.Type: ApplicationFiled: July 29, 2016Publication date: August 9, 2018Applicant: LG INNOTEK CO., LTD.Inventors: Yong Gyeong LEE, Min Sung KIM, Su Ik PARK, Youn Joon SUNG, Kwang Yong CHOI
-
Publication number: 20180226542Abstract: An embodiment relates to a light-emitting device comprising: a light-emitting structure which comprises a first conductive semiconductor layer, a second conductive semiconductor layer, and an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and comprises a plurality of first recesses passing through the second conductive semiconductor layer and active layer and disposed on a part of an area of the first conductive semiconductor layer; a first electrode which is electrically connected to the first conductive semiconductor layer inside the plurality of first recesses; a conductive support substrate which is electrically connected to the first electrode; a second electrode which is electrically connected to the second conductive semiconductor layer; and an insulating layer which is disposed between the conductive support substrate and second conductive semiconductor layer, wherein a second recess passes through the first conductive semiconductoType: ApplicationFiled: August 25, 2016Publication date: August 9, 2018Inventors: Su Ik PARK, Min Sung KIM, Youn Joon SUNG, Yong Gyeong LEE, Kwang Yong CHOI
-
Publication number: 20180219133Abstract: Embodiments disclose a light-emitting device including a light-emitting structure including a first conductive semiconductor layer, a second conductive semiconductor layer, an active layer disposed between the first conductive semiconductor layer and the second conductive semiconductor layer, and a first recess and a second recess passing through the second conductive semiconductor layer and the active layer and disposed up to a partial region of the first conductive semiconductor layer, a connection electrode disposed inside the first recess and electrically connected to the first conductive semiconductor layer, a reflective layer disposed inside the second recess, and an insulation layer configured to electrically insulate the reflective layer and the light-emitting structure, and a light-emitting device package including the same.Type: ApplicationFiled: August 25, 2016Publication date: August 2, 2018Inventors: Su Ik PARK, Min Sung KIM, Youn Joon SUNG, Yong Gyeong LEE, Kwang Yong CHOI
-
Publication number: 20180083165Abstract: An embodiment relates to a light-emitting element that easily dissipates heat through a pad and has a uniform heat distribution, the light-emitting element including a light-emitting structure that includes a first semiconductor layer, an active layer, and a second semiconductor layer; a first electrode that is formed on one side of the light-emitting structure and includes a plurality of contact parts electrically connected with the first semiconductor layer; a second electrode formed on the one side of the light-emitting structure and electrically connected with the second semiconductor layer; a first pad connected with the first electrode; and a second pad spaced apart from the first pad and connected with the second electrode, wherein the plurality of contact parts are arranged on the first and second pads.Type: ApplicationFiled: March 31, 2016Publication date: March 22, 2018Applicant: LG INNOTEK CO., LTD.Inventors: Woo Sik LIM, Min Sung KIM, Eun Woo RO, Su Ik PARK, Youn Joon SUNG, Kwang Yong CHOI
-
Publication number: 20150332918Abstract: Provided is a semiconductor substrate including a growth substrate, one or more compound semiconductor layers disposed on the growth substrate, and one or more control layers disposed between the compound semiconductor layers. Each control layer includes multiple nitride semiconductor layers including at least Al.Type: ApplicationFiled: March 20, 2013Publication date: November 19, 2015Inventors: Jung-Hyun EUM, Kwang-Yong CHOI, Jae-Ho SONG, Dong-Kun LEE, Kye-Jin LEE, Young-Jae CHOI
-
Patent number: 9159110Abstract: Disclosed is a method for sharing reliable information or knowledge with regard to a question using an on-line human network. The on-line human network-based knowledge sharing method is to share knowledge based on an acquaintance information database. The database stores the IDs of a plurality of users, and the correspondence relationships of the user IDs, which represent acquaintanceships between the users on the on-line human network. The method includes allowing a first user to write a question message in a form that can be forwarded through the network, generating a question ID for identifying the question message and storing the generated question ID, causing the ID of the first user to correspond to the question ID, allowing a second user who is acquainted with the first user to receive the message, and causing the ID of the second user to correspond to the question ID.Type: GrantFiled: July 20, 2007Date of Patent: October 13, 2015Assignee: NHN CORPORATIONInventors: Yong Joon Hyoung, Kwang Yong Choi
-
Patent number: 8009664Abstract: A method for exchanging media description information between user agents using a session initiation protocol (SIP) comprises the steps of: providing information on an OS and sound module of a first user agent so that the first user agent generates, in a media description field of a session description protocol (SDP), an SIP message including the information on the OS and sound module of the first user agent, and sends it to a second user agent; and setting a processing format for voice data of the second user agent so that the second user agent determines the voice data format supportable by the first user agent from the information on the OS and sound module of the first user agent, compares it with the voice data format supportable by the second user agent, and sets a format commonly supportable by the first and second user agents as the voice data format of the second user agent.Type: GrantFiled: December 23, 2005Date of Patent: August 30, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Taek-Ho Kim, Myeon-Kee Youn, Seong-Joon Jeon, Jin-Suk Lee, Kwang-Yong Choi, Jae-Kil Lee
-
Patent number: 7805519Abstract: A method for scaling a display size between different types of user agents. The method includes exchanging session initiation protocol messages including media information when performing a call setup for setting up a media session between the user agents; determining any one of the user agents to scale the display size from the exchanged media information; and scaling, by the determined user agent, the display size on the basis of the media information, and sending video data subject to the scaling to the other user agent(s).Type: GrantFiled: November 30, 2005Date of Patent: September 28, 2010Assignee: Samsung Electronics Co., Ltd.Inventors: Young-Sook Ryu, Seong-Joon Jeon, Jun-Hwa Seo, Soung-Kwan Kim, Taek-Ho Kim, Ji-Youn Jung, Kwang-Yong Choi, Hyun-Min Yoon
-
Publication number: 20100017470Abstract: Disclosed are an apparatus and method for communication using an icon. A first communication terminal of a first user stores a second user icon profile including an icon(s) representing at least one communication terminal used by a second user and a second communication terminal of the second user stores a first user icon profile including an icon(s) representing at least one communication terminal used by the first user. When the first user a first icon from the at least one icon forming the second user icon profile, the first user can communication with the second communication terminal of the second user represented by the first icon using the first communication terminal.Type: ApplicationFiled: March 7, 2006Publication date: January 21, 2010Applicant: E-INFRA NETWORKSInventors: Yong-Joon Hyoung, Jin-Young Shin, Kwang-Yong Choi
-
Publication number: 20080046516Abstract: Disclosed is a method for sharing reliable information or knowledge with regard to a question using an on-line human network. The on-line human network-based knowledge sharing method is to share knowledge based on an acquaintance information database. The database stores the IDs of a plurality of users, and the correspondence relationships of the user IDs, which represent acquaintanceships between the users on the on-line human network. The method includes allowing a first user to write a question message in a form that can be forwarded through the network, generating a question ID for identifying the question message and storing the generated question ID, causing the ID of the first user to correspond to the question ID, allowing a second user who is acquainted with the first user to receive the message, and causing the ID of the second user to correspond to the question ID.Type: ApplicationFiled: July 20, 2007Publication date: February 21, 2008Applicant: NHN CORPORATIONInventors: YONG JOON HYOUNG, KWANG YONG CHOI
-
Publication number: 20070168422Abstract: In a method and system for providing selective media data in a multimedia conference service, a selective media data provision request of a participant who wants to be selectively provided with media data is transmitted to a media server using Session Initiation Protocol (SIP), and media data selected or converted according to the request to the user are provided, thereby improving user convenience.Type: ApplicationFiled: September 20, 2006Publication date: July 19, 2007Inventors: Mi-Ra Choe, Kwang-Yong Choi, Myeon-Kee Youn, Seong-Joon Jeon
-
Publication number: 20060159072Abstract: A method for exchanging media description information between user agents using a session initiation protocol (SIP) comprises the steps of: providing information on an OS and sound module of a first user agent so that the first user agent generates, in a media description field of a session description protocol (SDP), an SIP message including the information on the OS and sound module of the first user agent, and sends it to a second user agent; and setting a processing format for voice data of the second user agent so that the second user agent determines the voice data format supportable by the first user agent from the information on the OS and sound module of the first user agent, compares it with the voice data format supportable by the second user agent, and sets a format commonly supportable by the first and second user agents as the voice data format of the second user agent.Type: ApplicationFiled: December 23, 2005Publication date: July 20, 2006Inventors: Taek-Ho Kim, Myeon-Kee Youn, Seong-Joon Jeon, Jin-Suk Lee, Kwang-Yong Choi, Jae-Kil Lee
-
Publication number: 20060126082Abstract: An image processing apparatus and method are adapted to form an image of an object photographed by a camera at a preset resolution; crop a preset portion from the image; and display the cropped image portion in response to a request from a user. Then, the specific image portion can be zoomed or magnified without degradation of image quality and the zooming power or magnification can be adjusted by cropping and size-adjustment of the specific image portion.Type: ApplicationFiled: November 23, 2005Publication date: June 15, 2006Inventor: Kwang-Yong Choi
-
Publication number: 20060123013Abstract: A method for scaling a display size between different types of user agents. The method includes exchanging session initiation protocol messages including media information when performing a call setup for setting up a media session between the user agents; determining any one of the user agents to scale the display size from the exchanged media information; and scaling, by the determined user agent, the display size on the basis of the media information, and sending video data subject to the scaling to the other user agent(s).Type: ApplicationFiled: November 30, 2005Publication date: June 8, 2006Inventors: Young-Sook Ryu, Seong-Joon Jeon, Jun-Hwa Seo, Soung-Kwan Kim, Taek-Ho Kim, Ji-Youn Jung, Kwang-Yong Choi, Hyun-Min Yoon
-
Patent number: 6748750Abstract: The method for controlling a hybrid air conditioning system of a direct coupled motor-driven hybrid electric vehicle includes detecting operating conditions of the air conditioning system; and controlling the hybrid air conditioning system. The hybrid air conditioning system includes a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery.Type: GrantFiled: December 30, 2002Date of Patent: June 15, 2004Assignee: Hyundai Motor CompanyInventor: Kwang-Yong Choi
-
Publication number: 20040046517Abstract: An electric system of a vehicle includes a motor-generator unit disposed between an engine and a transmission for selectively functioning as a motor for driving the engine, and as an electric generator driven by the engine. A control unit recharges a battery unit (of a voltage higher than 14V) by controlling output electric power of the motor-generator unit, and drives the motor-generator unit with electric power of the battery unit. The control unit counts a number of pulses sequentially received from a magnetic sensor for a predetermined period, and calculates a rotation speed of the motor-generator unit based at least in part a value obtained by dividing the number of the received pulses by the predetermined period.Type: ApplicationFiled: December 30, 2002Publication date: March 11, 2004Inventors: Jong-Dae Kim, Kwang-Yong Choi
-
Publication number: 20030233840Abstract: The method for controlling a hybrid air conditioning system of a direct coupled motor-driven hybrid electric vehicle includes detecting operating conditions of the air conditioning system; and controlling the hybrid air conditioning system. The hybrid air conditioning system includes a mechanical air conditioner driven by an engine and an electric air conditioner driven by electric power of a battery.Type: ApplicationFiled: December 30, 2002Publication date: December 25, 2003Inventor: Kwang-Yong Choi