Patents by Inventor Chang Joon Lee
Chang Joon 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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Patent number: 11935912Abstract: A display apparatus including a thin film transistor (TFT) substrate; a first LED sub-unit, a second LED sub-unit, and a third LED sub-unit; first, second, third, and fourth electrode pads disposed between the TFT substrate and the first LED sub-unit; and connectors connecting the first, second, and third LED sub-units to a respective one of the electrode pads, in which the first, second, and third sub-units are configured to be independently driven; light generated from the first LED sub-unit is emitted to the outside of the display apparatus by passing through the second and third LED sub-units; light generated from the second LED sub-unit is emitted to the outside of the display apparatus by passing through the third LED sub-unit; and at least one of the connectors includes a first portion electrically connecting a first surface of the first LED sub-unit to the second electrode pad.Type: GrantFiled: June 22, 2022Date of Patent: March 19, 2024Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Hyeon Chae, Seong Gyu Jang, Ho Joon Lee, Chang Yeon Kim, Chung Hoon Lee
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Publication number: 20240066919Abstract: A drive axle assembly capable of reducing drag torque by eliminating an inner bearing seal from a wheel bearing and capable of reducing the generation of frictional noise at corrugations of a boot. The drive axle assembly includes a wheel bearing assembled with a wheel housing, an outer ring having a ring shape and including an outer-diameter portion secured to an outer wheel of a wheel bearing, a boot including a large-diameter portion formed at one end thereof and assembled with an inner-diameter portion of the outer ring, and a bearing seal unit disposed between a small-diameter portion formed at the other end of the boot and a drive shaft to restrict rotation of the boot and to prevent introduction of foreign substances.Type: ApplicationFiled: August 25, 2022Publication date: February 29, 2024Inventors: Chang Hee JEONG, Hee Joon KIM, Bum Jae LEE
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Publication number: 20230334341Abstract: A method for augmenting data according to some embodiments of the present disclosure includes obtaining a score prediction model learned using a first noisy sample of a first class, generating a second noisy sample by adding the noise with the specified distribution to a sample of a second class, and generating a fake sample of the first class from the second noisy sample using a score for the second noisy sample predicted through the score prediction model.Type: ApplicationFiled: January 27, 2023Publication date: October 19, 2023Applicants: SAMSUNG SDS CO., LTD., INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: Min Jung KIM, Se Won PARK, No Seong PARK, Ja Young KIM, Chae Jeong LEE, Yeh Jin SHIN, Chang Joon LEE, Ji Hoon CHOI
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Patent number: 11437410Abstract: A display apparatus includes a plurality of inorganic light emitting diodes (LEDs) configured to form a single pixel, a plurality of signal electrodes configured to supply a data signal to the plurality of inorganic LEDs, and a common electrode configured to provide a ground to the plurality of inorganic LEDs.Type: GrantFiled: August 20, 2019Date of Patent: September 6, 2022Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Joon Lee, Kyung Woon Jang, Chang Kyu Chung, Young Jun Moon
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Patent number: 11032952Abstract: An electronic device includes a printed circuit board (PCB) including a first surface, a second surface facing a direction opposite the first surface, and a side surface surrounding a space between the first surface and the second surface, at least one component disposed on the first surface, a shield can surrounding the at least one component and a partial area of the PCB, and an adhesive that bonds the shield can and the first surface, and that bonds the shield can and the second surface, and at least a portion of the shield can does not bond with the side surface.Type: GrantFiled: March 13, 2018Date of Patent: June 8, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Chang Joon Lee, Yong Won Lee, Hyun Tae Jang
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Publication number: 20200105792Abstract: A display apparatus includes a plurality of inorganic light emitting diodes (LEDs) configured to form a single pixel, a plurality of signal electrodes configured to supply a data signal to the plurality of inorganic LEDs, and a common electrode configured to provide a ground to the plurality of inorganic LEDs.Type: ApplicationFiled: August 20, 2019Publication date: April 2, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Chang Joon LEE, Kyung Woon JANG, Chang Kyu CHUNG, Yong Jun MOON
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Patent number: 10542646Abstract: According to various embodiments of the present disclosure, a metal unit may include: a core metal layer that is mainly composed of iron (Fe); and an outer layer formed on at least one face of the core metal layer, and bonded to solder so as to be attached to a printed circuit board. The metal unit and an electronic device including the same may be variously implemented according to embodiments.Type: GrantFiled: March 27, 2018Date of Patent: January 21, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Chang-Joon Lee, Yong-Won Lee, Hyun-Tae Jang
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Publication number: 20180279516Abstract: According to various embodiments of the present disclosure, a metal unit may include: a core metal layer that is mainly composed of iron (Fe); and an outer layer formed on at least one face of the core metal layer, and bonded to solder so as to be attached to a printed circuit board. The metal unit and an electronic device including the same may be variously implemented according to embodiments.Type: ApplicationFiled: March 27, 2018Publication date: September 27, 2018Inventors: Chang-Joon LEE, Yong-Won LEE, Hyun-Tae JANG
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Publication number: 20180270997Abstract: An electronic device includes a printed circuit board (PCB) including a first surface, a second surface facing a direction opposite the first surface, and a side surface surrounding a space between the first surface and the second surface, at least one component disposed on the first surface, a shield can surrounding the at least one component and a partial area of the PCB, and an adhesive that bonds the shield can and the first surface, and that bonds the shield can and the second surface, and at least a portion of the shield can does not bond with the side surface.Type: ApplicationFiled: March 13, 2018Publication date: September 20, 2018Inventors: Chang Joon LEE, Yong Won LEE, Hyun Tae JANG
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Patent number: 10035795Abstract: The present invention provides a phenothiazine derivative or a pharmaceutically acceptable salt thereof, a method of preparing a compound selected therefrom and a pharmaceutical composition containing the compound as an active ingredient. The phenothiazine derivative according to the present invention has an effect of inhibiting calmodulin (CaM; calcium-modulated protein) and thus helps cell death by maintaining the intracellular level of calcium in lung cancer cells at high concentration. Accordingly, the phenothiazine derivative according to the present invention can be usefully used to prevent or treat malignant tumors such as lung cancer.Type: GrantFiled: April 6, 2017Date of Patent: July 31, 2018Assignee: Korea Institute of Science and TechnologyInventors: Eun Joo Roh, Bo Ra Mi Jeon, Chang Joon Lee, Jin Pyo Hong, Joo Yeon Jeong, Sang Soo Kang
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Patent number: 9183837Abstract: An apparatus and a method for determining a bit rate of audio content, and more particularly, an audio content bit rate determining apparatus and a method capable of quickly and correctly identifying audio content compressed at a constant bit rate from among audio content compressed at a variable bit rate and a constant bit rate, are provided. The apparatus includes a first bit rate determiner for determining a bit rate type of audio content having frames with the same frame size by skipping a predetermined number of frames with respect to the audio content, and a second bit rate determiner for determining a bit rate type of audio content having frames with different frame sizes by skipping a predetermined number of frames with respect to the audio content.Type: GrantFiled: November 23, 2012Date of Patent: November 10, 2015Assignee: Samsung Electronics Co., Ltd.Inventor: Chang-Joon Lee
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Patent number: 8984561Abstract: An apparatus and a method for playing a plurality of moving images as one moving image are provided. The apparatus at a terminal includes a display unit for playing the plurality of moving images as one moving image and a controller for connecting the plurality of moving images through connection information for a respective one of the plurality of moving images to play the plurality of moving images as one moving image. The apparatus at a server includes a controller for connecting or converting the plurality of moving images as or into one moving image through connection information for a respective one of the plurality of moving images, and for performing a control operation to sequentially transmit the plurality of moving images according to the connection information in a streaming manner to a terminal, and a transmitter for sequentially transmitting the plurality of moving images to the terminal.Type: GrantFiled: April 22, 2013Date of Patent: March 17, 2015Assignee: Samsung Electronics Co., Ltd.Inventors: Chang-Joon Lee, Kwan-Woong Song
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Patent number: 8874449Abstract: Downmixing multi-channel audio signals to target channels by pre-downmixing frequency coefficients that are encoded using a most frequently used block type in stereo channels in the frequency domain, thereby reducing an amount of calculations and an amount of power required to downmix the multi-channel audio signals.Type: GrantFiled: October 13, 2011Date of Patent: October 28, 2014Assignee: Samsung Electronics Co., Ltd.Inventor: Chang-joon Lee
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Patent number: 8793078Abstract: The present invention provides a method for constructing a database of atomic fingerprint descriptors. The invention provides a method for predicting activation energy using an atomic fingerprint descriptor and an atomic descriptor, the method comprising the steps of: (i) calculating the atomic fingerprint descriptor of a substrate; (ii) comparing the calculated atomic fingerprint descriptor with the constructed atomic fingerprint descriptor database to select an atomic position where cytochrome P450-mediated metabolism occurs; and (iii) predicting activation energy for the selected atomic position using an atomic descriptor. Also, the invention provides a method of predicting the activation energy of CYP450-mediated phase I metabolism using effective atomic descriptors.Type: GrantFiled: October 20, 2011Date of Patent: July 29, 2014Assignee: Bioinformatics & Molecular Design Research CenterInventors: Ky Youb Nam, Kyoung Tai No, Doo Nam Kim, Won Seok Oh, Sung Kwang Lee, Ji Hoon Jung, Kwang Hwi Cho, Chang Joon Lee
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Patent number: 8676042Abstract: A multimedia content frame seeking method and apparatus is provided. The multimedia content frame seeking method may include setting a candidate position for a target frame, the target frame corresponding to a target time, according to an average bitrate of an average bitrate calculation section that is set with respect to frames in the multimedia content, adjusting the candidate position by progressively decreasing a size of the average bitrate calculation section based on the candidate position, and determining the target frame to be a frame having a start time that differs from the target time by a difference within a predetermined allowable range of error, wherein the target frame is determined from among frames of which starting points are closest to candidate positions.Type: GrantFiled: November 1, 2012Date of Patent: March 18, 2014Assignee: Samsung Electronics Co., Ltd.Inventor: Chang-Joon Lee
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Publication number: 20130312026Abstract: An apparatus and a method for playing a plurality of moving images as one moving image are provided. The apparatus at a terminal includes a display unit for playing the plurality of moving images as one moving image and a controller for connecting the plurality of moving images through connection information for a respective one of the plurality of moving images to play the plurality of moving images as one moving image. The apparatus at a server includes a controller for connecting or converting the plurality of moving images as or into one moving image through connection information for a respective one of the plurality of moving images, and for performing a control operation to sequentially transmit the plurality of moving images according to the connection information in a streaming manner to a terminal, and a transmitter for sequentially transmitting the plurality of moving images to the terminal.Type: ApplicationFiled: April 22, 2013Publication date: November 21, 2013Applicant: Samsung Electronics Co. Ltd.Inventors: Chang-Joon LEE, Kwan-Woong SONG
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Publication number: 20130034232Abstract: A method of down-mixing a multi-channel audio signal is provided. The method including restoring sub-band Pulse Coded Modulation (PCM) samples for each channel of the multi-channel audio signal by decoding the multi-channel audio-signal and then dequantizing a sub-band coded multi-channel audio signal, scaling the restored sub-band PCM samples for each channel with a coefficient corresponding to a down-mixing configuration, generating sub-band PCM samples corresponding to predetermined channels by down-mixing the scaled sub-band PCM samples for each channel into the predetermined channels, and performing inverse sub-band filtering on the generated sub-band PCM samples corresponding to the predetermined channels.Type: ApplicationFiled: July 20, 2012Publication date: February 7, 2013Applicant: SAMSUNG ELECTRONICS CO. LTD.Inventor: Chang-Joon LEE
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Publication number: 20120093322Abstract: Downmixing multi-channel audio signals to target channels by pre-downmixing frequency coefficients that are encoded using a most frequently used block type in stereo channels in the frequency domain, thereby reducing an amount of calculations and an amount of power required to downmix the multi-channel audio signals.Type: ApplicationFiled: October 13, 2011Publication date: April 19, 2012Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventor: Chang-joon LEE
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Publication number: 20120084012Abstract: The present invention provides a method for constructing a database of atomic fingerprint descriptors. The invention provides a method for predicting activation energy using an atomic fingerprint descriptor and an atomic descriptor, the method comprising the steps of: (i) calculating the atomic fingerprint descriptor of a substrate; (ii) comparing the calculated atomic fingerprint descriptor with the constructed atomic fingerprint descriptor database to select an atomic position where cytochrome P450-mediated metabolism occurs; and (iii) predicting activation energy for the selected atomic position using an atomic descriptor. Also, the invention provides a method of predicting the activation energy of CYP450-mediated phase I metabolism using effective atomic descriptors.Type: ApplicationFiled: October 20, 2011Publication date: April 5, 2012Applicant: BIOINFORMATICS & MOLECULAR DESIGN RESEARCH CENTERInventors: Ky Youb Nam, Kyoung Tai No, Doo Nam Kim, Won Seok Oh, Sung Kwang Lee, Ji Hoon Jung, Kwang Hwi Cho, Chang Joon Lee
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Publication number: 20110213558Abstract: The present invention provides a method for constructing a database of atomic fingerprint descriptors. The invention provides a method for predicting activation energy using an atomic fingerprint descriptor and an atomic descriptor, the method comprising the steps of: (i) calculating the atomic fingerprint descriptor of a substrate; (ii) comparing the calculated atomic fingerprint descriptor with the constructed atomic fingerprint descriptor database to select an atomic position where cytochrome P450-mediated metabolism occurs; and (iii) predicting activation energy for the selected atomic position using an atomic descriptor. Also, the invention provides a method of predicting the activation energy of CYP450-mediated phase I metabolism using effective atomic descriptors.Type: ApplicationFiled: November 12, 2009Publication date: September 1, 2011Applicant: Bioinformatics & Molecular Design Research CenterInventors: Ky Youb Nam, Kyoung Tai No, Doo Nam Kim, Won Seok Oh, Sung Kwang Lee, Ji Hoon Jung, Kwang Hwi Cho, Chang Joon Lee