Patents by Inventor Chan Mo KANG
Chan Mo KANG 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: 20240119851Abstract: The present invention relates to a method and system for providing language learning services. The method of providing language learning services, according to the present invention, the method may include: activating, in response to receiving an input for acquiring a learning target image through a user terminal, a camera of the user terminal; specifying at least a portion of an image taken by the camera as the learning target image; receiving language learning information for the learning target image from a server; providing the language learning information to the user terminal; and storing, based on a request for storing of the language learning information, the language learning information in association with the learning target image, such that the learning target image is used in conjunction with learning of the language learning information.Type: ApplicationFiled: September 29, 2023Publication date: April 11, 2024Inventors: Eun Young LEE, Min Jung KIM, Yeun Hee KANG, Bong Hyun CHOI, Tae Un KIM, Soo Hyun LEE, Young Ho KIM, Chan Kyu CHOI, Jin Mo KU, Jong Won KIM
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Publication number: 20240057436Abstract: Disclosed is a display device. An embodiment of the inventive concept provides a display device that includes a substrate including a first sub pixel region, a second sub pixel region, and a third sub pixel region, reflective bottom electrodes provided on the substrate, a blue light emitting layer provided on the lower reflective electrodes, an encapsulation layer provided on the blue light emitting layer, a green color conversion layer provided on the encapsulation layer in the first sub pixel region, a color conversion layer provided on the encapsulation layer in the second sub pixel region, a blue reflective layer provided on both the green color conversion layer and the color conversion layer, and a blue transmissive layer disposed adjacent to the color conversion layer and provided on the encapsulation layer in the third sub pixel region.Type: ApplicationFiled: May 10, 2023Publication date: February 15, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chan-mo KANG, Byoung-Hwa KWON, Gi Heon KIM, Jin-Wook SHIN, Nam Sung CHO, Hyunsu CHO, Sukyung CHOI
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Publication number: 20230389400Abstract: Provided is a flexible organic light emitting element that may include a flexible substrate, a circuit element layer on the flexible substrate, an emission layer on the circuit element layer, a first encapsulation structure between the flexible substrate and the circuit element layer, and a second encapsulation structure on the emission layer, wherein the first encapsulation structure includes a first inorganic layer and a first organic layer, which are sequentially stacked on an upper surface of the flexible substrate, and the first organic layer includes a first polymer nanocomposite.Type: ApplicationFiled: April 19, 2023Publication date: November 30, 2023Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Byoung-Hwa KWON, Chan-mo KANG, Kukjoo KIM, Gi Heon KIM, Sujung KIM, Sooji NAM, Chunwon BYUN, Jin-Wook SHIN, Jong-Heon YANG, Hyunsu CHO, Sukyung CHOI
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Patent number: 11810522Abstract: A pixel circuit driving method of controlling an operation of a light-emitting element provided in a pixel of a display panel may comprise: applying pulse amplitude modulation (PAM) signals having a plurality of levels to a first terminal of a first transistor having a second terminal connected to a control terminal of a second transistor configured to drive the light-emitting element with a current according to a gray scale required for the light-emitting element; and applying a PAM signal of any one level selected from the PAM signals to the control terminal of the second transistor during each sub-frame time corresponding to a turn-on time of the first transistor controlled by a pulse width modulation (PWM) signal having a plurality of sub-frames in a single frame according to the gray scale.Type: GrantFiled: September 8, 2022Date of Patent: November 7, 2023Assignees: Electronics and Telecommunications Research Institute, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Chun Won Byun, Chan Mo Kang, Nam Sung Cho, Byong Deok Choi, Yong Duck Kim
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Publication number: 20230290306Abstract: A pixel circuit may comprise: a first transistor having a first terminal connected to a data line and to which a data signal is applied and a gate terminal connected to a scan line and to which a scan signal is applied; a third transistor having a gate terminal connected to a second terminal of the first transistor and a second terminal connected to a light emitting device; a capacitor having a second terminal commonly connected to the second terminal of the first transistor and the gate terminal of the third transistor; and a second transistor having a second terminal commonly connected to a first terminal of the capacitor and a first terminal of the third transistor, a first terminal connected to a first power supply voltage, and a gate terminal connected to an emission line to which an emission signal is applied.Type: ApplicationFiled: March 9, 2023Publication date: September 14, 2023Applicants: Electronics and Telecommunications Research Institute, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Chun Won BYUN, Chan Mo KANG, Nam Sung CHO, Byong Deok CHOI, Yong Duck KIM
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Publication number: 20230230550Abstract: A pixel circuit driving method of controlling an operation of a light-emitting element provided in a pixel of a display panel may comprise: applying pulse amplitude modulation (PAM) signals having a plurality of levels to a first terminal of a first transistor having a second terminal connected to a control terminal of a second transistor configured to drive the light-emitting element with a current according to a gray scale required for the light-emitting element; and applying a PAM signal of any one level selected from the PAM signals to the control terminal of the second transistor during each sub-frame time corresponding to a turn-on time of the first transistor controlled by a pulse width modulation (PWM) signal having a plurality of sub-frames in a single frame according to the gray scale.Type: ApplicationFiled: September 8, 2022Publication date: July 20, 2023Applicants: Electronics and Telecommunications Research Institute, IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)Inventors: Chun Won BYUN, Chan Mo KANG, Nam Sung CHO, Byong Deok CHOI, Yong Duck KIM
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Patent number: 11487348Abstract: Provided is a pixel circuit. The pixel circuit includes a conversion element forming a voltage of an input level at a first node, a first transistor adjusting the voltage of the first node to a first level in response to a first signal received at a first time interval, a first capacitive element forming a voltage at a second node based on the voltage of the first node, a second transistor adjusting a level of the voltage of the second node to a second level in response to the first signal, a third transistor forming a voltage at a third node, a fourth transistor outputting a current in response to a second signal received in a second time interval, and a. fifth transistor adjusting the voltage of the third node to a third level in response to a third signal received in a third time interval.Type: GrantFiled: August 27, 2019Date of Patent: November 1, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Chunwon Byun, Young-deuk Jeon, Chi-Sun Hwang, Chan-mo Kang, Yun-Jeong Kim, Hye Jin Kim, Seongdeok Ahn, Jeong Ik Lee, Seong Hyun Kim, Bock Soon Na
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Patent number: 11476433Abstract: Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.Type: GrantFiled: April 3, 2020Date of Patent: October 18, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Sukyung Choi, Hyunkoo Lee, Byoung-Hwa Kwon, Jaehyun Moon, Hyunsu Cho, Chan-mo Kang, Chunwon Byun, Jin Wook Shin, Nam Sung Cho
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Patent number: 11430836Abstract: A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.Type: GrantFiled: November 12, 2019Date of Patent: August 30, 2022Assignee: Electronics and Telecommunications Research InstituteInventors: Hyunsu Cho, Chan-mo Kang, Byoung-Hwa Kwon, Chunwon Byun, Jin Wook Shin, Hyunkoo Lee, Sukyung Choi
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Publication number: 20220199706Abstract: Provided is a display device. The display device includes a substrate having a pixel area including a first sub-pixel area, a second sub-pixel area, and a third sub-pixel area, a first control layer on the substrate, a second control layer on the first control layer, an intervening layer disposed between the first control layer and the second control layer on the first sub-pixel area and the second sub-pixel area, first quantum dots on the intervening layer of the first sub-pixel area, second quantum dots on the intervening layer of the second sub-pixel area, and an organic layer configured to cover a top surface and a side surface of the intervening layer between the first control layer and the second control layer.Type: ApplicationFiled: November 12, 2021Publication date: June 23, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Chan-mo KANG, Sukyung CHOI, CHUNWON BYUN, Jin Wook SHIN, Hyunsu CHO
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Publication number: 20210393978Abstract: Provided is a bio-signal detection and stimulation device. The bio-signal detection and stimulation device includes a flexible substrate, a stimulation part on the flexible substrate, and a detection electrode part on the flexible substrate. The stimulation part and the detection electrode part vertically overlap each other, the stimulation part includes an organic light emitting diode (OLED), the stimulation part emits an optical signal, and the detection electrode part detects a bio-signal.Type: ApplicationFiled: June 21, 2021Publication date: December 23, 2021Applicant: Electronics and Telecommunications Research InstituteInventors: O Eun KWON, Chan-mo KANG, Kukjoo KIM, Jin-Wook SHIN, CHUNWON BYUN, Sukyung CHOI, Byoung-Hwa KWON, Sujung KIM, Sooji NAM, Chan Woo PARK, Jong-Heon YANG
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Publication number: 20210066631Abstract: Provided is a light emitting device including a lower electrode, an upper electrode disposed to face the lower electrode, a quantum dot light emitting layer between the lower electrode and the upper electrode, an electron transport layer between the lower electrode and the quantum dot light emitting layer, and a hole transport layer between the upper electrode and the quantum dot light emitting layer, wherein the quantum dot light emitting layer includes a quantum dot, and a first ligand on a surface of the quantum dot, and a second ligand on the surface of the quantum dot.Type: ApplicationFiled: April 3, 2020Publication date: March 4, 2021Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sukyung CHOI, Hyunkoo LEE, Byoung-Hwa KWON, Jaehyun MOON, Hyunsu CHO, Chan-mo KANG, CHUNWON BYUN, Jin Wook SHIN, Nam Sung CHO
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Publication number: 20210005670Abstract: A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.Type: ApplicationFiled: November 12, 2019Publication date: January 7, 2021Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hyunsu CHO, Chan-mo KANG, Byoung-Hwa KWON, CHUNWON BYUN, Jin Wook SHIN, Hyunkoo LEE, Sukyung CHOI
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Publication number: 20200352460Abstract: A pixel circuit includes a sensing block, a stimulation block, a first line control circuit, and a second line control circuit. The sensing block outputs biometric data of a biosignal in response to a first selection signal. The stimulation block radiates a stimulation signal in response to a second selection signal. The first line control circuit outputs the first selection signal for selecting the sensing block as a target sensing block, and outputs the second selection signal for selecting the stimulation block as a target stimulation block. The second line control circuit processes characteristic data associated with the biometric data and the stimulation signal.Type: ApplicationFiled: April 20, 2020Publication date: November 12, 2020Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: CHUNWON BYUN, O Eun KWON, Chan Woo PARK, Hyunkoo LEE, Sukyung CHOI, Chan-mo KANG, Byoung-Hwa KWON, Chil Seong AH, Hyunsu CHO, JEONG IK LEE, Nam Sung CHO
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Publication number: 20200072665Abstract: Provided is a pixel circuit.Type: ApplicationFiled: August 27, 2019Publication date: March 5, 2020Applicant: Electronics and Telecommunications Research InstituteInventors: CHUNWON BYUN, Young-deuk JEON, Chi-Sun HWANG, Chan-mo KANG, Yun-Jeong KIM, Hye Jin KIM, Seongdeok AHN, JEONG IK LEE, Seong Hyun KIM, Bock Soon NA
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Patent number: 10261064Abstract: An optical oil component sensor and a sensing method using the sensor, which can identify similar fuel oil in real time. The optical oil component sensor includes a light source unit, a reference optical waveguide, configured to guide light thereinto, for receiving and outputting light emitted from the light source unit, a sensing optical waveguide, configured to guide light thereinto, for receiving and outputting light emitted from the light source unit, wherein a portion of the sensing optical waveguide is formed to be in contact with test target oil, a light-receiving unit for receiving both a reference light signal, output from the reference optical waveguide, and a test light signal, output from the sensing optical waveguide, and a control unit for identifying components of the test target oil by comparing optical properties of the reference light signal and the test light signal with each other.Type: GrantFiled: April 19, 2016Date of Patent: April 16, 2019Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Jin-Hwa Ryu, Chan-Mo Kang, Lee-Mi Do, Kyu-Ha Baek
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Publication number: 20170030883Abstract: An optical oil component sensor and a sensing method using the sensor, which can identify similar fuel oil in real time. The optical oil component sensor includes a light source unit, a reference optical waveguide, configured to guide light thereinto, for receiving and outputting light emitted from the light source unit, a sensing optical waveguide, configured to guide light thereinto, for receiving and outputting light emitted from the light source unit, wherein a portion of the sensing optical waveguide is formed to be in contact with test target oil, a light-receiving unit for receiving both a reference light signal, output from the reference optical waveguide, and a test light signal, output from the sensing optical waveguide, and a control unit for identifying components of the test target oil by comparing optical properties of the reference light signal and the test light signal with each other.Type: ApplicationFiled: April 19, 2016Publication date: February 2, 2017Inventors: Jin-Hwa RYU, Chan-Mo KANG, Lee-Mi DO, Kyu-Ha BAEK
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Publication number: 20160274391Abstract: Provided herein is a flexible display device including a lower substrate; spacers formed on the lower substrate; an adhesive deposited on the spacers; a display material filled in between the spacers; and an upper substrate adhered to the lower substrate by the adhesive.Type: ApplicationFiled: August 11, 2015Publication date: September 22, 2016Inventors: Chan Mo KANG, Lee Mi DO, Jin Hwa RYU, Kyu Ha BAEK