Patents by Inventor Hak Yang
Hak Yang 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).
-
Patent number: 12008073Abstract: A myocardium image analysis method comprising acquiring a target image including precontrast-enhanced myocardium, based on a type of coronary artery related to the myocardium, distinguishing the myocardium included in the target image, using an artificial neural network, providing information on the distinguished myocardium, wherein the artificial neural network is trained based on a training database generated by matching images for training of precontrast-enhanced coronary artery and myocardium and images for training of postcontrast-enhanced coronary artery and myocardium.Type: GrantFiled: November 7, 2019Date of Patent: June 11, 2024Assignees: THE ASAN FOUNDATION, UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATIONInventors: Dong Hyun Yang, June Goo Lee, Young-Hak Kim
-
Publication number: 20240097094Abstract: A display device including a base substrate having a front surface and a rear surface, and including a first recess portion recessed from the front surface, a plurality of outer electrodes disposed on the base substrate, a light emitting device disposed in the first recess portion and configured to emit light in a direction away from the base substrate, the light emitting device including a light emitting structure electrically connected to the outer electrodes.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventor: Myoung Hak YANG
-
Publication number: 20240088197Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a first bonding layer interposed between the first and second LED sub-units, a second bonding layer interposed between second and third LED sub-units, and a first connection electrode electrically connected to and overlapping at least one of the first, second, and third LED sub-units, the first connection electrode having first and second opposing side surfaces, the first side surface having a first length and the second side surface having a second length, in which the difference in length between the first side surface and the second side surface of the first connection electrode is greater than a thickness of at least one of the LED sub-units.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Applicant: Seoul Viosys Co., Ltd.Inventors: Jong Min JANG, Chang Yeon KIM, Myoung Hak YANG
-
Patent number: 11855121Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a first bonding layer interposed between the first and second LED sub-units, a second bonding layer interposed between second and third LED sub-units, and a first connection electrode electrically connected to and overlapping at least one of the first, second, and third LED sub-units, the first connection electrode having first and second opposing side surfaces, the first side surface having a first length and the second side surface having a second length, in which the difference in length between the first side surface and the second side surface of the first connection electrode is greater than a thickness of at least one of the LED sub-units.Type: GrantFiled: April 15, 2020Date of Patent: December 26, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Min Jang, Chang Yeon Kim, Myoung Hak Yang
-
Publication number: 20230387178Abstract: A light emitting module including a substrate, a first light emitter, a second light emitter, and a third light emitter, in which at least two of the first, second, and third emitters are disposed one over another, connection electrodes electrically connected to at least one of the first, second, and third light emitters, a passivation layer covering at least one side surface of the connection electrodes and exposing at least a region of the first light emitter, and a first electrode electrically connected to at least one of the connection electrodes, in which the first electrode is electrically connected to at least one of the first, second, and third electrodes through the at least one of the connection electrodes, and at least one of connection electrodes overlaps side surfaces of two or more of the first, second, and third light emitters in a plan view.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: Jong Min JANG, Chang Yeon Kim, Myoung Hak Yang
-
Patent number: 11830968Abstract: A display device including a base substrate having a front surface and a rear surface, and including a first recess portion recessed from the front surface, a plurality of outer electrodes disposed on the base substrate, a light emitting device disposed in the first recess portion and configured to emit light in a direction away from the base substrate, the light emitting device including a light emitting structure electrically connected to the outer electrodes.Type: GrantFiled: October 15, 2021Date of Patent: November 28, 2023Assignee: Seoul Viosys Co., Ltd.Inventor: Myoung Hak Yang
-
Patent number: 11804566Abstract: A light emitting device includes a first light emitting part including a first n-type semiconductor layer, and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first transparent electrode vertically stacked one over another and exposing a portion of a first surface of the first n-type semiconductor layer, a second light emitting part spaced apart from the first mesa structure, and including a second n-type semiconductor layer, a second active layer, a second p-type semiconductor layer, and a second transparent electrode and exposing a portion of a first surface of the second n-type semiconductor layer, and a first bonding layer on which the first and second light emitting parts are disposed and electrically coupling the first n-type semiconductor layer and the second n-type semiconductor layer to each other.Type: GrantFiled: October 4, 2022Date of Patent: October 31, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Min Jang, Chang Yeon Kim, Myoung Hak Yang
-
Patent number: 11756980Abstract: A light emitting package includes a first LED sub-unit having first and second opposed surfaces, a second LED sub-unit disposed on the second surface of the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a plurality of connection electrodes having side surfaces and electrically connected to at least one of the LED sub-units, the connection electrodes covering a side surface of at least one of the LED sub-units, a first passivation layer surrounding at least the sides surfaces of the connection electrodes, the first passivation layer exposing at least a portion of the first surface of the first LED sub-unit, a substrate having first and second opposed surfaces, with the first surface of the substrate facing the LED sub-units, and a first electrode disposed on the first surface of the substrate and connected to at least one of the connection electrodes.Type: GrantFiled: April 26, 2020Date of Patent: September 12, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Min Jang, Chang Yeon Kim, Myoung Hak Yang
-
Publication number: 20230207538Abstract: A light emitting device including a board, a first stacked structure configured to emit light having a first wavelength, a second stacked structure configured to emit light having a second wavelength, a third stacked structure configured to emit light having a third wavelength, a first connection electrode electrically connected to the first stacked structure, the second stacked structure, and the third stacked structure, and a protection material covering at least a portion of the first connection electrode, in which each of the first, second, and third stacked structures is configured to selectively emit light while being connected to the first connection electrode, and the protection material is configured to transmit at least 50% of light having the first wavelength, light having the second wavelength, and light having the third wavelength upon operation of each of the first, second, and third stacked structures.Type: ApplicationFiled: February 20, 2023Publication date: June 29, 2023Inventors: Jong Min JANG, Chang Yeon KIM, Myoung Hak YANG
-
Patent number: 11587914Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a passivation layer disposed on the third LED sub-unit, and a first connection electrode electrically connected to at least one of the first, second, and third LED sub-units, in which the first connection electrode and the third LED sub-unit form a first angle defined between an upper surface of the third LED sub-unit and an inner surface of the first connection electrode that is less than about 80°.Type: GrantFiled: April 19, 2020Date of Patent: February 21, 2023Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Min Jang, Chang Yeon Kim, Myoung Hak Yang
-
Publication number: 20230025374Abstract: A light emitting device includes a first light emitting part including a first n-type semiconductor layer, and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first transparent electrode vertically stacked one over another and exposing a portion of a first surface of the first n-type semiconductor layer, a second light emitting part spaced apart from the first mesa structure, and including a second n-type semiconductor layer, a second active layer, a second p-type semiconductor layer, and a second transparent electrode and exposing a portion of a first surface of the second n-type semiconductor layer, and a first bonding layer on which the first and second light emitting parts are disposed and electrically coupling the first n-type semiconductor layer and the second n-type semiconductor layer to each other.Type: ApplicationFiled: October 4, 2022Publication date: January 26, 2023Inventors: Jong Min JANG, Chang Yeon KIM, Myoung Hak YANG
-
Publication number: 20220384717Abstract: A core magnetization reversal method includes transforming the first magnetic skyrmion into a skyrmionium by applying a first alternating current (AC) magnetic field to the first magnetic skyrmion, and then transforming the skyrmionium into a second magnetic skyrmion by applying a second AC magnetic field to the skyrmionium. The first magnetic skyrmion may be formed on a hemispherical shell, which may be formed by (i) preparing a membrane having a plurality of protrusions, and (ii) stacking, on the membrane, a first layer including at least one of platinum (Pt), nickel (Ni), and palladium (Pd), and a second layer including a ferromagnetic material. The first and second AC magnetic fields may have different frequencies.Type: ApplicationFiled: September 8, 2021Publication date: December 1, 2022Inventors: Sang Koog KIM, Jae Hak YANG, Yoon Jong SONG, Kil Ho LEE, Jun Hoe KIM
-
Patent number: 11469342Abstract: A method of manufacturing a light emitting device including forming first light emitting parts on a first substrate, the first light emitting part including a first n-type semiconductor layer and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first electrode and exposing a portion of the first n-type semiconductor layer, forming second light emitting parts on a second substrate, the second light emitting part including a second n-type semiconductor layer and a second mesa structure including a second active layer, a second p-type semiconductor layer, and a second electrode and exposing a portion of the second n-type semiconductor layer, attaching a first removable carrier onto the second light emitting parts and enclosing the second light emitting parts, removing the second substrate from the second light emitting parts, and bonding the second light emitting parts to the first light emitting parts.Type: GrantFiled: December 3, 2020Date of Patent: October 11, 2022Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Min Jang, Chang Yeon Kim, Myoung Hak Yang
-
Patent number: 11296258Abstract: A light emitting diode includes a first conductivity type semiconductor layer and a mesa disposed on the first conductivity type semiconductor layer wherein the mesa is a semiconductor stack including an active layer and a second conductivity type semiconductor layer; a ZnO layer disposed on the second conductivity type semiconductor layer; a lower insulation layer covering the ZnO layer and the mesa, and including an opening exposing the ZnO layer; a first pad metal layer disposed on the lower insulation layer, and electrically connected to the first conductivity type semiconductor layer; a second pad metal layer electrically connected to the ZnO layer through the opening of the lower insulation layer, and an upper insulation layer covering the first pad metal layer and the second pad metal layer.Type: GrantFiled: December 6, 2019Date of Patent: April 5, 2022Assignee: SEOUL VIOSYS CO., LTD.Inventors: Seom Geun Lee, Chan Seob Shin, Myeong Hak Yang, Jin Woong Lee
-
Publication number: 20220093837Abstract: A display device including a base substrate having a front surface and a rear surface, and including a first recess portion recessed from the front surface, a plurality of outer electrodes disposed on the base substrate, a light emitting device disposed in the first recess portion and configured to emit light in a direction away from the base substrate, the light emitting device including a light emitting structure electrically connected to the outer electrodes.Type: ApplicationFiled: October 15, 2021Publication date: March 24, 2022Inventor: Myoung Hak YANG
-
Patent number: 11152553Abstract: A light emitting device package including a base substrate having a front surface and a rear surface, and including a first recess portion recessed from the front surface, a plurality of outer electrodes disposed on the front surface, a light emitting device disposed in the first recess portion and configured to emit light in a direction away from the base substrate, and including a substrate, a light emitting structure disposed on the substrate, and a plurality of bump electrodes disposed on the substrate, and a plurality of connection electrodes connecting the light emitting device to the outer electrodes, in which an upper surface of the bump electrodes and an upper surface of the outer electrodes are disposed on substantially the same plane, and each of the connection electrodes is disposed on one of the bump electrodes and one of the outer electrodes that are adjacent to each other.Type: GrantFiled: January 9, 2020Date of Patent: October 19, 2021Inventor: Myoung Hak Yang
-
Publication number: 20210091256Abstract: A method of manufacturing a light emitting device including forming first light emitting parts on a first substrate, the first light emitting part including a first n-type semiconductor layer and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first electrode and exposing a portion of the first n-type semiconductor layer, forming second light emitting parts on a second substrate, the second light emitting part including a second n-type semiconductor layer and a second mesa structure including a second active layer, a second p-type semiconductor layer, and a second electrode and exposing a portion of the second n-type semiconductor layer, attaching a first removable carrier onto the second light emitting parts and enclosing the second light emitting parts, removing the second substrate from the second light emitting parts, and bonding the second light emitting parts to the first light emitting parts.Type: ApplicationFiled: December 3, 2020Publication date: March 25, 2021Inventors: Jong Min JANG, Chang Yeon KIM, Myoung Hak YANG
-
Patent number: 10879419Abstract: A light emitting device including a first light emitting part including a first n-type semiconductor layer, and a first mesa structure including a first active layer, a first p-type semiconductor layer, and a first transparent electrode vertically stacked one over another and exposing a portion of a first surface the first n-type semiconductor layer, a second light emitting part disposed on the exposed portion of the first n-type semiconductor layer and spaced apart from the first mesa structure, and including a second n-type semiconductor layer, a second active layer, a second p-type semiconductor layer, and a second transparent electrode, and a first bonding part bonding and electrically coupling the first n-type semiconductor layer and the second n-type semiconductor layer to each other.Type: GrantFiled: August 9, 2019Date of Patent: December 29, 2020Assignee: Seoul Viosys Co., Ltd.Inventors: Jong Min Jang, Chang Yeon Kim, Myoung Hak Yang
-
Publication number: 20200365568Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a passivation layer disposed on the third LED sub-unit, and a first connection electrode electrically connected to at least one of the first, second, and third LED sub-units, in which the first connection electrode and the third LED sub-unit form a first angle defined between an upper surface of the third LED sub-unit and an inner surface of the first connection electrode that is less than about 80°.Type: ApplicationFiled: April 19, 2020Publication date: November 19, 2020Inventors: Jong Min JANG, Chang Yeon KIM, Myoung Hak YANG
-
Publication number: 20200365647Abstract: A light emitting chip including a first LED sub-unit, a second LED sub-unit disposed on the first LED sub-unit, a third LED sub-unit disposed on the second LED sub-unit, a first bonding layer interposed between the first and second LED sub-units, a second bonding layer interposed between second and third LED sub-units, and a first connection electrode electrically connected to and overlapping at least one of the first, second, and third LED sub-units, the first connection electrode having first and second opposing side surfaces, the first side surface having a first length and the second side surface having a second length, in which the difference in length between the first side surface and the second side surface of the first connection electrode is greater than a thickness of at least one of the LED sub-units.Type: ApplicationFiled: April 15, 2020Publication date: November 19, 2020Inventors: Jong Min JANG, Chang Yeon KIM, Myoung Hak YANG