Patents by Inventor Chang Hwa Lee
Chang Hwa 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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Publication number: 20240074258Abstract: An electronic device includes a display device, which may be fabricated using a described method. The display device includes a glass substrate including a first surface, a second surface opposite the first surface, and a side surface between the first surface and the second surface, an outermost structure on the first surface of the glass substrate and located adjacent to an edge of one side of the glass substrate, and a display area including a plurality of light emitting areas on the first surface of the glass substrate and located farther from the edge of the one side of the glass substrate than the outermost structure is. A minimum distance from the side surface of the glass substrate to the outermost structure is equal to 130 ?m or less.Type: ApplicationFiled: May 5, 2023Publication date: February 29, 2024Inventors: Wan Jung KIM, Dong Jo KIM, Sun Hwa KIM, Young Ji KIM, Chang Sik KIM, Kyung Ah NAM, Hyo Young MUN, Yong Seung PARK, Yi Seul UM, Dae Sang YUN, Kwan Hee LEE, So Young LEE, Young Hoon LEE, Young Seo CHOI, Sun Young KIM, Ji Won SOHN, Do Young LEE, Seung Hoon LEE
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Publication number: 20220067487Abstract: Various embodiments provide an electronic device for generating data and improving task performance by using only a very small amount of data without prior knowledge of an associative domain and an operating method thereof. According to various embodiments, the electronic device may be configured to construct a plurality of data pairs from at least three data points, acquire relative information between the data points with respect to each of the data pairs, and learn a transformation function between the data points based on the relative information. According to various embodiments, the transformation function which can be learnt without a data overfitting problem even in a very small amount of data can be provided.Type: ApplicationFiled: August 25, 2021Publication date: March 3, 2022Inventors: Sang Wan LEE, Chang Hwa LEE
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Patent number: 10251618Abstract: Disclosed herein is a digital mammography device. The digital mammography device comprises a pressure pad configured to be movably installed between an X-ray generator for irradiating X-rays and a detector for receiving X-rays that have passed through an object to be imaged, in such a way as to apply pressure to the object to be imaged; a pressure pad driving part configured to include a motor and a power transferring part for moving the pressure pad by means of the power of the motor, and an applied pressure transferring part configured to include a coupling block to which the pressure pad is fixed to the power transferring part and relatively and movably connected to the coupling block, and provides an electrical signal depending on a relative movement displacement between the coupling block and the mobile block.Type: GrantFiled: March 12, 2014Date of Patent: April 9, 2019Assignee: GENERAL ELECTRIC COMPANYInventors: Chang Hwa Lee, Tae Woo Nam
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Patent number: 9629592Abstract: Disclosed herein is an X-ray photographing apparatus. The X-ray photographing apparatus uses a moving source and a tension spring in order to let a grid reciprocate for removing a scattered radiation. The moving source generates moving force moving the grid toward one side, and the tension spring applies tension force moving the grid toward the other side. According to the present invention, since the grid moves at a velocity close to a constant velocity, image quality is improved.Type: GrantFiled: December 26, 2013Date of Patent: April 25, 2017Assignee: GENERAL ELECTRIC COMPANYInventors: Chang Hwa Lee, Min Ho Son
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Publication number: 20160367206Abstract: Disclosed herein is a digital mammography device. The digital mammography device comprises a pressure pad configured to be movably installed between an X-ray generator for irradiating X-rays and a detector for receiving X-rays that have passed through an object to be imaged, in such a way as to apply pressure to the object to be imaged; a pressure pad driving part configured to include a motor and a power transferring part for moving the pressure pad by means of the power of the motor, and an applied pressure transferring part configured to include a coupling block to which the pressure pad is fixed to the power transferring part and relatively and movably connected to the coupling block, and provides an electrical signal depending on a relative movement displacement between the coupling block and the mobile block.Type: ApplicationFiled: March 12, 2014Publication date: December 22, 2016Inventors: Chang Hwa Lee, Tae Woo Nam
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Patent number: 9492128Abstract: Disclosed herein is an X-ray photography machine (300). The X-ray photography machine includes a transfer apparatus (370) which moves a pressing member (360) which presses a target. The transfer apparatus includes a drive source (371), a drive shaft (374) which is rotated by the drive force of the drive source, first and second pulleys (375 a,b) which convert rotational force of the drive shaft into force by which the pressing member is moved, and first and second flanges (379 a,b) which make the first pulley depend on the rotational force of the drive shaft. In the present invention, because only a single drive shaft is used to move the pressing member, problems such as the occurrence of noise can be minimized.Type: GrantFiled: December 10, 2012Date of Patent: November 15, 2016Assignee: RAYENCE CO., LTD.Inventors: Chang Hwa Lee, Min Ho Son
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Publication number: 20150359495Abstract: Disclosed herein is an X-ray photographing apparatus. The X-ray photographing apparatus uses a moving source and a tension spring in order to let a grid reciprocate for removing a scattered radiation. The moving source generates moving force moving the grid toward one side, and the tension spring applies tension force moving the grid toward the other side. According to the present invention, since the grid moves at a velocity close to a constant velocity, image quality is improved.Type: ApplicationFiled: December 26, 2013Publication date: December 17, 2015Inventors: Chang Hwa LEE, Min Ho SON
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Publication number: 20150320368Abstract: Disclosed herein is an X-ray photography machine (300). The X-ray photography machine includes a transfer apparatus (370) which moves a pressing member (360) which presses a target. The transfer apparatus includes a drive source (371), a drive shaft (374) which is rotated by the drive force of the drive source, first and second pulleys (375 a,b) which convert rotational force of the drive shaft into force by which the pressing member is moved, and first and second flanges (379 a,b) which make the first pulley depend on the rotational force of the drive shaft. In the present invention, because only a single drive shaft is used to move the pressing member, problems such as the occurrence of noise can be minimized.Type: ApplicationFiled: December 10, 2012Publication date: November 12, 2015Applicant: RAYENCE CO., LTD,Inventors: Chang Hwa LEE, Min Ho SON
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Patent number: 8738887Abstract: A method is described for preserving the flexibility associated with relative memory addressing in programs designed to be stored in read-only memory.Type: GrantFiled: April 24, 2008Date of Patent: May 27, 2014Assignee: Advanced Micro Devices, Inc.Inventors: Balakrishnan Thoppaswamy, Chang-Hwa Lee, Eddie Howard, Eric Lee, Feng Ding, Simon Lian, Vinod Jani, Yevgen Goryachok
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Publication number: 20130289329Abstract: The present disclosure relates to a decontamination method and apparatus for cladding hull wastes of spent nuclear fuels, capable of decontaminating a small quantity of spent nuclear fuels remaining on surfaces of the cladding hull wastes and radioactive fission products penetrated into the cladding hulls through an electrochemical dissolution. The method includes inserting the cladding hull waste into an anodic basket, immersing a reference electrode and a cathodic electrode as well as the anodic basket in a molten salt, dissolving a surface of the cladding hull waste by applying a voltage or current to the anodic basket with respect to the cathodic electrode or the reference electrode, removing the anodic basket, and removing a salt remaining on the surface of the cladding hull waste.Type: ApplicationFiled: October 17, 2012Publication date: October 31, 2013Applicant: Korea Atomic Energy Research InstituteInventors: Chang Hwa LEE, Min Ku JEON, Kweon Ho KANG, Geun Il Park
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Publication number: 20090271560Abstract: A method is described for preserving the flexibility associated with relative memory addressing in programs designed to be stored in read-only memory.Type: ApplicationFiled: April 24, 2008Publication date: October 29, 2009Applicant: ADVANCED MICRO DEVICES, INC.Inventors: Balakrishnan Thoppaswamy, Chang-Hwa Lee, Eddie Howard, Eric Lee, Feng Ding, Simon Lian, Vinod Jani, Yevgen Goryachok
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Publication number: 20090188805Abstract: A process for electrodepositing at least one ferromagnetic material into a three dimensional pattern within a substrate is provided. The process comprises providing a substrate material, dielectric or conductor, having a three dimensional recessed pattern in at least one outer surface thereof, dielectric substrate materials also having an electrical conductive seed layer at least within the three dimensional pattern. An electrolytic bath is prepared comprising at least one ferromagnetic material and at least one accelerating, inhibiting, or depolarizing additive. The at least one ferromagnetic material comprises at least one metal cation selected from the group consisting of Ni2+, Co2+, Fe2+, Fe3+, and combinations thereof. The substrate is placed into the electrolytic bath and the electrolytic bath contacts the conducting three dimensional pattern in the substrate or the conducting seed layer within the pattern on a dielectric substrate. A counter electrode is placed into the electrolytic bath.Type: ApplicationFiled: January 23, 2009Publication date: July 30, 2009Inventors: Thomas P. Moffat, Chang Hwa Lee, Daniel Jossel, Soo-Kil Kim
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Publication number: 20070188092Abstract: The present invention relates to a flexible EL lamp that can extend emission region. In the flexible EL lamp, a phosphor layer, a dielectric layer, and a front electrode layer are exposed to the outside by extending to edge portion of the product. The phosphor layer that is vulnerable to moisture is formed of the phosphor material to which water repellent process is performed. Therefore, the reliability characteristic with respect to moisture can be obtained. The EL lamp can facilitate the design of the compact mobile phones and can improve the reliability of the product.Type: ApplicationFiled: July 7, 2006Publication date: August 16, 2007Inventors: Chang Hwa Lee, Tae Hyung Kim
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Publication number: 20050172113Abstract: A method and apparatus for basic input/output system (BIOS) loading includes a graphics processor performing a startup operation. The method and apparatus further includes this central processing unit (CPU) having a cache memory disposed therein. The method and apparatus provides for the graphic processor writing data to the cache memory prior to the execution of the startup operations such that the graphics processor may effectively and efficiently use the expanded memory resources of the cache memory prior to the CPU allocating and utilizing the CPU-specific resources. As such, the method and apparatus allows for improved BIOS loading by allowing for a greater degree of flexibility with an improved amount of available memory resources.Type: ApplicationFiled: January 30, 2004Publication date: August 4, 2005Applicant: ATI Technologies, Inc.Inventor: Chang-Hwa Lee
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Patent number: 6597263Abstract: A dielectric filter having a notch pattern includes a dielectric block, in which a ground face plated with conductive metal for all the rest portions excepting an upper face thereof and both side given portions of one side wall face connected to the upper face is formed and numerous patterns plated with the conductive metal are formed on the upper face as a non-conductive part, input electrode provided on one portion out of non-conductive portions and formed so that a signal from the outside may be inputted thereto, at least two resonators formed piercing through upper and lower faces of the dielectric block, a lower end part of which is short-circuited on a lower face as the ground face of the dielectric block, wherein two resonators are connected with each other through a pattern formed on the upper face of the dielectric block in order to resonate and wave-transfer a signal inputted through the input electrode, and output electrode provided in the rest one portion out of the non-conductive portions on oneType: GrantFiled: December 28, 2000Date of Patent: July 22, 2003Assignees: Electronics and Telecommunications Research Institute, Korea Electronics Co.Inventors: Dong-Suk Jun, Bon-Hee Koo, Chang-Hwa Lee, Oh-Gone Chun, Sang-Seok Lee
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Patent number: 6400239Abstract: The objcet of the present invention is to provide a microwave filter having a shield for electromagnetic interference shielding, wherein the filter is adaped for use in a radio frequency circuitry located in a stage next to an antenna for a radio communication system, such as a mobile communication system, a portable communication system, satellite communication system, and IMT-2000, for passing signals having desired frequencies while removing signals having frequencies having undesired frequencies. According to the present invention, there is provided a microwave filter for electromagnetic interference shielding, comprising a block of dielectric material plated with a metal with the exception of one surface, a plurality of resonators contained within the dielectric block, and a shield fixed on the surface which is not plated, wherein the shield has at least an alignment window for securing the easy alignment between the dielectric block and the shield through a visual observation.Type: GrantFiled: February 4, 2000Date of Patent: June 4, 2002Assignee: Electronics and Telecommunications Research InstituteInventors: Oh Gon Chun, Chang Hwa Lee, Bon Hee Koo, Dong Suk Jun, Sang Seok Lee
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Patent number: 6373352Abstract: A duplexer using a dielectric block and having stepped impedance resonators is disclosed. The duplexer comprising open ended resonators arranged in a front side of the dielectric block, shorted resonators arranged in a rear side of the dielectric block, first grooves for controlling receiving coupling at the receiving filter, second grooves for controlling transmitting coupling at the transmitting filter, and a plurality of recesses formed at the bottom of the dielectric block, extending from a first aperture of the open ended resonators to a second aperture of the shorted resonators. The duplexer according to this invention is miniaturized by excluding external elements and has excellent attenuation characteristics, and is being manufactured by simple processes.Type: GrantFiled: April 28, 2000Date of Patent: April 16, 2002Assignee: Electronics and Telecommunications Research InstituteInventors: Chang Hwa Lee, Meyng Soo Kim, Bon Hee Koo, Dong Suk Jun, Sang Seok Lee, Tae Goo Choy
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Patent number: 6356165Abstract: Magnetostatic devices includes: input and output electrodes for including energy conversion pattern provided in a dielectric substrate; a multi-layer -magnetic substance structure placed at an upper portion of the dielectric substrate, wherein magnetically active thin film is placed at both sides of a magnetically inactive substrate; an upper shield, composed of grounded conductor, for preventing the input and output electrodes from coupling; a lower shield provided at the dielectric substrate, wherein the substrate contain a hole with the same length as the upper shield, and walls of said hole are provided with conductor; a magnetostatic wave end portion, inserted into the dielectric substrate to be placed at both end plane of the multi-layer magnetic structure, for blocking the magnetostatic wave not to reflect therefrom; and a magnetostatic wave reflector, provided in the dielectric substrate as a line whose width vary, for reflecting and selecting a desired pass band before it reaches to the magnetostaticType: GrantFiled: January 28, 2000Date of Patent: March 12, 2002Assignee: Electronics and Telecommunications Research InstituteInventors: Meyng Soo Kim, Chang Hwa Lee, Dong Suk Jeon, Sang Seok Lee
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Patent number: 6326867Abstract: The present invention provides a dielectric filter having a dielectric block, and a plurality of resonators formed within the dielectric block, each of the resonators having a first and second through holes formed vertically through the dielectric block and arranged in series along longitudinal axis of the dielectric block and a coupling portion electrically connecting an end of the first through hole to an end of the second through hole.Type: GrantFiled: December 30, 1999Date of Patent: December 4, 2001Assignee: Electronics and Telecommunications Research InstituteInventors: Chang Hwa Lee, Bon Hee Koo, O Gon Chun, Dong Seok Jeon, Sang Seok Lee
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Patent number: RE49923Abstract: A multilayer ceramic capacitor includes: a ceramic body including dielectric layers and first and second internal electrodes disposed to face each other with respective dielectric layers interposed therebetween; and first and second external electrodes disposed on an external surface of the ceramic body, wherein the dielectric layer contains a barium titanate-based powder particle having a core-shell structure including a core and a shell around the core, the shell having a structure in which titanium is partially substituted with an element having the same oxidation number as that of the titanium in the barium titanate-based powder particle and having an ionic radius different from that of the titanium in the barium titanate-based powder particle, and the shell covers at least 30% of a surface of the core.Type: GrantFiled: June 22, 2021Date of Patent: April 16, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Woo Kim, Jong Ho Lee, Min Gi Sin, Hak Kwan Kim, Chin Mo Kim, Chi Hwa Lee, Hong Seok Kim, Woo Sup Kim, Chang Hwa Park