Patents by Inventor Yong-jo Park
Yong-jo Park 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: 20240137821Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.Type: ApplicationFiled: October 22, 2023Publication date: April 25, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Soon Gi PARK, Young-Jo KO, IL GYU KIM, Jung Im KIM, Jun Sik KIM, Sung Cheol CHANG, Sun Mi JUN, Yong Seouk CHOI
-
Publication number: 20240099081Abstract: A flexible display device including a substrate, a light emitting layer, a first insulating layer, and a conductive layer. The substrate includes a bent region and a non-bent region. The light emitting layer overlaps the non-bent region. The first insulating layer is disposed on the substrate. The conductive layer is disposed on the first insulating layer. A sidewall of the first insulating layer includes a first tapered surface. The first tapered surface includes at least three curved surface portions continuously arranged with one another.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Ki Hyun CHO, Yong Jae PARK, Sang Jo LEE, Won Suk CHOI, Yoon Sun CHOI
-
Publication number: 20240082345Abstract: Provided is a peptide composition for preventing or treating Alzheimer's dementia. A peptide or a salt substituent thereof according to the presently claimed subject matter exhibits effects such as suppression of LPS-mediated cytokine production, suppression of LPS-induced neuroinflammation, amelioration of cognitive impairment, suppression of beta amyloid or tau protein aggregation, and suppression of neuronal loss. The polypeptide or the salt substituent thereof can permeate the blood-brain barrier, and thus, is expected to be usefully used for preventing or treating Alzheimer's dementia.Type: ApplicationFiled: August 25, 2021Publication date: March 14, 2024Applicant: HLB SCIENCE INC.Inventors: Yeong Min PARK, Wahn Soo CHOI, Seung-Hyun LEE, In Duk JUNG, Yong Joo KIM, Seung Jun LEE, Sung Min KIM, Mi Suk LEE, Hee Jo PARK, Seung Pyo CHOI, Minho MOON, Soo Jung SHIN, Sujin KIM, Yong Ho PARK, Jae-Yong PARK, Kun Ho LEE
-
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
-
Patent number: 8039850Abstract: There is provided a white light emitting device that prevents a red phosphor from resorbing wavelength-converted light to improve white luminous efficiency. A white light emitting device according to an aspect of the invention includes a package body; at least two LED chips mounted to the package body and emitting excitation light; and a molding unit including phosphors, absorbing the excitation light and emitting wavelength-converted light, in regions of the molding unit divided according to the LED chips and molding the LED chips. According to the aspect of the invention, since the phosphor for converted red light can be prevented from resorbing light generated from other regions of the molding unit, the white light emitting device that can improve white luminous efficiency or control color rendering and color temperature by adjusting a mixing ratio of converted light for white light emission.Type: GrantFiled: October 13, 2008Date of Patent: October 18, 2011Assignee: Samsung LED Co., Ltd.Inventors: Jeong Wook Lee, Yong Jo Park, Cheol Soo Sone
-
Publication number: 20110149325Abstract: A method of managing files of an image forming apparatus having a display unit and connectable to at least one storage medium including a document box is provided. The method includes connecting the storage medium to the image forming apparatus, determining if an information file corresponding to document box exists in the storage medium, searching for at least one file stored in the at least one document box corresponding to the information file in response to determining that the information file exists, and displaying at least one of the searched file and the document box on the display unit.Type: ApplicationFiled: December 21, 2010Publication date: June 23, 2011Applicant: Samsung Electronics Co., LtdInventors: Hyun-seung KIM, Yong-jo Park
-
Publication number: 20100166983Abstract: An omni-directional reflector having a transparent conductive low-index layer formed of conductive nanorods and a light emitting diode utilizing the omni-directional reflector are provided. The omni-directional reflector includes: a transparent conductive low-index layer formed of conductive nanorods; and a reflective layer formed of a metal.Type: ApplicationFiled: March 10, 2010Publication date: July 1, 2010Applicants: Samsung Electro-Mechanics Co., LTD., Rensselaer Polytechnic InstituteInventors: Jae-hee CHO, Jing-gun Xi, Jong-kyu Kim, Yong-jo Park, Cheol-soo Sone, E. Fred Schubert
-
Publication number: 20090114929Abstract: There is provided a white light emitting device that prevents a red phosphor from resorbing wavelength-converted light to improve white luminous efficiency. A white light emitting device according to an aspect of the invention includes a package body; at least two LED chips mounted to the package body and emitting excitation light; and a molding unit including phosphors, absorbing the excitation light and emitting wavelength-converted light, in regions of the molding unit divided according to the LED chips and molding the LED chips. According to the aspect of the invention, since the phosphor for converted red light can be prevented from resorbing light generated from other regions of the molding unit, the white light emitting device that can improve white luminous efficiency or control color rendering and color temperature by adjusting a mixing ratio of converted light for white light emission.Type: ApplicationFiled: October 13, 2008Publication date: May 7, 2009Inventors: Jeong Wook LEE, Yong Jo Park, Cheol Soo Sone
-
Patent number: 7411221Abstract: A light emitting device having a monolithic protection element and a method of fabricating the light emitting device are provided. The light emitting device includes: a light emitter having a cathode and an anode; and the resistive protection element connected to the light emitter in parallel through the cathode and the anode. Here, a resistance Rs of the resistive protection element has a value between a forward resistance Rf and a reverse resistance Rr of a current of the light emitter.Type: GrantFiled: November 14, 2005Date of Patent: August 12, 2008Assignees: Samsung Electro-Mechanics Co., Ltd., Rensselaer Polytechnic InstituteInventors: Jae-hee Cho, Luo Hong, Jong-kyu Kim, Yong-jo Park, Cheol-soo Sone, E. Fred Schubert
-
Patent number: 7356267Abstract: A jam removing method and printer using toner a save mode includes detecting a paper jam on a printing route, confirming whether a dot count value of a corresponding image exceeds a preset boundary value, and converting a printing mode into the toner save mode when the dot count value exceeds the boundary value. The paper jam by an image density is prevented from repeating, and successive paper jam is prevented from occurring, user's convenience may be enhanced, and the toner may not be wasted.Type: GrantFiled: April 20, 2006Date of Patent: April 8, 2008Assignee: Samsung Electronics Co., Ltd.Inventors: Hyoung-tae Kim, Yong-jo Park
-
Patent number: 7202099Abstract: Provided is a method of fabricating a laser diode including a lower Al-containing semiconductor material layer, a active layer, and an upper Al-containing semiconductor material layer. The method includes thermally cleaning the inside of a deposition reactor in which a substrate on which the lower Al-containing semiconductor material layer is stacked is loaded. During the thermal cleaning process, the inside of the deposition reactor is thermally treated at a predetermined temperature in an atmosphere of a gas mixture of AsH3 and H2 that is injected into the deposition reactor.Type: GrantFiled: December 2, 2004Date of Patent: April 10, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Ki-sung Kim, Yong-jo Park
-
Publication number: 20070030611Abstract: A light emitting device having a monolithic protection element and a method of fabricating the light emitting device are provided. The light emitting device includes: a light emitter having a cathode and an anode; and the resistive protection element connected to the light emitter in parallel through the cathode and the anode. Here, a resistance Rs of the resistive protection element has a value between a forward resistance Rf and a reverse resistance Rr of a current of the light emitter.Type: ApplicationFiled: November 14, 2005Publication date: February 8, 2007Applicants: Samsung Electro-mechanics Co., Ltd, Rensselaer Polytechnic instituteInventors: Jae-hee Cho, Luo Hong, Jong-kyu Kim, Yong-jo Park, Cheol-soo Sone, E. Schubert
-
Publication number: 20070029561Abstract: An omni-directional reflector having a transparent conductive low-index layer formed of conductive nanorods and a light emitting diode utilizing the omni-directional reflector are provided. The omni-directional reflector includes: a transparent conductive low-index layer formed of conductive nanorods; and a reflective layer formed of a metal.Type: ApplicationFiled: November 14, 2005Publication date: February 8, 2007Applicants: Samsung Electro-mechanics Co., Ltd, Rensselaer Polytechnic InstituteInventors: Jae-hee Cho, Jing-qun Xi, Jong-kyu Kim, Yong-jo Park, Cheol-soo Sone, E. Fred Schubert
-
Publication number: 20060257157Abstract: A jam removing method and printer using toner a save mode includes detecting a paper jam on a printing route, confirming whether a dot count value of a corresponding image exceeds a preset boundary value, and converting a printing mode into the toner save mode when the dot count value exceeds the boundary value. The paper jam by an image density is prevented from repeating, and successive paper jam is prevented from occurring, user's convenience may be enhanced, and the toner may not be wasted.Type: ApplicationFiled: April 20, 2006Publication date: November 16, 2006Inventors: Hyoung-tae Kim, Yong-jo Park
-
Publication number: 20060164665Abstract: An apparatus to generate a character image includes a character image generating unit to generate a character image from a scalable font according to information for generating the character image from the scalable font, a generation frequency list storing unit to store the number of times that the scalable font has been generated as the character image by the character image generating unit, a scalable font converting unit to convert the scalable font into a bitmap font, when the number of times stored in the generation frequency list exceeds a predetermined limit number of times, and a converted font storing unit to store the bitmap font converted by the scalable font converting unit. Accordingly, the scalable font is generated as the character image according to a method of processing a character print command using a bitmap font without mathematical processing to provide a font of a high print quality.Type: ApplicationFiled: January 12, 2006Publication date: July 27, 2006Inventor: Yong-jo Park
-
Publication number: 20060158694Abstract: A halftone processing apparatus and a method thereof is provided to store halftone tables of different sizes and perform different halftone processes using the halftone tables of different sizes according to the type input image.Type: ApplicationFiled: December 29, 2005Publication date: July 20, 2006Inventor: Yong-Jo Park
-
Patent number: 6990134Abstract: A GaN series surface-emitting laser diode and a method for manufacturing the same are provided. The GaN series surface-emitting laser diode includes: an active layer; p-type and n-type material layers on the opposite sides of the active layer; a first-distributed Bragg reflector (DBR) layer formed on the n-type material layer; an n-type electrode connected to the active layer through the n-type material layer such that voltage is applied to the active layer for lasing; a spacer formed on the p-type material layer with a laser output window in a portion aligned with the first DBR layer, the spacer being thick enough to enable holes to effectively migrate to a center portion of the active layer; a second DBR layer formed on the laser output window; and a p-type electrode connected to the active layer through the p-type material layer such that voltage is applied to the active layer for lasing.Type: GrantFiled: April 5, 2004Date of Patent: January 24, 2006Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Yong-jo Park, Kyoung-ho Ha, Heon-su Jeon, Si-hyun Park
-
Publication number: 20050268089Abstract: Provided are a printing system and printing method, which enable a host to set a security function in a document and then to transmit the document to a printer and enable the printer to print only a document whose security function is cancelled. The printing system comprises a host, which encrypts data that is to be printed by using encryption keys when a print command is received; a movable storage medium, which is connected to the host and stores the encryption keys; and a printer, which is connected to the movable storage medium, decrypts the encrypted data transmitted from the host by using the encryption keys stored in the movable storage medium, and then prints the decrypted data.Type: ApplicationFiled: April 18, 2005Publication date: December 1, 2005Inventors: Jong-wook Kim, Yong-jo Park
-
Publication number: 20050106766Abstract: Provided is a method of fabricating a laser diode including a lower Al-containing semiconductor material layer, a active layer, and an upper Al-containing semiconductor material layer. The method includes thermally cleaning the inside of a deposition reactor in which a substrate on which the lower Al-containing semiconductor material layer is stacked is loaded. During the thermal cleaning process, the inside of the deposition reactor is thermally treated at a predetermined temperature in an atmosphere of a gas mixture of AsH3 and H2 that is injected into the deposition reactor.Type: ApplicationFiled: December 2, 2004Publication date: May 19, 2005Applicant: Samsung Electronics Co., Ltd.Inventors: Ki-sung Kim, Yong-jo Park
-
Publication number: 20040190581Abstract: A GaN series surface-emitting laser diode and a method for manufacturing the same are provided. The GaN series surface-emitting laser diode includes: an active layer; p-type and n-type material layers on the opposite sides of the active layer; a first-distributed Bragg reflector (DBR) layer formed on the n-type material layer; an n-type electrode connected to the active layer through the n-type material layer such that voltage is applied to the active layer for lasing; a spacer formed on the p-type material layer with a laser output window in a portion aligned with the first DBR layer, the spacer being thick enough to enable holes to effectively migrate to a center portion of the active layer; a second DBR layer formed on the laser output window; and a p-type electrode connected to the active layer through the p-type material layer such that voltage is applied to the active layer for lasing.Type: ApplicationFiled: April 5, 2004Publication date: September 30, 2004Applicant: Samsung Electro-mechanics Co., Ltd.Inventors: Yong-jo Park, Kyoung-ho Ha, Heon-su Jeon, Si-hyun Park