Patents by Inventor Young Hwan Park

Young Hwan 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: 20120267639
    Abstract: Disclosed herein are a nitride semiconductor device and a method for manufacturing the same. According to an exemplary embodiment, there is provided a nitride semiconductor device, including: a nitride semiconductor layer having a 2DEG channel; a drain electrode ohmic-contacted with the nitride semiconductor layer; a source electrode Schottky-contacted with the nitride semiconductor layer, including a plurality of patterned protrusion portions protruded to the drain electrode direction, and including an ohmic pattern ohmic-contacted with the nitride semiconductor layer therein; a dielectric layer disposed on the nitride semiconductor layer between the drain electrode and the source electrode and over at least a portion of the source electrode including the patterned protrusion portions; and a gate electrode disposed on the dielectric, wherein a portion of the gate electrode is disposed on the dielectric layer over the patterned protrusion portions and a drain direction edge portion of the source electrode.
    Type: Application
    Filed: April 17, 2012
    Publication date: October 25, 2012
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Woo Chul JEON, Ki Yeol Park, Young Hwan Park
  • Publication number: 20120267637
    Abstract: Provided is a nitride semiconductor device including: a nitride semiconductor layer over a substrate wherein the nitride semiconductor has a two-dimensional electron gas (2DEG) channel inside; a drain electrode in ohmic contact with the nitride semiconductor layer; a source electrode in Schottky contact with the nitride semiconductor layer wherein the source electrode is spaced apart from the drain electrode; a floating guard ring in Schottky contact with the nitride semiconductor layer between the drain electrode and the source electrode; a dielectric layer formed on the nitride semiconductor layer between the drain electrode and the source electrode and on at least a portion of the source electrode wherein the dielectric layer is applied to the floating guard ring between the drain electrode and the source electrode; and a gate electrode formed on the dielectric layer to be spaced apart from the drain electrode, wherein a portion of the gate electrode is formed over a drain-side edge portion of the source e
    Type: Application
    Filed: August 4, 2011
    Publication date: October 25, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Woo Chul Jeon, Ki Yeol Park, Young Hwan Park
  • Publication number: 20120267687
    Abstract: Provided is a nitride semiconductor device including: a nitride semiconductor layer over a substrate wherein the nitride semiconductor has a two-dimensional electron gas (2DEG) channel inside; a drain electrode in ohmic contact with the nitride semiconductor layer; a source electrode in Schottky contact with the nitride semiconductor layer wherein the source electrode is spaced apart from the drain electrode; a dielectric layer formed on the nitride semiconductor layer between the drain electrode and the source electrode and on at least a portion of the source electrode, wherein the dielectric layer has a recess formed between the drain electrode and the source electrode; and a gate electrode formed on the dielectric layer and in the recess to be spaced apart from the drain electrode, wherein a portion of the gate electrode is formed over a drain-side edge portion of the source electrode with the dielectric layer interposed therebetween, and a manufacturing method thereof.
    Type: Application
    Filed: August 4, 2011
    Publication date: October 25, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Woo Chul Jeon, Young Hwan Park, Ki Yeol Park
  • Publication number: 20120267686
    Abstract: Provided is a nitride semiconductor device including: a nitride semiconductor layer over a substrate wherein the nitride semiconductor has a two-dimensional electron gas (2DEG) channel inside; a drain electrode in ohmic contact with the nitride semiconductor layer; a source electrode spaced apart from the drain electrode, in Schottky contact with the nitride semiconductor layer, and having an ohmic pattern in ohmic contact with the nitride semiconductor layer inside; a dielectric layer formed on the nitride semiconductor layer between the drain electrode and the source electrode and on at least a portion of the source electrode; and a gate electrode disposed on the dielectric layer to be spaced apart from the drain electrode, wherein a portion of the gate electrode is formed over a drain-side edge portion of the source electrode with the dielectric layer interposed therebetween, and a manufacturing method thereof.
    Type: Application
    Filed: August 3, 2011
    Publication date: October 25, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Woo Chul Jeon, Ki Yeol Park, Young Hwan Park
  • Publication number: 20120267642
    Abstract: Provided is a nitride semiconductor device including: a nitride semiconductor layer over a substrate wherein the nitride semiconductor has a two-dimensional electron gas (2DEG) channel inside; a drain electrode in ohmic contact with the nitride semiconductor layer; a source electrode in Schottky contact with the nitride semiconductor layer wherein the source electrode is spaced apart from the drain electrode; a dielectric layer formed on the nitride semiconductor layer between the drain electrode and the source electrode and on at least a portion of the source electrode; and a gate electrode disposed on the dielectric layer to be spaced apart from the drain electrode, wherein a portion of the gate electrode is formed over a drain-side edge portion of the source electrode with the dielectric layer interposed therebetween, and a manufacturing method thereof.
    Type: Application
    Filed: August 4, 2011
    Publication date: October 25, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Woo Chul Jeon, Ki Yeol Park, Young Hwan Park
  • Patent number: 8291922
    Abstract: The present invention relates to a dish washing machine, and more particularly to a dish washing machine having a structure in which a bottom surface of the dish washing machine is not wet with water. The dish washing machine includes a washing chamber (150) for washing dishes, a fan (90) for discharging air from the washing chamber (150), a housing for a space to install the fan (90), an exhaust duct (92) for guiding the air from the housing (94) to an outside of the dish washing machine, and a passage for draining water to an outside of the housing (94) whenever the water is present in the housing (94).
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: October 23, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jung Youp Han, Yong Jin Choi, Joon Ho Pyo, Young Hwan Park, Seong Ho Kim
  • Publication number: 20120231499
    Abstract: A high-molecular-weight recombinant silk or silk-like protein having a molecular weight which is substantially similar to that of native silk protein, and a micro- or nano-sized spider silk or silk-like fiber having improved physical properties, produced therefrom. The recombinant silk or silk-like protein according to the invention has high molecular weight, like dragline silk proteins from spiders, while a fiber produced therefrom has excellent physical properties compared to a fiber produced from native silk protein. Thus, the recombinant silk or silk-like protein and the spider silk or silk-like fiber produced therefrom will be highly useful in various industrial applications, including bioengineering applications and medical applications.
    Type: Application
    Filed: March 11, 2011
    Publication date: September 13, 2012
    Inventors: Sang Yup Lee, Xiaoxia Xia, Zhi Gang Qian, Jeong Wook Lee, Young Hwan Park
  • Publication number: 20120173598
    Abstract: An apparatus and method for processing a division of a binary polynomial are provided. The apparatus includes a plurality of exclusive OR (XOR) operators that may perform a selective XOR operation with respect to a conditional bit of a dividend polynomial. The plurality of XOR operators may perform selective XOR operations in parallel and accordingly, a division of a binary polynomial may be rapidly performed.
    Type: Application
    Filed: December 13, 2011
    Publication date: July 5, 2012
    Inventors: Ho YANG, Hyun Seok LEE, Ji Hoon BANG, Young Hwan PARK, Ki Taek BAE, Kyeong Yeon KIM
  • Publication number: 20120173600
    Abstract: Provided are an apparatus and method for performing a complex number operation using a Single Instruction Multiple Data (SIMD) architecture. A SIMD operation apparatus may perform, in parallel, a real part operation and an imaginary part operation of a plurality of complex numbers. The real part operation and the imaginary part operation may be performed sequentially, or in parallel.
    Type: Application
    Filed: August 16, 2011
    Publication date: July 5, 2012
    Inventors: Young Hwan Park, Ho YANG
  • Publication number: 20120150205
    Abstract: The present invention relates to a silk nanofiber nerve conduit characterized in that fibroin nanofibers having a diameter of 200 to 400 nm, originated from silk fiber, are stacked layer upon layer to form a porous conduit-shape; and a method for producing thereof, more specifically, to a method for producing a silk nanofiber nerve conduit comprising: (Step 1) preparing a fibrous spinning solution; (Step 2) producing a silk nanofiber of conduit-shape by electrospinning the fibrous spinning solution prepared in step 1 into the cylindrical collecting part coated with polyethyleneoxide; and (Step 3) separating a silk nanofiber of conduit-shape produced in step 2 from the collecting part. The silk nanofiber nerve conduit of the present invention has excellent biocompatibility; allows the body fluid to be exchanged inter in and out of conduit through pores of the conduit, as well; has a proper elasticity, tensile strength, and tear strength.
    Type: Application
    Filed: August 11, 2010
    Publication date: June 14, 2012
    Applicant: SNU R&DB FOUNDATION
    Inventors: Young Hwan Park, Chang Seok Ki, Hyun Jeung Kim, Sook Young Park
  • Publication number: 20120111389
    Abstract: Disclosed is an apparatus for tracking and condensing sunlight of a sliding type which tracks a direction of sunlight according to variations of an altitude or orbit of the sun, pivots a solar module plate to maximize condensing efficiency, and strengthens a fixing structure on an inclined ground or inclined building surface by using a frame structure on the bottom without using a concrete base harmful to natural environment.
    Type: Application
    Filed: November 5, 2010
    Publication date: May 10, 2012
    Inventor: Young Hwan Park
  • Publication number: 20120111318
    Abstract: Disclosed is an apparatus for tracking and condensing sunlight of a wall installation type which tracks the position of the Sun and efficiently condenses sunlight according to variations of an altitude or orbit of the sun by installing a sunlight condensing device for adjusting an angle onto a wall. An apparatus for tracking and condensing sunlight of a wall installation type, comprises: a wall means 100; a sunlight condensing means 200 for condensing sunlight by forming onto a side surface of the wall means 100; and an opening and closing means 300 for adjusting condensing angle by opening or closing an end of the sunlight condensing means 200.
    Type: Application
    Filed: November 5, 2010
    Publication date: May 10, 2012
    Inventor: Young Hwan Park
  • Patent number: 8163103
    Abstract: A dishwasher is provided in which heights of basket(s) of a rack assembly may be easily changed. The dishwasher may include a frame configured to be inserted into and withdraw from a washing tub and plurality of basket positioning device configured to receive and support basket(s) at different heights.
    Type: Grant
    Filed: December 12, 2007
    Date of Patent: April 24, 2012
    Assignee: LG Electronics Inc.
    Inventors: Gap Su Shin, Nung Seo Park, Yong Jin Choi, Young Hwan Park, Jae Won Chang
  • Publication number: 20120007049
    Abstract: The present invention provides a nitride-based semiconductor device. The nitride-based semiconductor device includes: a base substrate having a diode structure; an epi-growth film disposed on the base substrate; and an electrode part disposed on the epi-growth film, wherein the diode structure includes: first-type semiconductor layers; and a second-type semiconductor layer which is disposed within the first-type semiconductor layers and has both sides covered by the first-type semiconductor layers.
    Type: Application
    Filed: November 2, 2010
    Publication date: January 12, 2012
    Inventors: Woo Chul JEON, Ki Yeol Park, Jung Hee Lee, Young Hwan Park
  • Publication number: 20120007053
    Abstract: Disclosed herein is a nitride-based semiconductor device. The nitride-based semiconductor device includes a base substrate having a PN junction structure, an epi-growth layer disposed on the base substrate, and an electrode unit disposed on the epi-growth layer.
    Type: Application
    Filed: November 2, 2010
    Publication date: January 12, 2012
    Inventors: Woo Chul JEON, Ki Yeol Park, Jung Hee Lee, Young Hwan Park
  • Publication number: 20110315167
    Abstract: A method for controlling a dishwasher including the steps of first determining a steam operation mode for washing dishes and second determining at least one of a motor rotation speed, a number of repetitions of a steam supply step, a steam washing pattern, and an amount of detergent based on the determined steam operation mode.
    Type: Application
    Filed: September 7, 2011
    Publication date: December 29, 2011
    Applicant: LG ELECTRONICS INC.
    Inventors: Yong Jin CHOI, Joon Ho PYO, Seong Ho KIM, Jung Youp HAN, Young Hwan PARK
  • Publication number: 20110298949
    Abstract: A light leakage compensating unit image sensor in a back side illumination method includes a photodiode and a storage diode, in which light input to a back side of the unit image sensor is received only by an area forming an electrode of the photodiode, and an area for forming another electrode of the photodiode and an area for forming two electrodes of the storage diode are separated from each other by a well, thereby compensating light leakage.
    Type: Application
    Filed: June 2, 2011
    Publication date: December 8, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-ho Lee, Jung-chak Ahn, Sang-joo Lee, Young-hwan Park, Dong-yoon Jang, Young-heub Jang
  • Publication number: 20110290284
    Abstract: An embodiment relates to a dish washer. A dish washer according to an embodiment comprises: a tub that defines a space for washing dishes; a water supply unit that has a water chamber where water supplied from the outside collects, to wash the dishes; a sump that is supplied with water from the water chamber and supplies wash water into the tub; and a heat exchange passage through which the wash water in the sump flows and exchanges heat with the water in the water chamber while flowing.
    Type: Application
    Filed: May 31, 2011
    Publication date: December 1, 2011
    Inventors: Moon Kee CHUNG, Kyung Hwa PARK, Yong Jin CHOI, Tae Hee LEE, Young Hwan PARK, Hyo Seon JANG, Sang Heon YOON, Jae Chul LEE
  • Publication number: 20110290282
    Abstract: Embodiments relate to a dish washer and a control method of the dish washer. A dish washer according to an aspect of the present invention comprises: a water supply unit that has a water chamber collecting water that is used to wash dishes; a sump that is supplied with the water in the water chamber and supplies wash water into a tub; a filter unit that is disposed in the sump and filters foreign substances in the wash water; and a heat exchange passage for heat exchange between the wash water in the sump and the water collecting in the water chamber, in which the wash water that has exchanged heat with the water chamber is discharged to the filter unit.
    Type: Application
    Filed: May 31, 2011
    Publication date: December 1, 2011
    Inventors: Tae Hee LEE, Yong Jin CHOI, Hyo Seon JANG, Moon Kee CHUNG, Kyung Hwa PARK, Young Hwan PARK
  • Patent number: RE43625
    Abstract: A drum type washing machine is provided, in which vibration is efficiently attenuated, by a maximum capacity within a size-fixed cabinet is provided, and by which a user does not bend over or sit down to load laundry into the washing machine. The drum type washing machine includes a cabinet forming an exterior of the drum type washing machine, a tub fixed within the cabinet, the tub having a laundry loading entrance at an outer circumference of the tub, a drum rotatably provided within the tub, the drum having an opening on a lateral side of the drum to communicate with the laundry loading entrance of the tub, a motor assembly provided next to one side of the drum to rotate the drum, and a suspension assembly provided to support a weight of the drum and attenuate vibration of the drum.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: September 4, 2012
    Assignee: LG Electronics Inc.
    Inventors: Na Eun Kim, Jin Woong Kim, Young Hwan Park, Jae Won Chang