Patents by Inventor Tae In CHOI

Tae In CHOI 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).

  • POLYMER AND POLYMER ACTUATOR COMPRISING THE SAME
    Publication number: 20140001924
    Abstract: Provided are a polymer and a polymer actuator including the polymer. The polymer is cross-linked by a cross-linking agent. When the polymer is used in the polymer actuator, the polymer actuator shows a high strain and may be stably operated at high temperatures.
    Type: Application
    Filed: September 4, 2013
    Publication date: January 2, 2014
    Applicants: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung-Tae CHOI, Young-kwan LEE, Ja-Choon KOO, Jong-oh KWON, Su-jin PARK
  • ORGANIC LIGHT EMITTING DEVICE
    Publication number: 20130342519
    Abstract: An organic light emitting device is provided. The organic light emitting device includes an organic light emitting panel, a drive unit receiving image data and image luminance discrimination signal that includes information on a maximum luminance of the image and providing a data voltage corresponding to the image luminance discrimination signal to the organic light emitting panel, and a power supply unit providing a common voltage to the organic light emitting panel. The common voltage is varied to correspond to the image luminance discrimination signal.
    Type: Application
    Filed: November 5, 2012
    Publication date: December 26, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bo-Yeon Kim, Oh-Jo Kwon, Won-Tae Choi
  • Apparatus and method for auto white balance control considering the effect of single tone image
    Patent number: 8614750
    Abstract: An apparatus for auto white balance includes a histogram generation unit writing respective histograms of Cb values and Cr values with regard to pixels included in an input image frame, a single-tone determination unit comparing respective maximum values of the histograms of Cb values and Cr values with a first threshold value, and determining the input image frame as a single-tone image if at least one of the maximum values is higher than the first threshold value, and an auto white balance gain computation unit computing and an auto white balance gain by using color information of an input image frame and outputting the computed auto white balance gain, wherein if the input image frame is determined to be a single-tone image, the auto white balance gain computation unit outputs an auto white balance gain computed with respect to a previous input image frame.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: December 24, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Joo Hyun Kim, Bong Soon Kang, Sung Mok Lee, Won Woo Jang, Kyung Rin Kim, Won Tae Choi, Joo Young Ha
  • Apparatus for improving sharpness of image
    Patent number: 8606034
    Abstract: There is provided an apparatus for improving the sharpness of an image, which may prevent occurrence of distortion of an image in an edge enhancement process of the image by applying an active weight in accordance with a two-dimensional (2D) high pass filtering value of the image. The apparatus may include: a 2D high pass filter outputting a high frequency element value for the luminance values of pixels of an input image; a weight generating unit generating a weight changed depending on a magnitude of the high frequency element value; a weight applying unit applying the weight to the high frequency element value; and an edge enhancement image generating unit adding, to the luminance values of the pixels of the input image, the high frequency element value to which the weight is applied to thereby output an image of which an edge is enhanced.
    Type: Grant
    Filed: April 22, 2011
    Date of Patent: December 10, 2013
    Assignees: Samsung Electro-Mechanics Co., Ltd., Dong-A University Research Foundation for Industry-Academy Cooperation
    Inventors: Joo Young Ha, Won Tae Choi, Bong Soon Kang, Byung Hyun Kim, Joo Hyun Kim, Sun Mi Sin, Won Woo Jang, Hak Yong Han, Gi Dong Lee
  • Apparatus and method for data communication using radio frequency
    Patent number: 8605773
    Abstract: A data communication apparatus using a radio frequency and a data processing method thereof are provided. A first communication apparatus frequency shift keying and phase shift keying modulates and transmits data from a service server to a radio frequency band. A second communication apparatus modulates, demodulates, and outputs the data. The data communication apparatus using a radio frequency, includes: a data modulation module frequency shift keying and phase shift keying modulates data to a radio frequency band to generate a modulated data signal; and a data transmission module transmitting the modulated data to another communication apparatus.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: December 10, 2013
    Assignee: Hyundai Motor Company
    Inventors: Yu Tae Choi, Young Seak Kim
  • Liquid lens
    Patent number: 8599490
    Abstract: A variable-focus liquid lens is provided. The liquid lens includes a membrane and a fluid. The membrane is made of a transparent elastomer, and the fluid fills a predetermined space to contact at least a lens surface of the membrane. The membrane and the fluid are respectively made of materials repulsive to each other, for example, hydrophilic and hydrophobic materials or oleophilic and oleophobic materials. Accordingly, a repulsive force between the fluid and the membrane can prevent the absorption or leaking of the fluid into/through the membrane.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: December 3, 2013
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Jeong-yub Lee, Cheol-min Park, Seung-tae Choi, Seung-wan Lee, Jong-oh Kwon, Hee-joon Jung
  • LED package structure and manufacturing method, and LED array module
    Patent number: 8592231
    Abstract: An LED package includes a substrate having an electrically conductive portion and an electrically non-conductive portion composed of an oxide of the conductive portion; an LED mounted on the conductive portion and electrically connected to the conductive portion; a first electrode disposed on the non-conductive portion and electrically connected to the LED by a wire; and a second electrode disposed on the substrate and electrically connected to the LED.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: November 26, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-ho Shin, Soon-cheol Kweon, Kyu-ho Shin, Ki-hwan Kwon, Seung-tae Choi, Chang-youl Moon
  • Beamformer and beamforming method
    Patent number: 8577308
    Abstract: Disclosed are a beamformer and a beamforming method. The beamformer includes a plurality of dividers, each of which divides an input signal along a plurality of paths, an input switch which selects one of the dividers such that the input signal is input to the selected divider, a phase shifter which shifts phases of respective output signals from the divider, and an output switch which transmits the output signals from the phase shifter to an antenna.
    Type: Grant
    Filed: November 11, 2008
    Date of Patent: November 5, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Tae Choi, Jung-Han Choi, Young-Hwan Kim, Dong-Hyun Lee, Hong-Yi Kim, Ki-Chan Eun, Chul-Soon Park
  • Apparatus and method for generating mesh models of feathers
    Patent number: 8576221
    Abstract: Provided are an apparatus and a method for generating mesh models of feathers. The apparatus for generating the mesh models of the feathers includes a geometrical model analyzing unit that analyzes groups of barbs included in a geometrical curve model of the feather; a calculating unit that calculates the number of grids for each of the groups of barbs by applying curve lengths of the barbs and an average length of the curve lengths included in each of the groups of barbs; and a mesh model generating unit that constructs the geometrical curve models as polygonal mesh models based on the number of grids. According to the present invention, it extracts curved points by using characteristics of a model of a feather and constructs polygonal meshes by using the extracted curved points, thereby making it possible to physically and realistically express the forced physical variation of the polygonal meshes.
    Type: Grant
    Filed: December 3, 2010
    Date of Patent: November 5, 2013
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Choong-Gyoo Lim, Byoung-Tae Choi
  • DENSIFICATION FOR FLOWABLE FILMS
    Publication number: 20130288485
    Abstract: A method of forming a dielectric layer is described. The method first deposits an initially-flowable layer on a substrate. The initially-flowable layer is then densified by exposing the substrate to a high-density plasma (HDP). Essentially no additional material is deposited on the initially-flowable layer, in embodiments, but the impact of the accelerated ionic species serves to condense the layer and increase the etch tolerance of the processed layer.
    Type: Application
    Filed: March 11, 2013
    Publication date: October 31, 2013
    Applicant: Applied Materials, Inc.
    Inventors: Jingmei Liang, Sukwon Hong, Jun Tae Choi
  • Electroactive polymer actuator and method of manufacturing the same
    Patent number: 8564181
    Abstract: A multilayered electroactive polymer (EAP) device and a method of manufacturing the same is provided. The multilayered EAP device includes a plurality of unit layers. Each unit layer includes an EAP layer formed of an electroactive polymer (EAP), a protecting layer configured to prevent a material from penetrating into the EAP layer, and an active electrode formed using a conductive material. The protecting layer may be formed below the active layer or above the active layer. The active electrode may be interposed between two protecting layers.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: October 22, 2013
    Assignees: Samsung Electronics Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Seung-Tae Choi, Jong-Oh Kwon, Youn-Jung Park, Cheol-Min Park, Yeon-Sik Choi
  • Polymer and polymer actuator comprising the same
    Patent number: 8552623
    Abstract: Provided are a polymer and a polymer actuator including the polymer. The polymer is cross-linked by a cross-linking agent. When the polymer is used in the polymer actuator, the polymer actuator shows a high strain and may be stably operated at high temperatures.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: October 8, 2013
    Assignees: Samsung Electronics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Seung-tae Choi, Young-kwan Lee, Ja-Choon Koo, Jong-oh Kwon, Su-jin Park
  • KIT FOR SCREENING FOR SKIN-ACTIVATING SUBSTANCES AND COMPRISING THE KLOTHO GENE, AND METHOD FOR SCREENING FOR SKIN-ACTIVATING SUBSTANCES USING THE SAME
    Publication number: 20130252247
    Abstract: The present invention relates to a kit for screening for skin-activating substances, and to a method for screening for skin-activating substances using same. More particularly, the present invention relates to a kit for screening for skin-activating substances and to a method for screening for skin-activating substances using same, in which candidates for inducing the expression of the klotho gene are separated from skin cells by the screening kit comprising the klotho gene, also known as the anti-aging gene, and the separated candidates are refined, thus screening for skin-activating substances such as moisturizing, anti-aging, or whitening substances.
    Type: Application
    Filed: October 28, 2011
    Publication date: September 26, 2013
    Applicant: Amorepacific Corporation
    Inventors: Hyang Tae Choi, Eui Dong Son, Jin Young Lee, Yong Joo Na, Ji Hyun Bae
  • Cellulose Acylate Film
    Publication number: 20130234083
    Abstract: Provided are a cellulose acylate film used for optical compensation and additives used therefor and, more particularly, is a cellulose acylate film with mechanical physical properties, in particular, very improved modulus affecting film durability.
    Type: Application
    Filed: November 18, 2011
    Publication date: September 12, 2013
    Applicant: SK INNOVATION CO., LTD.
    Inventors: Won Seok Jang, Yong Gyun Cho, Won Yeob Kim, Jun Tae Choi, Myoung Lae Kim, Hyuk Jun Kim, Ki Yup Kim, Sung Ho Son
  • Apparatus and method for removing red-eye in a two-dimensional (2D) image
    Patent number: 8515169
    Abstract: An apparatus and method for removing red-eye in a 2D image, which can remove red-eye more naturally and apply a gain for a real-time correction on input pixels by differently performing a correction degree according to positions of pixels included in red-eye.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: August 20, 2013
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Kang Joo Kim, Bong Soon Kang, Suk Chan Kim, Won Woo Jang, Sung Jin Lee, Jung Hwan Park, Hak Sun Kim, Won Tae Choi, Boo Dong Kwak
  • APPARATUS FOR ADJUSTING SADDLE RETAINING ANGLE OF BICYCLE
    Publication number: 20130207424
    Abstract: The present invention relates to an apparatus for adjusting a saddle retaining angle of a bicycle, and in particular to an apparatus for adjusting a saddle retaining angle of a bicycle by which a user can ride a bicycle in a safe posture irrespective of an inclination of a bicycle when a bicycle goes up or down an inclined road in such a manner that a retaining angle of a bicycle saddle fixed to a bicycle body can be easily changed by a rider depending on an inclination of a bicycle so that a user can ride in a safe posture.
    Type: Application
    Filed: June 9, 2011
    Publication date: August 15, 2013
    Inventor: Jong Tae Choi
  • TRANSMISSION LINE TRANSITION HAVING VERTICAL STRUCTURE AND SINGLE CHIP PACKAGE USING LAND GRIP ARRAY COUPLING
    Publication number: 20130194754
    Abstract: An apparatus for a single chip package using Land Grid Array (LGA) coupling is provided. The apparatus includes a multi-layer substrate, at least one integrated circuit chip, and a Printed Circuit Board (PCB). The a multi-layer substrate has at least one substrate layer, has at least one first chip region and at least one second chip region in a lowermost substrate layer, configures a transmission line transition of a vertical structure for transmitting a signal from at least one integrated circuit chip coupled in the first chip region in a coaxial shape or in a form of a Co-Planar Waveguide guide (CPW), and has an LGP coupling pad for connecting with a Printed Circuit Board (PCB) in the lowermost layer. The at least one integrated circuit chip is coupled in the first chip region and the second chip region. The PCB is connected with the multi-layer substrate using the LGA coupling via the LGA coupling pad.
    Type: Application
    Filed: October 5, 2011
    Publication date: August 1, 2013
    Applicant: Samsung Electronics Co. Ltd.
    Inventors: Dong-Yun Jung, Sung-Tae Choi, Young-Hwan Kim, Jung-Han Choi, Ji-Hoon Kim, Jei-Young Lee, Dong-Hyun Lee
  • Multi-layer waveguide structure having spaced apart first and second signal units of different widths and heights
    Patent number: 8497742
    Abstract: A waveguide of a multi-layer metal structure and a manufacturing method thereof are provided, the method including applying a plurality of metal layers on a substrate and a plurality of insulating layers respectively between the respective metal layers. Accordingly, it is possible to minimize conductive loss by dispersing current uniformly through wide regions between a signal line and ground lines.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: July 30, 2013
    Assignees: Samsung Electronics Co., Ltd., Seoul National University Industry Foundation
    Inventors: Dong-hyun Lee, Young-hwan Kim, Sung-tae Choi, Jung-han Choi, Cheol-gyu Hwang, Young-woo Kwon, Woo-yeol Choi
  • Solid electrolyte polymer, polymer actuator using cross-linked polyvinylidene fluoride-based polymer, and method of manufacturing the polymer actuator
    Patent number: 8480917
    Abstract: A solid electrolyte polymer including a cross-linked polyvinylidene fluoride (PVDF)-based polymer, and a polymer actuator including the cross-linked PVDF-based polymer and an electrolytic material.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: July 9, 2013
    Assignees: Samsung Electronics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Jong-oh Kwon, Seung-tae Choi, Young-kwan Lee, Ja-Choon Koo, Su-jin Park
  • METHOD AND APPARATUS FOR GENERATING AVATAR
    Publication number: 20130106900
    Abstract: Disclosed herein are a method and an apparatus for creating an avatar. A method for creating an avatar in accordance with an exemplary embodiment of the present invention includes: recognizing an object to be created as the avatar; generating distinguishing feature information by recognizing distinguishing features of the object; generating distinguishing feature metadata including the distinguishing feature information; and creating the avatar using the distinguishing feature metadata. Exemplary embodiments of the present invention can impart a difference to the same avatar by creating the avatar using inherent features, that is, distinguishing features included in each object when the avatar for the same object like a twin is created.
    Type: Application
    Filed: July 5, 2011
    Publication date: May 2, 2013
    Inventors: Sang hyun Joo, Il kwon Jeong, Byoung tae Choi