Patents by Inventor Wan-woo Park

Wan-woo 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).

  • Patent number: 11977703
    Abstract: A touch detection module, includes: a plurality of driving electrodes arranged side by side; a plurality of sensing electrodes staggered with respect to the driving electrodes; and a touch driving circuit configured to supply touch driving signals to the plurality of driving electrodes and to detect touch detection signals through the plurality of sensing electrodes to identify touch position coordinates, wherein the touch driving circuit is configured: to vary frequency modulation parameter set values in response to a change in a frequency of reference clocks, and to generate and supply a frequency of the touch driving signals by using the reference clocks and a varied frequency modulation parameter set value.
    Type: Grant
    Filed: February 24, 2023
    Date of Patent: May 7, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin Woo Park, Min Hong Kim, Tae Joon Kim, Il Ho Lee, Wan Kee Jun
  • Patent number: 9496529
    Abstract: A secondary battery of the present invention includes an electrode assembly composed by a first plate and second pole plate, a separator interposed between the first pole plate and the second pole plate, and first and second electrode tabs connected to the first pole plate and the second pole plate, respectively; a battery case, in which a sealing portion is provided in an edge thereof, accommodating the electrode assembly; and an insulation member covering at least some of the sealing portion, wherein the electrode assembly is accommodated into the battery case so that the first and second electrode tabs are drawn out through the sealing portion, and the insulation member is provided to cover at least some of the portion in which the first or second electrode tabs are drawn.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: November 15, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Wan-Woo Park
  • Patent number: 9450214
    Abstract: A battery pack, including: an electrode assembly; a pouch accommodating the electrode assembly; an electrode lead connected with the electrode assembly and extending to the outside of the pouch; a slit part through which the electrode lead penetrates and a lead cover formed in the vicinity of the slit part; and an insulator covering the pouch and at least a portion of the electrode lead.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: September 20, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Wan-Woo Park, Seung-Il Kim
  • Publication number: 20130149600
    Abstract: A battery pack, including: an electrode assembly; a pouch accommodating the electrode assembly; an electrode lead connected with the electrode assembly and extending to the outside of the pouch; a slit part through which the electrode lead penetrates and a lead cover formed in the vicinity of the slit part; and an insulator covering the pouch and at least a portion of the electrode lead.
    Type: Application
    Filed: October 24, 2012
    Publication date: June 13, 2013
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: WAN-WOO PARK, SEUNG-IL KIM
  • Patent number: 6024621
    Abstract: A method for forming partition walls of a plasma display device comprising the steps of: (a) preparing a substrate; (b) forming a partition wall layer of a predetermined thickness on the upper surface of the substrate; and (c) forming partition walls by cutting the partition wall layer to a predetermined depth.
    Type: Grant
    Filed: November 30, 1998
    Date of Patent: February 15, 2000
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Min-ho Kim, Wan-woo Park
  • Patent number: 5876635
    Abstract: A conductive composition and a CRT bulb employing the conductive layer. The conductive composition includes from about 0.4 to about 10 wt % of tin oxide, from about 4.5 to about 7.0 wt % of a dispersing agent, from about 3.5 to about 7.0 wt % of an antiabsorbent, from about 0.8 to about 4.0 wt % of a vaporization inhibitor, and from about 0.020 to about 0.25 wt % of a surfactant, based on the total weight of an alcoholic solvent. The conductive composition exhibits good solubility, coating performance, and heat stability, and a conductive layer formed of the conductive composition exhibits low surface resistance and enhanced luminance.
    Type: Grant
    Filed: December 27, 1996
    Date of Patent: March 2, 1999
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Bong-mo Jeong, Min-ho Kim, Jae-ho Shim, Wan-woo Park, Deuk-yong Yang
  • Patent number: 5840817
    Abstract: A polymer for a photo-conductive layer and a preparation method thereof is provided. The polymer is suitable for using as a charge transporting material for a photo-conductive layer owing to its excellent electron transporting capacity as well as high solubility to a solvent and good compatibility with the binder polymer.
    Type: Grant
    Filed: November 18, 1996
    Date of Patent: November 24, 1998
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Jae-ho Shim, Min-ho Kim, Bong-mo Jeong, Wan-woo Park, Deuk-yong Yang
  • Patent number: 5834144
    Abstract: Styrene-acrylic copolymer is used as an organic binder, fluorenone derivative is used as an electron receptor and tetraphenylbutadiene derivative is used as an electron donor to produce a color display panel which has a low decomposition temperature, a high electron transferring ability and a charge maintenance ability to manufacture a color display panel without a change of brightness and color coordinates in a fluorescent screen.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: November 10, 1998
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Min Ho Kim, Wan Woo Park
  • Patent number: 5750296
    Abstract: A photo-conductive composition and CRT bulb having a photo-conductive layer formed of the same are provided. The photo-conductive composition comprises 5-15 wt % of a charge transmitting substance, represented by the structural formula (1); ##STR1## where R.sub.1 is selected from the group consisting of a phenyl group substituted by one to three substituents selected from the group consisting of amino, dialkylamino, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkyl and cyano groups; 9-alkyl carbazole group; naphthyl group, and R.sub.2 and R.sub.3 are same or different independently from each other, each being selected from the group consisting of hydrogen and C.sub.1 -C.sub.6 alkyl, phenyl and naphthyl groups, and n is between 0 and 2; 1-15 wt % of a charge generating substance which absorbs light in the wavelength range of an ultraviolet region; 70-94 wt % of a binder; and 0.05-1 wt % of a surfactant.
    Type: Grant
    Filed: August 14, 1996
    Date of Patent: May 12, 1998
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Min-ho Kim, Bong-mo Jeong, Jae-ho Shim, Wan-woo Park, Deuk-yong Yang
  • Patent number: 5726218
    Abstract: A photo-conductive composition and CRT bulb having a photoconductive layer formed of the same are provided. The photo-conductive composition comprises 5-15 wt % of a charge transmitting substance, represented by the structural formula (1) ##STR1## where R is selected from the group consisting of hydrogen, C.sub.1 -C.sub.10 linear alkyl or branched alkyl, halogen, alkylamino (NR.sub.1), alkylester (COOR.sub.1) and .alpha.-cyanomethyl alkylketone (CH(CN)COR.sub.2), R.sub.1 and R.sub.2 being selected from the group consisting of C.sub.1 -C.sub.10 alkyl, aryl, C.sub.1 -C.sub.10 alkoxy and aryloxy, and n is an integer between 500 and 1000;1-15 wt % of a charge generating substance which absorbs light in the wavelength range of an ultraviolet region;70-93.95 wt % of a binder; and0.05-1 wt % of a surfactant. The photo-conductive composition exhibits excellent sintering characteristic and can form a photoconductive layer having excellent sensitivity, durability and luminance.
    Type: Grant
    Filed: September 4, 1996
    Date of Patent: March 10, 1998
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Bong-mo Jeong, Min-ho Kim, Jae-ho Shim, Wan-woo Park, Deuk-yong Yang
  • Patent number: 5723070
    Abstract: A phosphor for a color cathode ray tube (CRT) characterized in which the phosphor is coated with a charge regulator such as nigrosine or quaternary ammonium salt and manufacturing method thereof are provided. The phosphor according to the present invention can be positively charged to a level suitable for forming a fluorescent screen by an electrophotographic process.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: March 3, 1998
    Assignee: Samsung Display Devices Co., Ltd.
    Inventors: Min-ho Kim, Bong-mo Jeong, Jae-ho Shim, Wan-woo Park, Deuk-yong Yang