Patents by Inventor Chi-Young Lee

Chi-Young 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).

  • Publication number: 20170084887
    Abstract: An exemplary embodiment provides a rechargeable battery including a case including an internal space and an opening and a cap plate coupled to the case to cover the opening. The cap plate may include a first portion having a first thickness, and a second portion continuously disposed along an edge of the cap plate and having a second thickness that is thicker than the first thickness.
    Type: Application
    Filed: July 18, 2016
    Publication date: March 23, 2017
    Inventors: Chi-Young LEE, Myung-Jae JANG
  • Publication number: 20170027828
    Abstract: Provided is a sun protection composition including a UV absorber and a plurality of porous titanium dioxide microspheres. The UV absorber absorbs light of at least one of UVA radiation and UVB radiation. The particle size of the porous titanium dioxide microspheres is 100 nm to 300 nm, and the porous titanium dioxide microspheres can scatter light in a wavelength range between 200 nm and 400 nm. A cosmetic and a fabric containing the sun protection composition can also scatter light in a wavelength range between 200 nm and 400 nm, such that the UV protection capability of the cosmetic and the fabric is enhanced.
    Type: Application
    Filed: March 28, 2016
    Publication date: February 2, 2017
    Inventors: Chi-Young Lee, Min-Chiao Tsai
  • Publication number: 20170018794
    Abstract: A rechargeable battery includes an electrode assembly including a first electrode and a second electrode; a case receiving the electrode assembly; a cap plate coupled to the case and defining a terminal hole; a first electrode terminal at the cap plate; a second electrode terminal at the cap plate; a first current collecting tab electrically connecting the electrode assembly to the first electrode terminal; and a second current collecting tab electrically connecting the electrode assembly to the second electrode terminal, wherein at least one of the first electrode terminal or the second electrode terminal protrudes outside the cap plate as a rivet terminal.
    Type: Application
    Filed: May 23, 2016
    Publication date: January 19, 2017
    Inventors: Chi-Young Lee, Myung-Jae Jang, Sang-Won Byun
  • Publication number: 20160372793
    Abstract: A rechargeable battery including: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case accommodating the electrode assembly; a cap plate sealing an opening of the case; a first sub-terminal including a first portion and a second portion integrally formed with the first portion, the first portion being arranged at one end of the cap plate and the second portion being arranged at an outer surface of the case; and a second sub-terminal including a third portion and a fourth portion integrally formed with the third portion, the third portion being arranged at another end of the cap plate and the fourth portion being arranged at another outer surface of the case.
    Type: Application
    Filed: May 17, 2016
    Publication date: December 22, 2016
    Inventors: Chi-Young Lee, Myung-Jae Jang, Sang-Won Byun
  • Patent number: 9525161
    Abstract: Disclosed is a rechargeable battery including a case, an electrode assembly accommodated in the case, a first terminal unit electrically coupled to the electrode assembly, and a first current collector including a first portion coupled with the electrode assembly, a second portion coupled with the first terminal unit, and a connection unit coupling the first portion and the second portion and having a thickness that is greater than the thickness of the first portion.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: December 20, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Chi-Young Lee, Seok-Yoon Yoo, Yun-Jung Kwak, Jeong-Won Oh
  • Patent number: 9505630
    Abstract: The present invention relates to a method for tuning shape, exposed crystal face and size of titanium dioxide by using inorganic salts and changing pH value of the reaction environment. The present invention changes the shape of titanium dioxide crystal and the exposed face thereof by adding different inorganic salts during the reaction to utilize different alkali metal ions of the inorganic salts and also can change the size of titanium dioxide crystal by tuning different pH value in the reaction. By this synthesis method, the shape and size of titanium dioxide can be tuned for different applications, such as photocatalysis, dye-sensitized solar cells, photolysis of water and other optoelectronic components or materials, to achieve their optimal efficiencies.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: November 29, 2016
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chi-Young Lee, Hsin-Tien Chiu, Min-Han Yang
  • Publication number: 20160343566
    Abstract: The present invention relates to a substrate with a crystallized silicon film and manufacturing method thereof, wherein the substrate with the crystallized silicon film comprises: a substrate, which is a polymer substrate; and a crystallized silicon film, which is formed on at least one surface of the substrate, wherein the crystallized silicon film comprises a plurality of silicon crystals with column structures, and the crystallinity of the crystallized silicon film is higher than 90%.
    Type: Application
    Filed: August 3, 2016
    Publication date: November 24, 2016
    Inventors: Nyan-Hwa TAI, Chi-Young LEE, Ping-Yen HSIEH
  • Publication number: 20160315306
    Abstract: A rechargeable battery includes: a case accommodating an electrode assembly; a cap plate closing and sealing an opening of the case; an electrode terminal including a rivet terminal being coupled to the electrode assembly and extending through a terminal opening in the cap plate, and a plate terminal being at an outer surface of the cap plate and coupled to the rivet terminal; and an insulating member electrically insulating the electrode terminal from the cap plate, the insulating member including a first insulator and a second insulator. The first insulator being between the cap plate and the plate terminal at an outer periphery of the rivet terminal, and the second insulator being coupled to the first insulator at an outer periphery of the first insulator and between the cap plate and the plate terminal.
    Type: Application
    Filed: October 23, 2015
    Publication date: October 27, 2016
    Inventors: Myung-Jae Jang, Chi-Young Lee, Sang-Won Byun
  • Publication number: 20160308188
    Abstract: A rechargeable battery includes an electrode assembly including first and second electrodes, a case in which the electrode assembly is accommodated, a cap plate combined to an opening of the case, the cap plate including a first terminal hole and a second terminal hole, a first electrode terminal passing through the first terminal hole of the cap plate and a second electrode terminal passing through the second terminal hole of the cap plate, and a lead tab connecting the electrode assembly to the second electrode terminal. The second electrode terminal includes a press-fit portion protruding therefrom, the press-fit portion being press-fitted to the second terminal hole of the cap plate.
    Type: Application
    Filed: October 14, 2015
    Publication date: October 20, 2016
    Inventors: Myung-Jae JANG, Chi-Young LEE, Sang-Won BYUN
  • Publication number: 20160308177
    Abstract: A rechargeable battery includes an electrode assembly including first and second electrodes; a case in which the electrode assembly is accommodated; a cap plate combined to the case; an electrode terminal provided in the cap plate and including first and second electrode terminals; and a lead tab including first and second current collecting tabs for electrically connecting the electrode assembly to the electrode terminal, wherein the second current collecting tab includes an electrode connecting portion that is connected to the electrode assembly, and a terminal connecting portion that is bent from the electrode connecting portion and electrically coupled to the cap plate.
    Type: Application
    Filed: October 29, 2015
    Publication date: October 20, 2016
    Inventors: Myung-Jae Jang, Chi-Young Lee, Sang-Won Byun
  • Patent number: 9466823
    Abstract: A rechargeable battery including an electrode assembly, a case housing the electrode assembly, a cap plate coupled to the case, a first electrode terminal on the cap plate, and a first lead tab electrically connecting the electrode assembly and the first electrode terminal, wherein the first lead tab has a cell fuse and a heat dissipating member coupled to the first lead tab and spaced from the cell fuse.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: October 11, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yun-Jung Kwak, Jeong-Won Oh, Seok-Yoon Yoo, Chi-Young Lee, Min-Seok Koo
  • Patent number: 9466742
    Abstract: A photoelectric conversion material is disclosed in the present invention and comprises at least a cone material. The cone material is composed of an isomer and comprises a plurality of grains. The sizes of the grains are arranged from smaller ones to larger ones along a direction. In the meantime, a method for fabricating the above photoelectric conversion material is also disclosed here. The method comprises the following steps. First, a precursor is provided. The precursor comprises at least a cone material and the cone material is a multilayer structured material, such as sodium titanate and potassium titanate, formed by stacking first materials and second materials. And then, the precursor is annealed to let the second materials leave from the cone material, and the cone material becomes the above photoelectric conversion material with a plurality of grains.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: October 11, 2016
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Chi-Young Lee, Hsin-Tien Chiu, Po-Chin Chen, Min-Chiao Tsai
  • Publication number: 20160293908
    Abstract: A rechargeable battery includes an electrode assembly having a first electrode and a second electrode on either side of a separator, a case accommodating the electrode assembly, a cap plate sealing the case and electrically connected to the second electrode, a first terminal electrically connected to the first electrode and located with a terminal hole of the cap plate, and a second terminal directly connected to the cap plate, wherein the second terminal includes a spacing part spaced from the cap plate and configured to be connected to a bus bar, and a connection part connected to the spacing part through a round part and connected to the cap plate, wherein a curvature radius of an outer surface of the round part is less than a first thickness of the connection part.
    Type: Application
    Filed: October 9, 2015
    Publication date: October 6, 2016
    Inventors: Chi-Young Lee, Myung-Jae Jang
  • Publication number: 20160276633
    Abstract: A rechargeable battery includes a cap plate which closes and seals an opening of a case. The cap plate includes a welded portion, an adhesive portion, and a separated portion. The welded portion is welded to the opening of the case. The adhesive portion is recessed in the welded portion by a thickness of the case, and is thicker than the welded portion to protrude inward. A lateral surface contacts an inner surface of the opening. The separated portion is connected to the adhesive portion, is further recessed in a thickness direction of the case, and is separated from the inner surface of the opening.
    Type: Application
    Filed: September 24, 2015
    Publication date: September 22, 2016
    Inventors: Chi-Young LEE, Myung-Jae JANG
  • Publication number: 20160268582
    Abstract: A rechargeable battery, including an electrode assembly for performing charging and discharging operations; a case in which the electrode assembly is placed; a cap plate for closing and sealing an opening of the case; an electrode terminal provided outside of the cap plate through a terminal hole of the cap plate, the electrode terminal electrically coupled to the electrode assembly; and an insulating member for electrically insulating the electrode terminal from the cap plate, the electrode terminal including a rivet terminal in the terminal hole and a plate terminal connected to the rivet terminal outside of the cap plate, and the insulating member including a first insulator at an external circumference of the rivet terminal outside of the terminal hole and a second insulator between the cap plate and the plate terminal at an external circumference of the first insulator.
    Type: Application
    Filed: September 25, 2015
    Publication date: September 15, 2016
    Inventors: Chi-Young LEE, Myung-Jae JANG
  • Patent number: 9443924
    Abstract: The present invention relates to a substrate with a crystallized silicon film and manufacturing method thereof, wherein the substrate with the crystallized silicon film comprises: a substrate, which is a polymer substrate; and a crystallized silicon film, which is formed on at least one surface of the substrate, wherein the crystallized silicon film comprises a plurality of silicon crystals with column structures, and the crystallinity of the crystallized silicon film is higher than 90%.
    Type: Grant
    Filed: November 12, 2014
    Date of Patent: September 13, 2016
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Nyan-Hwa Tai, Chi-Young Lee, Ping-Yen Hsieh
  • Publication number: 20160260961
    Abstract: A rechargeable battery that simplifies a structure that implements an external short circuit and that reduces a production cost is provided. The rechargeable battery includes: an electrode assembly that is formed by spiral-winding a first electrode and a second electrode that are disposed at respective surfaces of a separator interposed therebetween; a case that houses the electrode assembly; a cap plate that closes and seals an opening of the case; a first electrode terminal that is connected to the first electrode and that is installed in an insulation state in the cap plate; a second electrode terminal that is connected to the second electrode and that is electrically connected to the cap plate; and a vent plate that is installed in a vent hole of the cap plate and that is short-circuited with the first electrode terminal when the vent hole is opened.
    Type: Application
    Filed: October 28, 2015
    Publication date: September 8, 2016
    Inventors: Chi-Young LEE, Myung-Jae JANG, Seung-Ho KWAK
  • Publication number: 20160260956
    Abstract: A rechargeable battery includes: an electrode assembly; a case housing the electrode assembly; a cap plate closing and sealing an opening of the case; an electrode terminal at an outside of the cap plate with respect to the case, extending through an opening in the cap plate, and electrically connected to the electrode assembly; and an insulating member between the electrode terminal and the cap plate. The electrode terminal includes: a first plate terminal electrically connected to the electrode assembly; a second plate terminal spaced from the first plate terminal; and a fuse connecting the first plate terminal and the second plate terminal and being at least partially surrounded by the insulating member.
    Type: Application
    Filed: August 18, 2015
    Publication date: September 8, 2016
    Inventors: Myung-Jae Jang, Sang-Won Byun, Chi-Young Lee
  • Publication number: 20160260940
    Abstract: A rechargeable battery that reduces a production cost by reducing a number of processes of a case is provided. The rechargeable battery includes: a case that houses an electrode assembly; a cap plate that is coupled to an opening of the case; and an electrode terminal that is electrically connected to the electrode assembly to be provided in the cap plate, wherein the cap plate has an inclined portion at a side surface of an outer edge and a modified groove at a corner of an outer surface and is coupled to the opening with the inclined portion while the modified groove becomes narrow.
    Type: Application
    Filed: September 21, 2015
    Publication date: September 8, 2016
    Inventors: Chi-Young LEE, Myung-Jae JANG
  • Publication number: 20160254508
    Abstract: A rechargeable battery includes: an electrode assembly having a first electrode and a second electrode; an electrode terminal electrically connected to the electrode assembly; a case that receives the electrode assembly; a cap plate at an opening of the case, the cap plate closing and sealing the case and having a vent hole configured to discharge an internal pressure of the case; and a vent module including a vent portion, the vent portion including a buffer portion configured to buffer an impact that is transferred to the vent hole, and a fracture portion that closes and seals the vent hole, wherein the fracture portion is configured to be fractured by the internal pressure.
    Type: Application
    Filed: August 18, 2015
    Publication date: September 1, 2016
    Inventors: Chi-Young Lee, Myung-Jae Jang, Sang-Won Byun