Patents by Inventor Beom-Wook Lee

Beom-Wook 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: 20140038046
    Abstract: An anode including; an anode active material; and a porous binder including a nanopore, wherein an anode mixture density is about 1.5 g/cc or greater, a lithium battery including the anode, a binder composition, and a method of manufacturing the electrode.
    Type: Application
    Filed: February 15, 2013
    Publication date: February 6, 2014
    Applicant: SAMSUNG SDI CO., LTD.
    Inventors: Beom-Wook Lee, Bum-Jin Chang, Hye-Sun Jeong
  • Publication number: 20130323592
    Abstract: A binder for an electrode of a lithium battery, an electrode including the binder, and a lithium battery including the binder. The binder includes an epoxy-phenolic resin and a rubber-based resin, and prevents deformation of an electrode even when expansion and contraction of an active material occur from charging and discharging operations of a lithium battery, and thus improves lifetime of the lithium battery.
    Type: Application
    Filed: March 14, 2013
    Publication date: December 5, 2013
    Inventors: Beom-Wook Lee, Hye-Sun Jeong, Hye-Ran Lee
  • Publication number: 20130177807
    Abstract: A binder for an electrode of a lithium battery, and a lithium battery containing the binder. The binder includes: a carbon nanotube; and a polymer chemically bonded to the carbon nanotube, and thus may form a conducting path by improving dispersion of the carbon nanotube. Accordingly, the binder may have high capacity and improve the lifetime of the lithium battery.
    Type: Application
    Filed: August 29, 2012
    Publication date: July 11, 2013
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook LEE, Hye-Sun JEONG, Hye-Ran LEE
  • Patent number: 8227988
    Abstract: Provided is a material for forming barrier ribs, barrier ribs formed using the material, and a PDP comprising the barrier ribs. The material is photosensitive and made from a glass frit composition which is environmentally friendly (no Pb or Bi) and also prevents light scattering. The primary component of the glass frit is P2O5. Other components can be included in the barrier rib forming material such as an alkali-based metal oxide, B2O3, SiO2, etc. The barrier rib formed of the glass frit can additionally include a photosensitive organic material which may include a crosslinking agent, a polyfunctional monomer or oligomer, a photo initiator, a binder and an additive. A method of forming the barrier ribs comprising the glass frit composition is also provided as is a PDP including such barrier ribs.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: July 24, 2012
    Assignee: Samsung SDI Co., Ltd
    Inventors: Beom-Wook Lee, Jong-Seo Choi, Kwi-Seok Choi, Myung-Duk Lim, Bum-Jin Chang, Jong-Hee Hwang
  • Patent number: 8198003
    Abstract: Photosensitive paste compositions, barrier ribs of plasma display panels (PDPs) including the same, and PDPs including the barrier ribs are provided. More particularly, a photosensitive paste composition includes an organic component and an inorganic component, where the organic component and the inorganic component each have an average refractive index of less than 1.5. The organic component used in the photosensitive paste composition is not harmful to the human body, is inexpensive, is generally easily obtained, and succumbs readily to thermal decomposition. Accordingly, using such an organic component, barrier ribs of PDPs having high resolution and high compactness by exposure to light only once can be prepared.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: June 12, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Beom-Wook Lee
  • Patent number: 8092982
    Abstract: Photosensitive paste compositions, barrier ribs of plasma display panels (PDPs) prepared using the same, and PDPs including the barrier ribs are provided. The photosensitive paste composition includes an organic-inorganic complex sol and an inorganic material, wherein the average refractive index (N1) of the organic-inorganic complex sol and the average refractive index (N2) of the inorganic material satisfy the equation ?0.2?N1?N2?0.2. Using the photosensitive paste composition, patterned barrier ribs for PDPs having high resolution and high precision can be made by exposure to light only once. Barrier ribs having higher reflective indices than conventional barrier ribs can also be obtained.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: January 10, 2012
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Jong-Seo Choi, Kwi-Seok Choi, Dong-Hyun Kang, Seung-Han Lee, Myung-Duk Lim, Hoon-Bae Lee, Bum-Jin Chang, Min-Jae Lee
  • Patent number: 8057979
    Abstract: A photosensitive paste composition for forming a black layer on top of plasma display panel (PDP) barrier ribs includes black pigment nanoparticles for contrast enhancement and a cyclic acid anhydride for fundamentally preventing the gelation of the paste composition. The photosensitive paste composition prevents electrical or optical crosstalk between adjacent discharge cells to achieve better contrast. The fundamental prevention of the gelation of the paste composition permits the paste composition to have good storage stability.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: November 15, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Patent number: 8029970
    Abstract: The composition for a barrier rib of the present invention includes a metal oxide sol and a glass frit. The metal oxide sol includes a photoacid generator, and the difference between the average refractive index (N1) of the metal oxide sol and average refractive index (N2) of the glass frit satisfies the following Equation 1: ?0.2?N1?N2?0.2.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: October 4, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Jong-Seo Choi, Kwi-Seok Choi, Dong-Hyun Kang, Myung-Duk Lim, Hoon-Bae Lee, Bum-Jin Chang
  • Publication number: 20110152061
    Abstract: A photosensitive paste composition for forming barrier ribs of a plasma display panel (PDP). The photosensitive paste composition includes an inorganic material including SiO2 and at least one of B2O3 and P2O5, and an organic material containing photosensitive components, wherein the total content of SiO2 and B2O3 is about 50 wt % to about 80 wt % with respect to 100 wt % of the inorganic material, or a content of SiO2 and P2O5 is about 50 wt % to about 80 wt % with respect to 100 wt % of the inorganic material.
    Type: Application
    Filed: December 2, 2010
    Publication date: June 23, 2011
    Applicant: SAMSUNG SDI., LTD.
    Inventors: Beom-Wook Lee, Jong-Seo Choi
  • Publication number: 20100060162
    Abstract: Provided is a material for forming barrier ribs, barrier ribs formed using the material, and a PDP comprising the barrier ribs. The material is photosensitive and made from a glass frit composition which is environmentally friendly (no Pb or Bi) and also prevents light scattering. The primary component of the glass frit is P2O5. Other components can be included in the barrier rib forming material such as an alkali-based metal oxide, B2O3, SiO2, etc. The barrier rib formed of the glass frit can additionally include a photosensitive organic material which may include a crosslinking agent, a polyfunctional monomer or oligomer, a photo initiator, a binder and an additive. A method of forming the barrier ribs comprising the glass frit composition is also provided as is a PDP including such barrier ribs.
    Type: Application
    Filed: September 10, 2009
    Publication date: March 11, 2010
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Jong-Seo Choi, Kwi-Seok Choi, Myung-Duk Lim, Bum-Jin Chang, Jong-Hee Hwong
  • Publication number: 20090283725
    Abstract: A photosensitive paste composition is provided. The photosensitive paste composition contains conductive powder, an inorganic binder, and an organic vehicle, wherein, assuming that 10% by weight of the particles consisting the conductive powder have a diameter less than D10 and 90% by weight of the particles have a diameter greater than D90, a difference between D10 and D90 is about 2.0 ?m or less. The photosensitive paste composition solves problems arising with use of conductive powder having a broad particle diameter distribution and satisfy requirements for an electrode's main characteristics, such as resistance, the anti-sanding property of terminal portions, and withstanding voltage characteristic. In addition, a PDP electrode using the photosensitive paste composition and a PDP including the PDP electrode can be manufactured.
    Type: Application
    Filed: July 30, 2009
    Publication date: November 19, 2009
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Patent number: 7582404
    Abstract: A photosensitive paste composition is provided. The photosensitive paste composition contains conductive powder, an inorganic binder, and an organic vehicle, wherein, assuming that 10% by weight of the particles consisting the conductive powder have a diameter less than D10 and 90% by weight of the particles have a diameter greater than D90, a difference between D10 and D90 is about 2.0 ?m or less. The photosensitive paste composition solves problems arising with use of conductive powder having a broad particle diameter distribution and satisfy requirements for an electrode's main characteristics, such as resistance, the anti-sanding property of terminal portions, and withstanding voltage characteristic. In addition, a PDP electrode using the photosensitive paste composition and a PDP including the PDP electrode can be manufactured.
    Type: Grant
    Filed: June 22, 2005
    Date of Patent: September 1, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Publication number: 20090186187
    Abstract: A photosensitive paste composition includes: a fluoride sol dispersed in an organic material; and an inorganic material, wherein an average refractive index of the fluoride sol N1 and an average refractive index of the inorganic material N2 satisfy Mathematical Formula 1 below: ?0.2?N1—N2—0.2. ??Mathematical Formula 1 By using the photosensitive paste composition, a barrier rib pattern for a high-resolution and high-precision PDP can be prepared through a single light exposure and a PDP having high brightness can be manufactured since the barrier ribs have high reflectance compared to conventional barrier ribs.
    Type: Application
    Filed: January 5, 2009
    Publication date: July 23, 2009
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook LEE, Jong-Seo Choi, Kwi-Seok Choi, Dong-Hyun Kang, Myung-Duk Lim
  • Publication number: 20080303437
    Abstract: A method of manufacturing a lower panel for a plasma display panel using X-rays which includes preparing a base substrate; forming a barrier rib material layer on the base substrate; defining barrier rib patterns by scanning X-rays on the barrier rib material layer; and developing the barrier rib material layer to form barrier ribs. Fine-pitch patterning of the barrier ribs can be achieved with high precision by using X-rays.
    Type: Application
    Filed: October 16, 2007
    Publication date: December 11, 2008
    Applicant: Samsung SDI Co., Ltd.
    Inventors: DONG-YOL YANG, Seung-Min Ryu, Suk-Hee Park, Jong-seo Choi, Kwi-Seok Choi, Beom-wook Lee
  • Publication number: 20080290314
    Abstract: The composition for a barrier rib of the present invention includes a metal oxide sol and a glass frit. The metal oxide sol includes a photoacid generator, and the difference between the average refractive index (N1) of the metal oxide sol and average refractive index (N2) of the glass frit satisfies the following Equation 1: ?0.2?N1?N2?0.
    Type: Application
    Filed: May 24, 2007
    Publication date: November 27, 2008
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Beom-Wook Lee, Jong-Seo Choi, Kwi-Seok Choi, Dong-Hyun Kang, Myung-Duk Lim, Hoon-Bae Lee, Bum-Jin Chang
  • Patent number: 7442488
    Abstract: There is provided a positive type photosensitive paste composition for a plasma display panel (PDP) electrode, including a conductive powder, an inorganic binder, and a photosensitive vehicle. The photosensitive vehicle includes an organic binder represented by formula (1), a photoacid generator, a solvent, and other additives: where R1 is H or CH3; R2 is a saturated or unsaturated C1-C6 alkyl group or a C1-C6 group containing an ether group, a carbonyl group or an ester group; R3 is a group having a hydroxyl group; R4 is hydrogen or a group having a carboxylic group; and R5 is a protecting group. Further embodiments provide a film prepared with such a paste; as well as a PDP electrode prepared with such a paste and a PDP having one or more such electrodes.
    Type: Grant
    Filed: September 29, 2005
    Date of Patent: October 28, 2008
    Inventors: Beom-Wook Lee, Dong-Hee Han, Sang-Wook Sin, Jin-Hwan Jeon
  • Publication number: 20080238318
    Abstract: Photosensitive paste compositions, barrier ribs of plasma display panels (PDPs) prepared using the same, and PDPs including the barrier ribs are provided. The photosensitive paste composition includes an organic-inorganic complex sol and an inorganic material, wherein the average refractive index (N1) of the organic-inorganic complex sol and the average refractive index (N2) of the inorganic material satisfy the equation ?0.2?N1?N2?0.2. Using the photosensitive paste composition, patterned barrier ribs for PDPs having high resolution and high precision can be made by exposure to light only once. Barrier ribs having higher reflective indices than conventional barrier ribs can also be obtained.
    Type: Application
    Filed: March 25, 2008
    Publication date: October 2, 2008
    Inventors: Beom-Wook Lee, Jong-Seo Choi, Kwi-Seok Choi, Dong-Hyun Kang, Seung-Han Lee, Myung-Duk Lim, Hoon-Bae Lee, Bum-Jin Chang, Min-Jae Lee
  • Publication number: 20080227033
    Abstract: Photosensitive paste compositions, plasma display panels (PDP) manufactured using the same, and methods of manufacturing the PDPs are provided. In one embodiment, a photosensitive paste composition includes an inorganic component and an organic component, where the organic component includes a cross-linking agent including a monoacrylate, where the monoacrylate is present in an amount ranging from about 50 to about 100 weight % with respect to a total weight of the cross-linking agent. In another embodiment, a PDP is manufactured using the photosensitive paste composition. In yet another embodiment, a method of manufacturing the PDP is provided. The inventive photosensitive paste compositions can fundamentally prevent film twisting, disconnection or detachment by minimizing stress on the patterned film during sintering, thereby minimizing modifications due to shrinkage.
    Type: Application
    Filed: March 12, 2008
    Publication date: September 18, 2008
    Inventors: Beom-Wook Lee, Jong-Seo Choi, Kwi-Seok Choi, Myung-Duk Lim, Hoon-Bae Lee, Bum-Jin Chang
  • Publication number: 20080220368
    Abstract: Photosensitive paste compositions, barrier ribs of plasma display panels (PDPs) including the same, and PDPs including the barrier ribs are provided. More particularly, a photosensitive paste composition includes an organic component and an inorganic component, where the organic component and the inorganic component each have an average refractive index of less than 1.5. The organic component used in the photosensitive paste composition is not harmful to the human body, is inexpensive, is generally easily obtained, and succumbs readily to thermal decomposition. Accordingly, using such an organic component, barrier ribs of PDPs having high resolution and high compactness by exposure to light only once can be prepared.
    Type: Application
    Filed: February 28, 2008
    Publication date: September 11, 2008
    Inventor: Beom-Wook Lee
  • Publication number: 20080157667
    Abstract: A method of manufacturing a soft mold to shape a barrier rib, a method of manufacturing a barrier rib and a lower panel, and a plasma display panel (PDP) including the same. The method of manufacturing the soft mold includes: providing a metal mold on which a barrier rib pattern is formed, by alternating channels and projections; disposing a polymer sheet opposite the metal mold; pressing the metal mold into the polymer sheet, to form the soft mold, which has an inverted image of the barrier rib pattern formed on the surface thereof; and releasing the soft mold from the metal mold.
    Type: Application
    Filed: December 27, 2007
    Publication date: July 3, 2008
    Applicant: Samsung SDI Co., Ltd.
    Inventors: DONG-YOL YANG, Seung-Min Ryu, Suk-Hea Park, Jong-Seo Choi, Kwi-Seok Choi, Beom-Wook Lee