Patents by Inventor Woo-Jae Lee

Woo-Jae 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).

  • Patent number: 7993958
    Abstract: A method of manufacturing a thin film transistor array panel is provided, the method including: forming a gate line on a substrate; forming a gate insulating layer on the gate line; forming a data line and a drain electrode on the gate insulating layer; forming an organic semiconductor layer on the data line, the drain electrode and an exposed portion of the gate insulating layer between the data line and the drain electrode; forming a protective member fully covering the organic semiconductor layer; forming a passivation layer on the protective layer, the data line, and the drain electrode; forming a contact hole in the passivation layer to expose a portion of the drain electrode; and forming a pixel electrode on the passivation layer, the pixel electrode connected to the drain electrode through the contact hole.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: August 9, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Sung Kim, Woo-Jae Lee, Min-Seong Ryu
  • Publication number: 20110128253
    Abstract: A touch screen display device includes a common electrode, a base substrate disposed opposite to the common electrode, a display signal line formed on the base substrate, a plurality of pixel electrodes, a touch position sensing part formed between the base substrate and the pixel electrodes, the touch position sensing part sensing a change of electrostatic capacitance formed between the common electrode and the touch position sensing part, and a display layer disposed between the common electrode and the pixel electrodes. The display layer includes a plurality of micro capsules comprising positively charged pigment particles and negatively charged pigment particles.
    Type: Application
    Filed: February 10, 2011
    Publication date: June 2, 2011
    Inventors: SOO-WAN YOON, Cheol-Woo Park, Sung-Jin Kim, Nam-Seok Roh, Sang-il Kim, Woo-Jae Lee, Chong-Chul Chai
  • Publication number: 20110106963
    Abstract: A wireless communication device comprises a wireless communication interface, a user interface, and a processing system. The wireless communication interface is configured to receive streaming content from a communication system. The user interface is configured to display the streaming content in a plurality of windows. The processing system is configured to monitor a screen arrangement of the wireless communication device and determine an amount that each of the windows is covered, and if the amount exceeds a threshold value, to initiate a packet indicating a source packet address of the streaming content being displayed in the covered window. The wireless communication interface is further configured to transfer the packet to the communication system, wherein the communication system receives the packet, and in response, ceases transmission of the streaming content being displayed in the covered window to the wireless communication device.
    Type: Application
    Filed: November 3, 2009
    Publication date: May 5, 2011
    Applicant: Sprint Communications Company L.P.
    Inventors: Woo Jae Lee, Lyle T. Bertz, Cesar Perez, Jeffrey J. Klaumann
  • Publication number: 20110069262
    Abstract: A liquid crystal display according to exemplary embodiments of the present invention includes a first panel including a first lower substrate, a first lower electrode formed on the first lower substrate, a first upper substrate facing the first lower substrate, a first upper electrode formed on the first upper substrate, and a first cholesteric liquid crystal injected between the first lower electrode and the first upper electrode, wherein the first lower electrode includes carbon nanotubes. The liquid crystal display including the first lower electrode made of the carbon nanotubes without a light absorption layer provides a simple structure capable of realizing a black state.
    Type: Application
    Filed: April 26, 2010
    Publication date: March 24, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jong-Seong KIM, Nam-Seok Roh, Sang-II Kim, Woo-Jae Lee
  • Patent number: 7907983
    Abstract: A wireless handset has a relatively slidable first and second housing sections to provide an extended configuration for using a predetermined function of the wireless handset and a closed configuration for reducing a predetermined dimension of the wireless handset when not using the predetermined function. An electronically controllable lock is coupled to the first and second housing sections having an actuated position for inhibiting movement of the first and second housing sections out of the extended configuration and a deactuated position wherein movement of the first and second housing sections out of the extended configuration is not inhibited. A controller is coupled to the lock wherein the controller is programmed to determine whether the handset is in a predetermined operating mode and to place the lock into the actuated position when the handset is in the predetermined operating mode.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: March 15, 2011
    Assignee: Sprint Communications Company L.P.
    Inventor: Woo Jae Lee
  • Patent number: 7907126
    Abstract: A touch screen display device includes a common electrode, a base substrate disposed opposite to the common electrode, a display signal line formed on the base substrate, a plurality of pixel electrodes, a touch position sensing part formed between the base substrate and the pixel electrodes, the touch position sensing part sensing a change of electrostatic capacitance formed between the common electrode and the touch position sensing part, and a display layer disposed between the common electrode and the pixel electrodes. The display layer includes a plurality of micro capsules comprising positively charged pigment particles and negatively charged pigment particles.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: March 15, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Wan Yoon, Cheol-Woo Park, Sung-Jin Kim, Nam-Seok Roh, Sang-Il Kim, Woo-Jae Lee, Chong-Chul Chai
  • Publication number: 20110014736
    Abstract: An organic thin film transistor (“TFT”) array panel includes a substrate, a gate line extending in a first direction, a data line extending in a second direction, intersecting with and insulated from the gate line, a source electrode connected to the data line, a drain electrode facing the source electrode, a pixel electrode connected to the drain electrode, and an organic semiconductor connected to the source electrode and the drain electrode, the organic semiconductor made of an organic material with photosensitivity.
    Type: Application
    Filed: September 24, 2010
    Publication date: January 20, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Bo-Sung KIM, Mun-Pyo HONG, Woo-Jae LEE
  • Patent number: 7855828
    Abstract: An electrophoretic display device and a manufacturing method thereof are provided. The manufacturing method includes forming a first mother substrate that has a first thin structure, and forming a second mother substrate that has a second thin structure. The second mother substrate faces the first mother substrate. The manufacturing method also includes disposing an electrophoretic material on one of the first mother substrate and the second mother substrate, and enclosing a region on which the electrophoretic material is disposed with a sealant. The manufacturing method further includes combining the first mother substrate and the second mother substrate using pressure applied thereto to form an electrophoretic layer between the first mother substrate and the second mother substrate.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: December 21, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Woo-Jae Lee
  • Patent number: 7808696
    Abstract: An electrophoretic display device having improved frontal reflectance includes a first substrate including a first electrode of a transparent material having a first optical pattern, a second substrate opposing the first substrate and including a plurality of second electrodes, a spacer interposed between the first and second substrates to define a space between the first and second substrates, and a image display layer formed in the space formed by the first and second substrates and the spacer to display an image by an electric field generated between the first and second electrodes.
    Type: Grant
    Filed: July 26, 2007
    Date of Patent: October 5, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo Jae Lee, Seong Sik Shin, Nam Seok Roh, Keun Kyu Song
  • Publication number: 20100210055
    Abstract: A method of fabricating a flexible display device. The method includes forming an adhesive layer on a first carrier substrate; laminating a first flexible substrate on the adhesive layer, so that a first separation layer of the first flexible substrate is disposed on the adhesive layer; forming a thin film transistor array on the first flexible substrate; and separating the first carrier substrate from the flexible substrate by directing a laser beam onto the first separation layer. The first separation layer comprises silicon nitride (SiNx) with amounts of nitride A1 and amounts of silicon B1 satisfying 0.18?{A1/B1}?0.90.
    Type: Application
    Filed: May 3, 2010
    Publication date: August 19, 2010
    Inventors: Min-Ho Yoon, Nam-Seok Roh, Myung-Hwan Kim, San-Il Kim, Woo-Jae Lee, Jong-Seong Kim
  • Publication number: 20100101839
    Abstract: A display apparatus includes a first substrate including a plurality of pixels, a first electrode arranged on the first substrate, a second substrate facing the first substrate, and a second electrode arranged on the second substrate and spaced apart from the first electrode, the second electrode to form an electric field in cooperation with the first electrode. At least one of the first and second electrodes includes a transparent conductive nanomaterial having a transmittance of no less than 73% to no more than 100% and a sheet resistance of 0 ohms to 100 ohms.
    Type: Application
    Filed: October 21, 2009
    Publication date: April 29, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Neerja SARAN, Woo-Jae Lee
  • Publication number: 20100075124
    Abstract: Disclosed are an apparatus having a planarized substrate and a method of manufacturing the same. A coating layer is formed on a concave-convex substrate used for the apparatus and cured, thereby planarizing the concave-convex substrate.
    Type: Application
    Filed: March 6, 2009
    Publication date: March 25, 2010
    Inventors: Jong-Seong Kim, Min-Ho Yoon, Woo-Jae Lee
  • Publication number: 20100067097
    Abstract: In a substrate for a display apparatus, the substrate includes a base substrate and a shielding layer formed on a surface of the base substrate. The shielding layer has an energy bandgap corresponding to a reference wavelength of external light. Thus, the shielding layer blocks light having wavelength equal to or less than the reference wavelength, so that a wavelength band of light may be adjusted.
    Type: Application
    Filed: September 2, 2009
    Publication date: March 18, 2010
    Inventors: Seok-Joon HONG, Min-Ho YOON, Nam-Seok ROH, Woo-Jae LEE, Jong-Seong KIM
  • Publication number: 20100059757
    Abstract: An apparatus includes a substrate having a plurality of pixels, wherein the substrate comprises a concave-convex surface and a cured adhesive layer formed on the concave-convex surface.
    Type: Application
    Filed: March 4, 2009
    Publication date: March 11, 2010
    Inventors: Myung-Hwan KIM, Nam-Seok Roh, Woo-Jae Lee, Jung-Hun Noh
  • Patent number: 7671364
    Abstract: A thin film transistor (TFT) substrate comprises: a plastic insulation substrate; a first silicon nitride layer with a first refractive index, formed one surface of the plastic insulation substrate; and a TFT comprising a second silicon nitride layer formed with a second refractive index smaller than the first refractive index on the first silicon nitride layer. Thus, the present invention provides a TFT substrate wherein there is reduced a problem in that thin films are lifted from a plastic insulation substrate.
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: March 2, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-jae Lee, Mun-pyo Hong, Byoung-june Kim, Sung-hoon Yang
  • Publication number: 20100028551
    Abstract: Provided is a method for forming a high-hardness inorganic coating layer, which is capable of providing a coating layer having abrasion resistance, chemical resistance, contamination resistance, high hardness and non-flammability on a surface of a metal or non-ferrous metal substrate at room temperature. The method comprises cleaning a substrate surface to remove impurities; subjecting a substrate surface to ultrasonic cleaning; preparing a high-hardness inorganic coating composition; coating the substrate surface with the high-hardness inorganic coating composition to form a high-hardness coating layer; drying the high-hardness coating layer; and heating the substrate at a temperature of 250 to 27O0C to cure the high-hardness coating layer.
    Type: Application
    Filed: November 28, 2007
    Publication date: February 4, 2010
    Inventors: Woo-Jae Lee, Jeong-Hoon Lee, Woo-Chang Song
  • Publication number: 20100028656
    Abstract: A flexible substrate, a method of manufacturing a display substrate, and a method of manufacturing a display panel. A spinning device is filled with a source solution, and a carrier substrate is arranged such that the spinning device faces the carrier substrate. An electric field is formed between the spinning device and the carrier substrate by supplying a power to the spinning device and the carrier substrate, and a nano-fiber is formed by spraying the source solution toward the carrier substrate. A flexible substrate is formed on the carrier substrate by coating a polymer resin on the nano-fiber, a plurality of display cells are formed on the flexible substrate, and then a display substrate is formed by separating the carrier substrate from the flexible substrate.
    Type: Application
    Filed: March 24, 2009
    Publication date: February 4, 2010
    Inventors: MYUNG-HWAN KIM, Nam-Seok Roh, Sang-Il Kim, Woo-Jae Lee, Jung-Hun Noh
  • Patent number: 7656497
    Abstract: Provided is a substrate for a liquid crystal display which is resistant to deformation. The substrate includes a flexible substrate, first and second barrier layers respectively disposed on first and second surfaces of the flexible substrate, and first and second hard coating layers respectively disposed on the first and second barrier layers.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: February 2, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Woo-jae Lee, Hyung-il Jeon, Wang-su Hong, Jong-hyun Seo
  • Publication number: 20090322980
    Abstract: A display device includes first and second plastic substrates. The first substrate is directly bonded to the second plastic substrate by heat and pressure. When the display device is manufactured, a process of forming a coupling member interposed between the first and second plastic substrates may be omitted, thereby preventing deterioration of reliability of the display device due to the coupling member.
    Type: Application
    Filed: March 27, 2009
    Publication date: December 31, 2009
    Inventors: Song-Woo Whangbo, Woo-Jae Lee
  • Publication number: 20090309815
    Abstract: A flexible reflective display device capable of improving display quality by using a reflective electrode employing carbon nanotubes. In an exemplary embodiment, a flexible reflective display device includes a substrate, a thin film transistor, a first electrode, an electrophoretic layer and a second electrode layer. The thin film transistor is provided on the substrate. The first electrode includes carbon nanotubes and is electrically connected to the thin film transistor to display black color by reflecting external light.
    Type: Application
    Filed: March 10, 2009
    Publication date: December 17, 2009
    Inventors: Jong-Seong Kim, Woo-Jae Lee, Neerja Saran