Patents Represented by Attorney Lee & Morse, P.C.

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  • Fuel composition for fuel cell and fuel cell using the same
    Patent number: 7976993
    Abstract: Provided is a fuel composition for a fuel cell including a first fuel which generates protons and electrons, and hydrogen gas. Also, provided is a fuel cell using the fuel composition. Using the fuel composition for a fuel cell, catalyst activation can be increased. Also, a fuel cell having high efficiency and excellent performance can be prepared using the fuel composition.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: July 12, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seol-ah Lee, Hyuk Chang, Chan-ho Pak, Dae-jong Yoo
  • Emission driver, emission control signal driving method and electroluminescent display including such an emission driver
    Patent number: 7978160
    Abstract: An emission driver may include a first signal processor adapted to receive a clock signal, an input signal and an inverse input signal, and to generate a first output signal, a second signal processor adapted to receive the first output signal, an inverse clock signal and negative feedback signals, and to generate a second output signal, a third signal processor adapted to receive the second output signal and the input signal, and to generate a third output signal that is an inverse signal to the second output signal, and a fourth signal processor adapted to receive the third output signal, and to generate a fourth output signal that is an inverse of the third output signal based on the third output signal, wherein the negative feedback signals include the third output signal and the fourth output signal.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: July 12, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Bo Yong Chung
  • Fuse circuit and semiconductor memory device including the same
    Patent number: 7978549
    Abstract: The fuse circuit includes a first program unit, a second program unit and a sensing circuit. The first and second program units are programmed simultaneously. The first program unit is programmed in a program mode in response to a fuse program signal and outputs a first signal in a sensing mode, such that the first signal increases when the first program unit is programmed. The second program unit is programmed in the program mode in response to the program signal and outputs a second signal in the sensing mode, such that the second signal decreases when the second program unit is programmed. The sensing circuit generates a sensing output signal in response to the first and second signals, such that the sensing output signal indicates whether or not the program units are programmed.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: July 12, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: You-Chul Jeong
  • Non-volatile memory device and method of manufacturing the same
    Patent number: 7972923
    Abstract: A semiconductor device may include a tunnel insulating layer disposed on an active region of a substrate, field insulating patterns disposed in surface portions of the substrate to define the active region, each of the field insulating patterns having an upper recess formed at an upper surface portion thereof, a stacked structure disposed on the tunnel insulating layer, and impurity diffusion regions disposed at surface portions of the active region adjacent to the stacked structure.
    Type: Grant
    Filed: November 29, 2006
    Date of Patent: July 5, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hyun Park, Jung-Geun Jee, Hyoeng-Ki Kim, Yong-Woo Hyung, Won-Jun Jang
  • Power supply for plasma display panel, plasma display device including the same, and associated methods
    Patent number: 7973492
    Abstract: A power supply of a plasma display device includes a power source unit configured to convert a direct current source into an alternating current source, a transformer including a primary side winding electrically coupled to the power source unit and a secondary side winding having a first winding and a second winding, a sustain power supply electrically coupled to the first winding of the secondary side of the transformer, the sustain power supply configured to output a first voltage to a first voltage output terminal, and an address power supply electrically coupled to the second winding of the secondary side and serially connected to the sustain power supply, the address power supply configured to output a second voltage to a second voltage output terminal.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: July 5, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Kwanil Oh
  • Electroluminescent display including conductive film coupled to connector
    Patent number: 7973474
    Abstract: An electroluminescent (EL) display includes a substrate, an EL pixel array with a light emitting diode (LED) on the substrate, a connector electrically coupled to the EL pixel array, an encapsulant on the substrate and surrounding the EL pixel array, an encapsulation substrate attached to the substrate, the EL pixel array enclosed between the encapsulation substrate and the substrate, and a conductive film electrically coupled to the connector, the conductive film being in communication either with the substrate or the encapsulation substrate.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: July 5, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Mihae Kim, Woongsik Choi
  • Test circuits of semiconductor memory device for multi-chip testing and method for testing multi chips
    Patent number: 7971117
    Abstract: A test circuit of a semiconductor memory device for performing a test in cooperation with a tester having a plurality of input/output pins connected to a plurality of input/output lines. The test circuit may include a first comparing unit adapted to compare, on a bit-by-bit basis, read data that may be read from memory cells corresponding to an address with expected data, and to output the comparison results as first comparison signals, a second comparing unit adapted to perform a logic operation on the first comparison signals and to generate a flag signal when determining a failure of at least one of the memory cells on the basis of the operation result, and a storage unit adapted to store the first comparison signals in response to the flag signal.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: June 28, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byong-Kwon Lee, Young-Dae Lee, Chang-Sik Kim, Soo-Hwan Kim
  • Clock skew controller and integrated circuit including the same
    Patent number: 7971088
    Abstract: A clock skew controller for adjusting a skew between a first clock, which is input to a first clock mesh, and a second clock mesh input to a second clock mesh, includes a pulse generator adapted to output a pulse signal corresponding to a delay time between a first output clock output from the first clock mesh and a second output clock output from the second clock mesh, a pulse width detector adapted to generate a digital signal corresponding to a pulse width of the pulse signal, and a clock delay adjuster adapted to delay one of the first and second clocks by a time corresponding to the digital signal.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: June 28, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gun-Ok Jung, Chung-Hee Kim
  • Thin film transistor, organic light emitting display device including the same, and method of manufacturing the organic light emitting display device
    Patent number: 7968870
    Abstract: A thin film transistor, e.g., for use in an organic light emitting display, may include: a gate insulating layer disposed on a gate electrode located on a substrate; a semiconductor layer, disposed on the gate insulating layer; and a planarization layer disposed on the gate insulating layer, the source and drain electrodes, and the channel area, and having openings exposing parts of the first source and drain areas and the source and drain electrodes, respectively. The semiconductor layer may include: a channel area corresponding to the gate electrode; first source and drain areas doped with an impurity outside the channel area; second source and drain areas, including a metal, outside the first source and drain areas; and source and drain electrodes disposed on the second source and drain areas and exposing the first source and drain areas. A pixel electrode may be disposed in one of the openings.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: June 28, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Chul-Kyu Kang, Jong-Hyun Choi, Woo-Sik Jun, Hee-Chul Jeon
  • Backlight driving system for a liquid crystal display device
    Patent number: 7969406
    Abstract: A backlight driving system for a backlight unit for a liquid crystal display device using a field sequential driving scheme, the backlight unit including a plurality of first color (C1), second color (C2), and third color (C1) organic light emitting diodes (OLEDs), a first switch unit including first, second and third color switches, the first switch unit adapted to supply one of a first voltage and a ground voltage to cathodes of respective C1, C2 and C3 OLEDs, and a light source controller adapted to supply independent first, second and third color second voltages to anodes of respective C1, C2 and C3 OLEDs.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: June 28, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Jung Kook Park
  • Methods of manufacturing semiconductor memory devices
    Patent number: 7968407
    Abstract: A method of manufacturing a semiconductor memory device, the method including forming a tunnel insulation layer on a substrate, forming a preliminary charge trapping layer on the tunnel insulation layer, forming an etch stop layer on the preliminary charge trapping layer, wherein a portion of the preliminary charge trapping layer is not covered by the etch stop layer, removing the exposed portion of the preliminary charge trapping layer to form a charge trapping layer having a uniform thickness, forming a dielectric layer on the charge trapping layer, and forming a gate electrode on the dielectric layer.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: June 28, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Albert Fayrushin
  • Method of forming pattern structure
    Patent number: 7968454
    Abstract: A method of forming a pattern structure includes forming a thin film pattern on a substrate, the thin film pattern including depression portions with first bottom widths, forming a protection layer on the thin film pattern by implanting ions into the thin film pattern, and etching a lower portion of the thin film pattern selectively using the protection layer as a mask to increase the first bottom widths of the depression portions into second bottom widths.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: June 28, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Imsoo Park, Kuntack Lee
  • Light guide panel with curved wedge-shape prisms, and display and methods including the same
    Patent number: 7967494
    Abstract: A light guide panel includes a lateral side configured to transmit light to an interior of the light guide panel, a rear side configured to reflect light to the interior of the light guide panel, and a front side configured to emit light from the interior of the light guide panel, wherein the rear side includes a repeating pattern of regions, each region having a plurality of wedge-shaped rear prisms disposed therein, and the wedge-shaped rear prisms include at least one of a side having a predetermined radius of curvature and a side having a point of inflection.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: June 28, 2011
    Assignee: Cheil Industries, Inc.
    Inventors: Chul Goo Chi, Sung Hyun Joo, O Yong Jeong, Seong Hoon Lee
  • Organic light emitting display
    Patent number: 7965272
    Abstract: An organic light emitting display operates on at least two different selection signals, which may perform a bi-directional scan that allows a double-sided screen to be displayed. The organic light emitting display includes a data line, first and second scan lines, a bi-directional data driver for applying a data signal in both directions, a first scan driver adapted to receive a forward or reverse signal and to selectively output a first selection signal having a forward or reverse direction to the first scan line in accordance with the forward or reverse signal, and a second scan driver adapted to receive the first selection signal and to selectively output a second selection signal of a forward or reverse direction to the second scan line in accordance with the forward or reverse signal.
    Type: Grant
    Filed: August 20, 2007
    Date of Patent: June 21, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Ki Myeong Eom
  • Electron emission device and method of manufacturing the same
    Patent number: 7965024
    Abstract: An electron emission device includes a substrate, a first electrode on the substrate, a second electrode electrically insulated from the first electrode, a first insulating layer between the first electrode and the second electrode, an electron emission source hole in the first insulating layer and the second electrode to expose the first electrode, and an electron emission source having a first electron emission material layer on the first electrode in the electron emission source hole and a second electron emission material layer on the first electron emission material layer.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: June 21, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Kwang-Seok Jeong
  • Metal interconnection of a semiconductor device and method of manufacturing the same
    Patent number: 7960273
    Abstract: A method of manufacturing a metal interconnection of a semiconductor device includes forming a base layer with at least one groove, the at least one groove having an open upper portion, forming a first metal layer in the at least one groove, forming a seed metal layer on the first metal layer in the at least one groove, the seed metal layer being only on a bottom surface of the at least one groove, and forming a metal pattern grown from the seed metal layer to fill the at least one grove.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: June 14, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyu-Ha Lee, Cha-Je Jo, Jeong-Woo Park
  • Organic light emitting diode display and method of manufacturing the same
    Patent number: 7960902
    Abstract: An OLED display includes a first substrate and a second substrate adhered to the first substrate wherein a depressed receiving region and a coupling region formed around a receiving region are provided at an opposite surface to a surface facing the first substrate, a first optical film received in the depressed receiving region of the second substrate, a second optical film covering the first optical film and is disposed on the second substrate, and a coupling region adhesive layer is disposed between the second optical film and the coupling region of the second substrate.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: June 14, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Eun-Ah Kim
  • Optical chassis, camera having an optical chassis, and associated methods
    Patent number: 7961989
    Abstract: A camera including a mount substrate, a detector on a first surface of the mount substrate, a spacer on the mount substrate, the spacer including a hole exposing the detector, a cover on the spacer, the cover covering the hole, the mount substrate, the spacer and the cover together sealing the detector, the cover having a planar surface facing the detector, and an external electrical interconnection for the detector provided outside the sealing, the external electrical interconnection being on a first surface and a second surface, different from the first surface, of the mount substrate, the external electrical interconnection adapted to connect the detector to an electrical contact pad.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: June 14, 2011
    Assignee: Tessera North America, Inc.
    Inventors: Alan D. Kathman, James E. Morris, John Barnett Hammond, Michael R. Feldman
  • Semiconductor device including delay locked loop having periodically activated replica path
    Patent number: 7961018
    Abstract: A delay locked loop adapted to delay an external clock signal and to output an internal clock signal, the delay locked loop including a renewal signal generator that outputs a renewal signal that is selectively activated and inactivated, a replica path that is active when the renewal signal is activated and is inactive when the renewal signal is inactivated, the replica path delaying the internal clock signal by a delay time of a normal path of a semiconductor device to output a replica internal clock signal when the renewal signal is activated, a control signal generator adapted to vary and to output a delay control signal according to a phase difference between the external and the replica internal clock signals, and a variable delay circuit adapted to delay the external clock signal by a time corresponding to the delay control signal and to output the internal clock signal.
    Type: Grant
    Filed: October 20, 2009
    Date of Patent: June 14, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seok-Hun Hyun, Kye-Hyun Kyung, Jun-Ho Shin
  • Organic light emitting display device and method for manufacturing the same
    Patent number: 7960910
    Abstract: An organic light emitting display device, includes a substrate, at least one organic light emitting diode on the substrate, a functional layer including an opaque material and a light transmitting inorganic material, and an encapsulation layer on the organic light emitting diode, the encapsulation layer including at least one inorganic layer and at least one organic layer.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: June 14, 2011
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventor: Min Chul Suh