Patents Represented by Attorney Lee & Morse, P.C.
  • Patent number: 7508137
    Abstract: A plasma display panel, and a method of manufacturing the same, including a substrate, barrier ribs formed on the substrate and defining discharge cells and non-discharge cells, the barrier ribs including first, second and third barrier rib members, wherein the discharge cells are defined by the first and second barrier rib members, the second barrier rib members perpendicular to and intersecting the first barrier rib members, the non-discharge cells are defined by the second and third barrier rib members, wherein the third barrier rib members are located between columns of the discharge cells and are disposed parallel to the first barrier rib members, and a cross-sectional area of at least one third barrier rib member is greater at a bottom portion of the at least one third barrier rib member than at a top portion thereof.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: March 24, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Seong-Hun Choo
  • Patent number: 7505071
    Abstract: A horizontal charge coupled device (CCD) driving circuit, a solid-state image-sensing device having the same, and a method of driving the solid-state image-sensing device, transmits image signals using horizontal driving signals having a middle voltage during rising and falling of the horizontal signals. The middle voltage of the horizontal driving signals is generated when an equipotential switch is turned “on” while the output nodes of buffer circuits are in a floating state.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: March 17, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-hyun Nam, Jae-seob Roh
  • Patent number: 7501759
    Abstract: A plasma display panel including a front substrate, a rear substrate, a display area, a non-display area including a dummy region, and a plurality of rib members is provided. The dummy region includes a first barrier rib region extending along a first direction and including portions of at least some of the plurality of barrier rib members, a second barrier rib region extending along a second direction and including portions of at least some of the plurality of barrier rib members, and at least one sector region. The sector region includes at least one sector barrier rib member extending along a direction other than the first direction and the second direction and connecting at least one portion of at least one of the barrier rib portions in the first barrier rib region to at least one of the barrier rib portions in the second barrier rib region.
    Type: Grant
    Filed: December 12, 2005
    Date of Patent: March 10, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong-Hoon Han, Young-Cheul Kang, Yoon-Soo Han, Jung-Hwan Park, Dong-Min Kim
  • Patent number: 7501870
    Abstract: A duty cycle correction circuit may include an error corrector adapted to correct duty cycles of first differential analog clock signals input to a pair of input terminals based on duty cycle correction signals input to a pair of control terminals and to output second differential analog clock signals having corrected duty cycles through a pair of output terminals, an analog to digital buffer adapted to convert the second differential analog clock signals to differential digital clock signals, a duty error detector adapted to detect duty cycles of the differential digital clock signals and to output a N bit digital signal, and a duty error correction signal generator adapted to output differential control current signals having current gains controlled based on the second differential analog clock signals and the N bit digital signal to the pair of control terminals as the duty cycle correction signals.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: March 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun Su Choi, Chan Kyung Kim
  • Patent number: 7501307
    Abstract: In a semiconductor memory device and a method of fabricating the same, a semiconductor memory device having a transistor and a data storing portion includes a heating portion interposed between the transistor and the data storing portion and a metal interconnection layer connected to the data storing portion, wherein the data storing portion includes a chalcogenide material layer, which undergoes a phase change due to a heating of the heating portion, for storing data therein.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: March 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-hyun Lee, Young-soo Park, Won-tae Lee
  • Patent number: 7501682
    Abstract: A nonvolatile memory device may include a substrate, a semiconductor layer on the substrate, and including a source region, a drain region having a relatively shallower impurity injection region than that of the source region and a channel region disposed between the source and drain regions, a first gate insulating layer on the semiconductor layer, and having regions corresponding to the source and drain regions thinner than a region corresponding to the channel region, and a first gate electrode, a second gate insulating layer, and a second gate electrode which are disposed on the first gate insulating layer. An organic light emitting display device (OLED) may include the nonvolatile memory device.
    Type: Grant
    Filed: April 23, 2007
    Date of Patent: March 10, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dae-Chul Choi, Byoung-Deog Choi, Hye-Hyang Park, Ju-Yeun Jung, Hyun-Sun Park
  • Patent number: 7501191
    Abstract: An amorphous dielectric film for use in a semiconductor device, such as a DRAM, and a method of manufacturing the amorphous dielectric film, includes bismuth (Bi), titanium (Ti), silicon (Si), and oxide (O). The amorphous dielectric film may have a dielectric constant of approximately 60 or higher. The amorphous dielectric film may be expressed by the chemical formula Bi1-x-yTixSiyOz, where 0.2<x<0.5, 0<y<0.5, and 1.5 <z<2.
    Type: Grant
    Filed: September 30, 2004
    Date of Patent: March 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo-sep Min, Young-jin Cho
  • Patent number: 7497831
    Abstract: A blood pressure measuring system and method are provided. The blood pressure measuring system includes a first sensing unit sensing a patient's blood pressure, a second sensing unit sensing a patient's blood flow, a pressure control unit controlling a pressure applied to the patient by the first sensing unit, and an operation and control unit controlling an operation of the pressure control unit and calculating a patient's blood pressure by analyzing and comparing signals output from the first and second sensing units.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: March 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-youn Lee, Hye-jin Jung, Kyung-ho Kim
  • Patent number: 7497559
    Abstract: A piezoelectric inkjet printhead capable of reducing a crosstalk and a method of manufacturing the same are provided. The inkjet printhead includes an upper substrate, an intermediate substrate, and a lower substrate that are sequentially stacked, wherein the upper substrate includes piezoelectric actuators on an upper surface of the upper substrate and pressure chambers and first restrictors on a lower surface of the upper substrate, the first restrictors extending from the pressure chambers and having a width smaller than a width of the pressure chambers, the intermediate substrate includes dampers passing therethrough, the dampers corresponding to the pressure chambers and second restrictors extending between the first restrictors and a manifold formed from a lower surface of the intermediate substrate and the lower substrate includes nozzles passing therethrough, the nozzles corresponding to the dampers.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: March 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Su-ho Shin, Sung-gyu Kang, Jae-woo Chung, You-seop Lee, Chang-hoon Jung
  • Patent number: 7494208
    Abstract: An inkjet printhead having a cantilever actuator, the inkjet printhead including a plurality of ink chambers containing ink to be ejected; a manifold containing ink to be supplied to the plurality of ink chambers; a plurality of restrictors supplying ink to the plurality of ink chambers from the manifold; a plurality of nozzles ejecting ink from the plurality of ink chambers; and a plurality of cantilever actuators each installed in each of the plurality of ink chambers and having one fixed end and the other deflectable end, such that pressure for ejection of ink is applied due to the deflection of the other end of the cantilever actuator to the ink inside the ink chamber. The cantilever actuator may be made of a bimorph element, eject ink through the nozzle from the ink chamber, and also prevent backflow of ink from the ink chamber to the restrictor by virtue of the deflection of the other end thereof.
    Type: Grant
    Filed: October 28, 2005
    Date of Patent: February 24, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kye-si Kwon, Gee-young Sung, Seong-jin Kim, Seung-jo Shin, Mi-jeong Song
  • Patent number: 7495587
    Abstract: A method and apparatus for reducing power consumption needed to refresh a memory may receive data having been encoded using data bus inversion (DBI), the DBI data having a first delta between a number of zeros for different cases between zero and a DBI maximum, balance code the DBI data to balance the number of zeros across the DBI data, and output data having a number of zeros for different cases between a minimum number greater than zero and less than or equal to the DBI maximum and a maximum number equal to the minimum number plus a second delta, the second delta being less than the first delta.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: February 24, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Seung-Jun Bae
  • Patent number: 7495716
    Abstract: A flat panel display includes a substrate having a pixel region and a non-pixel region, the substrate having a transistor in the pixel region and a pad in the non-pixel region, a first planarizing layer in the pixel region covering the transistor and including a via hole exposing a portion of the transistor, and a second planarizing layer in the non-pixel region and having a pad contact hole opening the pad, the second planarizing layer being thinner than the first planarizing layer.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: February 24, 2009
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Tae-Wook Kang, Chang-Yong Jung
  • Patent number: 7492089
    Abstract: An electron emission type backlight unit which may include a front substrate and a rear substrate, a gate electrode, an insulating unit disposed on the gate electrode, a cathode disposed on the insulating unit that intersects the gate electrode, a first opening formed in the cathode to expose the gate electrode, a second opening formed in the insulating unit to expose the gate electrode, in which the second opening connects to the first opening, an electron emitting unit disposed on the cathode that exposes the gate electrode, in which the electron emitting unit is formed to trace along a boundary of the cathode that defines the first opening, an auxiliary gate electrode disposed on the gate electrode, in which the auxiliary gate electrode passes through the first opening and the second opening; and an anode and a light emitting unit.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: February 17, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Young-Suk Cho, Jae-Woo Bae, Dong-Hyun Kang, Ui-Song Do, Kyu-Nam Joo
  • Patent number: 7487590
    Abstract: A monolithic ink-jet printhead includes a substrate having a lower ink chamber formed on an upper surface thereof, a manifold for supplying ink to the lower ink chamber formed on a bottom surface thereof, and an ink channel providing communication therebetween; a nozzle plate having a plurality of passivation layers and a metal layer sequentially stacked on the substrate, the nozzle plate having an upper ink chamber formed therein on a bottom surface of the metal layer, a nozzle in communication with the upper ink chamber formed on an upper surface of the metal layer, and a connection hole providing communication between the upper ink chamber and the lower ink chamber; a heater located between the upper ink chamber and the lower ink chamber for heating ink contained in the lower and upper ink chambers; and a conductor electrically connected to the heater to apply a current to the heater.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: February 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hoon Song, Yong-soo Oh, Jun-hyub Park, Keon Kuk, Chang-seung Lee, Young-jae Kim, Ji-hyuk Lim
  • Patent number: 7489080
    Abstract: A direct current plasma display panel (DC-PDP) includes a first substrate and a second substrate facing each other, discharge cells between the first substrate and the second substrate, first and second electrodes disposed in each of the discharge cells, first conductive silicon layers contacting the first electrodes, first oxidized porous silicon layers contacting the first conductive silicon layers, second conductive silicon layers contacting the second electrodes, second oxidized porous silicon layers contacting the second conductive silicon layers, phosphor layers arranged in the discharge cells, and a discharge gas disposed in the discharge cells.
    Type: Grant
    Filed: August 29, 2006
    Date of Patent: February 10, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Gi-Young Kim, Hyoung-Bin Park, Sang-Hun Jang, Seung-Hyun Son, Sung-Soo Kim, Ho-Nyeon Lee
  • Patent number: 7489608
    Abstract: Wobble detection for detecting data in a wobble signal modulated with a base signal includes sampling the wobble signal at a substantial maximum and a substantial minimum of a base signal within a wobble period, producing a value of the wobble signal at the substantial maximum of the base signal with an unchanged sign and a value of the wobble signal at the substantial minimum of the base signal with a reversed sign, determining a sum of the values within the wobble period, and decoding the sum to detect data.
    Type: Grant
    Filed: October 17, 2005
    Date of Patent: February 10, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Akio Tanaka
  • Patent number: 7485554
    Abstract: A method of selectively heating a predetermined region of a semiconductor substrate includes providing a semiconductor substrate, selectively focusing a free carrier generation light on only a predetermined region of the semiconductor substrate, irradiating the free carrier generation light on the predetermined region of the semiconductor substrate to increase a free carrier concentration within the predetermined region of the semiconductor substrate, wherein the free carrier generation light causes the predetermined region to increase in temperature by less than a temperature necessary to change the solid phase of the predetermined region, and irradiating the semiconductor substrate with a heating light to selectively heat the predetermined region of the semiconductor substrate.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: February 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gyoung Ho Buh, Ji-Sang Yahng, Yu Gyun Shin, Guk-Hyon Yon, Sangjin Hyun
  • Patent number: 7485407
    Abstract: Disclosed are a siloxane compound, a photoresist composition using the same, and a method of forming a pattern, wherein the siloxane compound is having a general formula: wherein R1 is a tertiary butyl group or a 1-(tert-butoxy)ethyl group, and R2 and R3 is each independently a lower alkyl group having 1 to 4 carbon atoms.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: February 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyo-Jin Yun, Jae-Ho Kim, Young-Ho Kim, Boo-Deuk Kim, Do-Young Kim
  • Patent number: 7484833
    Abstract: In a droplet ejector and an ink-jet printhead using the same, the droplet ejector includes a fluid path through which a fluid moves, a nozzle being formed on one end of the fluid path, a volumetric structure formed in the fluid path, the volumetric structure being sensitive to an external stimulus and being capable of varying in size to eject a droplet of the fluid through the nozzle, and a stimulus generator, which applies a stimulus to the volumetric structure to vary a size of the volumetric structure.
    Type: Grant
    Filed: January 21, 2004
    Date of Patent: February 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Min-soo Kim, Suk-han Lee, Yong-soo Oh, Keon Kuk, Seung-joo Shin
  • Patent number: 7486014
    Abstract: An electron emission device includes a first electrode disposed on a substrate, an electron emission region electrically coupled to the first electrode, and a second electrode spaced apart from the first electrode, wherein the first electrode includes an opening and an extension that projects into the opening, and the electron emission region is electrically coupled to the first electrode by the extension.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: February 3, 2009
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong-Yeon Hwang, Seung-Hyun Lee