Patents Represented by Attorney H.C. Park & Associates, PLC
  • Patent number: 8278818
    Abstract: An electroluminescent (EL) display device and a method of fabricating the same are provided. The device includes a substrate; a plurality of pixel electrodes disposed on the substrate; a pixel defining layer disposed on the pixel electrodes and having an opening part exposing a predetermined part of each of the pixel electrodes; and at least one barrier layer comprised in and/or on the pixel defining layer. In this device, the pixel defining layer includes at least one barrier layer in order to reduce the amount of outgas from the pixel defining layer and prevent degradation of an emission portion due to the outgas. Also, the pixel defining layer is formed to a sufficiently small thickness to facilitate a subsequent process using a laser induced thermal imaging (LITI) process.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: October 2, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Chang-Yong Jeong, Tae-Wook Kang, Chang-Soo Kim, Yu-Sung Cho
  • Patent number: 8281320
    Abstract: Disclosed is an event alerting system and method using dynamic local grouping for 1:N event alerting. The event alerting method for an event alerting server to transmit an event message to clients connected on a network includes a) receiving an event alerting request from clients having generated events, or generating an event by the event alerting server, b) grouping the clients according to areas with reference to a transmission distance to the respective clients according to a client list by the event alerting server, c) transmitting a client list of the grouped areas and an alerting data packet to a plurality of master clients selected by the grouping process, and d) transmitting a client list and an alerting data packet to a master client from the master client of an upper group up to the last layer established by performing the grouping process again.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: October 2, 2012
    Assignee: NHN Corporation
    Inventor: Sung-Wone Choi
  • Patent number: 8280447
    Abstract: A mobile terminal having a rear keypad is provided. The mobile terminal includes: a main body having a front surface and a rear surface opposite to the front surface; a touch screen disposed at the front surface of the main body; and a key input device having a keypad disposed at the rear surface of the main body and extendable outwards to sides of the touch screen.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyuk-Sung Kwon, Hong-Bae Kim, Jong-Cheon Wee, Sang-Hyuck Jung
  • Patent number: 8279333
    Abstract: The present invention discloses a camera door opening/shutting apparatus for a portable communication device. The apparatus includes a camera door disposed at a main body to expose or cover a camera lens included in the main body according to a sliding movement of the camera door, and a door sliding part disposed between the main body and the camera door to slidably couple the camera door with the main body.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: October 2, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Byung-Joon Lee
  • Patent number: 8278722
    Abstract: A flat panel display device is disclosed that may include a light-emitting layer portion including a first electrode, a second electrode, and an organic light-emitting layer between the first and second electrodes; at least two thin film transistors for controlling the light-emitting layer portion; a scanning signal line for supplying a scanning signal to the thin film transistor; a data signal line for supplying a data signal to the thin film transistor; a light emitting region having a common power supply line for supplying current to the light-emitting layer portion; and a peripheral common power supply line having at least one curved portion and connected to the common power supply line on a panel of a non-light emitting region except the light emitting region, wherein the common power supply line has a reduced wiring width while maintaining a constant wiring resistance to thereby reduce the total size of the display panel.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: October 2, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae-Wook Kang, Choong-Youl Im
  • Patent number: 8279234
    Abstract: The present invention relates to a gamma data generation method of a display device. In the method, gamma data including red gamma data, green gamma data, and blue gamma data is determined. A target luminance and a target color coordinate of a first reference gray are determined. Then, an image is displayed on a display device based on red, green, and blue input image signals for a first reference gray, and a first luminance and a first color coordinate from the image are measured. Then, it is determined whether a coordinate difference between the first color coordinate and the target color coordinate and a luminance difference between the first luminance and the target luminance are in an allowable error range or not.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: October 2, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyong-Tae Park, Hyo-Seok Kim
  • Patent number: 8281284
    Abstract: Disclosed is a method of editing text using a web-based text editor. The method comprises opening a document using a web-based text editor; receiving a first user input for selecting a block of text in the document; in reply to the first user input, inserting, into a source code of the document, a first temporary node before the selected block and a second temporary node after the selected block; receiving a second user input for applying an attribute to the selected block; and in reply to the second user input, adding an attribute node between the first and second temporary nodes of the source code so as to apply the attribute to at least part of the block of the document.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: October 2, 2012
    Assignee: NHN Corporation
    Inventor: Gun-Pyo Na
  • Patent number: 8280762
    Abstract: An integrated advertising management method and system with respect to an advertising campaign including a plurality of advertising domains is provided. The integrated advertising management method includes the steps of: generating an advertiser identification associated with an advertiser; in response to a request from the advertiser, setting up an advertisement management component associated with the advertiser identification; and allowing the advertiser to manage the plurality of advertisements included in the advertising campaign by using the advertisement management component such that the advertiser can set up and update at least one of a plurality of conditions for the plurality of advertisements included in the advertising campaign.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: October 2, 2012
    Assignee: NHN Business Platform Corporation
    Inventors: Ki Ho Song, Byounghak Kim, Minuk Kim
  • Patent number: 8279210
    Abstract: In a display apparatus and a method of driving the display apparatus, data voltages, which correspond to image data, are supplied to data lines to drive a plurality of pixels arranged in pixel areas defined by a plurality of gate lines and data lines, and gate signals are sequentially supplied to gate lines. The gate signals are maintained at a level of gate on voltage such that the data voltages of the data lines are supplied to corresponding pixels during a scan period, and alternately have a first voltage level and a second voltage level in synchronization with a common voltage during a non-scan period.
    Type: Grant
    Filed: February 4, 2009
    Date of Patent: October 2, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Jin Im, Moon-Chul Park, Sang-Jae Yeo
  • Patent number: 8278716
    Abstract: A thin film transistor, a method of fabricating the thin film transistor, and an organic light emitting diode (OLED) display device including the thin film transistor, the thin film transistor including: a substrate; a buffer layer formed on the substrate; a first semiconductor layer disposed on the buffer layer; a second semiconductor layer disposed on the first semiconductor layer, which is larger than the first semiconductor layer; a gate electrode insulated from the first semiconductor layer and the second semiconductor layer; a gate insulating layer to insulate the gate electrode from the first semiconductor layer and the second semiconductor layer; source and drain electrodes insulated from the gate electrode and connected to the second semiconductor layer; an insulating layer disposed on the source and drain electrodes, and an organic light emitting diode connected to one of the source and drain electrodes.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: October 2, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byoung-Keon Park, Dong-Hyun Lee, Kil-Won Lee, Tae-Hoon Yang, Jin-Wook Seo, Ki-Yong Lee, Ji-Su Ahn, Maxim Lisachenko
  • Patent number: 8278677
    Abstract: Disclosed is a light emitting diode lamp that has low resistance to heat emitted therefrom. The LED lamp may include a heat coupling member thermally coupling a top part of a first lead to a top part of a second lead. The LED lamp may further include one or more top parts for lowering thermal resistance of the LED lamp. This configuration facilitates heat transfer from the first lead having an LED chip mounted thereon to the top part of the second lead and/or to the other top parts, lowering resistance to heat emitted from the LED lamp.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: October 2, 2012
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventor: Zhbanov Alexander
  • Patent number: 8279744
    Abstract: In a Multiple-Input Multiple-Output (MIMO) wireless local area network (WLAN) system, a method is provided for selecting at least one antenna from a plurality of antennas and transmitting a data frame from a station to an access point via the selected antenna or antennas. A method for transmitting data from a plurality of stations to an access point in the MIMO WLAN system includes detecting a channel status of a channel from the access point to each transmitting antenna of the station, selecting at least one transmitting antenna from among the station's transmitting antennas based on the detected channel status, and transmitting a data frame from the station to the access point via the selected transmitting antenna or antennas.
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: October 2, 2012
    Assignee: Pantech Co., Ltd.
    Inventors: Dan Keun Sung, Bang Chul Jung
  • Patent number: 8279385
    Abstract: The present invention relates to a liquid crystal display. A liquid crystal display according to exemplary embodiments of the present invention includes a substrate, and a pixel electrode formed on the substrate and including a plurality of minute branches. The pixel electrode includes a first region and a second region where a first distance and a second distance are provided according to an interval between the respective neighboring minute branches, wherein the second distance that is larger than the first distance, and a third region is provided between the first region and the second region, and the position of the third region having an interval between the neighboring minute branches is gradually changed.
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: October 2, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoon-Jang Kim, Byoung-Sun Na, In-Ho Park, Kee-Bum Park, Yun-Jung Cho
  • Patent number: 8274094
    Abstract: The present invention relates to a gallium nitride (GaN) compound semiconductor light emitting element (LED) and a method of manufacturing the same. The present invention provides a vertical GaN LED capable of improving the characteristics of a horizontal LED by means of a metallic protective film layer and a metallic support layer. According to the present invention, a metallic protective film layer with a thickness of at least 10 microns may be formed on the lateral and/or bottom sides of the vertical GaN LED. Further, a metallic substrate may be used instead of a sapphire substrate. A metallic support layer may be formed to protect the element from being distorted or damaged. Furthermore, a P-type electrode may be partially formed on a P—GaN layer in a mesh form.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: September 25, 2012
    Assignees: Seoul Opto Device Co., Ltd., Postech Foundation
    Inventor: Jong Lam Lee
  • Patent number: 8273179
    Abstract: A deposition mask for depositing a thin film and a method for fabricating the same are disclosed. The deposition mask is configured to ensure a positioning accuracy and a pattern size accuracy and is suitable for use in manufacturing a high definition display device. The deposition mask includes at least one pattern mask having the same patterns as the patterns that are to be formed on a substrate and a frame mask which has at least one opening. The pattern mask is individually and non-detachably fixed to the frame mask at a region of the frame mask corresponding to the opening.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: September 25, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Iee-Gon Kim, Tae-Hyung Kim
  • Patent number: 8273638
    Abstract: Provided is a thin film transistor that may be manufactured using Metal Induced Crystallization (MIC) and method for fabricating the same. Also provided is an active matrix flat panel display using the thin film transistor, which may be created by forming a crystallization inducing metal layer below a buffer layer and diffusing the crystallization inducing metal layer. The thin film transistor may include a crystallization inducing metal layer formed on an insulating substrate, a buffer layer formed on the crystallization inducing metal layer, and an active layer formed on the buffer layer and including source/drain regions, and including polycrystalline silicon crystallized by the MIC process.
    Type: Grant
    Filed: January 2, 2008
    Date of Patent: September 25, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Bon Koo, Sang-Gul Lee
  • Patent number: 8275328
    Abstract: A mobile phone to transmit and receive a radio frequency signal through a first antenna and a second antenna in a radio communication system includes a first radio frequency signal receiving unit to convert the radio frequency signal received through the first antenna into a baseband signal to be transmitted to a controller, a second radio frequency signal receiving unit to convert the radio frequency signal received through the second antenna into a baseband signal to be transmitted to the controller, and a radio frequency signal transmitting unit to convert a baseband signal transmitted from the controller into a radio frequency signal, to distribute the radio frequency signal, and to selectively output the distributed radio frequency signal to the first antenna and the second antenna.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: September 25, 2012
    Assignees: Pantech Co., Ltd., SK Telecom Co., Ltd
    Inventors: In Kwang Kim, Hong Woo Lee
  • Patent number: 8273266
    Abstract: This invention relates to luminescent materials for ultraviolet light or visible light excitation comprising copper-alkaline-earth dominated inorganic mixed crystals activated by rare earth elements. The luminescent material is composed of one or more than one compounds of silicate type and/or germinate or germanate-silicate type. Accordingly, the present invention is a very good possibility to substitute earth alkaline ions by copper for a shifting of the emission bands to longer or shorter wavelength, respectively. Luminescent compounds containing Copper with improved luminescent properties and also with improved stability against water, humidity as well as other polar solvents are provided. The present invention is to provide copper containing luminescent compounds, which has high correlated color temperature range from about 2,000K to 8,000K or 10,000K and CRI up to over 90.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: September 25, 2012
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Gundula Roth, Walter Tews, Chung Hoon Lee
  • Patent number: 8274089
    Abstract: There is provided a light emitting diode operating under AC power comprising a substrate; a buffer layer formed on the substrate; and a plurality of light emitting cells formed on the buffer layer to have different sizes and to be electrically isolated from one another, the plurality of light emitting cells being connected in series through metal wires. According to the present invention, light emitting cells formed in an LED have different sizes, and thus have different turn-on voltages when light is emitted under AC power, so that times when the respective light emitting cells start emitting light are different to thereby effectively reduce a flicker phenomenon.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: September 25, 2012
    Assignee: Seoul Opto Device Co., Ltd.
    Inventors: Jun Hee Lee, Jong Kyu Kim, Yeo Jin Yoon
  • Patent number: 8271265
    Abstract: A method for searching for a Chinese character using a tone mark and system for executing the method is provided. The method includes: receiving a search term from a user; verifying a type of said received search term based on at least a portion of said received search term wherein the type includes at least one phonetic Chinese language or at least one Chinese character; and providing a search result based, at least in part, upon the verified type in response to the user's search request wherein the search result include dictionary definition of at least one Chinese character associated with the received search term.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: September 18, 2012
    Assignee: NHN Corporation
    Inventor: Do Youn Kim