Patents by Inventor Chang Ho Lee

Chang Ho 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).

  • OPTICAL FIBER FOR GENERATING BESSEL BEAM AND OPTICAL IMAGING DEVICE USING SAME
    Publication number: 20150122033
    Abstract: An optical fiber for generating a Bessel beam and an optical imaging device using the same are disclosed. The optical fiber for generating a Bessel beam includes a single mode optical fiber (SMF) unit, a multi-mode optical fiber unit, and a lens unit. The SMF unit includes a core and a cladding surrounding the core. The multi-mode optical fiber unit comes in contact with a first end of the SMF unit. The lens unit comes in contact with one end of the multi-mode optical fiber unit that faces the first end of the SMF unit.
    Type: Application
    Filed: October 1, 2014
    Publication date: May 7, 2015
    Inventors: Chulhong Kim, Kyung Hwan Oh, Sung Jo Park, Jong Ki Kim, Sung Rae Lee, Man sik Jeon, Chang Ho Lee
  • Multi-throw antenna switch with off-state capacitance reduction
    Patent number: 9024838
    Abstract: A multi-throw antenna switch with off-state capacitance reduction is disclosed. In an exemplary embodiment, an apparatus is provided that includes a plurality of first stage switches connected to an antenna, and a plurality of second stage switches connected to the plurality of first stage switches, each first stage switch connected in series to one or more second stage switches to form a plurality of switchable signal paths connected to the antenna.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: May 5, 2015
    Assignee: QUALCOMM Incorporated
    Inventors: Minsik Ahn, Chang-Ho Lee, Aristotele Hadjichristos
  • Array-type multilayer ceramic electronic component, board for mounting the same, and method of manufacturing the same
    Patent number: 9024200
    Abstract: There is provided an array type multilayer ceramic electronic component including a ceramic body having a plurality of dielectric layers stacked in a length direction, a first capacitor part including a plurality of first and second internal electrodes alternately exposed through both side surfaces of the ceramic body, a second capacitor part disposed to be spaced apart from the first capacitor part and including a plurality of third and fourth internal electrodes, a first external electrode formed on one side surface, a second external electrode disposed to be spaced apart from the first external electrode, formed on one side surface of the ceramic body, and a third external electrode formed on the other side surface of the ceramic body.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: May 5, 2015
    Assignee: Sansum Electro-Mechanics Co., Ltd.
    Inventor: Chang Ho Lee
  • ORGANIC LIGHT-EMITTING DISPLAY AND METHODS OF MANUFACTURING THE SAME
    Publication number: 20150115230
    Abstract: An organic light-emitting display including a conductive-organic small molecular filling material and methods of manufacturing the same are disclosed. The organic light-emitting display includes a substrate, a display unit disposed on the substrate, a sealing substrate disposed above the display unit, a sealing member that attaches the substrate to the sealing substrate and disposed outside the display unit; and a filling material filling a space between the substrate and the sealing substrate inwards from the sealing member, wherein the filling material is a conductive-organic small molecule.
    Type: Application
    Filed: March 21, 2014
    Publication date: April 30, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Ji-Hwan Yoon, Chang-Ho Lee, Sang-Woo Pyo
  • Organic light-emitting device and method of manufacturing the same
    Patent number: 9006762
    Abstract: An organic light-emitting device including a substrate, an anode layer on the substrate, the anode layer including WOxNy (2.2?x?2.6 and 0.22?y?0.26), an emission structure layer on the anode layer, and a cathode layer on the emission structure layer.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: April 14, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Ho Lee, Hee-Joo Ko, Il-Soo Oh, Hyung-Jun Song, Se-Jin Cho, Jin-Young Yun, Bo-Ra Lee, Young-Woo Song, Jong-Hyuk Lee, Sung-Chul Kim
  • TOUCH SCREEN DISPLAY
    Publication number: 20150097808
    Abstract: A touch screen display is disclosed. In one aspect, the touch screen display includes a plurality of first touch electrodes each including first and second ends opposing each other and a plurality of second touch electrodes crossing the first touch electrodes. The touch screen display also includes a first voltage line providing a voltage, a first signal line providing a touch driving signal, and a plurality of first switching units respectively connected to the first touch electrodes. Each of the first switching units is electrically connected to the first voltage line, the first signal line, and the first end of a corresponding first touch electrode. Each of the first switching units alternately provides one of the voltage and the touch driving signal to the corresponding first touch electrode.
    Type: Application
    Filed: September 30, 2014
    Publication date: April 9, 2015
    Inventors: Jae-Du ROH, Jin-Tae JEONG, Chang-Ho LEE
  • Methods of forming a passivation layer
    Patent number: 8975110
    Abstract: In a composition of forming a passivation layer, the composition includes about 30 to about 60 percent by weight of a mixed polymer resin formed by blending polyamic acid and polyhydroxy amide, about 3 to about 10 percent by weight of a photoactive compound, about 2 to about 10 percent by weight of a cross-linking agent and an organic solvent. The passivation layer formed by using the composition has superior mechanical and physical properties, in which disadvantages of polyimide and polybenzoxazole are compensated by mixing both materials.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: March 10, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Soo-Young Kim, Chang-Ho Lee, Su-Min Park
  • Organic light emitting device having a bulk layer comprising a first and second material
    Patent number: 8969864
    Abstract: Disclosed is an organic light emitting diode device including an anode, a cathode, an emission layer between the anode and the cathode, and a buffer layer positioned between the emission layer and the anode. The buffer layer includes an oxide, fluoride, quinolate, or acetoacetate compound of an alkaline metal or an alkaline-earth metal, as well as a material having a work function of about 2.6 to about 4.5 eV. The buffer layer also has a thickness of about 30 ? to about 400 ?.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: March 3, 2015
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il-Soo Oh, Chang-Ho Lee, Hee-Joo Ko, Se-Jin Cho, Hyung-Jun Song, Jin-Young Yun, Bo-Ra Lee, Young-Woo Song
  • Backlight unit and liquid crystal display device having the same
    Patent number: 8960935
    Abstract: Disclosed is a printed circuit board, on which a holder for fixing a lamp is mounted, is disposed on an upper surface of a bottom cover, and an inverter supplying a driving voltage to the lamp is disposed on a lower surface of the bottom cover. The printed circuit board is electrically connected to the holder as a conductive pattern is embedded in the printed circuit board. The connector is directly mounted on the inverter, or it is connected to the inverter via a wire. In this case, the connector is also connected to the printed circuit board. Therefore, the connector of the inverter and the connector of the printed circuit board are electrically connected.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: February 24, 2015
    Assignee: LG Display Co., Ltd.
    Inventors: Eun Seok Jang, Sung Keun Lee, Jae Ho Lee, Chang Ho Lee, Yong Kon Lee, Oh Sang Kwon, Dae Heung Lee, Seung Hyun Kim, Jin Seo Park
  • MULTI-MODE MULTI-BAND POWER AMPLIFIERS
    Publication number: 20150050901
    Abstract: Exemplary embodiments are directed to an amplifier module which may comprise a transmit path including a first amplifier and a second amplifier. The exemplary amplifier module may further include a transformer coupled between the first amplifier and the second amplifier and switchably configured for coupling the first amplifier in series with the second amplifier in a first mode and coupling the first amplifier to bypass the second amplifier in a second mode.
    Type: Application
    Filed: December 19, 2012
    Publication date: February 19, 2015
    Applicant: QUALCOMM INCORPORATED
    Inventors: Chang-Ho Lee, Woonyun Kim, Minsik Ahn, Jeongwon Cha, Yunseo Park, Aristotele Hadjichristos
  • ARRAY-TYPE MULTILAYER CERAMIC ELECTRONIC COMPONENT, BOARD FOR MOUNTING THE SAME, AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20150021076
    Abstract: There is provided an array type multilayer ceramic electronic component including a ceramic body having a plurality of dielectric layers stacked in a length direction, a first capacitor part including a plurality of first and second internal electrodes alternately exposed through both side surfaces of the ceramic body, a second capacitor part disposed to be spaced apart from the first capacitor part and including a plurality of third and fourth internal electrodes, a first external electrode formed on one side surface, a second external electrode disposed to be spaced apart from the first external electrode, formed on one side surface of the ceramic body, and a third external electrode formed on the other side surface of the ceramic body.
    Type: Application
    Filed: October 22, 2013
    Publication date: January 22, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Chang Ho Lee
  • ELECTRONIC DEVICE AND METHOD OF PROCESSING INFORMATION IN ELECTRONIC DEVICE
    Publication number: 20150020027
    Abstract: An apparatus for processing information of an electronic document includes: a display unit configured to display at least one recommended item indicating user interest information in a first electronic document, and a controller configured to provide to the display unit for displaying the at least one recommended item in the first electronic document based on user information collected from the first electronic document, and to provide to the display unit for displaying user interest information through a function corresponding to a selected item of the at least one recommended item.
    Type: Application
    Filed: July 11, 2014
    Publication date: January 15, 2015
    Inventors: Chang-Hyup Jwa, Kyung-Tae Kim, Hye-Rim Bae, Yang-Wook Kim, Sun-Kee Lee, Doo-Suk Kang, Chang-Ho Lee, Sae-Mee Yim, Yong-Joon Jeon
  • ARRAY-TYPE MULTILAYER CERAMIC ELECTRONIC COMPONENT AND MOUNTING BOARD THEREFOR
    Publication number: 20150016016
    Abstract: An array-type multilayer ceramic electronic component includes a ceramic body in which a plurality of dielectric layers are stacked in a length direction; a plurality of capacitor parts having different capacitances and including a plurality of first and second internal electrodes disposed with predetermined intervals therebetween in the length direction to be alternately exposed to both side surfaces of the ceramic body, having dielectric layers therebetween; and a plurality of first and second external electrodes disposed with predetermined intervals therebetween in the length direction and disposed on both side surfaces of the ceramic body. The plurality of respective capacitor parts include different amounts of internal electrodes stacked therein.
    Type: Application
    Filed: December 30, 2013
    Publication date: January 15, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Chang Ho LEE
  • ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY APPARATUS HAVING THE SAME
    Publication number: 20150014651
    Abstract: An organic light emitting diode includes a hole injection layer, a hole transport layer, an emission layer, an electron transport layer and an electron injection layer. The hole transport layer is disposed on the hole injection layer. The emission layer is disposed on the hole transport layer. The electron transport layer is disposed on the emission layer and including at least one selected from an anthracene derivative and a pyrene derivative. The electron injection layer is disposed on the electron transport layer. The organic light emitting diode includes a material that electron mobility is lower than a traditional material of the electron transport layer. Thus, a stain and a roll-off phenomenon in the low gray scale area may be improved.
    Type: Application
    Filed: February 25, 2014
    Publication date: January 15, 2015
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyun-Ju Choi, Chang-Ho Lee
  • ORGANIC LIGHT EMITTING DIODE AND ORGANIC LIGHT EMITTING DISPLAY APPARATUS HAVING THE SAME
    Publication number: 20150008408
    Abstract: An organic light emitting diode includes a hole injection layer, a hole transport layer, an optical compensation layer, an emission layer, an electron transport layer and an electron injection layer. The optical compensation layer is disposed on the hole transport layer and includes a phosphorescent host material. Thus, an electron barrier on an interface between the optical compensation layer and an emission layer may be reduced. Thus, the luminance efficiency in a low gray scale area may be decreased, and the stain and roll-off phenomenon in the low gray scale area may be improved.
    Type: Application
    Filed: June 30, 2014
    Publication date: January 8, 2015
    Inventors: Chang-Ho LEE, Hyun-Ju CHOI
  • ORGANIC LIGHT EMITTING DIODE DISPLAY
    Publication number: 20150008404
    Abstract: An organic light emitting diode (OLED) display includes a substrate, a thin film transistor disposed on the substrate, a first electrode disposed on the thin film transistor and electrically connected to the thin film transistor, a first auxiliary layer disposed on the first electrode, an emission layer disposed on the first auxiliary layer, an electron transport layer disposed on the emission layer, a first buffer layer disposed on the electron transport layer, and a second electrode disposed on the first buffer layer.
    Type: Application
    Filed: June 26, 2014
    Publication date: January 8, 2015
    Inventors: Il Soo OH, Chang Ho LEE, Ji Hwan YOON, Dae Yup SHIN, Hee Joo KO, Se Jin CHO, Jin Young YUN, Bora LEE, Yeon-Woo LEE, Beom Joon KIM, Pyung Eun JEON, Hyun Ju CHOI, Joong Won SIM, In Jae LEE
  • Portable computer
    Patent number: D721698
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: January 27, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Son-Young Lee, Jun-Se Kim, Chang-Ho Lee, Sang-Won Yoon, Won-Suk Chung
  • Tablet computer
    Patent number: D728561
    Type: Grant
    Filed: May 1, 2013
    Date of Patent: May 5, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ji-Sang Park, Chang-Ho Lee, Yeo-Wan Yun
  • Mobile communication terminal
    Patent number: D729233
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Ho Lee, Won-Suk Chung
  • Keyboard for mobile communication terminal
    Patent number: D729258
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: May 12, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Ho Lee, Won-Suk Chung