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).

  • Publication number: 20170133615
    Abstract: In a method of manufacturing a quantum dot, a core may be formed using (utilizing) at least one cation precursor and at least one anion precursor. The core may be reacted with a shell forming precursor and a ligand forming precursor for more than one hour to form a shell enclosing the core and a ligand. A nanoparticle including the core, the shell and the ligand may be washed.
    Type: Application
    Filed: January 25, 2017
    Publication date: May 11, 2017
    Inventors: Hee-Joo Ko, Hee-Sun Yang, Ki-Heon Lee, Jeong-Hoon Lee, Chang-Ho Lee
  • Publication number: 20170133444
    Abstract: An organic light emitting display device includes a substrate, a gate insulation layer, a planarization layer, a boundary pattern, and a sub-pixel structure. The substrate includes a sub-pixel region and a transparent region. The gate insulation layer is disposed on the substrate. The planarization layer is disposed in the sub-pixel region on the gate insulation layer, and exposes the transparent region. The boundary pattern covers a boundary of the sub-pixel region and the transparent region. The sub-pixel structure is disposed on the planarization layer.
    Type: Application
    Filed: November 11, 2016
    Publication date: May 11, 2017
    Inventors: Chang-Ho LEE, Dae-Woo KIM, Jin-A LEE, Myung-Koo HUR
  • Patent number: 9570526
    Abstract: An organic light emitting display device and a method for manufacturing the organic light emitting display device, which includes a light emitting region and a non-light emitting region, and having an organic light emitting element including first and second electrodes disposed in the light emitting region and an organic emission layer formed between the two electrodes, a driving voltage supply line disposed in the non-light emitting region and providing a driving voltage to the first and second electrodes, and a contact part disposed in the non-light emitting region and disposed to be in contact with the first electrode to supply the driving voltage provided from the driving voltage supply line to the first electrode, wherein the contact part is formed as multiple layers patterned such that a second conductive layer covers a first conductive layer.
    Type: Grant
    Filed: November 6, 2014
    Date of Patent: February 14, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong-Hwan Kim, Seong-Kweon Heo, Jong-Hyun Park, Chang-ho Lee
  • Patent number: 9559310
    Abstract: A compound represented by Formula 1 below and an organic light-emitting device including the compound are provided: Substituents in Formula 1 are the same as defined in the specification.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: January 31, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jun-Ha Park, Eun-Young Lee, Chang-Ho Lee, Jong-Hyuk Lee
  • Patent number: 9559322
    Abstract: In a method of manufacturing a quantum dot, a core may be formed using (utilizing) at least one cation precursor and at least one anion precursor. The core may be reacted with a shell forming precursor and a ligand forming precursor for more than one hour to form a shell enclosing the core and a ligand. A nanoparticle including the core, the shell and the ligand may be washed.
    Type: Grant
    Filed: April 3, 2014
    Date of Patent: January 31, 2017
    Assignees: Samsung Display Co., Ltd., Industry-Academia Cooperation Foundation, Hongik University
    Inventors: Hee-Joo Ko, Hee-Sun Yang, Ki-Heon Lee, Jeong-Hoon Lee, Chang-Ho Lee
  • Publication number: 20170014031
    Abstract: Provided is a scanner for photoacoustic tomography including: a mirror which reflects light and a photoacoustic signal for the photoacoustic tomography; a first driving member which is attached with the mirror; a second driving member which is connected to the first driving member; first driving force supply units which are disposed under two ends of the first driving member in a first direction to exert a driving force for allowing the first driving member to perform tilting movement in the first direction; and second driving force supply units which are disposed under two ends of the second driving member in a second direction to exert a driving force for allowing the second driving member to perform tilting movement in the second direction.
    Type: Application
    Filed: December 23, 2014
    Publication date: January 19, 2017
    Inventors: Geun Bae LIM, Man Sik JEON, Chang Ho LEE, Jin Young KIM, Chul Hong KIM
  • Publication number: 20170012234
    Abstract: An organic light emitting display includes: a substrate; a first electrode on the substrate; an organic light emitting layer on the first electrode; a second electrode formed on the organic light emitting layer; a non-resonance reflection inducing layer on the second electrode; and a capping layer on the non-resonance reflection inducing layer.
    Type: Application
    Filed: September 23, 2016
    Publication date: January 12, 2017
    Inventors: Nam Su Kang, Ji Hye Shim, Ji Hwan Yoon, Chang Ho Lee, Hyun Ju Choi
  • Publication number: 20170004485
    Abstract: An apparatus and a method for payment using short range communication are disclosed. The apparatus includes an electronic device having a communication module configured to wirelessly transmit at least one piece card information to an external device, a sensor configured to sense an orientation of the electronic device so as to generate a first signal, a processor configured to be electrically connected the wireless communication module and the sensor, and a memory configured to be electrically connected to the processor and at least temporarily store first card information and second card information, wherein the memory, at the time of execution, includes instructions which instruct the processor to receive the first signal, select one of the first card information and the second card information, at least partially on the basis of the first signal, and wirelessly transmit the selected card information to the external device.
    Type: Application
    Filed: June 29, 2016
    Publication date: January 5, 2017
    Inventors: Chang-Ho LEE, Geon-Soo KIM, Won-Kyu KWON, Se Chang SOHN, Jun-Yong SIM, Sung-Jae LIM
  • Patent number: 9537104
    Abstract: A condensed-cyclic compound and an organic light-emitting diode including the condensed-cyclic compound.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: January 3, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hye-Jin Jung, Seok-Hwan Hwang, Young-Kook Kim, Jin-O Lim, Sang-Hyun Han, Eun-Jae Jeong, Soo-Yon Kim, Jun-Ha Park, Eun-Young Lee, Chang-Ho Lee, Jong-Hyuk Lee
  • Patent number: 9528949
    Abstract: In a method of detecting inhomogeneity of a layer, an incident light may be irradiated to at least two regions of the layer at a first incident angle position. First reflected lights reflected from the two regions of the layer may be sensed. The incident light may be irradiated to the at least two regions of the layer at a second incident angle position. Second reflected lights reflected from the two regions of the layer may be sensed. The first reflected lights and the second reflected lights may be compared with each other to obtain the inhomogeneity of the layer. Thus, the layer having a spot may be found.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: December 27, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hoon Kim, Jin-A Ryu, Chang-Ho Lee, Dong-Won Kim, Jae-Ho Kim, Jung-Dae Park, Nae-Ry Yu, Pil-Kwon Jun
  • Publication number: 20160357406
    Abstract: An electronic device is provided. The electronic device includes a display outputting a screen, a processor electrically connected to the display, and a memory electrically connected to the processor and configured to store at least one image and instructions. The instructions are configured to, when executed by the processor, cause the processor control the display to display a candidate image having a first size and including at least a portion of the stored at least one image, and control the display to display a recommendation object having a second size smaller than the first size and corresponding to a portion of the candidate image on the screen together with the candidate image.
    Type: Application
    Filed: June 3, 2016
    Publication date: December 8, 2016
    Inventors: Chul Hwan LEE, Chang Ho LEE, Yong Joon JEON, Min Kyung HWANG, Sung Hyuk SHIN
  • Patent number: 9515280
    Abstract: An organic light emitting device, and a manufacturing method of the same, in which in a light emitting layer, an electron trap material is introduced so as to improve a light emitting property and an operating characteristic and to prolong a life span.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: December 6, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jin-Young Yun, Chang-Ho Lee, Dae-Yup Shin, Young-Mok Son, Il-Soo Oh, Hee-Joo Ko, Se-Jin Cho, Bo-Ra Lee, Yeon-Woo Lee, Beom-Joon Kim, Jung-Geun Lee, Young-Woo Song
  • Publication number: 20160327537
    Abstract: The present invention relates to a probe device for analyzing physical properties of food, having a teeth form, and more specifically, to a probe device for analyzing physical properties of food, having a teeth form, capable of objectively analyzing various physical properties felt by a person when chewing food, selecting and using a probe corresponding to a molar, a front tooth or a canine tooth, allowing a vertical motion of a press to be interlocked with a motion of the jaw joint, and allowing chewing experiments similar to real chewing of the human body to be carried out by enabling smooth occlusion of the upper jaw and the lower jaw.
    Type: Application
    Filed: October 7, 2014
    Publication date: November 10, 2016
    Inventors: Dong June Park, Dong Man Kim, Chang Ho Lee, Yong Gi Chun, Ah Ra Cho, Kook Nam Pyun
  • Publication number: 20160315132
    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: July 1, 2016
    Publication date: October 27, 2016
    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
  • Publication number: 20160308157
    Abstract: Provided is an organic light-emitting device including a first electrode, a second electrode disposed opposite to the first electrode, an emission layer disposed between the first electrode and the second electrode, and an electron-transporting layer disposed between the emission layer and the second electrode. The electron-transporting layer includes a first electron-transporting material and a second electron-transporting material. The lowest unoccupied molecular orbital (LUMO) energy level of the first electron-transporting material (EL1) and the lowest unoccupied molecular orbital (LUMO) energy level of the second electron-transporting material (EL2) satisfy the equation 0.1 eV?|EL1?EL2|?0.3 eV.
    Type: Application
    Filed: June 29, 2016
    Publication date: October 20, 2016
    Inventors: Se-Jin CHO, Chang-Ho LEE, Dae-Yup SHIN, Young-Mok SON, Il-Soo OH, Hee-Joo KO, Jin-Young YUN, Bo-Ra LEE, Yeon-Woo LEE, Beom-Joon KIM, Pyung-Eun JEON, Hyun-Ju CHOI, Chang-Min LEE
  • Patent number: 9466816
    Abstract: An organic light emitting display includes: a substrate; a first electrode on the substrate; an organic light emitting layer on the first electrode; a second electrode formed on the organic light emitting layer; a non-resonance reflection inducing layer on the second electrode; and a capping layer on the non-resonance reflection inducing layer.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: October 11, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Nam Su Kang, Ji Hye Shim, Ji Hwan Yoon, Chang Ho Lee, Hyun Ju Choi
  • Patent number: 9460690
    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: Grant
    Filed: September 30, 2014
    Date of Patent: October 4, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae-Du Roh, Jin-Tae Jeong, Chang-Ho Lee
  • Publication number: 20160284775
    Abstract: An organic light-emitting diode (OLED) display apparatus including a substrate, an insulation layer on the substrate, and an align mark formed of an insulation material, wherein an upper surface of the insulation layer contacts a lower surface of the align mark.
    Type: Application
    Filed: June 10, 2016
    Publication date: September 29, 2016
    Inventors: Chang-Ho Lee, Jong-Hyun Park, Seong-Kweon Heo, Chun-Gi You
  • Publication number: 20160269491
    Abstract: An electronic device includes a display configured to output an object, and a processor configured to manage a session connection between the electron device and an external server device and cause the display to display an information provision state object indicating a user information transmission state. A method for processing user information in an electronic device includes managing a session connection between the electronic device and an external server device and displaying an information provision state object indicating a user information transmission state.
    Type: Application
    Filed: March 8, 2016
    Publication date: September 15, 2016
    Inventors: Yu Youl Eom, Suk Hyung Lee, Chang Ho Lee, Pyeong Gyu Jin, Jae Bong Yoo, Deung Hyeon Jeong
  • Patent number: D787477
    Type: Grant
    Filed: September 14, 2014
    Date of Patent: May 23, 2017
    Assignee: GN Netcom A/S
    Inventor: Chang Ho Lee