Patents by Inventor Won-Kyu Lee

Won-Kyu 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).

  • Patent number: 8513671
    Abstract: A display device with the substrate divided into three areas. A semiconductor layer is formed in the first second areas and includes a channel area and source/drain areas; a gate insulating layer formed on the semiconductor layer in an area corresponding to the channel area; and a gate electrode formed on the gate insulating layer. The source/drain electrodes contact the source/drain areas, respectively; a pixel electrode is formed in the same layer but in a third area; an interlayer insulating layer is formed on a whole surface of the substrate including the formed structures; and a gate line is formed on the interlayer insulating layer and is electrically connected to a gate electrode of the first area through a via contact hole of the interlayer insulating layer.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Min-Chul Shin, Kyu-Sik Cho, Won-Kyu Lee, Tae-Hoon Yang, Byoung-Kwon Choo, Yun-Gyu Lee, Yong-Hwan Park, Sang-Ho Moon, Bo-Kyung Choi
  • Patent number: 8513065
    Abstract: A method of manufacturing a display device is disclosed. In one embodiment, the method includes: i) forming a semiconductor layer where a plurality of crystallized areas and a plurality of noncrystallized areas are alternately arranged on a substrate, ii) aligning the substrate based on a difference in contrast ratio between the crystallized and noncrystallized areas and iii) performing a photo process or a photolithography process.
    Type: Grant
    Filed: July 7, 2011
    Date of Patent: August 20, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Hyun Jin, Jae-Beom Choi, Won-Kyu Lee, Young-Jin Chang, Jae-Hwan Oh
  • Patent number: 8502206
    Abstract: An organic light emitting diode (OLED) display device and a method of fabricating the same are disclosed.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: August 6, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Won-Kyu Lee, Kyu-Sik Cho, Tae-Hoon Yang, Byoung-Kwon Choo, Sang-Ho Moon, Bo-Kyung Choi, Yong-Hwan Park, Joon-Hoo Choi, Min-Chul Shin, Yun-Gyu Lee
  • Patent number: 8497535
    Abstract: In a multilayered photodiode and a method of manufacturing the same, the multilayered photodiode comprises: a transparent substrate; a gate insulating film formed on the transparent substrate; a first metal layer formed on the gate insulating film; a semiconductor layer formed on the first metal layer so as to be in contact with the first metal layer; and a second metal layer formed on the semiconductor layer so as to be in contact with the semiconductor layer. The photodiode is vertically multilayered, and has a metal-insulator-metal (MIM) structure in which a P-N region is replaced by a metal, and in which a light-receiving region does not block incident light.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: July 30, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong-Beom Lee, Deok-Young Choi, Dae-Hyun Noh, Yong-Sung Park, Won-Kyu Lee
  • Publication number: 20130175533
    Abstract: A substrate includes a thin film transistor (TFT) which includes an active layer, a gate electrode, a source electrode, and a drain electrode; a first insulating layer disposed between the active layer and the gate electrode; a second insulating layer disposed between the gate electrode and the source and drain electrodes; a third insulating layer disposed on the second insulating layer, and including a first region for opening the second insulating layer and a second region for opening one of the source and drain electrodes, the first region and the second region being integrally connected; and a first electrode connected to one of the source and drain electrodes, and disposed so as to cover the first region and the second region.
    Type: Application
    Filed: June 29, 2012
    Publication date: July 11, 2013
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Won-Kyu Lee, Young-Jin Chang, Seong-Hyun Jin
  • Publication number: 20130164872
    Abstract: An organic light emitting diode display device and a method of manufacturing thereof, the device including a substrate, the substrate including a pixel part and a circuit part; a first semiconductor layer and a second semiconductor layer on the pixel part of the substrate; a gate insulating layer on an entire surface of the substrate; gate electrodes on the gate insulating layer, the gate electrodes corresponding to the first semiconductor layer and the second semiconductor layer, respectively; source/drain electrodes insulated from the gate electrodes, the source/drain electrodes being connected to the first and second semiconductor layers, respectively; a first electrode connected to the source/drain electrodes of the first semiconductor layer; an organic layer on the first electrode; a second layer on the organic layer; and a metal catalyst layer under the first semiconductor layer.
    Type: Application
    Filed: February 20, 2013
    Publication date: June 27, 2013
    Inventors: Yong-Hwan PARK, Kyu-Sik CHO, Sang-Ho MOON, Byoung-Kwon CHOO, Min-Chul SHIN, Tae-Hoon YANG, Bo-Kyung CHOI, Won-Kyu LEE, Yun-Gyu LEE, Joon-Hoo CHOI
  • Publication number: 20130153939
    Abstract: An organic light emitting display device in which an upper electrode and power supply lines are connected through through-holes such that charges can be smoothly supplied to the upper electrode of the organic light emitting display device, making it possible to improve light emitting efficiency.
    Type: Application
    Filed: August 21, 2012
    Publication date: June 20, 2013
    Inventors: Won-Kyu Lee, June-Woo Lee, Young-Jin Chang, Jae-Hwan Oh, Seong-Hyun Jin
  • Publication number: 20130146878
    Abstract: An organic light-emitting display apparatus includes a buffer layer that is on a substrate and includes nanoparticles including nickel (Ni), a pixel electrode on the buffer layer, an organic emission layer on the pixel electrode, and an opposite electrode on the organic emission layer. A method of manufacturing the organic light-emitting display apparatus is provided.
    Type: Application
    Filed: July 11, 2012
    Publication date: June 13, 2013
    Inventors: Jae-Hwan Oh, Yeoung-Jin Chang, Seong-Hyun Jin, Won-Kyu Lee, Jae-Beom Choi
  • Patent number: 8455337
    Abstract: Provided are a crystallization apparatus and method, which prevent cracks from being generated, a method of manufacturing a thin film transistor (TFT), and a method of manufacturing an organic light emitting display apparatus. The crystallization apparatus includes a chamber for receiving a substrate, a first flash lamp and a second flash lamp, which are disposed facing each other within the chamber, wherein amorphous silicon layers are disposed on a first surface of the substrate facing the first flash lamp and a second surface of the substrate facing the second flash lamp, respectively.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: June 4, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seong-Hyun Jin, Young-Jin Chang, Jae-Hwan Oh, Won-Kyu Lee
  • Publication number: 20130056710
    Abstract: An organic light-emitting display apparatus includes a first insulating layer, a second insulating layer on the first insulating layer and including an unevenness portion, a third insulating layer on the second insulating layer, a pixel electrode on the third insulating layer, an opposite electrode facing the pixel electrode, and an organic emission layer between the pixel electrode and the opposite electrode; a thin film transistor including an active layer, a gate electrode, and source/drain electrodes connected to the active layer, the first insulating layer being between the active layer and the gate electrode and the second insulating layer being between the gate electrode, and the source/drain electrodes; and a capacitor including a lower electrode on a same layer as the gate electrode, a dielectric layer of a same material as the third insulating layer, and an upper electrode on a same layer as the pixel electrode.
    Type: Application
    Filed: March 22, 2012
    Publication date: March 7, 2013
    Inventors: Jae-Hwan Oh, Young-Jin Chang, Seong-Hyun Jin, Se-Hun Park, June-Woo Lee, Kwang-Hae Kim, Jong-Hyun Choi, Kwan-Kyu Lee, Won-Kyu Lee, Jae-Beom Choi
  • Patent number: 8389984
    Abstract: An organic light emitting diode display device and a method of manufacturing thereof, the device including a substrate, the substrate including a pixel part and a circuit part; a first semiconductor layer and a second semiconductor layer on the pixel part of the substrate; a gate insulating layer on an entire surface of the substrate; gate electrodes on the gate insulating layer, the gate electrodes corresponding to the first semiconductor layer and the second semiconductor layer, respectively; source/drain electrodes insulated from the gate electrodes, the source/drain electrodes being connected to the first and second semiconductor layers, respectively; a first electrode connected to the source/drain electrodes of the first semiconductor layer; an organic layer on the first electrode; a second layer on the organic layer; and a metal catalyst layer under the first semiconductor layer.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: March 5, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Hwan Park, Kyu-Sik Cho, Sang-Ho Moon, Byoung-Kwon Choo, Min-Chul Shin, Tae-Hoon Yang, Bo-Kyung Choi, Won-Kyu Lee, Yun-Gyu Lee, Joon-Hoo Choi
  • Publication number: 20120306939
    Abstract: An array test method of an organic light emitting diode (OLED) display substrate is provided. The OLED display substrate includes a plurality of pixel circuits. Each pixel circuit includes an anode, a first transistor for transmitting a data signal that controls an amount of light emission of an OLED according to a scan signal, a driving transistor for receiving the data signal, generating a driving current corresponding to the data signal, and transmitting the driving current to the OLED, and a second transistor for diode-connecting a gate electrode and a drain electrode of the driving transistor.
    Type: Application
    Filed: April 17, 2012
    Publication date: December 6, 2012
    Inventors: Jae-Beom Choi, Won-Kyu Lee, Jae-Hwan Oh, Young-Jin Chang, Seong-Hyun Jin
  • Publication number: 20120268495
    Abstract: Disclosed is an apparatus and a method of adjusting a resolution of an application in a wireless terminal, which can automatically adjust a resolution of an application to be appropriate for a resolution of a wireless terminal. The apparatus includes a display unit for displaying an application having a resolution identically adjusted to a resolution of a wireless terminal and a controller for controlling such that when execution of the application is selected, the application is executed by adjusting the resolution of the application to be identical to the resolution of the wireless terminal.
    Type: Application
    Filed: April 19, 2012
    Publication date: October 25, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Won-Kyu LEE, Kyoung-Yong Lee
  • Publication number: 20120244722
    Abstract: A selective crystallization method includes placing a first substrate including first crystallization regions on a second substrate including second crystallization regions such that the first crystallization regions and the second crystallization regions are arranged alternately, and crystallizing the alternately-arranged first crystallization regions and the second crystallization regions with a laser beam. A laser crystallization apparatus can be used in the selective crystallization method.
    Type: Application
    Filed: February 10, 2012
    Publication date: September 27, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Do-Young Kim, June-Woo Lee, Won-Kyu Lee
  • Publication number: 20120168745
    Abstract: In a photosensor and a method of manufacturing the same, the photosensor comprises: an intrinsic silicon layer formed on a substrate; a P-type doped region formed in a same plane with the intrinsic silicon layer; and an oxide semiconductor layer formed on or under the intrinsic silicon layer, and overlapping an entire region of the intrinsic silicon layer.
    Type: Application
    Filed: September 22, 2011
    Publication date: July 5, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Jae-Hwan Oh, Won-Kyu Lee, Seong-Hyun Jin, Young-Jin Chang, Jae-Beom Choi
  • Publication number: 20120168836
    Abstract: In a multilayered photodiode and a method of manufacturing the same, the multilayered photodiode comprises: a transparent substrate; a gate insulating film formed on the transparent substrate; a first metal layer formed on the gate insulating film; a semiconductor layer formed on the first metal layer so as to be in contact with the first metal layer; and a second metal layer formed on the semiconductor layer so as to be in contact with the semiconductor layer. The photodiode is vertically multilayered, and has a metal-insulator-metal (MIM) structure in which a P-N region is replaced by a metal, and in which a light-receiving region does not block incident light.
    Type: Application
    Filed: September 2, 2011
    Publication date: July 5, 2012
    Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.
    Inventors: Dong-Beom Lee, Deok-Young Choi, Dae-Hyun Noh, Yong-Sung Park, Won-Kyu Lee
  • Publication number: 20120104393
    Abstract: An OLED display includes a first polysilicon layer pattern on a substrate having a first gate electrode, a second gate electrode, and a first capacitor electrode, a gate insulating layer pattern, a second polysilicon layer pattern including a first active layer, a second active layer, and a capacitor polycrystalline dummy layer, a third amorphous silicon layer pattern including first source and drain resistant contact layers on a predetermined region of the first active layer, second source and drain resistant contact layers on a predetermined region of the second active layer, and a capacitor amorphous dummy layer on the capacitor polycrystalline dummy layer, and a data metal layer pattern including first source/drain electrodes, second source/drain electrodes, and a second capacitor electrode.
    Type: Application
    Filed: September 13, 2011
    Publication date: May 3, 2012
    Inventors: Kyu-Sik Cho, Joon-Hoo Choi, Byoung-Kwon Choo, Min-Chul Shin, Tae-Hoon Yang, Won-Kyu Lee, Yun-Gyu Lee, Bo-Kyung Choi, Yong-Hwan Park, Sang-Ho Moon
  • Publication number: 20120107984
    Abstract: A laser crystallization system and a method of manufacturing a display apparatus using the laser crystallization system are disclosed. In one embodiment, the system includes i) a mother substrate in which first, second, and third display regions and ii) a stage for supporting the mother substrate and moving in first and second directions perpendicular to each other. The embodiment also includes i) a first laser irradiation unit for irradiating a first laser beam having a width greater than or identical to a width of a side of one of the first, second, and third display regions in the first direction and ii) a second laser irradiation unit spaced apart from the first laser irradiation unit and irradiating a second laser beam having a width greater than or identical to the width of the one side in the first direction.
    Type: Application
    Filed: October 12, 2011
    Publication date: May 3, 2012
    Applicant: Samsung Mobile Display Co., Ltd.
    Inventors: Jae-Hwan Oh, Jae-Beom Choi, Won-Kyu Lee, Young-Jin Chang, Seong-Hyun Jin
  • Publication number: 20120104382
    Abstract: A photo diode includes an intrinsic region on a substrate, a P+ doping region in a first portion of the intrinsic region, and an oxide semiconductor region. The oxide semiconductor region is spaced apart from the P+ doping region on a second portion of the intrinsic region and the second portion of the intrinsic region is different from the first portion of the intrinsic region.
    Type: Application
    Filed: September 8, 2011
    Publication date: May 3, 2012
    Inventors: Won-Kyu Lee, Jae-Beom Choi, Jae-Hwan Oh, Young-Jin Chang, Seong-Hyun Jin
  • Publication number: 20120056179
    Abstract: A photo sensor, a method of manufacturing the photo sensor, and a display apparatus, the photo sensor including a substrate; a light receiving unit on the substrate, the light receiving unit including an amorphous semiconductor material; a first adjacent unit and a second adjacent unit formed as one body with the light receiving unit, the first adjacent unit and the second adjacent unit being separated from each other by the light receiving unit; a first photo sensor electrode electrically connected to the first adjacent unit; and a second photo sensor electrode electrically connected to the second adjacent unit, wherein at least one of the first adjacent unit and the second adjacent unit includes a crystalline semiconductor material.
    Type: Application
    Filed: August 16, 2011
    Publication date: March 8, 2012
    Inventors: Won-Kyu Lee, Jae-Hwan Oh, Seong-Hyun Jin, Young-Jin Chang, Jae-Beom Choi