Patents by Inventor Jae-Yoon Lee

Jae-Yoon 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: 8735870
    Abstract: An organic thin film transistor and a method for manufacturing the same is disclosed, which can improve the device properties by decreasing a contact resistance which occurs in a contact area between an organic semiconductor layer and source/drain electrodes. The organic thin film transistor includes a gate electrode formed on a substrate, a gate insulation layer formed on the gate electrode, source and drain electrodes overlapped with both edges of the gate electrode and formed on the gate insulation layer, an organic semiconductor layer formed on the gate insulation layer including the source/drain electrodes, a first adhesive layer having hydrophilic properties formed between the gate insulation layer and the source/drain electrodes, and a second adhesive layer having hydrophobic properties formed between the organic semiconductor layer and the gate insulation layer.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: May 27, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Chang Wook Han, Jae Yoon Lee
  • Publication number: 20140078529
    Abstract: An attached file printing method of an image forming apparatus, and image forming apparatus and system employing the same are provided. The attached file printing method of an image forming apparatus includes: determining whether there is a printable attached file in a printing target original document or not; converting at least one of the original document and the attached file to a printing data depending on the determining result; and printing the converted printing data.
    Type: Application
    Filed: March 5, 2013
    Publication date: March 20, 2014
    Inventors: Jae-yoon LEE, Kyeong-wook HA
  • Publication number: 20130321853
    Abstract: A Customer Replaceable Unit Monitoring (CRUM) chip, an image forming apparatus, and a method of authenticating are provided. The apparatus includes a main body that includes a main controller controlling operations of the apparatus, a consumable unit mounted on the main body to communicate with the main controller, and a CRUM chip that is provided in the consumable unit and stores information regarding the consumable unit. The main controller and the CRUM chip transmit and receive signals that include data and integrity detection data between each other. The integrity detection data is generated by using previous integrity detection data.
    Type: Application
    Filed: August 9, 2013
    Publication date: December 5, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-yoon LEE, Hong-rok WOO
  • Patent number: 8587194
    Abstract: An organic electroluminescent display (OELD) device includes a first substrate having a first unit pixel region including first and second pixel regions; first and second gate lines along a first direction; first and second data lines along a second direction; a switching TFT in the first pixel region; a driving TFT in the first pixel region; a passivation layer including a first contact hole exposing a portion of the driving TFT; a first electrode contacting the driving TFT through the first contact hole; a bank surrounding the second pixel region an organic emitting layer in the second pixel region; and a transparent second electrode on the organic emitting layer and the bank, wherein the second pixel region is a region shifted from the first pixel region such that the second gate line goes across the second pixel region.
    Type: Grant
    Filed: October 19, 2009
    Date of Patent: November 19, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Yoon Lee, Sung-Joon Bae
  • Patent number: 8416439
    Abstract: An attached file printing method of an image forming apparatus, and image forming apparatus and system employing the same are provided. The attached file printing method of an image forming apparatus includes: determining whether there is a printable attached file in a printing target original document or not; converting at least one of the original document and the attached file to a printing data depending on the determining result; and printing the converted printing data.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: April 9, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae-yoon Lee, Kyeong-wook Ha
  • Publication number: 20130063770
    Abstract: An image forming device is provided. The device includes a main body which includes a main controller controlling operations of the image forming device, a consumable unit mounted on the main body to enable communication with the main controller, and a CRUM chip which is provided in the consumable unit and stores usage information of the consumable unit and characteristics information The main controller and the CRUM chip transmit and receive signals which include data and integrity detection data between each other. The integrity detection data is generated by accumulating and reflecting integrity detection data included in a previous signal.
    Type: Application
    Filed: April 12, 2012
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-yoon LEE, Hong-rok Woo
  • Patent number: 8344612
    Abstract: An organic electroluminescent device and a method of fabricating the same are provided. The organic electroluminescent device includes a first substrate, a second substrate, a thin film transistor formed on the first substrate, a light emitting diode comprising first and second electrodes and an organic luminescent layer that are formed on the thin film transistor, and first and second passivation layers formed on the first substrate on which the light emitting diode is formed.
    Type: Grant
    Filed: July 9, 2008
    Date of Patent: January 1, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Yoon Lee, Kang Ju Lee, Se Young Park
  • Patent number: 8247966
    Abstract: An organic light emitting device, which includes a first substrate, scan lines and data lines arranged on the first substrate, and at least an unit pixel comprising a R sub-pixel corresponding to a Red color, a G sub-pixel corresponding to a Green color, and a B sub-pixel corresponding to a Blue color positioned in a region on the first substrate defined by a crossing of the scan and data lines.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: August 21, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Yoon Lee, Ock Hee Kim
  • Patent number: 8217571
    Abstract: An organic light emitting diode display device according to the present invention includes a first electrode on a first substrate including a first region and a second region, the second region substantially surrounding the first region; a pixel separating pattern on the first electrode in the second region; an organic light emitting pattern at least in the first region; a second electrode on the organic light emitting pattern; a contact electrode on the pixel separating pattern, the contact electrode being electrically connected to the second electrode; and a thin film transistor on the second substrate facing the first substrate, the thin film transistor being electrically connected to the contact electrode.
    Type: Grant
    Filed: December 11, 2007
    Date of Patent: July 10, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Yoon Lee, Heung Lyul Cho, Kyung Man Kim, Joon Suk Lee, Do Hyung Kim, Moon Ky Lee, Woo Jin Nam, Jeong Hyun Kim
  • Publication number: 20120062950
    Abstract: An image forming apparatus includes a consumable unit with a built-in memory, a power supply unit to provide power to drive the memory, and a control unit to control the power supply unit to provide power to the memory and to access the memory, when an event that needs to access the memory happens, and to control the power supply unit to cut off the power to the memory, when a process with respect to the memory is finished.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 15, 2012
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Jae-yoon LEE
  • Patent number: 8087965
    Abstract: An organic electro-luminance display device includes a first substrate and a second substrate; an array element on the first substrate, the array element including at least one thin film transistor (TFT) in each sub-pixel; a first electrode on the second substrate; a buffer on the first electrode including a first buffer at an outer region partitioning each sub-pixel and a second buffer at a region including a stepped portion of the first buffer, wherein a undercut structure is formed by the first and second buffers; an organic electro-luminescent layer in each sub-pixel partitioned by the second buffer; a second electrode formed on the organic electro-luminescent layer; and a conductive spacer for electrically connecting the TFT to the second electrode.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: January 3, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Joon Bae, Jae Yoon Lee, Joon Suk Lee
  • Patent number: 8084936
    Abstract: An organic light emitting device including a first electrode disposed on a substrate, a separator disposed on the first electrode in a lattice shape and having a groove-shaped isolation portion that gradually expands from an entrance toward an inside of the isolation portion, organic light emitting patterns disposed on the first electrode surrounded by the separator, the organic light emitting patterns being separated by the isolation portion, and second electrodes disposed on the organic light emitting patterns and separated by the isolation portion.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: December 27, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Jeong Hyun Kim, Jae Yoon Lee, Heung Lyul Cho, Joon Suk Lee, Hee Dong Choi
  • Patent number: 8049909
    Abstract: An image forming apparatus capable of performing a skip copy and an image forming method using the same, the image forming apparatus including: an image forming unit to copy a document, and a control unit to control the image forming unit to skip a designated region of the document when the image forming unit copies the document. Accordingly, resources, such as ink, and time can be preserved.
    Type: Grant
    Filed: March 19, 2007
    Date of Patent: November 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Jae-yoon Lee
  • Patent number: 8044578
    Abstract: The display device includes a first substrate, a second substrate, a spacer and a connection electrode. The first substrate includes an organic electroluminescence diode device, and the second substrate faces the first substrate and includes a thin film transistor. The connection electrode is configured to electrically connect the thin film transistor and the organic electroluminescence diode device. The display device further includes a first buffer pattern configured to separate two adjacent pixel regions and a second buffer pattern overlying the first buffer pattern and having a predetermined shape. The first buffer pattern is etchable to produce a cavity between the two adjacent pixel regions. The cavity can be enlarged to the extent that the shape of the second buffer pattern is maintained.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: October 25, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Yoon Lee, Joon Suk Lee
  • Patent number: 7999458
    Abstract: An organic electro luminescence device is presented in which ink forming an organic electro luminescent layer is prevented from overflowing edges of a pixel region. The organic electro luminescent device includes first and second substrates and sub-pixels in the first and second substrates. An array element includes a thin film transistor formed on the first substrate in each sub-pixel. A first electrode is formed at an inner surface of the second substrate. A buffer is formed at an outer region to partition each sub-pixel formed on the first electrode. A first electrode separator is formed on the buffer and a second electrode separator is formed in a region including a stepped portion of the buffer. An organic electro luminescent layer is formed within a region partitioned by the second electrode separator. A second electrode is formed on the second substrate where the organic electro luminescent layer is formed.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: August 16, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Joon Bae, Jae Yoon Lee, Kyung Man Kim, Joon Suk Lee
  • Patent number: 7963816
    Abstract: Provided is a method of fabricating an organic electro luminescence device, the method comprising: forming a thin film transistor on a substrate; forming a passivation layer and a first electrode on the substrate including the thin film transistor; forming a contact hole exposing an upper surface of a drain electrode of the thin film transistor at a predetermined portion of the first electrode and the passivation layer; forming a buffer layer and a barrier rib on a predetermined portion of an upper surface of the first electrode; forming an organic emission layer within a region defined by the buffer layer; and forming a second electrode on the organic emission layer such that the second electrode is electrically connected with the drain electrode through the contact hole.
    Type: Grant
    Filed: December 31, 2009
    Date of Patent: June 21, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Joon Bae, Jae Yoon Lee
  • Patent number: 7963757
    Abstract: A patterning apparatus for an electroluminescent display includes a molding plate provided with a plurality of convex portions and concave portions; a polymer supplying roller adjacent to the molding plate to apply an electroluminescent material to the molding plate via rotational movement; and a molding roller attached to the molding plate to apply the electroluminescent material on the molding plate to an adjacent substrate via rotational movement.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: June 21, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Yoon Lee, Sung Joon Bae
  • Patent number: D681830
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: May 7, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-Moo Chung, Ho-Young Park, Jae-Yoon Lee, Jung-Hoon Kim
  • Patent number: D695898
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: December 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-Moo Chung, Jae-Yoon Lee, Ho-Young Park, Jung-Hoon Kim
  • Patent number: D696783
    Type: Grant
    Filed: September 6, 2012
    Date of Patent: December 31, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeon-Moo Chung, Ho-Young Park, Jae-Yoon Lee, Jung-Hoon Kim