Patents by Inventor Hun-Jung Lee

Hun-Jung 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: 20240130182
    Abstract: A display is provided. The display device includes a display area and a non-display area located around the display area; a base layer; an organic light-emitting diode (OLED) that is located on the base layer in the display area; and a first crack detection line that is located on the base layer in the non-display area; wherein the first crack detection line comprises a first line that extends substantially in a first direction along a first edge of the display area, a second line that is separated from the first line and extends substantially in the first direction, and a third line that is connected to an end of the first line and an end of the second line, wherein a cross-sectional shape of the first line in a second direction crossing the first direction is inversely tapered.
    Type: Application
    Filed: December 26, 2023
    Publication date: April 18, 2024
    Inventors: Hun KIM, Yong Jin KIM, Soon Jung WANG, Keun Soo LEE, Jae Ho LEE, Kyung Chan CHAE
  • Publication number: 20240128658
    Abstract: A dual polarization antenna is disclosed in at least one embodiment of the present disclosure, including a base substrate, a power feeding unit supported on the base substrate, and a radiating plate supported on the power feeding unit, wherein the first feeding substrate includes a first insulating substrate supported on the base substrate, and a first feed line attached to the first insulating substrate and configured to supply a first reference phase signal to a first point on the radiating plate and to supply to a second point on the radiating plate, a first reverse phase signal having a reverse phase relative to the first reference phase signal, and wherein the second feeding substrate includes a second insulating substrate supported on the base substrate, and a second feed line attached to the first insulating substrate and configured to supply a second reference phase signal to a third point on the radiating plate and to supply to a fourth point on the radiating plate, a second reverse phase signal havi
    Type: Application
    Filed: December 15, 2023
    Publication date: April 18, 2024
    Applicant: KMW INC.
    Inventors: Seong Man KANG, Oh Seog CHOI, Hun Jung JUNG, Gyo Jin JO, Su Yong LEE
  • Patent number: 11242667
    Abstract: Provided is a work vehicle including a cabin and a loader work device. The work vehicle includes: a vehicle main body; a main body rear; front and rear wheels; a bucket; a lifting arm connected to the bucket to lift the bucket; a boom support connected to the lifting arm; a rear link having one end coupled to a first boom support hinge part of the boom support and an opposite end coupled to a rear hinge part of the main body rear; a boom cylinder having one end coupled to a second boom support hinge part of the boom support to rotate the boom support; and a rotation link having one end coupled to a third boom support hinge part of the boom support and an opposite end coupled to a front hinge part of the vehicle main body.
    Type: Grant
    Filed: August 21, 2019
    Date of Patent: February 8, 2022
    Assignee: DAEDONG CORPORATION
    Inventors: Hun Jung Lee, Yong Woo Kim
  • Publication number: 20200071905
    Abstract: Provided is a work vehicle including a cabin and a loader work device. The work vehicle includes: a vehicle main body; a main body rear; front and rear wheels; a bucket; a lifting arm connected to the bucket to lift the bucket; a boom support connected to the lifting arm; a rear link having one end coupled to a first boom support hinge part of the boom support and an opposite end coupled to a rear hinge part of the main body rear; a boom cylinder having one end coupled to a second boom support hinge part of the boom support to rotate the boom support; and a rotation link having one end coupled to a third boom support hinge part of the boom support and an opposite end coupled to a front hinge part of the vehicle main body.
    Type: Application
    Filed: August 21, 2019
    Publication date: March 5, 2020
    Applicant: DAEDONG INDUSTRIAL CO., LTD.
    Inventors: Hun Jung Lee, Yong Woo Kim
  • Patent number: 9480179
    Abstract: A display device includes a display panel, an actuator unit including a plurality of actuator members generating vibrations and disposed to face one side of the display panel, and a support unit contacting the actuator unit to receive a vibration generating from the actuator unit and including a plurality of support members disposed to respectively correspond to the plurality of actuator members and spaced apart from each other.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong-Hwa Choi, Hun-Jung Lee, Sang-Ho Kim
  • Patent number: 9378672
    Abstract: An organic light emitting display device includes pixels at intersection regions of scan and data lines, a scan driver configured to supply a scan signal to the scan lines, a data driver configured to supply a data signal to the data lines, and a timing controller configured to receive from outside frame data including left and right image data, and to insert first blank periods into initial and latter periods of a same frame, the left and right image data being between the initial and latter periods of the same frame.
    Type: Grant
    Filed: January 2, 2013
    Date of Patent: June 28, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-Ho Chong, Seung-Bae Lee, Hun-Jung Lee, Su-Young Kim, Hye-Ryoung Park
  • Patent number: 9240487
    Abstract: A method of manufacturing a thin film transistor having a compound semiconductor with oxygen as a semiconductor layer and a method of manufacturing an organic light emitting display having the thin film transistor include: forming a gate electrode on an insulating substrate; forming a gate insulating layer on the gate electrode; forming a semiconductor layer including oxygen ions on the gate insulating layer, and including a channel region, a source region, and a drain region; forming a source electrode and a drain electrode to contact the semiconductor layer in the source region and the drain region, respectively; and forming a passivation layer on the semiconductor layer by coating an organic material, wherein a carrier density of the semiconductor layer is maintained in the range of 1E+17 to 1E+18/cm3 to have stable electrical property.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: January 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun-Jung Lee, Jae-Kyeong Jeong, Hyun-Soo Shin, Jong-Han Jeong, Jin-Seong Park, Steve Y. G. Mo
  • Patent number: 8871566
    Abstract: A thin film transistor includes a gate electrode, a first insulating layer on the gate electrode, a semiconductor layer on the gate electrode and separated from the gate electrode by the first insulating layer, the semiconductor layer including a channel region corresponding to the gate electrode, a source region, and a drain region, a hydrogen diffusion barrier layer on the semiconductor layer, the hydrogen diffusion barrier layer covering the channel region and exposing the source and drain regions, and a second insulation layer on the source and drain regions and on the hydrogen diffusion barrier layer, such that the hydrogen diffusion barrier layer is between the second insulation layer and the channel region.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: October 28, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun-soo Shin, Yeon-gon Mo, Jae-kyeong Jeong, Jin-seong Park, Hun-jung Lee, Jong-han Jeong
  • Publication number: 20140285983
    Abstract: A display device includes a display panel, an actuator unit including a plurality of actuator members generating vibrations and disposed to face one side of the display panel, and a support unit contacting the actuator unit to receive a vibration generating from the actuator unit and including a plurality of support members disposed to respectively correspond to the plurality of actuator members and spaced apart from each other.
    Type: Application
    Filed: November 6, 2013
    Publication date: September 25, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byeong-Hwa CHOI, Hun-Jung LEE, Sang-Ho KIM
  • Patent number: 8841836
    Abstract: A flat panel display device includes a transparent display panel including a transparent area transmitting light incident on one surface of the transparent display panel to the other surface opposite to the one surface; a first anti-reflective film which is formed over the one surface of the transparent display panel and has a moth eye structure; and a second anti-reflective film which is formed over the other surface of the transparent display panel and has a moth eye structure.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: September 23, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Ho Kim, Jae-Woo Bae, Hun-Jung Lee
  • Patent number: 8796679
    Abstract: A method of manufacturing an IGZO active layer includes depositing ions including In, Ga, and Zn from a first target, and depositing ions including In from a second target having a different atomic composition from the first target. The deposition of ions from the second target may be controlled to adjust an atomic % of In in the IGZO layer to be about 45 atomic % to about 80 atomic %.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: August 5, 2014
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-han Jeong, Jae-kyeong Jeong, Jin-seong Park, Yeon-gon Mo, Hui-won Yang, Min-kyu Kim, Tae-kyung Ahn, Hyun-soo Shin, Hun jung Lee
  • Publication number: 20130321364
    Abstract: An organic light emitting display device includes pixels at intersection regions of scan and data lines, a scan driver configured to supply a scan signal to the scan lines, a data driver configured to supply a data signal to the data lines, and a timing controller configured to receive from outside frame data including left and right image data, and to insert first blank periods into initial and latter periods of a same frame, the left and right image data being between the initial and latter periods of the same frame.
    Type: Application
    Filed: January 2, 2013
    Publication date: December 5, 2013
    Inventors: Jong-Ho CHONG, Seung-Bae LEE, Hun-Jung LEE, Su-Young KIM, Hye-Ryoung PARK
  • Patent number: 8598781
    Abstract: An Organic Light Emitting Display (OLED) and a method of fabricating the OLED includes: a substrate including a pixel region and a non-pixel region; a gate electrode arranged in the non-pixel region of the substrate; a first insulating layer arranged on the substrate having the gate electrode formed thereon, and having an open groove on an upper surface of a region opposite to the gate electrode; a semiconductor layer buried in the groove and including a source region, a channel region and a drain region; and an organic thin film layer arranged in the pixel region of the substrate. A common electrode is arranged between the drain region of the semiconductor layer and the organic thin film layer to electrically couple the drain region to the organic thin film layer.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: December 3, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun-Jung Lee, Jae-Kyeong Jeong, Steve Y. G. Mo
  • Publication number: 20130285539
    Abstract: A flat panel display device includes a transparent display panel including a transparent area transmitting light incident on one surface of the transparent display panel to the other surface opposite to the one surface; a first anti-reflective film which is formed over the one surface of the transparent display panel and has a moth eye structure; and a second anti-reflective film which is formed over the other surface of the transparent display panel and has a moth eye structure.
    Type: Application
    Filed: November 14, 2012
    Publication date: October 31, 2013
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sang-Ho Kim, Jae-Woo Bae, Hun-Jung Lee
  • Patent number: 8466465
    Abstract: Disclosed is a thin film transistor which has an oxide semiconductor as an activation layer, a method of manufacturing the same and a flat panel display device having the same. The thin film transistor includes an oxide semiconductor layer formed on a substrate and including a channel region, a source region and a drain region, a gate electrode insulated from the oxide semiconductor layer by a gate insulating film, and source electrode and drain electrode which are coupled to the source region and the drain region, respectively. The oxide semiconductor layer includes a first layer portion and a second layer portion. The first layer portion has a first thickness and a first carrier concentration, and the second layer portion has a second thickness and a second carrier concentration. The second carrier concentration is lower than the first carrier concentration.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: June 18, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong-Han Jeong, Tae-Kyung Ahn, Jae-Kyeong Jeong, Jin-Sung Park, Hun-Jung Lee, Hyun-Soo Shin, Yeon-Gon Mo
  • Patent number: 8345039
    Abstract: An organic light emitting display device capable of driving transistor threshold voltage compensation, including: pixels positioned in the intersections of scan lines and data lines, wherein each pixel comprises: a first transistor and a fourth transistor, connected at a common node, disposed between an anode of an OLED and a first power supply; a cathode of the OLED connected to a second power supply; a second transistor connected between a gate of the first transistor and a data line, and turned on when a scan signal is supplied to a scan line; a third transistor connected between the common node and the data line, and turned on when a scan signal is supplied to the scan line; a first capacitor connected between the gate of the first transistor and the anode of the OLED; and a second capacitor connected between the anode of the OLED and a predetermined voltage source.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: January 1, 2013
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Moo Choi, Hun-Jung Lee, Su-Young Kim, Dong-Wook Choi
  • Patent number: 8324612
    Abstract: A thin film transistor (TFT), a method of fabricating the TFT, and a flat panel display having the TFT, wherein the TFT includes a substrate; a gate electrode provided on the substrate; a gate insulating layer provided on the gate electrode; a source electrode and a drain electrode provided on the gate insulating layer and insulated from the gate electrode; and an organic semiconductor layer contacting the source and drain electrodes and insulated from the gate electrode.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: December 4, 2012
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hun-Jung Lee, Jae-Bon Koo
  • Patent number: 8222631
    Abstract: An organic thin film transistor in which source and drain electrodes have a double layer structure to aid patterning of an organic semiconductor layer using a laser beam, and a flat display device having the organic thin film transistor. The organic thin film transistor includes: a gate electrode; a source electrode and a drain electrode insulated from the gate electrode; an organic semiconductor layer insulated from the gate electrode and having a portion patterned to electrically connect to the source and drain electrodes; and a protection layer formed on the source and drain electrodes.
    Type: Grant
    Filed: August 23, 2006
    Date of Patent: July 17, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hun-Jung Lee, Taek Ahn
  • Patent number: 8144086
    Abstract: An organic light emitting display device having a pixel unit including a plurality of scan lines, data lines and pixel power lines arranged in a matrix type and forming respective sub pixels in an intersection region of the plurality of scan lines, data lines and pixel power lines; a thin film transistor including a pad unit receiving signals to drive driving the respective sub pixels, a scan driver and a data driver supplying the signals to the plurality of scan lines and data lines through the pad unit, and non-pixel unit formed with a power supply line supplying power to the pixel powers line, the sub-pixel including an oxide semiconductor layer; a capacitor having a lower electrode and an upper electrode formed of a transparent conductive material; and an organic light emitting element electrically coupled to the thin transistor and disposed on the capacitor.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: March 27, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hun-Jung Lee, Ki-Nyeng Kang, Yeon-Gon Mo
  • Patent number: 8130174
    Abstract: The present invention relates to an organic electroluminescent display device for preventing a voltage drop and a short between power supply elements by simultaneously forming a reflective film and a power supply element using a low resistance metal. The invention provides an organic electroluminescent display device comprising gate lines, data lines and a power supply element formed on an insulating substrate, a pixel region limited by the gate lines, the data lines and the power supply element, and pixels arranged on the pixel region and comprising of a reflective film and a pixel electrode, wherein the reflective film is formed on the same layer as the power supply element.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: March 6, 2012
    Assignee: Samsung Mobile Display Co., Ltd.
    Inventors: Hun-Jung Lee, Jae-Bon Koo, Sang-Il Park