Patents by Inventor Yi-Joon Ahn

Yi-Joon Ahn 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: 10679538
    Abstract: A haptic display device is disclosed. In one aspect, the device includes a plurality of scan lines disposed over a substrate and configured to transfer a scan signal and a plurality of data lines electrically insulated from the scan lines and configured to transfer a data signal, wherein the data lines cross the scan lines. The device also includes a plurality of haptic control lines electrically insulated from the scan lines or the data lines and configured to transfer a haptic signal and a thin film transistor electrically connected to the scan lines and the data lines, wherein the thin film transistor is formed in each of a plurality of pixels. The device further includes a first electrode electrically connected to the thin film transistor, a second electrode facing the first electrode and an optical adjustment member disposed between the first and second electrodes.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Seok Yeo, Yi-Joon Ahn
  • Patent number: 10243026
    Abstract: A display device may include a pixel and a light shutter. The pixel may include a first region and a second region. The light shutter may be disposed in the second region. The light shutter may include a first electrode, a heat generation layer disposed on the first electrode, and a phase change layer disposed on the heat generation layer. The phase change layer may include a phase change material of which optical property is changed depending on temperature.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: March 26, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Rang-Kyun Mok, Yi-Joon Ahn
  • Patent number: 10134365
    Abstract: An image processing method and image processing device for performing the same are disclosed. In one aspect, the image processing method includes transmitting a content image having a visual condition to a display unit. The method also includes periodically changing the visual condition from a first visual condition to a second visual condition according to a modulation timing such that the content image to be displayed after the modulation timing has the second visual condition different from the first visual condition before commencement of the modulation timing.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Hoon Lee, Il-Nam Kim, Jong-In Baek, Yi-Joon Ahn, Won-Sang Park
  • Patent number: 10116912
    Abstract: A method of display an image and a display device for performing the same are disclosed. In one aspect, the method includes receiving image data for a content image, determining a modulation region and a peripheral region in the content image and generating a left-eye content image and a right-eye content image based on the image data for the content image such that the modulation region has a three-dimensional depth. The method further includes displaying the left-eye content image and the right-eye content image and periodically changing the three-dimensional depth of the modulation region by changing a modulation distance between the modulation region in the left-eye content image and the modulation region in the right-eye content image based at least in part on a periodic modulation reference timing.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: October 30, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Hoon Lee, Hak-Sun Kim, Jong-In Baek, Yi-Joon Ahn
  • Publication number: 20180165999
    Abstract: A haptic display device is disclosed. In one aspect, the device includes a plurality of scan lines disposed over a substrate and configured to transfer a scan signal and a plurality of data lines electrically insulated from the scan lines and configured to transfer a data signal, wherein the data lines cross the scan lines. The device also includes a plurality of haptic control lines electrically insulated from the scan lines or the data lines and configured to transfer a haptic signal and a thin film transistor electrically connected to the scan lines and the data lines, wherein the thin film transistor is formed in each of a plurality of pixels. The device further includes a first electrode electrically connected to the thin film transistor, a second electrode facing the first electrode and an optical adjustment member disposed between the first and second electrodes.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 14, 2018
    Inventors: Yong-Seok Yeo, Yi-Joon Ahn
  • Patent number: 9934711
    Abstract: A haptic display device is disclosed. In one aspect, the device includes a plurality of scan lines disposed over a substrate and configured to transfer a scan signal and a plurality of data lines electrically insulated from the scan lines and configured to transfer a data signal, wherein the data lines cross the scan lines. The device also includes a plurality of haptic control lines electrically insulated from the scan lines or the data lines and configured to transfer a haptic signal and a thin film transistor electrically connected to the scan lines and the data lines, wherein the thin film transistor is formed in each of a plurality of pixels. The device further includes a first electrode electrically connected to the thin film transistor, a second electrode facing the first electrode and an optical adjustment member disposed between the first and second electrodes.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: April 3, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yong-Seok Yeo, Yi-Joon Ahn
  • Publication number: 20180012968
    Abstract: A thin film transistor substrate includes a data line, a gate line, a gate electrode, a source electrode, a first drain electrode, a semiconductor layer and a second drain electrode. The data line and the gate line cross each other on a base substrate. The gate electrode is electrically connected to the gate line. The source electrode is electrically connected to the data line. The first drain electrode and the source electrode face each other. The semiconductor layer serves as a channel between the source electrode and the first drain electrode. The second drain electrode is disposed on the first drain electrode. The second drain electrode is electrically connected to the first drain electrode.
    Type: Application
    Filed: September 5, 2017
    Publication date: January 11, 2018
    Inventors: Yong-Suk YEO, Yi-Joon AHN, Jong-Mo YEO
  • Patent number: 9786750
    Abstract: A thin film transistor substrate includes a data line, a gate line, a gate electrode, a source electrode, a first drain electrode, a semiconductor layer and a second drain electrode. The data line and the gate line cross each other on a base substrate. The gate electrode is electrically connected to the gate line. The source electrode is electrically connected to the data line. The first drain electrode and the source electrode face each other. The semiconductor layer serves as a channel between the source electrode and the first drain electrode. The second drain electrode is disposed on the first drain electrode. The second drain electrode is electrically connected to the first drain electrode.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: October 10, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong-Suk Yeo, Yi-Joon Ahn, Jong-Mo Yeo
  • Publication number: 20170199400
    Abstract: A display device may include a pixel and a light shutter. The pixel may include a first region and a second region. The light shutter may be disposed in the second region. The light shutter may include a first electrode, a heat generation layer disposed on the first electrode, and a phase change layer disposed on the heat generation layer. The phase change layer may include a phase change material of which optical property is changed depending on temperature.
    Type: Application
    Filed: August 15, 2016
    Publication date: July 13, 2017
    Inventors: Rang-Kyun MOK, Yi-Joon AHN
  • Publication number: 20170069296
    Abstract: An image processing method and image processing device for performing the same are disclosed. In one aspect, the image processing method includes transmitting a content image having a visual condition to a display unit. The method also includes periodically changing the visual condition from a first visual condition to a second visual condition according to a modulation timing such that the content image to be displayed after the modulation timing has the second visual condition different from the first visual condition before commencement of the modulation timing.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Inventors: Chang-Hoon Lee, II-Nam Kim, Jong-In Baek, Yi-Joon Ahn, Won-Sang Park
  • Patent number: 9552795
    Abstract: An image processing method and image processing device for performing the same are disclosed. In one aspect, the image processing method includes transmitting a content image having a visual condition to a display unit. The method also includes periodically changing the visual condition from a first visual condition to a second visual condition according to a modulation timing such that the content image to be displayed after the modulation timing has the second visual condition different from the first visual condition before commencement of the modulation timing.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: January 24, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Hoon Lee, Il-Nam Kim, Jong-In Baek, Yi-Joon Ahn, Won-Sang Park
  • Patent number: 9524703
    Abstract: A method of operating an electronic device includes displaying a first image, extracting a user-interested region from a region including the first image, and displaying a bioeffect image at the user-interested region. The first image and bioeffect image are different images.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: December 20, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chang-Hoon Lee, IL-Nam Kim, Jong-In Baek, Yi-Joon Ahn
  • Patent number: 9398368
    Abstract: A display device is disclosed. In one aspect, the device includes a display module, a first cover configured to support the display module and a second cover placed opposed to the first cover and selectively detachably coupled to the first cover. The device also includes a volume changer configured to connect the first and second covers and define an inner space, having a volume, with the first and second covers, wherein the volume changer has an adjustable length extending from the second cover to the first cover, and wherein the volume changer is configured to change the volume of the inner space when the length is adjusted. The device further includes at least one exciter mounted in the inner space and configured to generate sound.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: July 19, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Rang-Kyun Mok, Yi-Joon Ahn, Jong-In Baek, Tae-Hee Lee
  • Patent number: 9295168
    Abstract: A flexible display device includes a flexible display unit configured to display images, and a slap portion on the flexible display unit, the slap portion having a curvature and being configured to bend together with the flexible display unit.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: March 22, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jong-In Baek, Yi-Joon Ahn
  • Patent number: 9252384
    Abstract: An organic light emitting device includes a substrate, a first electrode disposed on the substrate, a first organic layer pattern disposed on the first electrode, an auxiliary electrode pattern alternately disposed with the first organic layer pattern, and including an upper insulation layer, a lower insulation layer, and an auxiliary electrode disposed therebetween, a light emitting layer disposed on the first organic layer pattern and the auxiliary electrode pattern, a second organic layer disposed on the light emitting layer and a second electrode disposed on the second organic layer.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: February 2, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki-Seo Kim, Dae-Sung Choi, Yi-Joon Ahn, Won-Sang Park
  • Publication number: 20160021366
    Abstract: A method of display an image and a display device for performing the same are disclosed. In one aspect, the method includes receiving image data for a content image, determining a modulation region and a peripheral region in the content image and generating a left-eye content image and a right-eye content image based on the image data for the content image such that the modulation region has a three-dimensional depth. The method further includes displaying the left-eye content image and the right-eye content image and periodically changing the three-dimensional depth of the modulation region by changing a modulation distance between the modulation region in the left-eye content image and the modulation region in the right-eye content image based at least in part on a periodic modulation reference timing.
    Type: Application
    Filed: March 18, 2015
    Publication date: January 21, 2016
    Inventors: Chang-Hoon LEE, Hak-Sun KIM, Jong-In BAEK, Yi-Joon AHN
  • Patent number: 9232571
    Abstract: A flexible display device includes a flexible display panel, a plurality of supports on a first surface of the flexible display panel, the plurality of supports being spaced apart from each other, and an actuator on the first surface of the flexible display panel, the actuator being between the supports. The actuator includes an electroactive polymer layer, and a first electrode layer and a second electrode layer that are respectively arranged on an upper surface and a lower surface of the electroactive polymer layer, and the actuator having a property such that when a voltage is applied to the first electrode layer and the second electrode layer, an area of the electroactive polymer layer is changed.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi-Joon Ahn, Katsumasa Yoshii, Jong-In Baek, Dae-Sung Choi, Yong-Seok Yeo, Ki-Seo Kim
  • Publication number: 20150373451
    Abstract: A display device is disclosed. In one aspect, the device includes a display module, a first cover configured to support the display module and a second cover placed opposed to the first cover and selectively detachably coupled to the first cover. The device also includes a volume changer configured to connect the first and second covers and define an inner space, having a volume, with the first and second covers, wherein the volume changer has an adjustable length extending from the second cover to the first cover, and wherein the volume changer is configured to change the volume of the inner space when the length is adjusted. The device further includes at least one exciter mounted in the inner space and configured to generate sound.
    Type: Application
    Filed: December 11, 2014
    Publication date: December 24, 2015
    Inventors: Rang-Kyun Mok, Yi-Joon Ahn, Jong-In Baek, Tae-Hee Lee
  • Publication number: 20150356954
    Abstract: A method of operating an electronic device includes displaying a first image, extracting a user-interested region from a region including the first image, and displaying a bioeffect image at the user-interested region. The first image and bioeffect image are different images.
    Type: Application
    Filed: January 5, 2015
    Publication date: December 10, 2015
    Inventors: Chang-Hoon LEE, IL-Nam KIM, Jong-In BAEK, Yi-Joon AHN
  • Publication number: 20150340012
    Abstract: An image processing method and image processing device for performing the same are disclosed. In one aspect, the image processing method includes transmitting a content image having a visual condition to a display unit. The method also includes periodically changing the visual condition from a first visual condition to a second visual condition according to a modulation timing such that the content image to be displayed after the modulation timing has the second visual condition different from the first visual condition before commencement of the modulation timing.
    Type: Application
    Filed: December 5, 2014
    Publication date: November 26, 2015
    Inventors: Chang-Hoon Lee, II-Nam Kim, Jong-In Baek, Yi-Joon Ahn, Won-Sang Park