Patents by Inventor Sun Hwa Lee

Sun Hwa 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).

  • Display device and manufacturing method thereof
    Patent number: 9601526
    Abstract: A display device is provided. A substrate includes a thin film transistor. A pixel electrode is connected to the thin film transistor. A common electrode is formed on the pixel electrode. A microcavity including liquid crystal molecules is interposed between the pixel electrode and the common electrode. A roof layer is formed on the common electrode. The roof layer includes at least one protrusion. A support member is formed under the at least one protrusion and in a column shape. The support member is surrounded by the liquid crystal molecules. An overcoat is formed on the roof layer and a side of the microcavity.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: March 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Tae Woo Lim
  • Optical member, display device having the same and method for fabricating the same
    Patent number: 9594203
    Abstract: Disclosed are an optical member, a display device including the same, and a method of fabricating the same. The optical member includes a barrier film; an adhesive layer bonded onto the barrier film and including a plurality of wavelength conversion particles and an adhesive; and a detachable film detachably attached onto the adhesive layer.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: March 14, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sun Hwa Lee
  • Liquid crystal lens comprising first, second, and third lens electrodes and stereoscopic display device including the same
    Patent number: 9588349
    Abstract: A liquid crystal lens includes a first lens electrode, a second lens electrode, bus lines, and a contact portion. The first lens electrode is disposed in at least a display area of the liquid crystal lens. The second lens electrode is disposed in at least the display area. The bus lines are disposed in a peripheral area of the liquid crystal lens, the peripheral area being disposed outside the display area, the first lens electrode and the second lens electrode being connected to respective ones of the bus lines. The contact portion overlaps the bus lines and electrically connects the respective bus lines to the first lens electrode and the second lens electrode.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: March 7, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Se-Young Song, Kwang-Chul Jung, Mee-Hye Jung, Sun-Hwa Lee, In-Jae Hwang
  • Display device having roof layers and manufacturing method of the display device
    Patent number: 9575372
    Abstract: A display device may include a first subpixel electrode; a first roof layer; a first liquid crystal layer disposed between the first subpixel electrode and the first roof layer; and a first support member overlapping a first end portion of the first roof layer in a first direction. The display device may further include a second subpixel electrode immediately neighboring the first subpixel electrode; a second roof layer; a second liquid crystal layer disposed between the second subpixel electrode and the second roof layer; and a second support member overlapping a first end portion of the second roof layer in the first direction. The first end portion of the first roof layer and the first end portion of the second roof layer may be disposed between a second end portion of the first roof layer and a second end portion of the second roof layer.
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: February 21, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seon Uk Lee, Sung Hwan Won, Dae Ho Lee, Sun Hwa Lee, Kwang-Chul Jung
  • Display device and manufacturing method thereof
    Patent number: 9570474
    Abstract: A display device includes a substrate including a plurality of pixel areas, a thin film transistor disposed on the substrate, a color filter and a light blocking member disposed on the thin film transistor, an insulating layer which is disposed on the color filter and the light blocking member and includes an exposed region through which the light blocking member is exposed, a pixel electrode which is disposed on the insulating layer and is connected to the thin film transistor through a contact hole, a common electrode which is spaced apart from the pixel electrode with a microcavity therebetween, a roof layer disposed on the common electrode, a liquid crystal layer which is filled in the microcavity, and an overcoat which is disposed on the roof layer and configured to seal the microcavity.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ho Yun Byun, Jung Woo Park, Sun Hwa Lee
  • Liquid crystal display and manufacturing method thereof
    Patent number: 9568796
    Abstract: A liquid crystal display includes: a substrate; a thin film transistor on the substrate; a pixel electrode connected with a terminal of the thin film transistor; a microcavity on the pixel electrode, and including a plurality of regions corresponding a pixel area; a liquid crystal layer in the microcavity; a liquid crystal injection hole exposing the microcavity; a common electrode on the microcavity; a supporting member on the common electrode; and a capping layer on the supporting member and covering the liquid crystal injection hole. The pixel electrode is connected with the terminal of the thin film transistor through a contact hole, and the contact hole is within the pixel area.
    Type: Grant
    Filed: May 9, 2013
    Date of Patent: February 14, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se Hyoung Cho, Mee Hye Jung, Sun Hwa Lee, Kwang-Chul Jung, Chong Chul Chai
  • DISPLAY DEVICE
    Publication number: 20170032751
    Abstract: A display device may include the following elements: a plurality of gate lines extending in a first direction; a plurality of data lines extending in a second direction; a gate driver configured for applying gate signals to the gate lines; a data driver configured for applying data voltages to the data lines; a plurality of pixels electrically connected to the plurality of gate lines and the plurality of data lines; and a control wire set that traverses overlaps an area of a first pixel of the plurality of pixels, electrically interconnects the gate driver and the data driver, and is configured to transmit a control signal from the data driver to the gate driver.
    Type: Application
    Filed: February 11, 2016
    Publication date: February 2, 2017
    Inventors: Kwang-Chul JUNG, Sun Hwa LEE, Il Gon KIM, Sang-Uk LIM, Jun Ki JEONG
  • TOUCH PANEL FOR IMPROVING CROSS STRUCTURE OF SENSING PATTERN
    Publication number: 20170024042
    Abstract: The present invention relates to a touch panel having pen touch and electrode touch functions. Specifically, the present invention relates to a touch panel, which can enhance visibility of a view area and simplify the process of manufacturing the touch panel by improving wiring of sensing patterns for pen touch and arranging overlap structures, which are created as the sensing patterns cross each other, in a separate area other than the view area.
    Type: Application
    Filed: October 15, 2014
    Publication date: January 26, 2017
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Seongsu OEM, Young Sun YOU, Sun Hwa LEE, Kwang Yong JIN, Yongjae CHOI
  • Touch panel having intersection structures for sensing patterns
    Patent number: 9547405
    Abstract: A touch panel may have a pen touch and electrode touch function. More specifically, a touch panel may be capable of improving visibility of a view area and also simplifying a panel fabrication process by improving the wires of sensing patterns for a pen touch and disposing an overlap structure occurring between intersecting sensing patterns in a separate region other than a view area.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: January 17, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Seong Su Oem, Young Sun You, Sun Hwa Lee, Kwang Yong Jin, Yongjae Choi
  • Liquid crystal display
    Patent number: 9529235
    Abstract: A liquid crystal display for improving transmittance includes: a first substrate; and a pixel electrode provided on the first substrate and including a first sub-pixel electrode and second sub-pixel electrode configured to receive different voltages, wherein the first sub-pixel electrode includes a T-shaped stem including a first horizontal stem and a first vertical stem and a first fine branch extending from the T-shaped stem, and the second sub-pixel electrode includes a cross-shaped stem including a second horizontal stem and a second vertical stem and a second fine branch extending from the cross-shaped stem.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: December 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Mee Hye Jung
  • Display device
    Patent number: 9488888
    Abstract: A display device improves horizontal crosstalk and an aperture ratio, and includes: a substrate; a gate line and a data line formed on the substrate; a thin film transistor connected to the gate line and the data line; a pixel electrode connected to the thin film transistor; a light block overlapping the thin film transistor on the pixel electrode; a light block passivation layer overlapping the thin film transistor and the data line on the light block; a common electrode formed on the pixel electrode, spaced apart from the pixel electrode with a plurality of microcavities interposed therebetween; a roof layer formed on the common electrode; an injection hole exposing a part of each of the plurality of microcavities; a liquid crystal layer filling the plurality of microcavities; and an encapsulation layer formed on the roof layer covering the injection hole to seal the microcavity.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: November 8, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sun Hwa Lee, Kwang-Chul Jung, Se Young Song, Mee Hye Jung, In-Jae Hwang
  • Liquid crystal display device
    Patent number: 9477125
    Abstract: A liquid crystal display includes a substrate including a plurality of pixels, each pixel having a first sub-pixel and a second sub-pixel; a pixel electrode including a first pixel electrode formed in a region corresponding to the first sub-pixel and a second pixel electrode formed in a region corresponding to the second sub-pixel on the substrate; a common electrode including a first common electrode formed to be spaced from the first pixel electrode and a second common electrode formed to be spaced from the second pixel electrode on the substrate; and a thin film transistor formed on the substrate to be electrically connected to the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: October 25, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang Chul Jung, Sun Hwa Lee, Mee Hye Jung
  • Display device and driving method thereof
    Patent number: 9454938
    Abstract: A display device includes a first pixel connected to a gate line, a data line, and a storage line for transmitting a storage signal of which a voltage level is changed at least once for one frame. The first pixel includes first, second, and third subpixels. The first subpixel includes a first switching element connected to the gate and data lines, a first liquid crystal capacitor connected to the first switching element, and a first storage capacitor. The second subpixel includes a second switching element connected to the gate and data lines, a second liquid crystal capacitor connected to the second switching element, and a second storage capacitor. The third subpixel includes a third switching element connected to the gate and data lines, and a third liquid crystal capacitor connected to the third switching element. The first and second storage capacitors are connected to the storage line.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: September 27, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwang-Chul Jung, Sun Hwa Lee, Mee Hye Jung
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20160238904
    Abstract: A liquid crystal display includes: a first substrate; and pixel electrodes disposed on the first substrate, each of the pixel electrodes including: a stem including a first stem and a second stem perpendicularly crossing each other; and a plurality of branch electrodes extending from the stem, wherein one of the first stem of and the second stem of each pixel electrode has a different width corresponding to a location of pixel electrodes on the display.
    Type: Application
    Filed: February 15, 2016
    Publication date: August 18, 2016
    Inventors: Sun Hwa LEE, Kwang-Chul JUNG, Mee-Hye JUNG
  • DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20160223851
    Abstract: A display device includes: a substrate including a plurality of pixels formed in row and column directions; a thin film transistor disposed on the substrate, and a pixel electrode connected to the thin film transistor; a first liquid crystal layer filled inside a microcavity formed on the pixel electrode; a plurality of roof layers formed to be separated from the pixel electrode with the microcavity and an injection hole therebetween; and an overcoat formed on the roof layer to cover the injection hole and encapsulate the microcavity. The first liquid crystal layer includes a liquid crystal molecule and a color material. It is possible to simplify a structure of the display device and reduce the number of manufacturing processes thereof by adding a color material to a liquid crystal material of the display device manufactured with a single substrate such that a color filter may be removed.
    Type: Application
    Filed: November 30, 2015
    Publication date: August 4, 2016
    Inventors: Sun Hwa LEE, Sang-Uk LIM, Mee Hye JUNG
  • LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    Publication number: 20160223858
    Abstract: A liquid crystal display includes: a first substrate; a second substrate facing the first substrate; a liquid crystal layer formed between the first substrate and the second substrate; and a first color pixel area, a second color pixel area, a third color pixel area, and a fourth color pixel area, wherein the first, second, third, and fourth color pixel areas are formed on one of the first substrate and the second substrate. The first, second, and third color pixel areas respectively include one of a red filter, a green filter, and a blue filter, and the fourth color pixel area includes a white filter. A cross-section of the white filter has a parabolic shape or a semicircular shape.
    Type: Application
    Filed: October 29, 2015
    Publication date: August 4, 2016
    Inventors: Sang-Uk LIM, Seok Kyu YOON, Sun Hwa LEE
  • LIQUID CRYSTAL DISPLAY HAVING SHAPED COLOR FILTERS
    Publication number: 20160223859
    Abstract: An exemplary embodiment of the present invention provides a liquid crystal display, including: a first substrate; a second substrate facing the first substrate; a liquid crystal layer formed between the first substrate and the second substrate; and a first color pixel area, a second color pixel area, and a third color pixel area formed on the first substrate or the second substrate, wherein the first, second, and third color pixel areas respectively include one of a red filter, a green filter, and a blue filter, and a cross-section of the blue filter has an at least approximately parabolic or semicircular shape. According to exemplary embodiments of the present invention, it is possible to prevent excessively yellow images and improve luminance thereof by changing a shape of a blue color filter included in the liquid crystal display.
    Type: Application
    Filed: November 6, 2015
    Publication date: August 4, 2016
    Inventors: Sun Hwa LEE, Sang-Uk LIM
  • OPTICAL MEMBER, DISPLAY DEVICE INCLUDING THE SAME AND MANUFACTURING METHOD THEREOF
    Publication number: 20160209553
    Abstract: Disclosed are an optical member, a display device including the same and a method of manufacturing the same. The optical member includes a wavelength conversion layer; and a capping part covering lateral sides of the wavelength conversion layer. The capping part includes an organic substance and an inorganic substance to improve the sealing function of the wavelength conversion layer.
    Type: Application
    Filed: March 28, 2016
    Publication date: July 21, 2016
    Applicant: LG INNOTEK CO., LTD.
    Inventors: Sun Hwa LEE, Jeong Taek OH, Gwang Hei CHOI
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20160209712
    Abstract: A liquid crystal display for improving transmittance includes: a first substrate; and a pixel electrode provided on the first substrate and including a first sub-pixel electrode and second sub-pixel electrode configured to receive different voltages, wherein the first sub-pixel electrode includes a T-shaped stem including a first horizontal stem and a first vertical stem and a first fine branch extending from the T-shaped stem, and the second sub-pixel electrode includes a cross-shaped stem including a second horizontal stem and a second vertical stem and a second fine branch extending from the cross-shaped stem.
    Type: Application
    Filed: June 11, 2015
    Publication date: July 21, 2016
    Inventors: Sun Hwa LEE, Kwang-Chul JUNG, Mee Hye JUNG
  • LIQUID CRYSTAL DISPLAY
    Publication number: 20160202583
    Abstract: A liquid crystal display including a plurality of gate lines and a plurality of data lines that is insulated from and cross the plurality of gate lines, and a plurality of unit pixels connected to the plurality of gate lines and the plurality of data lines, wherein the plurality of unit pixel includes a first pixel at row 1 and column 1, a second pixel at row 1 and column 2, a third pixel at row 2 and column 1, and a fourth pixel at row 2 and column 2, a first gate line and a second gate line are disposed in parallel to each other between the first pixel and the third pixel and between the second pixel and the fourth pixel, and the first gate line is connected to the first pixel and the third pixel at different neighboring rows, and the second gate line is connected to the second pixel and the fourth pixel at different neighboring rows.
    Type: Application
    Filed: July 2, 2015
    Publication date: July 14, 2016
    Inventors: Kwang-Chul JUNG, Sun Hwa LEE, Sang-Uk LIM, Mee Hye JUNG