Patents Assigned to LG Display Co., Ltd.
  • Patent number: 10353122
    Abstract: A display device includes a light source to generate a beam of a first color. The display device also includes a display panel having at least one pixel including a first color sub-pixel, a second color sub-pixel, and a third color sub-pixel, wherein the second color sub-pixel is configured to generate a beam of the second color by reacting with the beam of the first color, the third color sub-pixel is configured to generate a beam of the third color by reacting with the beam of the first color, and the first color sub-pixel is configured to allow the beam of the first color to pass therethrough. The display device further includes a beam path converter disposed between the light source and the display panel to direct the beam of the first color from the light source toward the display panel.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventor: Joungwon Woo
  • Patent number: 10355061
    Abstract: An organic light emitting display device includes a substrate including a pixel region and a non-pixel region; a first electrode over the substrate in the pixel region; an organic emitting layer over the first electrode in the pixel region; a bank over the substrate in the non-pixel region; an auxiliary conductive line covered by the bank in the non-pixel region, a thickness of the auxiliary line larger than a thickness of the first electrode; and a second electrode on the organic emitting layer in the pixel region and on the bank in the non-pixel region, the second electrode electrically connected to the auxiliary conductive line.
    Type: Grant
    Filed: June 29, 2016
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Jong-Hoon Yeo, Seung-Han Paek, Hyo-Dae Bae, Young-Mu Oh, Jeong-Won Lee, Heon-Il Song
  • Patent number: 10355234
    Abstract: An organic light emitting diode includes: a first electrode including a concave part or a convex part; an organic light emitting layer disposed on the first electrode; and a second electrode disposed on the organic light emitting layer.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Yong-Hoon Choi, Won-Hoe Koo, Jin-Tae Kim, Soo-Kang Kim, Ji-Hyang Jang
  • Patent number: 10354605
    Abstract: A liquid crystal display and a method for manufacturing the same capable of reducing a bezel are disclosed. The liquid crystal display includes a display panel including vertical lines, horizontal lines, and pixels and a driver integrated circuit (IC) supplying a data voltage and a gate pulse to the pixels through the vertical lines. The vertical lines include vertical data lines to which the data voltage is supplied, vertical gate lines to which the gate pulse is supplied, and vertical common voltage lines to which a common voltage is supplied. The horizontal lines include horizontal gate lines which are connected to the vertical gate lines and receive the gate pulse through the vertical gate lines.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Minjic Lee, Seeung Lee, Byunghyun Lee
  • Patent number: 10355231
    Abstract: An organic light emitting display device comprises two emission portions between first and second electrodes, wherein at least one among the two emission portions includes two emitting layers, whereby efficiency and a color reproduction ratio may be improved.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Hoon Pieh, Chang Wook Han, Hong Seok Choi, Ki-Woog Song, So Yeon Ahn, Seung Hyun Kim
  • Patent number: 10353472
    Abstract: The touch sensitive element according to an exemplary embodiment of the present disclosure includes an electroactive layer, an electrode, and a plurality of beads. The electroactive layer includes an electroactive polymer. The electrode is disposed on at least one surface of the electroactive layer. The plurality of beads is dispersed in the electroactive layer and has a diameter larger than the thickness of the electroactive layer.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: TaeHeon Kim, SuSeok Choi, YongSu Ham, YongWoo Lee, KyungYeol Ryu, YuSeon Kho
  • Patent number: 10353126
    Abstract: A polarizing plate and a display device including the same of the present disclosure absorb and disperse an external impact by laminating thin films having different strengths. As described above, according to the present disclosure, instead of a thick cover window, a thin film is used so that thin thickness, light weight, and low cost of the polarizing plate may be achieved. Further, the manufacturing process is simplified and the processing cost is reduced.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: WonKi Park, DaeHeung Lee
  • Patent number: 10353135
    Abstract: Disclosed is a backlight unit for minimizing consumption power in realizing partial luminance. The backlight unit includes a light guide member including a first light incident part and a second light incident part, a first light source unit disposed in the first light incident part, and a second light source unit disposed in the second light incident part. The first light source unit and the second light source unit have different luminous intensities.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Youngki Song, MyungJoon Park
  • Patent number: 10355220
    Abstract: An organic light emitting display device is disclosed. The organic light emitting display device comprising at least one light emitting part between an anode and a cathode and comprising at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound that includes a functional group having at least three or more nitrogen atoms and has high electron mobility, a bridge connected to the functional group, and a substituent substituted at a meta position of the bridge.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: July 16, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Shinhan Kim, Dohan Kim, Hyoseok Kim, Min Yun, Seunghee Yoon
  • Patent number: 10354584
    Abstract: A display device is provided in which each subpixel includes a driving TFT, an organic light-emitting diode, and at least one switching TFT for driving the subpixel. At least one of the driving TFT and the switching TFT is formed as a double-gate TFT having a first gate node and a second gate node, and each subpixel comprises a compensation circuit that senses a threshold voltage of the double-gate TFT and applies the same to the first gate node or the second gate node of the double-gate TFT.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Namyong Gong, Sohee Choi
  • Patent number: 10355062
    Abstract: An organic light emitting display is disclosed. In the disclosure, only one switching TFT among TFTs constituting a pixel is implemented as an NMOS type TFT, and at least some of a driving TFT and the remaining switching TFTs are implemented as a PMOS type TFT. Therefore, the disclosure simplifies TFT process steps and provides an organic light emitting display suitable for realizing a high resolution pixel implementation.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventor: Jaesung Yu
  • Patent number: 10355063
    Abstract: An organic light emitting display panel is discussed, which includes: a data line and a first scan line disposed to intersect each other; a plurality of sub-pixels; a second scan line; a driving voltage line and a reference voltage line; and a plurality of active layers for the plurality of sub-pixels, wherein at least one active layer of at least one sub-pixel among the plurality of sub-pixels overlaps any one of the data line, the driving voltage line, and the reference voltage line, and also overlaps the first or second scan line.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: July 16, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: MoonJung Choi, SungJoon Bae
  • Patent number: 10355066
    Abstract: The present disclosure is provided a display device including a lower substrate, a display area, and a guideline. The display area is disposed on the lower substrate. The guideline includes a guideline disposed in an outer region of the display area. The guideline includes: a first guideline layer disposed on the lower substrate, having separation spaces, and divided into multiple parts; and a second guideline layer disposed on the first guideline layer and divided into multiple parts.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Kyungyun Kang, Jaewoong Youn, Kihyung Lee
  • Patent number: 10355069
    Abstract: An organic light emitting diode display includes a substrate; a buffer layer on the substrate; a scan line running to a horizontal direction on the buffer layer; an intermediate insulating layer covering the scan line; a first trench having a segment shape apart from the scan line with a predetermined distance and exposing some of the substrate by patterning the intermediate insulating layer and the buffer layer; a data line running to a vertical direction on the substrate exposed by the first trench and on the intermediate insulating layer; a passivation layer covering the data line and the scan line; and a color filter filling into the trench and depositing on the passivation layer.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: July 16, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Dosung Kim, Ryosuke Tani
  • Patent number: 10355054
    Abstract: An OLED display device according to an embodiment includes a substrate; a black matrix, in which openings are formed, disposed on the substrate; a color filter layer disposed in the openings; and a transparent insulation layer disposed on the substrate, which is provided with the color filter layer, and configured to include optical patterns which are arranged in a shape of plural polygons. As such, the OLED display device can enhance an output efficiency of light.
    Type: Grant
    Filed: November 9, 2015
    Date of Patent: July 16, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Chang Soo Kim
  • Patent number: 10355232
    Abstract: Disclosed are an organic light emitting display device and a method of manufacturing the same, in which in a white organic light emitting device, an adverse influence of a leakage current leaked through an organic light emitting layer is minimized on an adjacent pixel. The organic light emitting display device includes a first electrode on a substrate, a bank covering a portion of the first electrode, a bank hole provided in the bank, an organic light emitting layer on the first electrode and the bank, and a second electrode on the organic light emitting layer.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: July 16, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: JoonYoung Heo, KyungHoon Lee, Jang Jo
  • Publication number: 20190212591
    Abstract: A method of fabricating a liquid crystal display device includes forming a first alignment layer on a first substrate, forming a second alignment layer on a second substrate, disposing the first substrate and the second substrate such that the first alignment layer and the second alignment layer are spaced apart, forming a liquid crystal layer including liquid crystal molecules between the first alignment layer and the second alignment layer and forming an electrode layer on one of the first substrate and the second substrate, the electrode layer applying an electric field to the liquid crystal molecules along a direction parallel to the first and second substrates, the forming the first alignment layer including applying a copolymer solution including first moieties and second moieties, and the first moieties have affinity with the first substrate, and the second moieties have compatibility with the liquid crystal molecules and heating the first alignment layer.
    Type: Application
    Filed: March 14, 2019
    Publication date: July 11, 2019
    Applicants: LG DISPLAY CO., LTD., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Osamu SATO, Joji KAWAMURA, Masatoshi TOKITA, Junji WATANABE
  • Publication number: 20190215607
    Abstract: Provided are an actuator fixing device and a panel vibration type sound-generating display device including the same. A display device includes: a display panel configured to display an image, a cover bottom configured to cover the display panel, and a plurality of sound-generating actuators supported by the cover bottom, the sound-generating actuators being configured to vibrate the display panel to generate sound, at least two of the sound-generating actuators being adjacent to each other.
    Type: Application
    Filed: March 13, 2019
    Publication date: July 11, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sungtae LEE, KwanHo PARK, YeongRak CHOI, Kwangho KIM, MyungJin BAE
  • Publication number: 20190213952
    Abstract: A display panel including a drive circuit and an image display device using the same are disclosed. The display panel provided with a drive circuit includes a substrate, a plurality of clock lines and a link line, a plurality of switching elements, a plurality of insulation layers, and an image display surface. The clock lines and link line are formed in a link line unit on the substrate. The switching elements are formed in a gate drive circuit region on the substrate. The insulation layers include the plurality of clock lines, the link line, and the plurality of switching elements. The image display surface includes a plurality of sub-pixels formed over the entire surface of the plurality of insulation layers such that an image is displayed thereon.
    Type: Application
    Filed: December 19, 2018
    Publication date: July 11, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Jaehoon Park
  • Patent number: 10347863
    Abstract: Disclosed is an organic light-emitting display device capable of removing a void between a pad area and a display area. The display device having a display area and a non-display area includes a thin-film transistor array, an organic light-emitting array, a touch electrode array, and an adhesive layer between the touch electrode array and the organic light-emitting array. A lower pad portion having lower electrodes is provided in the non-display area of the thin-film transistor array, an upper pad portion having upper electrodes is provided in the non-display area of the touch electrode array, and both the pad portions are bonded to each other by a seal material having one side in contact with the adhesive layer. At least one groove is provided in the non-display area of the thin-film transistor array so as to correspond to the contact area of the seal material and the adhesive layer.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: July 9, 2019
    Assignee: LG Display Co., Ltd.
    Inventor: Do-Man Kim