Interdigited (comb-shaped) Electrodes Patents (Class 349/141)
  • Patent number: 10228594
    Abstract: The present disclosure discloses an array substrate, a display panel and a display device. The array substrate includes gate regions, gate lines, data lines, pixel electrodes and common electrode lines. The common electrode lines and the gate lines have the same extension direction, the pixel electrodes are located in regions defined by adjacent gate lines and adjacent data lines, the gate lines traverse the gate regions in the extension direction that are located in the same row as the gate lines, and the pixel electrodes have a gap from the gate lines at ends thereof closer to the gate lines. As such, a portion of the gate region that extends to the pixel region has a reduced area and hence a reduced edge length. This way, during the cleaning of the active layer after formation, less active layer metal may remain at the edges of the gate region. Thereby, the array substrate fabrication process is improved, and a product yield rate of the array substrate is increased.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: March 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Chong Liu, Wei Wang, Haisheng Zhao, Zhilong Peng, Zhilian Xiao, Huanping Liu
  • Patent number: 10222639
    Abstract: A liquid crystal panel includes oppositely disposed upper and lower substrates having a liquid crystal disposed therebetween. A surface of the upper substrate and a surface of the lower substrate are formed with viewing angle upper and lower electrodes respectively, and a length of the lower electrode is shorter than that of the upper electrode. The upper electrode completely covers projection of the lower electrode on the upper substrate. A region between the upper and lower electrodes includes adjacent main body region and pretilt region, the pretilt region is corresponding to edges of the upper and lower electrodes, and portions of the upper and lower electrodes corresponding to the main body region have same sizes. A liquid crystal display device and a method for improving liquid crystal rotation obstacle further are provided. Accordingly, a response time of viewing angle switching is reduced and viewing angle symmetry is improved.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: March 5, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Chang Xie
  • Patent number: 10216024
    Abstract: The present display device includes a liquid crystal panel having a liquid crystal layer between an array substrate and a facing substrate. The array substrate has an electrode layer having an upper electrode and a lower electrode facing each other in a Z direction, and an opening including a plurality of slits extending in an X direction is formed in the upper electrode and the lower electrode. The liquid crystal layer is provided on the electrode layer, liquid crystal molecules in vicinity regions on one side and the other side of the opening which face each other in a width direction of each slit are oriented as rotating in reverse to each other, and the facing substrate has a conductive layer.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: February 26, 2019
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 10216052
    Abstract: A display device includes a substrate including a plurality of pixels disposed in a display area of the substrate. A non-display area of the substrate is disposed adjacent to the display area. The display device further includes a plurality of gate lines and a plurality of data lines arranged in a matrix form in the display area on the substrate, at least one driver integrated circuit (IC) disposed in the non-display area on the substrate, and a plurality of data fan-out wirings disposed on the substrate and connecting the data lines and the at least one driver IC. Lengths of the data fan-out wirings vary, and the data lines overlap the gate lines more as the lengths of the corresponding data fan-out wirings decrease.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: February 26, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Donghee Shin, Kyungho Kim
  • Patent number: 10216017
    Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a third substrate, a pixel electrode layer, a first common electrode layer, a first control electrode layer, a first liquid crystal layer, a second common electrode layer, a second control electrode layer and a second liquid crystal layer. The second substrate is opposite to the first substrate. The third substrate is opposite to the second substrate. The pixel electrode layer and the first common electrode layer are disposed on the first substrate. The first control electrode layer is disposed on the second substrate. The first liquid crystal layer is disposed between the first substrate and the second substrate. The second common electrode layer is disposed on the second substrate. The second control electrode layer is disposed on the third substrate. The second liquid crystal layer is disposed between the second substrate and the third substrate.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: February 26, 2019
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Wan-Heng Chang, Chen-Feng Fan, Rong-Fu Lin, Sung-Yu Su, Hsiao-Wei Cheng
  • Patent number: 10209593
    Abstract: The present disclosure provides a display panel and a display apparatus. The display panel includes a plurality of array units each including a first pixel array and a second pixel array, each of the first pixel array and the second pixel array has at least one domain tilting direction, and, one row of charging gate line and one row of common gate line are disposed between the first pixel arrays and the second pixel arrays of each row of the array units. A first transistor, a second transistor, a third transistor and an auxiliary liquid crystal capacitor are further disposed between the first pixel array and the second pixel array of each of the array units.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: February 19, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yoonsung Um
  • Patent number: 10209552
    Abstract: The invention provides a PDLC display panel, manufacturing method thereof, and an LCD. The PDLC display panel comprises a PDLC layer, which comprising a plurality of red sub-pixel portions, green sub-pixel portions, and blue sub-pixel portions. The red, green and blue sub-pixel portion is a PDLC film having red, green and blue dye, respectively. The light passing through the red, green, and blue sub-pixel portions of the PDLC layer displays red, green and blue colors respectively. The PDLC display panel is simple in structure, on the premise to achieve color display, eliminating the upper and lower polarizers, polyimide (PI) alignment layer, CF layer and the black matrix, to achieve high light penetration rate and low manufacturing costs, as well as high backlight utilization with the use of quantum dot layer in the CF substrate.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: February 19, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Song Lan, Yungjui Lee, Ji Li, Xiaolong Ma
  • Patent number: 10209590
    Abstract: Provided is a liquid crystal display including: a first substrate; a gate line, a data line, and a common voltage line formed on the first substrate; a first passivation layer formed on the gate line, the data line, and the common voltage line; and a pixel electrode and a common electrode formed on the first passivation layer and overlapping each other with a second passivation layer therebetween, and the common electrode is connected to the common voltage line through a common contact hole, and the common contact hole is disposed for every two or more dots.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Woong Chang, Dong Ho Shin, Yun Tae Lee
  • Patent number: 10203570
    Abstract: An array substrate, a display panel and a display device are disclosed. The array substrate includes: a plurality of gate lines, a plurality of data lines, and a plurality of common electrodes disposed on a base substrate. The plurality of gate lines are extended in a first direction, the plurality of data lines are extended in a second direction. Each of the common electrodes includes an overlap section which overlaps at least one of the data lines in a direction perpendicular to the base substrate. A gap is provided between the overlap sections of two adjacent common electrodes in the second direction, the two adjacent common electrodes overlap the same data lines in the direction perpendicular to the base substrate. An intersection of the data line and the gate line between the two adjacent common electrodes is located within the gap.
    Type: Grant
    Filed: April 7, 2017
    Date of Patent: February 12, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chunping Long
  • Patent number: 10197870
    Abstract: An array substrate and a display device. The array substrate includes an insulating layer, and a first electrode layer and a second electrode layer respectively arranged on two sides of the insulating layer, with a first electrode group being formed by the first electrode layer and the second electrode layer. The first electrode group includes: a first strip pixel electrode and a second strip pixel electrode, where the first pixel electrode and the second pixel electrode are insulated from each other, disposed in the first electrode layer, and applied with different voltages in an operation process; and a first strip common electrode being disposed in the second electrode layer and including a member disposed between the first pixel electrode and the second pixel electrode in a direction from the first pixel electrode to the second pixel electrode.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: February 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Sha Liu
  • Patent number: 10197879
    Abstract: A liquid crystal display device includes: a plurality of scan lines and signal lines on one of a pair of substrates arranged to be opposed to each other with a liquid crystal layer sandwiched therebetween, the scan lines and signal lines extending in different directions; and an orientation film, pixel electrode, insulating layer and common electrode, the orientation film being rubbed in a rubbing direction having a given inclination with respect to a pixel arrangement direction. The pixel electrode is partitioned by the scan lines and signal lines and has subpixels made up of first and second regions. The first region has a plurality of slit-shaped openings having a given inclination in a first direction with respect to the rubbing direction. The second region has a plurality of slit-shaped openings having a given inclination in a second direction with respect to the rubbing direction.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: February 5, 2019
    Assignee: Japan Display Inc.
    Inventors: Daisuke Ito, Hideyuki Omori
  • Patent number: 10197859
    Abstract: A liquid crystal display panel is provided and includes a pair of substrates arranged face to face so as to sandwich a liquid crystal layer, a lower electrode formed on a lower substrate, an upper electrode formed on the lower substrate through an insulating layer, in which plural slits are formed in each sub-pixel, wherein each of the plural slits is formed as an aperture in which both ends thereof in the longitudinal direction are closed, and an alignment film formed so as to cover a surface of the upper electrode and the insulating layer. The plural slits have different widths at both ends of slits in a longitudinal direction, and a rubbing direction of the alignment film is a direction crossing longitudinal edges of each of the slits.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: February 5, 2019
    Assignee: Japan Display Inc.
    Inventors: Aya Yoso, Joji Nishimura, Hayato Kurasawa
  • Patent number: 10185188
    Abstract: The liquid crystal display device of the present invention includes: upper and lower substrates; and a horizontal alignment type liquid crystal layer, the lower substrate including electrodes, the electrodes including a first electrode, a second electrode present in a different layer from the first electrode, and a third electrode present in a different layer from the first electrode, the first electrode including a plurality of linear sections, the second electrode and the third electrode constituting a pair of comb electrodes, each of the comb electrodes including a trunk part and a plurality of branch parts diverging from the trunk part, at least one of the plurality of branch parts of the third electrode including a protruding part that makes the branch part partially wide, between two intersections with a plurality of linear sections of the first electrode in a plan view of the lower substrate.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: January 22, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Satoshi Matsumura, Yosuke Iwata, Mitsuhiro Murata
  • Patent number: 10186217
    Abstract: According to one embodiment, a display device includes a first substrate, a second substrate, a liquid crystal layer, a first alignment film, a pixel electrode, and a common electrode. The liquid crystal layer is disposed between the first substrate and the second substrate. The first alignment film is provided on the first substrate to be in contact with the liquid crystal layer. The pixel electrode is provided on the first substrate and covered with the first alignment film. The common electrode provided on the first substrate to form a lateral electric field. The liquid crystal layer is driven at a frequency of 40 Hz or less. A time constant of the liquid crystal layer is larger than a time constant of the first alignment film.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: January 22, 2019
    Assignee: Japan Display Inc.
    Inventors: Masahiro Kosuge, Yukio Tanaka
  • Patent number: 10175534
    Abstract: A compensation film includes a first retardation layer including a polymer having negative birefringence, and a second retardation layer including a liquid crystal having positive birefringence, where the first retardation layer has an in-plane retardation (Re1) of 320 nm to 1050 nm for incident light having wavelength of 550 nm, the second retardation layer has an in-plane retardation (Re2) of 180 nm to 910 nm for the incident light, an entire in-plane retardation (Re0) of the first and second retardation layers for the incident light is a difference between the in-plane retardations of the first and second retardation layers, an angle between slow axes of the first and second retardation layers is 85 to 95 degrees, and the entire in-plane retardation (Re0) of the first and second retardation layers for the wavelength of 450 nm, 550 nm and 650 nm satisfies Re0 (450 nm)<Re0 (550 nm)<Re0 (650 nm).
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyung Jun Kim, Sang ah Gam, Myung Sup Jung, Hyun-Seok Choi
  • Patent number: 10175537
    Abstract: According to one embodiment, a liquid crystal display device includes second substrates, a light-shielding layer, and a liquid crystal layer. The first substrate includes pixel electrodes, a common electrode, and subpixel areas each including area in which the pixel electrode is present and a second area in which the pixel electrode is not present. Each of the subpixel areas includes first and second sides. The first area includes an axial area and branch areas. The second area includes a gap area between the adjacent branch areas. The axial area includes a projection portion projecting to the second side and in alignment with the gap area, and overlaps the light-shielding layer.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: January 8, 2019
    Assignee: Japan Display Inc.
    Inventor: Toshiharu Matsushima
  • Patent number: 10168583
    Abstract: According to one embodiment, a liquid crystal display device includes an active-element substrate. The active-element substrate includes a display area, a non-display area, an image signal line, an active element including a scanning line and connected to the image signal line, a driving circuit, a common electrode, a first electrode electrically connected to the common electrode and provided in the non-display area, and a second electrode the voltage of which is lower than that of the common electrode, and which is provided in the non-display area. At least part of the second electrode is provided in a different position from that of the first electrode as seen in plan view. The scanning line is provided below the first electrode.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: January 1, 2019
    Assignee: Japan Display Inc.
    Inventors: Genki Asozu, Toshiyuki Higano
  • Patent number: 10169854
    Abstract: The present invention disposes a plurality of measuring marks on a dummy region having a seal line to detect a position and a width of the seal line during a fabrication process of a liquid crystal display device and then process can be terminated without further processes in case of bad quality of the seal line, thereby process delay and cost may be minimized.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: January 1, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: DongChun Kang, JungBum Kim
  • Patent number: 10163936
    Abstract: A display device includes a first substrate; a plurality of gate lines arranged in a row direction on the first substrate; a plurality of data lines arranged in a column direction intersecting the row direction; and a plurality of pixels formed in a plurality of pixel areas defined by the gate and data lines, the plurality of pixels comprising at least a first pixel and a second pixel repectively disposed in a first pixel area and a second pixel area that are immediately adjacent to each other. Each of the first and second pixels comprises a thin film transistor electrically connected to the gate and data lines, and a pixel electrode electrically connected to the thin film transistor. The data lines are disposed-apart by different distances from each other in the column direction.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: December 25, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il Gon Kim, Sun Hwa Lee
  • Patent number: 10163412
    Abstract: A pixel structure is provided. The pixel structure includes a scan line and a data line, an active device, a pixel electrode, and a common electrode. The active device is electrically connected to the scan line and the data line. The pixel electrode is electrically connected to the active device. The common electrode is disposed to overlap with the pixel electrode. The common electrode is coupled to the pixel electrode to form a first storage capacitor and a second storage capacitor. The first storage capacitor and the second storage capacitor commonly use the pixel electrode as an upper electrode.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: December 25, 2018
    Assignee: Au Optronics Corporation
    Inventors: Hung-Che Lin, Cheng-Han Tsao, Sheng-Ju Ho, Shang-Jie Wu
  • Patent number: 10156756
    Abstract: A liquid crystal panel and a pixel structure thereof are described. The pixel structure has a common electrode, a protecting layer, a plurality of pixel electrodes, and a plurality of first channels. The protecting layer is located on the common electrode; the pixel electrodes are located on the protecting layer; and the first channels are located between the neighboring pixel electrodes and pass through the protecting layer, so that the first channels expose a top surface of the common electrode.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: December 18, 2018
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yafeng Li, Xiangyi Peng
  • Patent number: 10151953
    Abstract: An in-plane switching liquid crystal display has a plurality of protrusion electrodes. Each of the protrusion electrodes has a protrusion body with a surface coated with an electrically conductive layer made from a metal oxide. An adhesion-enhancement medium is provided between the electrically conductive layer and the surface of the protrusion body. The adhesion-enhancement medium comprises a metal such as aluminum or molybdenum or a metal alloy containing molybdenum and at least one of niobium, tantalum, titanium, zirconium, tungsten, aluminum and nitride or a metal alloy containing aluminum and at least one of niobium, tantalum, titanium, zirconium, tungsten, molybdenun and nitride. The protrusion body can have the shape of a rectangle, triangle, bell, rectangle with a round top, or a cross sectional area having a top portion with a round or flat head and a bottom portion with a waist portion, smaller than the basewidth.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: December 11, 2018
    Assignee: A. U. Vista, Inc.
    Inventor: Yi-Fen Lan
  • Patent number: 10146074
    Abstract: A liquid crystal device (LCD) and a flexible circuit board are disclosed. The display panel includes a color film substrate, an array substrate, and a liquid crystal layer between the color film substrate and the array substrate. The flexible circuit board is configured for arranging the driving circuit. before the flexible circuit board is bonded, a common voltage of the color film substrate and the common voltage of the array substrate are disconnected. A voltage of the pixel electrode of the array substrate and the common voltage of the color film substrate are independent signals and are independently controllable to form a predetermined voltage difference for aligning the liquid crystal layer between the array substrate and the color film substrate. As such, the voltage difference for aligning the liquid crystal layer between the color film substrate and the array substrate of the self-adjust Vcom LCD may be formed.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: December 4, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Cheng-hung Chen, Jiali Jiang
  • Patent number: 10139685
    Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. The array substrate includes: a base substrate; a plurality of gate lines and a plurality of data lines disposed on the base substrate and configured to define a plurality of pixel regions; pixel electrodes and common electrodes disposed in each pixel region and arranged in different layers; and shielding electrodes being at least formed in regions corresponding to the data lines on the base substrate, being arranged in different layers from the common electrodes, and being not electrically connected with the pixel electrodes and the common electrodes.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: November 27, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yoon Sung Um, Yun Sik Im, Hyun Sic Choi, Hui Li, Yunyun Tian
  • Patent number: 10139686
    Abstract: The embodiment of the present application discloses an array substrate, a liquid crystal display panel, and a display device, with first common electrode compensation lines being arranged within pixel regions which correspond to pixels provided with a minimal transmittance, by which first common electrode compensation lines a common electrode is charged so as to ensure a constant voltage on the common electrode. Moreover, since the first common electrode compensation lines are configured to overlap neither first signal lines nor second signal lines, a repairmen of the first signal lines or the second signal lines will not be adversely affected in case that there is short-circuit or open-circuit thereon. Besides, since the common electrode compensation lines are arranged within pixel regions provided with the lowest transmittance, the influence onto overall transmittance of the display panel is minimized relatively.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: November 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhixiang Zou, Binbin Cao, Chengshao Yang
  • Patent number: 10133128
    Abstract: The present disclosure provides a display substrate including a plurality of first electrodes, a second electrode, and an insulating layer arranged among the first electrodes and the second electrode. The first electrodes are positioned above the second electrode. The second electrode includes a plurality of projections each, corresponding to a gap between two adjacent first electrodes and projecting towards the first electrodes.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: November 20, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Yingtao Wang
  • Patent number: 10133136
    Abstract: An array substrate includes a thin film transistor (1) and a pixel electrode (2) disposed on the thin film transistor; an insulation layer is disposed between the pixel electrode and the thin film transistor, the pixel electrode (2) is connected to a drain electrode (11) of the thin film transistor via a through hole (3) disposed in the insulation layer, the pixel electrode (2) partially covers an edge of the through hole (3) in an orthographic projection direction. The array substrate not only avoids a short circuit between the pixel electrodes, but also properly increases an area of a pixel electrode and the number of and numbers, so that an aperture ratio and a resolution of a display product can be enhanced.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: November 20, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jian Guo
  • Patent number: 10133132
    Abstract: In an IPS mode liquid crystal display device, an interlayer insulating film is formed on a common electrode formed in a planar shape, and a pixel electrode is formed on the interlayer insulating film. The distance between the TFT substrate and the counter substrate is determined by a columnar spaces. The pixel electrode includes one comb-shaped electrode and a contact part. The tip of the comb-shaped, electrode overlaps the columnar spacer as seen in a plan view. The columnar spacer is present in, the area in which an electric field that allows the liquid crystal molecules to rotate backward occurs when a voltage is applied to the pixel electrode, so that the reverse rotation of the liquid crystal molecules does not occur, and it is possible to prevent the domain from occurring.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: November 20, 2018
    Assignee: Japan Display Inc.
    Inventors: Takeshi Sakai, Toshimasa Ishigaki, Satoru Kawasaki
  • Patent number: 10128279
    Abstract: Provided is a display apparatus including a substrate and a semiconductor layer including first and second semiconductor layers. A first gate insulating layer is formed on the semiconductor layer. A first gate wiring overlapping the first semiconductor layer is formed on the first gate insulating layer. A second gate insulating layer is formed on the first gate wiring. A second gate wiring overlapping the second semiconductor layer is formed on the second gate insulating layer. A third gate insulating layer covers the second gate wiring. A driving voltage line intersecting the first and second gate wirings is formed on the third gate insulating layer. A data line intersecting the first and second gate wirings is formed on the third gate insulating layer. A short circuit protection area is formed between the first gate wiring, the second gate wiring, the driving voltage line and the data line.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: November 13, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hyo Jin Kim, Won Kyu Lee, Seung Gyu Tae
  • Patent number: 10126588
    Abstract: A display device can include a thin-film transistor (TFT) array substrate having data lines, gate lines, TFTs formed at intersections of the data and gate lines, a protective layer disposed on the gates lines and the data lines, and a first protrusion protruding from the protective layer. Also, the display device can include a color filter array substrate having first, second and third color filter layers corresponding to first, second and third sub-pixels, respectively, in which overlapping portions among the first, second and third color filer layers include at least two of the first, second and third color filer layers overlapping with each other, and a section of the overlapping portions among the first, second and third color filer layers of the color filter array substrate forms a second protrusion, and the second protrusion overlaps with the first protrusion protruding from the protective layer of the TFT array substrate.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: November 13, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Woo-Jung Byun
  • Patent number: 10128270
    Abstract: The present disclosure relates to a method for manufacturing an active matrix substrate. A first laminated film in which a semiconductor film, a first transparent conductive film, and a first metal film are laminated is formed on a substrate. A photoresist pattern having a first part covering a formation area of a channel part of a thin film transistor, a second part covering a formation area of a pixel electrode, and a third part covering formation areas of a source electrode, a drain electrode, and a source line, is formed on the first laminated film. The first metal film, the first transparent conductive film, and the semiconductor film are patterned using the photoresist pattern; the first part is removed and the first metal film and the first transparent conductive film are patterned; and the second part is removed and the first metal film is patterned.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: November 13, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Nobuaki Ishiga, Kazunori Inoue, Naoki Tsumura, Kensuke Nagayama, Yasuyoshi Ito
  • Patent number: 10126609
    Abstract: A liquid crystal display device according to FFS technology is provided, which sufficiently provides a common electrode with common electric potential and improves an aperture ratio of pixels. A pixel electrode is formed of a first layer transparent electrode. A common electrode made of a second layer transparent electrode is formed above the pixel electrode interposing an insulation film between them. The common electrode in an upper layer is provided with a plurality of slits. The common electrode extends over all the pixels in a display region. An end of the common electrode is disposed on a periphery of the display region and connected with a peripheral common electric potential line that provides a common electric potential Vcom. There is provided neither an auxiliary common electrode line nor a pad electrode, both of which are provided in a liquid crystal display device according to a conventional art.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: November 13, 2018
    Assignee: Japan Display Inc.
    Inventors: Tomohide Onogi, Yasuo Segawa
  • Patent number: 10127881
    Abstract: Provided are a display driving circuit, a display device and a driving method thereof, which are capable of avoiding an influence of a feed through effect on a voltage difference between a pixel electrode and a common electrode and thus improving the quality of a displayed picture. The display driving circuit comprises a gate driving unit for controlling a thin film transistor TFT to be turned on, a source driving unit for outputting a signal to a source of the TFT, and a circuit unit for supplying a power to a common electrode, the circuit unit outputs a first voltage to the common electrode when the TFT is in a turn-on state, and the circuit unit outputs a second voltage to the common electrode when the TFT is in a turn-off state, wherein the first voltage is a voltage different from the second voltage.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: November 13, 2018
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jianming Wang, Liang Zhang, Yizhen Xu
  • Patent number: 10120234
    Abstract: A liquid crystal display apparatus includes a first substrate partitioned into a first region which displays an image and a second region through which external light passes, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first polarizer on one side of the first substrate, and a second polarizer on one side of the second substrate, wherein at least one of the first polarizer and the second polarizer includes an opening positioned in the second region.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: November 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeongho Lee, Hyangyul Kim, Soojung Chae, Junho Song
  • Patent number: 10120251
    Abstract: Provided is a liquid crystal display device including: gate lines formed in a first direction on a second transparent substrate; data lines formed in a second direction; first transparent common electrodes; a protective insulating film; transparent pixel electrodes arranged in the first direction and the second direction and formed so as to be opposed to the first transparent common electrodes on a surface of the protective insulating film; thin film transistors connected to the transparent pixel electrodes; a second transparent common electrode formed on the surface of the protective insulating film; and a liquid crystal layer formed on the protective insulating film, the transparent pixel electrodes, and the second transparent common electrode. The second transparent common electrode covers the gate lines and the data lines through intermediation of the protective insulating film.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: November 6, 2018
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventor: Kikuo Ono
  • Patent number: 10115664
    Abstract: A display panel and a display device are provided. The display panel comprises a first substrate having a step area; a second substrate disposed opposite to the first substrate, wherein the second substrate has a first surface facing the first substrate and an opposite second surface; a Chip On Flex (COF) disposed on the step area of the first substrate and comprising at least one ground pad, wherein the COF has a first surface facing the first substrate and an opposite second surface, and the at least one ground pad is disposed on the second surface of the COF; a conductive layer disposed on the second surface of the second substrate; and a conductive adhesive electrically connected to the conductive layer and the at least one ground pad.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: October 30, 2018
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Guochang Lai, Hongbo Zhou
  • Patent number: 10114256
    Abstract: An array substrate and a liquid crystal display panel are described. The array substrate includes: pixel electrodes and common electrodes, where each of the pixel electrodes and/or the common electrodes includes one or more straight-line portions located in multiple pixel regions defined by the intersection of the scanning lines and the data lines. The straight-line portions in two pixel regions adjacent to each other in an extension direction of the data line are symmetric about an extension direction of the scanning line. The array substrate also includes an alignment layer having an alignment direction substantially perpendicular to the extension direction of the scanning line, and an angle between an extension direction of the straight line portion and the alignment direction of the alignment layer is greater than or equal to 4 degrees and less than or equal to 6 degrees.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: October 30, 2018
    Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Qin Yue, Rong Chen, Boping Shen
  • Patent number: 10108060
    Abstract: A liquid crystal display device includes a thin film transistor substrate having a pixel region and a frame region, and a color filter substrate. The frame region includes a first metal wire that surrounds the outside of the pixel region, and a second metal wire that is formed so as to surround the outside of the first metal wire. The first metal wire has at least one slit at an area overlapping with a seal material.
    Type: Grant
    Filed: August 7, 2017
    Date of Patent: October 23, 2018
    Assignee: Japan Display Inc.
    Inventors: Kenji Kitajima, Ryouhei Suzuki
  • Patent number: 10108056
    Abstract: A pixel electrode is configured of one comb tooth portion and a contact portion whose width is widened from the end portion of the comb tooth portion in a first direction that is the extending direction of a scanning line. The width of the contact portion is not expanded in a direction opposite to the first direction, and the production of a domain is prevented. A picture signal line is bent in the direction in which the width of the contact portion of the pixel electrode is widened, so that the comb tooth portion of the pixel electrode can be disposed in the center between the picture signal lines, and the width of the contact portion can be formed in a sufficient width in the direction in which the picture signal line is bent. Thus, the contact margin of the pixel electrode can be provided.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: October 23, 2018
    Assignee: Japan Display Inc.
    Inventors: Hidetatsu Nakamura, Osamu Itou, Takeshi Sakai
  • Patent number: 10101625
    Abstract: The display device includes a first substrate provided with a driver circuit region that is located outside and adjacent to a pixel region and includes at least one second transistor which supplies a signal to the first transistor in each of the pixels in the pixel region, a second substrate facing the first substrate, a liquid crystal layer between the first substrate and the second substrate, a first interlayer insulating film including an inorganic insulating material over the first transistor and the second transistor, a second interlayer insulating film including an organic insulating material over the first interlayer insulating film, and a third interlayer insulating film including an inorganic insulating material over the second interlayer insulating film. The third interlayer insulating film is provided in part of an upper region of the pixel region, and has an edge portion on an inner side than the driver circuit region.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: October 16, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yasuharu Hosaka, Yukinori Shima, Kenichi Okazaki, Shunpei Yamazaki
  • Patent number: 10103214
    Abstract: A display device is disclosed. In one aspect, the device includes a plurality of pixels arranged in rows and columns, each pixel including a transistor that includes first and second electrodes in a column direction, and a channel curved between the first and second electrodes, and a capacitor overlapping the transistor. The device also includes a first data line connected to at least one first pixel in an odd row of the pixels arranged in the columns, and overlapping a first electrode of a transistor of the first pixel and a second data line connected to at least one second pixel in an even row of the pixels arranged in the columns, and overlapping a first electrode of a transistor of the second pixel. The first and second data lines are arranged in the columns and are parallel to one another.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: October 16, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Iljoo Kim, Mukyung Jeon, Heerim Song
  • Patent number: 10101838
    Abstract: The invention provides a touch display panel and an electronic device, with the positions of pixel electrode layer and common electrode layer at the side of array substrate in conventional touch display panel changed; wherein common electrode layer (21) as touch sensor is changed to the top, and pixel electrode layer (16) is changed to below common electrode layer (21). Pixel electrode (16) is connected to source/drain (145) of TFT (14) via first through hole (V1) penetrating planarization layer (15), which requiring only to drill planarization layer without the need to drill both the protective layer and planarization layer as in prior art to achieve connecting pixel electrode to TFT. The invention saves a mask, a drilling process and production cost and improves production efficiency. Moreover, placing common electrode (21) as touch sensor at the top facilitates optimizing sensitivity and SNR, thereby improves touch performance and product quality.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: October 16, 2018
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Hongsen Zhang, Yaoli Huang
  • Patent number: 10088723
    Abstract: The present invention provides a pixel structure, comprising scan lines, data lines and pixel areas, and the scan lines are separately arranged in parallel along a horizontal direction, and the data lines are separately arranged in parallel along a vertical direction, and the scan lines and the data lines overlap with each other to form the pixel areas, and the pixel structure further comprises a connection electrode employed to coupled to pixel areas, and the connection electrode comprises a first connection layer and a second connection layer, and the first connection layer is in the same pattern layer with the scan lines and intersects with the scan lines, and the first connection layer at an intersecting position with the scan line is disconnected, and the second connection layer is in the same pattern layer with the data lines and crosses with the scan lines.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: October 2, 2018
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Xing Ming, Zhiyuan Shen
  • Patent number: 10088714
    Abstract: A liquid crystal display device includes a substrate having pixel regions and a counter substrate opposed thereto. One of the pixel regions is defined by a pair of gate lines extending in a first direction and a pair of data lines extending in a second direction. A first insulating layer is disposed on the substrate corresponding to the pixel region. A first common electrode is continuously disposed on the first insulating layer and overlaps the data lines. A pixel electrode pattern is disposed above the first common electrode. A second insulating layer is interposed between the first common electrode and the pixel electrode pattern. A second common electrode is disposed above one of the data lines and electrically connected to the first common electrode. A projection of the second common electrode on the substrate overlaps a projection of the one of the data lines on the substrate.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: October 2, 2018
    Assignees: INNOCOM TECHNOLOGY (SHENZHEN) CO., LTD., INNOLUX CORPORATION
    Inventor: Minoru Shibazaki
  • Patent number: 10088611
    Abstract: A color filter forming substrate used in a multifunctional terminal is provided which has a frame disposed surrounding respective colored layers for a color filter and having a non-display area formed by the frame portion all around a boundary between the display area and the frame, and specifically has a transparent substrate as a base material; and, on one side of the base material, colored layers of respective colors for a color filter disposed in a display area and a frame portion comprising a light-shielding colored layer disposed as a region not for display around a periphery of the region for display. The color filter forming substrate is used for a display device.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: October 2, 2018
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kazuyuki Hino, Seiji Tawaraya, Hiroki Sakata
  • Patent number: 10073307
    Abstract: A liquid crystal display panel including first and second substrates, a sub-pixel row, first and second control electrodes is provided. The sub-pixel row is disposed on the first substrate and includes first, second and third sub-pixels arranged in sequence along a first direction, the polarity of the first sub-pixel and the polarity of third sub-pixel are the same, the polarity of the second sub-pixel is different from the polarities of the first and third sub-pixels, each of the first to third sub-pixels has a first region and a second region arranged along a second direction, and includes an electrode having a first slit pattern and a second slit pattern respectively located in the first region and the second region, wherein the extending direction of the first slit pattern is different from that of the second slit pattern, and the extending directions of the first slit patterns of two adjacent electrodes are different.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: September 11, 2018
    Assignee: Au Optronics Corporation
    Inventors: Wan-Heng Chang, Sung-Yu Su
  • Patent number: 10074332
    Abstract: A display panel includes a plurality of scanning lines, a plurality of conductive lines, a plurality of data lines, a first pixel, a second pixel, a third pixel and a fourth pixel. The data lines and the conductive lines are parallel. Each of the conductive lines is electrically coupled to one of the scanning lines, so as to transmit at least one gate pulse. The first pixel and the second pixel are located between a first data line and a first conductive line. The first pixel is electrically coupled to the first data line and a first scanning line. The second pixel is electrically coupled to the first pixel and a second scanning line. The third pixel and the fourth pixel are located between the first data line and a second conductive line. The third pixel is electrically coupled to the first data line and a third scanning line. The fourth pixel is electrically coupled to the third pixel and a fourth scanning line.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: September 11, 2018
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yu-Min Chi, Sung-Yu Su
  • Patent number: 10073301
    Abstract: A liquid crystal display includes a first substrate, a gate line on the first substrate, a thin film transistor on the first substrate and connected to the gate line, a first electrode and a second electrode on the first substrate, an insulating layer between the first electrode and the second electrode, a second substrate facing the first substrate, and a liquid crystal layer between the first substrate and the second substrate and including a liquid crystal molecule. One of the first electrode and the second electrode includes a plurality of branch electrodes extending in an extension direction parallel to the gate line, and the other one of the first electrode and the second electrode has a planar shape. The liquid crystal molecule of the liquid crystal layer has negative dielectric anisotropy.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: September 11, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Bong Sung Seo, Chang-Hun Lee, Baek Kyun Jeon
  • Patent number: 10073306
    Abstract: A liquid crystal display device (100) includes: a liquid crystal layer (42) held between a pair of substrates (10, 30), the liquid crystal layer containing one or more types of positive liquid crystal compounds whose dielectric anisotropy is positive and one or more types of negative liquid crystal compounds whose dielectric anisotropy is negative, a total content of the positive liquid crystal compounds not being smaller than a total content of the negative liquid crystal compounds; a pixel electrode (24) provided in the pair of substrates, the pixel electrode having a plurality of linear portions and a slit; and a common electrode (22) insulated from the pixel electrode, wherein the pixel electrode and the common electrode apply across the liquid crystal layer a pixel voltage of positive polarity and a pixel voltage of negative polarity alternately at a frequency lower than 60 Hz.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: September 11, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yuichi Kita, Tsuyoshi Okazaki, Hiroshi Tsuchiya, Kazuhito Matsumoto, Ken Kuboki
  • Patent number: 10067620
    Abstract: A mutual capacitive embedded touch panel is provided. The touch panel includes multiple touch units, each is formed by a pixel electrode layer, a first intermediate layer, a second intermediate layer, a common electrode layer, a third intermediate layer and a thin-film transistor array, wherein, the common electrode layer of each touch unit can be divided into a driving region, a first floating region, a second floating region, a first shielding region and a second shielding region; two opposite sides of the driving region respectively form the first and the second shielding regions; the first and the second floating regions are respectively formed at sides of the first second shielding regions away from the driving region. Accordingly, capacitance at the junction portion is similar with capacitance of the scanning line at the non-junction portion in to avoid generating obvious stripes at the junction portion of two adjacent touch units.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: September 4, 2018
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Jianxing Xie, Yu-cheng Tsai, Chun-hung Huang