Interdigited (comb-shaped) Electrodes Patents (Class 349/141)
  • Patent number: 10446693
    Abstract: By using a conductive layer including Cu as a long lead wiring, increase in wiring resistance is suppressed. Further, the conductive layer including Cu is provided in such a manner that it does not overlap with the oxide semiconductor layer in which a channel region of a TFT is formed, and is surrounded by insulating layers including silicon nitride, whereby diffusion of Cu can be prevented; thus, a highly reliable semiconductor device can be manufactured. Specifically, a display device which is one embodiment of a semiconductor device can have high display quality and operate stably even when the size or definition thereof is increased.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: October 15, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Jun Koyama, Masahiro Takahashi, Hideyuki Kishida, Akiharu Miyanaga, Junpei Sugao, Hideki Uochi, Yasuo Nakamura
  • Patent number: 10446587
    Abstract: A display substrate includes a switching element disposed in a display region that is electrically connected to a gate line, a data line, and a first electrode in a peripheral region adjacent to the display region that includes a first conductive pattern formed from a first conductive layer that includes a same material as the gate line, a first line connecting part disposed in the peripheral region that includes the first conductive pattern, a second conductive pattern that overlaps the first conductive pattern and formed, an organic layer that partially exposes the second conductive pattern, and a third conductive pattern electrically connected to the second conductive pattern that contacts the partially exposed second conductive pattern, and a fourth conductive pattern that electrically connects the first conductive pattern of the pad part and the third conductive pattern of the first line connecting part.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: October 15, 2019
    Assignee: SAMSUNGG DISPLAY CO., LTD.
    Inventors: Ji-Sun Kim, Ji-Hyun Kim, Shin-Il Choi, Yeong-Keun Kwon
  • Patent number: 10437116
    Abstract: The liquid crystal display device includes: a TFT substrate including scanning lines extending in a first direction and being arranged in a second direction, video signal lines extending in the second direction and being arranged in the first direction, pixel electrodes arranged in regions surrounded by the scanning lines and the video signal lines, and common electrodes formed with an insulating film arranged between the common electrodes and the pixel electrodes; a counter substrate opposed to the TFT substrate; and a liquid crystal. The first common electrode extends between the first and second scanning lines in the first direction, and the second common electrode extends between the second and third scanning lines in the first direction. The first and second common electrodes are electrically connected by a bridge. The bridge covers the first video signal line without covering the second video signal line, when seen in a plan view.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 8, 2019
    Assignee: Japan Display Inc.
    Inventor: Motoharu Miyamoto
  • Patent number: 10437115
    Abstract: A liquid crystal display device includes a display-device substrate having a transparent electrode; an array substrate having a pixel electrode, a source line, a gate line, and a conductive line; a liquid crystal layer sandwiched between the display-device substrate and initially aligned vertically; and a controller that drives the liquid crystal layer by supplying an image signal to the source line and applying a liquid crystal driving voltage across the transparent electrode and the pixel electrode in synchronization with the image signal, the controller applying a voltage to the conductive line after the liquid crystal driving voltage is applied to the pixel electrode and while the liquid crystal driving voltage is not applied to the pixel electrode, thereby generating an electric field oriented in a direction intersecting the source line in a plan view between the conductive lines.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: October 8, 2019
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Yukihiro Kimura, Kenzo Fukuyoshi
  • Patent number: 10429704
    Abstract: A display device with low power consumption and high display quality is provided. The display device includes first and second electrodes. One pixel includes a region in which the distance between the first electrode and the second electrode is constant and a region in which the distance varies; this structure allows the switching operation of liquid crystal to start in a predetermined region, thereby improving the stability of the operation of the liquid crystal. A pixel region is divided into two regions in which the liquid crystals are aligned in the two respective directions when switching is performed, whereby viewing angle characteristics are improved. Furthermore, the supply of a potential to a third electrode suppresses alignment disorder of the liquid crystal and improves the display quality.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: October 1, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Yusuke Kubota, Daisuke Kubota
  • Patent number: 10423043
    Abstract: The present invention relates to a liquid crystal display including: a lower electrode including a unit pixel electrode; an upper electrode including an upper unit electrode facing the unit pixel electrode; and a liquid crystal layer between the lower electrode and the upper electrode and including a plurality of liquid crystal molecules aligned approximately perpendicular to the surfaces of the lower electrode and the upper electrode in the absence of an electric field, wherein the unit pixel electrode includes a stem forming a boundary between a plurality of sub-regions and a plurality of minute branches extending in different directions in two different sub-regions, the upper unit electrode includes an opening facing the stem and extending parallel to the stem, any alignment aid to pretilt the liquid crystal molecules is absent, and a length of the minute branches is equal to or less than about 53 ?m.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: September 24, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jang Wi Ryu, Cheol Shin, Hak Sun Chang, Ki Chul Shin, Jae-Soo Jang, Ka Eun Kim, Ho Kil Oh, Se Hyun Lee, Hyo Ju Jung, Sang Hyeon Song, Sang Jin Jeon
  • Patent number: 10423029
    Abstract: A method for manufacturing a display device can include forming a thin-film transistor (TFT) array substrate including data lines, gate lines, TFTs at intersections of the data lines and the gate lines, common electrodes, common lines disposed parallel to the gate lines, and connected to the common electrodes, a protective layer on the gates lines, the common lines and the data lines, and a first protrusion protruding from the protective layer; and forming a color filter array substrate including first, second and third color filter layers corresponding to first, second and third sub-pixels, respectively, in which portions of the first, second and third color filer layers overlap each other in an area between two adjacent rows of sub-pixels to form a second protrusion, and the second protrusion overlaps with both one common line among the plurality of common lines and one gate line among the gate lines that is adjacent to the one common line, and the area between the two adjacent rows of sub-pixels is configu
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: September 24, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Woo-Jung Byun
  • Patent number: 10416516
    Abstract: A liquid crystal display panel includes an array substrate, a color filter substrate, and a liquid crystal layer interposed therebetween. The array substrate includes scan lines and data lines insulated from the scan lines and arranged mutually perpendicular to each other to define pixels that are arranged in an array. Each pixel includes a thin-film transistor and a pixel electrode connected to the thin-film transistor. The thin-film transistor is connected to one of the data lines and one of the scan lines corresponding thereto. A separation zone is formed between adjacent ones of the pixel electrodes. The thin-film transistor and the scan line are arranged in the separation zone. The pixels further comprise a transparent wiring line arranged along an outer circumference of the scan line. The transparent wiring line is supplied with an electrical voltage that is a common voltage of the array substrate.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: September 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Liyang An
  • Patent number: 10416505
    Abstract: A pixel structure is arranged on an array substrate and controlled by one or two TFTs. The pixel structure includes a plurality of raised structures, a plurality of projection electrodes, and a bottom electrode. The projection electrodes are formed on the raised structures. The bottom electrode is located under the raised structures. The projection electrodes formed on the raised structures may induce a horizontal electric field therebetween. The bottom electrode and the projection electrodes formed on the raised structures may induce a sideway horizontal electric field therebetween. A liquid crystal display device including the pixel structure is also provided. The pixel structure and the liquid crystal display device reduce a vertical electric field component and increase a horizontal electric field so as to increase transmittance of the FFS and IPS modes or the response speed of liquid crystal and reduce the trend of positive liquid crystal to stand up.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: September 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Yuejun Tang
  • Patent number: 10416508
    Abstract: Array substrate, display panel, and display device, and their fabrication methods are provided. An array substrate includes a plurality of subpixels, each including a first electrode and a second electrode, electrically isolated from one another, on a substrate. The first electrode includes a plurality of electrically connected first electrode strips. The second electrode includes a plurality electrically connected second electrode strips alternately arranged with the first electrode strips. A first distance along a first direction at any position between one first electrode strip and a first neighboring second electrode strip is substantially same. Along a length direction of the first electrode strips, a first width of each first electrode strip has a varying value at a different position.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: September 17, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Hui Li, Yunsik Im, Hyunsic Choi, Liwei Liu
  • Patent number: 10416506
    Abstract: The present application discloses an array substrate, including a substrate; a thin film transistor disposed on the substrate; a pixel electrode disposed on the substrate and is in contact with a drain electrode of the thin film transistor; a common electrode disposed above the pixel electrode and is electrically insulated from the pixel electrode, and the common electrode has a plurality of first through holes. The present application further discloses a method of fabricating the array substrate. The array substrate and the fabricating method of the present application can reduce the parasitic capacitance between the common electrode and the pixel electrode, and can accelerate the release of the aggregated ions. In addition, the present application, by forming a stereoscopic electrode structure, the lateral electric field can be effectively enhanced, so that the driving voltage can be reduced, the display transmittance can be improved, and the power consumption can be reduced.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: September 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Xingwu Chen, Lixuan Chen
  • Patent number: 10394087
    Abstract: A display panel comprises: a first substrate (1); a second substrate (3), provided opposite to the first substrate (1); and an adsorption spacer (2), provided between the first substrate (1) and the second substrate (3), wherein, the adsorption spacer (2) is provided with an adsorption portion, the first substrate (1) and the second substrate (3) are cell-assembled together through a vacuum adsorption effect of the adsorption spacer (2).
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: August 27, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventor: Peizhi Cai
  • Patent number: 10381379
    Abstract: The present invention discloses an array substrate and a manufacturing method thereof, and a display device, the array substrate includes a pixel electrode and a thin film transistor, the pixel electrode includes a first sub-electrode, a first connection part formed integrally with the first sub-electrode, a second sub-electrode, and a second connection part formed integrally with the second sub-electrode, the first sub-electrode and the second sub-electrode are insulated from each other and are disposed in different layers, and both the first connection part and the second connection part are connected to a drain of the thin film transistor. With the present invention, the pixel electrode of the discrete pattern structure can be manufactured to have a narrow gap smaller than the resolution of the exposure machine, to solve the problem that the single-layered pixel electrode of the discrete pattern structure cannot be resolved by the existing exposure machine.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: August 13, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Dawei Shi
  • Patent number: 10381384
    Abstract: An array substrate is provided, which includes: a base substrate; a plurality of gate lines, a plurality of data lines and a plurality of common electrode lines arranged on the base substrate; a pixel electrode arranged at each region defined by adjacent gate lines and adjacent data lines; and a TFT arranged at a position in proximity to a junction between each of the gate lines and the corresponding data line. A drain electrode of the TFT is electrically connected to the pixel electrode through a via-hole. Each common electrode line includes a primary electrode line extending in a direction identical to an extension direction of the gate line, and a secondary electrode line connected vertically to the primary electrode line. The secondary electrode line includes at least one first secondary electrode line arranged between the via-hole and the data line.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: August 13, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hongfei Cheng
  • Patent number: 10379406
    Abstract: A display panel includes a pair of substrates, a pixel electrode, a common electrode, a first transparent electrode, and a second transparent electrode. A plurality of sub pixels is defined on the pair of substrates. The first transparent electrode corresponds to at least one of the plurality of sub pixels. A vertical projection of the first transparent electrode, a vertical projection of a part of the pixel electrode of the sub pixel corresponding to the first transparent electrode, and a vertical projection of a part of the common electrode of the sub pixel corresponding to the first transparent electrode on the substrates are overlapped. The second transparent electrode corresponds to the corresponding sub pixel.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 13, 2019
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yu-Min Chi, Sung-Yu Su
  • Patent number: 10379407
    Abstract: A liquid crystal display is provided. A liquid crystal display comprising: an insulating substrate, a plurality of pixels disposed on the insulating substrate, and a display area in which the pixels are arranged in rows and columns, wherein four pixels arranged successively in a row direction form a domain pattern, and the domain pattern is repeated in the row direction and a column direction in the display area, wherein each pixel in first and second rows of the domain pattern has a first domain orientation, and each pixel in third and fourth rows of the domain pattern has a second domain orientation that is different from the first domain orientation.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: August 13, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang Hee Jang, Hyun Sup Lee, Jung Hun Noh, Keun Kyu Song, Byung Seok Choi
  • Patent number: 10379416
    Abstract: A display device includes a display area and a peripheral area surrounding the display area. The display device includes a thin film transistor substrate, a plurality of thin film transistors, a first common line, and a storage capacitor line. The first common line, the storage capacitor, and a gate electrode of the thin film transistor are located in a same layer. The first common line is directly electrically coupled to the storage capacitor line.
    Type: Grant
    Filed: August 14, 2015
    Date of Patent: August 13, 2019
    Assignee: Century Technology (Shenzhen) Corporation Limited
    Inventors: Wen-Qiang Yu, Ming-Tsung Wang, Chih-Chung Liu, Yi-Hsiu Cheng
  • Patent number: 10372009
    Abstract: The optical device (100) includes a first substrate (10), a second substrate (20), and an optical layer (30). The first substrate includes a first electrode (11) and a second electrode (12) configured to be provided with mutually different electrical potentials within a pixel. The optical layer may include a medium (31) and a plurality of shape-anisotropic particles (32) dispersed in the medium. At least one of the first electrode and the second electrode may include a plurality of comb teeth portions (11a, 12a) arranged at predetermined intervals along the first direction (D1). When an electric potential difference is applied between the first electrode and the second electrode, the pixel may be configured to have an electrical field distribution in which a strong electric field region having a stronger field intensity than another region is periodically formed parallel to the surface of the optical layer along a second direction (D2) orthogonal to the first direction.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: August 6, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tomoko Teranishi, Hiroyuki Moriwaki, Eiji Satoh, Tadashi Ohtake, Hidefumi Yoshida, Satoshi Matsumura
  • Patent number: 10365519
    Abstract: A liquid crystal display device includes a liquid crystal panel, a transparent protective member, and a transparent adhesive material. The liquid crystal panel is an in-plane switching liquid crystal panel including a TFT substrate, a counter substrate sandwiching a liquid crystal layer between the counter substrate and the TFT substrate, and a transparent conductive film being provided on a surface opposite to the liquid crystal layer of the counter substrate, a side of the transparent conductive film being a side of a display surface. The transparent protective member covers a surface on the side of the display surface of the liquid crystal panel. The transparent adhesive material attaches the transparent protective member on the surface on the side of the display surface. The transparent conductive film has a film thickness ranging from 120 nm to 160 nm.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: July 30, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Eri Ikegami, Yasunori Niwano
  • Patent number: 10365525
    Abstract: A display device is disclosed, which includes: a first substrate; a plurality of scan lines and a plurality of data lines, wherein the scan lines intersects with the data lines, the scan and the data lines are disposed above the first substrate, and the scan lines extend along a first direction; a common electrode disposed above the first substrate; a second substrate; a display medium layer disposed between the first substrate and the second substrate, wherein the common electrode has a first part extending along the first direction, a second part corresponding to the data lines, and an end part, wherein the first part connects to the second part, the end part connects to the second part, a first angle included between the end part and the second part greater than 0 degree and less than 180 degrees. The end part overlaps partially with the data line adjacent thereto.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: July 30, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Chien-Hung Chen, Bo-Chin Tsuei, Hsia-Ching Chu, Mei-Chun Shih
  • Patent number: 10365511
    Abstract: A display device includes a first substrate, a second substrate, a display medium layer, and a light-shielding pattern. The second substrate includes a conductive wire. The display medium layer is disposed between the first substrate and the second substrate. The light-shielding pattern is disposed between the first substrate and the second substrate. The conductive wire is projected onto the first substrate along a first direction to obtain a projected line. The projected line includes a first border. The light-shielding pattern includes a first edge. The first edge includes a first curving rim. The first curving rim is adjacent to the first border.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: July 30, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Shun-Chen Yang, Yu-Lun Hsu, Chung-Wen Yen, Chao-Hsiang Wang
  • Patent number: 10359655
    Abstract: The disclosure discloses a liquid crystal panel with a switchable visual angle, including a top substrate and a bottom substrate disposed opposite, and a liquid crystal layer between the top substrate and the bottom substrate. A surface of the top substrate opposite to the bottom substrate has a top visual angle electrode, a surface of the bottom substrate opposite to the top substrate has a bottom visual angle electrode. A length of the bottom visual angle electrode is shorter than a length of the top visual angle electrode. A center of the top visual angle electrode and a center of the bottom visual angle electrode are exactly opposite. The surface of the bottom substrate opposite to the top substrate further has two accessory electrodes corresponding to the top visual angle electrode. The two accessory electrodes are distributed on two sides of the bottom visual angle electrode symmetrically.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: July 23, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventor: Chang Xie
  • Patent number: 10353249
    Abstract: The present invention demonstrates a kind of thin film transistor and a liquid crystal display panel. The thin film transistor substrate includes a substrate and the stacking structure of the first common electrode and the pixel electrode which are isolated from each other. A hollow structure is located in a position where the pixel electrode and the first common electrode overlap and shape of the hollow structure is related to the first common electrode It could increase the control of the electric field of the liquid crystal, decrease the width of the dark line of the pixel, improve the performance and transmittance of the liquid crystal, avoid the through via, and prevent the short-circuited problem.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: July 16, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventor: Sikun Hao
  • Patent number: 10353256
    Abstract: An array substrate according to the present invention includes a non-linear element. The non-linear element includes a first insulation film disposed so as to cover a light-shielding body, an oxide semiconductor film disposed on the first insulation film so as to overlap the light-shielding body in a plan view, a source electrode and a drain electrode that are disposed so as to be apart from each other with a separation portion therebetween on the oxide semiconductor film, a second insulation film disposed so as to cover the oxide semiconductor film, the source electrode, and the drain electrode, and a first back electrode disposed on a third insulation film and connected to a source wire through a first contact hole. The first back electrode is disposed so as to overlap the source electrode and part of the separation portion on the oxide semiconductor film in a plan view.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: July 16, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventor: Koji Oda
  • Patent number: 10345658
    Abstract: The present disclosure provides a method for manufacturing a slit electrode, the slit electrode, and a display panel. The method includes steps of forming a first photoresist pattern on a passivation layer, the first photoresist pattern being of a shape identical to a slit of the slit electrode, forming a slit electrode pattern on the passivation layer with the first photoresist pattern, the slit electrode pattern being covering with a second photoresist pattern which has a shape identical to the slit electrode; and removing the first photoresist pattern and the second photoresist pattern.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: July 9, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yang An, Zhilong Peng, Wukun Dai
  • Patent number: 10333109
    Abstract: Display structures for displays having spaced-apart light-emitting elements. In some embodiments, a display structure includes a metallic contrast enhancer having apertures corresponding to the light-emitting elements. The light-emitting elements may be, for example, integrally formed with a substrate or packaged elements applied to a printed circuit board. In some embodiments, a metallic contrast enhancer of the present disclosure may be incorporated into a touch sensor that can allow a visual display incorporating the touch sensor to operate as a touch screen. Such a touch sensor may be, for example, projected capacitive, surface capacitive, digital-type resistive, or analog-type resistive. In some embodiments, a contrast enhancer may include one or more permanent graphic elements to enhance a visual display.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: June 25, 2019
    Assignee: Production Resource Group, L.L.C.
    Inventors: Jeremy Hochman, Arnaud Latombe, Robbie Thielemans
  • Patent number: 10324345
    Abstract: A display device and a display substrate are provided. The display device includes a first substrate, having a surface; a gate line disposed on the substrate, wherein the gate line substantially extends along a first direction; a first data line and a drain electrode disposed on the substrate, and the data line intersecting with the gate line. In particular, a first opening projects onto the surface to form a first projection pattern, wherein the first projection pattern includes a first portion, and wherein the first portion is disposed between projections of the at least two finger portions onto the surface and outside a projection of the connecting portion onto the surface.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: June 18, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Hung-Kun Chen, Yi-Chin Lee, Hong-Kang Chang, Yi-Chien Kao, Jui-Ching Chu, Li-Wei Sung, Hui-Min Huang
  • Patent number: 10324338
    Abstract: A liquid crystal grating and a fabrication method thereof, and a display device are provided. The liquid crystal grating comprises a first substrate (1) and a second substrate (2) provided opposite to each other, and a liquid crystal layer (7); a plate-shaped transparent substrate (3) is provided on the first substrate (1), and a second transparent conductive layer (4), a transparent insulating layer (5) and a first transparent conductive layer (6) are sequentially provided on the second substrate (2); the first transparent conductive layer (6) includes first strip-shaped transparent electrodes (61) and second strip-shaped transparent electrodes (62) which are alternately provided, and there is a gap between the first strip-shaped transparent electrode (61) and the second strip-shaped transparent electrode (62) adjacent to each other; and the second transparent conductive layer (4) includes third strip-shaped transparent electrodes (41) provided at intervals.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: June 18, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yuqiong Chen
  • Patent number: 10325934
    Abstract: The present disclosure provides a display substrate, a fabricating method thereof, and a display apparatus including the display substrate. The display substrate includes a plurality of data lines and a plurality of common electrode lines. Each data line extends substantially along a first direction, and each common electrode line is along the first direction, and is configured such that a common electrode signal along the each common electrode line is substantially uniform. Each common electrode line can be substantially parallel to one data line to thereby substantially avoid a pulling effect on the common electrode signal along the each common electrode line caused by coupling between the each common electrode line and the one data line.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: June 18, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xuebing Jiang
  • Patent number: 10317750
    Abstract: In the present invention, a liquid crystal display device capable of achieving a high contrast ratio and a wide viewing angle, and capable of achieving a high-speed response is provided. The liquid crystal display device in the present invention is configured such that, when viewed in a plan view, at least one contour line of a plurality of linear portions of a first electrode intersects with a branch portion of a second electrode and a branch portion of a third electrode adjacent to each other, a length of a part intersecting with the branch portion of the third electrode is longer than a length of a part intersecting with the branch portion of the second electrode, and a driving operation is performed such that a potential difference between the first electrode and the third electrode is equal to or greater than a potential difference between the first electrode and the second electrode.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: June 11, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yosuke Iwata, Mitsuhiro Murata, Satoshi Matsumura
  • Patent number: 10317739
    Abstract: Embodiments of the disclosure provide an array substrate, a manufacturing method for an array substrate, a display panel, and a display apparatus. The array substrate according to one embodiment including a gate line extending in a first direction, a data line extending in a second direction different from the first direction, a first common electrode line extending in the first direction, a second common electrode line extending in the second direction, and common electrodes in which the common electrodes at both sides of and adjacent to the second common electrode line are electrically connected to the second common electrode line.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: June 11, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Peng Jiang, Haipeng Yang, Ke Dai, Yongjun Yoon, Zhangtao Wang
  • Patent number: 10317751
    Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: first common electrode lines; gate lines; a gate insulation layer; data lines, the first common electrode lines crossing the data lines to define a plurality of pixel units, each gate line dividing a corresponding pixel unit into two sub-regions, a separate TFT being arranged at each sub-region; second common electrode lines; and a drain electrode pad arranged at each sub-region and a drain electrode connection line for connecting the drain electrode pad to a drain electrode of the TFT. The drain electrode pad, the drain electrode connection line and the drain electrode are arranged at an identical layer. An orthogonal projection of each second common electrode line onto the base substrate overlaps an orthogonal projection of the drain electrode pad onto the base substrate.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: June 11, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunping Long, Yongda Ma
  • Patent number: 10317741
    Abstract: A liquid crystal display device includes: a substrate having a pixel including first and second areas; a thin film transistor on the substrate in the pixel; a first pixel electrode in the first area and connected to the thin film transistor; a first common electrode in the first area and spaced apart from the first pixel electrode by a first separation distance; a second pixel electrode in the second area and connected to the first pixel electrode; a second common electrode in the second area and spaced apart from the second pixel electrode by a second separation distance different from the first separation distance; and a liquid crystal layer on the first pixel electrode, the first common electrode, the second pixel electrode and the second common electrode.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: June 11, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Sang-Wook Lee, Jung-Im Hwang, Min-Geun Choi, Ji-Na Jeon
  • Patent number: 10317737
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a base substrate and a plurality of sub pixels arranged on the base substrate, wherein each of the sub pixels includes a first electrode, a second electrode and a plurality of spacer strips, and the plurality of spacer strips is provided below the first electrode and the second electrode. By forming spacer strips which make a pixel electrode and a common electrode protruded on the array substrate, the horizontal electric field is enhance, the longitudinal electric field is suppressed, and thus the transmittance can be improved.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: June 11, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wei Hu, Ni Yang, Haijun Qiu
  • Patent number: 10317717
    Abstract: A liquid crystal display device that is not influenced by a noise in obtaining positional information can be provided. The liquid crystal display device includes a first substrate provided with a pixel electrode and a common electrode with a first insulating film interposed therebetween. The pixel electrode and the common electrode partly overlap with each other. The liquid crystal display device further includes a second substrate provided with a pair of electrodes, a resin film covering the pair of electrodes, and a conductive film on the resin film. The pair of electrodes partly overlap with each other with a second insulating film interposed therebetween. The liquid crystal display device further includes a liquid crystal layer between the conductive film on the second substrate side and the pixel electrode and the common electrode on the first substrate side. A predetermined potential is supplied to the conductive film.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: June 11, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Toru Tanabe, Takahiro Fukutome, Koji Moriya, Daisuke Kurosaki, Masakatsu Ohno
  • Patent number: 10310664
    Abstract: A display device including a display section having a plurality of pixel electrodes; and a plurality of drive electrodes extending in a first direction and arranged side-by-side in a second direction. Each of the drive electrodes has a width in the second direction corresponding to a size of the two or more pixel electrodes, and has one or more slits extending in the first direction.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: June 4, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Koji Noguchi, Yoshitoshi Kida, Kohei Azumi, Takayuki Nakanishi, Hiroshi Mizuhashi
  • Patent number: 10310343
    Abstract: Disclosed is a display panel in which a black matrix is formed on an upper substrate, which is disposed so as to face a lower substrate, so as to delimit each pixel area, a plurality of light control partitions is provided in the pixel area of the upper substrate, a color filter is provided in the pixel area of the upper substrate, and an overcoat layer is provided over the entire surface of the upper substrate. The light control partitions are formed in the pixel area simultaneously with the formation of the black matrix, which enables the omission of an existing light control film. Thereby, a narrow viewing angle is realized without increasing the thickness or manufacturing cost of a product.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: June 4, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hoon-Sub Shin, Mi-Kyung Lee, Ji-Yun Jang, Jun-Sung Kong, Yong-Hee Han, Eun-Young Yun
  • Patent number: 10310337
    Abstract: Each of branch portions of a pixel electrode and inclined portions of data lines extends in a direction different from an x direction and a y direction in a pixel region and inclined with respect to the y direction. Further, a liquid crystal layer is orientated in a direction different from the x direction and the y direction in the pixel region and inclined with respect to the y direction.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: June 4, 2019
    Assignee: JAPAN DISPLAY INC.
    Inventors: Kenji Ogura, Hironao Tanaka, Hidemasa Yamaguchi
  • Patent number: 10303015
    Abstract: External connection terminals in a conductive film and circuit-side terminals in a flexible circuit are respectively arranged in a first direction and are disposed through an anisotropic conductive membrane so as to at least partially overlap each other, the conductive film has detection electrodes and lead wires respectively connecting the detection electrodes to the external connection terminals, at least two external connection terminals have connection portions with the lead wires disposed at different locations, and, in each external connection terminal, an overlapping region between the circuit-side terminal and the anisotropic conductive membrane has ends in a second direction orthogonal to the first direction, and a width W1 of a first end in the first direction being located on a connection portion side between the external connection terminal and the lead wire is smaller than a width W2 in the first direction of the external connection terminal overlapping the first end.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: May 28, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Shin Tajiri, Kensuke Katagiri
  • Patent number: 10304866
    Abstract: The present invention provides an FFS type TFT array substrate and a manufacturing method thereof. The manufacturing method for an FFS type TFT array substrate of the present invention comprises that a gate electrode, a scanning line, a common electrode, and a common electrode line are formed in one photomask process. Comparing with the conventional art, the present invention simplifies the manufacturing process, with fewer photomasks, and a shorter processing time, therefore, the production cost is low. The fabrication process of the FFS type TFT array substrate of the present invention is simple, has low production cost and excellent electrical performance.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: May 28, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhichao Zhou, Hui Xia, Meng Chen
  • Patent number: 10304821
    Abstract: An electrostatic discharge (ESD) circuit, an array substrate and a display device are provided. The ESD circuit including a first signal line, a second signal line and a first thin film transistor (TFT), wherein the first TFT includes a plurality of first sub-TFTs; each first sub-TFT includes a first source electrode and a first drain electrode; the first sub-TFTs are sequentially arranged; adjacent first sub-TFT share one first source electrode or first drain electrode; one of the first signal line and the second signal line is electrically connected with the first drain electrode of each first sub-TFT; and the other is electrically connected with the first source electrode of each first sub-TFT.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: May 28, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Chunping Long, Jianbo Xian
  • Patent number: 10303027
    Abstract: A liquid crystal display device comprising: a substrate; a gate line that is disposed on the substrate and extends in a first direction; a first insulating film that is disposed on the gate line; a semiconductor pattern that is disposed on the first insulating film; a first transparent electrode that is disposed on the semiconductor pattern, and has a first electrode and a second electrode being spaced apart from each other; a second insulating film that is disposed on the first transparent electrode and partially exposes the first electrode; a data line disposed on the second insulating film and extends in a second direction different from the first direction; a second transparent electrode that is disposed on the second insulating film and at least partially overlaps the second electrode; and a connecting electrode in direct contact with a portion of the exposed first electrode and the data line.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: May 28, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk Sung Kim, Seung Hyun Park, Jun Ho Song, Sung Hoon Lim
  • Patent number: 10302844
    Abstract: A display may have an array of pixels. The pixels may have color filter elements such as red, green, and blue color filter elements. A layer of opaque material may be used to form a black matrix. The black matrix may have openings that receive the color filter elements. A backlight unit may produce backlight illumination for the display. A reflector layer may be interposed between the black matrix and the backlight unit. The reflector layer may have openings aligned with the openings in the black matrix and the color filter elements and may overlap the black matrix. Some of the backlight from the backlight unit may pass through the color filter elements. Other backlight may by be recycled by being reflected off of the reflector layer, thereby enhancing backlight efficiency.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: May 28, 2019
    Assignee: Apple Inc.
    Inventors: Ming Xu, Cheng Chen, Hiroshi Osawa, Yu Cheng Chen
  • Patent number: 10288965
    Abstract: This semiconductor device (100) includes: a thin-film transistor (101); an interlevel insulating layer (14) including a first insulating layer (12); a first transparent conductive layer (15) formed on the interlevel insulating layer and having a first hole (15p); a dielectric layer (17) covering the side surface of the first transparent conductive layer closer to the first hole; and a second transparent conductive layer (19a) overlapping at least partially with the first transparent conductive layer via the dielectric layer, which has a second hole (17p). The first insulating layer has a third hole (12p). The interlevel insulating layer and dielectric layer have a first contact hole (CH1), the sidewall of which includes the side surfaces of the second and third holes (17p, 12p). At least a part of the side surface of the third hole is aligned with that of the second hole.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: May 14, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yukinobu Nakata, Tetsuo Fujita, Yoshihito Hara
  • Patent number: 10288916
    Abstract: A liquid crystal display (“LCD”) device is capable of consuming relatively less power and significantly reducing flickering that may occur when the LCD device is driven by low frequency, the LCD device including: a liquid crystal layer disposed between the first substrate and the second substrate; a gate line; a data line intersecting the gate line; a timing controller outputting a gate control signal by a frequency of about 15 hertz (Hz) to about 30 Hz; a first electrode on the first substrate; and a second electrode on the first substrate, the second electrode spaced apart from the first electrode. The first electrode includes a plurality of first branch electrodes having an angle of about 9 degrees to about 30 degrees with respect to a normal line which is orthogonal to the gate line.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: May 14, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mihwa Lee, Minhee Kim, Taeho Kim, Soyoun Park, Soojung Youn, Changhun Lee
  • Patent number: 10283528
    Abstract: A thin film transistor array panel, including: a first insulating substrate; a gate line disposed on the first insulating substrate and including a gate electrode; a semiconductor layer disposed on the gate electrode; a data conductor layer disposed on the semiconductor layer, and including a data line crossing the gate line, a source electrode connected to the data line and exposing at least a part of the semiconductor layer, and a drain electrode facing the source electrode; a capping layer disposed on the data conductor layer, the semiconductor layer exposed between the source electrode and the drain electrode, and the entire surface of the first insulating substrate; and a first passivation layer disposed on the capping layer. The capping layer and the semiconductor layer include the same material.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: May 7, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Hyun Park, Do-Hyun Kim
  • Patent number: 10281785
    Abstract: There is provided a liquid crystal display device that enables increasing the capacitance between a pixel electrode and a common electrode without bringing about a significant decrease in the pixel aperture ratio. An In-Plane Switching LCD device in which a drain signal is supplied from one drain signal line to two pixel columns is configured such that there is a section having no drain signal line between adjacent pixels and a source electrode which is connected to a pixel electrode of a thin-film transistor extends into a contiguous pixel region that does not serve as an effective pixel region to provide one electrode of a capacitive element. A common electrode is formed in each pixel and the one electrode of the capacitive element is laid overlapping the common electrode with an insulation film intervening therebetween.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: May 7, 2019
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Co., Ltd.
    Inventor: Takahiro Nagami
  • Patent number: 10274799
    Abstract: An array substrate and a fabrication method thereof, a test method and a display device are provided. The array substrate comprises a plurality of pixel units formed on a base substrate, a thin film transistor (TFT) and a pixel electrode, a passivation layer, and a common electrode sequentially formed on the base substrate being provided in the pixel unit, the pixel electrode being connected with a drain electrode of the thin film transistor (TFT), wherein, a via hole located above the pixel electrode is further provided in the at least one of the pixel units, the via hole penetrates through the common electrode and the passivation layer, and a bottom of the via hole is in contact with a conductive surface (S, S?), and the conductive surface (S, S?) is electrically connected with a portion of the pixel electrode.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: April 30, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei BOE Optoelectronics Technology Co., Ltd.
    Inventor: Shiqiang Huang
  • Patent number: 10274800
    Abstract: A display device is provided. The display device includes a first substrate, a second substrate, a liquid-crystal layer, a first electrode, and an opposite electrode. The liquid-crystal layer is disposed between the first substrate and the second substrate. The first electrode is disposed on the first substrate. The opposite electrode is disposed on the side of the second substrate that faces the first substrate. The first electrode includes a first main portion and a plurality of first extending portions. The first extending portions are connected to the first main portion, at least one of the first extending portions includes a first side, a second side, and a curved structure. The curved structure connects the first side to the second side, and the curved structure has a first curvature radius greater than zero.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: April 30, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Tsung-Han Tsai, Chien-Hung Chen, Mei-Chun Shih
  • Patent number: 10274791
    Abstract: Provided is a liquid crystal display apparatus. The liquid crystal display apparatus comprises a plurality of common electrode lines on a first substrate, a first planarization layer on the plurality of common electrode lines, a plurality of data lines on the first planarization layer, a second planarization layer on the plurality of data lines, and a plurality of divided common electrodes on the second planarization layer, wherein an opening portion is between the plurality of divided common electrodes, wherein the common electrode lines and the data lines overlap each other at the opening portion, and wherein a width of the common electrode lines is larger than a width of the data lines for reducing a degree of color wash-out phenomenon of neighboring sub-pixels adjacent to the opening portion.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: April 30, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Tae-Sang Kim