Patents Assigned to TIANMA MICRO-ELECTRONICS CO., LTD
  • Patent number: 10446623
    Abstract: An organic light emitting display panel and a method for fabricating the same are provided by the present invention. The organic light emitting display panel includes: a substrate and a light emitting element layer disposed on the substrate. The light emitting element layer is provided with a plurality of first grooves. The organic light emitting display panel also includes an encapsulation layer disposed on the light emitting element layer, the plurality of first grooves are filled with the encapsulation layer.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: October 15, 2019
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Yu Cai
  • Patent number: 10446634
    Abstract: The present disclosure discloses a flexible display panel and a flexible display device. The flexible display panel includes a first flexible substrate, a buffer layer, a display function layer, and a conduction function layer. The buffer layer and the display function layer are placed on a first side of the first flexible substrate. The conduction function layer is placed between the first flexible substrate and the display function layer, and is connected to a constant potential through a through-hole or by an end portion of the conduction function layer. By arranging the conduction function layer and connecting to the constant potential, an external interference signal from a back side of the substrate can be effectively shielded, and the conduction function layer can also serve as a blocking layer.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: October 15, 2019
    Assignee: TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xu Qian, Wenxin Jiang, Yuan Li
  • Patent number: 10446589
    Abstract: An array substrate, display panel, display apparatus, and method for manufacturing the array substrate are provided. Array substrate includes pixel driving circuit and peripheral driving circuit. Array substrate further includes a plurality of thin film transistors including first type of thin film transistor electrically connected into peripheral driving circuit for outputting driving signal and second type of thin film transistor connected to peripheral driving circuit for outputting scanning signal. The thin film transistor includes an active layer of oxide semiconductor including at least one sub-layer. Compared with second type of thin film transistor, active layer of first type of thin film transistor has more sub-layers, and thickness of active layer of first type of thin film transistor is larger. Each sub-layer of the active layer of the second type of thin film transistor is in a same layer as the active layer of the first type of thin film transistor.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: October 15, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Junhui Lou, Tianyi Wu, Jujian Fu
  • Patent number: 10446063
    Abstract: A profiled display panel is provided, the display region thereof has profiled border. The profiled display panel comprises low-brightness pixels and regular pixels. The pixels form pixel rows and pixel columns. The pixel row or column comprises pixel group comprising first and second pixel group. The number of pixels adjacent to the profiled border in first pixel group is greater than that of in second pixel group. The number of the low-brightness pixels in first pixel group is greater than or equal to that of in second pixel group. The wiring direction of the data line is second direction. The pixel comprises at least three sub-pixels. An aperture height of the sub-pixels in the low-brightness pixel is smaller than that of in the regular pixel along second direction. An aperture area of the low-brightness pixel is gradually increased in a direction from the profiled border to the display region.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: October 15, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yan Yang, Binyi Zheng, Yongping Zeng, Ling Wu, Boping Shen
  • Patent number: 10437363
    Abstract: The invention discloses an In-Cell touch panel and a touch display device. The In-Cell touch panel includes: a color filter substrate; a common electrode disposed on the color filter substrate; an array substrate disposed opposite the color filter substrate; an IC disposed on the array substrate; a plurality of data lines and a plurality of gate lines disposed perpendicular to the data lines are disposed on the array substrate; the common electrode is divided into a plurality of common electrode lines, where the common electrode lines also function as drive electrodes or sense electrodes, and the IC is a timesharing IC used for providing the In-Cell touch panel with display signals and touch drive signals and detecting the touch signals of the In-Cell touch panel. The In-Cell touch panel provided by the present invention can effectively reduce the requirement for load of the timesharing IC by the In-Cell touch panel.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: October 8, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jun Ma, Lijun Zhao
  • Patent number: 10439610
    Abstract: The present disclosure provides a force touch detection circuit, a force touch detection circuit method and a display panel. The force touch detection circuit includes: n force-sensing sensors, n first switches, a first end of the ith first switch being electrically connected with a first end of the ith force-sensing sensor, a second end of the ith first switch being electrically connected with a first test connection terminal; n second switches, a first end of the ith second switch being electrically connected with a second end of the ith force-sensing sensor, a second end of the ith second switch being electrically connected with a second test connection terminal; n control signal connection terminals, the ith control signal connection terminal is electrically connected with a control end of the ith first switch and a control end of the ith second switch.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: October 8, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Liang Liu, Feng Lu, Conghua Ma, Shaolong Ma, Zaiwen Zhu, Qitai Ji, Yuheng Zhang, Shui He, Yong Yuan, Qijun Yao
  • Patent number: 10437373
    Abstract: The present disclosure provides a display substrate, display panel, and display device. The display substrate includes: a base substrate having a display area and a periphery area surrounding the display area; a plurality of force sensors disposed in the periphery area; and a substrate layer layered upon the base substrate and disposed under a film layer where the plurality of force sensors are located and including a plurality of strip-shaped convex structures; wherein a portion of each of the plurality of force sensors corresponding to each of the plurality of strip-shaped convex structures is convex, and another portion of each of the plurality of force sensors corresponding to a gap between adjacent two of the plurality of strip-shaped convex structures is concave. The present disclosure achieves that abnormal display will not appear on display panel at display area edge or position corresponding to force sensor, thereby improving display effect.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 8, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yihua Zhu, Hao Wu, Shoujin Cai, Guozhao Chen
  • Patent number: 10437097
    Abstract: Disclosed are a spatial light modulator and a display device, where 2*2 adjacent pixel electrodes are a pixel group, through-holes corresponding to the respective pixel electrodes are located proximate to the center of the pixel group, and a photo spacer is located at the center of the pixel group, so that the photo spacer can overlap with the through-holes, or the photo spacer can be arranged in close proximity to the through-holes. If the photo spacer overlaps with the through-holes, then a black matrix layer covering the photo spacer, and a black matrix layer covering the surrounding of the photo spacer may cover at least a part of the through-holes; and if the photo spacer is arranged in close proximity to the through-holes, then the black matrix layer covering the surrounding of the photo spacer may cover at least a part of the through-holes.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: October 8, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jialing Li, Lei Niu, Jian Xu, Yaoyang Liu
  • Publication number: 20190303638
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; and a fingerprint recognition assembly, the fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate, the fingerprint recognition unit includes a photosensitive region. The array substrate includes a plurality of transparent regions and a plurality of non-transparent regions. Along a direction perpendicular to the array substrate, at least a portion of the plurality of transparent regions in the array substrate is covered by a photosensitive region of any one of the at least one fingerprint recognition units.
    Type: Application
    Filed: September 13, 2018
    Publication date: October 3, 2019
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Lihua Wang, Haochi Yu, Qing Zhang, Lingxiao Du
  • Publication number: 20190303637
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly and a fingerprint recognition assembly. The display assembly includes a base substrate, a plurality of pixel driving circuit units disposed on one side of the base substrate and at least two kinds of metal wires extending along a first direction, the plurality of pixel driving circuit units are arranged in a matrix along the first direction and a second direction, and a first gap region is formed between adjacent two of the plurality of pixel driving circuit units in the first direction. The display panel provided by the present disclosure provides the at least two kinds of metal wires to include a plurality of first type metal wires and a plurality of second type metal wires.
    Type: Application
    Filed: July 31, 2018
    Publication date: October 3, 2019
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lihua Wang, Yang Zeng, Lingxiao Du, Qing Zhang, Haochi Yu
  • Patent number: 10429692
    Abstract: The present disclosure provides a liquid crystal display panel. The liquid crystal display panel includes an upper substrate, a lower substrate, a liquid crystal layer sandwiched between the upper and lower substrates, an upper regionalized polarizer disposed on the upper substrate including a plurality of first upper polarizing units and second upper polarizing units, and a lower regionalized polarizer disposed on the lower substrate including a plurality of first lower polarizing units and second lower polarizing units. The first lower polarizing units correspond to the first upper polarizing units. The second lower polarizing units correspond to the second upper polarizing units. The first upper polarizing units and the second upper polarizing units have mutually orthogonal polarization directions. The first lower polarizing units and the first upper polarizing units have mutually orthogonal polarization directions.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: October 1, 2019
    Assignees: Xiamen Tianma Micro-electronics Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Shulin Yao, Long Zhang, Ting Zhou, Poping Shen, Zhaokeng Cao
  • Patent number: 10429979
    Abstract: The present disclosure relates to a touch film, a touch panel, a touch display device and a preparing method thereof, in which breakage probability in a metal portion can be reduced, thereby improving the touch performance. The touch film comprises a flexible substrate made of polyimide, a metal layer, and an organic film arranged therebetween and having a water drop contact angle less than 80°. The touch film further comprises a touch electrode layer comprising multiple groups of first touch electrodes and multiple groups of second touch electrodes, wherein each group of the first touch electrodes comprises a plurality of first touch electrodes arrayed in a second direction; and each group of the second touch electrodes comprises a plurality of second touch electrodes arrayed in a first direction. The metal layer comprises metal connection lines for electrically connecting adjacent first touch electrodes.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: October 1, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lingxiao Du, Hong Ding, Qing Zhang, Kang Yang, Yang Zeng, Gang Liu, Xuening Liu
  • Patent number: 10431579
    Abstract: Provided are a display panel, a driving method, and a display device. The display panel comprises: pixel circuits arranged in rows and columns in a display area which comprises first and second display areas along a row direction, and an outer edge of the second display area extending stepwise along a column direction; data lines one-to-one corresponding to columns of the pixel circuit; signal line groups one-to-one corresponding to rows of the pixel circuits, each signal line group comprising a scan line and a light-emitting control signal line; and first electrostatic protection circuits one-to-one corresponding to data lines in the second display area, each first electrostatic protection circuit being connected to a scan line and a light-emitting control signal line in the same signal line group, for discharging static electricity on the data line to the scan line or the light-emitting control signal line.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: October 1, 2019
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xuan Yang, Tao Peng, Yingjie Chen
  • Patent number: 10430923
    Abstract: Disclosed is a flexible display device. The flexible display device includes: a housing, a closure lid, a flexible display panel, an extension mechanism and a controller. A shaft is provided inside the housing. A sidewall of the housing is provided with an opening. The closure lid is opposite to the opening, and a surface of the closure lid facing away from the opening is provided with a user identity recognition module. The flexible display panel is wound onto the shaft and includes a first end and a second end opposite to the first end. The first end is connected to the shaft, and the second end is connected to the closure lid. The extension mechanism is configured to support the flexible display panel extending out of the housing.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: October 1, 2019
    Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jingru Lu, Mingyan Huang, Yanhua Liu
  • Patent number: 10429977
    Abstract: The present disclosure relates to an array substrate, a display panel, a display device and a method for driving the array substrate, which avoid the common electrode block from providing pulse signals of a same polarity for a long time, thereby reducing probability of polarization of the liquid crystal and improving display performance. The array substrate, includes a common electrode layer, the common electrode layer including at least one common electrode block, at least one touch signal line, and a driving signal module; the common electrode layer including at least one common electrode block; wherein each touch signal line is connected with a corresponding common electrode block and the driving signal module, and the driving signal module outputs at least two types of touch driving signals with opposite polarities to at least one of the at least one common electrode block at each touch stage.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: October 1, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Huangyao Wu, Huanda Wu, Lei Zhang
  • Patent number: 10431136
    Abstract: The disclosure discloses an array substrate, a display panel, and a display device, and the array substrate includes: a plurality of data lines arranged in a display area, and a demultiplexer assembly, a test switch assembly, and a plurality of data signal fanout wires, arranged respectively in a non-display area, where each of the signal output terminals of the demultiplexer assembly is electrically connected with one of the plurality of data lines, each of the signal input terminals of the demultiplexer assembly is electrically connected respectively with one of the plurality of data signal fanout wires, and one of the output terminals of the test switch assembly; and the test switch assembly is arranged on the side of the demultiplexer assembly away from the display area.
    Type: Grant
    Filed: October 25, 2017
    Date of Patent: October 1, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Hongbo Zhou
  • Patent number: 10429691
    Abstract: A regional polarization structure, a method for fabricating a regional polarization structure and a liquid crystal display panel are provided. The regional polarization structure includes: a substrate; at least one first carbon nanotube block arranged on a first side of the substrate; and at least one second carbon nanotube block arranged on a second side of the substrate, where the first carbon nanotube block includes multiple carbon nanotubes extended in a first direction, the second carbon nanotube block includes multiple carbon nanotubes extended in a second direction, and the first direction is different from the second direction.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: October 1, 2019
    Assignees: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Sifan Wei, Zhongshou Huang
  • Patent number: 10429980
    Abstract: A display panel and a display device. The display panel includes sub-pixels, an insulation layer including a first via hole, a flat layer including a second via hole, and a touch electrode including a third via hole overlapping the first via hole, the edge of each touch electrode in the first direction is between adjacent sub-pixels, each first sub-pixel is adjacent to the edge of the touch electrode; in the first direction, a center point of the first via hole is deviated by more than 1 ?m away from a first edge relative to a center point of the second via hole, a center point of the third via hole is deviated by more than 1 ?m away from the first edge relative to the center point of the second via hole, and the first edge is an edge of a closest touch electrode to the first sub-pixel in the first direction.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: October 1, 2019
    Assignee: XIAMEN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Xiaodong Luo
  • Patent number: 10430636
    Abstract: A display panel includes an array substrate including organic light-emitting structures, and at least one fingerprint identification unit. Each organic light-emitting structure has a first side facing the array substrate, and the fingerprint identification unit is disposed in a display region on the first side of the organic light-emitting structure. The display panel also includes a plurality of spacers and a plurality of anti-crosstalk pads. When being projected onto the array substrate, the orthogonal projection of each spacer is disposed between orthogonal projections of adjacent organic light-emitting structures. Each anti-crosstalk pad is disposed between a corresponding spacer and the fingerprint identification unit. An orthogonal projection of the anti-crosstalk pad onto the array substrate include a first region overlapping with the orthogonal projection of the spacer onto the array substrate.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 1, 2019
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Liang Xie, Yang Zeng, Lihua Wang, Haochi Yu
  • Patent number: 10431601
    Abstract: A method for manufacturing an array substrate, and an array substrate, a display panel and a display device are provided. The method may include: forming, on one side of a substrate, a gate electrode layer, a gate insulation layer and a semiconductor layer, wherein the gate electrode layer has a same pattern as the semiconductor layer; forming an etching stop layer on the semiconductor layer; forming a first, second hole and third through holes by patterning the etching stop layer; forming a source electrode layer and a drain electrode layer on the etching stop layer, wherein the source electrode layer is electrically connected with the semiconductor layer via the first through hole, and the drain electrode layer is electrically connected with the semiconductor layer via the second through hole; forming an active layer by etching the semiconductor layer at the location corresponding to the third through hole.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: October 1, 2019
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Chuanzhi Xu, Zhengfang Xie, Xiongping Li, Xiaoyang Tong