Patents Assigned to Shanghai Tianma Micro-Electronics Co., Ltd.
  • Patent number: 10930212
    Abstract: The present disclosure provides an organic light-emitting pixel driving circuit.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: February 23, 2021
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xu Qian, Hua Gong, Jun Zhang
  • Patent number: 10930233
    Abstract: Provided are a display panel, a display device and a compensation method for the display device. The display panel includes an organic light-emitting diode display panel and a liquid crystal display panel, where the organic light-emitting diode display panel in a first display region is configured as a backlight for the liquid crystal display panel. The organic light-emitting diode display panel includes a first array substrate and an organic light-emitting function film. The first array substrate includes a first pixel driving circuit, where the first pixel driving circuit includes a first A-type pixel driving circuit and a first B-type pixel driving circuit, and a density of the first A-type pixel driving circuit is less than a density of the first B-type pixel driving circuit.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: February 23, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Gaojun Huang, Zhongjie Zhang, Sha Lin
  • Patent number: 10930204
    Abstract: Disclosed are a pixel circuit, a drive method thereof and a display panel. The pixel circuit includes: a discharge module, a storage module, a comparison module, and a drive module. The drive module is configured to drive, according to a voltage outputted through the output end of the comparison module, a light-emitting module to emit light. In a light-emitting phase, the discharge module discharges the storage module; and the comparison module compares an input voltage received from the first input end with a reference voltage received from the second input end and outputs, to the control end of the drive module, a constant voltage for turning on the drive module or a voltage for turning off the drive module, so that the drive module generates a constant drive current when being turned on.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: February 23, 2021
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Zeshang He
  • Patent number: 10921651
    Abstract: A display panel, a display device, and a method for manufacturing a display panel are provided. The display panel includes an array substrate, a color film substrate, and support pillars located between the array substrate and the color filter substrate. The array substrate includes sub-pixels, multiple gate lines, multiple data lines and a common electrode line. The common electrode line includes a first wire portion extending in a first direction and located between two adjacent sub-pixels. The data lines include multiple support sections each located at an intersection of the data line with the first wire portion. An orthographic projection of each of the support sections on the base substrate is a support region. A side of the support pillar close to the array substrate is located in the support region.
    Type: Grant
    Filed: November 11, 2018
    Date of Patent: February 16, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lei Wang, Mingwei Zhang, Xiangjian Kong, Jin'e Liu, Feng Qin
  • Patent number: 10908454
    Abstract: A backlight module and a display device include a light guide plate and a point light source. The light guide plate includes a first part and a second part. The first part includes a first light incidence surface and a first light-emitting surface intersecting with the first light incidence surface. The second part includes a second light incidence surface and a second light-emitting surface intersecting with the second light incidence surface. The first light incidence surface intersects with the second light-emitting surface, the first light-emitting surface and the second light incidence surface are arranged oppositely, and both the first light-emitting surface and the second light-emitting surface include grating structures.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: February 2, 2021
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yaoyang Liu, Lei Niu, Jialing Li, Yuan Ding, Jun Ma
  • Patent number: 10901279
    Abstract: Provided are a liquid crystal display panel and a 3D printer. The liquid crystal display panel includes a first substrate and a second substrate disposed opposite to the first substrate, and a liquid crystal layer which is disposed between the first substrate and the second substrate, where a surface on one side of the first substrate is provided with at least one first lens, and a surface on one side of the second substrate is provided with at least one second lens. The liquid crystal display panel provided by the embodiments of the present disclosure is used in a 3D printer with a photo-curing material.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: January 26, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yongmei Zhang, Chen Wang, Paijie Chen, Jiawei Han
  • Patent number: 10901546
    Abstract: A display panel, a display device, and a pressure sensing method are provided. The display panel includes a display region, a non-display region, a scanning driving circuit in the non-display region, a plurality of scanning lines extending in a first direction and being arranged in a second direction, and at least one pressure sensing unit. Each of the scanning lines is connected to one of output terminals of the scanning driving circuit and the first direction is perpendicular to the second direction. Each pressure sensing unit includes a first input terminal, a second input terminal, and a first output terminal. The first input terminal and the second input terminal are connected to different output terminals of the scanning driving circuit respectively, and the first output terminal is used for outputting a pressure sensing signal.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: January 26, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xu Qian, Feng Lu
  • Patent number: 10896315
    Abstract: A display apparatus and a fingerprint identification method are provided.
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: January 19, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Lihua Wang, Haochi Yu, Liang Xie
  • Patent number: 10896899
    Abstract: A display panel, a method for manufacturing the display panel, and a display device including the display panel are provided. The display panel includes: a thin film transistor array layer, and a light-emitting function layer at a side of the thin film transistor array layer. The thin film transistor array layer includes a planarization layer, an electrode layer, a first insulation layer, an active layer and a buffer layer. The electrode layer includes at least one first electrode and second electrode, and each first electrode includes a connection portion and an electrode portion which are connected to each other. The light-emitting function layer includes first contact electrodes and light-emitting elements. Heat generated by the light-emitting function layer is conducted to electrode portion of the first electrode through the connection portion of the first electrode and is uniformly distributed on the connection portion and the electrode portion.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: January 19, 2021
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Xiao Chi, Tianyi Wu, Jujian Fu, Liang Xing, Gang Liu, Shaorong Yu
  • Patent number: 10895924
    Abstract: The present disclosure provides a display substrate, a display panel and a display device. The display substrate includes a display region and a peripheral region surrounding the display region. Silicon-based force sensors are provided in the peripheral region. Each of the force sensors is rectangle-shaped and has a first side, a second side, a third side and a fourth side interconnected end-to-end. A first signal input part is electrically connected at a first corner formed between the first side and the second side, a first signal output part is electrically connected at a second corner formed between the second side and the third side, a second signal input part is electrically connected at a third corner formed between the third side and the fourth side, and a second signal output part is electrically connected at a fourth corner formed between the fourth side and the first side.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: January 19, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Feng Lu, Takatori Kenichi
  • Publication number: 20210013433
    Abstract: A stretchable display panel and a stretchable display device are provided. The stretchable display panel includes a stretchable substrate including island structures and bridge structures, and two adjacent island structures are connected by the bridge structure. The island structure includes a first carrier substrate and a first display layer including a pixel unit, and the bridge structure comprises a second carrier substrate and a second display layer including a signal line. The bridge structure has a first cross section perpendicular to a plane of the second carrier substrate and perpendicular to an extending direction of the bridge structure. A maximum width W1 of the first cross section in a first direction is smaller than or equal to maximum thickness H1 of the bridge structure in the direction perpendicular to the plane, and the first direction is parallel to the plane and perpendicular to the extending direction.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 14, 2021
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Yingteng ZHAI
  • Publication number: 20210013083
    Abstract: Provided are a transfer substrate, a display panel and a transfer method. The transfer substrate includes a plurality of object setting regions arranged in an array, the plurality of object setting regions including n types, where n is a positive integer, and n?2. The transfer substrate further includes: a base substrate, and a blocking layer located on a side of the base substrate. The blocking layer forms accommodating grooves respectively within object setting regions. Phase change materials are provided in accommodating grooves of at least (n?1) types of object setting regions. The provided transfer substrate has a simple structure and high transfer efficiency.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 14, 2021
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Jian ZHAO, Xiaohe Li, Haoxu Hu
  • Patent number: 10890795
    Abstract: The present disclosure provides a touch display device, including an upper substrate, a lower substrate, and a liquid crystal layer placed between the upper and lower substrates. The upper substrate includes a touch detection structure, and a plurality of pixel units arranged in a matrix. Each pixel unit includes a switch element and a pixel electrode. The lower substrate includes a common electrode and a reflection layer. The reflection layer is used for reflecting external light, and the external light refers to light from outside and sequentially emitting to the upper substrate and the liquid crystal layer, and then being incident to the reflection layer. In the touch display device, no whole or large area display electrode such as the common electrode is placed between the touch detection structure and the users. Thus, external touch signals will not be shielded, and the touch function can be better realized.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: January 12, 2021
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Ming Xie, Xiangjian Kong
  • Publication number: 20200410199
    Abstract: Provided are an ultrasonic fingerprint identification circuit, a driving method thereof, and a display device. The ultrasonic fingerprint identification circuit comprises fingerprint identification units each including an ultrasonic fingerprint identification sensor connected to a first node; a control module connected to a composite signal line, a first control signal line and the first node and configured to provide a reset potential to the first node and to provide a pull-up potential to the first node in response to a first level provided by the composite signal line; a reading module connected to a second control signal line, the first node and a reading signal line, and configured to read a detection signal of the first node. The first control signal line connected to one fingerprint identification unit is reused as the second control signal line connected to another fingerprint identification unit.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lu LIAN, Feng LU, Haochi YU
  • Publication number: 20200410906
    Abstract: Embodiments of the present disclosure provide a stretchable flexible display panel and a display device. By providing a metal connecting structure having a buffering effect in a stretching region on the flexible display panel, it is possible to achieve electrical signal transmission among a plurality of first display sub-regions and achieve stretchability of the flexible display panel. Moreover, problems such as breakage of a metal trace inside the display panel caused by a stretching operation are less likely to occur, such that good stretchability is achieved.
    Type: Application
    Filed: November 7, 2019
    Publication date: December 31, 2020
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Haijing CHEN
  • Publication number: 20200411559
    Abstract: An array substrate includes a substrate, a first thin film transistor and a second thin film transistor, where the first thin film transistor includes a first active layer, a first A electrode and a first B electrode, where the first active layer includes an oxide semiconductor active layer; the second thin film transistor includes a second active layer, a second A electrode and a second B electrode, where the second active layer includes a low temperature polysilicon active layer; where the first active layer is disposed on a side of the second active layer facing away from the substrate, and in a direction perpendicular to a plane where the substrate is located, the first A electrode, the first B electrode, the second A electrode, the second B electrode are disposed between a film where the first active layer is located and a film where the second active layer is located.
    Type: Application
    Filed: January 6, 2020
    Publication date: December 31, 2020
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventor: Tianyi Wu
  • Patent number: 10871684
    Abstract: A display panel and a display device are provided. The display panel includes a display region, a color film substrate, and an array substrate. The display region includes transmissive regions each including color sub-pixels, and reflective regions each including black-and-white sub-pixels. A first common electrode is configured in the color film substrate corresponding to all of the transmissive regions and the reflective regions. A plurality of first pixel electrodes is configured in a portion of the array substrate corresponding to the transmissive regions. A plurality of second pixel electrodes, a reflective layer and a plurality of first thin-film transistors are configured in a portion of the array substrate corresponding to the reflective regions. One first thin-film transistor is electrically connected to one first pixel electrode. A second common electrode is configured in the array substrate corresponding to all of the transmissive regions and the reflective regions.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: December 22, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Mingwei Zhang, Baoling Liu, Xiangjian Kong
  • Patent number: 10873055
    Abstract: Provided are a display panel and a display device. The display panel includes: a substrate and pixel units provided on the substrate, and the pixel units of at least two different colors are adjacently arranged. In a direction facing away from the substrate, one of the pixel units includes a reflective electrode, a light emitting unit and a color resist, and the light emitting unit and the color resist disposed in a same pixel unit have a same color, a vertical projection of a geometric center of the light emitting unit on the substrate is not overlapped with that of a geometric center of the color resist in the same pixel unit on the substrate. A vertical projection of the color resist in the pixel unit on the substrate is overlapped with that of the light emitting unit in a pixel unit closest to the pixel unit on the substrate.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: December 22, 2020
    Assignee: Shanghai Tianma Micro-Electronics Co. Ltd.
    Inventors: Linshan Guo, Zhonghuan Cao, Jujian Fu, Jiaxian Liu
  • Patent number: 10871842
    Abstract: A flexible display device comprises at least one bending area provided with a bending axis and a non-bending area; a flexible display panel having a first surface for displaying images; a flexible insulating layer disposed on the first surface and divided into a plurality of flexible insulating blocks in the at least one bending area; and a touch control unit comprising a first touch control electrode layer in direct contact with the flexible insulating layer. The first touch control electrode layer includes a plurality of first touch control electrodes. Any one of the plurality of flexible insulating blocks corresponds to at least one of the plurality of first touch control electrodes. In a plane of the first surface for displaying images and in a direction perpendicular to the bending axis, a gap between any two adjacent flexible insulating blocks overlaps with a gap between two adjacent first touch control electrodes.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: December 22, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Yingteng Zhai
  • Patent number: 10866450
    Abstract: Liquid crystal display panel and liquid crystal display device are provided. A liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer there-between. The first substrate includes a first base substrate, and gate lines and data lines, on the first base substrate and defining a plurality of sub-pixels. The second substrate includes a second base substrate. At least one heating sensor is disposed between the first and second base substrates. A non-display area includes a first non-display area, disposed around a display area, and a second non-display area, disposed around the first non-display area. Each heating sensor includes at least one sub-sensor and two sensor terminals, including a first and second sensor terminal, respectively connected to two ends of the at least one sub-sensor. At least one of the at least one sub-sensor is disposed in the first non-display area.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: December 15, 2020
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., CHENGDU TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Jian Zhao, Feng Qin, Ling Shen, Zhidan Su