Patents Assigned to Shanghai Tianma AM-OLED Co., Ltd
  • Patent number: 10614753
    Abstract: The present disclosure provides a display panel and an electronic device including the display panel. The display panel includes a plurality of sub-pixels and a plurality of pixel units. The plurality of sub-pixels includes at least a first color sub-pixel and at least a second color sub-pixel. The plurality of sub-pixels and the plurality of pixel units are arranged in a one-to-one correspondence manner. The display panel provided by the present disclosure can greatly reduce the difficulty of the preparation process while remaining a high aperture ratio, thereby improving the production yield of the display panel, significantly reducing the preparation cost of the display panel, greatly improving the display performance of the display panel, providing a comfortable user experience.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: April 7, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Wanwan Xia, Xian Chen, Lijing Han, Yu Xin
  • Patent number: 10613402
    Abstract: The present application discloses a display panel, a method of manufacturing the display panel, and a display device. The display panel comprises an array substrate, a cover plate and frame glue, wherein the array substrate comprises a first metal strip and a second metal strip arranged in a packaging area; in the packaging area on a given side of a display area, the first metal strip comprises a plurality of first metal lines, the second metal strip comprises a plurality of second metal lines, and the first metal lines and the second metal lines intersect; and the array substrate has a maximum thickness at locations where the first metal lines intercept second metal lines.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: April 7, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Peng Zhang, Congyi Su
  • Patent number: 10615359
    Abstract: Disclosed are an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate, a second electrode, a light-emitting layer, a first hole transport layer and a first electrode that are successively laminated, wherein, the materials of both the first electrode and the second electrode are silver or silver-containing metallic materials, the material of the first hole transport layer is a conductive material doped with a P-type semiconductor material or a P-type semiconductor material layer is set between the first hole transport layer and the first electrode.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: April 7, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xiangcheng Wang, Jinghua Niu, Yuji Hamada, Wei He, Wanming Hua, Shuang Cheng
  • Patent number: 10615375
    Abstract: The invention discloses an organic light-emitting display panel, an electronic device and a method for manufacturing the same. The organic light-emitting display panel includes: pixel regions on a substrate which emit light of various colors; each pixel region includes a first electrode, a light-emitting functional layer and a second electrode, one of the first electrode and the second electrode is light exit side electrode(s); an optical coupling layer is set on one side of the light exit side electrode far from the light-emitting functional layer; the refractive index of the optical coupling layer in the blue light wavelength region is 2 to 2.3; the difference between the refractive index of the optical coupling layer in the blue light wavelength region and that in the green light wavelength region is less than or equal to 0.2.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: April 7, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Wanming Hua, Xiangcheng Wang, Hongyang Ren, Yuji Hamada, Wei He, Jinghua Niu, Chen Liu
  • Publication number: 20200106023
    Abstract: The present disclosure relates to a thermally activated delayed material and an organic photoelectric device comprising the same, and the thermally activated delayed material is a compound having the structure of formula (I). The organic photoelectric device comprises an anode, a cathode, and an organic thin film layer between the anode and the cathode; the organic thin film layer comprises a light emitting layer, and any one selected from the group consisting of a hole transporting layer, a hole injection layer, an electron blocking layer, a hole blocking layer, an electron transporting layer, an electron injection layer, and a combination of at least two thereof. The light emitting layer comprises any one or a combination of at least two of the thermally activated delayed materials, and the compound is used as any one of a dopant material, a co-doping material, or a host material.
    Type: Application
    Filed: May 10, 2019
    Publication date: April 2, 2020
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Lei Zhang, Wei Gao, Qing Zhu, Jinghua Niu, Gaojun Huang
  • Patent number: 10607521
    Abstract: The embodiments of the present disclosure provide an emission controller, a control method thereof and a display device, capable of preventing luminance of sub-pixels from deviating from its standard value and improving display quality. The emission controller includes a plurality of emission control circuits each including: a first processing module configured to receive a first voltage signal, provide a first signal to a first node and a second signal to a second node; a second processing module configured to provide a third signal to a third node; a third processing module configured to receive a second voltage signal and provide a fourth signal to the first and third nodes; a fourth processing module configured to pull down signal at the first node; and a gating module configured to receive the first voltage signal and the second voltage signal and provide an emission control signal to the emission control signal terminal.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: March 31, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Kerui Xi, Tingting Cui, Feng Qin, Xingyao Zhou, Boquan Lin
  • Patent number: 10607540
    Abstract: Provided are a display panel and a display device. A pixel circuit in the disclosed display panel includes a driving module, a data writing module, a storage module, and at least one control module. The data writing module is configured to write a data signal into a control terminal of the driving module. The storage module is electrically connected to the control terminal of the driving module for maintaining a voltage on the control terminal of the driving module in an emit-lighting phase. The control module is electrically connected to the control terminal of the driving module for writing a signal into the control terminal of the driving module prior to the light-emitting stage. At least one hollowed structure is provided on the continuous gate structure of the control transistor of the control module. At least one channel's width-to-length ratio is different from others among the overlapping portions' channels.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 31, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Kerui Xi, Tingting Cui, Baiquan Lin, Junting Ouyang, Ruiyuan Zhou
  • Patent number: 10600361
    Abstract: A display panel and a threshold detection method are provided. The display panel includes a plurality of data signal lines configured to transmit data signals, a plurality of scanning lines configured to transmit driving signals, a plurality of reference voltage signal lines configured to transmit reference voltage signals, and a plurality of pixels enclosed and defined by the mutually insulated data signal lines and scanning lines. A pixel driving circuit is disposed in each pixel, and each pixel driving circuit corresponds to one data signal line and one reference voltage signal line. The pixel driving circuits are arranged in a plurality of rows.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: March 24, 2020
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Dong Qian, Zeyuan Chen, Wenhui Zou, Dongxu Xiang, Gang Liu
  • Patent number: 10600851
    Abstract: An organic light-emitting display panel includes an array substrate including a plurality of driving elements; a plurality of organic light-emitting components corresponding to the plurality of driving elements; and a plurality of fingerprint identification units, where each organic light-emitting component includes an anode and a cathode, and light emitted by the organic light-emitting component emits away from the array substrate, a pixel defining layer is disposed between adjacent organic lighting emitting components, a fingerprint identification unit is disposed at a non-display area between organic light-emitting components and on a side of the pixel defining layer away from the array substrate, and a periphery of the fingerprint identification unit is provided with a light-shielding layer, and the light-shielding layer blocks the fingerprint identification unit from illumination by the light emitted by the organic light-emitting component.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: March 24, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xiangcheng Wang, Jinghua Niu, Ding Li, Ping An
  • Patent number: 10599273
    Abstract: A display panel and a display device include first electrodes arranged in first direction and extending in second direction, and second electrodes arranged in second direction and extending in first direction; any two adjacent first electrode blocks in each first electrode are electrically connected to each other by a first connection electrode; any two adjacent second electrode blocks in each second electrode are connected to each other by a bridge structure, each bridge structure includes at least two bridges; each first connection electrode includes a first overlapping electrode and a first non-overlapping electrode, orthographic projections of the first overlapping electrode and the bridges on the display panel overlap, and orthographic projections of the first non-overlapping electrode and the bridges on the display panel do not overlap; and the first overlapping electrode has a length in the first direction smaller than the first non-overlapping electrode in the first direction.
    Type: Grant
    Filed: May 21, 2018
    Date of Patent: March 24, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Jiayao Yang, Yilin Xu, Juan Zhu
  • Patent number: 10600353
    Abstract: Disclosed are a method for driving a pixel circuit, a display panel and a display device. The pixel circuit includes: a data write module, a drive transistor, a hold module and a light-emitting element. The method comprises, in a time period for a frame of display: a data writing stage in which a data signal is written by the data write module into a gate electrode of the drive transistor; a light-emitting stage in which a voltage on the gate electrode of the drive transistor is held by the hold module, the drive transistor supplies a drive current to the light-emitting element, and the light-emitting element emits light in response to the drive current; and a cut-off stage in which the drive transistor operates in a full cut-off region.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: March 24, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Kerui Xi, Tingting Cui, Baiquan Lin, Junting Ouyang, Zhonglan Cai
  • Patent number: 10586511
    Abstract: A display panel, a driving method, and a display device are provided. The display panel includes display area including main display area and auxiliary display area. Auxiliary display area has a smaller length than the main display area in row direction. Each auxiliary display area includes first display area, and non-rectangular display area having curved edge. First boundary is between each non-rectangular display area and first display area. Second boundary is between each non-rectangular display area and main display area. Each sector-shaped region has a vertex that is a center of circle corresponding to curved edge. Each sector-shaped region has attenuation transition zone having smaller width than radius of sector-shaped region. Width of attenuation transition zone adjacent to first boundary and width of attenuation transition zone adjacent to second boundary are smaller than width of attenuation transition zone of other sector-shaped regions.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 10, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Bin Yang, Bojia Lv, Xiangzi Kong
  • Patent number: 10580361
    Abstract: Provided are an organic light-emitting display panel and an organic display device, the organic light-emitting display panel includes: a display region and at least one peripheral circuit region; the peripheral circuit region is provided with shift registers cascaded in stages and clock signal lines of at least two different types, the number of clock signal lines in at least one of the different types is not less than 2, clock signals of one type of the clock signal lines are the same, clock signals of different types of the clock signal lines are different; the clock signal lines each is electrically connected to a clock signal input terminal of one of the shift registers, the shift registers each is configured to output a gate driving signal according to the clock signal in the clock signal line electrically connected to the input terminal of one of the shift registers.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: March 3, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Renyuan Zhu, Yue Li, Dongxu Xiang, Yana Gao, Xingyao Zhou
  • Patent number: 10573220
    Abstract: Disclosed are a display panel and an electronic device. The display panel includes sub-pixels arranged in an array, wherein each pixel row of the sub-pixels comprises 3n sub-pixels, with every six adjacent sub-pixels of the pixel row forming a pixel group, n?2, and the six adjacent sub-pixels of the pixel group are arranged in sequential order in a first direction parallel to the row direction. The display panel further includes a controller, where in a first display mode the controller controls each of the sub-pixels to be charged to emit light; and in a second display mode the controller controls at most two sub-pixels of each of the pixel groups in at least one of the pixel rows to not emit light, and controls at most two sub-pixels of the pixel group which have same order in two adjacent frames of pictures to not emit light.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: February 25, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Dongxu Xiang, Yue Li, Zeyuan Chen, Yana Gao, Renyuan Zhu, Zhonglan Cai
  • Patent number: 10566577
    Abstract: An organic light emitting display device and an organic light emitting display apparatus are provided. The organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a capping layer positioned on a surface of a side of the second electrode far away from the light emitting layer, the capping layer is formed as a single layer or superposition of a plurality of layers, the at least one layer of the capping layer is a composite layer, and the composite material of the composite layer comprises an organic material and a metal dopant.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: February 18, 2020
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yinhe Liu, Wei He, Xiangcheng Wang, Yuji Hamada, Jinghua Niu, Qing Zhu
  • Patent number: 10565424
    Abstract: A display panel is provided. The display panel includes a plurality of pixel units arranged in a fingerprint recognition region. Each of the plurality of pixel units includes a first electrode and a light-emitting layer. A driving unit of each pixel unit includes a storage capacitor. An orthographic projection of the storage capacitor on a plane of the display panel is located within an orthographic projection of the corresponding first electrode on the plane of the display panel. An orthographic projection of the light-emitting layer of each organic light-emitting device on the plane of the display panel is located within an orthographic projection of the corresponding first electrode. A distance between an edge of an orthographic projection of the first electrode and an edge of an orthographic projection of the light-emitting layer of each red and/or green organic light-emitting device is larger that of each blue organic light-emitting device.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: February 18, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu Xin, Lijing Han, Xian Chen
  • Patent number: 10565422
    Abstract: The present disclosure provides a display panel and a display device. The display panel has a display area, and at least a part of the display area is a fingerprint recognition region. The display panel includes: a base substrate; a plurality of pixel circuits provided on the base substrate, each of which comprises a storage capacitor; and a plurality of fingerprint recognition units provided on a side of the storage capacitor facing away from a light-out surface of the display panel, and a projection of the plurality of fingerprint recognition units in a direction perpendicular to the base substrate is located within the fingerprint recognition region. The storage capacitor includes a first electrode and a second electrode disposed opposite to each other. At least one of the first electrode and the second electrode is a transparent electrode.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: February 18, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: XingYao Zhou, Yana Gao, Yuan Li
  • Publication number: 20200044182
    Abstract: Provided are an organic light-emitting display panel and an organic light-emitting display apparatus. The organic light-emitting display panel includes an array base substrate including a plurality of driving elements, and includes a plurality of organic light-emitting devices. Each of the plurality of organic light-emitting devices is corresponding to a respective one of the plurality of driving elements, and the each of the plurality of organic light-emitting devices includes an anode and a cathode, a cathode, an organic luminous layer, an electron transport layer, and a transition layer. The organic luminous layer is disposed between the anode and the cathode, the electron transport layer is disposed between the luminous layer and the cathode, and the transition layer is disposed between the cathode and the electron transport layer, and the transition layer includes an organic material.
    Type: Application
    Filed: January 10, 2019
    Publication date: February 6, 2020
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Weili Qiao, Jinghua Niu, Xiaoqian Sun
  • Patent number: 10553810
    Abstract: The present disclosure relates to an OLED display panel, comprising a first electrode and a second electrode, a light emitting layer and a first auxiliary light emitting layer disposed between the first electrode and the second electrode, the first auxiliary light emitting layer is disposed between the light emitting layer and the second electrode, wherein the first auxiliary light emitting layer includes at least a first electron-type auxiliary light emitting layer, wherein the first electron-type auxiliary light emitting layer includes a host material and a metal element doped in the host material; the host material has at least one pyridyl group and an aromatic group conjugated to the at least one pyridyl group; and the glass transition temperature of the host material is ?90° C. The present disclosure can improve the luminous efficiency and lifetime of an organic photoelectronic device and reduce its voltage by using this method.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: February 4, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Ying Liu, Xiangcheng Wang, Hongyang Ren, Yuji Hamada, Wei He, Chen Liu, Jie Li
  • Publication number: 20200035929
    Abstract: The present disclosure relates to a nitrogen heterocycle fused ring-indene compound having a structure represented by the Formula (I), in which Ar1 represents a substituted or unsubstituted aromatic fused ring group containing at least one nitrogen heteroaryl; Ar2 represents a chemical group acting as an electron donor; R1 and R2 are independently selected from the group consisting of hydrogen, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C3-C20 cycloalkyl, substituted or unsubstituted C1-C20 alkoxy, substituted or unsubstituted C3-C20 heterocyclyl, substituted or unsubstituted C6-C40 aryl, and substituted or unsubstituted C5-C40 heteroaryl. The compounds according to the present disclosure have high glass transition temperature and thermal stability, and are easy to form a high-quality amorphous film, so that a driving voltage can be lowered, the luminous efficiency and lifetime of the device are improved.
    Type: Application
    Filed: December 6, 2018
    Publication date: January 30, 2020
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Lei Zhang, Xiangcheng Wang, Wei Gao, Jinghua Niu, Ying Liu, Gaojun Huang, Ping An, Xueqiang Luo