Patents by Inventor Zhenxiao TONG

Zhenxiao TONG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10997905
    Abstract: The present disclosure discloses a display panel and a display device. At least one load compensation unit is arranged in a non-display area, and the at least one load compensation unit can be configured to adjust the charging time of pixels by controlling gate lines, thereby making brightness of each area of the display screen uniform.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 4, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Zhenxiao Tong, Weiyun Huang, Xiangdan Dong, Tingliang Liu, Yunsheng Xiao
  • Patent number: 10944073
    Abstract: The present application discloses a display panel having a display area and a peripheral area. The display panel includes a base substrate; a display unit on the base substrate; an encapsulating layer on a side of the display unit distal to the base substrate and encapsulating the display unit; and a first crack barrier layer on the base substrate and in the peripheral area and forming a first enclosure substantially surrounding a first area. The encapsulating layer includes a first inorganic sub-layer. The first inorganic sub-layer includes a first part enclosed inside the first area by the first crack barrier layer.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: March 9, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Weiyun Huang, Zhenxiao Tong, Wuyang Zhao, Youngyik Ko
  • Patent number: 10937989
    Abstract: A display panel includes a first substrate, a light-emitting component located on the first substrate, and an encapsulation part located on the first substrate. A receiving cavity is formed between the encapsulation part and the first substrate. The receiving cavity has a light-emitting region inside. The light-emitting component is located within the light-emitting region. The display panel further includes at least one water vapor detecting part located on the first substrate and inside the receiving cavity. The at least one water vapor detecting part is disposed outside the light-emitting region. Each of the water vapor detecting part has different light transmittance before and after water absorption.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: March 2, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tingliang Liu, Hongwei Ma, Yue Long, Xiangdan Dong, Weiyun Huang, Yang Wang, Yunsheng Xiao, Zhenxiao Tong
  • Publication number: 20210027704
    Abstract: The present disclosure discloses a display panel and a display device. At least one load compensation unit is arranged in a non-display area, and the at least one load compensation unit can be configured to adjust the charging time of pixels by controlling gate lines, thereby making brightness of each area of the display screen uniform.
    Type: Application
    Filed: May 20, 2019
    Publication date: January 28, 2021
    Inventors: Zhenxiao TONG, Weiyun HUANG, Xiangdan DONG, Tingliang LIU, Yunsheng XIAO
  • Patent number: 10872938
    Abstract: The disclosure discloses an electroluminescent display panel, a method for fabricating the same, and a display device. Where the electroluminescent display panel includes: a base substrate; a pixel definition layer located on the base substrate and including a plurality of opening regions for defining sub-pixel light-emitting areas; and light-emitting function layers, which cover the plurality of opening regions in a one-to-one correspondence manner, of sub-pixels; where the plurality of opening regions include normally-shaped opening regions and abnormally-shaped opening regions at an edge of an abnormally-shaped display area; and an area of each of the abnormally-shaped opening regions is smaller than an area of a normally-shaped opening region for defining a sub-pixel having a same light-emitting color.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: December 22, 2020
    Assignees: BOE Technology Group Co., Ltd., Chengdu BOE Optoelectronics Technology Co., Ltd.
    Inventors: Tianyi Cheng, Young Yik Ko, Weiyun Huang, Yue Long, Zhenxiao Tong, Jingzhe Fang, Yujing Piao, Shunnv Qian
  • Publication number: 20200127228
    Abstract: The present application discloses a display panel having a display area and a peripheral area. The display panel includes a base substrate; a display unit on the base substrate; an encapsulating layer on a side of the display unit distal to the base substrate and encapsulating the display unit; and a first crack barrier layer on the base substrate and in the peripheral area and forming a first enclosure substantially surrounding a first area. The encapsulating layer includes a first inorganic sub-layer. The first inorganic sub-layer includes a first part enclosed inside the first area by the first crack barrier layer.
    Type: Application
    Filed: December 5, 2017
    Publication date: April 23, 2020
    Applicants: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Weiyun Huang, Zhenxiao Tong, Wuyang Zhao, Youngyik Ko
  • Patent number: 10593286
    Abstract: A shift register, a gate driving circuit, a display panel and a driving method. The shift register includes: an input and set circuit, connected with a pull-up node; a storage circuit, connected with the pull-up node and an output end respectively; an output circuit, configured to provide a second clock signal to the output end when a voltage of the pull-up node satisfies an output condition; and a first pull-down circuit, configured to provide a first power voltage to the output end when a first pull-down condition is satisfied. The input and set circuit is further configured to: in a set stage of forward scanning or an input stage of reverse scanning, receive a third clock signal and a second input signal, and in response to the third clock signal, write a voltage of the second input signal into the pull-up node.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: March 17, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Bo Wu, Wen Tan, Zhenxiao Tong
  • Publication number: 20200005704
    Abstract: A display method includes: acquiring image data of an irregularly-shaped area of a display panel; performing smoothing processing on the image data of the irregularly-shaped area to generate image compensation data; and converting the image compensation data into a driving compensation voltage to be output to the display panel.
    Type: Application
    Filed: December 12, 2018
    Publication date: January 2, 2020
    Inventors: Zhenxiao TONG, Youngyik KO, Weiyun HUANG, Yue LONG, Tianyi CHENG
  • Publication number: 20190305057
    Abstract: The disclosure discloses an electroluminescent display panel, a method for fabricating the same, and a display device. Where the electroluminescent display panel includes: a base substrate; a pixel definition layer located on the base substrate and including a plurality of opening regions for defining sub-pixel light-emitting areas; and light-emitting function layers, which cover the plurality of opening regions in a one-to-one correspondence manner, of sub-pixels; where the plurality of opening regions include normally-shaped opening regions and abnormally-shaped opening regions at an edge of an abnormally-shaped display area; and an area of each of the abnormally-shaped opening regions is smaller than an area of a normally-shaped opening region for defining a sub-pixel having a same light-emitting color.
    Type: Application
    Filed: August 29, 2018
    Publication date: October 3, 2019
    Inventors: Tianyi Cheng, Young Yik Ko, Weiyun Huang, Yue Long, Zhenxiao Tong, Jingzhe Fang, Yujing Piao, Shunnv Qian
  • Publication number: 20190304364
    Abstract: The disclosure discloses a pixel compensation circuit, a method for driving the same, a display panel, and a display device. The pixel compensation circuit includes: a first initialization sub-circuit, a second initialization sub-circuit, an IR drop control sub-circuit, a data writing sub-circuit, a compensation sub-circuit, a driver sub-circuit, a light-emission control sub-circuit, and a light emitting element. The compensation sub-circuit compensates for threshold voltage of the driver sub-circuit, and the IR drop control sub-circuit decreases the influence of the IR drop of a signal of the high-level power supply terminal to the operating current of the light emitting element.
    Type: Application
    Filed: October 9, 2018
    Publication date: October 3, 2019
    Inventors: Yunsheng Xiao, Zhenxiao Tong, Xiangdan Dong, Tingliang Liu, Hongwei Ma
  • Publication number: 20190140206
    Abstract: A display panel includes a first substrate, a light-emitting component located on the first substrate, and an encapsulation part located on the first substrate. A receiving cavity is formed between the encapsulation part and the first substrate. The receiving cavity has a light-emitting region inside. The light-emitting component is located within the light-emitting region. The display panel further includes at least one water vapor detecting part located on the first substrate and inside the receiving cavity. The at least one water vapor detecting part is disposed outside the light-emitting region. Each of the water vapor detecting part has different light transmittance before and after water absorption.
    Type: Application
    Filed: July 31, 2018
    Publication date: May 9, 2019
    Inventors: Tingliang LIU, Hongwei MA, Yue LONG, Xiangdan DONG, Weiyun HUANG, Yang WANG, Yunsheng XIAO, Zhenxiao TONG
  • Patent number: 10198990
    Abstract: A device and method for temperature detection, a device and method for compensating for temperature of display panel, and a display device are disclosed. The device for temperature detection includes: a first inverter, inverting a voltage signal at an input terminal thereof to output an inverted signal; a delay assembly, delaying the inverted signal and outputting a delayed inverted signal as an output signal; a switching transistor, applying a first voltage signal to the input terminal of the first inverter from a first voltage signal terminal based on the output signal; a first capacitor, including a first terminal coupled to a first electrode of the switching transistor and a second terminal coupled to the input terminal of the first inverter; and a temperature sensing transistor, configured so that a channel current of the temperature sensing transistor is proportional to a temperature at the sub-threshold bias voltage.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: February 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zhenxiao Tong
  • Patent number: 10186192
    Abstract: A pixel circuit and a driving method thereof and a display device. The pixel circuit includes: a first reverse bias unit, and a first sub-pixel circuit and a second sub-pixel circuit adjacent to each other. The first sub-pixel circuit includes a first light-emitting unit; the second sub-pixel circuit includes a second light-emitting unit. The first light-emitting unit is connected with a first drive node and a second bias output node; the second light-emitting unit is connected with a second drive node and a first bias output node; the first reverse bias unit is connected with the first drive node, the second drive node, the second bias output node, the first bias output node, a first bias control terminal and a second bias control terminal.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: January 22, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhenxiao Tong, Dongmei Wei
  • Publication number: 20190006395
    Abstract: The disclosure discloses an array substrate, a method for manufacturing the same, and a display panel, and the array substrate includes a gate, an active layer, a source, and a drain arranged on a base substrate in that order; and further includes: a light blocking layer, where a positive projection of the active layer onto the base substrate overlaps with both of a positive projection of the light blocking layer onto the base substrate, and a positive projection of the gate onto the base substrate; the positive projection of the active layer onto the base substrate lies in positive projections of the light blocking layer and the gate onto the base substrate; and an area of the positive projection of the gate onto the base substrate is smaller than an area of the positive projection of the active layer onto the base substrate.
    Type: Application
    Filed: March 26, 2018
    Publication date: January 3, 2019
    Inventors: Dongmei WEI, Xiaoxiang HE, Zhenxiao TONG
  • Publication number: 20180293937
    Abstract: A device and method for temperature detection, a device and method for compensating for temperature of display panel, and a display device are disclosed. The device for temperature detection includes: a first inverter, inverting a voltage signal at an input terminal thereof to output an inverted signal; a delay assembly, delaying the inverted signal and outputting a delayed inverted signal as an output signal; a switching transistor, applying a first voltage signal to the input terminal of the first inverter from a first voltage signal terminal based on the output signal; a first capacitor, including a first terminal coupled to a first electrode of the switching transistor and a second terminal coupled to the input terminal of the first inverter; and a temperature sensing transistor, configured so that a channel current of the temperature sensing transistor is proportional to a temperature at the sub-threshold bias voltage.
    Type: Application
    Filed: May 10, 2017
    Publication date: October 11, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Zhenxiao TONG
  • Publication number: 20180226019
    Abstract: A pixel circuit and a driving method thereof and a display device. The pixel circuit includes: a first reverse bias unit, and a first sub-pixel circuit and a second sub-pixel circuit adjacent to each other. The first sub-pixel circuit includes a first light-emitting unit; the second sub-pixel circuit includes a second light-emitting unit. The first light-emitting unit is connected with a first drive node and a second bias output node; the second light-emitting unit is connected with a second drive node and a first bias output node; the first reverse bias unit is connected with the first drive node, the second drive node, the second bias output node, the first bias output node, a first bias control terminal and a second bias control terminal.
    Type: Application
    Filed: May 19, 2017
    Publication date: August 9, 2018
    Inventors: Zhenxiao TONG, Dongmei WEI
  • Publication number: 20180151148
    Abstract: A shift register, a gate driving circuit, a display panel and a driving method. The shift register includes: an input and set circuit, connected with a pull-up node; a storage circuit, connected with the pull-up node and an output end respectively; an output circuit, configured to provide a second clock signal to the output end when a voltage of the pull-up node satisfies an output condition; and a first pull-down circuit, configured to provide a first power voltage to the output end when a first pull-down condition is satisfied. The input and set circuit is further configured to: in a set stage of forward scanning or an input stage of reverse scanning, receive a third clock signal and a second input signal, and in response to the third clock signal, write a voltage of the second input signal into the pull-up node.
    Type: Application
    Filed: September 14, 2017
    Publication date: May 31, 2018
    Inventors: Bo WU, Wen TAN, Zhenxiao TONG