Patents by Inventor Zailong Mo

Zailong Mo 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: 11569274
    Abstract: An array substrate includes a base substrate, a display region formed on the base substrate, and a non-display region formed on the base substrate around the display region. The non-display region includes a detection line that is provided on the base substrate, and a surface of the detection line away from the base substrate is provided in an undulating shape. A display device is further disclosed.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: January 31, 2023
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Taoran Zhang, Da Zhou, Zailong Mo
  • Patent number: 11508763
    Abstract: The present disclosure provides a method for manufacturing an array substrate, an array substrate, and a display device. By first forming holes in a first thin film transistor, then simultaneously performing hydrogen supplementation on the first thin film transistor and a second thin film transistor, and then forming holes in the second thin film transistor, the first thin film transistor and the second thin film transistor can be repaired and compensated in different degrees by hydrogen supplementation.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: November 22, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing BOE Technology Development Co., Ltd.
    Inventors: Taoran Zhang, Jiawei Qu, Linxuan Li, Wenjun Liao, Zailong Mo
  • Patent number: 11502137
    Abstract: Disclosed is a display substrate, comprising a display area and a non-display area surrounding the display area. At least one limit mark group is disposed in the non-display area; the display area has a plurality of sides, and rounded chamfers are formed between adjacent two sides; the non-display area includes a frame part opposite to the sides of the display area and corner parts opposite to the rounded chamfers; and the limit mark group is located at the corner part. Accordingly, the disclosure also provides an organic light emitting device, a film vapor-deposition detecting method of an organic light emitting device, and a display device. According to the disclosure, it is possible to reduce the display defect and the accuracy of film vapor-deposition detection.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: November 15, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Fan Yang, Zailong Mo
  • Publication number: 20220301506
    Abstract: A pixel circuit includes sub-pixel circuits each including a reset sub-circuit, a driving sub-circuit, and a light-emitting device. The reset sub-circuit is configured to input a voltage provided by an initial voltage terminal to the driving sub-circuit under control of a signal from a first reset control terminal. The driving sub-circuit is configured to control a driving current flowing through the light-emitting device according to a data signal output by a data terminal. The sub-pixel circuits include first and second sub-pixel circuits that are located in two adjacent columns, and connected to a same data terminal. A first reset control terminal and a writing control terminal of the first sub-pixel circuit are connected to first and second scanning signal terminals. A first reset control terminal and a writing control terminal of the second sub-pixel circuit are connected to second and third scanning signal terminals.
    Type: Application
    Filed: January 8, 2021
    Publication date: September 22, 2022
    Applicants: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Taoran ZHANG, Da ZHOU, Wenjun LIAO, Zailong MO
  • Patent number: 11404001
    Abstract: The present disclosure relates to the field of display technologies, and in particular, to a pixel driving circuit, a pixel driving method, and a display panel. The pixel driving circuit includes a first switch circuit, a compensation circuit, a power control circuit, a second switch circuit, a driving circuit, an isolation circuit, and an energy storage circuit.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: August 2, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Taoran Zhang, Zailong Mo
  • Patent number: 11367391
    Abstract: A display panel, a display device and a detection method are provided. The display panel includes a display area and a peripheral area surrounding the display area. Pixel units arranged in an array are disposed in the display area. The pixel unit includes a pixel driving circuit. A crack detecting line is disposed in the peripheral area, and the crack detecting line is connected to a reset signal terminal of the pixel driving circuit of at least one pixel unit. The display panel can reduce the influence of the voltage drop over the crack detection line on the brightness during the electrical detection stage, and can also improve the crack detection rate of the peripheral area.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: June 21, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Da Zhou, Taoran Zhang, Zailong Mo, Wenjun Liao
  • Patent number: 11361690
    Abstract: Provided are a display substrate, a method for detecting the same and a display device. The display substrate includes a display area and a non-display area surrounding the display area, the display substrate further includes data lines extending from the display area to the non-display area, the non-display area is provided with at least one switching transistor, a first electrode of each switching transistor is coupled to one of the data lines, a second electrode of each switching transistor is coupled to a data voltage supply circuit, at least one crack detecting wire, corresponding to the at least one switching transistor in one-to-one correspondence, is provided in the display area, an end of the crack detecting wire is coupled to a control electrode of the switching transistor corresponding to the crack detecting wire, another end of the crack detecting wire is coupled to a switching voltage supply circuit.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: June 14, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Taoran Zhang, Zailong Mo, Da Zhou
  • Patent number: 11335221
    Abstract: A method, device and system for detecting a display panel are disclosed. The display panel includes a plurality of groups of pixels, and the method includes: controlling the plurality of groups of pixels to be successively displayed with a first gray scale, and in condition that an ith group of pixels are displayed with the first gray scale, controlling other groups of pixels in the plurality of groups of pixels except the ith group of pixels to be displayed with a second gray scale, the ith group of pixels being any group of pixels in the plurality of groups of pixels; detecting a first current output by the display panel, in a process of displaying the ith group of pixels with the first gray scale; determining that a display abnormality occurs to the ith group of pixels, in condition that the first current is not within a first current range.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: May 17, 2022
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenjun Liao, Da Zhou, Zailong Mo, Yiyang Zhang
  • Publication number: 20220115416
    Abstract: The present disclosure discloses an array substrate, a display panel and a display device. The array substrate includes a base substrate and a capacitor, the capacitor includes a first electrode, a dielectric portion and a second electrode sequentially located on the base substrate; wherein the dielectric portion includes: a first plane facing the second electrode, and a first slope surface extending from the first plane to the base substrate; and an orthographic projection, on the base substrate, of the second electrode is located in a region where an orthographic projection, on the base substrate, of the first plane of the dielectric portion is located.
    Type: Application
    Filed: September 28, 2020
    Publication date: April 14, 2022
    Inventors: Da ZHOU, Taoran ZHANG, Zailong MO, Linxuan LI, Wenjin HUANG
  • Patent number: 11233016
    Abstract: An array substrate and a method for producing the same are disclosed. The array substrate includes a metal pattern and an electrically conductive pattern sequentially formed on a base substrate, the electrically conductive pattern being insulated from the metal pattern. The array substrate further includes a static charge releasing pattern formed in a same layer and made of a same material as the electrically conductive pattern, and which is insulated from the electrically conductive pattern. The metal pattern is a signal line running through a display area of the array substrate, and includes an input end, an output end, and a body portion between the input end and the output end. The output end of the signal line includes an island-like structure, and a width of the island-like structure is greater than that of the body portion. The static charge releasing pattern is electrically connected with the island-like structure.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: January 25, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaofei Yang, Zailong Mo, Yanxia Xin, Ke Dai, Yawen Zhu, Lei Su
  • Publication number: 20210366325
    Abstract: Provided are a display substrate, a method for detecting the same and a display device. The display substrate includes a display area and a non-display area surrounding the display area, the display substrate further includes data lines extending from the display area to the non-display area, the non-display area is provided with at least one switching transistor, a first electrode of each switching transistor is coupled to one of the data lines, a second electrode of each switching transistor is coupled to a data voltage supply circuit, at least one crack detecting wire, corresponding to the at least one switching transistor in one-to-one correspondence, is provided in the display area, an end of the crack detecting wire is coupled to a control electrode of the switching transistor corresponding to the crack detecting wire, another end of the crack detecting wire is coupled to a switching voltage supply circuit.
    Type: Application
    Filed: November 8, 2018
    Publication date: November 25, 2021
    Inventors: Taoran ZHANG, Zailong MO, Da ZHOU
  • Publication number: 20210358408
    Abstract: The present disclosure relates to the field of display technologies, and in particular, to a pixel driving circuit, a pixel driving method, and a display panel. The pixel driving circuit includes a first switch circuit, a compensation circuit, a power control circuit, a second switch circuit, a driving circuit, an isolation circuit, and an energy storage circuit.
    Type: Application
    Filed: January 30, 2019
    Publication date: November 18, 2021
    Inventors: Taoran ZHANG, Zailong MO
  • Publication number: 20210358979
    Abstract: An array substrate includes a base substrate, a display region formed on the base substrate, and a non-display region formed on the base substrate around the display region. The non-display region includes a detection line that is provided on the base substrate, and a surface of the detection line away from the base substrate is provided in an undulating shape. A display device is further disclosed.
    Type: Application
    Filed: January 31, 2019
    Publication date: November 18, 2021
    Inventors: Taoran ZHANG, Da ZHOU, Zailong MO
  • Publication number: 20210351249
    Abstract: Disclosed is a display substrate, comprising a display area and a non-display area surrounding the display area. At least one limit mark group is disposed in the non-display area; the display area has a plurality of sides, and rounded chamfers are formed between adjacent two sides; the non-display area includes a frame part opposite to the sides of the display area and corner parts opposite to the rounded chamfers; and the limit mark group is located at the corner part. Accordingly, the disclosure also provides an organic light emitting device, a film vapor-deposition detecting method of an organic light emitting device, and a display device. According to the disclosure, it is possible to reduce the display defect and the accuracy of film vapor-deposition detection.
    Type: Application
    Filed: August 7, 2018
    Publication date: November 11, 2021
    Inventors: Fan YANG, Zailong MO
  • Publication number: 20210328201
    Abstract: A mask plate is provided to be divided into at least a transmissive region and a shading region. The mask plate includes a main body and a projection structure disposed on the main body at an edge of the shading region adjacent to the transmissive region; and the projection structure protrudes away from the main body, and a thickness of the projection structure in a direction perpendicular to a plane of the main body decreases gradually in a direction from the transmissive region to the shading region. The mask plate of the present disclosure can prevent the broken deposits formed in the vapor deposition process from peeling off, reduce the deposition shadow, and prolong the service time of the mask plate, thereby improving the productivity and reducing the cost.
    Type: Application
    Filed: November 13, 2018
    Publication date: October 21, 2021
    Inventors: Da ZHOU, Zhiliang JIANG, Zailong MO, Xuefeng LV
  • Publication number: 20210225218
    Abstract: A method, device and system for detecting a display panel are disclosed. The display panel includes a plurality of groups of pixels, and the method includes: controlling the plurality of groups of pixels to be successively displayed with a first gray scale, and in condition that an ith group of pixels are displayed with the first gray scale, controlling other groups of pixels in the plurality of groups of pixels except the ith group of pixels to be displayed with a second gray scale, the ith group of pixels being any group of pixels in the plurality of groups of pixels; detecting a first current output by the display panel, in a process of displaying the ith group of pixels with the first gray scale; determining that a display abnormality occurs to the ith group of pixels, in condition that the first current is not within a first current range.
    Type: Application
    Filed: February 1, 2018
    Publication date: July 22, 2021
    Inventors: Wenjun LIAO, Da ZHOU, Zailong MO, Yiyang ZHANG
  • Patent number: 10950176
    Abstract: The present disclosure discloses a pixel compensation circuit, a driving method, an electroluminescent display panel and a display device. Due to the interaction of a data writing circuit, a voltage input circuit, a discharge control circuit, a storage circuit, a conduction control circuit and a driving circuit, the compensation for a threshold voltage of the driving circuit and IR Drop of a first power signal may be realized by a simple structure and a simple time sequence.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: March 16, 2021
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Taoran Zhang, Zailong Mo, Da Zhou, Ke Dai, Yiyang Zhang
  • Patent number: 10930886
    Abstract: The present disclosure provides a method for manufacturing an OLED display screen and an OLED display screen. The method includes: providing a base substrate; forming OLED devices on the base substrate; forming a protection layer on the OLED devices; forming a cavity extending through the protection layer and a function layer of the OLED devices in a region where a through hole is to be formed; and forming a film encapsulation layer with the film encapsulation layer covering a lateral wall of the function layer of the OLED devices that defines the cavity.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: February 23, 2021
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO.. LTD.
    Inventors: Ke Dai, Zailong Mo, Xiaodong Zhao, Taoran Zhang
  • Publication number: 20210027706
    Abstract: The present disclosure discloses a pixel compensation circuit, a driving method, an electroluminescent display panel and a display device. Due to the interaction of a data writing circuit, a voltage input circuit, a discharge control circuit, a storage circuit, a conduction control circuit and a driving circuit, the compensation for a threshold voltage of the driving circuit and IR Drop of a first power signal may be realized by a simple structure and a simple time sequence.
    Type: Application
    Filed: January 2, 2019
    Publication date: January 28, 2021
    Inventors: Taoran ZHANG, Zailong MO, Da ZHOU, Ke DAI, Yiyang ZHANG
  • Patent number: 10872566
    Abstract: The present disclosure relates to an OLED pixel circuit, a method for driving the same and a display device. The OLED pixel circuit includes: a data writing and compensating circuit configured to make compensation to a threshold voltage of the first driver; the first driver configured to drive the light emitting device after the threshold voltage is compensated; the second driver configured to drive the light emitting device; the light emitting controller connected to the light emitting device and a second signal terminal, and configured to connect the first driver and the second driver to the light emitting device; and the light emitting device emitting light by joint driving of the first driver and the second driver.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: December 22, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiawei Qu, Wenjun Liao, Linxuan Li, Taoran Zhang, Qiao Feng, Da Zhou, Zailong Mo, Cailong Zhou