Patents by Inventor Jianfeng Yuan

Jianfeng Yuan 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: 10559698
    Abstract: Embodiments of the present application provide an Oxide TFT, a manufacturing method thereof, an array substrate and a display device. The Oxide TFT includes a base substrate; a gate electrode, a gate insulating layer and an active layer which are located on the base substrate; a source electrode and a drain electrode, the active layer is at least partly covered with the source electrode and the drain electrode; and a channel protection layer located between the source electrode and the drain electrode, each of the source electrode and the drain electrode includes at least part of a first metallic layer and at least part of a second metallic layer, the first metallic and the second metallic layer are stacked one on another, the channel protection layer is of a metal oxide.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: February 11, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaowei Liu, Bo Liu, Yang Wang, Liangliang Li, Zheng Liu, Hongjiang Wu, Jianfeng Yuan
  • Patent number: 10339846
    Abstract: The present disclosure provides a device and method for circuit testing and a display device applying the same. The device for circuit testing includes a detection circuit configured to detect whether a display panel and a printed circuit board are electrically conductive, wherein the detection circuit includes: a first metal redundant track configured to input an electrical detection signal; a second metal redundant track bonded to the first metal redundant track via a first anisotropic conductive film; a third metal redundant track electrically connected to the second metal redundant track; and a fourth metal redundant track bonded to the third metal redundant track via a second anisotropic conductive film.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 2, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongxi Li, Weiqiang Li, Yabin Lin, Jianfeng Yuan
  • Patent number: 10332913
    Abstract: The invention discloses an array substrate, a color substrate, and manufacturing methods thereof, a display panel and a display device. The array substrate includes a plurality of gate lines and a plurality of data lines provided on a first base substrate to be intersected with each other, the gate lines and the data lines define a plurality of pixel units and at least part of the pixel units each provided therein with a first electrode, when the plurality of gate lines are sequentially scanned, the first electrode is loaded with a first voltage signal and a region corresponding to the first electrode is in a transparent state, and when the plurality of gate lines are reversely scanned, the first electrode is loaded with a second voltage signal, and a region corresponding to the first electrode is in a non-transparent state. The invention realizes a high switchover efficiency.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: June 25, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Huabin Chen, Jianfeng Yuan
  • Patent number: 10310646
    Abstract: This disclosure discloses a touch display panel, a driving method thereof and a touch display device. The touch display panel comprises a first substrate and a second substrate aligned with each other; a first signal transmission line and a second signal transmission line arranged on the first substrate, the second signal transmission line intersecting with the first signal transmission line; gate lines and data lines arranged on the second substrate, the second substrate being further provided with a first signal output end and a second signal output end led out from the gate lines and arranged alternately; and a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: June 4, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Huabin Chen, Ruirui Wang, Bin Feng, Jianfeng Yuan
  • Patent number: 10304861
    Abstract: The present disclosure provide an array substrate and a method of manufacturing the same, and a display panel. The array substrate includes: a base substrate; a first signal transmission layer comprising a common electrode line; a first insulating layer covering the first signal transmission layer and having a first through hole at a position corresponding to the common electrode line; a first electrode layer located on the first insulating layer, the first electrode layer comprising a connection electrode located at the position of the first through hole; a second insulating layer covering the first electrode layer and having a second through hole at a position corresponding to the connection electrode; and a second electrode layer comprising a common electrode that covers the second through hole; the connection electrode contacts the common electrode line and the common electrode respectively.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 28, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shoukun Wang, Jianfeng Yuan, Huibin Guo, Yuchun Feng, Liangliang Li, Tsung-Chieh Kuo
  • Publication number: 20190097058
    Abstract: Embodiments of the present application provide an Oxide TFT, a manufacturing method thereof, an array substrate and a display device. The Oxide TFT includes a base substrate; a gate electrode, a gate insulating layer and an active layer which are located on the base substrate; a source electrode and a drain electrode, the active layer is at least partly covered with the source electrode and the drain electrode; and a channel protection layer located between the source electrode and the drain electrode, each of the source electrode and the drain electrode includes at least part of a first metallic layer and at least part of a second metallic layer, the first metallic and the second metallic layer are stacked one on another, the channel protection layer is of a metal oxide.
    Type: Application
    Filed: June 1, 2018
    Publication date: March 28, 2019
    Inventors: Xiaowei LIU, Bo LIU, Yang WANG, Liangliang LI, Zheng LIU, Hongjiang WU, Jianfeng YUAN
  • Patent number: 10215709
    Abstract: A detecting system configured for detecting flaws on an object to be detected, increasing: a display processing device; an tunable light source; at least one light transmitter, wherein the tunable light source is connected with the at least one light transmitter; at least one light receiver configured for cooperating with the at least one light transmitter, wherein the at least one light receiver is connected with the display processing device; wherein the display processing device is connected to the tunable light source, receives and processes information provided by the light receiver to form detection images, and is operable to adjust the tunable light source.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: February 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Kui Liang, Jianfeng Yuan, Seung Moo Rim
  • Publication number: 20190049772
    Abstract: The disclosure provides an apparatus for identifying a binding marker and a device for binding. The apparatus for identifying a binding marker comprises an induction unit and an identification unit, the set position of the induction unit corresponding to the binding marker, and the induction unit being capable of inducing a charge when the binding marker is powered, the identification unit being coupled to the induction unit, and used for receiving the charge induced by the induction unit, and identifying the binding marker according to the induced charge. For the apparatus for identifying a binding marker, when the binding marker is powered, the induction unit may induce a charge, the identification unit may identify the binding marker according to the induced charge.
    Type: Application
    Filed: September 11, 2017
    Publication date: February 14, 2019
    Inventors: Xi CHEN, Dongxi LI, Jianfeng YUAN, Yao LIU
  • Patent number: 10114240
    Abstract: The present disclosure provides a spraying device and a coating method. The spraying device comprises a first spray unit and a second spray unit. The first spray unit is configured to spray a first solution for wetting a surface of a substrate, and the second spray unit is configured to spray a second solution for coating the surface of the substrate. During spraying, the second spray unit and the first spray unit advance in the same direction and the second spray unit is arranged behind the first spray unit in the advancing direction. In the present disclosure, the coated liquid diffuses across the surface of the substrate more quickly and uniformly, the alignment film formed on the surface of the substrate has a uniform thickness, thus avoiding mura due to an alignment film with a non-uniform thickness and improving quality of the display panel.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: October 30, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Kui Liang, Bin Feng, Jianfeng Yuan
  • Patent number: 10114283
    Abstract: The present disclosure provides a mask plate, an exposure device and an exposure method. The mask plate includes a base plate and a plurality of patterns with openings arranged on the base plate. The base plate includes a first region corresponding to a position where a developing agent has a low concentration in the case that a target substrate is to be developed, and a second region corresponding to a position where the developing agent has a high concentration in the case that the target substrate is to be developed. In the case that the target substrate is exposed using the mask plate, an amount of light beams passing through each pattern at the first region of the base plate is greater than an amount of the light beams passing through each pattern at the second region of the base plate.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: October 30, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Pengyu Qi, Changjun Zha, Yanping Wang, Dong Wang, Jianfeng Yuan, Xibin Shao, Yan Zhang, Jintao Xiao, Yangchen Guo
  • Publication number: 20180240693
    Abstract: The present disclosure provides a binding device, a display panel, a binding system and an operating method thereof. The binding system includes the binding device and the display panel. The binding device includes a binding head, a support platform, a light emitter and a light receiver. Through a first alignment hole in the binding head, an alignment mark on the display panel and a second alignment hole in the support platform, the binding system monitors in real time a position and/or posture of the binding head, a position and/or flatness of a binding region of the display panel and an alignment degree between the binding head and the display panel using the light emitter and the light receiver.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 23, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Dongxi LI, Jianfeng YUAN, Weiqiang LI
  • Publication number: 20180240384
    Abstract: The present disclosure provides a device and method for circuit testing and a display device applying the same. The device for circuit testing includes a detection circuit configured to detect whether a display panel and a printed circuit board are electrically conductive, wherein the detection circuit includes: a first metal redundant track configured to input an electrical detection signal; a second metal redundant track bonded to the first metal redundant track via a first anisotropic conductive film; a third metal redundant track electrically connected to the second metal redundant track; and a fourth metal redundant track bonded to the third metal redundant track via a second anisotropic conductive film.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 23, 2018
    Inventors: Dongxi LI, Weiqiang LI, Yabin LIN, Jianfeng YUAN
  • Publication number: 20180203343
    Abstract: The present disclosure provides a mask plate, an exposure device and an exposure method. The mask plate includes a base plate and a plurality of patterns with openings arranged on the base plate. The base plate includes a first region corresponding to a position where a developing agent has a low concentration in the case that a target substrate is to be developed, and a second region corresponding to a position where the developing agent has a high concentration in the case that the target substrate is to be developed. In the case that the target substrate is exposed using the mask plate, an amount of light beams passing through each pattern at the first region of the base plate is greater than an amount of the light beams passing through each pattern at the second region of the base plate.
    Type: Application
    Filed: March 9, 2016
    Publication date: July 19, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Pengyu QI, Changjun ZHA, Yanping WANG, Dong WANG, Jianfeng YUAN, Xibin SHAO, Yan ZHANG, Jintao XIAO, Yangchen GUO
  • Publication number: 20180196305
    Abstract: The present disclosure provides a display substrate and a method for manufacturing the same, a display panel and a display device. The display substrate comprises a base substrate; and a composite film structure formed on the base substrate and composed of at least two thin films having different refractive indexes, wherein the composite film structure is capable of absorbing light with a wavelength in a predetermined wavelength range, and the predetermined wavelength range is located between two adjacent peaks of visible light waves.
    Type: Application
    Filed: August 29, 2017
    Publication date: July 12, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., Fuzhou BOE Optoelectronics Technology Co., Ltd.
    Inventors: Xibin SHAO, Dongxi LI, Huibin GUO, Jianfeng YUAN
  • Patent number: 9966489
    Abstract: The present disclosure provides an overheat protection device, an overheat protection method and an electrical device. The overheat protection device is used in an electrical device and includes a transparent window unit and an optically-controlled switch. The transparent window unit is made of a transparent material and arranged on a housing of the electrical device, and an inner surface of the transparent window unit is coated with a thermochromatic material film. The optically-controlled switch is arranged inside the housing of the electrical device and exposed to an ambient light beam through the transparent window unit. The optically-controlled switch is configured to turn off the electrical device when a spectrum of the received light beam is within a predetermined spectral range.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: May 8, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jiannan Zhang, Bin Feng, Jianfeng Yuan
  • Patent number: 9952707
    Abstract: A password input device includes: at least two mutually separate touch display screens; a controller configured to control the touch display screen to randomly display characters; and a processor configured to determine the characters currently displayed on corresponding touch display screens subjected to a touch operation after detecting the touch operation, determine a character string inputted by a user according to a sequence of the touch operation, and take the character string as a password inputted by the user. The password input device can adopt a flexible overall arrangement mode of the character string for the password and improve the security of password input. A password input method is further disclosed.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: April 24, 2018
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventors: Jiannan Zhang, Jianfeng Yuan, Seung Moo Rim
  • Patent number: 9817252
    Abstract: A display device and a manufacturing method thereof are disclosed. The display device comprises an upper substrate (103), a lower substrate (104), a solvent (102), and ellipsoids (101), and the solvent (102) and the ellipsoids (101) are provided between the upper substrate (103) and the lower substrate (104). The ellipsoids are configured for forming photonic crystals and have electromagnetic characteristics. By means of photonic crystals formed by the ellipsoids having a shape of oval spheres with a size in order of nanometer or sub-micrometer, the display device can change wavelength of reflected light and present different colors, thus color images can be displayed.
    Type: Grant
    Filed: June 17, 2013
    Date of Patent: November 14, 2017
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kui Liang, Jianfeng Yuan, Seung Moo Rim
  • Publication number: 20170271370
    Abstract: The present disclosure provide an array substrate and a method of manufacturing the same, and a display panel. The array substrate includes: a base substrate; a first signal transmission layer comprising a common electrode line; a first insulating layer covering the first signal transmission layer and having a first through hole at a position corresponding to the common electrode line; a first electrode layer located on the first insulating layer, the first electrode layer comprising a connection electrode located at the position of the first through hole; a second insulating layer covering the first electrode layer and having a second through hole at a position corresponding to the connection electrode; and a second electrode layer comprising a common electrode that covers the second through hole; the connection electrode contacts the common electrode line and the common electrode respectively.
    Type: Application
    Filed: January 29, 2016
    Publication date: September 21, 2017
    Inventors: Shoukun Wang, Jianfeng Yuan, Huibin Guo, Yuchun Feng, Liangliang Li, Tsung-Chieh Kuo
  • Publication number: 20170205920
    Abstract: This disclosure discloses a touch display panel, a driving method thereof and a touch display device. The touch display panel comprises a first substrate and a second substrate aligned with each other; a first signal transmission line and a second signal transmission line arranged on the first substrate, the second signal transmission line intersecting with the first signal transmission line; gate lines and data lines arranged on the second substrate, the second substrate being further provided with a first signal output end and a second signal output end led out from the gate lines and arranged alternately; and a first spacer corresponding to the first signal transmission line and a second spacer corresponding to the second signal transmission line.
    Type: Application
    Filed: January 14, 2016
    Publication date: July 20, 2017
    Inventors: Huabin CHEN, Ruirui WANG, Bin FENG, Jianfeng YUAN
  • Patent number: 9647002
    Abstract: An array substrate, a manufacture method thereof, and a display device with the array substrate are provided. The array substrate includes a substrate; a first gate scanning line; a first gate insulating layer; an active layer; a date scanning line; a pixel electrode formed in a pixel unit defined by the first gate scanning line and the data scanning line and over the data scanning line; and a second gate scanning line formed over or below the first gate scanning line. The second gate scanning line is substantially overlapped with the first gate scanning line in a stacking direction of the array substrate, and is arranged to be insulated from the first gate scanning line, the active layer, the data scanning line, and the pixel electrode, respectively.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: May 9, 2017
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventors: Hongjiang Wu, Jianfeng Yuan