Patents by Inventor Weifeng Zhou

Weifeng Zhou 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: 8441592
    Abstract: A method of manufacturing a thin film transistor liquid crystal display (TFT-LCD) array substrate comprises: forming a gate line and a gate electrode on a base substrate, and then depositing a gate insulating layer on the base substrate; forming an active layer, a data line, a source electrode, and a drain electrode on the gate insulating layer, and removing the gate insulating layer in the region other than the regions of the active layer, the data line, the source electrode and the drain electrode; forming a first via hole, a second via hole and a third via hole in a photoresist layer by an exposing and developing process; and forming a pixel electrode, a first connection electrode and a second connection electrode on the photosensitive resin layer. The pixel electrode is connected with the drain electrode through the third via hole.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: May 14, 2013
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Weifeng Zhou, Zhenyu Xie, Jian Guo, Xing Ming, Xin Zhao
  • Patent number: 8351143
    Abstract: A method of manufacturing a color filter substrate, performed by: preparing a color mask including a cyan transparent layer, a fuchsine transparent layer and a yellow transparent layer; preparing a color sensitive material substrate including a red sensitive emulsion cyan layer, a green sensitive emulsion fuchsine layer and a blue sensitive emulsion yellow layer; exposing the color sensitive material substrate using the color mask; and performing processes of development, bleaching, fixation and stabilization on the color sensitive material substrate.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: January 8, 2013
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Weifeng Zhou, Kiyong Kim, Jian Guo, Xing Ming
  • Publication number: 20120307171
    Abstract: An embodiment of the disclosed technology provides a pixel structure, comprising a TFT, a reflective region and a transmissive region, wherein the reflective region comprises a reflective region insulation layer, a reflection layer on the reflective region insulation layer and a reflective region pixel electrode on the reflection layer, and the transmissive region comprises a transmissive region pixel electrode, wherein the reflective region pixel electrode and the transmissive region pixel electrode form an integral structure, and the integral structure of the pixel electrodes is connected with the drain electrode of the TFT, wherein the organic layer in the reflective region is formed on an array substrate prior to a gate electrode of the TFT, and the reflection layer in the reflective region and the gate electrode of the TFT are formed in a same patterning process by using a same metal layer.
    Type: Application
    Filed: May 23, 2012
    Publication date: December 6, 2012
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guanbao HUI, Seungjin CHOI, Weifeng ZHOU, Feng ZHANG
  • Publication number: 20120309136
    Abstract: Embodiments of the disclosed technology disclose manufacture methods of a thin film transistor and an array substrate and a mask therefor are provided. The manufacture method of the thin film transistor comprises: patterning a wire layer by using a exposure machine and a mask with a first exposure amount larger than a normal exposure amount during formation of source and drain electrodes; forming a semiconductor layer on the patterned wire layer; patterning the semiconductor layer by using the exposure machine and the mask with a second exposure amount smaller than the first exposure amount. The mask comprises a source region for forming the source electrode, a drain region for forming the drain electrode and a slit provided between the source region and the drain region, and the width of the slit is smaller than the resolution of the exposure machine.
    Type: Application
    Filed: May 31, 2012
    Publication date: December 6, 2012
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weifeng ZHOU, Jianshe XUE
  • Publication number: 20120251944
    Abstract: Embodiments of the disclosed technology disclose a photolithography method and apparatus, and the method comprises: hydrophobicity-treating edge portions of a surface of a substrate to be applied with photoresist; and applying hydrophilic photoresist to the surface of the substrate subject to hydrophobic treatment. With the disclosed technology, the usage amount of thinner in the edge photoresist-removing procedure can be greatly reduced or even eliminated, thereby reducing production costs and increasing production efficiency.
    Type: Application
    Filed: March 29, 2012
    Publication date: October 4, 2012
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weifeng ZHOU, Jianshe XUE
  • Publication number: 20120234480
    Abstract: Embodiments of the disclosed technology disclose a method for fixing glass substrates and a method for preparing a flexible display device. The method for fixing glass substrates comprises coating an edge portion of a first glass substrate corresponding to a second glass substrate with epoxy resin and screeding the coated epoxy resin layer, adhering the second glass substrate to the first glass substrate, and annealing the two glass substrates. With the technical solution of this disclosed technology, the time period for fixing the adhered glass substrates can be reduced with an improved productivity.
    Type: Application
    Filed: February 29, 2012
    Publication date: September 20, 2012
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Weifeng ZHOU, Jianshe XUE
  • Publication number: 20120201964
    Abstract: A gumming device and method can reduce or avoid generation of air bubbles between layers thereby improving quality and manufacturing efficiency of TFT LCD. The gumming device comprises a nozzle, a gum feeding mechanism connected with the nozzle and a nozzle moving mechanism. Wherein at least two rows of gum injection holes are included in the nozzle, and the two adjacent rows of gum injection holes are separated by a spacer. The gumming method comprises that the nozzle is moved on the substrate by the nozzle moving mechanism, and each row of gum injection holes in the nozzle is successively opened in a direction opposite to the moving direction of nozzle for applying gum. The gumming device is used for applying multilayer gum.
    Type: Application
    Filed: April 19, 2011
    Publication date: August 9, 2012
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weifeng Zhou, Jian Guo, Xing Ming
  • Publication number: 20120168791
    Abstract: An embodiment of the disclosed technology provides a method for preventing electrostatic breakdown during the manufacturing process of the array substrate. The method comprises: when forming a conductive pattern of a substrate, connecting conductive lines for forming the conductive pattern with a closed conductive ring on a same layer as the conductive lines in a peripheral region of the substrate, and wherein when electrostatic charges are generated over the metal line, the electrostatic charges are led to the closed conductive ring.
    Type: Application
    Filed: December 28, 2011
    Publication date: July 5, 2012
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weifeng ZHOU, Jian GUO, Xing MING
  • Publication number: 20120097056
    Abstract: The present invention discloses a mask pattern transferring device and a method of preparing a mask pattern transferring device. The mask pattern transferring device comprises: a magnetization head disposed on a magnetization head carrying device, for magnetizing composite powders each comprising a core of ferromagnetic metal and an outer resin film; a rotary roller formed of a non-ferromagnetic material, for adsorbing the composite powders magnetized by the magnetization head; a demagnetization head disposed at a downstream of the magnetization head in the rotating direction of the rotary roller, for demagnetizing the magnetized composite powders adsorbed by the rotary roller; and a collecting container, the outer edge of which is tangent with one side of the rotary roller, and which is disposed at the downstream of the magnetization head along the periphery of the rotary roller to collect the demagnetized composite powders.
    Type: Application
    Filed: March 24, 2011
    Publication date: April 26, 2012
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weifeng Zhou, Jian Guo, Xing Ming
  • Publication number: 20120092597
    Abstract: An array substrate comprises a first metal layer in which first signal lines are disposed; a second metal layer in which second signal lines are disposed; an insulation layer provided between the first and second metal layers. A repairing line is provided in edge regions of the second metal layer and insulated from the second signal lines, and the repairing line comprises a first longitudinal portion, a second longitudinal portion and a transverse portion, the first longitudinal portion is electrically connected to the second longitudinal portion by the transverse portion. A projection of the first longitudinal portion in a plane of the first metal layer intersects with one end of each of the first signal lines, and a projection of the second longitudinal portion in the plane of the first metal layer intersects with the other end of each of the first signal lines.
    Type: Application
    Filed: October 11, 2011
    Publication date: April 19, 2012
    Applicant: Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Jian GUO, Weifeng ZHOU, Xing MING, Hao WU
  • Publication number: 20110279132
    Abstract: A method for detecting a patter offset amount of exposed regions comprises forming at least one pair of conductive detecting marks with a predetermined position relationship by a patterning process including two exposing processes; detecting an electrical characteristic of the at least one pair conductive detecting marks, if the detected electrical characteristic does not meet a predetermined position relationship, it is determined that the pattern offset amount of the exposed regions in two exposure steps is not qualified; and if the detected electrical characteristic meets the predetermined position relationship, it is determined that the pattern offset amount of the exposed regions in two exposure steps is qualified.
    Type: Application
    Filed: May 13, 2011
    Publication date: November 17, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian GUO, Weifeng ZHOU, Xing MING
  • Publication number: 20110278576
    Abstract: An array substrate comprises: a base substrate; a display area comprising gate lines and data lines formed on the base substrate, wherein a pixel electrode and a first thin film transistor are formed in each of pixel units defined by the gate lines and the data lines which are crossed with each other, and the gate lines comprises a first gate line and a second gate line; and a dummy area which is at the periphery of the display area, which comprises a second thin film transistor and a connecting structure for each gate line, wherein the first gate line and the second gate line are connected with each other through the second thin film transistor and the connecting structure for the first gate line.
    Type: Application
    Filed: May 11, 2011
    Publication date: November 17, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian GUO, Weifeng ZHOU, Xing MING
  • Publication number: 20110281206
    Abstract: An exposure apparatus comprises: a loading stage for supporting a substrate; a mask plate parallel to the loading stage and above the loading stage, the mask plate including a light transmitting region and a light absorbing region on its lower surface, a light reflecting region being provided in the light absorbing region; a lens device provided between the mask plate and the loading stage; a first illumination light source, light from which vertically striking on the upper surface of the mask plate from above, passing through the mask plate and striking on the loading stage via the lens device; a light reflecting device provided in the lens device; and a second illumination light source, light from which being reflected onto the lower surface of the mask plate by the light reflecting device located in the lens device, the light being reflected by the light reflecting region on the lower surface of the mask plate and striking on the loading stage via the lens device.
    Type: Application
    Filed: May 11, 2011
    Publication date: November 17, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian GUO, Weifeng ZHOU, Xing MING, Yong CHEN, Guanghui XIAO
  • Publication number: 20110157587
    Abstract: An embodiment provides a thin film transistor liquid crystal display (TFT-LCD) array substrate comprising a substrate and multilayer array patterns formed on the substrate, and a detecting mark, which is used to detect the size or alignment deviation of one array pattern among the multilayer array patterns and provided in a region of the substrate where the multilayer array patterns are not provided. The detecting mark comprises a detecting area and a detecting pattern which is provided in the same layer as the array pattern to be detected, the detecting pattern is located within the detecting area, and the detecting pattern has transmissivity or reflectivity different from that of the remaining area in the detecting area other than the detecting pattern.
    Type: Application
    Filed: December 30, 2010
    Publication date: June 30, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian GUO, Weifeng ZHOU, Xing MING
  • Publication number: 20110074663
    Abstract: A method comprises steps of: forming successively a first conductive pattern, a first insulating layer, a second conductive pattern, and a second insulating layer on a base substrate; patterning the second insulating layer and the first insulating layer with a double-tone mask, forming at least a half lap joint via hole in the second insulating layer, and forming at least a full lap joint via hole in both the first insulating layer and the second insulating layer, wherein the second conductive pattern corresponds to a part of the half lap joint via hole, and the first conductive pattern corresponds to the whole of the full lap joint via hole; forming a third conductive pattern and a fourth conductive pattern on the base substrate wherein the third conductivity pattern is formed on the surface of the second conductivity pattern and the first insulating layer through the half lap joint via hole, and the fourth conductive pattern is formed on the surface of the first conductive pattern through the full lap joint
    Type: Application
    Filed: September 22, 2010
    Publication date: March 31, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weifeng ZHOU, Jian GUO, Xing MING
  • Publication number: 20110069247
    Abstract: A method of manufacturing a thin film transistor liquid crystal display (TFT-LCD) array substrate comprises: forming a gate line and a gate electrode on a base substrate, and then depositing a gate insulating layer on the base substrate; forming an active layer, a data line, a source electrode, and a drain electrode on the gate insulating layer, and removing the gate insulating layer in the region other than the regions of the active layer, the data line, the source electrode and the drain electrode; forming a first via hole, a second via hole and a third via hole in a photoresist layer by an exposing and developing process; and forming a pixel electrode, a first connection electrode and a second connection electrode on the photosensitive resin layer. The pixel electrode is connected with the drain electrode through the third via hole.
    Type: Application
    Filed: September 21, 2010
    Publication date: March 24, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weifeng ZHOU, Zhenyu XIE, Jian GUO, Xing MING, Xin ZHAO
  • Publication number: 20110063562
    Abstract: A liquid crystal display (LCD) substrate, comprising: at least one pattern region; and a cutting region around the at least one pattern region, wherein a piezoelectric thin film is formed in the cutting region, and each end of the piezoelectric thin film is connected with a lead.
    Type: Application
    Filed: September 9, 2010
    Publication date: March 17, 2011
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jian GUO, Weifeng ZHOU, Xing MING, Guanghui XIAO
  • Patent number: 7880826
    Abstract: Disclosed is a light guide plate, comprising a light guide plate body and a plurality of micro mirrors formed on an upper surface of the light guide plate body for controlling a reflection direction of light incident on the light guide plate. The amount of light output from a backlight module using the light guide plate can be controlled by adjusting an angle of each of the micro mirrors with respect to an incident light from a light source.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: February 1, 2011
    Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.
    Inventors: Jian Guo, Kiyong Kim, Weifeng Zhou, Xing Ming
  • Publication number: 20100245700
    Abstract: A TFT-LCD array substrate, a manufacturing method thereof and a liquid crystal display panel are provided in the invention. The TFT-LCD array substrate comprises a plurality of first gate lines and a plurality of first data lines, and a plurality of pixel regions are defined by intersecting the first gate lines and the first data lines with each other. A first pixel electrode and a first TFT are formed in each of the pixel regions, and a second TFT and a second pixel electrode are further comprised in each of the pixel regions. The second TFT is connected with the second pixel electrode, the first pixel electrode and the second pixel electrode form the voltage difference to drive the reversion of the liquid crystal molecules, and the first TFT and the second TFT are turned on or off simultaneously.
    Type: Application
    Filed: March 30, 2010
    Publication date: September 30, 2010
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xin Zhao, Xing Ming, Weifeng Zhou, Wenyu Zhang, Jian Guo
  • Publication number: 20100225608
    Abstract: A touch display comprises a color filter substrate, an array substrate opposite to the color filter via a plurality of spacers and a voltage detection circuit. The color filter substrate comprises an upper substrate and a common electrode formed on the upper substrate, and the array substrate comprises a lower substrate and a gate line, a data line and a pixel electrode formed on the lower substrate. The plurality of spacers comprise a first spacer formed between the gate line and the common electrode and a second spacer formed between the data line and the common electrode, which are capable of electrically connecting the common electrode with the gate line and the data line respectively under an external pressure more than a threshold value. The voltage detection circuit is connected with the gate line and the data line so as to detect whether the voltage on the gate line and the voltage on the data line become equal to the voltage of the common electrode.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 9, 2010
    Applicant: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Weifeng ZHOU, Jian GUO, Xing MING