Patents by Inventor Ze Liu

Ze Liu 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).

  • Publication number: 20180166648
    Abstract: A top-emitting OLED device includes: a substrate; a first electrode disposed on the substrate; an organic layer disposed on the first electrode; and a second electrode disposed on the organic layer, through which light emitted from the organic layer exits from the OLED device; wherein the first electrode comprises a curved structure recessed towards the substrate. The top-emitting OLED device can reduce the viewing angle dependence of the top-emitting OLED device, so that it can prevent color difference of exiting light, narrowed visual angle of the OLED device and lateral light leakage from occurring.
    Type: Application
    Filed: October 20, 2015
    Publication date: June 14, 2018
    Inventors: Qing Dai, Ze Liu
  • Patent number: 9972665
    Abstract: An organic light emitting diode display panel and a fabrication method thereof, a display device are provided, and the method includes: forming an anode layer (41) a light-emitting layer and a cathode layer on a substrate (40) and the method further includes: depositing a first pixel defining layer thin film (51) on the anode layer (41); depositing a second pixel defining layer thin film on the first pixel defining layer thin film (51), and forming a second pixel defining layer (61) by patterning the second pixel defining layer thin film through patterning process; and forming a first pixel defining layer (71) through dry etching and removing the first pixel defining layer thin film that is exposed; wherein the first pixel defining layer (71) has a lyophilic property and the second pixel defining layer (61) has a lyophobic property. A double-layer pixel defining layer prepared in the method is capable of reducing a mask plate, reducing the production cost, and improving the production efficiency.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: May 15, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Huifeng Wang, Ze Liu
  • Patent number: 9911795
    Abstract: The present invention discloses a pixel unit, which comprises a pixel defining layer defining a pixel region, a first electrode within a central area of the pixel region, an organic-light-emitting-display-device functional layer formed within the pixel region and on the first electrode, and a second electrode formed on the organic-light-emitting-display-device functional layer, an area of a bottom plane of the organic-light-emitting-display-device functional layer being larger than that of an upper surface of the first electrode. The pixel defining layer comprises first and second pixel defining portions having ring-shaped structures, the first pixel defining portion has an inner side surface defining the pixel region, and the second pixel defining portion has an outer side surface in contact with the inner side surface of the first pixel defining portion, and is disposed around the first electrode. The first pixel defining portion has a thickness greater than the second pixel defining portion.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: March 6, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenjun Hou, Ze Liu
  • Patent number: 9893318
    Abstract: The present invention relates to an organic light-emitting diode, an array substrate and a preparation method thereof, and a display device. The organic light-emitting diode comprises an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, and a hole injection layer disposed between the anode and the light-emitting layer, wherein the hole injection layer is provided therein with metal nanoparticles, and the frequency of a localized surface plasmon resonance of the metal nanoparticles is matched with the emission wavelength of the light-emitting layer. As the organic light-emitting diode is doped with metal nanoparticles in the hole injection layer and the resonance frequency of the localized surface plasmon of the metal nanoparticles is matched with the emission wavelength of the light-emitting layer, the metal nanoparticles are allowed to generate localized plasma resonance with photons, so that the light extraction efficiency of the organic light-emitting diode is enhanced.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: February 13, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qing Dai, Wenjun Hou, Ze Liu
  • Publication number: 20180001382
    Abstract: A method for fabricating metallic micro-nanostructures, the method including: 1) heating a metal and a micro-nanostructure mold to a temperature T, where the metal is a pure metal or an alloy thereof selected from indium (In), germanium (Ge), tin (Sn), bismuth (Bi), lead (Pb), zinc (Zn), aluminum (Al), copper (Cu), gold (Au), silver (Ag), platinum (Pt) and palladium (Pd), T is greater than or equal to 0.5 Tm and less than Tm, with T representing an absolute temperature and Tm representing a melting point temperature of the metal at absolute temperature scale; 2) applying load to press the metal at the temperature T into the mold to obtain a composite structure comprising the mold and the metal; and 3) removing the mold, to obtain the metal with replicated micro-nanostructures.
    Type: Application
    Filed: July 3, 2017
    Publication date: January 4, 2018
    Inventor: Ze LIU
  • Patent number: 9855928
    Abstract: Push On and Pull Off Schrader and Presta Valve Air Filler Pump Head is disclosed. By using a simple sliding motion and a complete redesign on how the nozzle engages the valve, the invention takes into account the natural action of a hand performing the action where the fingers would naturally be especially in a tight space like that of one that could be encountered between spokes. The invention also takes advantage of dominant muscle groups in the hand and fingers to make the motion of valve engagement and disengagement easier.
    Type: Grant
    Filed: February 13, 2016
    Date of Patent: January 2, 2018
    Inventors: Clifford Currie, Joseph Donoghue, Murray Learmonth, Shi-ze Liu
  • Patent number: 9847382
    Abstract: The present invention provides an array substrate, a manufacturing method thereof, and a display device, belonging to the field of organic electroluminescence display technology, which may solve the problem of low light extraction efficiency of existing array substrates. The array substrate of the present invention comprises an organic light emitting device and a planarization layer disposed therebelow, the OLED comprises: a first electrode layer, a second electrode layer, and a light-emitting layer disposed between the first electrode layer and the second electrode layer, the first electrode layer is a transparent electrode layer and disposed on the planarization layer, and the planarization layer is doped with metal micro/nanoparticles.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: December 19, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Qing Dai, Ze Liu
  • Publication number: 20170294584
    Abstract: An organic thin film transistor, a manufacturing method thereof and an array substrate are provided. The manufacturing method of an organic thin film transistor includes: forming an organic semiconductor layer; partially sheltering the organic semiconductor layer, so that a sheltered region and an unsheltered region are formed on the organic semiconductor layer, the sheltered region corresponding to a region where an active layer of the organic thin film transistor needs to be formed; and doping the organic semiconductor layer, so that the organic semiconductor layer in correspondence with the sheltered region is not doped, and the organic semiconductor layer in correspondence with the unsheltered region is doped.
    Type: Application
    Filed: June 27, 2017
    Publication date: October 12, 2017
    Inventors: Yingtao Xie, Shihong Ouyang, Shucheng Cai, Qiang Shi, Ze Liu, Honhang Fong
  • Patent number: 9768382
    Abstract: The present disclosure relates to the field of display technology, and provides a display substrate, its manufacturing method, and a display device. Pixel partition walls of the display substrate include first pixel partition walls for defining first pixel regions and second pixel partition walls for defining second pixel regions. Each first pixel partition wall is of a height greater than each second pixel partition wall, and a plurality of adjacent second pixel regions is located at an identical first pixel region.
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: September 19, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huifeng Wang, Ze Liu
  • Patent number: 9764418
    Abstract: A method of joining a bulk metallic glass to a second similar or dissimilar material in an air environment. The method includes the steps of: a) removing an oxide layer on at least a portion of a surface of a first bulk metallic glass during thermoplastic forming of the first bulk metallic glass in a supercooled liquid region, wherein the removing of the oxide layer on the at least the portion of the surface creates a fresh surface that is at least substantially free of oxides and/or contaminants; and b) joining the fresh surface of the first bulk metallic glass to a second material.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: September 19, 2017
    Assignee: Yale University
    Inventors: Jan Schroers, Wen Chen, Ze Liu
  • Patent number: 9761641
    Abstract: Embodiments of the present invention disclose a color filter substrate including: a base plate, and a black matrix layer and a barrier pad layer disposed stackedly in sequence on the base plate, the barrier pad layer including a plurality of barrier pads disposed on the same layer; wherein, an orthographic projection of a pattern of each barrier pad onto the base plate is located within a region where a pattern of the black matrix layer is located; and, a surface of each barrier pad is provided with an auxiliary functional layer for absorption or reflection of a light irradiated on the surface of each barrier pad. Correspondingly, embodiments of the present invention disclose a method for manufacturing a color filter substrate, an OLED display panel and a display apparatus.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: September 12, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ze Liu
  • Patent number: 9738073
    Abstract: The present invention provides a printing head comprising a plurality of sub-heads each comprising a base and a plurality of diversion trenches provided in the base, and one end of each of the diversion trenches is connected to one of nozzles of the sub-head. Projections of all the diversion trenches on a first plane in a first projection direction are arranged at an equal interval, the first plane is a plane defined by an arrangement direction and a length direction of the diversion trenches in the sub-head, and the first projection direction is a moving direction of the printing head with respect to a printing surface during printing. The spacing of the diversion trenches in each of the sub-heads is greater than that of the projections of all the diversion trenches in the first plane on the first projection direction.
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: August 22, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qing Dai, Chunjing Hu, Ying Cui, Ze Liu, Shoulei Shi
  • Publication number: 20170224838
    Abstract: An aqueous tumor-targeting liposome nanoparticle composition comprises an aqueous dispersion of liposome nanoparticles. The nanoparticles preferably encapsulate an anti-cancer chemotherapeutic agent, which can be added to a pre-formed liposome composition or can be incorporated in the liposomes during the formation of the liposomes. The liposome nanoparticles comprise a legumain-targeting lipid admixed with one or more other micelle or vesicle-forming lipid materials in the form of nanoparticulate liposomes dispersed in an aqueous carrier. A preferred tumor-targeting liposome nanoparticle composition comprises a legumain-targeting lipid component and polyethylene glycol-conjugated lipid component. The legumain-targeting lipid component comprising a hydrophobic lipid portion covalently attached to a legumain-binding moiety.
    Type: Application
    Filed: April 24, 2017
    Publication date: August 10, 2017
    Applicant: The Scripps Research Institute
    Inventors: Ralph A. REISFELD, Rong XIANG, Yunping LUO, Debbie LIAO, Ze LIU, Tingmei CHEN, Si CHEN, Dan LU
  • Patent number: 9728723
    Abstract: An organic thin film transistor, a manufacturing method thereof and an array substrate are provided. The manufacturing method of an organic thin film transistor includes: forming an organic semiconductor layer; partially sheltering the organic semiconductor layer, so that a sheltered region and an unsheltered region are formed on the organic semiconductor layer, the sheltered region corresponding to a region where an active layer of the organic thin film transistor needs to be formed; and doping the organic semiconductor layer, so that the organic semiconductor layer in correspondence with the sheltered region is not doped, and the organic semiconductor layer in correspondence with the unsheltered region is doped.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: August 8, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yingtao Xie, Shihong Ouyang, Shucheng Cai, Qiang Shi, Ze Liu, Honhang Fong
  • Patent number: 9722005
    Abstract: The present invention discloses a light-emitting device, array substrate, display device and manufacturing method of light-emitting device. The light-emitting device comprises a substrate and a pixel define layer provided on the substrate, the pixel define layer defines at least one pixel unit, each of which comprises a plurality of first electrodes, an organic layer provided on the plurality of first electrodes, and a second electrode provided on the organic layer. The light-emitting device, array substrate, display device and manufacturing method provided by the present invention can allow the formed film of the organic layer on the first electrodes to have good flatness and allow portions of the organic layer on different first electrodes to have substantially the same thickness, thus flatness and uniformity of the formed film of the organic layer in the light-emitting device is improved and further display quality of the light-emitting device is improved.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: August 1, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Huifeng Wang, Ze Liu, Gang Wang
  • Publication number: 20170213966
    Abstract: The present disclosure provides in some embodiments a method and a system for forming a film. The method includes forming ink droplets on a base substrate, wherein each of the ink droplets includes a first solvent and a film material dissolved in the first solvent, subjecting the ink droplets to a solvent homogenizing distribution process, and evaporating the first solvent in the ink droplets to form the film after the ink droplets have been subjected to the solvent homogenizing distribution process.
    Type: Application
    Filed: September 24, 2015
    Publication date: July 27, 2017
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Huifeng WANG, Ze LIU
  • Publication number: 20170200910
    Abstract: The present application discloses a method of fabricating an organic thin film transistor comprising providing a substrate; forming a patterned interface modification layer on the substrate; and forming an organic semiconductor layer on a side of the interface modification layer distal to the substrate, wherein the patterned interface modification layer having a pattern of micro structure.
    Type: Application
    Filed: April 6, 2016
    Publication date: July 13, 2017
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Ze Liu
  • Publication number: 20170194394
    Abstract: The present invention provides an organic light-emitting display substrate, a method of fabricating the same, an organic light-emitting display panel, and an organic light-emitting display device. The organic light-emitting display substrate comprises a pixel defining layer provided on a base substrate and configured to define a sub-pixel region, the pixel defining layer comprises an accommodation area corresponding to a sub-pixel, and a groove located on an outer peripheral side of the accommodation area. In a process of forming an organic light-emitting layer by means of inkjet printing, excessive ink flows into the groove on the outer peripheral side of the accommodation area, which facilitates matching between a volume of ink for forming the organic light-emitting layer and a thickness of an actual organic light-emitting layer.
    Type: Application
    Filed: January 15, 2016
    Publication date: July 6, 2017
    Inventors: Wenjun HOU, Ze LIU
  • Patent number: 9698364
    Abstract: An organic thin film transistor, a preparing method thereof, and a preparation equipment. The preparation equipment of an organic thin film transistor comprises: forming a gate electrode, a gate insulating layer, an organic semiconductor layer, and source-drain electrodes on a substrate; the step of forming the organic semiconductor layer comprises: blade-coating a solution in which an organic semiconductor material used to forming the organic semiconductor layer is dissolved to form the organic semiconductor layer. The preparing method can avoid the difference between the edge and the center of the substrate caused by the impact of centripetal force when a spin-coating method is applied, so that the yield of the organic thin film transistor devices is improved.
    Type: Grant
    Filed: April 7, 2013
    Date of Patent: July 4, 2017
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Longzhen Qiu, Xiang Feng, Xianghua Wang, Ze Liu
  • Patent number: 9685621
    Abstract: The present disclosure provides a thin film transistor (TFT), its manufacturing method, an array substrate and a display device. The method for manufacturing the TFT includes steps of forming patterns of a gate electrode, a source electrode and a drain electrode on a base substrate; and forming a pattern of an active layer and a pattern of a passivation layer covering the active layer by a single patterning process. The passivation layer is made of a negative or positive photoresist, and the active layer is insulated from the gate electrode and electrically connected to the source electrode and the drain electrode.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: June 20, 2017
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingtao Xie, Shihong Ouyang, Shucheng Cai, Qiang Shi, Ze Liu, Honhang Fong