Patents by Inventor Can Zhang

Can Zhang 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: 10270054
    Abstract: Embodiments of the disclosure provide an organic light-emitting diode component and a manufacturing method, a display panel and a display device. The organic light-emitting diode component includes: a first electrode layer, a light-emitting layer and a second electrode layer in sequence. The organic light-emitting diode component further includes an insulation layer and an auxiliary electrode layer. The insulation layer is above the second electrode layer. The auxiliary electrode layer is above the insulation layer and electrically connected to the first electrode layer. According to embodiments of the disclosure, while improving a problem of uneven light emission, the auxiliary electrode layer is prevented from blocking the light emitted by the organic light-emitting diode component. Also, an etching process is not necessary for forming the auxiliary electrode layer.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: April 23, 2019
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Can Zhang
  • Patent number: 10269297
    Abstract: A pixel circuit, a driving method of the pixel circuit, and a display panel, the pixel circuit includes a first sub-pixel circuit configured to write a first data voltage provided by the first data line under control of the first scan line, and generate a compensation voltage at the first node; at least one second sub-pixel circuit configured to perform threshold voltage compensation by the compensation voltage generated at the first node; the at least one second sub-pixel circuit is configured to write a second data voltage provided by the second data line under control of the second scan line based on a display mode.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: April 23, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochuan Chen, Shengji Yang, Can Zhang, Lei Wang
  • Patent number: 10249833
    Abstract: The invention relates to a phthalocyanine compound, which has a structure as represented by Formula I, wherein A represents a transition metal or a rare earth metal; R1 represents a phenyl group, a naphthyl group, or a C4-C16 n-alkyl group. The aromatic phthalocyanine compound having the structure of Formula I provided in the invention contains a transition metal or a rare earth metal, and introduces a peripheral substituent into a linearly extended ?-conjugated system. It is relatively stabler at 400° C. or less and will be easily evaporated in vacuum to form a uniform thin film, and has good thermal stability, high chemical stability, and high mobility. The organic semiconductor device has the features of relatively fast on-off speed, relatively high on-off ratio, and strong reliability.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: April 2, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xue Gao, Fei Liu, Can Zhang
  • Patent number: 10247859
    Abstract: A virtual curved surface display panel and a display device are provided. The virtual curved surface display panel includes a flat display panel having a plurality of pixels arranged in a matrix, and an array of convex lenses arranged on a light exit surface of the flat display panel. The array of convex lenses makes a track of image distances of the pixels form a curved surface. By adjusting the focal lengths of the lenses, the image distances of the pixels in the flat display panel can be various. The images of the pixels are then distributed on a curved surface. A visual effect of a virtual curved surface can be achieved with a flat display panel, improving the effect of visual impact.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: April 2, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jian Gao, Xiaochuan Chen, Yafeng Yang, Jifeng Tan, Pengcheng Lu, Qian Wang, Can Zhang, Can Wang, Xinli Ma, Wei Wang
  • Publication number: 20190096317
    Abstract: The present disclosure provides a display panel, a method for driving the same and a display apparatus. The display panel includes a pixel circuit and a driving circuit. The pixel circuit includes at least one light emitting device; the light emitting device includes a multilayer quantum well structure; the driving circuit is to adjust a driving current that is input to the light emitting device, thereby enabling the light emitting device to emit light of a corresponding color that is varied with a size of the driving current.
    Type: Application
    Filed: May 17, 2018
    Publication date: March 28, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochuan CHEN, Minghua XUAN, Pengxia LIANG, Can ZHANG, Can WANG, Ming YANG, Han YUE
  • Publication number: 20190088726
    Abstract: An organic light-emitting diode (OLED) display panel, a manufacturing method thereof and a display device are provided. The OLED display panel includes: a base substrate; and a pixel define layer (PDL) and a first electrode provided on the base substrate. The PDL includes at least one opening region corresponding to subpixels of the OLED display panel and a pixel spacer around the opening region; and a metal layer is provided on the pixel spacer and electrically connected with the first electrode. The metal layer is electrically connected with the first electrode.
    Type: Application
    Filed: June 28, 2017
    Publication date: March 21, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Can ZHANG
  • Publication number: 20190081120
    Abstract: The present application discloses a top-emission type organic light emitting diode display substrate having a plurality of subpixel areas, in each of which the top-emission type organic light emitting diode display substrate includes a base substrate; a thin film transistor on the base substrate and including a drain electrode; and an organic light emitting diode on a side of the drain electrode distal to the base substrate. The organic light emitting diode includes a first electrode on a side of the drain electrode distal to the base substrate; an organic layer on a side of the first electrode distal to the drain electrode; and a second electrode on a side of the organic layer distal to the first electrode. The first electrode is a substantially transparent electrode and electrically connected to the drain electrode. The drain electrode is a reflective electrode. The second electrode is a substantially transparent electrode.
    Type: Application
    Filed: August 8, 2017
    Publication date: March 14, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Zhang, Xiaochuan Chen
  • Publication number: 20190073950
    Abstract: Embodiments of the present disclosure provide a pixel circuit, a driving method thereof and a display apparatus. The pixel circuit comprises a resetting sub-circuit configured to control potentials of the first node, the second node and the third node according to inputting signals of the first signal terminal and the second signal terminal; a charging sub-circuit configured to control a potential of the second node according to an inputting signal of the second signal terminal; a compensating unit sub-circuit configured to control the potentials of the first node and the third node according to an inputting signal of the third signal terminal and the potential of the second node; a reading sub-circuit is configured to control outputting signals of the first terminal of the light emitting device and the reading terminal according to the inputting signal of the fourth signal terminal.
    Type: Application
    Filed: August 16, 2017
    Publication date: March 7, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji Yang, Xue Dong, Jing Lv, Xiaochuan Chen, Yafeng Yang, Wenqing Zhao, Can Zhang
  • Patent number: 10222896
    Abstract: The invention provides a pixel structure, a transparent touch display screen and a manufacturing method thereof, and a display device. The transparent touch display screen includes a plurality of rows and columns of pixel structures arranged in an array, and each pixel structure includes a display region provided with an organic electroluminescent device and a transparent region provided side by side with the display region. A first and a second touch capacitor electrodes made of a transparent conductive material are respectively provided in every two adjacent transparent regions in the same row, every two adjacent first touch capacitor electrodes in the same row are electrically connected with each other by a first connection line extending in the row direction, every two adjacent second touch capacitor electrodes in the same column are electrically connected with each other by a second connection line passing through the display region in the column direction.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: March 5, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Libin Liu, Can Zhang
  • Patent number: 10197850
    Abstract: A virtual curved surface display panel and a display device are provided. By using the light splitting principle of the grating structure, the imaging heights of the grating structures are designed to be symmetrically distributed with respect to a vertical symmetry axis of a display surface of the flat display panel. In the grating structures on the same side of the symmetry axis, the imaging heights of the respective grating structures having the same distance from the vertical symmetry axis are the same, and the imaging heights of the respective grating structures having different distances from the vertical symmetry axis are different from each other. By setting the imaging heights of the grating structures, the image distances of the pixels in the flat display panel are different so that the images of the plurality of pixels constitute a curved surface.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: February 5, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jifeng Tan, Wei Wang, Yafeng Yang, Jian Gao, Xiaochuan Chen, Can Zhang, Can Wang, Qian Wang, Xinli Ma
  • Publication number: 20190035333
    Abstract: A pixel circuit, a driving method of the pixel circuit, and a display panel, the pixel circuit includes a first sub-pixel circuit configured to write a first data voltage provided by the first data line under control of the first scan line, and generate a compensation voltage at the first node; at least one second sub-pixel circuit configured to perform threshold voltage compensation by the compensation voltage generated at the first node; the at least one second sub-pixel circuit is configured to write a second data voltage provided by the second data line under control of the second scan line based on a display mode.
    Type: Application
    Filed: June 28, 2017
    Publication date: January 31, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochuan CHEN, Shengji YANG, Can ZHANG, Lei WANG
  • Publication number: 20190019954
    Abstract: The present disclosure in some embodiments provides a mask plate, including: a metal mask plate body provided with a plurality of first openings; and an insulation film arranged on the metal mask plate body and provided with a plurality of second openings. An orthogonal projection of at least one second opening in the plurality of second openings onto the metal mask plate body falls within the corresponding first opening or first openings.
    Type: Application
    Filed: April 17, 2018
    Publication date: January 17, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Can Zhang
  • Publication number: 20190013350
    Abstract: A display panel and a manufacturing method thereof and a display device are provided. The display panel includes a semiconductor base substrate, a display array and a thermal imagination array. The display array is formed on the semiconductor base substrate, and includes a plurality of display pixels arranged in an array, and each of the display pixels includes at least one display sub-pixel, and each display sub-pixel includes a light-emitting component. The thermal imagination array is formed on the semiconductor base substrate and includes a plurality of thermal imagination pixels, and each of the thermal imagination pixels includes at least one thermal imagination sub-pixel, and display sub-pixels and thermal imagination sub-pixels are arranged in a blending way.
    Type: Application
    Filed: June 21, 2017
    Publication date: January 10, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaochuan CHEN, Shengji YANG, Can ZHANG
  • Publication number: 20190013336
    Abstract: An organic light emitting diode array substrate, a manufacturing method thereof, and a display device are provided. The organic light emitting diode array substrate includes a base substrate; a first electrode pattern (102) and an insulating layer (101) disposed on the base substrate (100), wherein the first electrode pattern (102) includes a plurality of first electrodes (1021) of strip shape, the first electrodes (1021) protrude above the insulating layer (101) to form a step therebetween; an anti-oxidant conductive film (103) disposed on the first electrode pattern (102) and the insulating layer (101), wherein the anti-oxidant conductive film (103) is disconnected at the step between the first electrodes (1021) and the insulating layer (101). The anti-oxidant conductive film (103) can avoid the problem of uneven distribution of charge carrier caused by local oxidation of the first electrode (1021).
    Type: Application
    Filed: June 29, 2017
    Publication date: January 10, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can ZHANG, Shengji YANG, Xiaochuan CHEN
  • Publication number: 20190004365
    Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, a liquid crystal layer, a first electrode, and a second electrode between the first substrate and the second substrate, a waveguide layer between the first substrate and the liquid crystal layer, and a plurality of grating units which are combined with the liquid crystal layer and disposed in a same layer as the liquid crystal layer; wherein the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating units and the refractive index of the liquid crystal layer.
    Type: Application
    Filed: July 31, 2017
    Publication date: January 3, 2019
    Inventors: Jifeng TAN, Wei WANG, Yafeng YANG, Xiaochuan CHEN, Jian GAO, Xinli MA, Can WANG, Can ZHANG, Xiandong MENG, Xianqin MENG, Dacheng ZHANG
  • Publication number: 20180375027
    Abstract: A mask plate includes a mask substrate and a plurality of openings passing through the mask substrate, and a material of the mask plate is monocrystalline silicon. A manufacturing method of a mask and a manufacturing method of an organic light emitting diode display are also provided.
    Type: Application
    Filed: June 26, 2017
    Publication date: December 27, 2018
    Inventors: Can ZHANG, Xiaochuan CHEN
  • Publication number: 20180364505
    Abstract: A display panel and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, and a liquid crystal layer, a first electrode, as second electrode, a waveguide layer and a grating layer between the first and second substrates; wherein the waveguide layer is on a side of the liquid crystal layer proximal to the first substrate; and the grating layer is in contact with the liquid crystal layer; the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating layer and the refractive index of the liquid crystal layer.
    Type: Application
    Filed: July 31, 2017
    Publication date: December 20, 2018
    Inventors: Jifeng TAN, Wei WANG, Yafeng YANG, Xiaochuan CHEN, Jian GAO, Can WANG, Can ZHANG, Xinli MA, Xiandong MENG, Xianqin MENG, Dacheng ZHANG
  • Publication number: 20180357960
    Abstract: A compensation pixel circuit, a display panel, a display apparatus, a regional compensation method and a driving method are provided. The compensation pixel circuit includes a compensation driving circuit and a signal acquiring circuit connected with the compensation driving circuit. The compensation driving circuit includes a driving transistor and an organic light-emitting diode. The compensation driving circuit is configured to receive a light-emitting data signal, compensate a threshold voltage of the driving transistor, and drive the organic light-emitting diode to illuminate in accordance with the light-emitting data signal. The signal acquiring circuit is configured to acquire a gate voltage of the driving transistor.
    Type: Application
    Filed: March 16, 2017
    Publication date: December 13, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shengji YANG, Xue DONG, Jing LV, Xiaochuan CHEN, Dongni LIU, Lei WANG, Li XIAO, Han YUE, Pengcheng LU, Jie FU, Yingming LIU, Can ZHANG
  • Publication number: 20180356567
    Abstract: A near eye display device and method are provided. The near eye display device including: a display panel and a lens module. The display panel includes a plurality of display areas arranged in an array, each of the display areas includes at least one pixel unit; and the lens module includes a plurality of micro-lenses arranged in an array, which include a plurality of deflection micro-lenses, an end of the deflection micro-lenses close to a center of the lens module is closer to the display panel than an end of the deflection micro-lenses far away from the center of the lens module, each of the display areas corresponds to at least one of the micro-lenses, and an adjacent portion of two adjacent display areas of the display areas corresponds to two different micro-lenses of the micro-lenses and the two different micro-lenses include at least one of the deflection micro-lenses.
    Type: Application
    Filed: March 29, 2017
    Publication date: December 13, 2018
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can WANG, Yafeng YANG, Jian GAO, Can ZHANG, Xinli MA, Wei WANG, Jifeng TAN, Xiaochuan CHEN
  • Patent number: 10126589
    Abstract: A virtual curved surface display panel, a method of manufacturing the same, and a display device are provided. A set of vertical lenticular lens and horizontal lenticular lens fitted tightly and orthogonally is arranged on a light exit surface of a pixel in the flat display panel, which forms an equivalent spherical lens. The focal lengths of the equivalent spherical lenses are symmetrically distributed with a central pixel as a symmetry axis, and focal lengths of the equivalent spherical lenses in the columns located on the same side of the symmetry axis are not equal to each other. Therefore, the equivalent spherical lenses enable the images of the pixels to form a curved surface, thereby realizing virtual curved surface display.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: November 13, 2018
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Can Zhang, Yafeng Yang, Jian Gao, Can Wang, Xinli Ma, Wei Wang, Jifeng Tan