Patents by Inventor Dongfang Wang

Dongfang Wang 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: 20190366354
    Abstract: An intelligent magnetic microfluidic concentrator employs a technique of feeding ores circumferentially and allowing tailings to overflow centrally upward. The intelligent magnetic microfluidic concentrator comprises a sorting system consisting of an ore feeding chute, an overflow chute, an overflow tank, a sorting tank, and a magnetic system, the overflow tank is disposed at an upper portion of the sorting tank, the ore feeding chute is disposed at the top of the overflow tank, the ore feeding chute feeds an ore slurry to the upper portion of the sorting tank circumferentially along an inner wall of the sorting tank, and the tailings overflow out upward from the overflow tank disposed centrally and located at the upper half portion of the sorting tank. A magnetic microfluidic concentrator and a complete set of beneficiation equipment are also provided.
    Type: Application
    Filed: April 18, 2018
    Publication date: December 5, 2019
    Inventors: Chengchen ZHANG, Hengsheng LI, Deliang ZHENG, Chao WANG, Shixin SUN, Dongfang ZHU
  • Publication number: 20190371867
    Abstract: A display panel, a method for manufacturing the display panel, and a display apparatus are provided. The display panel includes a base substrate; a thin film transistor; an OLED structure formed on the thin film transistor including a first and second electrodes arranged opposite to each other and an organic light emitting layer arranged between the first and second electrodes; a light shielding layer arranged between the first electrode and the organic light emitting layer. The light shielding layer includes a first and a second light shielding layers. The first light shielding layer includes a first light shielding portion and a first opening portion corresponding to a pixel area. The second light shielding layer includes a second light shielding portion and a second opening portion corresponding to a pixel area. The second light shielding portion includes a first and second parts.
    Type: Application
    Filed: January 31, 2019
    Publication date: December 5, 2019
    Inventors: Yongchao HUANG, Dongfang WANG, Jun CHENG, Min HE, Bin ZHOU, Ce ZHAO
  • Publication number: 20190371875
    Abstract: Provided are a display substrate and a preparation method thereof, a display panel, and a display device. The display substrate includes a substrate and a plurality of pixel units on the substrate. The pixel unit comprises a plurality of functional layers that are sequentially arranged in a direction away from the substrate. At least one of the plurality of functional layers, which is close to the substrate, constitutes a vertical thin film transistor (VTFT). At least one of the plurality of functional layers, which is away from the substrate, constitutes an organic light-emitting transistor (OLET). An orthographic projection region of the OLET on the substrate and an orthographic projection region of the VTFT on the substrate at least partially overlap.
    Type: Application
    Filed: January 11, 2019
    Publication date: December 5, 2019
    Inventors: Qinghe Wang, Liangchen Yan, Dongfang Wang, Tongshang Su, Jun Wang, Guangyao Li, Yang Zhang, Xuechao Sun
  • Patent number: 10475906
    Abstract: A fabrication method of a thin film transistor, a fabrication method of an array substrate, a display panel, and a display device are provided. The fabrication method of the thin film transistor comprises: forming a gate electrode, a gate insulating layer and an oxide active layer; forming an inverted trapezoidal dissolution layer whose cross section is inverted trapezoidal on the oxide active layer, the inverted trapezoidal dissolution layer being soluble in an organic solvent; forming a source/drain layer on the oxide active layer, the gate insulating layer and the inverted trapezoidal dissolution layer, a thickness of the inverted trapezoidal dissolution layer being greater than a thickness of the source/drain layer; and dissolving and removing the inverted trapezoidal dissolution layer with the organic solvent and removing the source/drain layer on the inverted trapezoidal dissolution layer, to form a source electrode and a drain electrode.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: November 12, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Tongshang Su, Shengping Du, Ning Liu, Dongfang Wang, Guangcai Yuan
  • Publication number: 20190331900
    Abstract: An optical lens comprises: a first lens having a negative focal power; a second lens; a third lens; a fourth lens; a fifth lens, wherein the fourth lens and the fifth lens forms an achromatic lens group; and a sixth lens, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are sequentially disposed along a direction from an object side to an image side, wherein the first lens has at least one object surface facing the object side, and the object surface of the first lens is convex, and wherein the second lens has at least one image surface facing the image side, and the image surface of the second lens is convex so as to facilitate forming a concentric circle structure.
    Type: Application
    Filed: November 15, 2017
    Publication date: October 31, 2019
    Applicant: NINGBO SUNNY AUTOMOTIVE OPTECH CO., LTD.
    Inventors: Bo YAO, Qiansen XIE, Dongfang WANG
  • Patent number: 10439163
    Abstract: An organic light emitting diode (OLED) display panel and a manufacture method thereof, a display device are disclosed. The method includes providing a base substrate, including a display area and a package area; forming a driving transistor, a passivation layer and an OLED display unit on the base substrate, wherein the OLED display unit and the driving transistor are formed in the display area, the passivation layer is formed in both the display area and the package area and includes a plurality of recesses in the package area and a via hole in the display area, and the via hole and the plurality of recesses are formed by same one patterning process; coating a sealant in the package area to cover the plurality of recesses; and providing a package substrate, the package substrate and the base substrate being assembled together and sealed oppositely by the sealant.
    Type: Grant
    Filed: October 13, 2017
    Date of Patent: October 8, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tongshang Su, Guangcai Yuan, Dongfang Wang, Bin Zhou, Ce Zhao, Jun Liu, Ning Liu, Kai Xu, Shengping Du
  • Patent number: 10418447
    Abstract: Provided is a thin film transistor, a production method thereof, and an electronic apparatus. The thin film transistor comprises a substrate, and a gate electrode, a gate insulator layer, a source electrode, a drain electrode and an active layer on the substrate, wherein the active layer comprises a stack of two or more layers of graphene-like two-dimensional semiconductor material. The electronic apparatus comprises the thin film transistor, and may be used as an optical or mechanical sensor.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: September 17, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Guangyao Li, Guangcai Yuan, Dongfang Wang, Jun Wang, Qinghe Wang, Ning Liu
  • Patent number: 10411189
    Abstract: The invention provides a display panel and a manufacturing method thereof, and a display device, belongs to the field of display device manufacturing technology, which can solve the following problem in the existing display device: when light transmits the cathode layer which is thin, has high resistance and thus poor conductivity, the display effect is nonuniform. The display panel of the invention comprises a first substrate and a second substrate which are assembled, wherein the second substrate is provided with an organic electroluminescent device thereon, an anode layer of the organic electroluminescent device is away from the first substrate and an cathode layer thereof is close to the first substrate; and the cathode layer is electrically connected to an auxiliary electrode on a light entering surface of the first substrate through a plurality of conductive spacers spaced at certain intervals, wherein the cathode layer is a transparent electrode layer.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: September 10, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiangyong Kong, Dongfang Wang
  • Publication number: 20190267575
    Abstract: A display screen, a manufacturing method thereof, and a display device are disclosed. The display screen includes a base substrate, a thin film transistor located on the base substrate, the thin film transistor including a metal layer, at least one of a light-absorbing material layer or a scattering structure disposed between the base substrate and the metal layer in a direction perpendicular to the base substrate.
    Type: Application
    Filed: August 11, 2017
    Publication date: August 29, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Guanghui LIU, Dongfang WANG
  • Publication number: 20190252616
    Abstract: The disclosure provides a display panel and a manufacturing method thereof. The display panel display panel comprises a first substrate and a second substrate which are assembled, the second substrate is provided with an organic electroluminescent device thereon, an anode layer of the organic electroluminescent device is away from the first substrate and a cathode layer thereof is closer to the first substrate than the anode layer; the cathode layer of the organic electroluminescent device is electrically connected to an auxiliary electrode on a light entering surface of the first substrate through multiple conductive spacers, the cathode layer is a transparent electrode layer; the auxiliary electrode has a resistance smaller than that of the cathode layer of the organic electroluminescent device; the auxiliary electrode is a grid-shaped auxiliary electrode and is provided in a non-display region, the auxiliary electrode is opaque and acts as a black matrix.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Inventors: Xiangyong KONG, Dongfang WANG
  • Patent number: 10381428
    Abstract: An array substrate, a manufacture method thereof, and a display device are provided. The array substrate includes a first electrode (12), a second electrode (15); a light-emitting functional layer (13) located between the first electrode (12) and the second electrode (15); and an organic planar layer (14). The first electrode (12) is formed on the organic planar layer (14). The first electrode (12) includes metal electrode or metal alloy electrode. An oxide conductive layer (16) is further formed between the organic planar layer (14) and the first electrode (12).
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: August 13, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongfang Wang, Hongda Sun, Li Zhang
  • Publication number: 20190221588
    Abstract: The present disclosure relates to an array substrate and a method for manufacturing the same. The array substrate includes a thin film transistor and comprises at least a first region and a second region. A thickness of an active layer of the thin film transistor in the first region is different from that of an active layer of the thin film transistor in the second region. A ratio of the overlapped area between the source electrode or the drain electrode and the active layer of the thin film transistor to the thickness of the active layer is kept uniform over the first region and the second region.
    Type: Application
    Filed: June 23, 2017
    Publication date: July 18, 2019
    Inventors: Tongshang Su, Jun Cheng, Ce Zhao, Bin Zhou, Dongfang Wang, Guangcai Yuan
  • Publication number: 20190173028
    Abstract: The present disclosure relates to a substrate, a method for fabricating the same and an organic light emitting diode display device. The substrate includes a metal foil. A metal material used for the metal foil is capable of being anodized and a plurality of concave light trapping microstructures is formed on a surface of the metal foil.
    Type: Application
    Filed: May 29, 2018
    Publication date: June 6, 2019
    Inventors: Jun WANG, Guangyao LI, Dongfang WANG, Jun LIU, Guangcai YUAN, Leilei CHENG
  • Publication number: 20190131410
    Abstract: Provided is a thin film transistor, a production method thereof, and an electronic apparatus. The thin film transistor comprises a substrate, and a gate electrode, a gate insulator layer, a source electrode, a drain electrode and an active layer on the substrate, wherein the active layer comprises a stack of two or more layers of graphene-like two-dimensional semiconductor material. The electronic apparatus comprises the thin film transistor, and may be used as an optical or mechanical sensor.
    Type: Application
    Filed: March 29, 2018
    Publication date: May 2, 2019
    Inventors: Guangyao Li, Guangcai Yuan, Dongfang Wang, Jun Wang, Qinghe Wang, Ning Liu
  • Publication number: 20190131143
    Abstract: In an embodiment, there is provided a method of manufacturing a thin-film transistor. The method includes steps of: forming a gate, a gate insulator layer and an active layer on a base substrate, wherein, the gate and the active layer are provided at upper and lower sides of the gate insulator layer, respectively, and the active layer contains impurity ions therein; and, while implementing an annealing on the active layer, applying a voltage between the active layer and the gate to generate an electrical field therebetween, a direction of the electrical field being configured such that the impurity ions move from the active layer into the gate insulator layer. Meanwhile, there are also provided a thin-film transistor, an array substrate and a display apparatus.
    Type: Application
    Filed: May 18, 2018
    Publication date: May 2, 2019
    Applicants: BOE Technology Group Co., Ltd., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD .
    Inventors: Tongshang Su, Dongfang Wang, Jun Liu, Leilei Cheng, Wei Li, Qinghe Wang, Yang Zhang, Guangcai Yuan
  • Patent number: 10263049
    Abstract: The present disclosure provides a color filter substrate, comprising a base substrate, and a color filter matrix, a black matrix and spacers formed in order on the base substrate, the color filter matrix being consisted of a plurality of red, green and blue photoresists. The red, green and blue photoresists are respectively and separately formed within corresponding pixel regions, and are overlapped with one another to form three-layer stacked structures within gap regions between adjacent pixel regions, and, the black matrix and the spacers are sequentially formed on the stacked structures within the pixel regions. The present disclosure further provides a method of manufacturing a color filter substrate, an organic light emitting display panel and a display device.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: April 16, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei Liu, Dongfang Wang, Song-Young Suk
  • Publication number: 20190081178
    Abstract: The disclosure provides a thin film transistor, an array substrate, and a method for fabricating the same. An embodiment of the disclosure provides a method for fabricating a thin film transistor, the method including: forming a gate, a gate insulation layer, and an active layer above an underlying substrate successively; forming a patterned hydrophobic layer above the active layer, wherein the hydrophobic layer includes first pattern components, and orthographic projections of the first pattern components onto the underlying substrate overlap with a orthographic projection of a channel area at the active layer onto the underlying substrate; and forming a source and a drain above the hydrophobic layer, wherein the source and the drain are located respectively on two sides of a channel area, and in contact with the active layer.
    Type: Application
    Filed: July 3, 2018
    Publication date: March 14, 2019
    Inventors: Qinghe Wang, Luke Ding, Leilei Cheng, Jun Bao, Tongshang Su, Dongfang Wang, Guangcai Yuan
  • Publication number: 20190067608
    Abstract: The present disclosure provides a transistor acoustic sensor element and a method for manufacturing the same, an acoustic sensor and a portable device. The transistor acoustic sensor element comprises a gate, a gate insulating layer, a first electrode, an active layer and a second electrode arranged on a base substrate, wherein the active layer has a nanowire three-dimensional mesh structure and thus can vibrate under the action of sound signals, so that the output current of the transistor acoustic sensor element changes correspondingly. Since the active layer having the nanowire three-dimensional mesh structure can sensitively sense weak vibration of acoustic waves, the sensitivity to sound signals of the transistor acoustic sensor element is improved.
    Type: Application
    Filed: April 10, 2018
    Publication date: February 28, 2019
    Inventors: Qinghe WANG, Jinliang HU, Rui PENG, Dongfang WANG, Guangcai YUAN
  • Patent number: 10217955
    Abstract: A method for manufacturing a display panel, and a display device are disclosed. The method for manufacturing a display panel includes: providing a TFT substrate; dispersing graphene and metal nanowires in a hydrophilic solvent to form a hydrophilic conductive ink; applying the hydrophilic conductive ink onto the TFT substrate to form a composite electrode layer; forming, on the composite electrode layer, a pixel defining layer having a plurality of openings at least partially exposing the composite electrode layer; applying hydrophilic organic ink into the plurality of openings of the pixel defining layer to form an organic layer; drying the composite electrode layer and the organic layer to form a first electrode and an organic light emitting structure; and forming a second electrode on the organic light emitting structure and the pixel defining layer.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: February 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Leilei Cheng, Jun Bao, Dongfang Wang, Ce Zhao
  • Patent number: 10204924
    Abstract: A thin film transistor (TFT), a manufacturing method thereof, a display substrate and a display device are disclosed. The TFT includes: a gate electrode; a gate insulating layer disposed on the gate electrode; a first active layer disposed on the gate insulating layer; a second active layer disposed on the first active layer, having a length smaller than that of the second active layer; a source electrode disposed on the first active layer, being contacted with a first side of the second active layer; and a drain electrode disposed on the first active layer, being contacted with a second side of the second active layer. Embodiments of the present invention can increase an ON-state current and meanwhile reduce an OFF leakage current in the TFT.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: February 12, 2019
    Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
    Inventors: Tongshang Su, Bin Zhou, Dongfang Wang, Guangcai Yuan