Patents by Inventor Feifei Wang

Feifei 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: 20190340972
    Abstract: A backlight driving circuit includes a backlight driving sub-circuit. The backlight driving sub-circuit includes at least one voltage receiving end; at least two switch sub-circuits and at least two driving ends. The voltage receiving end is connected to first electrodes of at least two light emitting elements. Second electrodes of the at least two light emitting elements are connected to first ends of the at least two switch sub-circuits, respectively. The control end of each switch sub-circuit receives a switch control signal. The second end of each switch sub-circuit is connected to a corresponding driving end. The first end and the second end of the switch sub-circuit are connected or disconnected under the control of the switch control signal.
    Type: Application
    Filed: December 4, 2018
    Publication date: November 7, 2019
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wei HAO, Feifei WANG, Luqiang GUO, Jieqiong WANG, Ziqiang GUO
  • Publication number: 20190169257
    Abstract: Provided is an acylated derivative of human insulin or an analogue thereof. Specifically disclosed is an acylated derivative of a human insulin analogue, or zinc complex thereof; said acylated derivative is longer-lasting than existing insulin analogues and acylated derivatives thereof, its blood glucose reduction is more steady, and it is more stable in storage.
    Type: Application
    Filed: August 1, 2017
    Publication date: June 6, 2019
    Applicant: JIANGSU HENGRUI MEDICINE CO., LTD.
    Inventors: Deyu LIU, Hongwei WANG, Liang ZHAO, Feifei WANG, Xiang ZENG, Tao WANG, Yali WANG, Yulu DAI
  • Publication number: 20190079663
    Abstract: A screenshot method and screenshot apparatus for an electronic terminal are provided. The screenshot method for an electronic terminal includes receiving a biometric feature signal, sensing a sliding track formed by a sliding operation on a display area of the electronic terminal during a period when the biometric feature signal is inputted, and intercepting an image surrounded by the sliding track. With the above screenshot method and apparatus for an electronic terminal, screenshots can be performed quickly, based on the combination of a biometric feature and the sliding operation, and thus the experience of user can be improved.
    Type: Application
    Filed: September 14, 2017
    Publication date: March 14, 2019
    Inventors: Feifei WANG, Minglei RUAN, Hui TIAN
  • Publication number: 20190064621
    Abstract: Embodiments of the present disclosure provide a pixel circuit. The pixel circuit includes a first transistor and a photosensitive component. A first end and a second end of the photosensitive component are connected to a gate line and a pixel electrode, respectively, and the photosensitive component is configured to transmit a signal of the gate line to the pixel electrode in response to receiving an external light signal. Embodiments of the present disclosure further provide a pixel unit including the pixel circuit as well as a display panel.
    Type: Application
    Filed: March 22, 2018
    Publication date: February 28, 2019
    Inventors: Deqiang LIU, Feifei WANG, Ning ZHU, Ting DONG, Zhihua SUN, Yujie GAO
  • Publication number: 20190058161
    Abstract: An encapsulation structure, a manufacturing method thereof and a display apparatus are provided in the field of display device encapsulation. The encapsulation structure includes a plurality of film layers coated on the outside of a display device and the plurality of film layers include an inorganic layer and an organic layer that are laminated. The organic layer includes a polymer matrix and a repairing microstructure.
    Type: Application
    Filed: September 12, 2017
    Publication date: February 21, 2019
    Inventors: Ping Song, Feifei Wang, Youwei Wang, Peng Cai, Jing Yang
  • Patent number: 10164214
    Abstract: The disclosure provides a display panel and a method for manufacturing the same. The display panel includes: an underlying substrate; thin film transistors, a light emission layer, a first inorganic moisture-blocking layer successively arranged on the underlying substrate; an organic buffer layer arranged on the first inorganic moisture-blocking layer, the organic buffer layer comprises: droplet micro-structures for decentralizing a stress on the organic buffer layer; a second inorganic moisture-blocking layer arranged on the organic buffer layer; and a blocking layer, and a glass cover plate successively arranged on the second inorganic moisture-blocking layer.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 25, 2018
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ping Song, Feifei Wang, Youwei Wang, Peng Cai, Jian Min
  • Publication number: 20180358576
    Abstract: A polarization optical assembly, an OLED device and a preparation method thereof, a display device. The polarization optical assembly includes: a cholesteric liquid crystal layer, a ?/4 wave plate and a linear polarizer. The ?/4 wave plate is between the cholesteric liquid crystal layer and the linear polarizer, and an angle exists between a fast axis or a slow axis of the ?/4 wave plate and a transmission axis of the linear polarizer, and polarized light formed by external fight sequentially passing the linear polarizer and the ?/4 wave plate is able to pass through the cholesteric liquid crystal layer. The display device can increase the output of light while reducing the reflection of external light.
    Type: Application
    Filed: July 7, 2017
    Publication date: December 13, 2018
    Inventors: Ping SONG, Feifei WANG, Youwei WANG, Peng CAI, Yuanzheng GUO
  • Patent number: 10059879
    Abstract: A liquid crystal composition comprises a photo-polymerizable liquid crystal mixture and a heat-polymerizable liquid crystal mixture, and the two mixtures have opposite rotatory directions. A patterned phase delay film is prepared from the liquid crystal composition. A display device comprises the phase delay film. The preparation of the patterned phase-delay film can be implemented by a two-step polymerization process including UV-polymerization and heat-polymerization. The process is simple and the costs are low.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: August 28, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Feifei Wang, Xibin Shao, Dan Wang, Seungmin Lee, Honglin Zhang, Hebin Zhao, Ting Dong, Yingying Qu
  • Publication number: 20180224685
    Abstract: Embodiments of the present disclosure provide a display substrate, a display device and a curved surface display device. The display substrate is used for a display device comprising a liquid crystal layer, which display substrate comprises: a base substrate; and a first compensation film on a side of the base substrate.
    Type: Application
    Filed: May 19, 2017
    Publication date: August 9, 2018
    Inventors: Xibin SHAO, Hebin ZHAO, Yingying QU, Honglin ZHANG, Feifei WANG, Seungmin LEE
  • Patent number: 9999068
    Abstract: Provided are a resource scheduling method and device; the method comprises: scheduling resource according to the transmission demands; and configuring a frame structure with a non-fixed frame length matching the scheduled resource. The method according to the present invention prevents wastage of wireless resources caused by competition conflict or random back-off, and can better adapt to the demands of different kinds of data services with varied features in the future.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: June 12, 2018
    Assignee: BEIJING NUFRONT MOBILE MULTIMEDIA TECHNOLOGY CO. LTD.
    Inventors: Dongshan Bao, Jing Wang, Shenfa Liu, Yongbo Zeng, Yubao Zhou, Zhigang Yan, Jun Lei, Lijun Pan, Feifei Wang
  • Patent number: 9971219
    Abstract: Embodiments of the present disclosure provide an array substrate, a color filter substrate and a display panel. The array substrate includes: a base substrate; gate lines and data lines provided above the base substrate in a cross arrangement; and a plurality of pixel units defined by the gate lines and the data lines, each pixel unit including a pixel region and a non-pixel region. At least a portion of the gate line is located in the non-pixel region, a blocking wall region is formed in the non-pixel region and located between the portion of the gate line located in the non-pixel region and the pixel region, and a blocking wall structure for blocking movement of a spacer from the non-pixel region to the pixel region is formed in the blocking wall region.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: May 15, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPALY TECHNOLOGY CO., LTD.
    Inventors: Deqiang Liu, Feifei Wang, Zhihua Sun, Yujie Gao, Honglin Zhang, Hebin Zhao
  • Publication number: 20180090712
    Abstract: The disclosure provides a display panel and a method for manufacturing the same. The display panel includes: an underlying substrate; thin film transistors, a light emission layer, a first inorganic moisture-blocking layer successively arranged on the underlying substrate; an organic buffer layer arranged on the first inorganic moisture-blocking layer, the organic buffer layer comprises: droplet micro-structures for decentralizing a stress on the organic buffer layer; a second inorganic moisture-blocking layer arranged on the organic buffer layer; and a blocking layer, and a glass cover plate successively arranged on the second inorganic moisture-blocking layer.
    Type: Application
    Filed: September 25, 2017
    Publication date: March 29, 2018
    Inventors: Ping Song, Feifei WANG, Youwei WANG, Peng CAI, Jian MIN
  • Publication number: 20180073922
    Abstract: A composition for ultraviolet light intensity detection comprises nematic mixed crystals, chiral additives, cholesteric liquid crystals, azobenzene monomers, photopolymerizable monomers and a photoinitiators. When preparing a film having the composition, the steps include mixing each of components of the composition and spreading out the mixture to form a pre-formed film of the mixture, and irradiating the pre-formed film by light to form a film for ultraviolet light intensity detection.
    Type: Application
    Filed: August 15, 2017
    Publication date: March 15, 2018
    Inventors: Feifei WANG, Xibin SHAO, Ping SONG, Seung Min LEE, Honglin ZHANG, Hebin ZHAO, Deqiang LIU
  • Patent number: 9692084
    Abstract: An electrolyte for a magnesium cell contains a solute, which is phenoxyl-Mg—Al-halogen complex, and an ether solvent. With respect to the entire electrolyte, the solute concentration is 0.2 to 1 mol/L. The electrolyte is capable of staying stable in the air. Also provided is a magnesium cell containing the electrolyte.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: June 27, 2017
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Jun Yang, Feifei Wang, Yongsheng Guo, Yanna Nuli
  • Patent number: 9631143
    Abstract: The present invention relates to a composite material, a liquid crystal film, a method for preparing the film, a temperature-responsive device comprising the film, and a circular polarizer made therefrom. The liquid crystal film comprises the composite material of the present invention, wherein the composite material comprises a polymer network of a cholesteric liquid crystal material, and a chiral material capable of hydrogen-bond-assisted self-assembly, and wherein the chiral material is dispersed in and restrained by the polymer network. The obtained liquid crystal film can exhibit a high reflectivity and a high transmittance as well as a broad band reflection. And, the liquid crystal film is applicable for an industrial development because it can be produced with a simple process and at a lower cost, and requires a lower UV luminous intensity.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: April 25, 2017
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Feifei Wang, Xibin Shao, Dan Wang, Seungmin Lee, Honglin Zhang
  • Publication number: 20160355733
    Abstract: A liquid crystal composition is disclosed, which comprises a photo-polymerizable liquid crystal mixture and a heat-polymerizable liquid crystal mixture, and the two mixtures have opposite rotatory directions. A patterned phase delay film prepared from the liquid crystal mixtures and preparation method thereof, as well as a display device comprising the phase delay film are also disclosed. The preparation of the patterned phase-delay film can be implemented by a two-step polymerization process including UV-polymerization and photo-polymerization. The process is simple and the costs are low.
    Type: Application
    Filed: June 18, 2015
    Publication date: December 8, 2016
    Inventors: Feifei WANG, Xibin SHAO, Dan WANG, Seungmin LEE, Honglin ZHANG, Hebin ZHAO, Ting DONG, Yingying QU
  • Patent number: 9515795
    Abstract: Disclosed in present invention is a wireless communication system, comprising: a CAP, for determining a structure of a current physical frame according to scheduled transmission resources, and sending information for indicating the structure of the current physical frame in the current physical frame; and at least one STA communicating with the CAP, for determining the structure of the current physical frame according to the information for indicating the structure of the current physical frame, the length of each physical frame depending on the structure of the current physical frame and being not fixed. Also disclosed are two devices for wireless communication.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: December 6, 2016
    Assignee: Nufront Mobile Communications Technology Co., Ltd.
    Inventors: Dongshan Bao, Jing Wang, Shenfa Liu, Jun Lei, Lijun Pan, Zhigang Yan, Feifei Wang
  • Publication number: 20160234858
    Abstract: Provided are a resource scheduling method and device; the method comprises: scheduling resource according to the transmission demands; and configuring a frame structure with a non-fixed frame length matching the scheduled resource. The method according to the present invention prevents wastage of wireless resources caused by competition conflict or random back-off, and can better adapt to the demands of different kinds of data services with varied features in the future.
    Type: Application
    Filed: April 15, 2016
    Publication date: August 11, 2016
    Inventors: DONGSHAN BAO, JING WANG, SHENFA LIU, YONGBO ZENG, YUBAO ZHOU, ZHIGANG YAN, JUN LEI, LIJUN PAN, FEIFEI WANG
  • Patent number: 9351315
    Abstract: Provided are a resource scheduling method and device; the method comprises: scheduling resource according to the transmission demands; and configuring a frame structure with a non-fixed frame length matching the scheduled resource. The method according to the present invention prevents wastage of wireless resources caused by competition conflict or random back-off, and can better adapt to the demands of different kinds of data services with varied features in the future.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: May 24, 2016
    Assignee: BEIJING NUFRONT MOBILE MULTIMEDIA TECHNOLOGY CO. LTD.
    Inventors: Dongshan Bao, Jing Wang, Shenfa Liu, Yongbo Zeng, Yubao Zhou, Zhigang Yan, Jun Lei, Lijun Pan, Feifei Wang
  • Patent number: 9240872
    Abstract: Disclosed is a method for configuring a pilot frequency in a wireless communication system, comprising: on the basis of at least one item among a current wireless channel characteristic parameter, device capability information of a correspondent node, and system requirement information, configuring in real-time a pilot frequency for different transmissions during a transmission process; and transmitting the configuration result to the correspondent node. Also disclosed is a corresponding device for configuring the pilot frequency. The present invention allows for configuration in real-time of the pilot frequency. This facilitates improved transmission reliability and guaranteed communication quality, and reduces pilot frequency overhead, and at the same time, is applicable in additional number of channel environments and application scenarios.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: January 19, 2016
    Assignee: BEIJING NUFRONT MOBILE MULTIMEDIA TECHNOLOGY CO., LTD.
    Inventors: Dongshan Bao, Jing Wang, Shenfa Liu, Zhigang Yan, Feifei Wang