Patents by Inventor Yan Cheng

Yan Cheng 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: 20190026313
    Abstract: A method for content processing, including: classifying a plurality of media content items into corresponding categories; determining, based at least in part on a category, a content label and display information associated with the content label, wherein: the category corresponds to an item of media content; the content label corresponds to the category; and the display information indicates a display area for displaying the content label on a display interface; and displaying the content label based at least in part on the display information on the display interface.
    Type: Application
    Filed: July 27, 2018
    Publication date: January 24, 2019
    Inventors: Junwen Zhang, Lin Kang, Yan Cheng
  • Publication number: 20190025647
    Abstract: The present disclosure discloses a direct type backlight module, which includes a back plate and a light source disposed on the back plate, wherein the light source includes a printed circuit board and a plurality of micro-LED chips electrically connected to the printed circuit board, the plurality of micro-LED chips are arranged in a matrix array on the printed circuit board, and a light shielding unit is disposed between any adjacent two micro-LED chips; and the printed circuit board is further connected with a backlight driving chip thereon which drives each of the plurality of micro-LED chips independently. The present disclosure further provides a liquid crystal display which includes the abovementioned direct type backlight module.
    Type: Application
    Filed: August 3, 2017
    Publication date: January 24, 2019
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yan CHENG
  • Publication number: 20190028240
    Abstract: A method, an apparatus, and a system for transmitting information bits, where the method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by using the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 24, 2019
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Xiaofeng Chen, Yongxia Lv, Yan Cheng
  • Patent number: 10185074
    Abstract: The present invention provides a backlight module used in liquid crystal displays. The backlight module includes a quantum dots film, a light guide plate and a light source module. A light is emitted from the light source module enter into the quantum dots film through the light guide plate. The quantum dots film comprises an active region and an inactive region. The light source module includes a blue light source and a green light source. The blue light source is corresponding to the active region, and the green light source is corresponding to the inactive region. The present invention further provides a backlight module used in liquid crystal displays. The present invention provides a backlight module and quantum dots film of liquid crystal display which can resolve a defect of quantum dots film fails in the cutting position, and the quantum dots film has high color gamut conversion.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: January 22, 2019
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yan Cheng, Shih-hsiang Chen, Mei Han
  • Publication number: 20190004239
    Abstract: The present disclosure discloses a backlight module including a light guide plate, an optical diaphragm group disposed on a light exiting surface of the light guide plate, and a backlight source disposed at a light incident end of the light guide plate, a middle frame, a radiating fin and a heat conducting connector. The middle frame is disposed on an outer surface of the backlight module and includes a bottom plate and a side wall. The radiating fin is attached to an internal surface of the bottom plate of the middle frame, and the heat conducting connector includes a first portion that contacts the backlight source and a second portion that only contacts a partial region of the radiating fin. The present disclosure also discloses a mobile terminal.
    Type: Application
    Filed: July 25, 2017
    Publication date: January 3, 2019
    Inventors: Qing Guo, Yan Cheng
  • Patent number: 10164749
    Abstract: Embodiments of the present invention provide a channel-state information process processing method, a network device, and a user equipment, where the channel-state information process processing method includes: after receiving a first channel-state information CSI request sent by a first network device, if CSI corresponding to multiple aperiodic CSI processes has not been reported by a user equipment, dropping CSI corresponding to a part of aperiodic CSI processes among the multiple aperiodic CSI processes, where each CSI process is associated with a channel measurement resource and an interference measurement resource. A problem existing after a CoMP technology is introduced can be solved that the UE cannot implement processing of multiple CSI processes.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: December 25, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jingyuan Sun, David jean-Marie Mazzarese, Yongxing Zhou, Liang Xia, Xiaotao Ren, Yan Cheng
  • Publication number: 20180368024
    Abstract: Embodiments of the present disclosure relate to the field of communications technologies, and provide an information transmission method and apparatus, to flexibly set a quantity of subframes in subframe aggregation and a redundancy version based on a channel condition. The method includes: sending, by a first device, downlink control information to a second device, where the downlink control information includes subframe aggregation information, and the subframe aggregation information is used by the first device to indicate, to the second device, a quantity of subframes used in subframe aggregation and/or a redundancy version corresponding to at least one of subframes used in subframe aggregation; and receiving, by the first device, uplink information sent by the second device according to the downlink control information. The embodiments of the present disclosure are used for subframe aggregation.
    Type: Application
    Filed: August 24, 2018
    Publication date: December 20, 2018
    Inventors: Yan CHENG, Zheng CHEN
  • Patent number: 10159069
    Abstract: Disclosed are a method, a device and a system for transmitting control information, which relate to the field of communication technologies. In order to feed back response information in an application scenario of dynamic Time Division Duplexing (TDD) subframe, the present disclosure provides the following technical solution: determining a subframe set corresponding to uplink subframe n, the subframe set comprising dynamic subframes; determining feedback response information according to the subframe set; and sending, in uplink subframe n, the feedback response information to a base station through a physical uplink channel, wherein n is a subframe serial number of the uplink subframe.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: December 18, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yongxia Lv, Yan Cheng
  • Publication number: 20180343656
    Abstract: Embodiments provide methods and devices for data transmission and assignment of uplink control channel resources in an uplink FDD carrier, for enabling a terminal device to provide HARQ feedback for data transmitted in the downlink using carrier aggregation of a downlink FDD carrier and at least one TDD carrier. A method includes associating each downlink subframe in the downlink FDD carrier with an uplink control channel subframe in the uplink FDD carrier, associating each downlink subframe and special subframe in the TDD carrier with an uplink control channel subframe in the uplink FDD carrier, assigning uplink control channel resources in the uplink FDD carrier to the terminal device according to the associations, and transmitting data on said downlink FDD carrier and/or TDD carrier, to be received by the terminal device.
    Type: Application
    Filed: August 1, 2018
    Publication date: November 29, 2018
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Fredrik Berggren, Yan Cheng, Lixia Xue, David Jean-marie Mazzarese
  • Patent number: 10135280
    Abstract: A charging circuit for providing a charge current sent to a battery is disclosed. The charging circuit includes a linear regulator for converting a power voltage into a first indication voltage; a voltage divider circuit for generating a frequency response to convert the first indication voltage into a second indication voltage; and a charger for providing the charge current sent to the battery when the second indication voltage is within a sensible range, wherein the power voltage is within a broad voltage range, and the first indication voltage is fixed.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: November 20, 2018
    Assignee: Wistron Corporation
    Inventors: Ying-Tzu Chou, Chih-Nan Peng, Yan-Cheng Pan
  • Patent number: 10129856
    Abstract: Embodiments of the present invention provide an uplink control information transmission method, a base station, and user equipment. The method includes: receiving, by UE in a downlink subframe N, a downlink control channel sent by a base station; sending, by the UE, a hybrid automatic repeat request-acknowledgement corresponding to the downlink control channel to the base station in an uplink subframe N+4 by using a PUCCH, where when the uplink subframe N+4 belongs to a first uplink subframe set, the PUCCH is carried on a second serving cell of the UE, and when the uplink subframe N+4 belongs to a second uplink subframe set, the PUCCH is carried on the first serving cell, where a duplexing mode of the first serving cell is different from a duplexing mode of the second serving cell.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: November 13, 2018
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yan Cheng, David Jean-Marie Mazzarese, Lixia Xue, Brian Classon
  • Publication number: 20180324707
    Abstract: Embodiments of the present disclosure provide an uplink power control method, includes: determining, by a base station, power control information, where the power control information is used to control a power of a UE; sending, by the base station, hybrid automatic repeat request (HARQ) acknowledgment feedback information to X UEs, where the HARQ acknowledgment feedback information carries the power control information of at least one of the X UEs, the X UEs contend for use of a same transmission resource, and X is an integer greater than or equal to 1; receiving, by the UE, acknowledgment feedback information sent by the base station to the X UEs; and parsing the HARQ acknowledgment feedback information; and if it is determined that the HARQ acknowledgment feedback information includes the power control information of the UE, performing power control on the user equipment based on the power control information of the UE.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Inventors: Hao SUN, Xu ZHANG, Yan CHENG
  • Publication number: 20180321433
    Abstract: The present disclosure relates to a light guide plate and a backlight module thereof, wherein the light guide plate includes: a light incident surface, a transmission layer, and a light emission surface. Wherein a light waveguide layer is configured within the transmission layer to change a transmission direction of at least a portion of light beams entered from the light incident surface along a direction perpendicular to the light emission surface. At least one periodic microstructure is configured on the light emission surface. The present disclosure may improve convergence characteristics of the light beams entered the light guide plate and may reduce the crosstalk between areas.
    Type: Application
    Filed: May 25, 2017
    Publication date: November 8, 2018
    Applicant: Wuhan China Star Optoelectronics Technology Co. Ltd.
    Inventor: Yan CHENG
  • Patent number: 10122361
    Abstract: An electronic device includes a transmission interface, a driving circuit, a receiving circuit, a sampling circuit, a detecting circuit, a timing control circuit and a processing circuit. The transmission interface is for connecting to another electronic device via a connecting cable. The driving circuit outputs a backward signal via the transmission interface to the another electronic device. The receiving circuit receives a received signal including the backward signal and a forward signal from the transmission interface. The sampling circuit samples the received signal to obtain a plurality of sample results. The detecting circuit detects transitions of the sample results to obtain a plurality of detection results. The processing circuit generates a control signal according to the detection results, and adjusts a time point at which the driving circuit outputs the backward signal through the timing control circuit.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: November 6, 2018
    Assignee: MSTAR SEMICONDUCTOR, INC.
    Inventors: Wei-Ling Chen, Chun Wen Yeh, Yan-Cheng Lin
  • Publication number: 20180314497
    Abstract: The present invention is a TRL Engine based validation methodology which also allows validation at any level of granularity required from the application/run level all the way down to the individual line of code, which is utilized for unit testing as well as system testing.
    Type: Application
    Filed: April 29, 2017
    Publication date: November 1, 2018
    Inventors: Jian Wang, Zhenqiang Yu, Yan Cheng
  • Publication number: 20180310299
    Abstract: The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe.
    Type: Application
    Filed: October 26, 2017
    Publication date: October 25, 2018
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Yan Cheng, Yongxia Lv, Xiaobo Chen
  • Publication number: 20180310195
    Abstract: The present disclosure discloses a channel sounding information feedback method, user equipment, and a base station. The method includes: determining, by UE, a first period used to periodically report channel sounding information; and periodically sending, by the UE based on received preset downlink control information DCI that is sent by a base station, the channel sounding information by using the first period as a sending period. System overheads can be reduced, a configuration response can be improved, and spectrum utilization of a system can be improved while periodic feedback of indication is reduced.
    Type: Application
    Filed: June 29, 2018
    Publication date: October 25, 2018
    Inventors: Xu ZHANG, Yan CHENG, Lixia XUE
  • Publication number: 20180310302
    Abstract: Embodiments of the present disclosure disclose a method, an apparatus, and a system for sending and receiving information, which relate to the field of communications technologies, to reduce a latency and improve user experience. The method includes: receiving, by user equipment, downlink information; determining, by the user equipment, a subframe structure of a first subframe according to the downlink information; determining, by the user equipment, a frame structure of a serving cell according to the subframe structure of the first subframe; and sending and receiving, by the user equipment, information in the serving cell according to the determined frame structure of the serving cell. The method provided in the embodiments of the present disclosure may be used to transmit information between a base station and user equipment.
    Type: Application
    Filed: June 25, 2018
    Publication date: October 25, 2018
    Inventor: Yan CHENG
  • Publication number: 20180309028
    Abstract: The present invention provides a light-emitting diode. The light-emitting diode includes: an emissive layer, an electron transportation layer and a hole transportation layer that are respectively set in contact with upper and lower surfaces of the emissive layer, a first electrode set in contact with the hole transportation layer, and a second electrode set in contact with the electron transportation layer; and the electron transportation layer is formed of a material comprising graphene so that the excellent electrical conduction property and heat conduction capability of the graphene material help improve the heat dissipation capability and electron transportation capability of the light-emitting diode the electron transportation layer so as to enhance the service life and lighting efficiency of the light-emitting diode.
    Type: Application
    Filed: April 10, 2017
    Publication date: October 25, 2018
    Inventor: Yan Cheng
  • Publication number: 20180302919
    Abstract: The present disclosure discloses an uplink retransmitted data sending method, apparatus, and system, and relates to the field of communications technologies. The method includes: receiving data transmitted on a same contention resource by different user equipments (UEs) that are in a same contention resource group; demodulating, based on a demodulation reference signal DMRS sequence carried in the data, the data sent by the UEs; and when demodulation of data sent by at least two UEs fails, scheduling, by using an uplink grant (UL-grant), the UEs whose data fails to be demodulated, to retransmit the data on a designated non-contention resource. This resolves a prior-art technical problem that uplink data retransmission fails, and improves uplink data retransmission efficiency.
    Type: Application
    Filed: June 22, 2018
    Publication date: October 18, 2018
    Inventors: Hao SUN, Yan CHENG