Patents by Inventor Kun Ma

Kun Ma 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: 20240138180
    Abstract: The present disclosure provides an organic light-emitting diode, a method of manufacturing the same, and an organic light-emitting diode display apparatus. The organic light-emitting diode includes an anode; a hole injection layer; a hole transport layer; an electron blocking layer; an organic luminescent layer; a hole blocking layer; an electron transport layer; and a cathode, wherein a first composite layer is provided between the electron blocking layer and the organic luminescent layer, and the first composite layer includes a material of the electron blocking layer and a host material of the organic luminescent layer.
    Type: Application
    Filed: May 20, 2021
    Publication date: April 25, 2024
    Inventors: Congcong JIA, Lei CHEN, Kun MA
  • Patent number: 11925042
    Abstract: The present disclosure relates to an organic electroluminescent device, in which co-host materials with a specific P:N ratio are used, and the energy level and mobility of the materials of the functional layers are adjusted to be within specific ranges, so that good device performances could be produced under a plurality of P:N ratios, thereby providing more possibilities for the selection of devices.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: March 5, 2024
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kun Ma, Lei Chen
  • Patent number: 11881589
    Abstract: Disclosed are a battery module and a battery pack having the same for a vehicle. The battery module includes a cell row and output electrode connecting plates. The cell row has a first end and a second end in an arrangement direction of a plurality of cells. Each cell includes a first end cell located at the first end and a second end cell located at the second end. The output electrode connecting plates include a positive electrode connecting plate and a negative electrode connecting plate, one of which is connected to the first end cell, and the other is connected to a cell adjacent to the first end cell.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: January 23, 2024
    Assignee: SVOLT ENERGY TECHNOLOGY COMPANY LIMITED
    Inventors: Xiaolin Shan, Youngbin Lim, Lijuan Tang, Weihua Li, Kun Ma
  • Publication number: 20230371365
    Abstract: Provided is an organic light emitting device, including a first electrode, a second electrode, and an emitting layer disposed between the first electrode and the second electrode. An electron blocking layer and a hole transport layer are disposed between the emitting layer and the first electrode. The electron blocking layer is located between the hole transport layer and the emitting layer.
    Type: Application
    Filed: January 26, 2021
    Publication date: November 16, 2023
    Inventors: Kun MA, Lei CHEN, Dan WANG
  • Publication number: 20230361418
    Abstract: The disclosure provides a battery and a non-metallic explosion-proof valve structure thereof, including a cover assembly, a housing and an injection molded part, the cover assembly and the housing are connected in a sealed manner, the cover assembly or the housing is provided with a through hole, the injection molded part is fixedly connected with the cover assembly or the housing provided with the through hole, and seals the through hole, a plurality of fixing holes are arranged in an area where the cover assembly or the housing is connected with the injection molded part, and the injection molded part is fixedly connected with the plurality of fixing holes. The non-metallic explosion-proof valve structure in the disclosure has good air tightness and structural strength when the battery is in normal operation, and can realize the directional exhausting function and avoid the battery explosion when the battery undergoes thermal runaway.
    Type: Application
    Filed: April 21, 2023
    Publication date: November 9, 2023
    Inventors: Shengli CHEN, Xian ZHOU, Kun MA, Ruipeng ZHANG, Hongjiang YU
  • Publication number: 20230312306
    Abstract: A safety chain device includes a safety chain including a plurality of protective switches connected in series, each of the protective switches is configured to switch from a first state to a second state in the event of abnormal operation of a respective corresponding drive chain; a resistive network encoder having a plurality of encoder output values, each of the encoder output values corresponds to one of combinations of states of the plurality of protective switches; a processor coupled with the resistive network encoder and configured to output a level signal corresponding to the encoder output values; a first controlled current source coupled with the safety chain and configured to output a first current corresponding to a current flowing through the safety chain; and a second controlled current source coupled with the processor and configured to output a second current corresponding to the level signal.
    Type: Application
    Filed: November 2, 2022
    Publication date: October 5, 2023
    Inventor: Kun Ma
  • Publication number: 20230292537
    Abstract: A light-emitting device that emits green light includes a first electrode and a second electrode that are arranged in sequence, and a light-emitting layer disposed between the first electrode and the second electrode, the light-emitting layer includes a first host material and a second host material; the first host material and the second host material form an exciplex, a difference between a lowest unoccupied molecular orbital (LUMO) energy level of the first host material and a LUMO energy level of the second host material is greater than or equal to 0.5 eV, under a same test condition, a difference between an order of magnitude of a hole mobility of the first host material and an order of magnitude of an electron mobility of the second host material is greater than or equal to 1.
    Type: Application
    Filed: November 22, 2021
    Publication date: September 14, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Kun MA, Rongrong GAO, Dan WANG
  • Publication number: 20230151067
    Abstract: The present disclosure provides a preparation method of a surimi low-molecular-weight antifreeze peptide, and relates to the technical field of processing of aquatic products. The preparation method includes the following steps: step 1, with Larimichthys crocea as a raw material, decapitating and gutting the L. crocea, crushing the L. crocea into a surimi, decalcifying the surimi, extracting water-soluble crude protein with water, and freeze-drying to obtain the water-extracted crude protein powder of L. crocea; step 2, redissolving the water-extracted crude protein powder of L. crocea obtained in step 1 with water, and enzymatically hydrolyzing it with protease to obtain an enzymatic hydrolysate; and step 3, sonicating and dialyzing the enzymatic hydrolysate obtained in step 2 to obtain a dialysate with a molecular weight no more than 3,500 D, and freeze-drying the dialysate to obtain the surimi low-molecular-weight antifreeze peptide.
    Type: Application
    Filed: May 10, 2022
    Publication date: May 18, 2023
    Inventors: Tingting LI, Zhe XU, Jianrong Li, Zhixuan Zhu, Lingyu Han, Yu Zou, Kun Ma
  • Publication number: 20230125001
    Abstract: The present disclosure provides an organic light emitting device, including a first electrode, a second electrode and an emitting layer disposed between the first electrode and the second electrode. A hole transporting layer is disposed between the first electrode and the emitting layer. An electron transporting layer is disposed between the second electrode and the emitting layer. The ratio of the hole mobility of the hole transporting layer to the electron mobility of the electron transporting layer is about 10 to 500.
    Type: Application
    Filed: January 26, 2021
    Publication date: April 20, 2023
    Inventors: Kun MA, Lei CHEN, Rongrong GAO
  • Publication number: 20230100815
    Abstract: A light-emitting device includes a first electrode, a second electrode and a light-emitting layer arranged between the first electrode and the second electrode. The light-emitting layer includes a thermally activated delayed fluorescence (TADF) material, and the TADF material includes a donor, an acceptor, and a linking group connected between the donor and the acceptor. The donor includes a donor base unit, and a substituent connected to the donor base unit, and atoms in the donor base unit are located in a first plane. The acceptor includes an acceptor base unit, and a substituent connected to the acceptor base unit, and atoms in the acceptor base unit are located in a second plane. The linking group includes a linking base unit, and a substituent connected to the linking base unit, and atoms in the linking base unit are located in a third plane.
    Type: Application
    Filed: May 26, 2021
    Publication date: March 30, 2023
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rongrong GAO, Kun MA
  • Publication number: 20230003445
    Abstract: A full liquid-product air separation equipment is disclosed. The equipment comprises an air filtration system, a compression system, a precooling system, a purification system, a high-temperature expander having a first pressurizing part and a first expanding part, a low-temperature expander having a second pressurizing part and a second expanding part, a main heat exchanger having a first heat exchange pipeline, a second heat exchange pipeline, a third heat exchange pipeline, a fourth heat exchange pipeline and a fifth heat exchange pipeline, and a rectification system for rectifying air. The equipment has a simple configuration, is easy to implement, and has high gas separation efficiency and low energy consumption.
    Type: Application
    Filed: September 8, 2022
    Publication date: January 5, 2023
    Inventors: Lu Xue, Kun Ma, Shenglan Jia, Fazhou Zhou
  • Publication number: 20230006008
    Abstract: A display substrate includes a backplane, a pixel defining layer, a gas absorption layer, and light-emitting layers. The pixel defining layer is disposed on a side of the backplane, and has a plurality of openings. The gas absorption layer is disposed on a side of the pixel defining layer away from the backplane, and is configured to absorb a gas generated by the pixel definition layer due to an action of ultraviolet rays. The gas absorption layer exposes at least part of regions of the plurality of openings. The light-emitting layers are each at least partially located in an opening in the plurality of openings.
    Type: Application
    Filed: June 16, 2021
    Publication date: January 5, 2023
    Inventors: Kun MA, Xiaojin ZHANG, Dan WANG, Meng ZHAO, Rongrong GAO
  • Publication number: 20220376198
    Abstract: Provided are an organic light emitting device and a display apparatus. An organic light emitting device includes an anode, a cathode, and an emitting layer disposed between the anode and the cathode; wherein the emitting layer includes a host material and a dopant material doped in the host material; the host material includes a first host material and a second host material, and the first host material, the second host material, the electron block layer, and the hole block layer satisfy: |HOMO1-host-HOMOEBL|?0.2 eV,|LUMOHBL-LUMO2-host|?0.2 eV, wherein, HOMO1-host is a HOMO energy level of the first host material; HOMOEBL is a HOMO energy level of the electron block layer; LUMO2-host is a LUMO energy level of the second host material, and LUMOHBL is a LUMO energy level of the hole block layer.
    Type: Application
    Filed: December 11, 2020
    Publication date: November 24, 2022
    Inventors: Lei CHEN, Lixia QIU, Kun MA
  • Publication number: 20220320450
    Abstract: The present disclosure relates to an organic electroluminescent device, in which co-host materials with a specific P:N ratio are used, and the energy level and mobility of the materials of the functional layers are adjusted to be within specific ranges, so that good device performances could be produced under a plurality of P:N ratios, thereby providing more possibilities for the selection of devices.
    Type: Application
    Filed: August 31, 2020
    Publication date: October 6, 2022
    Inventors: Kun MA, Lei CHEN
  • Publication number: 20220320468
    Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; and a light-emitting element arranged on the base substrate, and including a first electrode, an organic functional layer and a second electrode arranged sequentially in that order in a direction away from the base substrate. The light-emitting element includes a first surface proximate to the base substrate, a second surface distal to the base substrate, and a side surface arranged between the first surface and the second surface. The display substrate further includes a reflection layer covering at least a part of the side surface and configured to reflect light from the organic functional layer.
    Type: Application
    Filed: November 15, 2021
    Publication date: October 6, 2022
    Inventors: Junming ZHU, Lei CHEN, Kun MA, Rongrong GAO, Juncong LI
  • Patent number: 11425299
    Abstract: A camera module includes: an image sensor including multiple photosensitive pixels; a diffraction structure covering a part of the multiple photosensitive pixels and configured to disperse incident rays irradiating to the part of the multiple photosensitive pixels into diffraction rays with different phases incident to one or more of the part of the multiple photosensitive pixels; and a signal processor acquiring a first sensing signal corresponding to a photosensitive pixel that does not receive the diffraction rays for generating a 2D image, and acquiring a second sensing signal corresponding to the diffraction rays for generating 3D information.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: August 23, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Kun Ma
  • Patent number: 11347268
    Abstract: An electronic apparatus. The electronic apparatus includes a flexible display panel and a support for supporting the flexible display panel. The flexible display panel has a display area and a peripheral area, and an edge groove in the peripheral area defining an edge portion of the flexible display panel. The edge portion being on a side of the edge groove distal to the display area. The support has a first support groove configured to receive the edge portion of the flexible display panel. The flexible display panel is bent about the edge groove, facilitating insertion of the edge portion of the flexible display panel into the first support groove.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: May 31, 2022
    Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yu Chen, Kun Ma, Ruilin Wang, Run Gao, Dingdong Song, Mao Li, Wei Zeng, Chao Yin
  • Publication number: 20220092292
    Abstract: The disclosure provides a method and device for living object detection, and a storage medium. The method includes: acquiring, by each of two cameras of a binocular photographing device, a respective image containing an object to be detected, to obtain a first image and a second image; determining key point information in the first image and key point information in the second image; determining, according to the key point information in the first image and the key point information in the second image, depth information corresponding to each of a plurality of key points on the object to be detected; and determining, according to the depth information corresponding to each of the plurality of key points, a detection result indicating whether the object to be detected is a living object.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 24, 2022
    Inventors: Zhefeng GAO, Ruodai LI, Kun MA, Nanqing ZHUANG
  • Publication number: 20220086415
    Abstract: A parallax correction method and device, and a storage medium. The method comprises: collecting two original images comprising a target object by means of a binocular camera; determining a first paralax of the target object in imaging areas of the two original images; adjusting the positions of the imaging areas in the two original images according to the first parallax and a preset parallax; and determining a target image on the basis of the imaging areas after position adjustment.
    Type: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Inventors: Zhefeng GAO, Ruodai LI, Kun MA, Nanqing ZHUANG
  • Publication number: 20220076006
    Abstract: A method for image processing includes: performing human shape detection for a target image to obtain a human shape detection result, the target image being acquired in a present scene in real time; determining a region of interest in the target image according to the human shape detection result of the target image; and determining, based on brightness distribution in the region of interest, a target parameter value for image acquisition in the present scene.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Applicant: SHENZHEN SENSETIME TECHNOLOGY CO., LTD.
    Inventors: Zhefeng GAO, Ruodai LI, Nanqing ZHUANG, Kun MA, Yue PENG