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LEYARD OPTOELECTRONIC CO, LTD.

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  • Beijing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adjusting mechanism of box and LED box assembly
    • Patent number 11,725,680
    • Issue date Aug 15, 2023
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Guoliang An
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    LED display device
    • Patent number 10,755,623
    • Issue date Aug 25, 2020
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Jianzhou Gou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3D display device and method
    • Patent number 10,437,197
    • Issue date Oct 8, 2019
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Changjun Lu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Image processing method and device for LED display screen
    • Patent number 10,417,955
    • Issue date Sep 17, 2019
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Ming Chang
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Display screen assembly and display device having the same
    • Patent number 10,314,181
    • Issue date Jun 4, 2019
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Jianzhou Gou
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Control system and method for data transmission, chip array and dis...
    • Patent number 10,311,777
    • Issue date Jun 4, 2019
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Dong'an Huang
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Light-emitting assembly and display device
    • Patent number 9,916,780
    • Issue date Mar 13, 2018
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Ming Chang
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    LED display screen
    • Patent number 9,897,295
    • Issue date Feb 20, 2018
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Dingfang Wang
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display circuit and control method therefor
    • Patent number 9,900,476
    • Issue date Feb 20, 2018
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Hongliang Wei
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Data processing method and device for LED televison, and LED televi...
    • Patent number 9,762,814
    • Issue date Sep 12, 2017
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Weilin Lei
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    LED display system
    • Patent number 9,733,401
    • Issue date Aug 15, 2017
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Longhu Zhang
    • G02 - OPTICS
  • Information Patent Grant

    LED driving circuit and control system
    • Patent number 9,679,515
    • Issue date Jun 13, 2017
    • LEYARD OPTOELECTRONICS CO., LTD.
    • Changjun Lu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Fixing device
    • Patent number 9,642,458
    • Issue date May 9, 2017
    • LEYARD OPTOELECTRONICS CO., LTD.
    • Jie Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method and device for processing video image
    • Patent number 9,570,036
    • Issue date Feb 14, 2017
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Weilin Lei
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    LED display
    • Patent number 9,355,589
    • Issue date May 31, 2016
    • LEYARD OPTOELECTRONIC CO., LTD.
    • Changjun Lu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    79357124 - LEYARD A3
    • Serial number 79357124
    • Filing date Sep 20, 2022
    • LEYARD OPTOELECTRONIC CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79332158 - LEYARD
    • Serial number 79332158
    • Registration number 7077542
    • Filing date Nov 16, 2021
    • Leyard Optoelectronic Co., Ltd
    • 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
  • Information Trademark

    79301370 - OPTITRACK
    • Serial number 79301370
    • Registration number 6714886
    • Filing date Jun 23, 2020
    • Leyard Optoelectronic Co., Ltd.
    • 28 - Games and playthings
  • Information Trademark

    79282346
    • Serial number 79282346
    • Registration number 6382713
    • Filing date Dec 27, 2019
    • Leyard Optoelectronic Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    79206297 - LEYARD
    • Serial number 79206297
    • Registration number 5483075
    • Filing date Oct 25, 2016
    • LEYARD OPTOELECTRONIC CO., LTD.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    87066316 - LEYARD
    • Serial number 87066316
    • Registration number 5398994
    • Filing date Jun 9, 2016
    • Leyard Optoelectronic Co., Ltd
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    87066328 - LEYARD
    • Serial number 87066328
    • Registration number 6295378
    • Filing date Jun 9, 2016
    • Leyard Optoelectronic Co., Ltd
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments