Beijing
China
289
2026-01-22
The entities that hold a legal rights for patent applications filed by inventor LI Changfeng:
Changfeng LI from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
DISPLAY SUBSTRATE AND DISPLAY DEVICE
#2 | 2025-11-13ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE
#3 | 2025-05-08Array Substrate
#4 | 2025-05-01LIGHT-EMITTING SUBSTRATE
#5 | 2025-02-27DISPLAY PANEL AND DISPLAY DEVICE
#6 | 2025-01-30ARRAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY DEVICE
#7 | 2024-10-31DISPLAY PANEL AND DISPLAY DEVICE
#8 | 2024-10-10DISPLAY PANEL AND DISPLAY APPARATUS
#9 | 2024-09-05Micro-fluidic substrate, micro-fluidic structure and driving method thereof
#10 | 2024-07-04Shift register unit, gate driving circuit and display device
#11 | 2024-06-27Light-emitting substrate and display device
#12 | 2024-06-13Display panel and display apparatus
#13 | 2024-05-23Display panel, display apparatus and driving method thereof
#14 | 2024-04-18Gate drive circuit having a shift register unit and control unit and driving method thereof
#15 | 2024-04-18Display panel, display device, and method for driving display device
#16 | 2024-03-28Gate driving circuit, method of driving gate driving circuit, and display panel
#17 | 2024-02-08Display substrate and display device
#18 | 2024-01-11Light emitting substrate, display apparatus, and method of driving light emitting substrate
#19 | 2023-09-21Array substrate
#20 | 2023-07-06Display panel and display apparatus
#21 | 2023-07-06Display panel and display device
#22 | 2023-06-01Array substrate, liquid crystal display panel and liquid crystal display device
#23 | 2023-05-18Light emitting substrate, display apparatus, and method of driving light emitting substrate
#24 | 2023-04-27Gate driving circuit, method of driving gate driving circuit, and display panel
#25 | 2023-04-20Ultrasonic sensor, display panel and display apparatus
#26 | 2022-12-01Driving method and driving device of display panel, and display apparatus
#27 | 2022-09-15Pattern identification device and display apparatus
#28 | 2022-08-25Biometric sensor, display apparatus, and method for detecting biometric information
#29 | 2022-08-04Micro-fluidic substrate, micro-fluidic structure and driving method thereof
#30 | 2022-06-30Fingerprint identification substrate, fingerprint identification method and display device
#31 | 2022-05-19Display panel having a plurality of multiplexing circuit for outputting multiple types of data signal
#32 | 2022-05-12Display Panel, Driving Method thereof, and Display Apparatus
#33 | 2022-02-10Piezoelectric sensor and manufacturing method therefor, and electronic device
#34 | 2022-01-20Display substrate, display panel and display device
#35 | 2022-01-13FINGERPRINT IDENTIFICATION METHOD, FINGERPRINT IDENTIFICATION DEVICE, DISPLAY PANEL AND READABLE STORAGE MEDIUM
#36 | 2022-01-06Array substrate and touch panel and manufacturing method of array substrate
#37 | 2022-01-06Method for detecting biometric information, biometric sensor, and display apparatus
#38 | 2021-12-02Touch panel and driving method thereof, and touch device
#39 | 2021-11-25Pattern identification device and display apparatus
#40 | 2021-11-25Fingerprint identification module, fingerprint identification method, and display apparatus
#41 | 2021-11-18Optical structure, display substrate and display device
#42 | 2021-11-18FINGERPRINT IDENTIFICATION SENSOR, DISPLAY APPARATUS, AND FINGERPRINT IDENTIFICATION METHOD
#43 | 2021-11-11Pixel circuit, method for driving the pixel circuit and display device
#44 | 2021-11-04Display panel, driving method thereof, and display apparatus
#45 | 2021-11-04Microfluidic substrate, microfluidic chip and detection method thereof
#46 | 2021-10-28Display panel with photosensors for pixel calibration and method of driving display panel therewith
#47 | 2021-10-28Pixel circuit, driving method thereof and display device
#48 | 2021-10-28Display device and method for adjusting its display brightness
#49 | 2021-10-28Fingerprint recognition device, fingerprint recognition method, and display device
#50 | 2021-10-28Ultrasonic fingerprint detection circuit, ultrasonic fingerprint detection method, and display apparatus
#51 | 2021-10-28Ultrasonic fingerprint sensor, display substrate and driving method thereof, and display device
#52 | 2021-10-28Fingerprint identification device, array substrate, display device and fingerprint identification method
#53 | 2021-10-21Electrical signal detection module, driving method, pixel circuit and display device
#54 | 2021-10-21Display apparatus and pattern identification method thereof
#55 | 2021-09-30Fingerprint identification device and driving method thereof, display device
#56 | 2021-09-23Ultrasonic fingerprint identification circuit, driving method thereof, and fingerprint identification device
#57 | 2021-08-12Texture recognition device and operation method of texture recognition device
#58 | 2021-07-29Display panel, fingerprint identification display module and fingerprint identification method
#59 | 2021-07-22OLED TOUCH COMPONENT AND OLED DISPLAY DEVICE WITH THE SAME
#60 | 2021-07-15Driving method and an apparatus for a fingerprint recognition device
#61 | 2021-07-15Fingerprint identification substrate, fingerprint identification method and display device
#62 | 2021-07-15Array substrate and micro total analysis device
#63 | 2021-07-083D display device and working method thereof
#64 | 2021-07-01Drive method for texture recognition device and texture recognition device
#65 | 2021-06-17Display panel, display device and method for displaying Braille information
#66 | 2021-06-10Fingerprint sensing display apparatus, method of using fingerprint sensing display apparatus, and method of fabricating fingerprint sensing display apparatus
#67 | 2021-06-03PHOTOSENSITIVE TOUCH SUBSTRATE, FABRICATION METHOD THEREOF AND DISPLAY APPARATUS
#68 | 2021-06-03Ultrasonic induction circuit, driving method thereof, display device and storage medium
#69 | 2021-06-03TOUCH DISPLAY PANEL, TOUCH DISPLAY SCREEN AND ELECTRONIC DEVICE
#70 | 2021-06-03METHOD AND SYSTEM FOR DETECTING AND MEASURING LIQUID
#71 | 2021-05-06Display panel and display apparatus
#72 | 2021-05-06Pixel circuit, compensation assembly, display apparatus and driving method thereof
#73 | 2021-03-04Micro-fluidic substrate, micro-fluidic structure and driving method thereof
#74 | 2021-02-25Pixel driving circuit and driving method therefor, display panel and display apparatus
#75 | 2021-02-11Display panel, electronic apparatus, and imaging method of display panel
#76 | 2021-01-28Array substrate, display panel and man-machine interactive terminal
#77 | 2020-11-12Fingerprint recognition circuit and method for driving the same, display panel
#78 | 2020-10-29Touch substrate and display panel
#79 | 2020-10-22Display array substrate, method for manufacturing the same and display including the same
#80 | 2020-10-22Display apparatus including a fingerprint identification device
#81 | 2020-10-22In-cell touch display panel, manufacturing method thereof, display device
#82 | 2020-09-10DISPLAY SUBSTRATE AND DISPLAY DEVICE
#83 | 2020-09-03Texture recognition device and operation method of texture recognition device
#84 | 2020-08-27Method for fabricating touch display substrate
#85 | 2020-08-27Touch display substrate and touch detection method thereof
#86 | 2020-08-20Optical pressure touch device, manufacturing method thereof, and touch display apparatus
#87 | 2020-07-02Array substrate, display apparatus and luminance calibration method therefor
#88 | 2020-06-25Display panel, display apparatus, and method for manufacturing a display panel
#89 | 2020-06-04Pattern recognition device, array substrate and display apparatus
#90 | 2020-05-28Optical signal noise reduction circuit, optical signal noise reduction method and display panel
#91 | 2020-05-14Microfluidic device, method of using microfluidic device and micro total analysis system
#92 | 2020-03-19Array substrate, display panel and operating method thereof
#93 | 2020-03-12Apparatus for recognizing a fingerprint, and display device
#94 | 2020-03-05FINGERPRINT IDENTIFICATION PANEL, FINGERPRINT IDENTIFICATION METHOD AND DISPLAY DEVICE
#95 | 2020-02-27Microfluidic substrate, driving method thereof, and micro total analysis system
#96 | 2020-01-16Pixel structure, display panel and driving method of pixel structure
#97 | 2019-12-12Device for temperature detection
#98 | 2019-11-21Touch panel and display apparatus
#99 | 2019-11-21Display substrate, fingerprint identification panel, fingerprint identification method and display device
#100 | 2019-09-19Pixel circuit and driving method thereof, display panel and display device
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