Inventor

ZHANG ZHENGXIN

CN35 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG ZHENGXIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHANG ZHENGXIN

BOE TECHNOLOGY GROUP CO LTD

Driver chip, driver board and test method thereof, and display device

Driving circuit, operation method thereof and display apparatus

Shift register unit, shift register and display apparatus

Gate driving circuit and array substrate

Screen and device comprising the screen

Driving circuit for electrophoretic display, implementation method thereof and electrophoretic display device

Apparatus for eliminating image sticking, display device and method for eliminating image sticking

Pixel structure, display substrate and display device

Time-delayed discharge circuits for display panels and display devices

Signal correcting method and signal correcting device

Method and device for detecting defect of display panel

Grayscale voltage calibration device, system, method and display device

Gate drive on array unit, gate drive on array circuit and display apparatus

Display substrate, driving method thereof and display device for connecting touch electrodes with a common voltage

Driving method and driving device of touch control display

Shift register and method for driving the same, gate driving circuit and display device

Method and apparatus for image color enhancement

BEIJING BOE OPTOELECTRONICS TECH CO LTD

Reading apparatus for x-ray detector and method for using reading apparatus, and x-ray detector

Driving method and driving device for touch panel

Display panel, display device and manufacturing method of display panel

Driving method for display panel, and display apparatus

Gate driving circuit having first suppression module, display panel, driving method and display device

Touch detection chip, touch panel and touch detecting method

Array substrate and display device

SCHLUMBERGER TECHNOLOGY CORP

Rate of penetration drilling operation controller

Automatic interpretation of drilling dynamics data

Drilling mode sequence control

Motor bypass valve

Virtual high-density well survey

Drilling framework

Systems and methods for determining wear of downhole tools

Schlumberger Tech Corporation

Automatic interpretation of drilling dynamics data

SMITH INTERNATIONAL

Methods for analyzing and optimizing drilling tool assemblies

BEIJING BOE OPTOELECTRONICS

Touch detecting method and touch detecting apparatus

CHENGDU AIRCRAFT IND GROUP CO LTD

Method, device, equipment, and storage medium for aircraft tooling modification