Patent · US Active

Array substrate with NFC coil, handwriting tablet including the same, and method for driving handwriting tablet

US12333134B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 28, 2021
Grant dateJun 17, 2025
Priority date
Expiry dateSep 28, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G3/36
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An array substrate, a panel, a handwriting tablet and a method for driving the same, relate to the field of handwriting tablet technology. The array substrate includes a handwriting area and a peripheral area surrounding the handwriting area; the handwriting area includes a plurality of handwriting sub-areas; wherein the array substrate includes a plurality of NFC coils and a plurality of erasure units. The plurality of NFC coils are arranged in the plurality of handwriting sub-areas in a one-to-one correspondence. The plurality of erasure units are arranged in the plurality of handwriting sub-areas in a one-to-one correspondence.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.