Patent · US Active

Display panel and control method thereof, and electronic paper display apparatus

US11662641B2 · kind B2 · utility

0Cited by
0References
17Claims
0Family size

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Key dates

Filing dateAug 14, 2020
Grant dateMay 30, 2023
Priority date
Expiry dateJun 12, 2041

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2001/1678
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A display panel includes at least one first electrode, a plurality of second electrodes opposite to the at least one first electrode, and a plurality of microcapsules disposed between the at least one first electrode and the plurality of microcapsules. Each microcapsule includes a plurality of charged first particles of a first color and a plurality of charged light-emitting particles. Charge polarity of the plurality of first particles is opposite to charge polarity of the plurality of light-emitting particles, and the first color is different from a color of light emitted by the plurality of light-emitting particles.

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