Patent · US Active

Spatial light modulator and display device

US10466495B2 · kind B2 · utility

0Cited by

1References

15Claims

0Family size

Assignee

Shanghai Tianma Micro-electronics Co., Ltd. · CN

Inventors

Yaoyang Liu · Shanghai, CN
Jian Xu · Lo Wu, CN

Key dates

Filing date	Feb 6, 2018
Grant date	Nov 5, 2019
Priority date	—
Expiry date	Apr 13, 2038

Classification

Technology area (CPC G)Physics
CPC primaryG02F2203/12
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Disclosed are a spatial light modulator and a display device. The spatial light modulator includes: a substrate; the phase modulation devices disposed on a side of the substrate and arranged in an array, and each of the plurality of phase modulation devices includes a plurality of electrodes, the plurality of electrodes includes at least one first electrode and at least one second electrode, the at least one first electrode and the at least one second electrode are alternately arranged in a direction departing from the substrate, and a piezoelectric layer is sandwiched between the first electrode and the second electrode; and the piezoelectric layer comprises a piezoelectric material.

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