Patent · US Active

Curved optical plate and method of manufacturing the same, backlight module and display device

US12228765B2 · kind B2 · utility

0Cited by

2References

13Claims

0Family size

Assignees

Inventors

Yuhang Lin · Beijing, CN
Zhiying Chen · Shanghai, CN
Chengkun Liu · Beijing, CN
Han Zhang · Beijing, CN
Hongyu Zhao · Beijing, CN
Ming Chen · Beijing, CN
Zhijie Guo · Beijing, CN
Lian Fang · Beijing, CN
Long Hu · Daguantang, CN
Ting Cui · Ningbo City, CN
Liangliang Ren · Shanghai, CN
Kai Diao · Beijing, CN

Key dates

Filing date	Jun 29, 2022
Grant date	Feb 18, 2025
Priority date	—
Expiry date	Jun 29, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG02B6/0058
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A curved optical plate includes a curved light exit surface including at least one curved edge and at least one uncurved edge, and at least one first side surface connected to the at least one uncurved edge of the light exit surface; a first side surface includes a first surface, and the first surface extends toward an interior of the curved optical plate.

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