Cholesterol liquid crystal display device
US12332528B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2023 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Oct 13, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/137
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A cholesteric liquid crystal display device includes a first substrate, a second substrate, a third substrate, a first cholesteric liquid crystal layer, a second cholesteric liquid crystal layer, a first common electrode pattern layer, a second common electrode pattern layer, and a first TFT circuit pattern layer and the second TFT circuit pattern layer. The first cholesteric liquid crystal layer is disposed between the first substrate and the second substrate. The second cholesteric liquid crystal layer is disposed between the second substrate and the third substrate. The first common electrode pattern layer is disposed on the first substrate. The second common electrode pattern layer is disposed on the third substrate. The first TFT circuit pattern layer and the second TFT circuit pattern layer are respectively disposed on two opposite surfaces of the second substrate. The first TFT circuit pattern layer and the second TFT circuit pattern layer are arranged correspondingly. As a result, alignment can be accomplished without the use of high-precision equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.