Liquid crystal display device
US11061289B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2020 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | Apr 21, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13396
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer supported between the first substrate and the second substrate, wherein the first substrate includes a main spacer and a sub-spacer protruding toward the liquid crystal layer, a height of the main spacer is greater than a height of the sub-spacer, the second substrate includes, on a surface facing the liquid crystal layer, an alignment film, a main pedestal portion that comes into contact with the main spacer, and a sub-pedestal portion opposite the sub-spacer, an area of a top portion of the main pedestal portion is greater than an area of a top portion of the main spacer, and an area of a top portion of the sub-pedestal portion is less than an area of a top portion of the sub-spacer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.