Glass plate and display device
US10816840B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 18, 2019 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | May 8, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J5/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a glass plate including a first main surface subjected to antiglare treatment, and a second main surface opposed to the first main surface, in which a clarity index value T, a reflection image diffusiveness index value R and an anti-sparkle index value S satisfy respective relations of: clarity index value T≥0.8; reflection image diffusiveness index value R≥0.01; and anti-sparkle index value S≥0.85; and a transmission haze measured by a method according to JIS K 7136 (2000) being 15% or less. The glass plate of the present invention is excellent in clarity, reflection image diffusiveness and anti-sparkle, and also excellent in reproducibility of color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.