Transmissive liquid crystal display device
US8045131B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Jul 19, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2413/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a transparent liquid crystal display device which is less in display characteristics and viewing angle dependency and can provide bright images and high contrasts. The transparent liquid crystal display device comprises at least: a backlight; a polarizer; a second optical anisotropic layer with a retardation of 50 to 180 nm at a wavelength of 550 nm; a first optical anisotropic layer with a retardation of 20 to 140 nm at a wavelength of 550 nm; a homogeneously aligned liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a third optical anisotropic layer with a retardation of 50 to 200 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, wherein the first optical anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal alignment structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.