Optical element enclosure having contractive enclosing member with opening at corner/curvature portion, backlight, and liquid crystal display device
US7683980B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2008 |
| Grant date | Mar 23, 2010 |
| Priority date | — |
| Expiry date | Sep 17, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2201/54
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical element covering member includes: at least one optical element; a support medium supporting the at least one optical element; and a shrinkable covering member covering the at least one optical element and the support medium. In the optical element covering member, among sides forming primary surfaces of the support medium, at least one set of sides facing each other is covered with the covering member, and the following equation (1) is satisfied under conditions at a temperature of 70° C.,0≦F≦1.65×104×t/L (1)where t indicates the thickness of the support medium, L indicates the length of the side of the support medium covered with the covering member, F indicates a tensile force of the covering member, which acts in a direction parallel to the side having the length L.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.