Oven, door assembly applied to the same, and method for controlling the oven
US9784457B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2015 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Nov 21, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/6414
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A display device is provided. The display device includes a transparent display panel; and an optical switching element arranged on the transparent display panel and configured to be switched into any of transmissive state, non-transmissive state, and reflective state, wherein the optical switching element includes a non-transmission layer formed to contact the transparent display panel and switched into transmissive state or non-transmissive state, and a reflection layer formed on one side of the non-transmission layer and switched into transmissive state or reflective state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.