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Fluorescent Lamp Having Reflective Layer Background of the Invention
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | The present invention relates to a fluorescent lamp of the reflective layer type comprising a first phosphor layer and a second phosphor layer laminated partially on the first phosphor layer. The first phosphor layer is formed on the entire face in the circumferential direc tion of the inner wall of a glass tube, and the second phosphor layer is formed on the first phosphor layer at a certain coating angle along the axial direction of the glass tube. The average particle size of the phosphor constituting the first phosphor layer is different from the average particle size of the phosphor constituting the second phosphor layer. In the fluorescent lamp of the reflective layer type having this structure, a high illuminance tan be obtained. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/b0/7d/83/1e2d520af6e4ad/US4363997.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
