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US 8,795,817 B2Granted
Phosphor film, method of manufacturing the same, coating method of phosphor layer, method of manufacturing LED package, and LED package manufactured thereby
AssigneeSamsung Electronics Co., Ltd.
InventorsChang Hoon Kwak, II Woo Park, Kyu Jin Lee, Cheol Jun Yoo, Seong Jae Hong
Life of this patent
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Abstract
There are provided a phosphor film, a method of manufacturing the same, and a method of coating an LED chip with a phosphor layer. The phosphor film includes: a base film; a phosphor layer formed on the base film and obtained by mixing phosphor particles in a partially cured resin material; and a cover film formed on the phosphor layer to protect the phosphor layer.
Claims15
A phosphor film comprising:
- a base film;
- a phosphor layer formed on the base film and obtained by mixing phosphor particles in a partially cured resin material;
- and
- a cover film formed on the phosphor layer to protect the phosphor layer,
- wherein the phosphor layer is configured of a plurality of phosphor strips spaced apart from one another by a predetermined interval,
- wherein the cover film is formed of a single film and covers all of the plurality of phosphor strips.
3 more elements
A phosphor film comprising:
- a base film;
- a phosphor layer formed on the base film and obtained by mixing phosphor particles in a partially cured resin material;
- and
- a cover film formed on the phosphor layer to protect the phosphor layer,
- wherein the phosphor layer is in a partially cured state at a normal temperature and has a phase change to be movable upon being heated.
2 more elements
A method of manufacturing a phosphor film comprising:
- preparing a base film;
- forming a phosphor layer on the base film, the phosphor layer being formed of a material obtained by mixing phosphor particles in a partially cured resin material and configured of a plurality of phosphor strips spaced apart from one another by a predetermined interval;
- and
- heating the phosphor layer while the phosphor layer is in a partially cured state at a normal temperature, wherein the phosphor layer has a phase change to be movable upon being heated.
1 more element
Dependencies are inferred from the claim text.