Lamp

US9263246B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9263246-B2
Application numberUS-201514606574-A
CountryUS
Kind codeB2
Filing dateJan 27, 2015
Priority dateMar 31, 2014
Publication dateFeb 16, 2016
Grant dateFeb 16, 2016

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A lamp includes a bulb, a filament, a gas, and a reflective film. The filament is disposed in the interior of the bulb along the tube axis. The gas is filled in the interior of the bulb. The reflective film is formed on the outer circumferential surface of the bulb and reflects a light from the filament toward the interior of the bulb. Further, the reflective film may be formed by depositing a reflective film material containing TiO 2 , SiO 2 , and BaSO 4 on the outer circumferential surface of the bulb.

First claim

Opening claim text (preview).

What is claimed is: 1. A lamp, comprising: a bulb; a filament disposed in an interior of the bulb along a tube axis; a gas filled in the interior of the bulb; and a reflective film formed on an outer circumferential surface of the bulb and reflecting a light from the filament toward the interior of the bulb, wherein the reflective film is formed by depositing a reflective film material on the outer circumferential surface of the bulb, and wherein the reflective film cont…

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Frequently asked questions

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What does patent US9263246B2 cover?
A lamp includes a bulb, a filament, a gas, and a reflective film. The filament is disposed in the interior of the bulb along the tube axis. The gas is filled in the interior of the bulb. The reflective film is formed on the outer circumferential surface of the bulb and reflects a light from the filament toward the interior of the bulb. Further, the reflective film may be formed by depositing a …
Who is the assignee on this patent?
Toshiba Lighting & Technology
What technology area does this patent fall under?
Primary CPC classification H01K1/325. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Feb 16 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).