Lamp body for a fluorescent lamp

• US 7,370,986 B2
• Filed: 07/19/2006
• Issued: 05/13/2008
• Est. Priority Date: 07/19/2006
• Status: Expired due to Fees

• Current Assignee: Gaya Limited
• Original Assignee: Gaya Limited
• Inventors: Chan, Cheng-Ron
• Primary Examiner(s): TSO, LAURA K
• Application Number:
  US11/488,609
• Publication Number:
  US 20080019132A1
• Time in Patent Office: 664 Days
• Field of Search: 362/84, 362/260, 362/217, 362/216
• US Class Current: 362/84
• CPC Class Codes: H01J 61/42 by transforming the wavelength of the light by luminescence
• CPC Class Codes: H01J 61/70 Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr

Abstract

A lamp body for a fluorescent lamp has multiple sections arranged on an inner surface of the lamp body. The sections include at least one coated section coated with fluorescent powders and at least one non-coated section being naked and kept free from fluorescent powders. The fluorescent powders generate visible lights when colliding with ultraviolet rays. The visible lights can directly pass out of the lamp body through the at least one non-coated section to form a light source and improve a luminance of the fluorescent lamp.

Claims

1. A lamp body for a fluorescent lamp comprising:

an inner surface having multiple sections arranged on the inner surface of the lamp body, the sections including

multiple non-coated sections being naked and kept free from fluorescent powders, and respectively being a round curved area and distributed on the inner surface of the lamp body; and

a single coated section coated with fluorescent powders and arranged on the inner surface of the lamp body exclusive of the non-coated sections.

2. The lamp body as claimed in claim 1, wherein the lamp body is straight.

3. The lamp body as claimed in claim 1, wherein the lamp body is circular.

4. The lamp body as claimed in claim 1, wherein the lamp body is U-shape.

5. A lamp body for a fluorescent lamp comprising:

an inner surface having multiple sections arranged on the inner surface of the lamp body and including,

at least one coated section coated with fluorescent powders; and

at least one non-coated section being naked and kept free from fluorescent powders,

wherein the sections are arranged spirally and consecutively on the inner surface of the lamp body and respectively are an elongated spiral area.

6. The lamp body as claimed in claim 5, wherein the lamp body is straight.

7. The lamp body as claimed in claim 5, wherein the lamp body is circular.

8. The lamp body as claimed in claim 5, wherein the lamp body is U-shape.