LAMP TUBE AND LAMP DEVICE WITH ADJUSTABLE COLOR TEMPERATURE

• US 20170108180A1
• Filed: 10/20/2015
• Published: 04/20/2017
• Est. Priority Date: 10/20/2015
• Status: Abandoned Application

• Current Assignee: Ching-Chuan Lee
• Original Assignee: Ching-Chuan Lee
• Inventors: LEE, Ching-Chuan
• Application Number:
  US14/887,967
• Publication Number:
  US 20170108180A1
• Time in Patent Office: Days
• CPC Class Codes: F21K 9/27 Retrofit light sources for lighting devices with two fittings for each light source, e.g. for substitution of fluorescent tubes
• CPC Class Codes: F21K 9/65 specially adapted for changing the characteristics or the distribution of the light, e.g. by adjustment of parts
• CPC Class Codes: F21V 29/70 characterised by passive heat-dissipating elements, e.g. heat-sinks
• CPC Class Codes: F21V 29/89 Metals
• CPC Class Codes: F21Y 2103/10 comprising a linear array of point-like light-generating elements
• CPC Class Codes: F21Y 2115/10 Light-emitting diodes [LED]

Abstract

A lamp tube with adjustable color temperature includes: a top housing, having the top end formed with a notch; a bottom housing, formed with a first recess and a second recess; a slide device, exposed at the notch and capable of sliding in the second recess; a light source module, disposed with a plurality of LED chips; a light filtering module, disposed with a plurality of light filtering sheets; and two end covers; when the slide device slides to a first location, the LED chips are enabled to emit lights with a first color temperature through the light filtering sheets; and when the slide device slides to a second location, the LED chips are enabled to emit lights with a second color temperature, thereby achieving an objective of adjusting the color temperature of the lamp tube. In addition, a lamp device with adjustable color temperature is also disclosed.

Claims

1. A lamp tube with adjustable color temperature, including:

a top housing, formed in a hollow status, wherein the top end thereof is formed with a notch;

a bottom housing, disposed with a substrate, wherein the bottom end of said substrate is formed with a hollow chamber, two sides of said substrate and said bottom housing are respectively formed with a first recess, the top end of each of said first recesses is formed with a second recess, and the outer sides defined at two ends of said bottom housing are respectively formed with a third recess for being combined with said top housing;

a slide device, including a main body and a sliding member, wherein said sliding member is exposed at said notch, two ends of said main body are respectively received in said second recesses, and said main body is able to slide in said second recesses;

a light source module, disposed on said substrate and having two ends thereof received in said first recesses, wherein a plurality of LED chips are disposed on said light source module;

a light filtering module, disposed on top of said light source module, fastened at one side of said main body, and having two ends thereof fastened in said second recesses, wherein a plurality of light filtering sheets are disposed on said light filtering module; and

two end covers, respectively covered at two ends of said top housing and said bottom housing;

when said sliding member slides to a first location, said LED chips are enabled to emit lights with a first color temperature; and

when said sliding member slides to a second location, said LED chips are enabled to emit lights with a second color temperature, thereby achieving an objective of adjusting the color temperature of said lamp tube.

2. The lamp tube with adjustable color temperature as claimed in claim 1, wherein said top housing is a transparent or translucent housing and made of glass, acrylic or plastic.

3. The lamp tube with adjustable color temperature as claimed in claim 1, wherein said bottom housing is an aluminum extruding member for enhancing the heat dissipation performance.

4. The lamp tube with adjustable color temperature as claimed in claim 1, wherein said light source module further includes a printed circuit board, said printed circuit board is used for carrying said LED chips, said printed circuit board further includes a plurality of LED driving chips, and said LED driving chips are respectively coupled to said LED chips for driving said LED chips.

5. The lamp tube with adjustable color temperature as claimed in claim 4, wherein said printed circuit board is an aluminum substrate or a copper substrate.

6. The lamp tube with adjustable color temperature as claimed in claim 1, wherein said light filtering sheet is formed with a coating or printing means.

7. The lamp tube with adjustable color temperature as claimed in claim 1, wherein the shape of said light filtering sheet is formed in a circular or semi-circular shape.

8. The lamp tube with adjustable color temperature as claimed in claim 1, further including a power module disposed in said hollow chamber, one end thereof is coupled to said end cover, and the other end thereof is coupled to said light source module for supplying the electric power required by said light source module.

9. The lamp tube with adjustable color temperature as claimed in claim 1, wherein when said sliding member slides to said first location, said light filtering sheets are respectively disposed on top of said LED chips, so said LED chips are enabled to emit lights with said first color temperature through said light filtering sheets;

when said sliding member slides to said second location, said light filtering sheets are respectively disposed at one side of each of said LED chips, so said LED chips are enabled to emit lights with said second color temperature.

10. A lamp device with adjustable color temperature, including:

a top housing, having the top end formed with a notch;

a bottom housing, disposed with a substrate, wherein the bottom end of said substrate is formed with a hollow chamber, two sides of said substrate are respectively formed with a first recess, the top end of each of said first recesses is formed with a second recess, and the outer sides defined at two ends of said bottom housing are respectively formed with a third recess for being combined with said top housing;

a slide device, including a main body and a sliding member, wherein said sliding member is exposed at said notch, two ends of said main body are respectively received in said second recesses, and said main body is able to slide in said second recesses;

a light source module, disposed on said substrate and having two ends thereof received in said first recesses, wherein a plurality of LED chips are disposed on said light source module;

a light filtering module, disposed on top of said light source module, fastened at one side of said main body, and having two ends thereof fastened in said second recesses, wherein a plurality of light filtering sheets are disposed on said light filtering module; and

two end covers, respectively covered at two ends of said top housing and said bottom housing;

when said sliding member slides to a first location, said LED chips are enabled to emit lights with a first color temperature; and

when said sliding member slides to a second location, said LED chips are enabled to emit lights with a second color temperature, thereby achieving an objective of adjusting the color temperature of said lamp device.

11. The lamp device with adjustable color temperature as claimed in claim 10, wherein said top housing is a transparent or translucent housing and made of glass, acrylic or plastic.

12. The lamp device with adjustable color temperature as claimed in claim 10, wherein said bottom housing is an aluminum extruding member for enhancing the heat dissipation performance.

13. The lamp device with adjustable color temperature as claimed in claim 10, wherein said light source module further includes a printed circuit board, said printed circuit board is used for carrying said LED chips, said printed circuit board further includes a plurality of LED driving chips, and said LED driving chips are respectively coupled to said LED chips for driving said LED chips, wherein said printed circuit board is an aluminum substrate or a copper substrate.

14. The lamp device with adjustable color temperature as claimed in claim 10, wherein said light filtering sheet is formed with a coating or printing means.

15. The lamp device with adjustable color temperature as claimed in claim 10, wherein the shape of said light filtering sheet is formed in a circular or semi-circular shape.

16. The lamp device with adjustable color temperature as claimed in claim 10, further including a power module disposed in said hollow chamber, one end thereof is coupled to said light source module for supplying the electric power required by said light source module.

17. The lamp device with adjustable color temperature as claimed in claim 16, further including two wire clipping pieces, each of said wire clipping pieces is formed with two wire holes, respectively disposed at one side of said substrate and capable of being fastened in said bottom housing, two electric wires of said power module are able to pass said two wire holes and respectively soldered on said light source module.

18. The lamp device with adjustable color temperature as claimed in claim 10, wherein when said sliding member slides to said first location, said light filtering sheets are respectively disposed on top of said LED chips, so said LED chips are enabled to emit lights with said first color temperature through said light filtering sheets;

when said sliding member slides to said second location, said light filtering sheets are respectively disposed at one side of each of said LED chips, so said LED chips are enabled to emit lights with said second color temperature.