LED TUBE LAMP

• US 20170059096A1
• Filed: 10/31/2016
• Published: 03/02/2017
• Est. Priority Date: 09/02/2015
• Status: Active Grant

• Current Assignee: Jiaxing Super Lighting Electric Appliance Co., Ltd.
• Original Assignee: Jiaxing Super Lighting Electric Appliance Co., Ltd.
• Inventors: XU, HONG, YANG, CHANG, CHEN, SHAULIANG, JIANG, WENJANG, YAO, WENTAO
• Granted Patent: US 10,161,569 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: F21K 9/275 Details of bases or housings, i.e. the parts between the light-generating element and the end caps; Arrangement of components within bases or housings F21K9/278 takes precedence
• CPC Class Codes: F21K 9/66 Details of globes or covers forming part of the light source
• CPC Class Codes: F21V 29/767 the planes containing the fins or blades having directions perpendicular to the light emitting axis
• CPC Class Codes: F21V 29/89 Metals
• CPC Class Codes: F21V 3/02 characterised by the shape
• CPC Class Codes: F21V 5/04 of lens shape
• 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

An LED tube lamp includes a lamp tube and LED light assembly. The lamp tube includes a light transmissive portion, a reinforcing portion and an end cap. The LED light assembly includes an LED light source and an LED light strip. The light transmissive portion is fixedly connected to the reinforcing portion. The reinforcing portion includes a platform and a bracing structure. The bracing structure is fixedly connected to the platform and holds the platform in place. The LED light source is thermally and electrically connected to the LED light strip, which is in turn thermally connected to the reinforcing portion. The end cap is attached to an end of the lamp tube.

Claims

1. An LED tube lamp, comprising:

a lamp tube, which includes a light transmissive portion, a reinforcing portion and an end cap; and

an LED light assembly, which includes an LED light source and an LED light strip, wherein;

the light transmissive portion is fixedly connected to the reinforcing portion;

the reinforcing portion includes a platform and a bracing structure;

the bracing structure is fixedly connected to the platform and holds the platform in place;

the LED light source is thermally and electrically connected to the LED light strip, which is in turn thermally connected to the reinforcing portion;

the end cap is attached to an end of the lamp tube;

an outer surface of the lamp tube reveals a combination of metallic outer surface and nonmetallic outer surface;

a cross section of the lamp tube perpendicular to the lamp tube'"'"'s longitudinal axis reveals a combination of metallic object and nonmetallic object;

a hypothetical line D-D horizontally bisects the cross section into an upper segment and a lower segment;

the upper segment and the lower segment have an identical length vertically;

a hypothetical line segment U-L vertically bisects the cross section into a left segment and a right segment;

the left segment and the right segment have an identical length horizontally;

the line segment U-L includes an upper endpoint U and a lower endpoint L, both endpoints falling on a circumference of the cross section;

a length of the line segment U-L from the point U to the point L is H;

a line T-T is a lowest horizontal line on the cross section above which no metallic object is found;

a line B-B is a highest horizontal line on the cross section below which no metallic object is found;

a distance from the line T-T to the line B-B is D3;

a distance from the point U to the line T-T is D1;

a distance from the line B-B to the point L is D2;

a line T′

-T′

is a lowest horizontal line on the cross section above which no reinforcing potion is found;

a line B′

-B′

is a highest horizontal line on the cross section below which no reinforcing portion is found;

a distance from the line T′

-T′

to the line B-B is F;

a distance from the point U to the line T′

-T′

is F1;

a distance from the line B′

-B′

to the point L is F2;

a hypothetical closed curve is defined on the cross section by all points whose distance from a center of the cross section is half the distance from the center to the circumference of the cross section;

the curve divides the cross section into a disk containing the center and a ring surrounding the disk;

R1 is a ratio of an overall area of the metallic outer surface to an overall area of the nonmetallic outer surface; and

R1 is from 0.001 to 0.9.

2. The LED tube lamp in claim 1, wherein:

R2 is a ratio of an overall length of the metallic object that shows itself on the circumference of the cross section to an overall length of the nonmetallic object that shows itself on the circumference of the cross section;

R2 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R2 is from 0.02 to 0.9.

3. The LED tube lamp in claim 1, wherein:

R3 is a ratio of an overall area of the metallic object on the cross section to an overall area of the nonmetallic object on the cross section;

R3 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R3 is from 0.005 to 0.1.

4. The LED tube lamp in claim 1, wherein:

R4 is a ratio of the aggregate of the linear distance around the edge of the metallic object on the cross section to the aggregate of the linear distance around the edge of the nonmetallic object on the cross section;

R4 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R4 is from 0.05 to 0.45.

5. The LED tube lamp in claim 1, wherein:

R5 is a ratio of an overall area of the metallic object found in the upper segment to an overall area of the metallic object found in the lower segment;

R5 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R5 is from 0 to 0.1.

6. The LED tube lamp in claim 1, wherein:

R6 is a ratio of the aggregate of the linear distance around the edge of the metallic object found in upper segment to the aggregate of the linear distance around the edge of the metallic object found in the lower segment;

R6 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R6 is from 0 to 0.5.

7. The LED tube lamp in claim 1, wherein:

R7 is a ratio of an overall area of the metallic object found in the disk to an overall area of the metallic object found in the ring;

R7 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R7 is from 0 to 0.1.

8. The LED tube lamp in claim 1, wherein:

R8 is a ratio of the aggregate of the linear distance around the edge of the metallic object found in the disk to the aggregate of the linear distance around the edge of the metallic object found in the ring;

R8 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R8 is from 0 to 0.05.

9. The LED tube lamp in claim 1, wherein:

R9 is D3/H;

R9 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R9 is from 0.05 to 0.45.

10. The LED tube lamp in claim 1, wherein:

R10 is D1/H;

R10 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R10 is from 0.055 to 0.95.

11. The LED tube lamp in claim 1, wherein:

R11 is D2/H;

R11 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R11 is from 0.01 to 0.45.

12. The LED tube lamp in claim 1, wherein:

E is a number of types of metal found in the cross section;

E is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

E is from 2 to 10.

13. The LED tube lamp in claim 1, wherein:

R12 is a ratio of an overall area of the opaque outer surface to an overall area of the translucent outer surface; and

R12 is from 0.05 to 0.99.

14. The LED tube lamp in claim 1, wherein:

R13 is a ratio of an overall length of the opaque object that shows itself on the circumference of the cross section to an overall length of the translucent object that shows itself on the circumference of the cross section;

R13 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R13 is from 0.05 to 0.99.

15. The LED tube lamp in claim 1, wherein:

R14 is a ratio of an overall area of the reinforcing portion that shows itself on the outer surface of the lamp tube to an overall area of the light transmissive portion that shows itself on the outer surface of the lamp tube; and

R14 is from 0.02 to 1.65.

16. The LED tube lamp in claim 1, wherein:

R15 is a ratio of an overall length of the reinforcing portion that shows itself on the circumference of the cross section to an overall length of the light transmissive portion that shows itself on the circumference of the cross section;

R15 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R15 is from 0.02 to 1.65.

17. The LED tube lamp in claim 1, wherein:

R16 is a ratio of an overall area of the reinforcing portion on the cross section to an overall area of the light transmissive portion on the cross section;

R16 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R16 is from 0.02 to 4.

18. The LED tube lamp in claim 1, wherein:

R17 is a ratio of the aggregate of the linear distance around the edge of the reinforcing portion on the cross section to the aggregate of the linear distance around the edge of the light transmissive portion on the cross section;

R17 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R17 is from 0.02 to 1.

19. The LED tube lamp in claim 1, wherein:

R18 is F/H;

R18 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R18 is from 0.05 to 0.4.

20. The LED tube lamp in claim 1, wherein:

R19 is F1/H;

R19 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R19 is from 0.6 to 0.95.

21. The LED tube lamp in claim 1, wherein:

R20 is F2/H;

R20 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R20 is from 0 to 0.45.

22. The LED tube lamp in claim 1, wherein:

G is a number of groups of materials categorized by stiffness found in the cross section of the lamp tube;

G is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

G is from 5 to 15.

23. The LED tube lamp in claim 22, wherein:

R23 is a ratio of an overall area of all objects having greatest stiffness on the cross section to an overall area of all other objects having less stiffness on the cross section;

R23 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R23 from 0.005 to 0.1.

24. The LED tube lamp in claim 22, wherein:

R24 is a ratio of the aggregate of the linear distance around the edge of all objects having greatest stiffness on the cross section to the aggregate of the linear distance around the edge of all other objects having less stiffness on the cross section;

R24 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R24 from 0.005 to 1.65.

25. The LED tube lamp in claim 1, wherein:

the cross section of the lamp tube perpendicular to the lamp tube'"'"'s longitudinal axis contains a subset of the cross section revealing one of the reinforcing portion, a ridge, a maintaining stick, a protruding bar and a combination selected from above;

the subset of the cross section reveals a combination of objects made of materials having a variety of stiffness;

K is a number of groups of the materials categorized by stiffness found in the subset of the cross section of the lamp tube; and

K is from 5 to 15.

26. The LED tube lamp in claim 25, wherein:

R25 is a ratio of an overall area of all objects having greatest stiffness on the subset of the cross section to an overall area of all other objects having less stiffness on the subset of the cross section;

R25 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R25 is from 0.02 to 4.

27. The LED tube lamp in claim 25, wherein:

R26 is a ratio of the aggregate of the linear distance around the edge of all objects having greatest stiffness on the subset of the cross section to the aggregate of the linear distance around the edge of all other objects having less stiffness on the subset of the cross section;

R26 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R26 is from 0.02 to 1.

28. The LED tube lamp in claim 1, wherein:

the cross section of the lamp tube perpendicular to the lamp tube'"'"'s longitudinal axis contains a subset of the cross section revealing one of the reinforcing portion, a ridge, a maintaining stick, a protruding bar and a combination selected from above;

the subset of the cross section reveals a combination of metallic objects and plastic objects;

P is a number of types of metal found in the subset of the cross section;

Q is a number of types of plastic found in subset of the cross section;

P is from 2 to 10; and

Q is from 1 to 5.

29. The LED tube lamp in claim 1, wherein:

the cross section of the lamp tube perpendicular to the lamp tube'"'"'s longitudinal axis contains a subset of the cross section revealing one of the reinforcing portion, a ridge, a maintaining stick, a protruding bar and a combination selected from above;

the subset of the cross section reveals a combination of metallic objects and nonmetallic objects;

R27 is an overall area of the metallic objects on the subset of the cross section to an overall area of the nonmetallic objects on the subset of the cross section;

R27 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R27 is from 0 to 0.5.

31. The LED tube lamp in claim 18, wherein:

R21 is a ratio of an overall area of the thermally conductive plastic that shows itself on the outer surface of the lamp tube to an overall area of the light transmissive plastic that shows itself on the outer surface of the lamp tube; and

R21 is from 0.05 to 1.

32. The LED tube lamp in claim 18, wherein:

R22 is a ratio of an overall length of the thermally conductive plastic that shows itself on the circumference of the cross section to an overall length of the light transmissive plastic that shows itself on the circumference of the cross section;

R22 is a constant regardless of where the cross section finds itself on the longitudinal axis of the lamp tube; and

R22 is from 0.05 to 1.

33. The LED tube lamp in claim 1, wherein:

the end cap is attached to the reinforcing portion with a fastener; and

the fastener is non-electrically conductive.

34. The LED tube lamp in claim 1, wherein:

the end cap is attached to the reinforcing portion with a fastener; and

the fastener is non-destructive to the end cap and the reinforcing portion.

30. An LED tube lamp, comprising:

a lamp tube, which includes a light transmissive portion, a reinforcing portion and an end cap; and

an LED light assembly, which includes an LED light source and an LED light strip, wherein;

the light transmissive portion is fixedly connected to the reinforcing portion;

the reinforcing portion includes a platform and a bracing structure;

the bracing structure is fixedly connected to the platform and holds the platform in place;

the LED light source is thermally and electrically connected to the LED light strip, which is in turn thermally connected to the reinforcing portion;

the end cap is attached to an end of the lamp tube;

the outer surface of the lamp tube is exclusively made of plastic; and

the outer surface of the lamp tube reveals a combination of thermally conductive plastic and light transmissive plastic.