CN104110646A

CN104110646A - Wide-angle multi-color-temperature LED bulb.

Info

Publication number: CN104110646A
Application number: CN201310134691.XA
Authority: CN
Inventors: 蔡明达; 陈靖中
Original assignee: Rongchuang Energy Technology Co ltd; Zhanjing Technology Shenzhen Co Ltd
Current assignee: Rongchuang Energy Technology Co ltd; Zhanjing Technology Shenzhen Co Ltd
Priority date: 2013-04-18
Filing date: 2013-04-18
Publication date: 2014-10-22
Also published as: TW201441540A; TWI497014B

Abstract

A wide-angle multi-color-temperature LED bulb comprises a lampshade, a circuit board, LED components and a lamp base. The circuit board is double-sided and provided with a first side and a second side which are opposite. The LED components include a first LED component and a second LED component. The first LED component and the second LED component emit white light and are different in color temperature. The first LED component and the second LED component are respectively mounted on the first side and the second side of the circuit board to serve as the first light source and the second light source. The lampshade covers the first light source and the second light source so as to adjust the optical field distribution of the first light source and the second light source. The lamp base is connected with the lampshade and electrically connected with the LED components through the circuit board. The wide-angle multi-color-temperature LED bulb has the advantages that color temperatures of light emitted from the upper and lower sides of the bulb are different, and the bulb is large in light emitting angle.

Description

Wide-angle multi color temperature LED bulb

Technical field

The present invention relates to a kind of LED bulb, particularly a kind of wide-angle multi color temperature LED bulb.

Background technology

LED bulb is usingd LED element as light source.Yet, due to the restriction of LED bulb structure, make the rising angle of LED bulb be less than 180 degree, its illumination zone has obvious locality, and colour temperature is single, can not be applicable to the diversified demand of special area or application scenarios.

Summary of the invention

The present invention aims to provide a kind of wide-angle multi color temperature LED bulb, and it can not only overcome the little shortcoming of traditional LED bulb bright dipping light field angle, and can send the white light with two kinds of different-colours.

A wide-angle multi color temperature LED bulb, comprises lampshade, circuit substrate, LED element and lamp holder, and circuit substrate is the first surface that is oppositely arranged of double-sided circuit substrate having and second; LED element comprises a LED element and the 2nd LED element; Described first, second LED element all sends white light and the two colour temperature is different; First, second LED element is arranged on respectively the first surface of double-sided circuit substrate and second and above usings as the first light source and secondary light source; Lampshade on first, second light source to regulate the optical field distribution of first, second light source; Lamp holder is connected with lampshade and by being electrically connected between circuit substrate and LED element.

A kind of wide-angle multi color temperature LED bulb provided by the present invention, the two sides of its double-sided circuit substrate arranges respectively LED element two kinds of white lights, different-colour, can be so that the colour temperature of this wide-angle multi color temperature LED bulb double-sided circuit substrate both sides bright dipping be different, and whole rising angle is increased.In addition, coordinate the use of lampshade, also can make the optical field distribution of whole Wide-angle LED bulb even.

Accompanying drawing explanation

Fig. 1 is the wide-angle multi color temperature LED bulb schematic diagram in first embodiment of the invention.

Fig. 2 is the double-sided circuit substrate schematic diagram of the wide-angle multi color temperature LED bulb shown in this Fig. 1.

Fig. 3 is the schematic diagram of double-sided circuit substrate first surface one side of the wide-angle multi color temperature LED bulb shown in this Fig. 1.

Fig. 4 is the wide-angle multi color temperature LED bulb schematic diagram in second embodiment of the invention.

Fig. 5 is the schematic diagram of second side of double-sided circuit substrate of the wide-angle multi color temperature LED bulb in third embodiment of the invention.

Fig. 6 is the schematic diagram of second side of double-sided circuit substrate of the wide-angle multi color temperature LED bulb in four embodiment of the invention.

Fig. 7 is the schematic diagram of second side of double-sided circuit substrate of the wide-angle multi color temperature LED bulb in fifth embodiment of the invention.

Main element symbol description

Wide-angle multi color temperature LED bulb	10
		The first light source	110
Secondary light source	120
		The first lampshade	101
The second lampshade	102
		Double-sided circuit substrate	103
First surface	1031
		Second	1032
The one LED element	1041
		The 2nd LED element	1042
Lens	105
		Radiating fin	106、1061
Lamp holder	107

The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.

The specific embodiment

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Refer to Fig. 1 to Fig. 2, wide-angle multi color temperature LED bulb 10, comprises the first lampshade 101, the second lampshade 102, double-sided circuit substrate 103, a LED element 1041, the 2nd LED element 1042, lens 105, radiating fin 106 and lamp holder 107.The one LED element 1041 and the 2nd LED element 1042 are electrically connected to by between double-sided circuit substrate 103 and lamp holder 107, and lamp holder 107 comprises the elements such as power drives.

A described LED element 1041 and the 2nd LED element 1042 all send white light, and the two colour temperature is different.For example, according to different application demands, the range of color temperature collocation of the one LED element 1041 and the 2nd LED element 1042 can be cool colour temperature and the collocation of warm colour temperature, warm colour temperature and the collocation of neutral colour temperature or cool colour temperature and neutral colour temperature collocation etc., in addition, for the person's of being used in conjunction with psychological needs and psychological need, the colour temperature of a LED element 1041 and the 2nd LED element 1042 also can be selected the different-colour of same range of color temperature, to improve the comfortableness of wide-angle multi color temperature LED bulb.

Described double-sided circuit substrate 103, has the first surface 1031 that is oppositely arranged and second 1032.At least one LED element 1041 is arranged on first surface 1031, as the first light source 110.At least one the 2nd LED element 1042 is arranged on second 1032, as secondary light source 120.

Described double-sided circuit substrate 103 can present circle, ellipse or polygon, the contour shape that the first lampshade 101 and the second lampshade 102 engage with double-sided circuit substrate 103 thus also can be done corresponding adjustment, and making the part that the first lampshade 101, the second lampshade 102 engage with double-sided circuit substrate 103 is corresponding circle, ellipse or polygon.Double-sided circuit substrate 103 shown in the present embodiment is circular.

Described the first lampshade 101 is located on the first light source 110 to regulate the optical field distribution of the first light source 110.In order to coordinate circular double-sided circuit substrate 103, the first lampshades 101 rounded with the part that double-sided circuit substrate 103 engages.

Further, refer to Fig. 3, the inner surface of the first lampshade 101 and outer surface all can be done to atomization processing, make to see through the beam divergence of the first lampshade 101, to strengthen the uniformity of the light that sees through the first lampshade 101.

Preferably, in the present embodiment, only the inner surface of the first lampshade 101 is done to atomization and processed, make to see through the beam divergence of the first lampshade 101, not only make light become soft, and strengthened wide-angle multi color temperature LED bulb 10 and go out uniformity of light; The smooth outer surface of described the first lampshade 101, smooth outer surface is not only difficult for sticky ash, and easy cleaning.

The tubular structure that described the second lampshade 102 is both ends open.The lateral wall of described the second lampshade 102 is concave curved surface.One end of described the second lampshade 102 and circular double-sided circuit substrate 103 are connected, thereby this second lampshade 102 covers on secondary light source 120 to regulate the optical field distribution of secondary light source 120.

Understandably, the first lampshade 101 and the second lampshade 102 can be one-body molded, and then double-sided circuit substrate 103 is entered by the bottom of the second lampshade 102, and by the means such as bonding, double-sided circuit substrate 103 is fixed on to the correct position in the first lampshade 101 and the second lampshade 102 enclosed spaces, now, double-sided circuit substrate 103 can be selected flexible, bent material, also can adopt spliced double-sided circuit substrate 103, and guarantee bending and splice the performance that does not affect double-sided circuit substrate 103 and be installed on element on double-sided circuit substrate 103.

Described radiating fin 106 is arranged between described the second lampshade 102 and described lamp holder 107, the shell of air, the first lampshade 101, the second lampshade 102 and lamp holder 107 of take is heat transfer medium, and the heat that described the first light source 110, secondary light source 120 and lamp holder 107 are produced is delivered in external environment.In addition, when the heat of wide-angle multi color temperature LED bulb 10 generations is enough to outwards evacuate by the shell of the first lampshade 101, the second lampshade 102 and lamp holder 107, also can select radiating fin 106 is not installed, the second lampshade 102 is directly connected with lamp holder 107.

Further, refer to Fig. 4, for strengthening the heat sinking function of wide-angle multi color temperature LED bulb, can set up auxiliary heat dissipation fin 1061, auxiliary heat dissipation fin 1061 is arranged on described double-sided circuit substrate 103 peripheries, and between described the first lampshade 101 and described the second lampshade 102.

Further, junction between described the first lampshade 101 and double-sided circuit substrate 103, between double-sided circuit substrate 103 and the second lampshade 102, between the second lampshade 102 and radiating fin 106, between radiating fin 106 and lamp holder 107 all scribbles heat-conducting glue, to improve heat conductivility.

Due to LED element distribution of light intensity skewness, its forward luminous intensity is greater than lateral light intensity, when people with the naked eye looks at straight, can feel that LED bulb light is very dazzling.The wide-angle multi color temperature LED bulb 10 that the present embodiment provides, can be installed on the wall or roof in room, first lampshade 101 described in employing with atomization surface covers on described the first light source 110, wide-angle multi color temperature LED bulb 10 when people with the naked eye looks at straight, can not feel that the light of described wide-angle multi color temperature LED bulb 10 is very dazzling.

In addition, on the 2nd LED element 1042 of the secondary light source 120 of wide-angle multi color temperature LED bulb 10, be provided with lens 105.The light that lens 105 send for reflecting the 2nd LED element 1042.The top center of lens 105 has a concave curved surface towards the 2nd LED element 1042 depressions.

Further, refer to Fig. 5, the concave curved surface of lens 105 top center is done to atomization and process, the light being sent by secondary light source 120 is dispersed through after the concave curved surface of these lens 105, strengthened and uniformity of light, and be not limited only to corresponding the 2nd LED element 1042 of lens 105.

In addition, refer to Fig. 6, also can do mirror process to the concave curved surface of lens 105 top center, in order to reflection, from secondary light source 120, send and arrive the light of minute surface, make more light can see through the side of lens 105, and then make more light see through the second lampshade 102 to increase the brightness of wide-angle multi color temperature LED bulb 10.

Further, refer to Fig. 7, the inner surface of the second lampshade 102 is done to atomization and process, can make to see through the beam divergence of the second lampshade 102, not only make light become soft, and strengthened wide-angle multi color temperature LED bulb 10 and go out uniformity of light; The smooth outer surface of described the second lampshade 102, smooth outer surface is not only difficult for sticky ash, and easy cleaning.

Understandably, also can do atomization to the outer surface of the second lampshade 102 and process, or the surfaces externally and internally of the second lampshade 102 all be done to atomization and process.

Can do for a person skilled in the art in the technology of the present invention design and do other variations, still, technical conceive according to the present invention is made other various corresponding changes and distortion, all should belong to the protection domain of the claims in the present invention.

Claims

1. a wide-angle multi color temperature LED bulb, comprises lampshade, circuit substrate, LED element and lamp holder, it is characterized in that: circuit substrate is the first surface that is oppositely arranged of double-sided circuit substrate having and second; LED element comprises a LED element and the 2nd LED element; Described first, second LED element all sends white light and the two colour temperature is different; First, second LED element is arranged on respectively the first surface of double-sided circuit substrate and second and above usings as the first light source and secondary light source; Lampshade on first, second light source to regulate the optical field distribution of first, second light source; Lamp holder is connected with lampshade and by being electrically connected between circuit substrate and LED element.

2. wide-angle multi color temperature LED bulb as claimed in claim 1, it is characterized in that: lampshade comprises the first lampshade and the second lampshade, the first lampshade on the first light source to regulate the optical field distribution of the first light source, the second lampshade on secondary light source to regulate the optical field distribution of secondary light source.

3. wide-angle multi color temperature LED bulb as claimed in claim 2, is characterized in that: the tubular structure that described the second lampshade is both ends open, and one end of the second lampshade is connected with double-sided circuit substrate, and the other end is connected with lamp holder.

4. wide-angle multi color temperature LED bulb as claimed in claim 3, is characterized in that: the lateral wall of described the second lampshade is concave curved surface.

5. wide-angle multi color temperature LED bulb as claimed in claim 4, is characterized in that: also comprise and setting up at the other end of the second lampshade and the radiating fin between lamp holder.

6. wide-angle multi color temperature LED bulb as claimed in claim 5, is characterized in that: between described the first lampshade and double-sided circuit substrate, between described double-sided circuit substrate and the second lampshade, between the second lampshade and radiating fin and be equipped with heat-conducting medium between described radiating fin and lamp holder.

7. wide-angle multi color temperature LED bulb as claimed in claim 2, is characterized in that: also comprise the auxiliary heat dissipation fin that is arranged on described double-sided circuit substrate peripheral, described auxiliary heat dissipation fin is between described the first lampshade and described the second lampshade.

8. wide-angle multi color temperature LED bulb as claimed in claim 1, it is characterized in that: also comprise the lens on the LED element that is arranged on described secondary light source, these lens are for regulating the light path of secondary light source, and this lens top center has a concave curved surface towards LED element depression.

9. wide-angle multi color temperature LED bulb as claimed in claim 8, is characterized in that: the concave curved surface of described lens top center does mirror process or atomization is processed.

10. the wide-angle multi color temperature LED bulb as described in any one in claim 2 to 9, is characterized in that: in the inner surface of described the first lampshade or the second lampshade and outer surface, at least one face is done atomization processing so that the light penetrating has dispersion effect.