CN202253084U - LED (light emitting diode) lamp band - Google Patents
LED (light emitting diode) lamp band Download PDFInfo
- Publication number
- CN202253084U CN202253084U CN2011203376259U CN201120337625U CN202253084U CN 202253084 U CN202253084 U CN 202253084U CN 2011203376259 U CN2011203376259 U CN 2011203376259U CN 201120337625 U CN201120337625 U CN 201120337625U CN 202253084 U CN202253084 U CN 202253084U
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- lamp band
- led
- light
- heart yearn
- led lamp
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Abstract
The embodiment of the utility model discloses an LED (light emitting diode) lamp band, comprising a core wire (3) extruded by light-transmitting plastics, wherein a light string comprising at least one LED light source (2) is embedded in the core wire (3), the core wire (3) is provided with a light-out surface, other side surfaces of the core wire (3) are wrapped with light shading layers (5), and a light reflecting surface (8) is formed on the light shading layer (5) of one side surface, just opposite to the light emitting direction of the LED light source (2). According to the LED lamp band, the light-out efficiency of the LED light source of the LED lamp band on the light-out surface of the LED lamp band can be improved.
Description
Technical field
The utility model relates to electronic applications, relates in particular to a kind of LED lamp band.
Background technology
(light-emitting diode, the LED) huge advantage of and environmental protection energy-conservation with it has been widely used in such as fields such as illumination and decorations light emitting diode.According to different application targets, can design the LED light fixture of different structure.
As everyone knows, the luminous of LED is directive, can not satisfy greater than 180 degree as conventional light source, even reach the luminous requirement of 360 degree.Therefore people are when design LED light fixture (particularly LED lamp band), the direction that generally direction of the light-emitting area of light source (LED) is required over against the light fixture exiting surface.
As shown in Figure 1, be a kind of structural representation of common LED lamp band.Wherein the cross section of this lamp band is a rectangle, being in the heart yearn 3 of material with the printing opacity plastic cement, is embedded with two main power lines 4.And led light source 2 is attempted by between two main power lines 4.Wherein, the A face is the exiting surface of this lamp band, so in this lamp band, the direction of the light-emitting area of led light source 2 is arranged to over against the direction of A face (see among the figure shown in the dotted arrow).
As shown in Figure 2, be the structural representation of the common lamp band of another kind.The cross section of this lamp band is a rectangle, and the A face is a light-emitting area, and other three bread are covered with light shield layer 5, and surrounding formed inner space at this light shield layer 5 is the heart yearn 3 of printing opacity plastic cement; Equally wherein be embedded with main power line 4.Like this, because need the A face luminous, the light emission direction that then is connected the led light source 2 between the main power line 4 is set to over against A face (see among the figure shown in the dotted arrow).
In the lamp band that goes out illustrated in figures 1 and 2, led light source 2 can obtain bigger light extraction efficiency at the exiting surface (A face) of lamp band.But; Sometimes owing to need satisfy the specific (special) requirements in some LED lamp applications place; Can be on the structural design of LED light fixture there be a lot of challenges, for example, when there are contradiction in the bending direction of lamp band and light-emitting area direction; Have no idea to make the light emission direction of led light source to reach consistent, the light extraction efficiency of led light source is greatly reduced with the light-emitting area that the LED light fixture requires.As shown in Figure 3, promptly show a kind of like this situation.In the lamp band shown in Fig. 3, wherein, the A face is an exiting surface, and other three bread are covered with light shield layer 5, and surrounding formed inner space at this light shield layer 5 is the heart yearn 3 of printing opacity plastic cement; In printing opacity plastic cement 3, be embedded with flexible print circuit (Flexible Printed Circuit, FPC) plate 7, led light source 2 is electrically connected (for example being connected through modes such as welding or SMT technologies) through conductive metal band 6 and this FPC plate 7.Because this light belt needs bending, and bending direction is (promptly the carrying out bending around the long limit in lamp band cross section for axle) confirmed, so wherein the light emission direction of the led light source 2 of laying can only be as shown in Figure 3, with the A face be not same direction.Very big some can not be sent from the A face in the luminous energy that obvious led light source 2 is sent, and has promptly reduced the light extraction efficiency of led light source 2 at lamp band exiting surface (A face).
The utility model content
In view of this; The utility model embodiment problem to be solved is; A kind of LED lamp band is provided, can improves the light extraction efficiency of its led light source, even when led light source light emission direction and LED lamp band exiting surface direction are inconsistent, still can obtain higher bright dipping level at the exiting surface of this LED lamp band.
A kind of LED lamp band that the utility model provides comprises the heart yearn that is extruded out by the printing opacity plastic cement, is embedded with the lamp string that includes at least one led light source in the said heart yearn, it is characterized in that,
Said heart yearn has an exiting surface, and all the other sides of said heart yearn are coated with light shield layer, on the light shield layer of a side of said led light source light emission direction, is being formed with reflective surface.
Preferable, this reflective surface is a plane, forms an acute angle with horizontal plane in all the other sides of this heart yearn.
Preferable, be coated with high reflecting material on this reflective surface.
Preferable, this light shield layer is white shading plastic cement.
Preferable, this reflective surface is a curved surface.
Preferable, further being provided with two main power lines in this heart yearn, the both positive and negative polarity of this lamp string is connected in parallel on these two main power lines.
Preferable, further be provided with the FPC plate in this heart yearn, near the FPC plate, be laid with the metallic conduction band, the both positive and negative polarity of this lamp string is electrically connected with this FPC plate.
The LED lamp band of the utility model through a reflective surface is set, can improve the light extraction efficiency of its led light source at the exiting surface of this LED lamp band on the heart yearn side; Particularly when led light source light emission direction and LED lamp band exiting surface direction are inconsistent,, still can obtain higher bright dipping level through the effect of this reflective surface.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing a kind of LED lamp band;
Fig. 2 is the structural representation of existing another kind of LED lamp band;
Fig. 3 is the structural representation of existing another LED lamp band;
Fig. 4 is the structural representation of first embodiment of the LED lamp band of the utility model;
Fig. 5 is the structural representation of second embodiment of the LED lamp band of the utility model.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment will be carried out clear, intactly description.
As shown in Figure 4, be the structural representation of LED lamp band first embodiment of the utility model.
As can be seen from the figure; This LED lamp band comprises the heart yearn 3 that is extruded out by the printing opacity plastic cement; In this heart yearn 3, be embedded with two main power lines 2, the lamp string that includes at least one led light source 2 is embedded in this heart yearn 3, and the both positive and negative polarity of this lamp string is connected in parallel on two main power lines 2.
Wherein, this heart yearn 3 has one exiting surface (A face), and the side of other three directions of heart yearn 3 except that the A face all is coated with light shield layer 5, and this light shield layer 5 can be the shading plastic cement of white.The light that led light source 2 is sent can only appear from the exiting surface (A face) of heart yearn 3.
The light emission direction that faces led light source 2 the light shield layer 5 of a side on, be formed with a reflective surface 8 (being the B face).Horizontal plane in all the other sides of this reflective surface 8 and heart yearn 3 forms an angle (α angle) that is acute angle, and at least a portion in the light that led light source 2 is sent reflexes to exiting surface, and wherein, this reflective surface 8 can directly be formed by the material of light shield layer 5; In a further embodiment, in order to improve reflection efficiency, can on this reflective surface 8, apply high reflecting material (like resin, pigment, glass microballoon etc.) to light.
The operation principle of the utility model is; The ray cast of deserving led light source 2 is during to reflecting surface 8; Because the exiting surface A face from this heart yearn 3 after the effect of reflection, the part of light are reflected or repeatedly reflected penetrates, as long as the suitable angle of selection; Just can make part as much as possible in the light that led light source 2 sent reach A face (can referring to shown in the dotted arrow among the figure) after reflection, thereby improve the light extraction efficiency of led light source 2 at the exiting surface of this LED lamp band.In addition, correctly select light shield layer 5 materials to make its reflectivity high, perhaps coat light shield layer 5 again and on reflective surface 8, apply high reflecting material, all help to improve light emission rate at the B of heart yearn face.
As shown in Figure 5, be the structural representation of LED lamp band second embodiment of the utility model.
As can be seen from the figure; This LED lamp band comprises the heart yearn 3 that is extruded out by the printing opacity plastic cement; In this heart yearn 3, be embedded with FPC plate 7; Near FPC plate 7, be laid with metallic conduction band 6, and the lamp string that includes 2 of at least one led light sources is embedded in this heart yearn 3, the both positive and negative polarity of this lamp string is electrically connected with described FPC plate 7.
Wherein, this heart yearn 3 has one exiting surface (A face), and the side of other three directions of heart yearn 3 except that the A face all is coated with light shield layer 5, and this light shield layer 5 can be the shading plastic cement of white.The light that led light source 2 is sent can only appear from the exiting surface (A face) of heart yearn 3.
Face on the light shield layer 5 of side of light emission direction of led light source 2 at this, be formed with a reflective surface 8 (being the B face).Horizontal plane in all the other sides of this reflective surface 8 and heart yearn 3 forms an angle (α angle) that is acute angle, and wherein, this reflective surface 8 can directly be formed by the material of light shield layer 5; In a further embodiment, in order to improve reflection efficiency, can on this reflective surface 8, apply high reflecting material (like resin, pigment, glass microballoon etc.) to light.
That describes among its operation principle and Fig. 1 is similar, does not give unnecessary details at this.
It is understandable that in above-mentioned two embodiment, light shield layer 5 is provided with one and the acutangulate reflective surface 8 of horizontal plane, this reflective surface 8 is planes.In other embodiment, this reflective surface 8 can be a curved surface, can the light that led light source 2 is sent be reflexed on the exiting surface of this LED lamp band as much as possible equally through this curved surface.
The LED lamp band of the utility model through a reflective surface is set, can improve the light extraction efficiency of its led light source on the exiting surface of this LED lamp band on the heart yearn side; Particularly when led light source light emission direction and LED lamp band exiting surface direction are inconsistent,, still can obtain higher bright dipping level through the effect of this reflective surface.
Above disclosedly be merely the utility model preferred embodiment, can not limit the interest field of the utility model certainly with this, the equivalent variations of therefore being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (7)
1. a LED lamp band comprises the heart yearn (3) that is extruded out by the printing opacity plastic cement, is embedded with the lamp string that includes at least one led light source (2) in the said heart yearn (3), it is characterized in that,
Said heart yearn (3) has an exiting surface, and all the other sides of said heart yearn (3) are coated with light shield layer (5), on the light shield layer (5) of a side of said led light source (2) light emission direction, is being formed with reflective surface (8).
2. LED lamp band as claimed in claim 1; It is characterized in that; Said reflective surface (8) is a plane, forms an acute angle with horizontal plane in all the other sides of said heart yearn (3), and at least a portion in the light that said led light source (2) is sent reflexes to said exiting surface.
3. LED lamp band as claimed in claim 2 is characterized in that said reflective surface is coated with high reflecting material on (8).
4. LED lamp band as claimed in claim 3 is characterized in that, said light shield layer (5) is white shading plastic cement.
5. LED lamp band as claimed in claim 1 is characterized in that said reflective surface (8) is a curved surface.
6. like each described LED lamp band of claim 1 to 5, it is characterized in that further be provided with two main power lines (2) in the said heart yearn (3), the both positive and negative polarity of said lamp string is connected in parallel on said two main power lines (2).
7. like each described LED lamp band of claim 1 to 5; It is characterized in that; Further be provided with FPC plate (7) in the said heart yearn (3), near FPC plate (7), be laid with metallic conduction band (6), the both positive and negative polarity of said lamp string is electrically connected with said FPC plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376259U CN202253084U (en) | 2011-09-09 | 2011-09-09 | LED (light emitting diode) lamp band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376259U CN202253084U (en) | 2011-09-09 | 2011-09-09 | LED (light emitting diode) lamp band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202253084U true CN202253084U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203376259U Expired - Fee Related CN202253084U (en) | 2011-09-09 | 2011-09-09 | LED (light emitting diode) lamp band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202253084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879671A (en) * | 2015-06-02 | 2015-09-02 | 李忠林 | Ceiling sideline decoration lamp |
| CN105333337A (en) * | 2015-11-30 | 2016-02-17 | 江门市嘉胜照明有限公司 | Lamp band emitting soft light |
-
2011
- 2011-09-09 CN CN2011203376259U patent/CN202253084U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104879671A (en) * | 2015-06-02 | 2015-09-02 | 李忠林 | Ceiling sideline decoration lamp |
| CN105333337A (en) * | 2015-11-30 | 2016-02-17 | 江门市嘉胜照明有限公司 | Lamp band emitting soft light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170120 Address after: Sha Tian Zhen Tian tou Cun 516200 in Guangdong province Huizhou city Huiyang District Patentee after: Huizhou Collier photoelectric Co., Ltd. Address before: 518000 Nanshan District overseas Chinese town, Guangdong, swan Fort K-3D Patentee before: Liu Changgui |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200909 |
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| CF01 | Termination of patent right due to non-payment of annual fee |