CN202281095U - Light-emitting diode (LED) module - Google Patents
Light-emitting diode (LED) module Download PDFInfo
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- CN202281095U CN202281095U CN201120416893XU CN201120416893U CN202281095U CN 202281095 U CN202281095 U CN 202281095U CN 201120416893X U CN201120416893X U CN 201120416893XU CN 201120416893 U CN201120416893 U CN 201120416893U CN 202281095 U CN202281095 U CN 202281095U
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- led module
- led
- pcb
- circuit board
- printed circuit
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Abstract
A light-emitting diode (LED) module comprises a casing and an LED. The casing is provided with a containing cavity and comprises a casing body and a lens, the lens is arranged in the middle of the casing body and is a hemispherical lens provided with an arc-shaped light-emitting face and a plane-shaped light incidence face opposite to the light-emitting face, and a groove is arranged on the lens at the position of the middle of the light-emitting face. The LED is placed in the containing cavity and right faces the groove. By means of the structure, the lens forms a secondary light distribution structure and can enable light emitted by the LED right facing the groove to be irradiated within an effective range, thereby enlarging a light-emitting angle of the LED module effectively.
Description
[technical field]
The utility model relates to LED illumination application field, particularly relates to a kind of LED module.
[background technology]
In LED (Light Emitting Diode, light emitting diode) application industry, the LED module is because of its super brightness, and characteristics such as low-power consumption, irradiated area are big, simple installation are widely used in places such as advertising lamp box, sign signboard, propaganda Warning Mark.Along with the maturation gradually of LED module technology, its range of application also can be more extensive.
The existing LED module overwhelming majority is to adopt the small-power module, and there is the little problem of lighting angle in the low-power LED module, makes that its shadow surface is little, and cloth lamp quantity is many, thereby causes material and cost of labor higher.
[utility model content]
Based on this, be necessary the LED module that provides a kind of lighting angle bigger.
A kind of LED module comprises:
Shell; Has a host cavity; And said shell comprises housing and lens, and said lens are arranged at the middle part of said housing, and said lens are hemispherical; It has the exiting surface and relative with said exiting surface, as the to be planar shaped incidence surface of arc, and said lens offer groove at the middle part of said incidence surface;
LED is contained in the said host cavity, and with said groove over against.
Preferably, said groove is inverted semielliptical shape, inverted hemispherical or inverted taper shape.
Preferably, said LED module also comprises printed circuit board (PCB), and said printed circuit board (PCB) is arranged at the inside of said shell, and said LED is arranged on the said printed circuit board (PCB).
Preferably, also comprise the LED driving element, said LED driving element is arranged on the said printed circuit board (PCB).
Preferably; Be provided with fixed leg in the said shell, the end of said fixed leg is provided with the engaging boss, offers fixing hole on the said printed circuit board (PCB); Said fixed leg passes said fixing hole, fixes said shell through the bottom surface that said engaging boss is connected to said printed circuit board (PCB).
Preferably, said fixed leg is cylindrical, and axially offers slit along it, divides two semi-cylindrical convex pillar parts that are provided with at interval with said fixed leg, and said engaging boss is fixed on one of them convex pillar part.
Preferably, said LED module also comprises the polyvinyl chloride glue-line that is arranged at said printed circuit board (PCB) bottom, and said polyvinyl chloride glue-line is used to seal said LED module.
Preferably, said shell also comprises two fixed parts being located at said housing two ends respectively, offers installing hole on the said fixed part.
Preferably, also comprise the power line that is arranged on the said printed circuit board (PCB).
Preferably, offer the holddown groove of ccontaining said power line on the said fixed part.
The shell of above-mentioned LED module is provided with lens, and lens are arranged at the middle part of housing, and lens are hemispherical, and it has the exiting surface and relative with said exiting surface, as the to be planar shaped incidence surface of arc, and these lens offer groove at the middle part of said incidence surface.The lens of this structure form the secondary light-distribution structure, can make groove over against the light that sends of LED be radiated in the effective range, thereby can increase the lighting angle of LED module effectively.
[description of drawings]
Fig. 1 is the decomposing schematic representation of the LED module of an embodiment;
Fig. 2 is the decomposing schematic representation of another angle of LED module shown in Figure 1;
Fig. 3 is the structural representation of LED module shown in Figure 1;
Fig. 4 is the profile along IV-IV line among Fig. 3.
[specific embodiment]
Below through the specific embodiment above-mentioned LED module is further set forth.
Please consult Fig. 1 simultaneously, the LED module 100 of an embodiment comprises printed circuit board (PCB) 10, LED 20 and shell 30.
Printed circuit board (PCB) 10 is the devices that are used to carry LED module 100 intrawares.LED module 100 each inner assembly are arranged on the surface of printed circuit board (PCB) 10.In this embodiment, printed circuit board (PCB) 10 is roughly square plate.Offer fixing hole 12 on the printed circuit board (PCB) 10, fixing hole 12 is used for fixing printed circuit board (PCB) 10 and shell 30.
Be appreciated that in its embodiment, also printed circuit board (PCB) 10 can be set, and get final product through lead being drawn internally be connected with outside printed circuit board (PCB).
Please consult Fig. 1 and Fig. 2 simultaneously, shell 30 is roughly square casing, comprises housing 32 and the lens 34 that are arranged at the housing middle part.Housing 32 is formed with a host cavity 322, and printed circuit board (PCB) 10 is contained in the host cavity 322.Be provided with fixed leg 324 in the housing 32, the end of fixed leg 324 is provided with engaging boss 3242.Fixed leg 324 passes the fixing hole 12 on the printed circuit board (PCB) 10, and engaging boss 3242 is connected to bottom surface and the fixed printed circuit board 10 and shell 30 of printed circuit board (PCB) 10.
In this embodiment, fixed leg 324 is cylindrical, and axially offers slit 3244 along it.Two semi-cylindrical convex pillar parts 3246 that slit 3244 was provided with fixed leg in 342 minutes at interval.Engaging boss 3242 is arranged on one of them convex pillar part 3246.Be appreciated that fixed leg 324 can not offer slit 3244, columniform fixed leg also can be realized fixed effect.But this formula structure of riving makes fixed leg 324 have elasticity, so that cooperate tightr with fixing hole 12.
Please consult Fig. 3 and Fig. 4 simultaneously, lens 34 are hemispherical, its have arc exiting surface 342 and with exiting surface 342 relatively and be the incidence surface 344 of planar shaped.The middle part of incidence surface 344 offers groove 3442.LED 20 and groove 3442 over against.The lens 34 of this structure form the secondary light-distribution structures, can make with groove 3442 over against the light that sends of LED 20 be radiated in the effective range, thereby can increase the lighting angle of LED module 100 effectively.
Preferably, groove 3442 can be inverted semielliptical shape, inverted hemispherical or inverted taper shape.
Please consult Fig. 1 and Fig. 2 once more, further, shell 30 also comprises fixed part 36.Fixed part 36 is arranged at the two ends of housing 32 respectively.Fixed part 36 offers installing hole 362.When mounted, passing installing hole 362 with securing member can be mounted to LED module 100 on the external equipment, very convenient.
Fixed part 36 also offers holddown groove 364.
Further, LED module 100 also comprises LED driving element (figure does not show).The LED driving element is arranged on the printed circuit board (PCB) 10, is used for driving LED 20.Be appreciated that in other embodiments, also the LED driving element can be set, and through lead is drawn internally, be connected with the driving element of outside and get final product.
Further, LED module 100 also comprises polyvinyl chloride glue-line 40.Polyvinyl chloride glue-line 40 is arranged at the bottom of printed circuit board (PCB) 10, is used for sealing LED module 100, plays the effect of water proof and dust proof.
Further, LED module 100 also comprises power line 50.Power line 50 is arranged on the printed circuit board (PCB) 10, and power line 50 one group of arrangement in twos, and the end of the power line 50 of each group and LED driving element are arranged on the same surface of printed circuit board (PCB) 10.One end of each root power line 50 is electrically connected with the LED driving element, and the other end stretches out, pass the holddown groove 364 of fixed part 36 after, link to each other with external equipment (figure do not show).The size of the thickness of every power line 50 and holddown groove 364 is complementary, to guarantee the sealing of LED module 100.
The shell 30 of above-mentioned LED module 100 is provided with lens 34, and lens 34 are hemispherical, its have arc exiting surface 342 and with exiting surface 342 relatively and be the incidence surface 344 of planar shaped.The middle part of incidence surface 344 offers groove 3442.LED 20 and groove 3442 over against.The lens 34 of this structure form the secondary light-distribution structures, can make with groove 3442 over against the light that sends of LED 20 be radiated in the effective range, thereby can increase the lighting angle of LED module 100 effectively.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.
Claims (10)
1. a LED module is characterized in that, comprising:
Shell; Has a host cavity; And said shell comprises housing and lens, and said lens are arranged at the middle part of said housing, and said lens are hemispherical; It has the exiting surface and relative with said exiting surface, as the to be planar shaped incidence surface of arc, and said lens offer groove at the middle part of said incidence surface;
LED is contained in the said host cavity, and with said groove over against.
2. LED module according to claim 1 is characterized in that, said groove is inverted semielliptical shape, inverted hemispherical or inverted taper shape.
3. LED module according to claim 1 is characterized in that, said LED module also comprises printed circuit board (PCB), and said printed circuit board (PCB) is arranged at the inside of said shell, and said LED is arranged on the said printed circuit board (PCB).
4. LED module according to claim 3 is characterized in that, also comprises the LED driving element, and said LED driving element is arranged on the said printed circuit board (PCB).
5. LED module according to claim 3; It is characterized in that; Be provided with fixed leg in the said shell, the end of said fixed leg is provided with the engaging boss, offers fixing hole on the said printed circuit board (PCB); Said fixed leg passes said fixing hole, fixes said shell through the bottom surface that said engaging boss is connected to said printed circuit board (PCB).
6. LED module according to claim 5; It is characterized in that said fixed leg is cylindrical, and axially offer slit along it; Divide two semi-cylindrical convex pillar parts that are provided with at interval with said fixed leg, said engaging boss is fixed on one of them convex pillar part.
7. LED module according to claim 3 is characterized in that, said LED module also comprises the polyvinyl chloride glue-line that is arranged at said printed circuit board (PCB) bottom, and said polyvinyl chloride glue-line is used to seal said LED module.
8. LED module according to claim 3 is characterized in that, said shell also comprises two fixed parts being located at said housing two ends respectively, offers installing hole on the said fixed part.
9. LED module according to claim 8 is characterized in that, also comprises the power line that is arranged on the said printed circuit board (PCB).
10. LED module according to claim 9 is characterized in that, offers the holddown groove of ccontaining said power line on the said fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120416893XU CN202281095U (en) | 2011-10-27 | 2011-10-27 | Light-emitting diode (LED) module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120416893XU CN202281095U (en) | 2011-10-27 | 2011-10-27 | Light-emitting diode (LED) module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202281095U true CN202281095U (en) | 2012-06-20 |
Family
ID=46227263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120416893XU Expired - Fee Related CN202281095U (en) | 2011-10-27 | 2011-10-27 | Light-emitting diode (LED) module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202281095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256566A (en) * | 2013-04-27 | 2013-08-21 | 易美芯光（北京）科技有限公司 | Light guiding strip and light guiding system with same |
| WO2015058338A1 (en) * | 2013-10-21 | 2015-04-30 | 深圳市日上光电股份有限公司 | Luminous body |
| CN105090794A (en) * | 2015-09-17 | 2015-11-25 | 李忠训 | AC (alternating current) high-voltage LED (light-emitting diode) module convenient to assemble |
-
2011
- 2011-10-27 CN CN201120416893XU patent/CN202281095U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256566A (en) * | 2013-04-27 | 2013-08-21 | 易美芯光（北京）科技有限公司 | Light guiding strip and light guiding system with same |
| WO2015058338A1 (en) * | 2013-10-21 | 2015-04-30 | 深圳市日上光电股份有限公司 | Luminous body |
| CN105090794A (en) * | 2015-09-17 | 2015-11-25 | 李忠训 | AC (alternating current) high-voltage LED (light-emitting diode) module convenient to assemble |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: RISHANG OPTOELECTRONICS CO., LTD. Free format text: FORMER NAME: SHENZHEN RISHANG OPTO-ELECTRONICS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong province Shenzhen City Road Baoan District Shiyan town Tangtou Hongfa Jia Terry hi tech Park Building 2 Patentee after: Rishang Optoelectronics Co., Ltd. Address before: 518000 Guangdong province Shenzhen City Road Baoan District Shiyan town Tangtou Hongfa Jia Terry hi tech Park Building 2 Patentee before: Shenzhen Rishang Opto-Electronics Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120620 Termination date: 20141027 |
|
| EXPY | Termination of patent right or utility model |