CN105736981B - A kind of LED light guide and LED bulb - Google Patents
A kind of LED light guide and LED bulb Download PDFInfo
- Publication number
- CN105736981B CN105736981B CN201610217381.8A CN201610217381A CN105736981B CN 105736981 B CN105736981 B CN 105736981B CN 201610217381 A CN201610217381 A CN 201610217381A CN 105736981 B CN105736981 B CN 105736981B
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- China
- Prior art keywords
- led
- blade
- led light
- light source
- light guide
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The present invention relates to a kind of LED light guides, and the light for issuing to LED light source carries out light distribution, the blade extended including substrate and from substrate, and the substrate and blade form light guide.The invention further relates to a kind of LED bulbs.LED light guide of the invention can farthest improve light-emitting area, brightness be reduced, to effectively avoid the appearance of glare problem；LED light guide is particularly suitable in LED bulb, can be used with replacement bulb shell.
Description
Technical field
The present invention relates to LED technology, in particular to a kind of LED light guide and LED bulb.
Background technique
The luminous of LED light in the prior art is relatively concentrated, such as the bulb shell structure of LED bulb is circular arc type, moulding
Single, whole lamp only has bulb shell part that can shine, and brightness is excessively high, is easy to produce glare problem.
In LED technology field, the various light guide structures of meter, such as light guide plate etc. are set up, the light issued to LED light expands
It dissipates.For example, the Chinese invention patent of Patent No. 201410138518.1 discloses a kind of LED light guide plate, it is made of plate, plate
Material surface has several light guiding points, and the side of plate is provided with the groove for placing LED light bar.Above-mentioned LED light guide plate by
Light guide plate groove at side surface makes LED light bar more multiple beam enter light guide plate, and the light beam due to entering light guide plate increases, derived light
Also increase, so that LED panel lamp brightness be made to increase, light efficiency gets a promotion.
The purpose of the LED light guide plate setting groove of above-mentioned patent is to increase the light beam for entering light guide plate, to increase the face LED
Plate lamp brightness, be applied to solve the problems, such as it is above-mentioned because brightness is excessively high be also easy to produce dazzle when, that there are light-emitting areas is inadequate by people
Big and a degree of glare problem.In addition, in the prior art, for examining for structure and the luminous intensity etc. to light bulb
Consider, is generally not provided with additional light guide structure.
Summary of the invention
The light-emitting area of light source is effectively set to become larger the technical problems to be solved by the present invention are: providing one kind, to avoid
Generate the LED light guide of dazzle, it is further provided a kind of LED bulb including above-mentioned LED light guide.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of LED light guide, light for issuing to LED light source carry out light distribution, including substrate and extend from substrate
Blade, the substrate and blade form light guide.
Invention additionally discloses a kind of LED bulbs, including LED light source, further include above-mentioned LED light guide, the LED light source
At least one light direction on be provided with the LED light guide, the blade is arranged far from the LED light source.
The beneficial effects of the present invention are:
(1) in use, LED light guide of the invention is set at least one light direction of external light source, and leaf
Piece is arranged far from light source, and the light for issuing to LED light source carries out light distribution, and the substrate and blade of LED light guide can be sent out
Light can farthest improve light-emitting area, brightness be reduced, to effectively avoid the appearance of glare problem；Meanwhile blade from
It extends out on substrate, structure is simple, can effectively improve the light guide effect of light guide；
(2) LED light guide of the invention is applied in LED bulb especially suitablely, and LED light guide can be with alternative lamp blister
The problem of body, effective solution LED bulb is because only bulb shell can shine, and brightness is excessively high, be easy to produce dazzle.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the LED light guide of the embodiment of the present invention one；
Fig. 2 is the overall structure diagram of the LED light guide of the embodiment of the present invention two；
Fig. 3 is the schematic perspective view of the LED light guide of the embodiment of the present invention three；
Fig. 4 is the top view of the LED light guide of the embodiment of the present invention three；
Fig. 5 is the schematic perspective view of the LED bulb of the embodiment of the present invention four；
Fig. 6 is the cross-sectional view of the LED bulb of the embodiment of the present invention four；
Fig. 7 is the Structure explosion diagram of the LED bulb of the embodiment of the present invention four.
Label declaration:
1, LED light guide；11, substrate；12, blade；2, light source；3, light source board；4, lamp cap.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The most critical design of the present invention is: design includes the LED light guide of substrate and the blade extended from substrate, from
And effectively increase light-emitting area.
Please refer to Fig. 1 to Fig. 4, a kind of LED light guide 1 of the invention, for matching to the light that LED light source issues
Light, including substrate 11 and the blade extended from substrate 11 12, the substrate 11 forms light guide with blade 12.
Invention additionally discloses a kind of LED bulbs, including LED light source 2, further include above-mentioned LED light guide 1, the LED light
The LED light guide 1 is provided at least one light direction in source 2, the blade 12 is arranged far from LED light source 2.
As can be seen from the above description, the beneficial effects of the present invention are:
(1) in use, LED light guide of the invention is set at least one light direction of external light source, and leaf
Piece is arranged far from light source, and the light for issuing to LED light source carries out light distribution, and the substrate and blade of LED light guide can be sent out
Light can farthest improve light-emitting area, brightness be reduced, to effectively avoid the appearance of glare problem；Meanwhile blade from
It extends out on substrate, structure is simple, can effectively improve the light guide effect of light guide；
(2) LED light guide of the invention is applied in LED bulb especially suitablely, and LED light guide can be with alternative lamp blister
The problem of body, effective solution LED bulb is because only bulb shell can shine, and brightness is excessively high, be easy to produce dazzle.
In LED light guide 1 of the invention:
Further, the substrate 11 and blade 12 are integrally formed part.
Seen from the above description, when substrate and blade are integrally formed, guide-lighting area, while the knot be can be further improved
The light guide of structure also has the advantages that prepare simple.
Preferably, substrate and blade can surround the light guide of closure, such as tubulose light guide.In practical applications, LED
Light source can be placed in tubulose light guide.
Further, the substrate 11 is the hollow housing structure equipped with accommodating space, and the accommodating space is for accommodating
LED light source, the blade 12 are located at side wall or top in the substrate 11.
Seen from the above description, as a preferred structure example, substrate is the hollow shell that middle part is equipped with accommodating space
Body structure, and the blade extended from substrate is then located at the side or both ends position of the hollow housing structure of substrate.It is excellent
Choosing, which may be disposed at the medium position of substrate.Have the advantages that structure is simple, compact.
Further, the number of the blade 12 is two or more.
Seen from the above description, the number of blade can be two or more.It is more than two as preferred structure setting
Blade can be distributed in a uniformly spaced manner, alternatively, can be using practical application when LED light source position as reference, more than two leaves
Piece is symmetrical two-by-two.
Further, the blade 12 is vertically arranged with substrate 11.
Seen from the above description, can be vertical between blade and substrate as preferred structure setting, can further it increase
Add light conduction effect, spreads out light sufficiently, effectively.
Further, the blade 12 includes that two sides and a light-emitting surface, the light-emitting surface are set to described two
Between side, the light-emitting surface is used to expand the distribution angle of the light of LED light source sending.
Seen from the above description, as a preferred structure example, blade may include that two sides and one go out light
Face, two sides can go out light, can not also go out light, if going out light can be designed according to actual needs.Light-emitting surface is set to
Between described two sides, it can be used for expanding the distribution angle of the light of LED light source sending, to improve light guide effect.
Further, the blade 12 is plate structure, and the direction that the light-emitting surface is directed away from LED light source protrudes out to be formed
Globoidal structure.
Seen from the above description, as a preferred structure example, blade is plate structure, and light-emitting surface is directed away from
The direction of LED light source protrudes out to form globoidal structure.To utilize convex lens principle, towards light guide two ends (such as will
Light guide is applied in bulb structure, then corresponds to top and the bottom position of bulb housing) light distribution is carried out, to realize that wide-angle is uniform
It shines.Preferably, globoidal structure can be set at the middle part of light-emitting surface；The light-emitting surface of globoidal structure can be along the length side of blade
To setting, the radian design of the specific cambered surface of the light-emitting surface of the globoidal structure can be adjusted according to actual application environment.
In LED bulb of the invention:
Preferably, the blade 12 is arranged along the light direction of LED light source 2.Blade can be along the light direction of light source
Setting, sufficiently spreads light.The LED light guide 1 surrounds a confined space, and the LED light source 2 is set to described
In confined space.For different actual application environments, LED light guide can surround a confined space, the shape of confined space
Shape can be multiplicity, such as rectangle, square, cylinder etc..At this point, light source can be set in confined space, that is,
LED light guide can conduct the light of multiple light emission directions of light source.
It further, further include light source board 3, the LED light source 2 is set on light source board 3, and the light source board 3 is flexibility
Plate.
Seen from the above description, LED bulb may include light source board, and light source board can be flexible board, and the flexible board can
To be made of insulating substrate flexible.So as to which according to actual needs, flexible board is folded, so that whole lamp light emitting anger
Degree becomes larger.
Further, the light source board 3, which folds, forms ring-type, and the LED light source 2 is set along the circumferential direction of cricoid light source board 3
It sets, circumferential direction setting of the blade 12 along cricoid light source board 3.
Seen from the above description, light source board can fold to form ring-type, and light source can be along the circumferential equal of cricoid light source board
Even distribution, at this point, circumferential direction setting of the blade along cricoid light source board, i.e. blade distribution corresponding with light source.One more specific
In example, LED light guide can be cylindric, including cylindrical surface and two end faces, the circumferential surface of cyclic annular light source board and cylindric LED
The cylindrical surface of light guide is corresponding, and blade is exactly arranged on cylindrical surface.
Further, the number of the blade 12 is four, respectively along described between two blades 12 of alternate setting
The axially symmetric distribution of LED bulb.
It seen from the above description, can edge respectively between two blades of alternate setting when the number of blade is four
The axially symmetric distribution of the LED bulb.At this point, looking down at the top of light bulb, the LED light guide including four blades is in
Reveal " ten " font.
Please refer to Fig. 1, the embodiment of the present invention one are as follows:
The LED light guide 1 of the present embodiment, light for issuing to LED light source carry out light distribution, including substrate 11 and from base
The blade 12 extended on plate 11, the substrate 11 form light guide with blade 12.The number of the blade 12 is two or more.Base
The material of plate 11 and blade 12 can be transparent or milky white PC material.In principle, blade can be solid vane, be also possible to
The blade of hollow structure can also be the blade of part hollow structure.
Referring to figure 2., the embodiment of the present invention two are as follows:
The LED light guide 1 of the present embodiment, light for issuing to LED light source carry out light distribution, including substrate 11 and from base
The blade 12 extended on plate 11, the substrate 11 are integrally formed the light guide for surrounding annular with blade 12.The number of the blade 12
Mesh is four.The material of substrate 11 and blade 12 can be transparent or milky white PC material.
Referring to figure 3. and Fig. 4, the embodiment of the present invention three are as follows:
The LED light guide 1 of the present embodiment, light for issuing to LED light source carry out light distribution, including substrate 11 and from base
The blade 12 extended on plate 11, the substrate 11 surrounds light guide with the integrated molding of blade 12, and light guide further surrounds
One similar to columned confined space.The confined space, which can be, is completely closed space, also can according to need and is arranged to have
The semi-enclosed space of one opening.The number of the blade 12 is four, and the blade 12 is vertically arranged with substrate 11.Substrate 11
It can be transparent or milky white PC material with the material of blade 12.The part that is integrally formed of LED light guide 1 further can be one
Body injection molding can be used injection molding machine and carry out injection operation.From the similar columned closed of the LED light guide 1 of the present embodiment
It is looked down at the top of space, the LED light guide 1 including four blades shows " ten " font.
Referring to figure 5., Fig. 6 and Fig. 7, the embodiment of the present invention four are as follows:
The LED bulb of the present embodiment, including LED light source 2, light source board 3, lamp cap 4 and LED light guide 1, LED light guide are used
Light distribution is carried out in the light issued to LED light source, LED light guide 1 includes substrate 11 and the blade 12 extended from substrate 11, institute
Stating blade 12 includes that two sides and a light-emitting surface, the light-emitting surface are set between described two sides, the light-emitting surface
For expanding the distribution angle of the light of LED light source sending.Blade 12 is plate structure, is directed away from the middle part of the light-emitting surface
The direction of LED light source protrudes out to form globoidal structure.The substrate 11 surrounds light guide, and light guide with the integrated molding of blade 12
One is surrounded similar to columned closed accommodating space, which is arranged to have one because of the needs that cooperate with lamp cap
The semi-enclosed space of opening, and it is adapted to connection with lamp cap 4 in opening, the specific connection type that is adapted to can use existing skill
The modes such as threaded connection carry out in art, as long as can connect LED light guide 1 with lamp cap 4.At this point, LED light guide 1 is
The bulb shell of LED bulb.The part that is integrally formed of LED light guide 1 further can be integrated injection molding, and note can be used
Molding machine carries out injection operation.The LED light source 2 is set in the accommodating space, and the blade 12 is arranged far from LED light source 2.
The blade 12 is arranged along the light direction of LED light source 2.The LED light source 2 is set on light source board 3, and the light source board 3 is
Flexible board.Flexible board can be made of insulating substrate flexible, and substrate 11 and blade 12 can be as transparent or milky white PC material.And
And the light source board 3 folds and forms ring-type, cyclic annular light source board 3 is correspondingly arranged with the cylindrical surface of similar columned confined space,
Blade 12 is then distributed on cylindrical surface.The number of the blade 12 is four, edge respectively between two blades 12 of alternate setting
The axially symmetric distribution of the LED bulb.At this point, being looked down at the top of light bulb, the LED light guide 1 including four blades
Show " ten " font.
In conclusion LED light guide provided by the invention can farthest improve light-emitting area, brightness is reduced, from
And effectively avoid the appearance of glare problem；LED light guide is particularly suitable in LED bulb, can be with replacement bulb shell.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (9)
1. a kind of LED light guide, the light for issuing to LED light source carries out light distribution, which is characterized in that including substrate and from base
The blade extended on plate, the substrate and blade form light guide；
The substrate is the hollow housing structure equipped with accommodating space, and the accommodating space is for accommodating LED light source, the blade
Positioned in the substrate side wall or top；
The blade is hollow structure, and the blade of hollow structure is connected to the accommodating space of substrate.
2. LED light guide according to claim 1, which is characterized in that the substrate and blade are integrally formed part.
3. LED light guide according to claim 1, which is characterized in that the number of the blade is two or more.
4. LED light guide according to claim 1, which is characterized in that the blade is vertically arranged with substrate.
5. LED light guide according to claim 1, which is characterized in that the blade includes that two sides and one go out light
Face, the light-emitting surface are set between described two sides, and the light-emitting surface is used to expand the distribution of the light of LED light source sending
Angle.
6. LED light guide according to claim 5, which is characterized in that the blade is plate structure, the light-emitting surface court
It protrudes out to form globoidal structure to the direction far from LED light source.
7. a kind of LED bulb, including LED light source, which is characterized in that further include that LED as claimed in any one of claims 1 to 6 is led
Body of light is provided with the LED light guide at least one light direction of the LED light source, and the blade is far from the LED light
Source setting.
8. LED bulb according to claim 7, which is characterized in that further include light source board, the LED light source is set to light
On source plate, the light source board is flexible board.
9. LED bulb according to claim 8, which is characterized in that the light source board folds to form ring-type, the LED light
Circumferential direction setting of the source along cricoid light source board, circumferential direction setting of the blade along cricoid light source board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217381.8A CN105736981B (en) | 2016-04-08 | 2016-04-08 | A kind of LED light guide and LED bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610217381.8A CN105736981B (en) | 2016-04-08 | 2016-04-08 | A kind of LED light guide and LED bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736981A CN105736981A (en) | 2016-07-06 |
| CN105736981B true CN105736981B (en) | 2019-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610217381.8A Active CN105736981B (en) | 2016-04-08 | 2016-04-08 | A kind of LED light guide and LED bulb |
Country Status (1)
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| CN (1) | CN105736981B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111379978A (en) * | 2018-12-27 | 2020-07-07 | 漳州市龙文区中豪照明科技有限公司 | Illumination lamp with rotation function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004063574A1 (en) * | 2004-12-30 | 2006-07-13 | Osram Opto Semiconductors Gmbh | Lighting device with multiple semiconductor light sources |
| JP2007194132A (en) * | 2006-01-20 | 2007-08-02 | Fujifilm Holdings Corp | Lighting device |
| KR101367873B1 (en) * | 2010-05-26 | 2014-02-27 | 가부시끼가이샤 에스.케이.지 | Lighting device |
| CN202532230U (en) * | 2012-02-17 | 2012-11-14 | 深圳安嵘光电产品有限公司 | Light guide lamp tube |
| CN104456427B (en) * | 2014-12-11 | 2018-03-02 | 欧普照明股份有限公司 | A kind of optical element and lighting device |
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2016
- 2016-04-08 CN CN201610217381.8A patent/CN105736981B/en active Active
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| Publication number | Publication date |
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| CN105736981A (en) | 2016-07-06 |
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