CN109519726A - LED light source integrated optical device and luminescent device - Google Patents
LED light source integrated optical device and luminescent device Download PDFInfo
- Publication number
- CN109519726A CN109519726A CN201910002843.8A CN201910002843A CN109519726A CN 109519726 A CN109519726 A CN 109519726A CN 201910002843 A CN201910002843 A CN 201910002843A CN 109519726 A CN109519726 A CN 109519726A
- Authority
- CN
- China
- Prior art keywords
- light source
- led light
- circular recess
- integrated optical
- optical device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- 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
- F21V5/00—Refractors for light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The present invention provides a kind of LED light source integrated optical device and luminescent devices, are related to technical field of semiconductors.Pass through the LED light source integrated optical device in the embodiment of the present application, light distribution can be carried out to the light that LED light source issues, refraction of the light that light source issues by center light emitting structures and edge light emitting structures, the direction of propagation of light can change, can be bigger from the angle between the central axis of light and LED light source integrated optical device that light-emitting surface is emitted, expand the range of exposures of light source.The LED light source integrated optical device structure is simple, and assembly is easy, can be applicable in various sizes of LED light source, be conducive to micromation and the ultrathin of lamps and lanterns.
Description
Technical field
The present invention relates to technical field of semiconductors, in particular to a kind of LED light source integrated optical device and photophore
Part.
Background technique
In modern illumination application, Light-emitting diode LED light source has a systems such as energy saving, efficient, stability is good because of it
Column advantage gradually replaces conventional light source, however general LED light source, which goes out light all, to be distributed in Lambertian, and about 120 degree of beam angle, very
Application demand is not able to satisfy when more, thus need to LED light source carry out light distribution, be all in the industry at present by add reflector or thoroughly
The optical devices such as mirror control LED light guide, to reach lighting requirement, this light-configuration mode optical device needs are accounted for
To very large space, and very big investment is required in optical device cost and assembly cost, be unfavorable for lamps and lanterns micromation,
The development of ultrathin and the reduction of cost.
Summary of the invention
In view of this, may be implemented the present invention provides a kind of LED light source integrated optical device and luminescent device to light source
Better light distribution.
Technical solution provided by the invention is as follows:
A kind of LED light source integrated optical device, it is described including device bottom surface and the light-emitting surface opposite with described device bottom surface
Light-emitting surface is provided with center light emitting structures and edge light emitting structures, in which:
The center light emitting structures include the circular recess being recessed to described device bottom surface, the inner wall of the circular recess from
The arcwall face that the central point of the circular recess extends to the circular recess edge, the arc is towards described device bottom surface
Direction bending；
The edge light emitting structures include the multiple sawtooth strip structures being circumferentially arranged along the circular recess；
The sawtooth strip structure extends from the edge of the circular recess to the edge of the light-emitting surface, the Saw blade
First distance between one end that shape structure is contacted with the circular recess and described device bottom surface is less than the sawtooth strip knot
Second distance between the structure other end and described device bottom surface.
Further, which is projected as circle in plane where described device bottom surface.
Further, which is in the form of a column.
Further, the sawtooth strip structure includes side and top surface, and the top surface is arcwall face, and the side is column
Face.
Further, joint face, the company are additionally provided between the center light emitting structures and the sawtooth strip structure
Junction extends from one end of the top surface to the edge of the circular recess.
Further, the distance between the center of circle concave edges and described device bottom surface are greater than the first distance.
It further, is funnel-form by the cross section of the bottom centre of the circular recess.
Further, described device bottom surface is provided with the connection structure for being connected with LED light source.
The present invention also provides a kind of luminescent device, including LED light source and LED light source integrated optical device, the LED lights
Source integrated optical device includes device bottom surface and the light-emitting surface opposite with described device bottom surface, and the light-emitting surface is provided with center and goes out
Photo structure and edge light emitting structures, in which:
LED light source setting in described device bottom surface so that the light of the LED light source by described device bottom surface into
Enter the LED light source integrated optical device；
The center light emitting structures include the circular recess being recessed to described device bottom surface, the inner wall of the circular recess from
The arcwall face that the central point of the circular recess extends to the circular recess edge, the arc is towards described device bottom surface
Direction bending；
The edge light emitting structures include the multiple sawtooth strip structures being circumferentially arranged along the circular recess；
The sawtooth strip structure extends from the edge of the circular recess to the edge of the light-emitting surface, the Saw blade
First distance between one end that shape structure is contacted with the circular recess and described device bottom surface is less than the sawtooth strip knot
Second distance between the structure other end and described device bottom surface.
Further, the sawtooth strip structure includes side and top surface, and the top surface is arcwall face, and the side is flat
Face.
By the LED light source integrated optical device in the embodiment of the present application, the light that can be issued to LED light source is matched
Light, refraction of the light that light source issues by center light emitting structures and edge light emitting structures, the direction of propagation of light can change
Become, can be bigger from the angle between the central axis of light and LED light source integrated optical device that light-emitting surface is emitted, expand light source
Range of exposures.The LED light source integrated optical device structure is simple, and assembly is easy, can be applicable in various sizes of LED light source, have
Micromation and ultrathin conducive to lamps and lanterns.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of schematic diagram of LED light source integrated optical device provided in an embodiment of the present invention.
Fig. 2 is a kind of another schematic diagram of LED light source integrated optical device provided in an embodiment of the present invention.
Fig. 3 is a kind of another schematic diagram of LED light source integrated optical device provided in an embodiment of the present invention.
Fig. 4 is a kind of another schematic diagram of LED light source integrated optical device provided in an embodiment of the present invention.
Fig. 5 is the enlarged diagram of the part I in Fig. 4.
Fig. 6 is the propagation schematic diagram of light in a kind of LED light source integrated optical device provided in an embodiment of the present invention.
Icon: 10-LED light source integrated optical device；101- device bottom surface；102- light-emitting surface；121- circular recess；122-
Sawtooth strip structure；The top surface 123-；The side 124-.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
The embodiment of the present application provides a kind of LED light source integrated optical device 10, as shown in Figures 1 to 4, including device bottom
Face 101 and the light-emitting surface 102 opposite with described device bottom surface 101.The LED light source integrated optical device 10 can be with a LED
Light source cooperation, changes the direction of propagation for the light that LED light source issues, and the light for issuing LED light source has bigger beam angle.
As shown in Fig. 2, the light-emitting surface 102 is provided with center light emitting structures and edge light emitting structures, the center goes out light
Structure includes the circular recess 121 being recessed to described device bottom surface 101, and the inner wall of the circular recess 121 is recessed from the circle
Fall into the arcwall face that 121 central point extends to 121 edge of circular recess.
Circular recess 121 in the embodiment of the present application is conical socket, is taper by the cross section on its vertex, taper is recessed
The inner wall of slot is arcwall face, and the direction of arc facing device bottom surface 101 is bent.Pass through the bottom centre of the circular recess 121
Section be funnel-form.
The edge light emitting structures include the multiple sawtooth strip structures 122 being circumferentially arranged along the circular recess 121.Institute
It states sawtooth strip structure 122 to extend from the edge of the circular recess 121 to the edge of the light-emitting surface 102, the Saw blade
First distance between shape structure 122 and described one end contacted of circular recess 121 and described device bottom surface 101 is less than described
Second distance between 122 other end of sawtooth strip structure and described device bottom surface 101.
10 entirety of LED light source integrated optical device in the embodiment of the present application can be cylindrical for one, each sawtooth strip
Structure 122 is the strip that the side 124 from the edge of circular recess 121 to cylinder extends, the shape of multiple sawtooth strip structures 122
Shape can be identical, and multiple sawtooth strip structures 122 form striated arrays, and light is on the surface of sawtooth strip structure 122
It can reflect, to change original direction of propagation.
As shown in figure 5, the section of sawtooth strip structure 122 is approximately triangle, side 124 can be plane, in order to
Realize the good refraction to light, top surface 123 can be cambered surface.Meanwhile the sawtooth strip structure in the embodiment of the present application
122 with circular recess 121 before be additionally provided with one section and connect cambered surface, joint face from the top surface of sawtooth strip structure 122 123 one
It holds to the edge of the circular recess 121 and extends.
As shown in fig. 6, LED light source integrated optical device 10 when cooperating with LED light source, LED light source can be fixed on
The center of device bottom surface 101, the light perpendicular to device bottom surface 101 that LED light source issues is in LED light source integrated optical device 10
Internal communication will be reflected when propagating to the surface of light-emitting surface 102.The part light of the inner wall of directive circular recess 121
Line can be totally reflected at the inner wall of circular recess 121, and the light after total reflection can be emitted from the part of joint face.From even
There is certain angle, and this some light between the light of junction outgoing and the central axis of LED light source integrated optical device 10
Direction when being emitted from LED light source is parallel with the central axis of LED light source integrated optical device 10.Therefore, perpendicular to dress
Bottom set face 101 and be incident to circular recess 121 this some light the direction of propagation compared to its from light source issue direction, tool
There is bigger coverage area.Similarly, it is incident to some light of sawtooth strip structure 122, it also can be in sawtooth strip structure 122
Surface at reflect, the direction of propagation also can to far from 10 central axis of LED light source integrated optical device direction deviate.Such as
This, is modulated the light of light source using the LED light source integrated optical device 10, the light of light source can be made to have bigger
Coverage area.
In another embodiment, described device bottom surface 101 is provided with the connection knot for being connected with LED light source
Structure.The connection structure can be the fixation device of buckle or other forms, can be by LED light source integrated optical device 10 and LED
Light source fixation is integrally formed, and relative positional relationship between the two is made not change.
By the LED light source integrated optical device 10 in the embodiment of the present application, the light that LED light source issues can be carried out
Secondary light-distribution, refraction of the light that light source issues by center light emitting structures and edge light emitting structures, the direction of propagation meeting of light
It changes, it can be more from the angle between the central axis of light and LED light source integrated optical device 10 that light-emitting surface 102 is emitted
Greatly, expand the range of exposures of light source.10 structure of LED light source integrated optical device is simple, and assembly is easy, can be applicable in different rulers
Very little LED light source is conducive to micromation and the ultrathin of lamps and lanterns.
The present invention also provides a kind of luminescent device, including LED light source and LED light source integrated optical device 10, the LED
Light source integrated optical device 10 includes device bottom surface 101 and the light-emitting surface 102 opposite with described device bottom surface 101, the light out
Face 102 is provided with center light emitting structures and edge light emitting structures, in which:
The LED light source setting is in described device bottom surface 101, so that the light of the LED light source passes through described device bottom
Face 101 enters the LED light source integrated optical device 10；
The center light emitting structures include the circular recess 121 being recessed to described device bottom surface 101, the circular recess
The arcwall face that 121 inner wall extends from the central point of the circular recess 121 to 121 edge of circular recess, the arc
Direction bending towards described device bottom surface 101；
The edge light emitting structures include the multiple sawtooth strip structures 122 being circumferentially arranged along the circular recess 121；
The sawtooth strip structure 122 extends from the edge of the circular recess 121 to the edge of the light-emitting surface 102,
Between the sawtooth strip structure 122 and described one end contacted of circular recess 121 and described device bottom surface 101 first away from
From less than the second distance between 122 other end of sawtooth strip structure and described device bottom surface 101.
Further, the sawtooth strip structure 122 includes side 124 and top surface 123, and the top surface 123 is arcwall face,
The side 124 is plane.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of LED light source integrated optical device, which is characterized in that including device bottom surface and it is opposite with described device bottom surface go out
Smooth surface, the light-emitting surface are provided with center light emitting structures and edge light emitting structures, in which:
The center light emitting structures include the circular recess being recessed to described device bottom surface, and the inner wall of the circular recess is from described
The arcwall face that the central point of circular recess extends to the circular recess edge, direction of the arc towards described device bottom surface
Bending；
The edge light emitting structures include the multiple sawtooth strip structures being circumferentially arranged along the circular recess；
The sawtooth strip structure extends from the edge of the circular recess to the edge of the light-emitting surface, the sawtooth strip knot
It is another to be less than the sawtooth strip structure for first distance between one end that structure is contacted with the circular recess and described device bottom surface
Second distance between one end and described device bottom surface.
2. LED light source integrated optical device according to claim 1, which is characterized in that the LED light source integrated optical device
Circle is projected as in plane where described device bottom surface.
3. LED light source integrated optical device according to claim 1, which is characterized in that the LED light source integrated optical device
It is in the form of a column.
4. LED light source integrated optical device according to claim 1, which is characterized in that the sawtooth strip structure includes
Side and top surface, the top surface are arcwall face, and the side is cylinder.
5. LED light source integrated optical device according to claim 1, which is characterized in that the center light emitting structures and institute
It states and is additionally provided with joint face between sawtooth strip structure, the joint face is from one end of the top surface to the side of the circular recess
Edge extends.
6. LED light source integrated optical device according to claim 1, which is characterized in that
The distance between the center of circle concave edges and described device bottom surface are greater than the first distance.
7. LED light source integrated optical device according to claim 1, which is characterized in that pass through the bottom of the circular recess
The cross section at portion center is funnel-form.
8. LED light source integrated optical device according to claim 1, which is characterized in that the setting of described device bottom surface is useful
In the connection structure being connected with LED light source.
9. a kind of luminescent device, which is characterized in that including LED light source and LED light source integrated optical device, the LED light source collection
It include device bottom surface and the light-emitting surface opposite with described device bottom surface at Optical devices, the light-emitting surface is provided with center and goes out light knot
Structure and edge light emitting structures, in which:
The LED light source is arranged in described device bottom surface, so that the light of the LED light source enters institute by described device bottom surface
State LED light source integrated optical device；
The center light emitting structures include the circular recess being recessed to described device bottom surface, and the inner wall of the circular recess is from described
The arcwall face that the central point of circular recess extends to the circular recess edge, direction of the arc towards described device bottom surface
Bending；
The edge light emitting structures include the multiple sawtooth strip structures being circumferentially arranged along the circular recess；
The sawtooth strip structure extends from the edge of the circular recess to the edge of the light-emitting surface, the sawtooth strip knot
It is another to be less than the sawtooth strip structure for first distance between one end that structure is contacted with the circular recess and described device bottom surface
Second distance between one end and described device bottom surface.
10. luminescent device according to claim 9, which is characterized in that the sawtooth strip structure includes side and top surface,
The top surface is arcwall face, and the side is plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002843.8A CN109519726A (en) | 2019-01-02 | 2019-01-02 | LED light source integrated optical device and luminescent device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910002843.8A CN109519726A (en) | 2019-01-02 | 2019-01-02 | LED light source integrated optical device and luminescent device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109519726A true CN109519726A (en) | 2019-03-26 |
Family
ID=65797884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910002843.8A Pending CN109519726A (en) | 2019-01-02 | 2019-01-02 | LED light source integrated optical device and luminescent device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519726A (en) |
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| CN102853288A (en) * | 2011-06-30 | 2013-01-02 | 浚洸光学科技股份有限公司 | Optical element and light-emitting device having the same |
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| CN103591548A (en) * | 2013-11-22 | 2014-02-19 | 成都派斯光学有限公司 | Led candle lamp lens |
| CN204240274U (en) * | 2014-09-15 | 2015-04-01 | 成都欧盛光电科技有限公司 | A kind of novel torch-like explosion type luminous lens |
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| CN204786170U (en) * | 2015-07-24 | 2015-11-18 | 成都森舍智能科技有限公司 | LED ball bubble lamp lens |
| CN105240805A (en) * | 2015-10-12 | 2016-01-13 | 深圳磊迈照明科技有限公司 | LED light distribution lens and LED light-emitting device |
| CN206647977U (en) * | 2016-10-26 | 2017-11-17 | 成都瀚德胜邦光学有限公司 | A kind of light-distribution lens and the candle lamp for including it |
| CN209130537U (en) * | 2019-01-02 | 2019-07-19 | 广东省半导体产业技术研究院 | LED light source integrated optical device and luminescent device |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1600908A2 (en) * | 2004-05-29 | 2005-11-30 | FER Fahrzeugelektrik GmbH | Optical body |
| CN102853288A (en) * | 2011-06-30 | 2013-01-02 | 浚洸光学科技股份有限公司 | Optical element and light-emitting device having the same |
| CN203286473U (en) * | 2013-06-19 | 2013-11-13 | 深圳市众明半导体照明有限公司 | Led lens |
| CN103591548A (en) * | 2013-11-22 | 2014-02-19 | 成都派斯光学有限公司 | Led candle lamp lens |
| CN204240274U (en) * | 2014-09-15 | 2015-04-01 | 成都欧盛光电科技有限公司 | A kind of novel torch-like explosion type luminous lens |
| CN204328880U (en) * | 2014-12-24 | 2015-05-13 | 成都欧盛光电科技有限公司 | A kind of Novel flower flap wide-angle luminous lens |
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| CN204786170U (en) * | 2015-07-24 | 2015-11-18 | 成都森舍智能科技有限公司 | LED ball bubble lamp lens |
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