CN104534404B - A kind of optical lens and LED lamp for LED lamp - Google Patents
A kind of optical lens and LED lamp for LED lamp Download PDFInfo
- Publication number
- CN104534404B CN104534404B CN201410838142.5A CN201410838142A CN104534404B CN 104534404 B CN104534404 B CN 104534404B CN 201410838142 A CN201410838142 A CN 201410838142A CN 104534404 B CN104534404 B CN 104534404B
- Authority
- CN
- China
- Prior art keywords
- optical lens
- led lamp
- light
- guide section
- light guide
- 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.)
- Active
Links
Classifications
-
- 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
- F21V5/04—Refractors for light sources of lens shape
- F21V5/046—Refractors for light sources of lens shape the lens having a rotationally symmetrical shape about an axis for transmitting light in a direction mainly perpendicular to this axis, e.g. ring or annular lens with light source disposed inside the ring
-
- 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
- F21V5/04—Refractors for light sources of lens shape
- F21V5/048—Refractors for light sources of lens shape the lens being a simple lens adapted to cooperate with a point-like source for emitting mainly in one direction and having an axis coincident with the main light transmission direction, e.g. convergent or divergent lenses, plano-concave or plano-convex lenses
-
- 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
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/61—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using light guides
-
- 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
- F21Y2101/00—Point-like 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
-
- 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
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
- F21Y2105/12—Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the geometrical disposition of the light-generating elements, e.g. arranging light-generating elements in differing patterns or densities
Abstract
The invention discloses a kind of optical lenses and LED lamp for LED lamp, optical lens includes light guide section, illumination region, the light guide section has the cavity for accommodating plurality of LEDs lamp bead, the light guide section has opposite first surface and second surface, the first surface and second surface are conducted for that can will be contained in the light total internal reflection that the in vivo LED lamp bead of the chamber sends to the fully reflecting surface of the illumination region, and the illumination region has exit facet and sends the light that the light guide section conducts；Compared with traditional optical lens, the light that the light guide section of optical lens provided by the invention sends LED lamp bead is conducted to illumination region, meet different optical requirements by changing the height of light guide section and the curved-surface structure of illumination region, it is simple in structure, packaging technology requirement is low, the defects of it is to meet optical demands to largely overcome traditional optical lens, and the required precision of assembling is high, has practical significance.
Description
Technical field
The present invention relates to optical field more particularly to a kind of optical lenses and LED lamp for LED lamp.
Background technology
LED has long lifespan, environmental protection and the superior characteristic such as energy saving, at present, has been obtained greatly as lighting source using LED
The popularization and application of power.But since the characteristics of single LED Lambertian itself shines, can not meet actual illumination to lamp distribution point
The demand of cloth is, it is necessary to use plurality of LEDs lens to carry out that after secondary optics processing requirement could be met.LED light at present
Lens used in tool are to carry out secondary light-distribution design based on single LED mostly, and the greatest drawback of such method exists
In：The light emitting angle of LED lamp is small (being less than 150 degree), it is impossible to it is compared with the wide light distribution angle of traditional incandescent lamp and energy-saving lamp,
Can not meet to the needs of actual use.
Therefore, those skilled in the art is directed to developing a kind of new for LED lamp wide-angle light distribution requirements
Optical lens and LED lamp.
The content of the invention
In view of the drawbacks described above of the prior art, the technical problems to be solved by the invention are to provide a kind of for LED light
The secondary optical lens and LED lamp of the wide-angle light distribution of tool are carried out at optics all LED using an optical lens
Reason, and the light emitting angle of LED lamp is significantly increased, to meet actual demand.
To achieve the above object, the present invention provides a kind of optical lens for LED lamp, including light guide section, shine
Portion, the light guide section have the cavity for accommodating plurality of LEDs lamp bead, and the light guide section has opposite first surface and the second table
Face, the first surface and second surface conduct for that can will be contained in the light total internal reflection that the in vivo LED lamp bead of the chamber sends
To the fully reflecting surface of the illumination region, the illumination region has exit facet and sends the light that the light guide section conducts.The light
Lens are solid lens.
The light guide section and the illumination region are integrated composition.
Further, the surface of the cavity is the concave curved surface of spherical structure..
Further, the first surface of the light guide section and second surface form the tubular structure of uniform wall thickness.
Further, the first surface of the tubular structure and second surface are coaxial surface of revolution.
Further, the illumination region has the madial wall opposite with exit facet, and the madial wall is the song of continuously smooth
Face.
Further, the surface roughness of the madial wall is less than 0.06 micron.
Further, the curvature of curved surface of the madial wall is distributed between 0.0267 and 0.0517.
Further, the illumination region also has the 3rd opposite surface, the 4th surface, the 3rd surface and described the
Four surfaces are arranged in parallel, and have between the 3rd surface and the light guide section less than or equal to 90 degree of the first angle, it is described go out
The second angle having less than 90 degree is penetrated between face and the 3rd surface
Further, the surfaces of revolution that the exit facet is and the first surface of the light guide section is coaxial.
Further, the material of the optical lens is optical-grade plastic PC or PMMA.
Further, all surface of the optical lens is bright glassy surface.
Further, the surface roughness Ra value of all surface of the optical lens is respectively less than 0.06 micron.
The present invention also provides a kind of LED lamps, including plurality of LEDs lamp bead and above-mentioned optical lens, the LED lamp bead
It is fixed on lamp plate, LED lamp bead is provided in the cavity in the optical lens light guiding portion, be arranged at the optical lens light guiding portion
The light that sends of the in vivo LED lamp bead of chamber conducted by the light guide section of the optical lens to the illumination region of the optical lens,
And the illumination region through the optical lens is sent.
Further, exist between the in vivo LED lamp bead of chamber in the optical lens light guiding portion and the surface of the cavity
Gap.
Further, the in vivo LED lamp bead of chamber in the optical lens light guiding portion is located at the in vivo middle position of the chamber.
Further, the in vivo LED lamp bead of chamber in the optical lens light guiding portion is a circle or multi-turn.
Further, the in vivo LED lamp bead of chamber in the optical lens light guiding portion is circumferentially uniformly distributed.
Further, the largest circumference radius size of the chamber in the optical lens light guiding portion in vivo LED lamp bead arrangement with
The light guide section of the optical lens it is highly consistent.
Further, it is also equipped with LED lamp bead in the tubular structure in the optical lens light guiding portion.
Further, the LED lamp bead being arranged in the tubular structure in the optical lens light guiding portion is uniform circular
Arrangement.
Provided by the present invention for the optical lens and LED lamp of LED lamp, plurality of LEDs lamp bead can be handled simultaneously
It is the defects of light, the light that a LED lamp bead can only be sent by overcoming traditional optical lens is handled, easy to use, have very
High Practical significance；The light guide section of optical lens uses the structure of surface of revolution, and the light that LED lamp bead is sent is conducted to optical lens
The illumination region at vertex end, then shone by illumination region by the light emitting angle of setting, compared with traditional optical lens, the present invention provides
Optical lens meet different optical requirements by changing the height of light guide section curved surface and the curved-surface structure of top luminous zone, most
Big light emitting angle can reach 300 degree, and striking contrast is formd less than 150 degree with the light emitting angle of traditional optical lens.
Optical lens is meets optical demands in the prior art, and the required precision of assembling is high, and installation is complicated, with the prior art
It compares, LED lamp structure provided by the invention is simple, and packaging technology requirement is low, and light emitting angle can meet practical application completely
Demand.
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Description of the drawings
Fig. 1 is the structure diagram of the LED lamp of the preferred embodiment of the present invention；
Fig. 2 is the schematic diagram under the LED lamp heeling condition in Fig. 1；
Fig. 3 is the structure diagram of the lamp plate of the LED lamp of the preferred embodiment of the present invention；
Fig. 4 is the top view of the LED lamp of the preferred embodiment of the present invention；
Fig. 5 is the sectional view of the LED lamp of the preferred embodiment of the present invention；
Fig. 6 is the principle of luminosity schematic diagram of the LED lamp of the preferred embodiment of the present invention.
Fig. 7 is the schematic diagram of the illumination region madial wall of the LED lamp of the preferred embodiment of the present invention.
In attached drawing, 10 represent lamp plate, and 20 represent optical lens, and 30 represent LED lamp bead, and 40 represent the leaded light of optical lens
Portion, 41 represent the first surface of light guide section, and 42 represent the second surface of light guide section, and 50 represent the illumination region of optical lens, 53 tables
Show the 3rd surface of illumination region, 54 represent the 4th surface of illumination region, and 55 represent the exit facet of illumination region, and 56 represent illumination region
Madial wall, 60 represent the surface of the cavity of the light guide section of optical lens, and α represents the angle between exit facet and the 3rd surface, β tables
Show the angle between the 3rd surface and light guide section, h represents the height of light guide section.
Specific embodiment
Figures 1 and 2 show that the structure diagram of the LED lamp of a preferred embodiment of the present invention, Fig. 3 is the knot of lamp plate
Structure schematic diagram, Fig. 4 are the top view of LED lamp.Fig. 5 gives the sectional view of LED lamp.
A kind of LED lamp is present embodiments provided, including LED lamp bead 30 and optical lens 20, LED lamp bead 30 is fixed on lamp
On plate 10, and there is plurality of LEDs lamp bead to be arranged in the accommodating chamber of optical lens 20, wherein optical lens 20 includes light guide section
40th, illumination region 50, light guide section 40 have a cavity for accommodating plurality of LEDs lamp bead, and light guide section has opposite first surface 41 and the
Two surfaces 42, first surface 41 and second surface 42 can will be contained in the light total internal reflection that the in vivo LED lamp bead of chamber sends and conduct
To illumination region 50, illumination region 50 has exit facet 55 and sends the light that light guide section conducts.
Fig. 6 is the principle of luminosity schematic diagram of the LED lamp of the preferred embodiment of the present invention, and light guide section 40, which has, to be accommodated
The cavity of plurality of LEDs lamp bead, light guide section have opposite first surface 41 and second surface 42, first surface 41 and second surface
42 conduct for that can will be contained in the light total internal reflection that the in vivo LED lamp bead of the chamber sends to the fully reflecting surface of illumination region, shine
Portion has exit facet and sends the light that the light guide section conducts.
The housing surface 60 of light guide section 40 is the concave curved surface of spherical structure.The in vivo LED light of chamber in optical lens light guiding portion
Pearl middle position within the cavity, and there are gaps between the surface 60 of cavity.One in the present invention is preferably implemented
In example, the in vivo LED lamp bead of chamber is circumferentially uniformly distributed.
Light guide section 40 is the tubular structure of uniform wall thickness.First surface 41 and second surface 42 are coaxial surface of revolution.
The height of the light guide section of optical lens and the radius of a circle size phase of the in vivo LED lamp bead arrangement of chamber in optical lens light guiding portion
When.
Illumination region has opposite the 3rd surface 53, the 4th surface 54 and the madial wall 56 opposite with exit facet 55, the
Three surfaces 53 and the 4th surface 54 are arranged in parallel, and have the first angle β less than 90 degree between the 3rd surface 53 and light guide section 40,
There is the second angle α less than 90 degree between 55 and the 3rd surface 53 of exit facet.Madial wall 56 be continuously smooth curved surface, surface
Roughness is less than 0.06 micron, and curvature of curved surface is distributed between 0.0267 and 0.0517.
Fig. 7 shows the illumination region madial wall of the LED lamp of the present embodiment.In figure, the curvature of ABCDE5 points is respectively
0.0272,0.0370,0.0482,0.0517,0.0267。
As shown in Figure 3 and Figure 4, LED lamp bead has been may also set up in the tubular structure in optical lens light guiding portion.
LED lamp provided by the invention, the light that LED lamp bead is sent are inputted by the surface transmission of the cavity of optical lens,
It shines by the illumination region of intermediate light guide section total reflection conduction to top, then by illumination region by the design requirement of light emitting angle.
Plurality of LEDs lamp bead is distributed in the optical lens light guiding portion in vivo middle position of chamber by even circumferential, with traditional light
It learns lens to compare, the present invention has handled the light that whole LED lamp beads are sent using an optical lens.
Optical lens light guiding portion uses the structure of surface of revolution, and the light that LED lamp bead is sent is conducted to optical lens top
Illumination region, then shone by illumination region by the requirement of setting, compared with traditional optical lens, optical lens provided by the invention
Light guide section light that LED lamp bead is sent conduct to illumination region, by changing the height of light guide section and the curved-surface structure of illumination region
Meet different optical requirements, maximum light emitting angle can reach 300 °, and the light emitting angle of traditional optical lens is less than 150 °.
Lens provided by the invention carry out globality light distribution to plurality of LEDs, and lens sizes are bigger, the propagation path of light
It is distant；The optical-grade plastic for further selecting light transmittance high or the PMMA material injections shaping of high transparency, can be effective
The optical efficiency of secondary lens is improved, reduces light losing, empirical tests, the efficiency of lens can reach more than 85%.
LED lamp structure provided by the invention is simple, and packaging technology requirement is low, and it is saturating to largely overcome traditional LED light
Mirror can not carry out multiple LED the optical demands and the exigent defect of assembly precision of whole wide-angle light distribution, have larger
Actual application value.
The preferred embodiment of the present invention described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made work, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be in the protection domain being defined in the patent claims.
Claims (15)
1. a kind of optical lens for LED lamp, which is characterized in that including light guide section, illumination region, the light guide section, which has, to be held
Receive the cavity of plurality of LEDs lamp bead, the light guide section has opposite first surface and second surface, the first surface and second
Conduct for light that the in vivo LED lamp bead of the chamber sends can will be contained in through multiple total internal reflection complete to the illumination region in surface
Reflecting surface, the illumination region have exit facet and send the light that the light guide section conducts；
The illumination region also has the 3rd opposite surface, the 4th surface, and the 3rd surface is parallel with the 4th surface to be set
It puts, there is the first angle less than 90 degree, the exit facet and the 3rd table between the 3rd surface and the light guide section
There is the second angle less than 90 degree between face；
The maximum light emitting angle of the optical lens can reach 300 degree.
2. the optical lens of LED lamp to be used for as described in claim 1, which is characterized in that the surface of the cavity is spherical surface
The concave curved surface of structure.
3. the optical lens of LED lamp to be used for as described in claim 1, which is characterized in that described the first of the light guide section
Surface and second surface form the tubular structure of uniform wall thickness.
4. the optical lens of LED lamp to be used for as claimed in claim 3, which is characterized in that the first surface and the second table
Face is coaxial surface of revolution.
5. the optical lens of LED lamp to be used for as described in claim 1, which is characterized in that the illumination region has and is emitted
The opposite madial wall in face, the madial wall are the curved surface of continuously smooth.
6. the optical lens of LED lamp to be used for as claimed in claim 5, which is characterized in that the coarse Ra values of the madial wall
Less than 0.06 micron.
7. the optical lens of LED lamp to be used for as claimed in claim 6, which is characterized in that the curvature of curved surface of the madial wall
It is distributed between 0.0267 and 0.0517.
8. the optical lens of LED lamp to be used for as described in claim 1, which is characterized in that the material of the optical lens is
Optical-grade plastic PC or PMMA.
9. the optical lens of LED lamp to be used for as described in claim 1, which is characterized in that all tables of the optical lens
Face is bright glassy surface.
10. the optical lens of LED lamp to be used for as described in claim 1, which is characterized in that all tables of the optical lens
The surface roughness Ra value in face is respectively less than 0.06 micron.
11. a kind of LED lamp, which is characterized in that including plurality of LEDs lamp bead and such as claim 1~10 any one of them light
Lens are learned, the LED lamp bead is fixed on lamp plate, is provided with LED lamp bead in the cavity in the optical lens light guiding portion, is arranged at
The light that the in vivo LED lamp bead of chamber in the optical lens light guiding portion is sent is conducted by the light guide section of the optical lens to described
The illumination region of optical lens, and the illumination region through the optical lens is sent.
12. LED lamp as claimed in claim 11, which is characterized in that the in vivo LED light of chamber in the optical lens light guiding portion
There are gaps between the surface of pearl and the cavity.
13. LED lamp as claimed in claim 11, which is characterized in that the in vivo LED light of chamber in the optical lens light guiding portion
Pearl is circumferentially uniformly distributed.
14. LED lamp as claimed in claim 13, which is characterized in that the in vivo LED light of chamber in the optical lens light guiding portion
The largest circumference radius size of pearl arrangement is highly consistent with the light guide section of the optical lens.
15. LED lamp as claimed in claim 11, which is characterized in that in the tubular structure in the optical lens light guiding portion
It is provided with LED lamp bead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410838142.5A CN104534404B (en) | 2014-09-30 | 2014-12-25 | A kind of optical lens and LED lamp for LED lamp |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014105203750 | 2014-09-30 | ||
| CN201410520375.0A CN104315455A (en) | 2014-09-30 | 2014-09-30 | Optical lens used for LED (light-emitting diode) lamp and LED lamp |
| CN201410838142.5A CN104534404B (en) | 2014-09-30 | 2014-12-25 | A kind of optical lens and LED lamp for LED lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104534404A CN104534404A (en) | 2015-04-22 |
| CN104534404B true CN104534404B (en) | 2018-05-18 |
Family
ID=52370728
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410520375.0A Pending CN104315455A (en) | 2014-09-30 | 2014-09-30 | Optical lens used for LED (light-emitting diode) lamp and LED lamp |
| CN201410838142.5A Active CN104534404B (en) | 2014-09-30 | 2014-12-25 | A kind of optical lens and LED lamp for LED lamp |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410520375.0A Pending CN104315455A (en) | 2014-09-30 | 2014-09-30 | Optical lens used for LED (light-emitting diode) lamp and LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN104315455A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219654A (en) * | 2020-02-28 | 2020-06-02 | 江西祥华防爆科技有限公司 | Full-period-luminosity LED lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201319078Y (en) * | 2008-11-25 | 2009-09-30 | 建汉科技股份有限公司 | Light guiding column with halation effect |
| CN102378928A (en) * | 2009-04-02 | 2012-03-14 | 皇家飞利浦电子股份有限公司 | Light emitting device and luminaire |
| 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 |
| CN203533422U (en) * | 2013-11-22 | 2014-04-09 | 成都派斯光学有限公司 | LED (light emitting diode) candle lamp lens |
| CN104033845A (en) * | 2014-06-18 | 2014-09-10 | 立达信绿色照明股份有限公司 | Light guide column and lamp |
| CN204328881U (en) * | 2014-09-30 | 2015-05-13 | 上海南华机电有限公司 | A kind of optical lens for LED lamp and LED lamp |
-
2014
- 2014-09-30 CN CN201410520375.0A patent/CN104315455A/en active Pending
- 2014-12-25 CN CN201410838142.5A patent/CN104534404B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201319078Y (en) * | 2008-11-25 | 2009-09-30 | 建汉科技股份有限公司 | Light guiding column with halation effect |
| CN102378928A (en) * | 2009-04-02 | 2012-03-14 | 皇家飞利浦电子股份有限公司 | Light emitting device and luminaire |
| 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 |
| CN203533422U (en) * | 2013-11-22 | 2014-04-09 | 成都派斯光学有限公司 | LED (light emitting diode) candle lamp lens |
| CN104033845A (en) * | 2014-06-18 | 2014-09-10 | 立达信绿色照明股份有限公司 | Light guide column and lamp |
| CN204328881U (en) * | 2014-09-30 | 2015-05-13 | 上海南华机电有限公司 | A kind of optical lens for LED lamp and LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104534404A (en) | 2015-04-22 |
| CN104315455A (en) | 2015-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8628220B2 (en) | Light source | |
| CN105339724A (en) | Tubular lighting device | |
| JP2012514844A5 (en) | ||
| CN101936461A (en) | Light source module | |
| WO2017054568A1 (en) | Led spotlight | |
| CN104456420A (en) | Convex lens used for down lamp light distribution | |
| TW201420956A (en) | LED light distributing lens and light source apparatus using the same | |
| CN101922634A (en) | LED (Light Emitting Diode) illumination device | |
| JP2013020716A (en) | Luminous flux control member, and light-emitting device | |
| CN104534404B (en) | A kind of optical lens and LED lamp for LED lamp | |
| CN203240487U (en) | Novel LED total reflection lens | |
| CN102095114B (en) | LED (Light Emitting Diode) lamp tube with ultra-large lighting angle | |
| CN205824922U (en) | Projecting Lamp lens, the light emitting module with these Projecting Lamp lens and Projecting Lamp | |
| CN204986700U (en) | LED spotlight | |
| TW201405069A (en) | Light source module | |
| CN203797406U (en) | Parallel light beam led lamp | |
| CN206130886U (en) | Lamp shade, lamps and lanterns and aircraft | |
| CN102261578A (en) | Omnibearing three-dimensional quantizing light emitting device | |
| CN204328881U (en) | A kind of optical lens for LED lamp and LED lamp | |
| KR101574795B1 (en) | Multiple array light device | |
| CN114440142A (en) | LED optical system for forming special-shaped contour light spots based on micro-lens array | |
| KR101737321B1 (en) | Condensing lighting device | |
| TW201504578A (en) | Light guide element for controlling light beam angle and lamp | |
| CN210568135U (en) | LED light-emitting device for replacing halogen bulb | |
| TWM462330U (en) | Light apparatus with curved surface structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Yang Inventor after: Xiao Fei Inventor after: Zhang Lei Inventor after: Gao Xuyang Inventor before: Xiao Fei Inventor before: Zhang Lei |
|
| CB03 | Change of inventor or designer information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200423 Address after: No.5 504, No.1 Lu Road, Fuqiao Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: NANHUA ELECTROMECHANICAL (TAICANG) Co.,Ltd. Address before: 201802, building 9, 1755 Lane North Road, Shanghai, Jiading District Patentee before: SHANGHAI NANHUA ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right |