CN102563428A - Light emitting diode (LED) full light angle bulb - Google Patents
Light emitting diode (LED) full light angle bulb Download PDFInfo
- Publication number
- CN102563428A CN102563428A CN201210015321XA CN201210015321A CN102563428A CN 102563428 A CN102563428 A CN 102563428A CN 201210015321X A CN201210015321X A CN 201210015321XA CN 201210015321 A CN201210015321 A CN 201210015321A CN 102563428 A CN102563428 A CN 102563428A
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- light source
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- reflector
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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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
- F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
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- 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
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
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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
- F21V3/00—Globes; Bowls; Cover glasses
-
- 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
- F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
- F21Y2107/60—Light sources with three-dimensionally disposed light-generating elements on stacked substrates
-
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a light emitting diode (LED) full light angle bulb, which comprises a lamp housing and a light source and a reflecting unit which are arranged in the lamp housing, wherein the light source at least comprises a first light source group, a second light source group and a third light source group; the reflecting unit at least comprises a first reflector and a second reflector; the lamp housing is partitioned into a first area, a second area and a third area by the first reflector and the second reflector; and the first light source group, the second light source group and the third light source group are respectively correspondingly arranged in the first area, the second area and the third area. The heat produced by the light source in the LED full light angle bulb is distributed uniformly, so that the service life of the bulb is prolonged; the design space of a power supply is enlarged, and the power of the bulb can be improved as required; and the contour of the bulb can be made to be as same as that of a classical filament lamp so as to accord with the traditional aesthetic standard.
Description
Technical field
The present invention relates to field of illumination lamp technology, specially refer to the full optic angle bulb of a kind of LED.
Background technology
Along with the fast development of LED technology, the standard of LED illuminating product begins progressively to establish.Especially Energy Star (Energy Star is hereinafter to be referred as the ES) standard of USDOE and Environmental Protection Agency implementation becomes the go into threshold of LED illuminating product at American market gradually.Wherein, ES is for category-A bulb (being the bulb of standard incandescent lamp shape); Except basic photoelectric properties such as luminous flux output, light efficiency require; Also the characteristics of luminescence is had following requirement: light intensity in γ 0-135 ° changes can not surpass 20% of average intensity in this scope, and the luminous flux in γ 135-180 ° can not be lower than 5% of total light flux.LED category-A bulb product in the market has only the only a few can be through the standard of ES, and most important reason is exactly to satisfy the characteristics of luminescence of above-mentioned full optic angle.
Part bulb of the prior art is luminous from both sides as light source with blue-ray LED, is provided with the cell-shell that is mixed with fluorescent material outside it, and this kind bulb utilizes the diffusion property of cell-shell, has realized the uniform light distribution of full angular.But the shortcoming of this scheme is: the cost of fluorescent material is higher, and it is not widely accepted the outward appearance of this kind bulb for yellow, and the side-emitting plate is operation trouble on producing.
Part bulb of the prior art with single integrated or great power LED mix the lens of particular design as light source, the mode of utilizing the lens total reflection or plating reflectance coating realizes full optic angle luminous intensity distribution.The shortcoming of this scheme is the cell-shell that needs the solid angle scope very big, makes this kind bulb not have enough power supply design spaces, and the LED heat is concentrated, is difficult to make the product of higher-wattage.
Summary of the invention
The invention provides the full optic angle bulb of a kind of LED, be intended to even distribution of heat that light source is produced and the design space that increases power supply, can make the high power bulb as required.
The embodiment of the invention provides a kind of LED full optic angle bulb; Comprise lamp housing and be located at light source and the reflector element in the said lamp housing; Said light source comprises first group of light source, second group of light source and the 3rd group of light source at least; Said reflector element comprises first reflector and second reflector at least; Said lamp housing is separated into first district, second district and the 3rd district by said first reflector and second reflector, and said first group of light source, second group of light source and the 3rd group of light source correspondence respectively are located in said first district, second district and the 3rd district.
Preferably, said lamp housing comprises cell-shell and radiator, and said cell-shell and said radiator connect into a sealing chamber, and said cell-shell comprises internal layer cell-shell and outer cell-shell.
Preferably, the material of said internal layer cell-shell and said outer cell-shell is identical, and perhaps the material mist degree of said outer cell-shell is bigger than the material mist degree of said internal layer cell-shell.
Preferably, said light source is some LED illuminators, and the some LED illuminators in said first group of light source, second group of light source and the 3rd group of light source are arranged to circle respectively.
Preferably, said first group of light source comprises N1 LED illuminator, and said second group of light source comprises N2 LED illuminator, and said the 3rd group of light source comprises N3 LED illuminator, and N1: N2: N3 is between 7: 3: 2 and 5: 3: 2.
Preferably, said first group of light source is by the concave reflection of said first reflector, and said second group of light source and said the 3rd group of light source are by the concave reflection of said second reflector.
Preferably, said second group of light source and said the 3rd group of light source are located on the same horizontal plane.
Preferably, the maximum normal distance of said second group of light source or the 3rd group of light source and said outer cell-shell is H1, and the maximum normal distance of said first group of light source and said outer cell-shell is H2, and HI: H2 is between 1: 2 and 5: 6.
Preferably; The radius of said outer cell-shell is R, and the circular radius that said first group of light source forms is R1, and the circular radius that said second group of light source forms is R2; The circular radius that said the 3rd group of light source forms is R3, and R: R1: R2: R3 was at 5: 3: 2: 1 and 12: 8: 5: between 2.
Preferably, said first district is first enclosed area, and said second district and the 3rd district form second enclosed area.
Preferably; Some LED illuminators in said first group of light source are formed series circuit; Some LED illuminators in second group of light source are formed series circuits, and the some LED illuminators in the 3rd group of light source are formed series circuits, and first group of light source, second group of light source and the 3rd group of light source are formed parallel circuit.
Preferably, be provided with installing plate between said light source and the said radiator.
The full optic angle bulb of the disclosed LED of the present invention; Through reflector element is distributed the light that light source sends; Reach and do not shine the shadow surface that 360 degree are realized in the blind area; Light source is divided into first group of light source, second group of light source and the 3rd group of light source, and the heat that makes light source produce is evenly distributed, and prolongs the life-span of the bulb among the present invention; And can rationally arrange the carrying out of light source; Make full use of the space in the cell-shell; Increase the design space of power supply; Then can the power of bulb be done greatly, and can be with the LED among the present invention the appearance profile of full optic angle bulb make identical with the appearance profile of classical incandescent lamp, the traditional aesthetic that meets the consumer is seen.
Description of drawings
Fig. 1 is the cutaway view of the full optic angle bulb of LED of the present invention;
Fig. 2 is the test result sketch map of the full optic angle bulb of LED distribution curve flux in the first embodiment of the invention;
Fig. 3 is the test result sketch map of the full optic angle bulb of LED distribution curve flux in the second embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of LED full optic angle bulb, and with reference to Fig. 1, the full optic angle bulb of this LED comprises lamp housing 1, light source 2 and reflector element 3, and light source 2 and reflector element 3 are arranged on the inside of lamp housing 1.
Lamp housing 1 comprises cell-shell 11 and radiator 12, and cell-shell 11 connects into a sealing chamber with radiator 12, and light source 2 is located in this sealing chamber with reflector element 3.Cell-shell 11 comprises internal layer cell-shell 111 and outer cell-shell 112, and the advantage that two-layer cell-shell 11 is set is: light is through behind the internal layer cell-shell 111, and the refraction through outer cell-shell 112 can realize secondary light-distribution again.
In specific embodiment, internal layer cell-shell 111 is identical with the material of outer cell-shell 112, and the ability of its diffusion mist degree is identical.Certainly in other specific embodiments, in order to adjust desirable luminous intensity distribution, internal layer cell-shell 111 and outer cell-shell 112 can be selected the diffusion material of different mist degrees for use, select high mist degree material for use like outer cell-shell 112, and internal layer cell-shell 111 is selected the low haze material for use.
In specific embodiment; Be provided with installing plate 4 between radiator 12 and the light source 2; Radiator 12 is separately positioned on the upper surface and lower surface of installing plate 4 with light source 2, and promptly heat production device and radiating element are set together, and accelerates radiating rate; Strengthen radiating effect, prolonged the service life of the full optic angle bulb of LED of the present invention.Certainly in other embodiments, direct silk-screen circuit on radiator 12, light source 2 is set directly on the radiator 12.
Light source 2 is some LED illuminators; At least be divided into three groups of light sources; These three groups of light sources are respectively first group of light source 21, second group of light source 22 and the 3rd group of light source 23, and the purpose that light source 2 is divided into first group of light source 21, second group of light source 22 and the 3rd group of light source 23 is the space that makes full use of in the cell-shell 1; Leave the space that light source 2 is practiced thrift for power supply, make the high-power bulb of making become possibility; The full optic angle bulb of LED of relative prior art, the full optic angle bulb of LED of the present invention profile can be accomplished identical with classical incandescent lamp, meets traditional aesthetic and sees; Light source 2 is disperseed to make uniform heat distribution, prolong the service life of the full optic angle bulb of LED of the present invention, and can be made into high-power bulb.
In specific embodiment, first group of light source 21, second group of light source 22 can be identical with the 3rd group of LED illuminator that light source 23 is selected for use, also can be different, can select the LED illuminator of different electricity or optical characteristics as required.
In specific embodiment, first group of light source 21 comprises N1 LED illuminator, and second group of light source 22 comprises N2 LED illuminator, and the 3rd group of light source 23 comprises N3 LED illuminator, and N1: N2: N3 is between 7: 3: 2 and 5: 3: 2.The material of internal layer cell-shell 111 and outer cell-shell 112 selects the quantity of LED illuminator in different or first group of light source 21, second group of light source 22 and the 3rd group of light source 23 than different, and the full optic angle bulb of LED of the present invention distribution curve flux is difference also, specifically can be with reference to Fig. 2 and Fig. 3.
As shown in Figure 2, the material of being selected for use for internal layer cell-shell 111 and outer cell-shell 112 is identical, and N1: N2: N3 is the test result sketch map of 7: 3: the 2 o'clock full optic angle bulb of LED of the present invention distribution curve fluxs.
As shown in Figure 3, select high mist degree material for use for outer cell-shell 112, internal layer cell-shell 111 is selected the low haze material for use, and N1: N2: N3 is the test result sketch map of 5: 3: the 2 o'clock full optic angle bulb of LED of the present invention distribution curve fluxs.
In other specific embodiments, the some LED illuminators in first group of light source 21 are arranged to circle, and the some LED illuminators in second group of light source 22 are arranged to circle; Some LED illuminators in the 3rd group of light source 23 are arranged to circle, conglobate advantage is set is: realize under the situation of shadow surface of 360 degree not shining the blind area, relatively side-emitting plate in the prior art; Produce simple; Cost is low, also further makes uniform heat distribution, makes the high-power bulb of making become possibility.Certainly the arbitrary shape that can be arranged to seal of the some LED illuminators in first group of light source 21, second group of light source 22 and/or the 3rd group of light source 23 as required is like square or ellipse etc.
In specific embodiment; Some LED illuminators in first group of light source 21 are formed series circuits; Some LED illuminators in second group of light source 22 are formed series circuits; Some LED illuminators in the 3rd group of light source 23 are formed series circuits, and first group of light source 21, second group of light source 22 and the 3rd group of light source 23 are formed parallel circuits.Because the circuit of light source 2 is connected to mixed connection, so can realize low voltage starting, safety coefficient is high, can not influence the work of whole light fixture because indivedual LED illuminators damage.Certainly in specific embodiment, the annexation of the LED illuminator in first group of light source 21, second group of light source 22 or the 3rd group of light source 23 is not limited to series connection, and first group of light source 21, second group of light source 22 and the 3rd group of light source 23 also are not limited to the composition parallel circuit.The circuit of the annexation of the LED illuminator in first group of light source 21, second group of light source 22 or the 3rd group of light source 23 and first group of light source 21, second group of light source 22 and the 3rd group of light source 23 is connected and can be designed to other forms with different trace arrangements according to the practical power circuit design scheme.
In other embodiments, second group of light source 22 and the 3rd group of light source 23 are arranged on the same horizontal plane, and first group of light source 21 is arranged on another horizontal plane, light source 2 is arranged to double-deck purpose is: the refraction action that 1, makes full use of outer cell-shell 112; 2,, in the γ 0-180 ° scope luminous intensity distribution is arranged all like Fig. 2 or shown in Figure 3; 3, like Fig. 2 or shown in Figure 3, the luminous intensity distribution of γ 0-135 ° scope is even, wherein light intensity change average intensity 20% in; 4, like Fig. 2 or shown in Figure 3, the luminous flux in the γ 135-180 ° scope accounts for more than 5% of integral light flux.
In specific embodiment, second group of light source 22 or the 3rd group of light source 23 are H1 with the maximum normal distance of outer cell-shell 112, and first group of light source 21 is H2 with the maximum normal distance of outer cell-shell 112, and HI: H2 is between 1: 2 and 5: 6.When the radius of outer cell-shell 112 was 30mm, the maximum normal distance of second group of light source 22 or the 3rd group of light source 23 and outer cell-shell 112 was 30mm, and the maximum normal distance of first group of light source 21 and outer cell-shell 112 is 45mm.
In specific embodiment; The radius of outer cell-shell 112 is R, and the circular radius of first group of light source 21 formation is R1, and the circular radius of second group of light source 22 formation is R2; The circular radius that the 3rd group of light source 23 forms is R3, and R: R1: R2: R3 was at 5: 3: 2: 1 and 12: 8: 5: between 2.When the radius of outer cell-shell 112 was 30mm, the circular radius of first group of light source 21 formation was 20mm, and the circular radius of second group of light source 22 formation is 12mm, and the circular radius of the 3rd group of light source 23 formation is 5.5mm.
In other embodiments, first district be sealing be first enclosed area, the concave reflection of most of light of first group of light source 21 through first reflector 31 is to γ 90-180 ° scope; Second district and the 3rd district form second enclosed area, and most of light of second group of light source 22 reflexes to 90 ° of directions of γ through first concave surface 321 of second reflector 32; Most of light of the 3rd group of light source 23 also has part light to reflex to 45 ° of directions of about γ through second concave surface 322 of second reflector 32 on 0 ° of direction of γ, and compensation causes the shade on cell-shell 11 because of second reflector 32 is in the light.Cooperation through first group of light source 21, second group of light source 22 and the 3rd group of light source 23 and first reflector 31 and second reflector 32 has realized the luminous intensity distribution in the γ 0-180 ° scope.
The above is merely the preferred embodiments of the present invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. full optic angle bulb of LED; Comprise lamp housing and be located at light source and the reflector element in the said lamp housing; It is characterized in that; Said light source comprises first group of light source, second group of light source and the 3rd group of light source at least; Said reflector element comprises first reflector and second reflector at least, and said lamp housing is separated into first district, second district and the 3rd district by said first reflector and second reflector, and said first group of light source, second group of light source and the 3rd group of light source correspondence respectively are located in said first district, second district and the 3rd district.
2. the full optic angle bulb of LED according to claim 1 is characterized in that said lamp housing comprises cell-shell and radiator, and said cell-shell and said radiator connect into a sealing chamber, and said cell-shell comprises internal layer cell-shell and outer cell-shell.
3. the full optic angle bulb of LED according to claim 2 is characterized in that the material of said internal layer cell-shell and said outer cell-shell is identical, and perhaps the material mist degree of said outer cell-shell is bigger than the material mist degree of said internal layer cell-shell.
4. according to the full optic angle bulb of each described LED in the claim 1 to 3, it is characterized in that said light source is some LED illuminators, the some LED illuminators in said first group of light source, second group of light source and the 3rd group of light source are arranged to circle respectively.
5. the full optic angle bulb of LED according to claim 4; It is characterized in that said first group of light source comprises N1 LED illuminator, said second group of light source comprises N2 LED illuminator; Said the 3rd group of light source comprises N3 LED illuminator, and N1: N2: N3 is between 7: 3: 2 and 5: 3: 2.
6. the full optic angle bulb of LED according to claim 5 is characterized in that, said first group of light source is by the concave reflection of said first reflector, and said second group of light source and said the 3rd group of light source are by the concave reflection of said second reflector.
7. the full optic angle bulb of LED according to claim 6 is characterized in that, said second group of light source and said the 3rd group of light source are located on the same horizontal plane.
8. the full optic angle bulb of LED according to claim 7; It is characterized in that; The maximum normal distance of said second group of light source or the 3rd group of light source and said outer cell-shell is H1, and the maximum normal distance of said first group of light source and said outer cell-shell is H2, and HI: H2 is between 1: 2 and 5: 6.
9. the full optic angle bulb of LED according to claim 8; It is characterized in that; The radius of said outer cell-shell is R, and the circular radius that said first group of light source forms is R1, and the circular radius that said second group of light source forms is R2; The circular radius that said the 3rd group of light source forms is R3, and R: R1: R2: R3 was at 5: 3: 2: 1 and 12: 8: 5: between 2.
10. the full optic angle bulb of LED according to claim 9 is characterized in that said first district is first enclosed area, and said second district and the 3rd district form second enclosed area.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015321.XA CN102563428B (en) | 2012-01-18 | 2012-01-18 | Light emitting diode (LED) full light angle bulb |
| PCT/CN2012/085532 WO2013107223A1 (en) | 2012-01-18 | 2012-11-29 | Led full optical angle lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015321.XA CN102563428B (en) | 2012-01-18 | 2012-01-18 | Light emitting diode (LED) full light angle bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102563428A true CN102563428A (en) | 2012-07-11 |
| CN102563428B CN102563428B (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210015321.XA Expired - Fee Related CN102563428B (en) | 2012-01-18 | 2012-01-18 | Light emitting diode (LED) full light angle bulb |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102563428B (en) |
| WO (1) | WO2013107223A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013107223A1 (en) * | 2012-01-18 | 2013-07-25 | 深圳和而泰照明科技有限公司 | Led full optical angle lamp bulb |
| CN105757502A (en) * | 2014-12-19 | 2016-07-13 | 广东雪莱特光电科技股份有限公司 | Full-light-angle bubble lamp |
| CN107250658A (en) * | 2015-02-23 | 2017-10-13 | 三菱电机株式会社 | The manufacture method of illuminating lamp, lighting device and illuminating lamp |
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| JP2007035366A (en) * | 2005-07-25 | 2007-02-08 | Kokubu Denki Co Ltd | Illumination device |
| JP2010086946A (en) * | 2008-09-04 | 2010-04-15 | Panasonic Corp | Light source for illumination and luminaire with reflector using the same |
| WO2010064793A2 (en) * | 2008-12-05 | 2010-06-10 | 주식회사 아모럭스 | Radially-shaped heat dissipating apparatus, and bulb-shaped led lighting apparatus using same |
| CN202024160U (en) * | 2011-05-06 | 2011-11-02 | 励国实业有限公司 | LED (light-emitting diode) lamp |
| CN202056593U (en) * | 2011-04-18 | 2011-11-30 | 北京地调科技发展有限公司 | Led lamp |
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| CN100441939C (en) * | 2004-04-27 | 2008-12-10 | 傅则吾 | LED bulb for common lighting |
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| JP2007057421A (en) * | 2005-08-25 | 2007-03-08 | Ikegami Tsushinki Co Ltd | Ring lighting system |
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| CN102563428B (en) * | 2012-01-18 | 2014-11-05 | 深圳和而泰照明科技有限公司 | Light emitting diode (LED) full light angle bulb |
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2012
- 2012-01-18 CN CN201210015321.XA patent/CN102563428B/en not_active Expired - Fee Related
- 2012-11-29 WO PCT/CN2012/085532 patent/WO2013107223A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007035366A (en) * | 2005-07-25 | 2007-02-08 | Kokubu Denki Co Ltd | Illumination device |
| JP2010086946A (en) * | 2008-09-04 | 2010-04-15 | Panasonic Corp | Light source for illumination and luminaire with reflector using the same |
| WO2010064793A2 (en) * | 2008-12-05 | 2010-06-10 | 주식회사 아모럭스 | Radially-shaped heat dissipating apparatus, and bulb-shaped led lighting apparatus using same |
| CN202056593U (en) * | 2011-04-18 | 2011-11-30 | 北京地调科技发展有限公司 | Led lamp |
| CN202024160U (en) * | 2011-05-06 | 2011-11-02 | 励国实业有限公司 | LED (light-emitting diode) lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013107223A1 (en) * | 2012-01-18 | 2013-07-25 | 深圳和而泰照明科技有限公司 | Led full optical angle lamp bulb |
| CN105757502A (en) * | 2014-12-19 | 2016-07-13 | 广东雪莱特光电科技股份有限公司 | Full-light-angle bubble lamp |
| CN107250658A (en) * | 2015-02-23 | 2017-10-13 | 三菱电机株式会社 | The manufacture method of illuminating lamp, lighting device and illuminating lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102563428B (en) | 2014-11-05 |
| WO2013107223A1 (en) | 2013-07-25 |
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