CN102563428B - Light emitting diode (LED) full light angle bulb - Google Patents
Light emitting diode (LED) full light angle bulb Download PDFInfo
- Publication number
- CN102563428B CN102563428B CN201210015321.XA CN201210015321A CN102563428B CN 102563428 B CN102563428 B CN 102563428B CN 201210015321 A CN201210015321 A CN 201210015321A CN 102563428 B CN102563428 B CN 102563428B
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- Prior art keywords
- light source
- group
- shell
- led
- reflector
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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
- 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
-
- 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
-
- 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 starts progressively to establish.Especially Energy Star (Energy Star, hereinafter to be referred as the ES) standard that USDOE and Environmental Protection Agency are carried out, becomes LED illuminating product gradually at the threshold that enters of American market.Wherein, ES is for category-A bulb (being the bulb of standard incandescent lamp shape), except the basic photoelectric properties such as luminous flux output, light efficiency require, also the characteristics of luminescence is had to following requirement: light intensity in γ 0-135 ° changes can not surpass 20% of average intensity within the scope of this, the luminous flux in γ 135-180 ° can not be lower than 5% of total light flux.LED category-A lamp bulb in the market only has the only a few can be by the standard of ES, and topmost reason is exactly the characteristics of luminescence that cannot meet above-mentioned full optic angle.
It is luminous from both sides as light source that part bulb of the prior art is usingd blue-ray LED, and it is outer is provided with the cell-shell that is mixed with fluorescent material, and this kind of bulb utilizes the diffusion property of cell-shell, realized the uniform light distribution of full optic angle degree.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 of bulb for yellow, and side-emitting plate is operation trouble on producing.
Part bulb of the prior art is usingd single integrated or great power LED as light source, mixes the lens of particular design, utilizes the mode of lens total reflection or plating reflectance coating to realize full optic angle luminous intensity distribution.The shortcoming of this scheme is the cell-shell that needs solid angle scope very large, makes this kind of bulb there is no enough Power Management Design spaces, and 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, the design space that the heat that is intended to make light source to produce was uniformly distributed and increased power supply, can make high-power lamp bulb as required.
The embodiment of the present invention provides the full optic angle bulb of a kind of LED, comprise lamp housing and be located at light source and the reflector element in described lamp housing, described light source at least comprises first group of light source, second group of light source and the 3rd group of light source, described reflector element at least comprises the first reflector and the second reflector, described lamp housing is separated into the firstth district, Second Region He 3rd district by described the first reflector and the second reflector, and described first group of light source, second group of light source and the 3rd group of light source respectively correspondence are located in described the firstth district, Second Region He 3rd district.
Preferably, described lamp housing comprises cell-shell and radiator, and described cell-shell and described radiator connect into a sealing chamber, and described cell-shell comprises internal layer cell-shell and outer cell-shell.
Preferably, the material of described internal layer cell-shell and described outer cell-shell is identical, or the material mist degree of described outer cell-shell is larger than the material mist degree of described internal layer cell-shell.
Preferably, described light source is some LED illuminators, and the some LED illuminators in described first group of light source, second group of light source and the 3rd group of light source are arranged to respectively circle.
Preferably, described first group of light source comprises N1 LED illuminator, and described second group of light source comprises N2 LED illuminator, and described the 3rd group of light source comprises N3 LED illuminator, N1: N2: N3 is between 7: 3: 2 and 5: 3: 2.
Preferably, described first group of light source is by the concave reflection of described the first reflector, and described second group of light source and described the 3rd group of light source are by the concave reflection of described the second reflector.
Preferably, described second group of light source and described the 3rd group of light source are located in same level.
Preferably, the maximum normal distance of described second group of light source or the 3rd group of light source and described outer cell-shell is H1, and the maximum normal distance of described first group of light source and described outer cell-shell is H2, HI: H2 is between 1: 2 and 5: 6.
Preferably, the radius of described outer cell-shell is R, and the circular radius that described first group of light source forms is R1, and the circular radius that described second group of light source forms is R2, the circular radius that described the 3rd group of light source forms is R3, R: R1: R2: R3 was at 5: 3: 2: 1 and 12: 8: 5: between 2.
Preferably, described the firstth district is the first enclosed area, and described Second Region He 3rd district form the second enclosed area.
Preferably, some LED illuminators in described first group of light source form series circuit, some LED illuminators in second group of light source form series circuit, and the some LED illuminators in the 3rd group of light source form series circuit, and first group of light source, second group of light source and the 3rd group of light source form parallel circuit.
Preferably, between described light source and described radiator, be provided with installing plate.
The full optic angle bulb of LED disclosed in this invention, by the light that reflector element is sent light source, distribute, reach and do not irradiate the shadow surface that 360 degree are realized in blind area, light source is divided into first group of light source, second group of light source and the 3rd group of light source, the heat that light source is produced is uniformly distributed, and extends the life-span of the bulb in the present invention; And the Rational Arrangement that carries out that can be to light source, make full use of the space in cell-shell, increase the design space of power supply, then the power of bulb can be done greatly, and the appearance profile of the full optic angle bulb of the LED in the present invention can be made to identical with the appearance profile of classical incandescent lamp, the traditional aesthetic that meets consumer is seen.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the full optic angle bulb of LED of the present invention;
Fig. 2 is the test result schematic diagram of the full optic angle bulb of LED distribution curve flux in first embodiment of the invention;
Fig. 3 is the test result schematic diagram of the full optic angle bulb of LED distribution curve flux in second embodiment of the invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides the full optic angle bulb of a kind of LED, 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 and radiator 12 connect into a sealing chamber, and light source 2 and reflector element 3 are located in this sealing chamber.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 by after internal layer cell-shell 111, then the refraction of the outer cell-shell 112 of process can realize secondary light-distribution.
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, as outer cell-shell 112, select high mist degree material, and internal layer cell-shell 111 is selected low haze material.
In specific embodiment, between radiator 12 and light source 2, be provided with installing plate 4, radiator 12 and light source 2 are separately positioned on the upper surface and lower surface of installing plate 4, be that heat production device and radiating element are set together, accelerate radiating rate, strengthen radiating effect, extended 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 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 object 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 making full use of in cell-shell 1; Power supply is left in the space that light source 2 is saved for, and making to make high-power bulb becomes 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, extend 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 and the 3rd group of selected LED illuminator of light source 23 can be identical, also can be different, can select as required the LED illuminator of different electricity or optical characteristics.
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, 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 select different or first group of light source 21, second group of light source 22 with the quantity of LED illuminator in the 3rd group of light source 23 than different, 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 selected with outer cell-shell 112 for internal layer cell-shell 111 is identical, and N1: N2: N3 is the test result schematic diagram 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, for outer cell-shell 112, select high mist degree material, internal layer cell-shell 111 is selected low haze material, and N1: N2: N3 is the test result schematic diagram of 5: 3: the 2 o'clock full optic angle bulb of LED of the present invention distribution curve fluxs.
In other specific embodiments, some LED illuminators in first group of light source 21 are arranged to circle, 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 and is: in the situation that do not irradiate the shadow surface that 360 degree are realized in blind area, side-emitting plate in relative prior art, produce simple, cost is low, also further makes uniform heat distribution, and making to make high-power bulb becomes possibility.Certainly 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 can be arranged to the arbitrary shape of sealing as required, as square or oval etc.
In specific embodiment, some LED illuminators in first group of light source 21 form series circuit, some LED illuminators in second group of light source 22 form series circuit, some LED illuminators in the 3rd group of light source 23 form series circuits, and first group of light source 21, second group of light source 22 and the 3rd group of light source 23 form 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 affect because indivedual LED illuminators damage the work of whole light fixture.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 are also not limited to 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 according to the design of practical power circuit and different trace arrangements.
In other embodiments, second group of light source 22 and the 3rd group of light source 23 are arranged in same level, and first group of light source 21 is arranged on another horizontal plane, light source 2 is arranged to double-deck object and is: the refraction action that 1, makes full use of outer cell-shell 112; 2, as shown in Figure 2 or Figure 3, all there is luminous intensity distribution within the scope of γ 0-180 °; 3, as shown in Figure 2 or Figure 3, the luminous intensity distribution of γ 0-135 ° scope is even, light intensity wherein change average intensity 20% in; 4, as shown in Figure 2 or Figure 3, the luminous flux within the scope of γ 135-180 ° accounts for the more than 5% of whole luminous 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, HI: H2 is between 1: 2 and 5: 6.When the radius of outer cell-shell 112 is 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 is 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, R: R1: R2: R3 was at 5: 3: 2: 1 and 12: 8: 5: between 2.When the radius of outer cell-shell 112 is 30mm, the circular radius of first group of light source 21 formation is 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.
Reflector element 3 at least comprises the first reflector 31 and the second reflector 32, the second reflector 32 comprises the first concave surface 321 and the second concave surface 322, the first reflector 31 becomes three regions with the second reflector 32 by the interior separation of lamp housing 1, be respectively the firstth district, Second Region He 3rd district, first group of light source 21 is located in the firstth district, second group of light source 22 is located in Second Region, and the 3rd group of light source 23 is located in San district.The first reflector 31 and the second reflector 32 carry out 360 degree distribution by first group of light source 21, second group of light source 22 and the 3rd group of light that light source 23 sends.
In other embodiments, the firstth district be sealing be the first enclosed area, the concave reflection of most of light of first group of light source 21 by the first reflector 31 is to the scope of γ 90-180 °; He 3rd district in Second Region form the second enclosed area, and most of light of second group of light source 22 reflexes to 90 ° of directions of γ by the first concave surface 321 of the second reflector 32; Most of light of the 3rd group of light source 23, in 0 ° of direction of γ, also has part light to reflex to 45 ° of directions of about γ by the second concave surface 322 of the second reflector 32, and compensation causes the shade on cell-shell 11 because the second reflector 32 is in the light.The luminous intensity distribution of cooperation by first group of light source 21, second group of light source 22 and the 3rd group of light source 23 and the first reflector 31 and the second reflector 32 within the scope of having realized γ 0-180 °.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. the full optic angle bulb of LED, comprise lamp housing and be located at light source and the reflector element in described lamp housing, it is characterized in that, described light source at least comprises first group of light source, second group of light source and the 3rd group of light source, described reflector element at least comprises the first reflector and the second reflector, described lamp housing is separated into the firstth district, Second Region He 3rd district by described the first reflector and the second reflector, and described first group of light source, second group of light source and the 3rd group of light source respectively correspondence are located in described the firstth district, Second Region He 3rd district;
Described first group of light source is by the concave reflection of described the first reflector, and described second group of light source and described the 3rd group of light source are by the concave reflection of described the second reflector;
Described lamp housing comprises cell-shell, and described cell-shell comprises internal layer cell-shell and outer cell-shell;
The maximum normal distance of described second group of light source or the 3rd group of light source and described outer cell-shell is H1, and the maximum normal distance of described first group of light source and described outer cell-shell is H2, HI: H2 is between 1: 2 and 5: 6.
2. the full optic angle bulb of LED according to claim 1, is characterized in that, described lamp housing also comprises radiator, and described cell-shell and described radiator connect into a sealing chamber.
3. the full optic angle bulb of LED according to claim 2, is characterized in that, the material of described internal layer cell-shell and described outer cell-shell is identical, or the material mist degree of described outer cell-shell is larger than the material mist degree of described internal layer cell-shell.
4. according to the full optic angle bulb of the LED described in any one in claims 1 to 3, it is characterized in that, described light source is some LED illuminators, and the some LED illuminators in described first group of light source, second group of light source and the 3rd group of light source are arranged to respectively circle.
5. the full optic angle bulb of LED according to claim 4, it is characterized in that, described first group of light source comprises N1 LED illuminator, and described second group of light source comprises N2 LED illuminator, described the 3rd group of light source comprises N3 LED illuminator, 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, described second group of light source and described the 3rd group of light source are located in same level.
7. the full optic angle bulb of LED according to claim 6, it is characterized in that, the radius of described outer cell-shell is R, the circular radius that described first group of light source forms is R1, the circular radius that described second group of light source forms is R2, the circular radius that described the 3rd group of light source forms is R3, R: R1: R2: R3 was at 5: 3: 2: 1 and 12: 8: 5: between 2.
8. the full optic angle bulb of LED according to claim 7, is characterized in that, described the firstth district is the first enclosed area, and described Second Region He 3rd district form the 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 CN102563428A (en) | 2012-07-11 |
| CN102563428B true CN102563428B (en) | 2014-11-05 |
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| 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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| JPH1031905A (en) * | 1996-07-18 | 1998-02-03 | Koito Mfg Co Ltd | Marker lamp for vehicle |
| CN2695779Y (en) * | 2004-04-27 | 2005-04-27 | 傅则吾 | Popular lighting LED bulb |
| CN100441939C (en) * | 2004-04-27 | 2008-12-10 | 傅则吾 | LED bulb for common lighting |
| JP2007035366A (en) * | 2005-07-25 | 2007-02-08 | Kokubu Denki Co Ltd | Illumination device |
| JP2007057421A (en) * | 2005-08-25 | 2007-03-08 | Ikegami Tsushinki Co Ltd | Ring lighting system |
| CN2859197Y (en) * | 2005-12-21 | 2007-01-17 | 郭振萍 | Luminous diode lighting device |
| JP4755276B2 (en) * | 2008-09-04 | 2011-08-24 | パナソニック株式会社 | Light source for illumination |
| KR101032415B1 (en) * | 2008-12-05 | 2011-05-03 | 주식회사 아모럭스 | Radial type radiator and LED lighting apparatus of bulb type using the same |
| CN101936461A (en) * | 2009-06-30 | 2011-01-05 | 富准精密工业(深圳)有限公司 | Light source module |
| CN201526842U (en) * | 2009-09-30 | 2010-07-14 | 艾笛森光电股份有限公司 | LED lamp with whole-field illumination |
| CN101706083A (en) * | 2009-10-30 | 2010-05-12 | 王景慧 | Heat dissipation device for LED lamp |
| 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 |
-
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2007-35366A 2007.02.08 * |
| JP特开2010-86946A 2010.04.15 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102563428A (en) | 2012-07-11 |
| WO2013107223A1 (en) | 2013-07-25 |
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