CN204227094U - A kind of high-efficiency LED lamp bulb - Google Patents
A kind of high-efficiency LED lamp bulb Download PDFInfo
- Publication number
- CN204227094U CN204227094U CN201420602481.9U CN201420602481U CN204227094U CN 204227094 U CN204227094 U CN 204227094U CN 201420602481 U CN201420602481 U CN 201420602481U CN 204227094 U CN204227094 U CN 204227094U
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- Prior art keywords
- illuminator
- connector
- cavity
- shell
- cell
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- Expired - Fee Related
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- 239000011796 hollow space material Substances 0.000 claims abstract description 3
- 230000008878 coupling Effects 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 26
- 238000005859 coupling reaction Methods 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 238000004020 luminiscence type Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 pottery Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/506—Cooling arrangements characterised by the adaptation for cooling of specific components of globes, bowls or cover glasses
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A kind of high-efficiency LED lamp bulb, comprise the electric connector being positioned at bottom, the top of described electric connector is fixedly connected with a connection piece, the cavity for ventilating is formed in connector, the top of connector is fixedly connected with the illuminator of a hollow barrel-type, the outside of illuminator is covered with a cell-shell, a cavity is formed between described illuminator and cell-shell, and this cell-shell is provided with opening and is fixedly connected with the upper end of described illuminator and makes the hollow space of illuminator be communicated with the external world, described connector is provided with air vent and is communicated with described cavity, described illuminator and/or described cell-shell are fixed with LED light-emitting component, described LED light-emitting component is connected to described driver by electric connection line.This high-efficiency LED lamp bulb, not only can realize omnibearing luminescence, improves luminous efficiency and ensure that lighting angle, and has the heat that vent passages takes away LED light-emitting component, solves the heat dissipation problem of this LED bulb, extends the service life of bulb.
Description
Technical field
The utility model relates to a kind of LED bulb.
Background technology
In recent years, along with the development of LED technology, the various performances of LED lamp for illumination are greatly improved.LED lamp has that the life-span is long, luminous efficiency is high, do not have a series of advantage such as ultra-violet radiation, good energy-conserving effect, becomes the development trend of future light source.
But LED light source has directionality, can accomplish unlike incandescent lamp etc. 360 degree luminous, therefore, when adopting LED to replace traditional incandescent lamp or other light sources as light source, its illumination effect is subject to certain restrictions, therefore occurred now that some can realize 360 degree of omnibearing luminous LED bulb, " a kind of LED bulb of comprehensive bright dipping " disclosed in Chinese patent CN203215314U.This bulb comprises a band LED core, stem stem, the vacuum seal cell-shell of blast pipe and electric lead-out wire, an electric connector, one is contained in the driver in electric connector, heat radiation protection gas is filled in cell-shell, LED core comprises a LED or at least one LED light-emitting section, LED with LED light-emitting section is installed at least a string identical or not identical illuminant colour LED light-emitting component, LED light-emitting component is in series or in parallel with each other, two end electrodes is drawn via electric lead-out wire, and export with driver and be connected, the input of driver is connected with electric connector, driver is made up of rectifying and wave-filtering and constant current tube circuit, driver is by casting glue embedding, electric connector and cell-shell are interconnected by fluid sealant and seal, form whole LED bulb.This LED bulb light flux is higher, also can be omnibearing luminous, can be used for the illumination under various environment.
But luminous in order to realize 360 degree, often can not meet the requirement of heat radiation.And in order to the requirement of satisfied heat radiation, light-emitting area can not reach again 360 degree omnibearing luminous.Therefore, area of dissipation and light-emitting area are conflicting, and the heat dispersion of existing omnibearing luminous bulb is all poor, have impact on the service life of LED bulb.
Utility model content
Technical problem to be solved in the utility model is to provide one can meet 360 degree of luminescences, can have again the high-efficiency LED lamp bulb of good heat dispersion.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of high-efficiency LED lamp bulb, comprise the electric connector being positioned at bottom, driver is provided with in described electric connector, driver is connected with extraneous power supply by electric connector, it is characterized in that: the top of described electric connector is fixedly connected with a connection piece, the cavity for ventilating is formed in described connector, cavity connects in described connector is to the part of described illuminator hollow, the top of described connector is fixedly connected with the illuminator of a hollow barrel-type, the outside of described illuminator is covered with a cell-shell, a cavity is formed between described illuminator and cell-shell, the bottom of described cell-shell is fixedly connected with the top of connector, and this cell-shell is provided with opening and is fixedly connected with the upper end of described illuminator and makes the hollow space of illuminator be communicated with the external world, described connector is provided with air vent and is communicated with described cavity, described illuminator and/or described cell-shell are fixed with LED light-emitting component, described LED light-emitting component is connected to described driver by electric connection line.
Preferably, a cavity sealed is formed between described illuminator and cell-shell.
As a preferred embodiment of the present utility model, described connector comprises the coupling part be connected with electric connector, and to be fixed on coupling part and to separate the bottom of the cavity in electric connector and connector, the top cover of described cavity is connected to form up and down with described bottom, described air vent is positioned on the lateral circle surface of described bottom, along the distribution of side face uniform intervals, described top cover is provided with hole and is communicated to cavity, and this hole is fixedly connected with described illuminator.
As another preferred embodiment of the present utility model, described connector comprises the coupling part be connected with electric connector, and be positioned at the connector body that coupling part extends in the same way with the axis of electric connector and coupling part, described connector body comprises the vertically extending bottom surface be positioned at outside coupling part with the axis of this coupling part, described air vent is formed on described bottom surface, and the top of described connector body is fixed with a top cover, described cavity is formed at described connector body, in the space that top cover and coupling part surround, described top cover is provided with hole and is communicated to cavity, this hole is fixedly connected with described illuminator.
In order to make the luminous efficiency of described LED bulb higher, the face that described illuminator installs described LED light-emitting component is coated with reflecting layer or phosphor powder layer.
Preferably, the top of described cell-shell is provided with a connecting portion caved inward and is fixedly connected with the top of described illuminator, and described connecting portion forms described opening.
Preferably, this LED light-emitting component can be located at illuminator towards on the face of cell-shell
Compared with prior art, the utility model has the advantage of this LED bulb, not only can realize omnibearing luminescence, improve luminous efficiency and ensure that lighting angle, and there is the heat that vent passages takes away LED light-emitting component, solve the heat dissipation problem of this LED bulb, extend the service life of bulb.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the LED bulb of the first embodiment of the present utility model.
Fig. 2 is the sectional view of the LED bulb of the first embodiment of the present utility model.
Fig. 3 is the exploded view of the LED bulb of the first embodiment of the present utility model.
Fig. 4 is the schematic perspective view of the LED bulb of the second embodiment of the present utility model.
Fig. 5 is the sectional view of the LED bulb of the second embodiment of the present utility model.
Fig. 6 is the exploded view of the LED bulb of the second embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As Figure 1-3, for the schematic diagram of the LED bulb of the first embodiment of the present utility model, this bulb comprises electric connector 1, and the connector 2 be positioned at above electric connector 1 to be connected with electric connector 1, be provided with driver (not shown) in described electric connector 1, driver is connected with extraneous power supply by electric connector 1.
The bottom of this connector 2 is fixedly connected with electric connector 1, and the cavity 21 of formation one for ventilating in connector 2, the top of described connector 2 is fixedly connected with the illuminator 3 of a hollow, the part of this illuminator 3 hollow is communicated with described cavity 21, preferably, the top of described connector 2 has the part that hole is communicated with the hollow of described illuminator 3, the lower end of this illuminator 3 is fixedly connected with connector 2, the upper end of this illuminator 3 is in communication with the outside, the outside of this illuminator 3 is covered with the cell-shell 4 of printing opacity, a cavity is formed between cell-shell 4 and illuminator 3, the bottom of this cell-shell 4 is fixedly connected with the top of connector 2, and this cell-shell 4 is provided with opening 41 and is fixedly connected with the upper end of described illuminator 3 cavity 21 making the part of the hollow of illuminator 3 be communicated with the external world and illuminator 3.Described connector 2 is provided with air vent 22, as Figure 1-3, this air vent 22 is located at the sidewall of connector 2, therefore, air-flow moves by the illuminator 3 of air vent 22, hollow and opening 41, as shown in the direction of arrow in Fig. 2, namely this LED bulb inside forms a vent passages be in communication with the outside, and can meet the cooling requirements of this LED bulb like this.
Preferably, the top of this cell-shell 4 is provided with a connecting portion caved inward 42, and this connecting portion 42 forms opening 41, and connecting portion 42 is inwardly fixedly connected with the top of illuminator 3.
This illuminator 3 can be the transparent materials such as glass, pottery, plastics, and also can be the opaque materials such as metal, the outer surface of this illuminator 3, be namely coated with reflecting layer or phosphor powder layer on the surface of cavity.The cavity of the sealing that is isolated from the outside is formed between this illuminator 3 and cell-shell 4, LED light-emitting component is provided with in this cavity, the outer surface of this illuminator 3, namely the face that illuminator 3 is relative with cell-shell 4 can be fixedly installed multiple LED light-emitting component, or the inner surface of this cell-shell 4 also can be provided with multiple LED light-emitting component, as long as the light-emitting area of this LED light-emitting component is towards cavity.The plurality of LED light-emitting component to electric connection line 5, and then to be communicated to the driver in electric connector 1 by the connection of printing on illuminator 3 through connector 2 by this electric connection line 5, and then drive multiple LED light-emitting component to throw light on.This illuminator 3 is the tubular of hollow, and therefore, be arranged at the LED light-emitting component of illuminator 3 outer surface, just can penetrate 360 degree of omnibearing light, this LED can realize omnibearing luminescence.The cross section of this illuminator 3 can be circular, and triangle, also can be polygon, also can be other irregular shapes, the radial dimension of illuminator 3 can be unanimous between the higher and lower levels, also can change regular or at random, as long as the tubular construction of hollow.
Above-mentioned LED light-emitting component, it can be LED chip, also can be surface labeling LED (SMD LED), or also can be the LED light-emitting component directly formed on illuminator 3 by pasting the operations such as powder, die bond, routing, can be various ways.This LED light-emitting component can be located at illuminator 3 towards on the face of cell-shell, also cell-shell can be located at towards on the face of illuminator 3, also can be that illuminator and cell-shell are equipped with, as long as the cavity that the light-emitting area of those LED light-emitting components surrounds towards cell-shell and illuminator 3.
Preferably, this connector 2 as Figure 1-3, comprise the coupling part 23 be connected with electric connector 1, this coupling part 23 can be screw thread, and to be fixed on coupling part 23 and to separate the bottom 24 of electric connector 1 and the cavity 21 in connector 2, and be connected to form the top cover 25 of described cavity 21 with bottom about 24, this top cover 25 is provided with hole and is communicated to cavity, and this hole is fixedly connected with described illuminator 3, described air vent 22 is positioned at the side of described connector 2, namely be positioned on the lateral circle surface of bottom 24, be uniformly distributed along lateral circle surface interval, the top of this top cover 25 and the bottom of cell-shell 4 are fixedly connected.
As Figure 4-Figure 6, for the schematic diagram of the LED bulb of the second embodiment of the present utility model, in this embodiment, other structure is all identical with the first embodiment, its structure is unlike connector 2 ', connector 2 ' in this embodiment comprises the coupling part 23 be threaded mutually with electric connector 1, and the connector body 24 ' extended in the same way with the axis of this electric connector 1 and coupling part 23 be positioned on coupling part 23, this connector body 24 ' comprises vertical with the axis of this bulb one of the outside being positioned at described electric connector 1 and coupling part 23 and encloses bottom surface 241, connector body 24 ' is one-body molded with coupling part 23, and this connector body 24 ' does not separate coupling part 23 and cavity 21, namely described cavity 21 is formed at connector body 24 ', in the space that top cover 25 and coupling part 23 surround, this air vent 22 is positioned on described bottom surface 241, along the axial uniform intervals distribution of bottom surface 241, the top of described connector body 24 ' is fixed with a top cover 25, top cover 25 is provided with hole and is communicated to cavity 21, this Kong Shangding connects described illuminator 3.The top of this top cover 25 and the bottom of cell-shell 4 are fixedly connected.And cavity 21 volume arranged like this is larger, more easily dispels the heat.
This LED bulb, not only can realize omnibearing luminescence, improves luminous efficiency and ensure that lighting angle, and has the heat that vent passages takes away LED light-emitting component, solves the heat dissipation problem of this LED bulb, extends the service life of bulb.
Although more than describe in detail preferred embodiment of the present utility model, should be expressly understood that, for a person skilled in the art, the utility model can have various modifications and variations.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a high-efficiency LED lamp bulb, comprise the electric connector (1) being positioned at bottom, described electric connector is provided with driver in (1), driver is connected with extraneous power supply by electric connector (1), it is characterized in that: the top of described electric connector (1) is fixedly connected with a connection piece, the cavity (21) for ventilating is formed in described connector, the top of described connector is fixedly connected with the illuminator (3) of a hollow barrel-type, cavity (21) in described connector is communicated to the part of described illuminator hollow, the outside of described illuminator (3) is covered with a cell-shell (4), a cavity is formed between described illuminator (3) and cell-shell (4), the bottom of described cell-shell (4) is fixedly connected with the top of connector, and this cell-shell (4) is provided with opening (41) and is fixedly connected with the upper end of described illuminator (3) and makes the hollow space of illuminator (3) be communicated with the external world, described connector is provided with air vent (22) and is communicated with described cavity (21), described illuminator (3) and/or described cell-shell (4) are fixed with LED light-emitting component, described LED light-emitting component is connected to described driver by electric connection line (5).
2. high-efficiency LED lamp bulb as claimed in claim 1, is characterized in that: form a cavity sealed between described illuminator (3) and cell-shell (4).
3. high-efficiency LED lamp bulb as claimed in claim 1, it is characterized in that: described connector comprises the coupling part (23) be connected with electric connector (1), and it is upper and separate the bottom (24) of electric connector (1) and the cavity (21) in connector to be fixed in coupling part (23), the top cover (25) of described cavity (21) is connected to form up and down with described bottom (24), described air vent (22) is positioned on the lateral circle surface of described bottom (24), distribute along side face uniform intervals, described top cover (25) is provided with hole and is communicated to cavity (21), this hole is fixedly connected with described illuminator (3).
4. high-efficiency LED lamp bulb as claimed in claim 1, it is characterized in that: described connector comprises the coupling part (23) be connected with electric connector (1), and be positioned at the connector body (24 ') that upper and electric connector (1) and coupling part (23) the axis in coupling part (23) extends in the same way, described connector body (24 ') comprises the vertically extending bottom surface (241) being positioned at outside, coupling part (23) with the axis of this coupling part (23), described air vent (22) is formed on described bottom surface (241), and the top of described connector body (24 ') is fixed with a top cover (25), described cavity (21) is formed at described connector body (24 '), in the space that top cover (25) and coupling part (23) surround, described top cover (25) is provided with hole and is communicated to cavity (21), described hole is fixedly connected with described illuminator (3).
5. the high-efficiency LED lamp bulb according to any one of claim 1-4, is characterized in that: the face that described illuminator (3) installs described LED light-emitting component is coated with reflecting layer or phosphor powder layer.
6. the high-efficiency LED lamp bulb according to any one of claim 1-4, it is characterized in that: the top of described cell-shell (4) is provided with a connecting portion caved inward (42) and is fixedly connected with the top of described illuminator (3), and described connecting portion (42) forms described opening (41).
7. high-efficiency LED lamp bulb as claimed in claim 1, is characterized in that: described LED light-emitting component is located at illuminator (3) towards on the face of cell-shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602481.9U CN204227094U (en) | 2014-10-17 | 2014-10-17 | A kind of high-efficiency LED lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420602481.9U CN204227094U (en) | 2014-10-17 | 2014-10-17 | A kind of high-efficiency LED lamp bulb |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204227094U true CN204227094U (en) | 2015-03-25 |
Family
ID=52925189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420602481.9U Expired - Fee Related CN204227094U (en) | 2014-10-17 | 2014-10-17 | A kind of high-efficiency LED lamp bulb |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204227094U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369566A (en) * | 2016-09-30 | 2017-02-01 | 程云龙 | Bulb capable of improving radiating efficiency |
| CN107806578A (en) * | 2016-09-06 | 2018-03-16 | 中国科学院苏州纳米技术与纳米仿生研究所 | Semiconductor light-emitting apparatus with air channel structure |
| WO2021160078A1 (en) * | 2020-02-11 | 2021-08-19 | 葛铁汉 | Omni-directional light-emitting light cover and light bulb having same |
-
2014
- 2014-10-17 CN CN201420602481.9U patent/CN204227094U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806578A (en) * | 2016-09-06 | 2018-03-16 | 中国科学院苏州纳米技术与纳米仿生研究所 | Semiconductor light-emitting apparatus with air channel structure |
| CN107806578B (en) * | 2016-09-06 | 2024-05-28 | 中国科学院苏州纳米技术与纳米仿生研究所 | Semiconductor light-emitting device with air duct structure |
| CN106369566A (en) * | 2016-09-30 | 2017-02-01 | 程云龙 | Bulb capable of improving radiating efficiency |
| WO2021160078A1 (en) * | 2020-02-11 | 2021-08-19 | 葛铁汉 | Omni-directional light-emitting light cover and light bulb having same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180508 Address after: Room 20, building 2004, Donghua building, 199-203 Hennessy Road, Wan Chai, Hongkong, China Patentee after: Cherry Lighting Co.,Ltd. Address before: Hongkong Bokangcun bouee China Sha Tin Building Room 3101 Patentee before: Yang Zhiwei |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |