CN112413418A - Novel LED filament lamp - Google Patents
Novel LED filament lamp Download PDFInfo
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- CN112413418A CN112413418A CN202011218051.3A CN202011218051A CN112413418A CN 112413418 A CN112413418 A CN 112413418A CN 202011218051 A CN202011218051 A CN 202011218051A CN 112413418 A CN112413418 A CN 112413418A
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Classifications
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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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- 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
- F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
- F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
- F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
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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
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/005—Sealing arrangements therefor
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- 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)
- 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
The invention discloses a novel LED filament lamp which comprises a lamp holder, wherein a supporting platform is arranged above the lamp holder, a spiral LED filament is fixed on the upper surface of the supporting platform, an arc-shaped lampshade is buckled above the supporting platform, the supporting platform is provided with two connecting holes, the LED filament is connected with the lamp holder through the connecting holes, the connecting holes comprise a first connecting hole and a second connecting hole, one end of the first connecting hole, which is positioned on the upper surface of the supporting platform, is close to the center of the upper surface of the supporting platform, and one end of the second connecting hole, which is positioned on the upper surface of the supporting platform, is close to the edge of the. The LED lamp filament is attached to the surface of the supporting platform to replace a lamp core column by the supporting platform, the supporting platform is not prone to being damaged by vibration, the stability of the LED lamp filament in the lamp bulb can be enhanced, the spiral groove which is used for fixing the LED lamp filament and is arranged on the upper surface of the supporting platform can prevent the LED lamp filament from sliding on the supporting platform, and the safety of the LED lamp filament is improved.
Description
Technical Field
The invention relates to the technical field of lighting lamps, in particular to a novel LED filament lamp.
Background
The LED illuminating lamp mainly takes a high-power white light LED single lamp as a main lamp. LED lighting fixtures are a general term for LED lighting fixtures, and as LED technology further matures, LEDs have been more and better developed in the field of design and development of room lighting fixtures. The LED illuminating lamp has the advantages of uniform light emission, good heat dissipation and energy conservation, and occupies a larger and larger share in the fields of conventional indoor and outdoor illumination and antique lighting illumination. Although the LED filament lamp adopts the bent LED filament in order to increase the illumination intensity of the bulb in a limited space, the LED filament is still connected with the LED filament through two lamp core columns, and the problem that the bulb falls off an outer shell and does not break the lamp core column and is damaged by vibration exists.
For example, chinese patent CN106678579A, published 2017, 5, month, and 17, a process for manufacturing a bent LED filament, which mainly comprises etching a circuit on a metal substrate, stamping or cutting a spiral structure in the form of a mosquito-repellent incense by a machine, then respectively fixing a crystal on the substrate, dispensing and packaging into a filament, clamping two ends of the filament by a clamp, and uniformly stretching outward to make it into a spiral LED filament; based on the preparation method, the utility model also discloses a bulb with a bent LED filament; the filament made of the metal or nonmetal substrate has better heat conductivity and higher power than the filament made of the traditional ceramic, and the front and back surfaces of the metal or nonmetal substrate are both subjected to die bonding, so that the front and back surfaces of the LED filament can emit light more uniformly; the spiral filament can make the light emitting of the filament more three-dimensional, and the filament is not easy to break, and the finished product rate of the manufactured bent LED filament is higher; the LED bulb manufactured by the manufacturing process is more uniform in light emission, higher in wattage and longer in service life. But it still only connects the LED filament through two wick posts, has the LED filament and fixes insecurely, and the wick post easily receives the problem of vibration damage.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the LED filament lamp adopts the lamp core column to connect the LED filament at present, and the technical problems that the LED filament is not firm in fixation and the lamp core column is easy to be damaged by vibration exist. The LED filament lamp does not need a lamp core column to be connected with an LED filament and can effectively reinforce the LED filament.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a new LED filament lamp, includes the lamp holder, the lamp holder top is equipped with supporting platform, the supporting platform upper surface is fixed with spiral helicine LED filament, arc-shaped lampshade has been detained to the supporting platform top, the outside of supporting platform upper surface upwards extend form the round be used for with the connecting portion that the lamp shade is connected, the bottom of lamp shade be used for with the one end that supporting platform connects is equipped with the go-between, the outside of go-between with the inboard of connecting portion meets, supporting platform with lamp shade sealing connection, supporting platform is equipped with two connecting holes, the LED filament passes through the connecting hole with the lamp holder is connected. A novel LED filament lamp is characterized in that a supporting platform used for supporting an LED filament is arranged above a lamp holder, the supporting platform is provided with two connecting holes, the LED filament is connected with the lamp holder through the connecting holes and used for replacing a lamp core column and enhancing the stability of the LED filament in a bulb, the spiral LED filament is fixed on the upper surface of the supporting platform and can enhance the brightness of the bulb in a limited bulb space, an arc-shaped lampshade is buckled above the supporting platform, the outer side of the upper surface of the supporting platform extends upwards to form a circle of connecting part used for being connected with the lampshade, the arc-shaped connecting part extending upwards on the outer side of the supporting platform can play a role in protecting the LED filament on the upper surface of the supporting platform, one end, connected with the supporting platform, of the bottom of the lampshade is provided with a connecting ring, the outer side of the connecting ring is connected with the inner side of the connecting part, the connecting ring can be a connecting ring formed, the lamp shade can be fixed on the inner side of the bottom of the lamp shade, so that the contact area between the lamp shade and the supporting base can be increased when the lamp shade is connected with the connecting part, the lamp shade is convenient to seal and connect, and meanwhile, because the lamp shade and the supporting platform are in a connecting relation rather than integrally formed, if the lamp shade is damaged when the bulb falls, the lamp shade is also convenient to replace.
Preferably, the upper surface of the supporting platform is provided with a spiral groove for fixing the LED filament. Be equipped with the spiral groove who is used for fixed LED filament at supporting platform's upper surface, prevent that the LED filament from sliding on supporting platform, arrange the LED filament in the recess, the degree of depth that the LED filament deepened the recess is not less than the third of LED filament height, the LED filament is deepened the recess and is played fixed effect too shallowly, the degree of depth that the LED filament deepened the recess is not more than the half of LED filament height, the LED filament deepens the illumination and the heat dissipation that the recess too deeply influenced the LED filament.
Preferably, the upper surface of the supporting platform is of a plane structure, and the LED filament is fixed on the upper surface of the supporting platform in a mosquito-repellent incense shape. The upper surface of supporting platform is planar structure, and the LED filament is that the mosquito-repellent incense form is fixed on the supporting platform upper surface, is convenient for fix the LED filament on supporting platform, and the upper surface of supporting platform also can alleviate the influence when the LED filament receives side vibration for planar structure.
Preferably, the upper surface of the supporting platform is an inwardly concave conical surface structure, and the LED filament is spirally fixed on the upper surface of the supporting platform. The upper surface of supporting platform is inside sunken conical surface structure, and the LED filament is the heliciform and fixes on the supporting platform upper surface, and this kind of structure is more convenient for concentrate the light of LED filament, because in some environment that need improve specific position luminance, only add the reflection of light face behind the bulb still can't reach anticipated intensity, just so utilize inside sunken conical surface structure to concentrate outside sending with the light that the LED filament produced at the filament aspect, can reach higher luminance requirement with less cost, resources are saved, the loss of the energy is reduced.
Preferably, a plurality of blocking parts are arranged on the upper surface of the supporting plane beside the spiral groove. The upper surface of the supporting plane is provided with a plurality of blocking parts beside the spiral groove, so that the filament can be prevented from being separated from the groove to slide on the supporting plane due to the deformation of the filament after long-term use, and the filament can be continuously fixed on the original position by using the blocking parts.
Preferably, each of the blocking portions is a transparent pillar. Each blocking part is a transparent upright post, the transparent blocking parts can prevent the blocking parts from influencing the lamp filaments to emit light outwards, and the blocking parts are the upright posts and prevent the blocking parts from having edges and corners to damage the LED lamp filaments in an extruding mode.
Preferably, a light reflecting layer is arranged on the upper portion of the supporting platform and is located on the lower portion of the spiral groove. The upper portion of supporting platform just is located the lower part of spiral recess and sets up the reflector layer, can further strengthen the spotlight effect of toper structure, and the reflector layer can be full coverage or the diameter of reflector layer is half of place plane supporting platform cross-section diameter, and the reflector layer of full coverage can make the bulb adjust the illumination intensity of top to reach the highest, and the reflector layer of another kind of condition can make the illumination of bulb shine the region at back.
Preferably, the connection holes include a first connection hole and a second connection hole, the first connection hole is located at one end of the upper surface of the supporting platform close to the center of the upper surface of the supporting platform, and the second connection hole is located at one end of the upper surface of the supporting platform close to the edge of the upper surface of the supporting platform. Because the filament is the heliciform laminating on supporting platform upper surface, so the both ends one end of LED filament is in the central point of supporting platform upper surface position, and the other end is located the marginal position of supporting platform upper surface, so the one end that two connecting holes of supporting platform are located the supporting platform upper surface corresponds the corresponding LED filament tip position and is convenient for being connected of LED filament and lamp holder.
Preferably, the support platform is a solid glass body. The supporting platform is a solid glass body, so that light of the LED lamp filament can be irradiated to a wider area conveniently, and the solid supporting platform is firmer.
The substantial effects of the invention are as follows: the LED lamp filament support structure has the advantages that the support platform is used for enabling the LED lamp filament to be tightly attached to the surface of the support platform to replace a lamp core column, the support platform is not prone to being damaged by vibration, the stability of the LED lamp filament in the lamp bulb can be enhanced, the spiral groove which is used for fixing the LED lamp filament and is arranged on the upper surface of the support platform can prevent the LED lamp filament from sliding on the support platform, the LED lamp filament can be prevented from shaking on the upper surface of the support platform when the lamp bulb vibrates, and the safety of the.
Drawings
Fig. 1 is a schematic structural diagram of the first embodiment.
FIG. 2 is a schematic cross-sectional view taken along line A-A of the first embodiment.
Fig. 3 is a schematic structural diagram of the second embodiment.
Wherein: 1. lamp holder, 2, supporting platform, 3, lamp shade, 4, go-between, 5, LED filament, 6, connecting portion, 7, first connecting hole, 8, second connecting hole, 9, blocking part, 10, reflector layer.
Detailed Description
The following provides a more detailed description of the present invention, with reference to the accompanying drawings.
The first embodiment is as follows:
a novel LED filament lamp is shown in figure 1 and comprises a lamp holder 1, wherein a supporting platform 2 is arranged above the lamp holder 1, and the supporting platform 2 is a solid glass body. The supporting platform 2 is a solid glass body, so that light of the LED lamp filament 5 can irradiate a wider area conveniently, and the solid supporting platform 2 is firmer. The upper surface of the supporting platform 2 is fixed with a spiral LED filament 5, the upper surface of the supporting platform 2 is of a plane structure, and the LED filament 5 is fixed on the upper surface of the supporting platform 2 in a mosquito-repellent incense shape. The upper surface of supporting platform 2 is planar structure, and LED filament 5 is the mosquito-repellent incense form and fixes on supporting platform 2 upper surface, is convenient for fix LED filament 5 on supporting platform 2, and the upper surface of supporting platform 2 also can alleviate the influence when LED filament 5 receives the side vibration for planar structure. The upper surface of the supporting platform 2 is provided with a spiral groove for fixing the LED filament 5. Be equipped with the spiral groove who is used for fixed LED filament 5 at supporting platform 2's upper surface, prevent that LED filament 5 from sliding on supporting platform 2, arrange LED filament 5 in the recess, the degree of depth that LED filament 5 deepened the recess is not less than the third of LED filament 5 height, LED filament 5 deepens the recess and plays the effect that can not fix too shallowly, the degree of depth that LED filament 5 deepened the recess is not more than the half of LED filament 5 height, LED filament 5 deepens the illumination and the heat dissipation that the recess too deeply influenced LED filament 5. The upper surface of the support plane is provided with a plurality of blocking parts 9 beside the spiral groove, as shown in fig. 2, the upper surface of the support plane is provided with a plurality of blocking parts 9 beside the spiral groove, so that the filament can be prevented from being separated from the groove to slide on the support plane due to the deformation of the filament after long-term use, and the filament can be continuously fixed on the original position by the blocking parts 9. Each blocking portion 9 is a transparent pillar. Each blocking part 9 is a transparent upright column, the transparent blocking parts 9 can prevent the blocking parts 9 from influencing the outward luminescence of the lamp filament, and the blocking parts 9 are upright columns to prevent the blocking parts 9 from having edges and corners to damage the LED lamp filament 5 in an extrusion manner.
Arc-shaped lamp shade 3 has been detained to 2 tops of supporting platform, the outside of 2 upper surfaces of supporting platform upwards extends and forms the round and is used for the connecting portion 6 be connected with lamp shade 3, the bottom of lamp shade 3 is used for the one end of being connected with supporting platform 2 to be equipped with go-between 4, the outside of go-between 4 meets with the inboard of connecting portion 6, supporting platform 2 and 3 sealing connection of lamp shade, supporting platform 2 is equipped with two connecting holes, LED filament 5 passes through the connecting hole and is connected with lamp holder 1. The connecting hole includes first connecting hole 7 and second connecting hole 8, and the one end that first connecting hole 7 is located 2 upper surfaces of supporting platform is close to the center of 2 upper surfaces of supporting platform, and the one end that second connecting hole 8 is located 2 upper surfaces of supporting platform is close to the edge of 2 upper surfaces of supporting platform. Because the filament is the heliciform laminating on supporting platform 2 upper surface, so the both ends one end of LED filament 5 is in the central point of supporting platform 2 upper surface position, and the other end is located the border position of supporting platform 2 upper surface, so the one end that two connecting holes of supporting platform 2 are located supporting platform 2 upper surface corresponds the corresponding LED filament 5 tip position and is convenient for LED filament 5 and lamp holder 1's connection.
This embodiment is equipped with supporting platform 2 that is used for supporting LED filament 5 above lamp holder 1, supporting platform 2 is equipped with two connecting holes, LED filament 5 passes through the connecting hole and is connected with lamp holder 1, be used for replacing the wick post, can strengthen LED filament 5's in the bulb stability, 2 upper surface mounting of supporting platform have spiral helicine LED filament 5, spiral helicine LED filament 5 can strengthen the luminance of bulb in limited bulb space, place the flexible filament of mosquito-repellent incense form on solid glass lamp body plane, positive negative pole wire is from the drive output end through-hole of 2 minor diameters of solid glass lamp body arrival filament positive negative pole wiring ends, thereby reach the effect of switch-on filament circuit and fixed filament. The solid glass lamp body is an insulator and is a non-conductive material, so that no sheath is required to be additionally arranged on the driving and filament connecting wire. An arc-shaped lampshade 3 is buckled above the supporting platform 2, the outer side of the upper surface of the supporting platform 2 extends upwards to form a circle of connecting parts 6 used for being connected with the lampshade 3, the arc-shaped connecting parts 6 extending upwards outside the supporting platform 2 can play a role of protecting an LED filament 5 on the upper surface of the supporting platform 2, one end of the bottom of the lampshade 3 used for being connected with the supporting platform 2 is provided with a connecting ring 4, the outer side of the connecting ring 4 is connected with the inner side of the connecting parts 6, the connecting ring 4 can be the connecting ring 4 formed by extending the bottom of the lampshade 3 inwards firstly and then extending downwards, or can be the connecting ring 4 fixed on the inner side of the bottom of the lampshade 3, so that the contact area between the lampshade 3 and a supporting base can be increased when the connecting parts 6 are connected, the sealing connection is convenient, meanwhile, because the lampshade 3 and the supporting platform 2 are, the lamp shade 3 is also convenient to replace. The lampshade 3 on the top can be made of glass materials or transparent plastics (such as PC) and the solid glass lamp body are bonded by structural AB glue in a curing mode, the joint of the 2 parts is designed into a clamping groove-shaped shape, namely a connecting ring structure, so that the structural AB glue can be placed, and the joint of the solid glass body and the lamp holder 1 is connected by daub in a high-temperature curing mode.
Example two:
the difference between the first embodiment and the second embodiment is that the upper surface of the supporting platform 2 is an inwardly concave conical surface structure, as shown in fig. 3, the LED filament 5 is spirally fixed on the upper surface of the supporting platform 2, the upper portion of the supporting platform 2 is provided with a reflective layer 10, and the reflective layer 10 is located at the lower portion of the spiral groove. The upper surface of supporting platform 2 is inside sunken conical surface structure, LED filament 5 is the heliciform and fixes on supporting platform 2 upper surface, this kind of structure is more convenient for concentrate LED filament 5's light, because in some environments that need improve specific position luminance, only add the reflection of light face behind the bulb still can't reach anticipated intensity, just so utilize inside sunken conical surface structure to concentrate outwards to send with the light that LED filament 5 produced at the filament aspect, can reach higher luminance requirement with less cost, resources are saved, the loss of the energy is reduced. The upper part of the supporting platform 2 is provided with a reflective layer 10, and the reflective layer 10 is positioned at the lower part of the spiral groove. The upper portion of the supporting platform 2 and the lower portion of the spiral groove are provided with the reflecting layer 10, the condensation effect of the conical structure can be further enhanced, the reflecting layer 10 can be fully covered or the diameter of the reflecting layer 10 is half of the diameter of the section of the plane supporting platform 2, the fully covered reflecting layer 10 can enable the lamp bulb to be aligned with the upper portion, the illumination intensity reaches the highest, and the reflecting layer 10 in the other situation can enable the light of the lamp bulb to illuminate the rear area.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (9)
1. A novel LED filament lamp is characterized by comprising a lamp holder (1), a supporting platform (2) is arranged above the lamp holder (1), a spiral LED filament (5) is fixed on the upper surface of the supporting platform (2), an arc-shaped lampshade (3) is buckled above the supporting platform (2), the outer side of the upper surface of the supporting platform (2) extends upwards to form a circle of connecting parts (6) for connecting with the lampshade (3), a connecting ring (4) is arranged at one end of the bottom of the lampshade (3) which is used for being connected with the supporting platform (2), the outer side of the connecting ring (4) is connected with the inner side of the connecting part (6), the supporting platform (2) is hermetically connected with the lampshade (3), the supporting platform (2) is provided with two connecting holes, the LED filament (5) is connected with the lamp holder (1) through the connecting hole.
2. The new LED filament lamp according to claim 1, characterized in that the upper surface of the support platform (2) is provided with a helical groove for fixing the LED filament (5).
3. The new LED filament lamp according to claim 2, characterized in that the upper surface of the support platform (2) is a planar structure, and the LED filament (5) is fixed on the upper surface of the support platform (2) in the shape of mosquito coil.
4. The new LED filament lamp according to claim 2, wherein the upper surface of the supporting platform (2) is an inwardly concave conical structure, and the LED filament (5) is spirally fixed on the upper surface of the supporting platform (2).
5. A new LED filament lamp according to claim 3 or 4, characterized in that the upper surface of the support plane is provided with stops (9) beside the spiral groove.
6. A new LED filament lamp according to claim 5, characterized in that each barrier (9) is a transparent pillar.
7. The new LED filament lamp according to claim 4, characterized in that the upper part of the support platform (2) is provided with a reflective layer (10), the reflective layer (10) being located at the lower part of the spiral groove.
8. A new LED filament lamp according to claim 1 or 3 or 4, characterized in that the connection holes comprise a first connection hole (7) and a second connection hole (8), wherein the first connection hole (7) is located at one end of the upper surface of the supporting platform (2) near the center of the upper surface of the supporting platform (2), and the second connection hole (8) is located at one end of the upper surface of the supporting platform (2) near the edge of the upper surface of the supporting platform (2).
9. A new LED filament lamp according to claim 3 or 4, characterized in that the support platform (2) is a solid glass body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011218051.3A CN112413418A (en) | 2020-11-04 | 2020-11-04 | Novel LED filament lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011218051.3A CN112413418A (en) | 2020-11-04 | 2020-11-04 | Novel LED filament lamp |
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| Publication Number | Publication Date |
|---|---|
| CN112413418A true CN112413418A (en) | 2021-02-26 |
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|---|---|---|---|
| CN202011218051.3A Pending CN112413418A (en) | 2020-11-04 | 2020-11-04 | Novel LED filament lamp |
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| CN (1) | CN112413418A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023242183A1 (en) * | 2022-06-17 | 2023-12-21 | Signify Holding B.V. | Improved thermal performance for spot lamps |
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Application publication date: 20210226 |