CN211574805U

CN211574805U - LED bulb

Info

Publication number: CN211574805U
Application number: CN201922258113.2U
Authority: CN
Inventors: 杜建军; 何清; 卢绍宽
Original assignee: Huizhou Over Frequency Sanquan Intelligent Lighting Technology Co ltd
Current assignee: Huizhou Over Frequency Sanquan Intelligent Lighting Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-25
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a LED bulb, including illuminator, cell-shell, lamp holder and LED drive power supply, illuminator locates in the cell-shell, the lamp holder install in the opening part of cell-shell, both form airtight space, LED drive power supply locates between lamp holder and the cell-shell, illuminator establishes the light source module outside the stem for the cover, the light source module includes electrically conductive base plate, direct electric connection has a plurality of LED on the electrically conductive base plate, LED covers except other all faces outside the face at lamp holder place. The LED bulb of the utility model uses the hollowed metal substrate to bear the LED, is bent into the cylindrical light source bracket with one open end, covers other angles except the lamp holder, enables the whole lamp to illuminate 360 degrees in all directions, has uniform illumination and no stroboflash, and protects the vision of a user; the inner wall and the outer wall of the bulb shell adopt an electrostatic spraying process, so that the light is more uniform and soft in light emission and better in light transmittance.

Description

LED bulb

Technical Field

The utility model relates to the technical field of lighting fixtures, especially, relate to a LED bulb.

Background

The light source terminal is used for bearing the LED lamp beads, the light source terminal commonly used at present is usually to arrange copper line and circuit board on the base plate, scribble the printing ink layer again, the installation is fixed LED lamp bead and is made, can buckle the base plate and make the light source terminal form predetermined shape during the use. The above structure has the following drawbacks: the copper wire or the circuit board on the base plate is easy to break when being bent, so that one part of lamp beads is not electrified, the other part of lamp beads is overhigh in local voltage, and the product can be damaged by overheating. Influenced by LED lamp pearl support shape, present LED lamp hardly reaches 360 all-round illumination and illuminance and even, has illumination blank area, and some needs comprehensive irradiant user demand can't satisfy.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves uses the light source module of special shape design to and the direct electricity that can bend connects LED's conductive substrate, and illumination covers 360 degrees, avoids the defect that exists in the current product.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a LED bulb, includes illuminator, cell-shell, lamp holder and LED drive power supply, illuminator locates in the cell-shell, the lamp holder install in the opening part of cell-shell, both form airtight space, LED drive power supply locates between lamp holder and the cell-shell, illuminator establishes the light source module outside the stem for the cover, the light source module includes electrically conductive base plate, direct electric connection has a plurality of LEDs on the electrically conductive base plate, LED covers except that all other faces of lamp holder place face.

The conductive substrate comprises a plurality of array-type connected light source supports, the light source supports enclose a hollow cylinder, a prism or a cuboid light source module with one open end, and the open end of the light source module faces the lamp holder.

Each light source support all includes the first light source board that is connected, second light source board and locates first light source board and/or the third light source board of second light source board outer end.

The first light source plate and the second light source plate are rectangular, and the third light source plate is triangular or trapezoidal.

The conductive substrate is a metal plate, and a silver coating is arranged on the surface of the conductive substrate.

The conductive substrate is provided with a silver coating layer, the silver coating layer is arranged on the conductive substrate, the conductive substrate is embedded into the through holes, the injection layer is provided with exposed holes, and the LEDs are arranged in the exposed holes and electrically connected with the conductive substrate.

The light source comprises a conductive substrate, a light source support and a first light source plate, wherein a plurality of hollowed-out areas are arranged on the conductive substrate so as to be convenient to bend, the hollowed-out areas are arranged between the light source support, and the hollowed-out areas are arranged between the first light source plate, the second light source plate and the third light source plate.

The bulb shell is an integrally formed transparent cover, and white electrostatic frosting powder is sprayed on the inner wall and the outer wall of the bulb shell.

And inert gas is filled in the closed space of the bulb shell and the lamp holder.

Wherein, be equipped with the screw thread on the lamp holder surface, the top still is equipped with the nail.

The utility model discloses a LED bulb has following beneficial effect: the LED is carried by the hollow metal substrate, the hollow metal substrate is bent into a cylindrical light source support with an opening at one end, and all angles except the lamp holder are covered, so that the whole lamp can illuminate 360 degrees in an all-round way, the illumination is uniform, stroboflash is avoided, and the vision of a user is protected; the inner wall and the outer wall of the bulb shell adopt an electrostatic spraying process, so that the light is more uniform and soft in light emission and better in light transmittance.

Drawings

To illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the LED bulb of the present invention;

FIG. 2 is a diagram of the usage status of the LED bulb of the present invention;

FIG. 3 is a schematic structural view of a conductive substrate;

fig. 4 is a schematic view of a single light source holder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 4, fig. 1 is a schematic diagram of an LED bulb, including light emitting device 1, bulb shell 2, lamp holder 3 and LED driving power supply 4, light emitting device 1 is disposed in bulb shell 2, lamp holder 3 is installed at the opening of bulb shell 2, both form a closed space, LED driving power supply 4 is disposed between lamp holder 3 and bulb shell 2, light emitting device 1 is a light source module disposed outside stem 5, the light source module includes conductive substrate 11, direct electrically connected to has a plurality of LEDs 12 on conductive substrate 11, LED12 covers all other faces except the face where lamp holder 3 is located. The utility model discloses a bulb adopts the electrically conductive base plate of special setting, the product in this field all adopts and sets up copper line or circuit board on the base plate at present, it makes to scribble the fixed LED lamp pearl of printing ink installation again, and need not the conductor wire in this embodiment, directly install LED12 on electrically conductive base plate 11, regard electrically conductive base plate 11 as the conduction source, then set up the shape of electrically conductive base plate 11 into one end open-ended cylindric, it is prismatic, cuboid or other any shape that can cover a plurality of light emitting areas, open-ended one end is towards the lamp holder of bulb, because sheltering from of lamp holder, the face of lamp holder orientation need not luminous, LED only need cover the lamp holder place face other faces outside can, so can realize that bulb 360 is luminous, realize all-round illumination, the unshaded, the illuminance is even, do not have the stroboflash, protect user's eyesight, some user. The stem 5 is used to support the light emitting device 1. The light source module in this embodiment may be a light source module that is manufactured by directly setting the shape of the light source module as described above, or may be manufactured by using a general light source substrate, and bending the light source substrate into a desired shape. When the light source module of the LED is mounted on the conductive substrate in this embodiment, the LED is directly electrically connected to the conductive substrate, so that the substrate is only bent when the LED is bent into a predetermined shape, thereby preventing the circuit from being broken.

The conductive substrate 11 in this embodiment includes a plurality of light source holders 13 connected in an array manner, the plurality of light source holders 13 enclose a hollow cylinder, a prism or a rectangular parallelepiped light source module with an open end, and the open end of the light source module faces the lamp holder 3. After the conductive substrate 11 is hollowed out, the middle part becomes a light source support 13, connecting pieces 14 are formed at two ends, and the connecting pieces 14 are used for connecting each light source support 13, so that each light source support 13 is taken as a whole. When the light source bracket 13 is used, the upper connecting piece 14 and the lower connecting piece 14 need to be broken off firstly. Each light source support 13 has the same shape and size, and when the lighting device is used, two ends of each light source support 13 need to be connected with an external power supply device and a circuit, so that the LEDs on the light source supports 13 are electrified and emit light. When the conductive substrate 11 is bent into different shapes for use, each light source support 13 forms each surface of different shapes, a single light source support 13 can be used as one surface, or a plurality of light source supports 13 can be used as one surface, and different shapes of the light source plate are selected according to practical application. Due to the shielding of the lamp holder, the surface of the lamp holder facing the lamp holder does not need to emit light, and the LED only needs to cover other surfaces except the surface where the lamp holder is located, so that the opening end of the light source module faces the direction of the lamp holder.

Each light source support 13 in this embodiment includes a first light source board 100, a second light source board 200 and a third light source board 300 disposed at the outer end of the first light source board 100 and/or the second light source board 200, which are connected to each other, the first light source board 100 and the second light source board 200 are rectangular, and the third light source board 300 is triangular or trapezoidal. Above-mentioned light source support 13's shape is for realizing 360 full period illumination of lamps and lanterns and special design, buckle two light source support 13 looks butt of head and the tail before using conductive substrate messenger, bend triangle-shaped or trapezoidal third light source board 300 inwards to butt each other to form one end open-ended cylindric light source, put into cell-shell 2 with the cylindric light source, the light source that the shape set up like this can 360 luminous, all-round illumination, the even stroboflash that does not have of illuminance, protect user's eyesight, do not hinder the eye.

The conductive substrate 11 in this embodiment is a metal plate, the surface of the conductive substrate is further provided with a silver plating layer, the outer portion of the silver plating layer is further provided with an injection molding layer, the conductive substrate 11 is further provided with a plurality of through holes, the injection molding layer covers the conductive substrate 11 and is embedded into the through holes, the injection molding layer is provided with exposed holes, and the LEDs 12 are located in the exposed holes to be electrically connected with the conductive substrate 11. The substrate can be a plate made of iron plates, steel plates, copper plates or other metals and is mainly used for replacing copper wires or circuit boards for conducting electricity. In this embodiment, only the front surface of the conductive substrate 11 is plated with silver and injection-molded, and the back surface faces the light-emitting back surface when in use, so that the back surface is not treated to reduce the process and cost. Exposed holes are uniformly formed in the injection molding layer, the LED is packaged in the exposed holes, and the bottom of the LED is electrically connected with the conductive substrate. The light source formed by the LED packaging mode has the advantages of high luminous efficiency and low light attenuation, the service life of the light source exceeds 15000 hours, and the service life of the light source is longer than that of a common light source.

In this embodiment, the conductive substrate 11 is provided with a plurality of hollow areas 15 for bending, the hollow areas 15 are disposed between the plurality of light source brackets, and the hollow areas 15 are disposed between the first light source plate 100, the second light source plate 200, and the third light source plate 300. The hollow areas 15 in this embodiment include a first hollow area located at an upper portion, a second hollow area located at a lower portion, and a third hollow area between the light source plates, where the hollow areas between the light source brackets are used to form a shape of the light source bracket, and the first hollow area is used to form a third light source plate 300 at an upper end of the light source bracket, and is an inverted trapezoid or an inverted triangle, so that the third light source plate 300 is trapezoid or a triangle. The second hollow area is used for forming the first light source plate 100 and the second light source plate 200 on the light source bracket, and the shape of the second hollow area is rectangular, so that the first light source plate 100 and the second light source plate 200 are also rectangular. The third hollow-out area is located between each light source board, for less continuous rectangle, makes only limited several connecting portion link to each other between each light source board, bends when being convenient for use, has alleviateed product weight simultaneously.

The utility model discloses the conductive substrate's that LED bulb used manufacturing procedure is cutting the metal sheet into suitable size, forms the fretwork district through punching press or etching, carries out surface silvering again, later moulds plastics, forms the exposed hole similar with LED size on the injection molding face in preset position during injection molding, encapsulates LED in the exposed hole. The LED can be packaged on the light source support by means of pasting or welding, a wire bonding machine, a die bonder or a dispensing machine, gluing, dispensing, ultrasonic bonding and the like. When in use, the conductive substrate is bent into a required shape and installed in a corresponding lamp.

The bulb shell 2 in this embodiment is an integrally formed transparent cover, can be made of glass material, and is generally in the same size and shape, for example, a60, and has a wide application range. White electrostatic frosting powder is sprayed on the inner wall and the outer wall of the bulb shell 2, ivory is formed on the inner wall and the outer wall of the bulb shell 2 by using an electrostatic spraying process, the light of the bulb is more uniform and soft, and the light transmittance reaches 92%.

In this embodiment, the sealed space between the bulb case 2 and the lamp holder 3 is filled with an inert gas, usually a mixed gas of argon and nitrogen, as a shielding gas, so that the heat dissipation effect of the bulb is better, and the service life of the light source is effectively prolonged.

The screw thread is equipped with on the lamp holder 3 surface in this embodiment, and the top still is equipped with nail 6, and the external screw thread is arranged in 3 screw in lamp bulb mount pads of lamp holder, and the nail 6 at top is pressed down the power live wire when being used for the installation, the live wire of switch-on bulb circuit.

When the LED bulb of the utility model is used, a constant current driving power supply is adopted to ensure stable illumination, the hollowed metal substrate is used for bearing an LED, and the LED is bent into a cylindrical light source bracket with an open end to cover all angles except a lamp cap, so that the whole lamp can illuminate 360 degrees in all directions, the illumination is uniform, no stroboflash exists, and the vision of a user is protected; the inner wall and the outer wall of the bulb shell adopt an electrostatic spraying process, so that the light is more uniform and soft in light emission and better in light transmittance.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a LED bulb, includes illuminator, cell-shell, lamp holder and LED drive power supply, illuminator locates in the cell-shell, the lamp holder install in the opening part of cell-shell, both form airtight space, LED drive power supply locates between lamp holder and the cell-shell, its characterized in that, illuminator establishes the light source module outside the stem for the cover, the light source module includes electrically conductive base plate, direct electric connection has a plurality of LEDs on the electrically conductive base plate, LED covers except that other all faces of lamp holder place face.

2. The LED bulb as claimed in claim 1, wherein the conductive substrate comprises a plurality of light source supports connected in an array manner, the plurality of light source supports are enclosed to form a hollow cylinder, prism or cuboid light source module with one open end, and the open end of the light source module faces the lamp holder.

3. The LED bulb as claimed in claim 2, wherein each of the light source holders includes a first light source board, a second light source board and a third light source board disposed at an outer end of the first light source board and/or the second light source board.

4. The LED bulb of claim 3, wherein the first light source board and the second light source board are rectangular and the third light source board is triangular or trapezoidal.

5. The LED bulb as claimed in claim 4, wherein the conductive substrate is a metal plate, and a silver coating is further provided on the surface of the conductive substrate.

6. The LED bulb as claimed in claim 5, wherein an injection molding layer is further disposed outside the silver plating layer, a plurality of through holes are further disposed on the conductive substrate, the injection molding layer covers the conductive substrate and is embedded in the through holes, an exposed hole is formed in the injection molding layer, and the LED is located in the exposed hole to be electrically connected with the conductive substrate.

7. The LED bulb as claimed in claim 6, wherein a plurality of hollowed-out areas are formed on the conductive substrate for facilitating bending, the hollowed-out areas are formed between the plurality of light source brackets, and the hollowed-out areas are formed between every two of the first light source plate, the second light source plate and the third light source plate.

8. The LED bulb as claimed in any one of claims 1 to 7, wherein the bulb shell is an integrally formed transparent cover, and white electrostatic frosting powder is sprayed on the inner and outer walls of the bulb shell.

9. The LED bulb of claim 8, wherein the enclosed space between the bulb shell and the base is filled with an inert gas.

10. The LED bulb as claimed in claim 1 or 9, wherein the outer surface of the lamp holder is provided with threads, and the top of the lamp holder is provided with a nail.