CN218568867U

CN218568867U - LED support and LED lamp pearl

Info

Publication number: CN218568867U
Application number: CN202222871424.8U
Authority: CN
Inventors: 周文
Original assignee: Dongguan Furi Yuanlei Technology Co ltd
Current assignee: Dongguan Furi Yuanlei Technology Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a LED support and LED lamp pearl, LED support include the support body, and the support body is provided with first cup chamber, second cup chamber and the third cup chamber that is located same luminous side, is provided with the partition wall between the adjacent cup chamber, and every cup chamber is provided with independent electrode pad separately. The support body is provided with three independent cup cavities, and independent electrode bonding pads are arranged in the three cup cavities respectively, so that after the light-emitting chips are packaged with the LED support, the light-emitting chips in the cup cavities can be independently controlled. The three cup cavities can be respectively provided with a red light chip, a blue light chip and a green light chip, so that the RGB full-color function is realized; two of the three cup cavities can be provided with blue light chips and respectively modulated into warm white light and positive white light through fluorescent powder, and the rest cup cavity can be provided with RGB chips. This application has realized the full-color lamp pearl of the compatible RGB of same LED support and double-colored warm lamp pearl through above-mentioned setting.

Description

LED support and LED lamp pearl

Technical Field

The utility model relates to a LED technical field especially relates to a LED support and LED lamp pearl.

Background

The support of present LED lamp pearl adopts single cup chamber, and the luminous chip of conventional RGB support all sets up in same cup chamber, can only be applicable to the full-color lamp pearl of RGB, can't realize the double-colored temperature function of white light and double-colored temperature function of mixing light. And the support of white light double-color temperature lamp pearl adopts two independent bowls, can realize just white, warm white double-color temperature and double-colored temperature and mix the function that the light formed the natural light, but can not realize the full-color function of RGB. Therefore, the existing LED support cannot be compatible with the RGB full-color lamp bead and the white-light bicolor temperature lamp bead.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: the utility model provides a LED support and LED lamp pearl to solve the problem that current LED support can't compatible RGB full-color lamp pearl and the two colour temperatures of white light.

In order to solve the technical problem, the utility model discloses a technical scheme be:

the utility model provides a LED support, includes the support body, the support body is provided with the first cup chamber, second cup chamber and the third cup chamber that are located same luminous side, and is adjacent be provided with the partition wall between the cup chamber, every the cup chamber is provided with independent electrode pad separately.

Furthermore, the first cup cavity, the second cup cavity and the third cup cavity are sequentially arranged transversely or adjacently in pairs.

Furthermore, the first cup cavity, the second cup cavity and the third cup cavity are fan-shaped cup cavities which are arranged adjacently in pairs, and the first cup cavity, the second cup cavity and the third cup cavity enclose to form a circle.

Furthermore, the bottom surface of each cup cavity is an inclined surface which is inclined downwards from the arc edge to the circle center.

Further, the width of the bottom of the partition wall is larger than that of the top of the partition wall.

Further, the electrode pad of the cup cavity is arranged on the bottom surface of the cup cavity or the side wall of the cup cavity.

Furthermore, a heat conducting bonding pad for fixing the crystal light-emitting chip is arranged at the bottom of the cup cavity.

An LED lamp bead comprises the LED support, wherein each cup cavity of the LED support is provided with a light-emitting chip in one-to-one correspondence, and the light-emitting chips are electrically connected with electrode bonding pads.

Further, the light emitting chip in the first cup cavity is a first blue light chip, a first fluorescent adhesive layer used for modulating blue light into warm white light is further arranged in the first cup cavity, and the first blue light chip is covered by the first fluorescent adhesive layer;

the light emitting chip in the second cup cavity is a second blue light chip, a second fluorescent adhesive layer for modulating blue light into positive white light is further arranged in the second cup cavity, and the second blue light chip is covered by the second fluorescent adhesive layer;

the light emitting chip of the third cup cavity is an RGB chip, the third cup cavity is further provided with a third fluorescent glue layer for modulating light emitted by the RGB chip into red light or green light, and the third fluorescent glue layer covers the RGB chip.

Further, the light emitting chip in the first cup cavity is a red light chip, the light emitting chip in the second cup cavity is a green light chip, and the light emitting chip in the third cup cavity is a third blue light chip.

The beneficial effects of the utility model reside in that: the support body is provided with three independent cup cavities, and independent electrode bonding pads are arranged in the three cup cavities respectively, so that after the light-emitting chips are packaged with the LED support, the light-emitting chips in the cup cavities can be independently controlled. Illustratively, the three cup cavities can be respectively used for a die bonding red light chip, a green light chip and a blue light chip, and each light-emitting chip is independently controlled to realize the RGB full-color function; two of the three cup cavities can all be provided with blue light chips, and the blue light is modulated into the positive white light and the warm white light through different fluorescent glue, and the rest cup cavities can be provided with RGB chips and modulate the light emitted by the RGB chips into red light or green light through the fluorescent glue, so that the brightness of the white light is further improved. Through the arrangement, the LED support is compatible with the RGB full-color lamp bead and the white-light double-color temperature lamp bead.

Drawings

Fig. 1 is a schematic view of a first structure of an LED lamp bead according to an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view of section A-A of FIG. 1;

fig. 3 is a second schematic structural diagram of an LED lamp bead according to an embodiment of the present invention;

fig. 4 is a third structural schematic diagram of an LED lamp bead according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of section B-B of FIG. 4;

fig. 6 is another cross-sectional view of section B-B of fig. 4.

Description of the reference symbols:

10. a stent body; 100. a first cup cavity; 200. a second cup cavity; 300. a third cup cavity; 400. a partition wall; 500. an electrode pad; 600. a thermally conductive pad; 21. a first blue light chip; 22. a second blue light chip; 23. an RGB chip; 31. a first fluorescent glue layer; 32. a second fluorescent glue layer; 33. and the third fluorescent glue layer.

Detailed Description

In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Example one

Referring to fig. 1 to 6, a first embodiment of the present invention is:

referring to fig. 1 and 2, an LED support includes a support body 10, the support body 10 is provided with a first cup cavity 100, a second cup cavity 200 and a third cup cavity 300 on the same light emitting side, a partition wall 400 is disposed between adjacent cup cavities, and each cup cavity is provided with an independent electrode pad 500.

The structural principle of the LED bracket of the embodiment is as follows: the support body 10 is provided with three cup cavities, each cup cavity is provided with an independent bonding pad, and after the support body is packaged into an LED lamp bead, the independent driving and lighting of the light-emitting chips in the cup cavities can be realized. Be provided with partition wall 400 between the adjacent cup chamber, each cup chamber of being convenient for sets up different fluorescence glue films to satisfy the chromatic light modulation demand in each cup chamber.

It can be understood that, in this embodiment, three mutually independent cup cavities are provided to drive the corresponding light-emitting chips respectively, for example, the three cup cavities may be used for a die bonding red light chip, a green light chip, and a blue light chip, and each light-emitting chip is controlled separately to realize an RGB full-color function; two of them cup chambeies among the three cup chamber can all set up blue light chip to modulate the blue light into positive white light and warm white light through different fluorescent glue, remaining cup chamber can set up RGB chip 23 and modulate the light that RGB chip 23 sent into the monochromatic light of ruddiness or green glow through fluorescent glue, can the exclusive use, also can mix the light with the white light in order to adjust the colour temperature, can also regard as vacant cup chamber. Through the arrangement, the LED support is compatible with the RGB full-color lamp bead and the white-light double-color temperature lamp bead.

Referring to fig. 1 and 3, optionally, the first cup cavity 100, the second cup cavity 200, and the third cup cavity 300 are sequentially arranged in a transverse direction or adjacent to each other.

In this embodiment, the three cup cavities may be arranged in a transverse direction, or two adjacent cup cavities may be arranged, and in order to make the light emitted from the light emitting chip of each cup cavity more concentrated, two adjacent cup cavities are preferably arranged, and further, two adjacent cup cavities are preferably arranged to improve the light mixing effect in the light mixing process.

Referring to fig. 4 and 5, optionally, the first cup cavity 100, the second cup cavity 200, and the third cup cavity 300 are fan-shaped cup cavities arranged adjacently in pairs, and the first cup cavity 100, the second cup cavity 200, and the third cup cavity 300 enclose a circle.

It can be understood that this embodiment adopts the structure of fan-shaped cup chamber and forms the circle, is favorable to each light emitting chip's light-emitting direction around the centre of a circle evenly distributed, exemplarily, in the mixed light in-process for the light after the mixture is more even. In another example, the projection areas of the cup cavities on the horizontal plane may be the same or different, and may be adjusted according to the number of the light emitting chips in the cup cavities.

Referring to fig. 6, optionally, the bottom surface of each cup cavity is an inclined surface inclined downward from the arc edge to the circle center. At the section B-B, an inclination angle α exists between the bottom surface of the cup cavity and the horizontal plane, exemplarily, the bottom surface of the cup cavity inclines downward by 0 to 15 ° from the arc edge to the circle center, and in other embodiments, the inclination condition of the bottom surface of the cup cavity can be adjusted according to the light-emitting effect of the LED lamp bead and the placement position of the light-emitting chip.

It can be understood that the bottom surface in cup chamber sets up to the inclined plane of following arc border to centre of a circle downward sloping gradually, so, because inclination's existence, the regional gathering near the centre of a circle of the partial light of every intracavity of cup luminescence chip to make the light-emitting of LED lamp pearl concentrate more.

Referring to fig. 2, 5 and 6, optionally, the width of the bottom of the partition 400 is greater than that of the top. It can be understood that, in the production process of the LED bracket, a metal piece needs to be used for injection molding to obtain a finished LED bracket, in this embodiment, the partition wall 400 with a wide bottom and a narrow top is adopted, so that on one hand, the area of the partition wall 400 is increased to increase the area of the light reflection area; on the other hand, two sidewalls of the partition 400 may be inclined planes, which facilitates the demolding during the molding process.

Optionally, the electrode pad 500 of the cup cavity is disposed on a bottom surface of the cup cavity or a sidewall of the cup cavity. Referring to fig. 5 and 6, a heat conducting pad 600 for die bonding of the light emitting chip is disposed at the bottom of the cup cavity. It can be understood that, in the conventional LED support, the positive electrode pad and the negative electrode pad are respectively disposed at the bottom of the cup cavity and separated by the plastic isolation strip, in this embodiment, in order to avoid the LED support to be broken at the isolation strip, the electrode pad 500 is disposed on the sidewall of the cup cavity, and the isolation strip in the cup cavity is eliminated. In addition, the heat conducting bonding pad 600 of the metal part is further adopted in the embodiment, and in the packaging process, the light emitting chip is die-bonded on the heat conducting bonding pad 600, so that the overall strength of the LED bracket is improved, the conduction efficiency of the light emitting chip is also improved, the thermoelectric separation is realized, and the heat dissipation of the light emitting chip is facilitated. Referring to fig. 4 to 6, for example, the arc-shaped sidewall of each cup cavity includes a straight wall surface and an inclined wall surface connected from top to bottom, and the electrode pads 500 are disposed on the inclined wall surface, and specifically, in the same cup cavity, the positive electrode pads and the negative electrode pads are disposed near the partition walls 400 at two sides, respectively.

Example two

The embodiment provides an LED lamp bead, including as embodiment one the LED support, each cup chamber of LED support is provided with the luminous chip of one-to-one, luminous chip with electrode pad 500 electricity is connected.

Referring to fig. 1 to 6, optionally, the LED lamp bead is a white light bicolor temperature lamp bead, the light emitting chip in the first cup cavity 100 is a first blue light chip 21, a first fluorescent adhesive layer 31 for modulating blue light into warm white light is further disposed in the first cup cavity 100, and the first blue light chip 21 is covered by the first fluorescent adhesive layer 31. The light emitting chip in the second cup cavity 200 is a second blue light chip 22, a second fluorescent adhesive layer 32 for modulating blue light into positive white light is further arranged in the second cup cavity 200, and the second blue light chip 22 is covered by the second fluorescent adhesive layer 32. The light emitting chip of the third cup cavity 300 is an RGB chip 23, the third cup cavity 300 is further provided with a third fluorescent glue layer 33 for modulating light emitted by the RGB chip 23 into red light or green light, and the third fluorescent glue layer 33 covers the RGB chip 23.

Illustratively, the first phosphor layer 31 includes a mixture of yellow phosphor and red phosphor to modulate blue light into warm white light. The second phosphor layer 32 includes a mixture of yellow phosphor and green phosphor to modulate blue light into positive white light. The third phosphor layer 33 includes red phosphor or green phosphor. The warm white light and the positive white light of the LED lamp bead can be used alone or mixed to form natural light, and the red light or the green light can be used alone or mixed with the white light to adjust the color temperature.

Optionally, the LED lamp bead is a full-color lamp bead, the light-emitting chip in the first cup cavity 100 is a red light chip, the light-emitting chip in the second cup cavity 200 is a green light chip, and the light-emitting chip in the third cup cavity 300 is a third blue light chip. The light emitting chips in each cup cavity are driven to be lightened independently, so that a monochromatic light emitting effect is realized, and a full-color light emitting effect can be realized.

To sum up, the utility model provides a pair of LED support and LED lamp pearl, the support body sets up independent three cup chamber separately to set up independent electrode pad separately at three cup intracavity, make after luminous chip and the encapsulation of LED support, the luminous chip homoenergetic independent control of each cup intracavity. The three cup cavities can be respectively provided with a red light chip, a blue light chip and a green light chip to realize the RGB full-color function; two of the three cup cavities can be provided with blue light chips and respectively modulated into warm white light and positive white light through fluorescent powder, and the rest cup cavity can be provided with an RGB chip to realize green or red monochromatic light emission. This application has realized the full-color lamp pearl of compatible RGB of same LED support and double-colored warm (mixed light) lamp pearl through above-mentioned setting.

In addition, the cup structure also adopts two adjacent fan-shaped cup cavities and the cup cavity bottom surfaces with the edges inclined to the circle center, so that partial light can be concentrated in the circle center area, and the effect of concentrated light emitting is realized. Further, this application sets up the electrode pad on the lateral wall in cup chamber to set up the heat conduction pad in cup chamber bottom, realized thermoelectric separation, be favorable to emitting chip's heat dissipation.

The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.

Claims

1. The LED support is characterized by comprising a support body, wherein the support body is provided with a first cup cavity, a second cup cavity and a third cup cavity which are located on the same light-emitting side, a partition wall is arranged between the cup cavities, and each cup cavity is provided with an independent electrode pad.

2. The LED cradle of claim 1, wherein the first cup, the second cup, and the third cup are sequentially arranged laterally or adjacent to each other.

3. The LED support according to claim 1, wherein the first cup, the second cup and the third cup are fan-shaped cups arranged adjacent to each other, and the first cup, the second cup and the third cup enclose a circle.

4. The LED support according to claim 3, wherein the bottom surface of each cup cavity is a slope that slopes downward from the arc-shaped edge to the center of the circle.

5. The LED holder according to claim 1, wherein the partition walls have a bottom width greater than a top width.

6. The LED holder according to claim 1, wherein the electrode pad of the cup cavity is disposed on a bottom surface of the cup cavity or a sidewall of the cup cavity.

7. The LED holder according to claim 1, wherein a heat conducting pad for die bonding of the light emitting chip is arranged at the bottom of the cup cavity.

8. An LED lamp bead, characterized in that, comprising the LED support as claimed in any one of claims 1 to 6, each cup cavity of the LED support is provided with a one-to-one corresponding light emitting chip, and the light emitting chip is electrically connected with the electrode pad.

9. The LED lamp bead according to claim 8, wherein the light emitting chip in the first cup cavity is a first blue light chip, a first fluorescent adhesive layer for modulating blue light into warm white light is further disposed in the first cup cavity, and the first blue light chip is covered by the first fluorescent adhesive layer;

10. The LED lamp bead according to claim 8, wherein the light emitting chip in the first cup cavity is a red light chip, the light emitting chip in the second cup cavity is a green light chip, and the light emitting chip in the third cup cavity is a third blue light chip.