CN216872006U - Cavity optical device - Google Patents
Cavity optical device Download PDFInfo
- Publication number
- CN216872006U CN216872006U CN202220459207.5U CN202220459207U CN216872006U CN 216872006 U CN216872006 U CN 216872006U CN 202220459207 U CN202220459207 U CN 202220459207U CN 216872006 U CN216872006 U CN 216872006U
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- Prior art keywords
- lens
- cavity
- chip
- optical device
- bowl
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- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 239000004593 Epoxy Substances 0.000 claims description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 3
- 239000005022 packaging material Substances 0.000 abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000004026 adhesive bonding Methods 0.000 description 5
- 239000000741 silica gel Substances 0.000 description 5
- 229910002027 silica gel Inorganic materials 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of illumination, and particularly discloses a cavity optical device which comprises a support body and a lens, wherein a bowl cup is concavely arranged on the upper surface of the support body, a chip is arranged at the bottom of the bowl cup, and the chip is communicated with a bonding pad arranged on the support body; the chip is provided with a dispensing condenser; the lens is arranged above the bowl cup and fastened with the bracket body, and a cavity body is arranged between the lens and the bowl cup. The cavity is arranged, so that the filling of packaging materials in the bowl cup can be effectively reduced, the light-emitting angle of the chip can be effectively adjusted through the arrangement of the dispensing condenser and the lens, and the performance of the cavity optical device is effectively improved.
Description
Technical Field
The utility model relates to the technical field of illumination, in particular to a cavity optical device.
Background
Along with the development of security protection, illumination trade, this trade also more and more requires LED lamp pearl, needs LED lamp pearl can satisfy the requirement that lasts circular telegram and light decay is less in product use, requires LED lamp pearl size as little as possible in product overall dimension, requires product luminous intensity big and need satisfy the angle requirement that the product light source covered in product application. LED lamp pearl under prior art is when encapsulating the chip, mostly through filling up the colloid in the bowl cup, later encapsulates the chip through the mode of mould pressing again, and LED lamp pearl that designs with this mode not only has the silver colloid to peel off and the light decay risk, but also can waste a lot of encapsulating materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cavity optical device, which can reduce the use of packaging materials in a bowl cup, and can effectively improve the optical performance and reliability of the cavity optical device through the arrangement of a spot gluing condenser and a lens.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a cavity optic, comprising:
the support comprises a support body, wherein a bowl cup is concavely arranged on the upper surface of the support body, a chip is arranged at the bottom of the bowl cup, and the chip is communicated with a bonding pad arranged on the support body; the chip is provided with a dispensing condenser;
the lens is arranged above the bowl cup and fastened with the bracket body, and a cavity body is arranged between the lens and the bowl cup.
The lens is an arc-shaped cavity lens, and at least one light guide unit used for adjusting the light emitting angle of the chip is arranged on the inner arc surface and/or the outer arc surface of the lens.
The light guide unit is formed by combining a plurality of cambered surfaces.
The bowl cup is arranged in a frustum shape, and the area of the end opening of the bowl cup is larger than the bottom area of the bowl cup.
The spot gluing condenser is formed by solidifying in a spot gluing mode, the outer surface of the spot gluing condenser is in a spherical shape after solidification, and the spot gluing condenser is adhered to the inner bottom surface of the bowl cup.
The lens is integrally molded by epoxy resin, silica gel, glass or acrylic materials.
The bowl comprises a bowl cup body, a bowl cover, a support body, a bowl cup bottom surface, a bonding pad, a chip and a chip, wherein a solid crystal area and a bonding wire area are arranged on the inner bottom surface of the bowl cup body, the bottom surface of the support body is provided with the bonding pad, the solid crystal area and the bonding wire area are respectively communicated with the bonding pad, and the chip is arranged in the solid crystal area through silver colloid.
Wherein, the lens is bonded with the bracket body.
The utility model has the beneficial effects that: the utility model discloses a cavity optical device, which comprises a bracket body and a lens, wherein a bowl cup is concavely arranged on the upper surface of the bracket body, a chip is arranged at the bottom of the bowl cup, and the chip is communicated with a bonding pad arranged on the bracket body; the chip is provided with a dispensing condenser; the lens is arranged above the bowl cup and fastened with the bracket body, and a cavity body is arranged between the lens and the bowl cup. The cavity is arranged, so that the filling of packaging materials in the bowl cup can be effectively reduced, the light-emitting angle of the chip can be effectively adjusted through the arrangement of the dispensing condenser and the lens, and the performance of the cavity optical device is effectively improved.
Drawings
Fig. 1 is a schematic structural view of a cavity optical device in this embodiment.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a bottom view of fig. 1.
Fig. 4 is a schematic structural view of the hollow-cavity optical device provided with the first type lens in the present embodiment.
Fig. 5 is a schematic structural view of the hollow optical device provided with the second type lens in the present embodiment.
In the figure:
1. a stent body; 11. a bowl cup; 12. a pad; 2. a lens; 3. a chip; 4. and dispensing a light gathering body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
FIG. 1 is a schematic diagram of a cavity optical device according to the present embodiment; FIG. 2 is a top view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1; FIG. 4 is a schematic diagram of a hollow-cavity optical device provided with a first type lens according to the present embodiment; fig. 5 is a schematic structural view of the hollow optical device provided with the second type lens in the present embodiment. With reference to fig. 1 to 5, the present embodiment provides a cavity optical device, including a support body 1 and a lens 2, wherein a bowl 11 is concavely disposed on an upper surface of the support body 1, a die bonding area and a wire bonding area are disposed at a bottom of the bowl 11, a chip 3 is bonded in the die bonding area through silver paste, a pad 12 is further disposed on a lower bottom surface of the support body 1, and the die bonding area and the wire bonding area are respectively communicated with the pad 12; preferably, in order to reduce the light attenuation of the product, protect the chip 3 well and reduce the risk of silver paste peeling, the chip 3 is further provided with the dispensing light-gathering body 4, the dispensing light-gathering body 4 is formed by curing in a dispensing manner, the cured dispensing light-gathering body 4 wraps the chip 3 and is bonded with the inner bottom surface of the bowl 11, and the outer surface of the dispensing light-gathering body 4 is arranged in a spherical shape, so that a good light-gathering effect is achieved; preferably, the dispensing light-gathering body 4 in this embodiment may be made of epoxy silicone, which has advantages of convenient curing, strong adhesion, low shrinkage, high chemical stability, and the like, and can effectively improve the reliability of the cavity optical device.
Still more specifically, above-mentioned bowl cup 11 in this embodiment is the frustum form setting, and the port area of bowl cup 11 is greater than the bottom surface area of bowl cup 11, with this structural design's bowl cup 11, form a great cavity with bonding in the cooperation of the lens 2 of stake body 1 top after, with the correlation technique, compare the mode of encapsulating chip 3 through the mode of filling a large amount of epoxy silica gel in bowl cup 11, this implementation is through the setting of some glue spotlight body 4 and cavity, can effectively reduce the use amount of epoxy silica gel, then effectively reduce this cavity optical device's manufacturing cost.
Furthermore, as preferred, lens 2 in this embodiment bonds with support body 1, and lens 2 is provided with multiple specification, lens 2 adopts epoxy, silica gel, the integrative compression molding of glass or ya keli material, lens 2 after the shaping sets up to arc cavity lens 2, the intrados and/or the extrados of lens 2 are provided with one at least and are used for adjusting the light guide unit of the luminous angle of chip 3, as further preferred, light guide unit is formed by the combination of a plurality of cambered surfaces, so through the optical design that predetermines, satisfy the luminous demand of this cavity optical device, in addition, this embodiment can also set up lens 2 as shown in fig. 4, fig. 5 as required, with this better satisfied luminous demand of predetermineeing.
Adopt above-mentioned structural design's cavity optical device, not only can be through the setting of cavity, effectively reduce the use of epoxy silica gel material, avoid appearing layering, bubble between the colloid of stake body 1 and packing bad, can also effectively reduce product light decay and silver glue and peel off the risk through the setting of some glue condensing member 4 simultaneously, in addition, can also pass through the setting of lens 2, effectively satisfy the customer to the requirement of aspects such as product luminous angle, luminous intensity.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. A cavity optical device, comprising:
the support comprises a support body (1), wherein a bowl cup (11) is concavely arranged on the upper surface of the support body (1), a chip (3) is arranged at the bottom of the bowl cup (11), and the chip (3) is communicated with a bonding pad (12) arranged on the support body (1); the chip (3) is provided with a dispensing light gathering body (4);
the lens (2) is arranged above the bowl cup (11) and fastened with the bracket body (1), and a cavity body is arranged between the lens (2) and the bowl cup (11).
2. A cavity optical device according to claim 1, characterized in that the lens (2) is configured as an arc-shaped cavity lens, and the intrados and/or extrados of the lens (2) is provided with at least one light guiding unit for adjusting the light emitting angle of the chip (3).
3. A cavity optical device according to claim 2, wherein said light guiding unit is formed by combining a plurality of curved surfaces.
4. A cavity optics according to claim 1, characterized in that the bowl (11) is frustoconical and the port area of the bowl (11) is larger than the base area of the bowl (11).
5. A cavity optical device as claimed in claim 1, wherein said spot-dispensing light-focusing body (4) is formed by curing in a spot-dispensing manner, the outer surface of said spot-dispensing light-focusing body (4) after curing is arranged in a spherical shape, and said spot-dispensing light-focusing body (4) is bonded to the inner bottom surface of said bowl (11).
6. A cavity optical device according to claim 2, wherein the lens (2) is integrally molded from epoxy, silicone, glass or acrylic.
7. A cavity optical device according to claim 1, wherein a die bonding area and a bonding wire area are arranged on the inner bottom surface of the bowl cup (11), the bonding pad (12) is arranged on the bottom surface of the support body (1), the die bonding area and the bonding wire area are respectively communicated with the bonding pad (12), and the chip (3) is arranged on the die bonding area through silver paste.
8. A cavity optics according to claim 2, characterized in that the lens (2) is bonded to the holder body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220459207.5U CN216872006U (en) | 2022-03-04 | 2022-03-04 | Cavity optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220459207.5U CN216872006U (en) | 2022-03-04 | 2022-03-04 | Cavity optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216872006U true CN216872006U (en) | 2022-07-01 |
Family
ID=82161486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220459207.5U Active CN216872006U (en) | 2022-03-04 | 2022-03-04 | Cavity optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216872006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117878020A (en) * | 2024-01-16 | 2024-04-12 | 广东省旭晟半导体股份有限公司 | Production process of cavity optical device |
| CN117976799A (en) * | 2024-03-28 | 2024-05-03 | 广东省旭晟半导体股份有限公司 | Packaging method for improving light emitting efficiency of LED packaging device |
-
2022
- 2022-03-04 CN CN202220459207.5U patent/CN216872006U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117878020A (en) * | 2024-01-16 | 2024-04-12 | 广东省旭晟半导体股份有限公司 | Production process of cavity optical device |
| CN117878020B (en) * | 2024-01-16 | 2024-07-12 | 广东省旭晟半导体股份有限公司 | Production process of cavity optical device |
| CN117976799A (en) * | 2024-03-28 | 2024-05-03 | 广东省旭晟半导体股份有限公司 | Packaging method for improving light emitting efficiency of LED packaging device |
| CN117976799B (en) * | 2024-03-28 | 2024-06-11 | 广东省旭晟半导体股份有限公司 | Packaging method for improving light emitting efficiency of LED packaging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A cavity optical device Granted publication date: 20220701 Pledgee: Heyuan Branch of China Construction Bank Co.,Ltd. Pledgor: Guangdong Xusheng Semiconductor Co.,Ltd. Registration number: Y2024980023706 |
|
| CP03 | Change of name, title or address |
Address after: Building 1, Shenhe Chuangzhi Industrial Park, High-tech Development Zone, Heyuan City, Guangdong Province, 517000 Patentee after: Guangdong Xusheng Optoelectronic Technology Co.,Ltd. Country or region after: China Address before: 517025 Building 1, Shenhe Chuangzhi Industrial Park, high tech Development Zone, Heyuan City, Guangdong Province Patentee before: Guangdong Xusheng Semiconductor Co.,Ltd. Country or region before: China |