CN217134398U - High light efficiency light source - Google Patents
High light efficiency light source Download PDFInfo
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- CN217134398U CN217134398U CN202123443501.1U CN202123443501U CN217134398U CN 217134398 U CN217134398 U CN 217134398U CN 202123443501 U CN202123443501 U CN 202123443501U CN 217134398 U CN217134398 U CN 217134398U
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Abstract
The embodiment of the utility model discloses high light efficiency light source relates to photoelectric equipment technical field. The high-luminous-efficiency light source comprises a substrate, a light emitting unit and a packaging assembly. Wherein, the light-emitting unit is arranged on the substrate. The packaging assembly comprises a light-transmitting piece. The light emitting unit and the light transmitting member are sequentially arranged along a light path. The light emitted by the light emitting unit can be transmitted out through the light transmitting member. Furthermore, the packaging assembly further comprises a light reflecting piece, and the light reflecting piece is arranged on the substrate in a surrounding mode of the light emitting unit. The light that the reflector was sent luminous element circumference shelters from to the light that makes the luminous element transmission can go out through the light-transmitting part transmission along the light path. Further, the light reflecting member can form a concave first arc surface between the light emitting unit and the substrate. The light that the luminescence unit directive was passed through the printing opacity piece can partially take place the reflection at printing opacity piece and air juncture, and the light of reflection passes through first cambered surface reflection, passes through the printing opacity piece once more and transmits away, the effectual luminous efficacy and the light efficiency that have improved high light efficiency light source.
Description
Technical Field
The utility model relates to a photoelectric equipment technical field especially relates to a high light efficiency light source.
Background
In the process of light source production, a light source needs to be packaged, the traditional light source packaging mainly adopts a powder spraying process, but the yield of the traditional powder spraying process to the light source packaging is poor, and the light emitting rate, the light efficiency and the light color consistency are poor.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a high-luminous-efficiency light source, which aims to solve the problems of poor yield of light source package, and poor light-emitting efficiency, luminous efficiency and light color consistency.
In order to achieve the above object, the utility model adopts the following technical means:
a high light efficiency light source comprising:
a substrate;
the light-emitting unit is arranged on the substrate and provided with a light-emitting side, and the light-emitting unit comprises a first plane positioned on the light-emitting side; and
the encapsulation subassembly, the encapsulation subassembly includes reflection of light spare and printing opacity piece, the reflection of light spare encircles the luminescence unit is located the base plate will the first plane dew is established, and the luminescence unit with form the first cambered surface of indent between the base plate, the luminescence unit with the printing opacity piece sets gradually along the light path.
In some embodiments of the high luminous efficacy light source, the light emitting unit is an LED light emitting chip, the high luminous efficacy light source further includes a fluorescent glue film, the fluorescent glue film is disposed on the first plane, and the first arc surface extends to the fluorescent glue film.
In some embodiments of the high-luminous-efficiency light source, the package assembly further includes a transparent member, a gap exists between the light emitting unit and the reflective member, the light emitting unit, the reflective member and the fluorescent adhesive film are enclosed to form an accommodation space, and the transparent member is complementary to the accommodation space.
In some embodiments of the high light efficiency light source, a radial dimension of the fluorescent glue film is greater than a radial dimension of the light emitting unit by L, wherein L is 2 times a thickness of the LED light emitting chip.
In some embodiments of the high light efficiency light source, the light reflecting member has a second arc surface protruding outward to one side of the accommodating space.
In some embodiments of the high light efficiency light source, the light-transmitting member is attached to the fluorescent glue film and the first arc surface.
In some embodiments of the high light efficiency light source, the light transmissive member is connected to the substrate through the light reflective member.
In some embodiments of the high-luminous-efficiency light source, the substrate is made of ceramic.
In some embodiments of the high light efficiency light source, the transparent member is made of transparent silicone.
In some embodiments of the high light efficiency light source, the light reflecting member is made of white glue.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
the high-luminous-efficiency light source is applied to illumination, indication or screen display, and the light-emitting efficiency and the luminous efficiency can be improved. Specifically, the high-luminous-efficiency light source comprises a substrate, a light emitting unit and a packaging assembly. Wherein, the light-emitting unit is arranged on the substrate. The packaging assembly comprises a light-transmitting piece. The light emitting unit and the light transmitting member are sequentially arranged along a light path. The light emitted by the light emitting unit can be transmitted out through the light transmitting member. Furthermore, the packaging assembly further comprises a light reflecting piece, and the light reflecting piece is arranged on the substrate in a surrounding mode of the light emitting unit. The light that the reflector was sent luminous element circumference shelters from to the light that makes the luminous element transmission can go out through the light-transmitting part transmission along the light path. Further, the light reflecting member can form a concave first arc surface between the light emitting unit and the substrate. The light that the luminescence unit directive was passed through the printing opacity piece can partially take place the reflection at printing opacity piece and air juncture, and the light of reflection passes through first cambered surface reflection, passes through the printing opacity piece once more and transmits away, the effectual luminous efficacy and the light efficiency that have improved high light efficiency light source.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a cross-sectional view of a high light efficiency light source in one embodiment;
fig. 2 is an enlarged layout structure diagram of a portion a in fig. 1.
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 efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
In the process of light source production, a light source needs to be packaged, the traditional light source packaging mainly adopts a powder spraying process, but the yield of the traditional powder spraying process to the light source packaging is poor, and the light emitting rate, the light efficiency and the light color consistency are poor.
In order to solve the above technical problems, embodiments of the present application provide a high light efficiency light source, which can be used in a lighting device or a display device for lighting, indication, or displaying a screen, so as to improve light extraction efficiency, light efficiency, and light color consistency.
Please refer to fig. 1 to fig. 2, the high luminous efficacy light source of the present invention will be described. The high luminous efficiency light source comprises a substrate 3, a light emitting unit 1 and a packaging assembly 2. The substrate 3, the light emitting unit 1 and the packaging assembly 2 can be integrally formed, and when the high-light-efficiency light source collides or falls, the light emitting unit 1 can be protected. It is understood that in other embodiments, the light emitting unit 1 and the package assembly 2 may be disposed on the substrate 3 one by one. Specifically, the light emitting unit 1 is disposed on the substrate 3, the light emitting unit 1 has a light emitting side, the light emitting unit 1 includes a first plane located on the light emitting side, the package assembly 2 includes a reflective member 22 and a transparent member 23, the reflective member 22 surrounds the light emitting unit 1 and is disposed on the substrate 3, the first plane is exposed, a concave first arc surface 211 is formed between the light emitting unit 1 and the substrate 3, and the light emitting unit 1 and the transparent member 23 are sequentially disposed along a light path.
In summary, the implementation of the technical solution of the present embodiment has the following beneficial effects: the high-luminous-efficiency light source comprises a substrate, a light emitting unit and a packaging assembly. Wherein, the light-emitting unit is arranged on the substrate. The packaging assembly comprises a light-transmitting piece. The light emitting unit and the light transmitting member are sequentially arranged along a light path. The light emitted by the light emitting unit can be transmitted out through the light transmitting member. Furthermore, the packaging assembly further comprises a light reflecting piece, and the light reflecting piece is arranged on the substrate in a surrounding mode of the light emitting unit. The light that the reflector was sent luminous element circumference shelters from to the light that makes the luminous element transmission can go out through the light-transmitting part transmission along the light path. Further, the light reflecting member can form a concave first arc surface between the light emitting unit and the substrate. The light that the luminescence unit directive was passed through the printing opacity piece can partially take place the reflection at printing opacity piece and air juncture, and the light of reflection passes through first cambered surface reflection, passes through the printing opacity piece once more and transmits away, the effectual luminous efficacy and the light efficiency that have improved high light efficiency light source.
Preferably, on the basis of the above embodiment, the light emitting unit 1 is an LED light emitting chip, in this embodiment, the light emitting unit 1 can emit blue light, the high luminous efficiency light source further includes a fluorescent glue film 4, and the color of the phosphor in the fluorescent glue film 4 is yellow. Fluorescent glue film 4 locates first plane, and luminescence unit 1 can launch blue light to fluorescent glue film 4 on, and the blue light of luminescence unit 1 transmission can be converted into white light through the yellow phosphor powder in fluorescent glue film 4, and the light and color uniformity of 4 transmission lights through fluorescent glue film is better, and the output yield is higher. Preferably, the high luminous efficiency light source can emit light of different colors by changing the color of the light emitted by the light emitting unit 1 and the color of the phosphor in the phosphor film 4. The first arc surface 211 extends to the fluorescent glue film 4, so that the light emitted from the light emitting unit 1 in the circumferential direction can be shielded by the reflective member 22, and the light emitted from the light emitting unit 1 can be emitted along the light path.
As shown in fig. 1, in addition, in further embodiments, the package assembly 2 further includes a transparent member 21. There is the clearance between luminescence unit 1 and the reflector 2, and luminescence unit 1, reflector 2 and fluorescence glued membrane 4 enclose to establish and form accommodating space, and transparent 21 is complementary in accommodating space, and the light of LED luminescence chip circumference can be launched to second cambered surface 221 to can follow the light path and launch, thereby improve the luminous efficiency of LED luminescence chip circumference.
As shown in fig. 1, in addition, the radial dimension of the fluorescent glue film 4 is greater than the radial dimension of the light emitting unit 1 by L, wherein L is 2 times the thickness of the LED light emitting chip, so that the fluorescent glue film 4 can effectively shield the light emitted by the LED light emitting chip, and the light emitting effect is ensured.
As shown in fig. 1 and fig. 2, further, the light-reflecting member 22 has a second arc surface 221 protruding outward to one side of the accommodating space, so that light emitted in the circumferential direction of the LED light-emitting chip is effectively emitted to the second arc surface 221, and thus light emitted in the circumferential direction of the LED light-emitting chip is reflected to the fluorescent glue film 4, and the light-emitting effect is effectively improved.
As shown in fig. 1, further, the light-transmitting member 23 is attached to the fluorescent glue film 4 and the first arc surface 211, so that a gap is prevented from occurring inside, and the light emitting effect and the light effect of the high-light-efficiency light source are affected.
In addition, the light-transmitting member 23 is connected to the substrate 3 through the light-reflecting member 22, so as to ensure the overall packaging effect of the high-luminous-efficiency light source and the stability of the high-luminous-efficiency light source. Further, the light-transmitting member 23 may be a silicone lens or a member made of other material capable of transmitting light. Preferably, in this embodiment, the light-transmitting member 23 is a silica gel lens, so that the light-transmitting member 23 has the properties of good strength, falling resistance, good light transmittance, high temperature resistance and difficult damage.
As shown in fig. 1, the substrate 3 is made of ceramic, and the ceramic substrate is generally made of alumina ceramic or AIN ceramic crystal, and has good heat dissipation, good insulation, good electrical performance and corrosion resistance, and heat conductivity of 15W to 170W, and is a heat dissipation material in many application fields. The high-power module generally adopts a ceramic substrate, and can effectively reduce the heat emitted by large current and large voltage based on better heat radiation performance, so that a chip and a product can effectively run. The heat of the LED light-emitting chip is effectively and directly transferred to the ceramic substrate with higher heat conductivity, and the internal heat sink thermal resistance can be reduced.
As shown in fig. 1, further, the transparent member 21 is made of transparent silica gel, so that the light emitted from the LED light emitting chip in the circumferential direction is effectively emitted, and the emitted light is better emitted at the first arc surface 211, thereby improving the light emitting efficiency of the LED light emitting chip.
As shown in fig. 1, further, the material of the light reflecting member 22 is white glue, white light formed by the fluorescent glue film 4 is transmitted out through the light transmitting member 23, meanwhile, part of the white light is reflected at the junction between the light transmitting member 23 and air, and the reflected white light is reflected to the light transmitting member 23 through the first arc surface 211 and transmitted out, so that the light color consistency is ensured.
Alternatively, the high-luminous-efficiency light source can emit light with different colors by changing the color of the light emitted by the light emitting unit 1 and the color of the fluorescent powder in the fluorescent glue film 4, and the light reflecting member 22 is made of materials with different colors according to the different light emitted by the high-luminous-efficiency light source.
Further, the white glue is a medium viscosity glue formed by uniformly mixing silicon dioxide white powder and silica gel. This white glue has elasticity, has better protection to fluorescent glue membrane 4 and luminescence unit 1, plays the effect of buffering in the use, and this high light efficiency light source takes place to fall or when colliding, prevents that fluorescent glue membrane 4 and luminescence unit 1 from damaging.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. A high light efficiency light source, comprising:
a substrate;
the light-emitting unit is arranged on the substrate and provided with a light-emitting side, and the light-emitting unit comprises a first plane positioned on the light-emitting side; and
the encapsulation subassembly, the encapsulation subassembly includes reflection of light spare and printing opacity piece, the reflection of light spare encircles the luminescence unit is located the base plate will the first plane dew is established, and the luminescence unit with form the first cambered surface of indent between the base plate, the luminescence unit with the printing opacity piece sets gradually along the light path.
2. The high luminous efficacy light source as claimed in claim 1, wherein: the light-emitting unit is an LED light-emitting chip, the high-luminous-efficiency light source further comprises a fluorescent glue film, the fluorescent glue film is arranged on the first plane, and the first cambered surface extends to the fluorescent glue film.
3. The high luminous efficacy light source as claimed in claim 2, wherein: the packaging assembly further comprises a transparent piece, a gap exists between the light emitting unit and the reflecting piece, the light emitting unit, the reflecting piece and the fluorescent glue film are arranged in an enclosing mode to form an accommodating space, and the transparent piece is complementary to the accommodating space.
4. The high luminous efficacy light source as claimed in claim 2, wherein: the radial size of the fluorescent glue film is larger than that of the light-emitting unit by L, wherein L is 2 times of the thickness of the LED light-emitting chip.
5. The high luminous efficacy light source as claimed in claim 3, wherein: the light reflecting piece is provided with a second cambered surface protruding outwards towards one side of the accommodating space.
6. The high luminous efficacy light source as claimed in claim 2, wherein: the light-transmitting piece is attached to the fluorescent glue film and the first cambered surface.
7. The high luminous efficacy light source as claimed in claim 1, wherein: the light-transmitting piece is connected with the substrate through the light-reflecting piece.
8. The high luminous efficacy light source as claimed in claim 1 or 7, wherein: the substrate is made of ceramic.
9. The high luminous efficacy light source as claimed in claim 3, wherein: the material of transparent piece is transparent silica gel.
10. The high luminous efficacy light source as claimed in claim 1, wherein: the material of the light reflecting piece is white glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123443501.1U CN217134398U (en) | 2021-12-31 | 2021-12-31 | High light efficiency light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123443501.1U CN217134398U (en) | 2021-12-31 | 2021-12-31 | High light efficiency light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217134398U true CN217134398U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123443501.1U Active CN217134398U (en) | 2021-12-31 | 2021-12-31 | High light efficiency light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217134398U (en) |
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2021
- 2021-12-31 CN CN202123443501.1U patent/CN217134398U/en active Active
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