CN220172155U

CN220172155U - Flash lamp light source structure and lamp plate

Info

Publication number: CN220172155U
Application number: CN202320601305.2U
Authority: CN
Inventors: 覃胜广; 韩婷婷; 龚伟斌
Original assignee: Shenzhen Refond Optoelectronics Co Ltd
Current assignee: Shenzhen Refond Optoelectronics Co Ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-12-12
Anticipated expiration: 2033-03-17

Abstract

The utility model relates to the technical field of LED display, in particular to a flash light source structure and a lamp panel, wherein the flash light source structure comprises a substrate and a plurality of LED chips which are uniformly distributed on the substrate, one side of each LED chip, far away from the substrate, is covered with a packaging layer, and one side, far away from the substrate, of each packaging layer is covered with a lens; defining one end of the lens far away from the substrate as a top, wherein the top bulges towards the direction far away from the LED chip; the substrate, the LED chip, the packaging layer and the lens are sequentially arranged into a multi-layer structure, the top of the lens is raised to be similar to a semicircular design, when the LED chip emits light, the packaging layer is used for primary transmission, and the lens is used for secondary transmission, so that the display effect of the flash light source structure is improved, and the visual effect is improved; and the packaging layer can bond the LED chip on the substrate, can increase the stability of lens cover setting, can also protect the LED chip, avoid steam to get into and influence the LED chip and give out light.

Description

Flash lamp light source structure and lamp plate

[ field of technology ]

The utility model relates to the technical field of LED display, in particular to a flash light source structure and a lamp panel.

[ background Art ]

Along with the refinement of LED display technology, LED flash light is gradually replacing traditional gaseous flash light as novel light source, and it can continuously give out light, and the luminous process is easy to control, and the consumption is little can practice thrift a large amount of electric energy, and current LED flash light adopts fixed focal length's lens generally, lead to its facula in the use to be fixed unchangeable for the display effect is not good, and the contrast effect of color bright and dark is relatively poor, and visual effect also has certain influence, even use zoom lens, but this kind of lens is bulky, and the structure is complicated, does not adapt to the market of frivolous development.

[ utility model ]

The utility model provides a flash lamp light source structure and a lamp panel, which aim to solve the technical problem that the display effect of the existing LED flash lamp is poor.

The utility model provides a flash light source structure, which comprises a substrate and a plurality of LED chips uniformly distributed on the substrate, wherein one side of the LED chips far away from the substrate is covered with a packaging layer, and one surface of the packaging layer far away from the substrate is covered with a lens; defining one end of the lens away from the substrate as a top, wherein the top bulges towards the direction away from the LED chip; the top is equidistantly arranged with a plurality of protruding that the crossing formation of edge has been arranged to the edge.

Preferably, the LED chip is an RGB chip, and the RGB chip is packaged by adopting a red, green and blue chip set; alternatively, the LED chip is a blue light chip.

Preferably, the encapsulation layer is a fluorescent layer; the fluorescent layer comprises a top surface close to the lens and a side surface perpendicular to the top surface, and the side surface is provided with a reflecting structure.

Preferably, the shape of the substrate is any one of a circle or a polygon.

Preferably, the thickness of the fluorescent layer is 0.1mm-0.4mm.

Preferably, the spacing between the adjacently disposed LED chips is greater than twice the thickness of the LED chips.

Preferably, the interval between any two adjacent LED chips is 0.1mm-0.5mm.

Preferably, the thickness of the flash light source structure is 0.3mm-1mm.

A further aspect of the present utility model provides a lamp panel, which includes a substrate and at least one flash light source structure as set forth in any one of the preceding claims, wherein the flash light source structure is distributed on the substrate.

Compared with the prior art, the flashlight light source structure and the lamp panel provided by the utility model have the following advantages:

1. the utility model provides a flash light source structure, which comprises a substrate and a plurality of LED chips uniformly distributed on the substrate, wherein one side of the LED chips far away from the substrate is covered with a packaging layer, and one side of the packaging layer far away from the substrate is covered with a lens; defining one end of the lens far away from the substrate as a top, wherein the top bulges towards the direction far away from the LED chip; the substrate, the LED chip, the packaging layer and the lens are sequentially arranged into a multi-layer structure, the top of the lens is raised to be similar to a semicircular design, when the LED chip emits light, the packaging layer is used for primary transmission, and the lens is used for secondary transmission, so that the display effect of the flash light source structure is improved, and the visual effect is improved; and the packaging layer can bond the LED chip on the substrate, can increase the stability of lens cover setting, can also protect the LED chip, avoid steam to get into and influence the LED chip and give out light.

2. The top provided by the embodiment of the utility model is provided with the plurality of edges and the bulges formed by intersecting the edges at equal intervals, and the luminous surface is increased by the edge design of the top, so that the light condensing effect of the light rays emitted by the LED chip is better, and the display effect is improved.

3. The LED chip provided by the embodiment of the utility model is an RGB chip, and the RGB chip is packaged by adopting a red, green and blue chip set; or the LED chip is a blue light chip, wherein the RGB chip can be used for preparing white light through light distribution, and the blue light chip and yellow fluorescent powder in the packaging layer are also used for emitting white light, so that the visual effect is improved.

4. The packaging layer provided by the embodiment of the utility model is a fluorescent layer, the fluorescent layer comprises a top surface close to the lens and a side surface perpendicular to the top surface, the side surface is provided with a reflecting structure, namely the top surface of the fluorescent layer is attached to one end of the lens close to the substrate, the fluorescent layer can better utilize light rays emitted by the LED chip, the reflecting structure plays a role in reflecting, and the two can achieve the purposes of reducing loss of a light source and improving the display effect.

5. The shape of the substrate provided in the embodiment of the utility model is any one of a circle or a polygon, that is, the encapsulation layer and the lens are also arranged in corresponding shapes so as to adapt to different requirements in the market.

6. The thickness of the fluorescent layer provided by the embodiment of the utility model is 0.1mm-0.4mm; the thickness of the flash light source structure is 0.3mm-1mm, the arrangement is favorable for the light and thin development of products, and the light emitting consistency of the products is better.

7. The interval between the adjacent LED chips provided by the embodiment of the utility model is more than twice the thickness of the LED chips, and the interval between any two adjacent LED chips is 0.1-0.5 mm, so that the LED chips are used for improving the luminous angle, so that the LED chips cannot be mutually extruded, and the visual effect of a flash light source structure is prevented from being reduced.

8. The utility model also provides a lamp panel, which has the same beneficial effects as the structure of the flash lamp light source, and the description is omitted here.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a top view of a flashlight light source structure according to a first embodiment of the present utility model

Fig. 2 is a schematic cross-sectional view of a flashlight light source structure according to a first embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view of a flashlight light source structure according to a first embodiment of the present utility model.

Fig. 4 is a diagram illustrating an example of a light path of light emitted from an LED chip of a flash light source structure according to a first embodiment of the present utility model.

Fig. 5 is a schematic block diagram of a lamp panel according to a second embodiment of the present utility model.

The attached drawings are used for identifying and describing:

1. a flash light source structure; 2. a lamp panel;

10. a substrate; 11. an LED chip; 12. an encapsulation layer; 13. a lens; 20. a substrate;

110. a light-emitting surface; 111. a side light-emitting surface; 120. a fluorescent layer; 130. a top; 131. an edge;

1200. a top surface; 1201. a side surface; 1310. a protrusion.

[ detailed description ] of the utility model

For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "first" and "second" and the like in the description and the claims of the present utility model are used for distinguishing between different objects and not for describing a particular sequential order.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 and 2, a first embodiment of the present utility model provides a flash light source structure 1, which includes a substrate 10 and a plurality of LED chips 11 uniformly distributed on the substrate 10, wherein one side of the LED chips 11 far away from the substrate 10 is covered with a packaging layer 12, and a lens 13 is covered on one side of the packaging layer 12 far away from the substrate 10; the end of the lens 13 away from the substrate 10 is defined by a top 130, the top 130 being raised away from the LED chip 11.

It can be understood that the substrate 10, the LED chip 11, the encapsulation layer 12 and the lens 13 are sequentially arranged as a multi-layer structure, and the top 130 of the lens 13 is raised to be similar to a semicircular design, when the LED chip 11 emits light, the encapsulation layer 12 is used for primary transmission, and the lens 13 is used for secondary transmission, so that the display effect of the flash light source structure 1 is improved, and the visual effect is improved; the encapsulation layer 12 can bond the LED chip 11 on the substrate 10, can increase the stability of covering the lens 13, and can protect the LED chip 11 from water vapor entering to influence the light emission of the LED chip 11.

As an alternative embodiment, the lens 13 is a light-transmitting lens, and the material includes but is not limited to PMMA, silicone, and other materials with high transmittance.

Further, the shape of the substrate 10 is any one of a circle or a polygon, it can be stated that when the shape of the substrate 10 is fixed, the encapsulation layer 12 and the lens 13 are also configured to be corresponding shapes along with the substrate 10, so as to adapt to different demands on the market.

Preferably, the shape of the substrate 10 is circular, and this arrangement enables the entire flash light source structure 1 to achieve 360 ° uniform light emission, which is advantageous for improving the display effect.

Please refer to fig. 3 and 4, further, the top 130 is provided with a plurality of edges 131 and protrusions 1310 intersecting the edges 131 at equal intervals, and the light emitting surface is increased by designing the edges 131 of the top 130, so that the light condensing effect of the light emitted by the LED chip 11 is better, and the display effect is improved.

Specifically, there is the refractive index difference between lens 13 and the air interface for light is at the interface refraction of air and lens 13 contact, does benefit to the opening of light-emitting angle, and the equidistant spaced setting of edge 131 makes protruding 1310 corresponding equidistance too, has increased the luminous angle for lens 13, and the better display effect of spotlight effect is promoted.

Further, the encapsulation layer 12 is the fluorescent layer 120, the fluorescent layer 120 includes a top surface 1200 close to the lens 13 and a side surface 1201 perpendicular to the top surface 1200, the side surface 1201 is provided with a reflective structure, that is, the top surface 1200 of the fluorescent layer 120 is attached to one end of the lens 13 close to the substrate 10, and the fluorescent layer 120 can better utilize light emitted by the LED chip 11, and the reflective structure plays a role in reflection, so that both the purposes of reducing loss of the light source and improving the display effect can be achieved.

Optionally, the reflecting structure is a structure capable of reflecting the light source, such as a reflecting film or a reflecting layer filled with a reflecting medium, and the arrangement can reflect the light source for multiple times, thereby improving the utilization rate of the light source and reducing the loss of the light source.

It can be noted that, the fluorescent layer 120 is made by mixing yellow fluorescent powder and glue, which can further ensure the light distribution effect of the RGB chip, and after the fluorescent layer 120 absorbs the incident light with short wavelength, part of the absorbed energy is directly or indirectly converted into internal energy, and the other part is emitted in the form of emergent light with long wavelength, so as to reduce the energy loss of the light source.

Further, the LED chip 11 is an RGB chip, and the RGB chip is packaged by adopting a set of red, green and blue chips, or the LED chip 11 is a blue light chip, where the RGB chip can be used to mix white light through light distribution, and the blue light chip and the fluorescent layer 120 are matched with each other to emit white light, so that the visual effect is improved.

It can be stated that the RGB chip refers to a chip packaged by adopting a red light chip, a green light chip and a blue light chip set, and integrates three primary colors of light, so that the RGB chip not only can independently emit red light, green light, blue light and the like, but also can be used for adjusting any other color such as white light and the like through light distribution, namely, the RGB chip can more conveniently and rapidly realize various color conversion, and simultaneously realize various flickering modes, so that the flash light source structure 1 can adapt to more places and has better visual effect.

The blue light chip and the fluorescent layer 120 are matched with each other, which means that the blue light emitted by the blue light chip irradiates the fluorescent layer 120, and the yellow fluorescent powder is excited to generate white light, so that the display effect of the flash lamp light source structure 1 is better.

Further, the thickness h of the fluorescent layer 120 ₀ (h as shown in FIG. 3 ₀ ) 0.1mm-0.4mm; the device is suitable for the light and thin market and also ensures the light source of the flash lampDisplay effect of structure 1.

Specifically, when the thickness h of the fluorescent layer 120 ₀ If the color is thinner, the intensity of the white light is insufficient, which leads to color distortion of the RGB chip to a certain extent; when the thickness h of the fluorescent layer 120 ₀ When the thickness is larger, visible light is reflected to form a barrier to the visible light, so that the emergent light of the LED chip 11 is not easy to emit to the lens 13, and the light intensity of the flash light source structure 1 is affected.

Further, the thickness h (h shown in fig. 3) of the flash light source structure 1 is 0.3mm-1mm, and the arrangement is favorable for the development of light and thin products and the light emitting consistency of the products is better.

Further, the spacing d (d as shown in fig. 3) between adjacently disposed LED chips 11 is greater than twice the thickness h of the LED chips 11 ₁ (h as shown in FIG. 3 ₁ ) And the interval d between any two adjacent LED chips 11 is 0.1mm-0.5mm, this setting is used for improving the luminous angle of LED chips 11, makes it can not extrudeed each other, avoids reducing the visual effect of flash light source structure 1.

Referring to fig. 4, optionally, the LED chip 11 includes a front light-emitting surface 110 far from the side of the substrate 10 and a side light-emitting surface 111 perpendicular to the substrate 10, and the light emitted from the LED chip 11 is transmitted through the front light-emitting surface 110 and the side light-emitting surface 111.

To better illustrate, the light path of one of the LED chips 11 is illustrated, specifically, when the LED chip 11 emits light for display, the light emitted from the front light emitting surface 110 and the side light emitting surface 111 uniformly refracts for the first time through the fluorescent layer 120, the light is emitted into the lens 13, the light is formed into ring light by the design of the bulge of the lens 13, so that the ring light is uniformly dispersed, stray light is reduced, and then the second refraction is performed through the interface between the lens 13 and the air, so as to improve the overall brightness of the flash light source structure 1.

Referring to fig. 5, a lamp panel 2 according to a second embodiment of the present utility model includes a substrate 20 and at least one flash light source structure 1 according to the first embodiment of the present utility model, wherein the flash light source structure 1 is distributed on the substrate 20, and it can be stated that light emitted by the LED chip 11 forms a ring light through the encapsulation layer 12 and the lens 13, so as to improve the display effect of the lamp panel 2, and the practicality is strong.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims

1. A flash light source structure, characterized in that: the LED packaging structure comprises a substrate and a plurality of LED chips which are uniformly distributed on the substrate, wherein one side of the LED chips, which is far away from the substrate, is covered with a packaging layer, and one side of the packaging layer, which is far away from the substrate, is covered with a lens; defining one end of the lens away from the substrate as a top, wherein the top bulges towards the direction away from the LED chip; the top is equidistantly arranged with a plurality of protruding that the crossing formation of edge has been arranged to the edge.

2. A flash light source structure as recited in claim 1, wherein: the LED chip is an RGB chip, and the RGB chip is packaged by adopting a red, green and blue chip set; alternatively, the LED chip is a blue light chip.

3. A flash light source structure as recited in claim 1, wherein: the packaging layer is a fluorescent layer; the fluorescent layer comprises a top surface close to the lens and a side surface perpendicular to the top surface, and the side surface is provided with a reflecting structure.

4. A flash light source structure as recited in claim 1, wherein: the shape of the substrate is any one of a circle and a polygon.

5. A flash light source structure as recited in claim 3, wherein: the thickness of the fluorescent layer is 0.1mm-0.4mm.

6. A flash light source structure as recited in claim 1, wherein: the distance between the adjacent LED chips is larger than twice the thickness of the LED chips.

7. A flash light source structure as recited in claim 6, wherein: the spacing between any two adjacent LED chips is 0.1mm-0.5mm.

8. A flash light source structure as recited in claim 1, wherein: the thickness of the flash lamp light source structure is 0.3mm-1mm.

9. A lamp plate, characterized in that: comprising a substrate and at least one flash light source structure as claimed in any one of claims 1 to 8, said flash light source structure being distributed on said substrate.