CN216353096U - Light source module, lighting device and display device - Google Patents
Light source module, lighting device and display device Download PDFInfo
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- CN216353096U CN216353096U CN202122979987.4U CN202122979987U CN216353096U CN 216353096 U CN216353096 U CN 216353096U CN 202122979987 U CN202122979987 U CN 202122979987U CN 216353096 U CN216353096 U CN 216353096U
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Abstract
The utility model relates to a light source module, a lighting device and a display device, wherein the light source module comprises a substrate, an LED light source and a light guide plate; the LED light source is arranged on the substrate and electrically connected with the control circuit, the light guide plate is provided with a groove, the light guide plate is arranged on the substrate, and the LED light source is contained in the groove. According to the light source module, the lighting device and the display device, on one hand, the distance between the light guide plate and the substrate is reduced, so that the overall thickness of the light source module is reduced, the light source module can be applied to more occasions with high requirements on the thickness, and when the light source module is applied to the lighting device or the display device, the structures of the lighting device and the display device can be more compact; on the other hand, because the LED light source is accommodated in the groove, namely the periphery of the LED light source is surrounded by the light guide plate, light emitted from the side surface of the LED light source can pass through the action of the light guide plate on the side surface of the LED light source, so that the LED light source can uniformly emit light, and the problems of overhigh axial light brightness and gray scale are solved.
Description
Technical Field
The utility model relates to the technical field of optics, in particular to a light source module, an illuminating device and a display device.
Background
The light source module is often used as a backlight source and a light emitting source in a display device and a lighting device, and the light emitting of the display device and the lighting device can be realized through the light source module. At present, although the structure of the light source module is relatively stable, the user's requirements for the use of the light source module are still increasing. The light source module is a light source of an illumination device, a display device and the like, and the illumination function of the illumination device or the display function of the display device can be realized through the light source.
The structure of the existing light source module needs to be provided with films such as a light guide plate on the LED light source in order to achieve the required light emitting effect, so that the light energy emitted by the light source module can be uniformly mixed. And because the film layers such as the light guide plate are added, the whole thickness of the light source module is thicker, and the use of the light source module is influenced.
SUMMERY OF THE UTILITY MODEL
Accordingly, there is a need for a light source module, an illumination device and a display device.
A light source module, comprising: the LED light source comprises a substrate, an LED light source and a light guide plate; the LED light source is arranged on the substrate and electrically connected with the control circuit, the light guide plate is provided with a groove, the light guide plate is arranged on the substrate, and the LED light source is contained in the groove.
In one embodiment, the light source module further includes a reflective film disposed on the substrate and surrounding the light guide plate.
In one embodiment, the reflective film includes a reflective side film and a reflective bottom film, the light guide plate is disposed on the substrate through the reflective bottom film, and the reflective side film is disposed on the reflective bottom film and surrounds the light guide plate.
In one embodiment, a side cover of the LED light source, which faces away from the substrate, is provided with a light blocking layer.
In one embodiment, the light guide plate and the LED light source are spaced apart.
In one embodiment, the light source module further includes a heat dissipation layer, and the LED light source is disposed on the substrate through the heat dissipation layer.
In one embodiment, the number of the LED light sources is multiple, a plurality of control lines are disposed on the substrate, each of the control lines corresponds to each of the LED light sources one to one, and each of the LED light sources is disposed on the substrate and electrically connected to the control line corresponding thereto; the number of the light guide plates is multiple, each light guide plate corresponds to each LED light source one by one, each light guide plate is arranged on the substrate, and each LED light source is contained in the groove of the corresponding light guide plate.
In one embodiment, the distances between adjacent LED light sources are equal.
An illumination device comprises the light source module according to any one of the above embodiments.
A display device comprises the light source module in any embodiment.
The utility model has the beneficial effects that: the groove is formed in the light guide plate, the light guide plate is arranged on the substrate, and the LED light source is accommodated in the groove, so that on one hand, the distance from the light guide plate to the substrate is reduced, the overall thickness of the light source module is reduced, the light source module can be applied to more occasions with high requirements on the thickness, and when the light source module is applied to a lighting device or a display device, the structures of the lighting device and the display device can be more compact; on the other hand, because the LED light source is accommodated in the groove, namely the periphery of the LED light source is surrounded by the light guide plate, light emitted from the side surface of the LED light source can pass through the action of the light guide plate on the side surface of the LED light source, so that the LED light source can uniformly emit light, and the problems of overhigh axial light brightness and gray scale are solved.
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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a light source module according to an embodiment;
fig. 2 is a schematic structural view of another view angle of the light source module shown in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model discloses a light source module, which comprises: the LED light source comprises a substrate, an LED light source and a light guide plate; the LED light source is arranged on the substrate and electrically connected with the control circuit, the light guide plate is provided with a groove, the light guide plate is arranged on the substrate, and the LED light source is contained in the groove.
According to the light source module, the groove is formed in the light guide plate, the light guide plate is arranged on the substrate, and the LED light source is accommodated in the groove, so that on one hand, the distance from the light guide plate to the substrate is reduced, the overall thickness of the light source module is reduced, the light source module can be applied to more occasions with high requirements on the thickness, and when the light source module is applied to an illuminating device or a display device, the illuminating device and the display device can be more compact in structure; on the other hand, because the LED light source is accommodated in the groove, namely the periphery of the LED light source is surrounded by the light guide plate, light emitted from the side surface of the LED light source can pass through the action of the light guide plate on the side surface of the LED light source, so that the LED light source can uniformly emit light, and the problems of overhigh axial light brightness and gray scale are solved.
In order to facilitate understanding of the light source module of the present application, the light source module will be further described with reference to the drawings.
As shown in fig. 1 and 2, a light source module 10 includes: a substrate 100, an LED light source 200, and a light guide plate 300. The substrate is used for mounting the LED light source and enabling the LED light source to be electrically connected with the outside. The LED light source is used for emitting light and can emit light with any color of white light, blue light, green light, red light, purple light and the like. The light guide plate is used for improving the effect of light emitted by the LED light source, so that the light is emitted uniformly.
The LED light source module comprises a substrate 100, an LED light source 200, a light guide plate 300 and a light guide plate 300, wherein a control circuit is arranged on the substrate 100, the LED light source 200 is arranged on the substrate 100 and is electrically connected with the control circuit, the light guide plate 300 is provided with a groove 301, the light guide plate 300 is arranged on the substrate 100, and the LED light source 200 is contained in the groove 301.
In the light source module 10, the groove 301 is formed in the light guide plate 300, the light guide plate 300 is arranged on the substrate 100, and the LED light source 200 is accommodated in the groove 301, so that on one hand, the distance from the light guide plate 300 to the substrate 100 is reduced, and the overall thickness of the light source module 10 is reduced, so that the light source module 10 can be applied to more occasions with high requirements on the thickness, and when the light source module is applied to an illumination device or a display device, the structures of the illumination device and the display device can be more compact; on the other hand, because the LED light source 200 is accommodated in the groove 301, that is, the periphery of the LED light source 200 is surrounded by the light guide plate 300, light emitted from the side surface of the LED light source 200 can pass through the light guide plate 300 on the side surface of the LED light source 200, so that the LED light source 200 can emit light uniformly, and the problems of over-high axial light brightness and gray scale are solved.
In one embodiment, the substrate is a printed circuit board, the substrate is provided with an LED pad, and the LED light source is arranged on the LED pad of the substrate and electrically connected with the substrate. In one embodiment, the printed circuit board is provided with a control circuit, so that the LED light source is electrically connected with the outside through the control circuit provided on the printed circuit board.
In one embodiment, the LED light sources are all LED lamp beads. In one embodiment, the LED light source is disposed on the substrate through solder paste and electrically connected to the control circuit. In one embodiment, the light emitting direction of the LED light source includes a direction parallel to the substrate. In one embodiment, the light emitting direction of the LED light source includes a direction perpendicular to the substrate. In one embodiment, the light emitting direction of the LED light source includes a direction parallel to the substrate and a direction perpendicular to the substrate. In one embodiment, the light emitting direction of the LED light source includes a direction parallel to the substrate and a direction perpendicular to the substrate and facing away from the substrate.
In order to reflect the lateral light from the front surface, in one embodiment, referring to fig. 1 again, in one embodiment, the light source module 10 further includes a reflective film 400, and the reflective film 400 is disposed on the substrate 100 and surrounds the light guide plate 300. Therefore, the reflecting film is arranged around the light guide plate in a surrounding mode, so that light emitted by the LED light source in the side direction can be reflected out of the front face through the action of the reflecting film after passing through the action of the light guide plate.
In order to make all the light emitted from the LED light source emit from the light emitting surface of the light source module, in one embodiment, referring to fig. 1 again, the reflective film 400 includes a reflective side film 410 and a reflective bottom film 420, the light guide plate 300 is disposed on the substrate 100 through the reflective bottom film 420, and the reflective side film 410 is disposed on the reflective bottom film 420 and surrounds the light guide plate 300. Therefore, when light emitted by the LED light source reaches the bottom, the light can be emitted from the light emitting surface of the light source module through the reflection effect of the reflection bottom film, and when the light emitted by the LED light source is emitted from the side surface of the light source module, the light can be emitted from the light emitting surface of the light source module through the reflection effect of the reflection side film, so that the light emitted by the LED light source is completely emitted from the light emitting surface of the light source module.
In order to further improve the problem of the light source module that the light is too strong in the axial direction, in one embodiment, referring to fig. 1 again, a light blocking layer 500 is disposed on a side of the LED light source 200 facing away from the substrate 100. Therefore, direct emission of light in the axial direction of the LED light source is avoided, the light emitted from the side face of the LED light source is emitted from the axial direction under the action of the light guide plate, and the problem that the light source module emits light in the axial direction is further solved.
In order to avoid damaging the LED light source, in one embodiment, the light guide plate and the LED light source are spaced apart. Therefore, the light guide plate is prevented from being in direct contact with the LED light source, the LED light source is effectively protected, and the LED light source is prevented from being damaged.
In order to increase the lifetime of the light source module, in one embodiment, referring to fig. 1 again, the light source module 10 further includes a heat dissipation layer 600, and the LED light source 200 is disposed on the substrate 100 through the heat dissipation layer 300. Therefore, the service life of the LED light source is effectively prevented from being influenced by overheating through the heat dissipation effect of the heat dissipation layer, and the service life of the light source module is effectively prolonged.
In one embodiment, the heat dissipation layer is a heat sink. In one embodiment, the heat sink may be made of a high conductive material such as copper or aluminum. In one embodiment, the heat dissipation layer is disposed on the substrate by highly conductive glue.
In order to enrich the light emitting effect of the light source module, in one embodiment, please refer to fig. 1 and fig. 2 again, the number of the LED light sources 200 is multiple, the substrate 100 is provided with a plurality of control circuits, each of the control circuits corresponds to each of the LED light sources 200 one by one, and each of the LED light sources 200 is respectively disposed on the substrate 100 and electrically connected to the control circuit corresponding thereto; the number of the light guide plates 300 is multiple, each light guide plate 300 corresponds to each LED light source 200 one by one, each light guide plate 300 is disposed on the substrate 100, and each LED light source 200 is accommodated in the corresponding groove 301 of the light guide plate 300. Therefore, different LED light sources are respectively controlled by setting different control circuits, and the LED light sources can be independently controlled to be turned on or off, so that different light emitting effects can be realized in the aspects of color, brightness and the like.
In order to further make the light emitted from the light source module uniform, in one embodiment, the distances between the adjacent LED light sources are equal. Therefore, the light source module can emit light uniformly.
In one embodiment, the LED light sources are arranged in one-to-one alignment.
In one embodiment, the present application further discloses a lighting device, including the light source module according to any one of the above embodiments.
According to the lighting device, the groove is formed in the light guide plate of the light source module of the lighting device, the light guide plate is arranged on the substrate, and the LED light source is accommodated in the groove, so that on one hand, the distance between the light guide plate and the substrate is reduced, the overall thickness of the light source module is reduced, the light source module can be applied to more occasions with high requirements on the thickness, and when the lighting device or the display device is applied, the structures of the lighting device and the display device can be more compact; on the other hand, because the LED light source is accommodated in the groove, namely the periphery of the LED light source is surrounded by the light guide plate, light emitted from the side surface of the LED light source can pass through the action of the light guide plate on the side surface of the LED light source, so that the LED light source uniformly emits light, the problems of overhigh axial light brightness and gray scale occurrence are solved, and the visual effect of the lighting device is good.
In one embodiment, the present application further discloses a display device including the light source module according to any one of the above embodiments.
According to the display device, the groove is formed in the light guide plate of the light source module of the display device, the light guide plate is arranged on the substrate, and the LED light source is accommodated in the groove, so that on one hand, the distance between the light guide plate and the substrate is reduced, the overall thickness of the light source module is reduced, the light source module can be applied to more occasions with high requirements on the thickness, and when the light source module is applied to an illuminating device or a display device, the illuminating device and the display device can be more compact in structure; on the other hand, because the LED light source is accommodated in the groove, namely the periphery of the LED light source is surrounded by the light guide plate, light emitted from the side surface of the LED light source can pass through the action of the light guide plate on the side surface of the LED light source, so that the LED light source can uniformly emit light, the problems of overhigh axial light brightness and gray scale occurrence are solved, and the visual effect of the display device is good.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A light source module, comprising: the LED light source comprises a substrate, an LED light source and a light guide plate;
the LED light source is arranged on the substrate and electrically connected with the control circuit, the light guide plate is provided with a groove, the light guide plate is arranged on the substrate, and the LED light source is contained in the groove.
2. The light source module of claim 1, further comprising a reflective film disposed on the substrate and surrounding the light guide plate.
3. The light source module of claim 2, wherein the reflective film comprises a reflective side film and a reflective bottom film, the light guide plate is disposed on the substrate through the reflective bottom film, and the reflective side film is disposed on the reflective bottom film and surrounds the light guide plate.
4. The light source module of claim 1, wherein a side of the LED light source facing away from the substrate is covered with a light blocking layer.
5. The light source module as claimed in claim 1, wherein the light guide plate and the LED light source are spaced apart from each other.
6. The light source module according to claim 1, further comprising a heat dissipation layer, wherein the LED light source is disposed on the substrate through the heat dissipation layer.
7. The light source module according to claim 1, wherein the number of the LED light sources is plural, a plurality of control lines are disposed on the substrate, each of the control lines corresponds to one of the LED light sources, and each of the LED light sources is disposed on the substrate and electrically connected to the corresponding control line;
the number of the light guide plates is multiple, each light guide plate corresponds to each LED light source one by one, each light guide plate is arranged on the substrate, and each LED light source is contained in the groove of the corresponding light guide plate.
8. The light source module according to claim 7, wherein the distance between the adjacent LED light sources is equal.
9. An illumination device, comprising the light source module according to any one of claims 1 to 8.
10. A display device, comprising the light source module according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122979987.4U CN216353096U (en) | 2021-11-30 | 2021-11-30 | Light source module, lighting device and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122979987.4U CN216353096U (en) | 2021-11-30 | 2021-11-30 | Light source module, lighting device and display device |
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| CN216353096U true CN216353096U (en) | 2022-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822224A (en) * | 2022-05-06 | 2022-07-29 | 广州华星光电半导体显示技术有限公司 | Display panel |
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- 2021-11-30 CN CN202122979987.4U patent/CN216353096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114822224A (en) * | 2022-05-06 | 2022-07-29 | 广州华星光电半导体显示技术有限公司 | Display panel |
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