CN213840617U - Semi-side light-entering type LED lighting device - Google Patents
Semi-side light-entering type LED lighting device Download PDFInfo
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- CN213840617U CN213840617U CN202022375733.7U CN202022375733U CN213840617U CN 213840617 U CN213840617 U CN 213840617U CN 202022375733 U CN202022375733 U CN 202022375733U CN 213840617 U CN213840617 U CN 213840617U
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Abstract
The utility model discloses a half-side light-entering type LED lighting device, which comprises an aluminum frame, a light source plate, a light guide plate and a diffusion plate; the aluminum frame is provided with an inserting groove in an inclined manner, the aluminum frame extends to form a first clamping block and a second clamping block, and a clamping space is formed between the first clamping block and the second clamping block; the light source board is positioned in the slot, one side of the light source board is abutted against the bottom of the slot, and the other side of the light source board is provided with a light source; the light guide plate is arranged in the clamping space, the side part of the light guide plate is obliquely provided with an incident surface, and light rays emitted by the light source are incident into the light guide plate through the incident surface and are refracted and output after being reflected for multiple times in the light guide plate; the diffuser plate sets up in the centre gripping space to set up side by side with the light guide plate, the light of light guide plate refraction output is received to the diffuser plate, and the diffuser plate is exported after diffusing light. The utility model discloses the slope of light source board sets up in both sides portion to penetrate the light guide plate with stronger light intensity direction, and carry out multiple reflection, make the light efficiency high, the illumination degree of consistency is high, and the radiating effect is good simultaneously.
Description
Technical Field
The utility model relates to the field of lighting technology, in particular to half side income light formula LED lighting device.
Background
The LED illumination lamps and lanterns that the tradition adopted the light guide plate can be divided into two kinds generally according to the income light mode, one kind is for the side income light formula LED illumination lamps and lanterns, place LED in the lateral part of light guide plate promptly, the luminous incidence of LED of this illumination lamps and lanterns is usually with zero degree incident angle shining in the light guide plate, via light guide plate conduction light again, however, because the luminous lambertian body luminous body that is of LED light source, incident energy uses the incident point as the center, to isotropic reflection energy all around in whole hemisphere space, when making the cooperation side direction light guide plate, luminous efficiency discounts more.
The other type is a direct type LED lighting lamp, namely, an LED is placed below a light guide plate, the lighting lamp is difficult to overcome the glare problem, and the lighting lamp is difficult to apply to lighting scenes such as offices, classrooms and the like requiring soft and uniform light distribution. Therefore, there is a need for an LED lighting device with high light efficiency, which can meet the lighting requirements of different application scenes and overcome the glare problem.
In addition, in order to accommodate different LED light sources, it is also generally necessary to design optical lenses or optical reflectors of different sizes to match the corresponding LED light sources, respectively. Therefore, after the LED light source is changed, the secondary or multiple optical control device designed for a certain LED cannot be used continuously, the secondary or multiple optical control device has poor universality, and the secondary or multiple optical control device needs to be redesigned and manufactured, so that the cost of the LED lighting device is greatly increased, and the wide application of the LED lighting device is limited.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, an object of the utility model is to provide a formula LED lighting device is gone into to half side, its light source board slope sets up in both sides portion to penetrate the light guide plate with stronger light intensity direction, and carry out multiple reflection, make the light efficiency high, the illumination degree of consistency is high, and the radiating effect is good simultaneously.
In order to achieve the above object, an embodiment of the present invention provides a half-side light-entering LED lighting device, which includes an aluminum frame, a light source plate, a light guide plate, and a diffusion plate;
the aluminum frame is provided with an inserting groove in an inclined manner, the aluminum frame extends to form a first clamping block and a second clamping block, and a clamping space for clamping the light guide plate and the diffusion plate is formed between the first clamping block and the second clamping block;
the light source board is positioned in the slot, one side of the light source board is abutted against the bottom of the slot, and the other side of the light source board is provided with a light source;
the light guide plate is arranged in the clamping space, the side part of the light guide plate is obliquely provided with an incident surface, and light rays emitted by the light source are incident into the light guide plate through the incident surface and are refracted and output after being reflected for multiple times in the light guide plate;
the diffuser plate sets up in the centre gripping space to set up side by side with the light guide plate, the light of light guide plate refraction output is received to the diffuser plate, and the diffuser plate is exported after diffusing light.
According to the utility model discloses half side income light formula LED lighting device, because the light source board is located the slot, the slope sets up the slot in the aluminium frame, make the slot be the tilt state, thereby make the light source board be the tilt state, so that the light source on the light source board sent jets into the light guide plate inside from the incident surface of light guide plate lateral part, in order to carry out multiple reflection and refraction, in order to improve the light efficiency, improve the illumination degree of consistency, and simultaneously, because the slope sets up the slot in the aluminium frame, the light source board is arranged in the slope slot, in order to increase radiator area, and the heat dissipation effect is improved.
In addition, according to the present invention, the half-side light-entering LED lighting device can further have the following additional technical features:
further, the aluminium frame includes horizontal aluminium frame and vertical aluminium frame, and horizontal aluminium frame and vertical aluminium frame cross arrangement, light source board set up on vertical aluminium frame.
Further, the inclination of the slot is 45 degrees, and the inclination of the incident surface is 45 degrees.
Furthermore, the surface of one side of the light guide plate, which is close to the second clamping block, is provided with reflective paper.
Furthermore, the surface of the diffusion plate is provided with an optical microstructure for changing the light emitting effect.
Further, the optical microstructure is microcrystalline particles, corrugated particles or prismoid particles.
Further, still include the backplate, the backplate sets up in the centre gripping space to support and lean on the second clamp splice, the backplate is used for fixed line.
Further, an anti-glare film is arranged on the surface of the diffusion plate.
Drawings
Fig. 1 is a schematic structural diagram of a half-side light-entering LED lighting device according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is an exploded view of a half-side light-entering LED lighting device according to an embodiment of the present invention.
Description of the reference symbols
Clamping space 14 horizontal aluminum frame 15
Diffuser plate 4 and back plate 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to fig. 3, a half-side light-entering LED lighting device according to an embodiment of the present invention includes an aluminum frame 1, a light source plate 2, a light guide plate 3, and a diffusion plate 4.
The aluminum frame 1 is provided with an inclined slot 11, the aluminum frame 1 extends to form a first clamping block 12 and a second clamping block 13, and a clamping space 14 for clamping the light guide plate 3 and the diffusion plate 4 is formed between the first clamping block 12 and the second clamping block 13. Light source board 2 is located slot 11, and 2 one sides of light source board support and lean on the tank bottom at slot 11, and 2 opposite sides of light source board set up light source 21, and wherein, light source 21 preferred is LED lamp pearl.
The light guide plate 3 is disposed in the holding space 14, the incident surface 31 is obliquely disposed on the side of the light guide plate 3, and the light emitted from the light source 21 is incident into the light guide plate 3 through the incident surface 31, and is reflected in the light guide plate 3 for multiple times and then refracted and output. The diffusion plate 4 is disposed in the holding space 14 and arranged side by side with the light guide plate 3, the diffusion plate 4 receives the light refracted and output by the light guide plate 3, and the diffusion plate 4 diffuses and outputs the light.
Because light source board 2 is located slot 11, the slope sets up slot 11 in the aluminium frame 1, make slot 11 be the tilt state, thereby make light source board 2 be the tilt state, so that the light that light source 21 on the light source board 2 sent jets into light guide plate 3 inside from the incident surface 31 of 3 lateral parts of light guide plate, in order to carry out multiple reflection and refraction, in order to improve the light efficiency, improve the illumination degree of consistency, and simultaneously, because the slope sets up slot 11 in the aluminium frame 1, in slope slot 11 is arranged in to light source board 2, in order to increase the radiator area, and the heat radiating effect is improved.
Optionally, the aluminum frame 1 includes a horizontal aluminum frame 15 and a vertical aluminum frame 16, the horizontal aluminum frame 15 and the vertical aluminum frame 16 are arranged in a crossing manner, and the light source plate 2 is arranged on the vertical aluminum frame 16. The horizontal aluminum frame 15 and the vertical aluminum frame 16 hold the light guide plate 3 and the diffusion plate 4 together, preventing them from shaking, to improve stability.
In order to make the light emitted from the light source of the light source board 2 incident on the light guide plate 3 in the normal direction with the maximum light intensity, the inclination of the slot 11 may be 45 degrees, and the inclination of the incident surface 31 may be 45 degrees in this example. So for after the light that the light source of light source board 2 sent got into light guide plate 3, can carry out comparatively even reflection many times through light guide plate 3, thereby form comparatively even area source.
As an example, a reflective paper (not shown in the figure) is disposed on a side surface of the light guide plate 3 close to the second clamping block 13, the reflective paper can effectively reflect light, the light emitted from the light source of the light source plate 2 is incident on the light guide plate 3 and then reflected in the light guide plate 3, and the reflective paper drives the light to be reflected in the opposite direction after being reflected to the reflective paper at the bottom, so as to prevent the light from losing.
In order to change the light emitting effect, in this example, the surface of the diffusion plate 4 is provided with an optical microstructure for changing the light emitting effect, wherein the optical microstructure may be microcrystalline particles, corrugated particles or prismoid particles. The optical microstructure changes the light emitting effect, so that the light beam angle is changed to 70-180 degrees, and proper and comfortable light can be obtained according to specific application requirements.
In some examples, the half-side light-entering LED lighting device may further include a back plate 5, the back plate 5 is disposed in the clamping space 14 and abuts against the second clamping block 13, and the back plate 5 is used for fixing a circuit.
In order to prevent glare after light is emitted, the surface of the diffusion plate 4 in this example may be provided with an anti-glare film.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but 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 therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely 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 herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (8)
1. The utility model provides a half side income light formula LED lighting device which characterized in that: comprises an aluminum frame, a light source plate, a light guide plate and a diffusion plate;
the aluminum frame is provided with an inserting groove in an inclined manner, the aluminum frame extends to form a first clamping block and a second clamping block, and a clamping space for clamping the light guide plate and the diffusion plate is formed between the first clamping block and the second clamping block;
the light source board is positioned in the slot, one side of the light source board is abutted against the bottom of the slot, and the other side of the light source board is provided with a light source;
the light guide plate is arranged in the clamping space, the side part of the light guide plate is obliquely provided with an incident surface, and light rays emitted by the light source are incident into the light guide plate through the incident surface and are refracted and output after being reflected for multiple times in the light guide plate;
the diffuser plate sets up in the centre gripping space to set up side by side with the light guide plate, the light of light guide plate refraction output is received to the diffuser plate, and the diffuser plate is exported after diffusing light.
2. The half-side light-entry LED lighting device of claim 1, wherein: the aluminum frame comprises a horizontal aluminum frame and a vertical aluminum frame, the horizontal aluminum frame and the vertical aluminum frame are arranged in a crossed mode, and the light source plate is arranged on the vertical aluminum frame.
3. The half-side light-entry LED lighting device of claim 1, wherein: the inclination of the slot is 45 degrees, and the inclination of the incident surface is 45 degrees.
4. The half-side light-entry LED lighting device of claim 1, wherein: and the surface of one side of the light guide plate, which is close to the second clamping block, is provided with reflective paper.
5. The half-side light-entry LED lighting device of claim 1, wherein: the surface of the diffusion plate is provided with an optical microstructure for changing the light-emitting effect.
6. The half-side light-entry LED lighting device of claim 5, wherein: the optical microstructure is microcrystalline particles, corrugated particles or prismatic table particles.
7. The half-side light-entry LED lighting device of claim 1, wherein: the back plate is arranged in the clamping space and is abutted against the second clamping block, and the back plate is used for fixing a circuit.
8. The half-side light-entry LED lighting device of claim 1, wherein: the surface of the diffusion plate is provided with an anti-dazzle film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022375733.7U CN213840617U (en) | 2020-10-22 | 2020-10-22 | Semi-side light-entering type LED lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022375733.7U CN213840617U (en) | 2020-10-22 | 2020-10-22 | Semi-side light-entering type LED lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213840617U true CN213840617U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022375733.7U Active CN213840617U (en) | 2020-10-22 | 2020-10-22 | Semi-side light-entering type LED lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213840617U (en) |
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2020
- 2020-10-22 CN CN202022375733.7U patent/CN213840617U/en active Active
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