CN218064733U - Light inlet structure with different LED quantities on adjacent two sides of same light guide plate - Google Patents
Light inlet structure with different LED quantities on adjacent two sides of same light guide plate Download PDFInfo
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- CN218064733U CN218064733U CN202221850735.XU CN202221850735U CN218064733U CN 218064733 U CN218064733 U CN 218064733U CN 202221850735 U CN202221850735 U CN 202221850735U CN 218064733 U CN218064733 U CN 218064733U
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- guide plate
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Abstract
The utility model discloses a with different LED quantity light structures in adjacent both sides of piece light guide plate, including fixed frame, locate the light guide plate body of fixed frame inside and locate the light feeding device on the fixed frame, light feeding device is including seting up in the light inlet groove of fixed frame one side, locate the inside LED lamp strip of light inlet groove, locate the inside first light screen of light inlet groove and locate the inside second light screen of light inlet groove, first light screen and second light screen dislocation set, first light screen all runs through fixed frame with the second light screen, the utility model discloses a set up fixed frame, light guide plate body, light inlet groove, LED lamp strip, first light screen and second light screen, the LED quantity of having solved current light guide plate is fixed, and the light source that the LED produced directly gets into the light guide plate originally internally, makes the pointolite change into the area source, because LED's quantity and rigidity lead to the luminance and the scope of light guide plate fixed, are difficult to carry out the problem of adjustting of lighteness and bright regional regulation.
Description
Technical Field
The utility model belongs to the technical field of the light guide plate, especially, relate to a with different LED quantity in adjacent both sides of piece light guide plate advance light structure.
Background
The light guide plate is the ya keli PC panel that utilizes optics level, then with the hi-tech material that has high refracting index and not extinction, carve with laser at optics level inferior gram force panel bottom surface, V type cross net sculpture, UV screen printing technique prints the leaded light point, utilize optics level inferior gram force panel to absorb the stop at optics level inferior gram force panel surface of the light that comes out from the lamp, when light struck to each leaded light point, the reverberation can be toward each angle diffusion, then destroy the reflection condition and just jet out by the light guide plate, through various density, leaded light point of variation in size, can make the light guide plate evenly luminous, the problem that prior art exists is: the quantity of LEDs of the existing light guide plate is fixed, light sources generated by the LEDs directly enter the light guide plate, so that point light sources are converted into surface light sources, and the quantity and the positions of the LEDs are fixed, so that the brightness and the range of the light guide plate are fixed, and the brightness adjustment and the adjustment of a brightness area are difficult.
SUMMERY OF THE UTILITY MODEL
The problem that exists to prior art, the utility model provides a with different LED quantity in adjacent both sides of piece light guide plate advance light structure, it can be through first light screen of pulling and second light screen to possess, the light luminance of LED lamp strip to the transmission of light guide plate body has been changed, simultaneously can change the light intensity of light guide plate body lower half through the first light screen of pulling, can change the light intensity of the first half of board in a poor light through the second light screen of pulling, the advantage in the light region of adjustment light guide plate body has been reached, the LED quantity of having solved current light guide plate is fixed, the light source that LED produced directly gets into in the light guide plate, make the pointolite change into the area source, because LED's quantity and rigidity, the luminance and the scope that lead to the light guide plate are fixed, be difficult to carry out the problem of adjustting of lighteness and the regulation in light region.
The utility model discloses a realize like this, a with different LED quantity of adjacent both sides of piece light guide plate advance light structure, including fixed frame, locate the light guide plate body of fixed frame inside and locate the light device that advances on the fixed frame, advance the light device including offer in the light groove of fixed frame one side, locate the LED lamp strip of light inslot portion, locate the first light screen of light inslot portion and locate the second light screen of light inslot portion, first light screen and second light screen dislocation set, first light screen and second light screen all run through fixed frame, first light screen and second light screen all with fixed frame sliding connection, LED lamp strip sets up with the center of light guide plate body relatively.
As the utility model discloses it is preferred, first spout has been seted up to the inside in light inlet groove, be equipped with first slider on the first light screen, the second spout has been seted up to the inside in light inlet groove, be equipped with the second slider on the second light screen, first slider and first spout sliding connection, second slider and second spout sliding connection.
As the utility model discloses it is preferred, fixed frame is equipped with has seted up the wire casing, the inside of wire casing is equipped with the wire, wire and LED lamp strip electric connection.
As the utility model discloses preferred, the end of first light screen and second light screen all is equipped with draws the handle.
As the utility model discloses it is preferred, the inside of first spout and second spout all is equipped with the shutoff piece, the shutoff piece is pegged graft with first spout, the shutoff piece is pegged graft with the second spout, first light screen run through the shutoff piece and with shutoff piece sliding connection, the second light screen run through the shutoff piece and with shutoff piece sliding connection.
As the utility model discloses it is preferred, be equipped with the reflector plate on the bottom surface of fixed frame, the reflector plate is located the bottom of light guide plate body.
As the utility model discloses it is preferred, the upper portion of light guide plate body is equipped with the diffuser plate, diffuser plate and fixed frame fixed connection.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up fixed frame, light guide plate body, light inlet slot, LED lamp strip, first light screen and second light screen, reached and to have changed the light luminance of LED lamp strip to the light guide plate body transmission through the first light screen of pulling and second light screen, can change the bright intensity of light guide plate body lower half through the first light screen of pulling simultaneously, can change the bright intensity of the first one of board in a poor light through the second light screen of pulling, reached the effect of the bright region of adjustment light guide plate body.
2. The utility model discloses a set up first spout, first slider, second spout and second slider, can restrict the slip range and the slip direction of first light screen and second light screen, can make first light screen and second light screen slide more smoothly.
3. The utility model discloses a set up wire casing and wire, can pass through wire case LED lamp strip circular telegram to be convenient for control LED lamp strip switch.
4. The utility model discloses a set up and draw the handle, can draw the handle through the pulling, the slip of the first light screen of control and second light screen improves the practicality of individual first light screen and second light screen.
5. The utility model discloses a set up the shutoff piece, can block up first spout and second spout to prevent that light from spilling from first spout and second spout.
6. The utility model discloses a set up the reflector plate, can reflect the light of light guide plate body below, with the surface of light reflection to the light guide plate body to increase the utilization ratio of light.
7. The utility model discloses a set up the diffuser plate, can make the light spot diffusion that comes from the light guide plate body to make the more even of the light distribution that jets out.
Drawings
Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;
fig. 2 is a front view of an embodiment of the present invention;
fig. 3 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 in accordance with an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 3 according to an embodiment of the present invention;
fig. 5 is a cross-sectional view taken along line B-B of fig. 2 according to an embodiment of the present invention;
fig. 6 is an enlarged view of a portion B in fig. 5 according to an embodiment of the present invention.
In the figure: 1. a fixing frame; 2. a light guide plate body; 3. a light inlet groove; 4. an LED light bar; 5. a first light shielding plate; 6. a second light shielding plate; 7. a first chute; 8. a first slider; 9. a second chute; 10. a second slider; 11. a wire slot; 12. a wire; 13. pulling a handle; 14. a plugging block; 15. a reflective sheet; 16. and a diffusion plate.
Detailed Description
For further understanding the contents, features and effects of the present invention, the following embodiments will be illustrated in detail with reference to the accompanying drawings.
The structure of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the embodiment of the utility model provides a pair of with different LED quantity in adjacent both sides of piece light guide plate advance light structure, including fixed frame 1, locate fixed frame 1 inside light guide plate body 2 and locate the light device that advances on fixed frame 1, advance the light device including offer in fixed frame 1 one side advance light groove 3, locate the light groove 3 inside LED lamp strip 4, locate the light groove 3 inside first light screen 5 and locate the light groove 3 inside second light screen 6, first light screen 5 and the dislocation set of second light screen 6, first light screen 5 all runs through fixed frame 1 with second light screen 6, first light screen 5 and second light screen 6 all with fixed frame 1 sliding connection, LED lamp strip 4 sets up with the center of light guide plate body 2 relatively.
Referring to fig. 4, a first sliding groove 7 is formed in the light inlet groove 3, a first sliding block 8 is arranged on the first light shielding plate 5, a second sliding groove 9 is formed in the light inlet groove 3, a second sliding block 10 is arranged on the second light shielding plate 6, the first sliding block 8 is slidably connected with the first sliding groove 7, and the second sliding block 10 is slidably connected with the second sliding groove 9.
The scheme is adopted: through setting up first spout 7, first slider 8, second spout 9 and second slider 10, fixed frame 1 is all run through to first spout 7 and second spout 9, can restrict the sliding range and the slip direction of first light screen 5 and second light screen 6, can make first light screen 5 and second light screen 6 slide more smoothly.
Referring to fig. 4, the fixing frame 1 is provided with a wire slot 11, a wire 12 is arranged inside the wire slot 11, and the wire 12 is electrically connected with the LED light bar 4.
Adopt above-mentioned scheme: through setting up wire casing 11 and wire 12, can be through 12 case LED lamp strips 4 circular telegrams of wire to be convenient for control LED lamp strip 4 switches.
Referring to fig. 6, the ends of the first light shielding plate 5 and the second light shielding plate 6 are provided with pull handles 13.
Adopt above-mentioned scheme: through setting up and drawing 13, can draw 13 through the pulling, control the slip of first light screen 5 and second light screen 6, improve the practicality of individual first light screen 5 and second light screen 6.
Referring to fig. 6, the inside of first spout 7 and second spout 9 all is equipped with plugging block 14, plugging block 14 pegs graft with first spout 7, plugging block 14 pegs graft with second spout 9, first light screen 5 runs through plugging block 14 and with plugging block 14 sliding connection, second light screen 6 runs through plugging block 14 and with plugging block 14 sliding connection.
Adopt above-mentioned scheme: through setting up plugging block 14, plugging block 14 is the rubber material, can be stifled with first spout 7 and second spout 9 to prevent that light from spilling from first spout 7 and second spout 9.
Referring to fig. 3, a reflective sheet 15 is disposed on the bottom surface of the fixing frame 1, and the reflective sheet 15 is located at the bottom of the light guide plate body 2.
Adopt above-mentioned scheme: through setting up reflector plate 15, can reflect the light of light guide plate body 2 below, reflect the surface of light guide plate body 2 with light to increase the utilization ratio of light.
Referring to fig. 3, a diffusion plate 16 is disposed on the upper portion of the light guide plate body 2, and the diffusion plate 16 is fixedly connected to the fixing frame 1.
Adopt above-mentioned scheme: by providing the diffusion plate 16, the light spot from the light guide plate main body 2 can be diffused, and the light distribution of the emitted light can be made more uniform.
The utility model discloses a theory of operation:
when using, at first when needs reduce bright intensity, through the inside with first light screen 5 and second light screen 6 slip-in light groove 3, thereby block the light that LED lamp strip 4 produced, reduce the bright intensity of light guide plate body 2, simultaneously the luminance region of light guide plate body 2 reduces, when needs improve bright intensity, through advancing light groove 3 with first light screen 5 and 6 roll-offs of second light screen, make the light that LED lamp strip 4 produced kick into the inside of light guide plate body 2 in a large number, thereby improve the luminance of light guide plate body 2, the luminance region of light guide plate body 2 enlarges simultaneously, reflector plate 15 can reflect the light of light guide plate body 2 below simultaneously, reflect the surface of light guide plate body 2 with light, thereby increase the utilization ratio of light, when light passes through diffuser plate 16, can make the more even of the light distribution who jets out.
In summary, the following steps: this with different LED quantity in adjacent both sides of piece light guide plate advance light structure, through setting up fixed frame 1, light guide plate body 2, advance light groove 3, LED lamp strip 4, first light screen 5 and second light screen 6, the LED quantity of having solved current light guide plate is fixed, the light source that LED produced directly gets into the light guide plate originally internally, make the pointolite change into the area source, because LED's quantity and rigidity, the luminance and the scope that lead to the light guide plate are fixed, be difficult to carry out the problem of adjustting of the lighteness and the regional regulation of brightness.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a different LED quantity of adjacent both sides of same piece light guide plate advances light structure, includes fixed frame (1), locates light guide plate body (2) of fixed frame (1) inside and locates the light device that advances on fixed frame (1), its characterized in that: the light inlet device comprises a light inlet groove (3) formed in one side of a fixed frame (1), an LED lamp strip (4) arranged in the light inlet groove (3), a first light screen (5) arranged in the light inlet groove (3) and a second light screen (6) arranged in the light inlet groove (3), wherein the first light screen (5) and the second light screen (6) are arranged in a staggered manner, the fixed frame (1) is penetrated by the first light screen (5) and the second light screen (6), the first light screen (5) and the second light screen (6) are connected with the fixed frame (1) in a sliding manner, and the LED lamp strip (4) and the center of the light guide plate body (2) are arranged relatively.
2. The light input structure of claim 1, wherein the light input structure comprises two adjacent light guide plates and two adjacent light guide plates, and the number of the LEDs is different from that of the LEDs: a first sliding groove (7) is formed in the light inlet groove (3), a first sliding block (8) is arranged on the first light shielding plate (5), a second sliding groove (9) is formed in the light inlet groove (3), a second sliding block (10) is arranged on the second light shielding plate (6), the first sliding block (8) is connected with the first sliding groove (7) in a sliding mode, and the second sliding block (10) is connected with the second sliding groove (9) in a sliding mode.
3. The light input structure of claim 1, wherein the light input structure comprises two adjacent light guide plates and two adjacent light guide plates, and the number of the LEDs is different from that of the LEDs: the LED lamp fixing frame is characterized in that the fixing frame (1) is provided with a wire groove (11), a wire (12) is arranged inside the wire groove (11), and the wire (12) is electrically connected with the LED lamp strip (4).
4. The light input structure of claim 1, wherein the light input structure comprises two adjacent light guide plates and two adjacent light guide plates, and the number of the LEDs is different from that of the LEDs: and pull handles (13) are arranged at the tail ends of the first light shielding plate (5) and the second light shielding plate (6).
5. The light input structure of claim 2, wherein the light input structure comprises two adjacent light guide plates and two adjacent light guide plates, and the number of the LEDs is different from that of the LEDs: the inside of first spout (7) and second spout (9) all is equipped with plugging block (14), plugging block (14) are pegged graft with first spout (7), plugging block (14) are pegged graft with second spout (9), first light screen (5) run through plugging block (14) and with plugging block (14) sliding connection, second light screen (6) run through plugging block (14) and with plugging block (14) sliding connection.
6. The light input structure of claim 1, wherein the light input structure comprises two adjacent light guide plates and two adjacent light guide plates, and the number of the LEDs is different from that of the LEDs: the bottom surface of the fixed frame (1) is provided with a reflector plate (15), and the reflector plate (15) is positioned at the bottom of the light guide plate body (2).
7. The light input structure of claim 1, wherein the light input structure comprises two adjacent light guide plates with different LED numbers, and the two adjacent light guide plates are respectively provided with a light input structure, the light input structure comprises: the upper portion of light guide plate body (2) is equipped with diffuser plate (16), diffuser plate (16) and fixed frame (1) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221850735.XU CN218064733U (en) | 2022-07-19 | 2022-07-19 | Light inlet structure with different LED quantities on adjacent two sides of same light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221850735.XU CN218064733U (en) | 2022-07-19 | 2022-07-19 | Light inlet structure with different LED quantities on adjacent two sides of same light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218064733U true CN218064733U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221850735.XU Active CN218064733U (en) | 2022-07-19 | 2022-07-19 | Light inlet structure with different LED quantities on adjacent two sides of same light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218064733U (en) |
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2022
- 2022-07-19 CN CN202221850735.XU patent/CN218064733U/en active Active
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