CN212694712U - Light source module for touch display unit - Google Patents
Light source module for touch display unit Download PDFInfo
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- CN212694712U CN212694712U CN202020236759.0U CN202020236759U CN212694712U CN 212694712 U CN212694712 U CN 212694712U CN 202020236759 U CN202020236759 U CN 202020236759U CN 212694712 U CN212694712 U CN 212694712U
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- guide plate
- light guide
- layering
- light
- support bar
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Abstract
The utility model discloses a light source module for touch display unit, including base plate, LED lamp area, light guide plate, light equalizing membrane and reflection paper, the reflection paper is located between base plate and the light guide plate, the light equalizing membrane is located the light guide plate and is carried on one side surface opposite to the base plate, LED lamp area sets up in the upper and lower both sides of light guide plate respectively, and install on the base plate through a brace respectively; the LED lamp strip comprises a plurality of LED elements and a circuit board, the LED elements are arranged on the surface of one side of the circuit board at equal intervals, and the supporting strip is an aluminum supporting strip; the left and right sides of light guide plate is provided with a layering respectively, the other end of layering is connected with the equal light film contact on the light guide plate, the layering sets up with the support bar is perpendicular, in the bellying embedding depressed part for layering and support bar accordant connection. The utility model is used for touch-control display element's light source module can reduce other heat radiation module's use, has both practiced thrift the cost, can attenuate the thickness of equipment again, optimize the user experience of product.
Description
Technical Field
The utility model relates to a light source module for touch-control display element belongs to education and equips technical field.
Background
The blackboard in the classroom is the teaching tool that the frequency of use is the highest of teacher, and along with the popularization of multimedia teaching in recent years, many schools have also had the multimedia classroom, and the teacher can give the student with PPT and video mode and give class, carries out teaching or interdynamic. The display screen is often integrated into the blackboard as a whole by the existing blackboard, which is not beneficial to the weight reduction, thinning and installation of the weight of the blackboard.
Disclosure of Invention
The utility model aims at providing a light source module for touch-control display element, this a light source module for touch-control display element can reduce other heat radiation module's use, both practiced thrift the cost, can attenuate the thickness of equipment again, optimize the user experience of product.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a light source module for a touch display unit comprises a substrate, an LED lamp strip, a light guide plate, a light homogenizing film and reflecting paper, wherein the reflecting paper is positioned between the substrate and the light guide plate;
the LED lamp strip comprises a plurality of LED elements and a circuit board, the LED elements are arranged on the surface of one side of the circuit board at equal intervals, the surface of the other side of the circuit board is connected with the supporting strips in an adhesive mode, and one side of the circuit board provided with the LED elements is arranged face to face with the side surface of the light guide plate;
the lower end of the supporting strip is provided with a first flanging part which is bent back to one side opposite to the light guide plate, the lower surface of the first flanging part is in contact with the surface of the substrate, the first flanging part is fixedly connected with the substrate, and the supporting strip is an aluminum supporting strip;
the left and right sides of light guide plate is provided with a layering respectively, and the one end of this layering is installed on the base plate, the other end of layering is connected with the equal light film contact on the light guide plate, the layering sets up with the support bar is perpendicular, and the both ends of layering are connected with the both ends contact of support bar respectively, the junction of layering and support bar perhaps the junction of support bar and layering is provided with a bellying, the junction of support bar and layering perhaps the junction of layering and support bar has a depressed part that matches with the bellying, in the bellying embedding depressed part for layering and support bar accordant connection.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the diffusion film and the brightness enhancement film are stacked above the light-homogenizing film.
2. In the above scheme, the upper end of the supporting bar is provided with a second flanging part which is bent towards one side of the light guide plate, and the lower surface of the second flanging part is in contact connection with the light-equalizing film above the light guide plate.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a light source module for touch-control display element, it is through the setting of aluminium support bar and first turn-over portion, can be with the heat of LED lamp area on the base plate of large tracts of land continuously, quick transfer, realized producing the quick, even heat dissipation of heat to LED lamp area, avoid using equipment of the backlight module of the invention, such as the touch-control blackboard influences other device performances because the heat dissipation is not smooth, can also reduce the use of other heat dissipation modules simultaneously, not only practiced thrift the cost, but also can attenuate the thickness of equipment, optimize the user experience of product; furthermore, through the arrangement of the second flanging part, the supporting strip has the effect of limiting the light guide plate and the optical membrane, the positioning of the light guide plate and the optical membrane is realized under the condition of not increasing any cost, and the production efficiency is improved.
2. The utility model discloses a light source module for touch-control display element, the setting of its layering, for the light guide plate, the membrane of homogenizing, the reflection paper provides the location, prevent that it from taking place the skew and influencing the effect of homogenizing, and bellying or depressed part on the layering and the cooperation setting of bellying or bellying on the support bar, then can effectively avoid the light of LED component to spill from the junction of pressing strip and support bar, guaranteed the luminous intensity and the stability of light source, and then guarantee the display effect of the equipment that uses this invention backlight unit.
Drawings
Fig. 1 is a schematic structural view of a light source module for a touch display unit according to the present invention;
fig. 2 is a side view of a partial structure of a light source module for a touch display unit according to the present invention;
fig. 3 is a side view of a partial structure of a light source module for a touch display unit according to the present invention;
fig. 4 is a top view of the local structure of the light source module for the touch display unit of the present invention.
In the above drawings: 1b, a substrate; 2b, an LED lamp strip; 2b1, LED element; 2b2, circuit board; 3b, a light guide plate; 4b, a light homogenizing film; 5b, reflective paper; 6b, supporting strips; 6b1, a first flanging part; 6b2, second flanging part; 7b, a diffusion film; 8b, a brightness enhancement film; 10b, pressing strips; 13b, a boss; 14b, a recess.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: a light source module for a touch display unit comprises a substrate 1b, an LED lamp strip 2b, a light guide plate 3b, a light homogenizing film 4b and reflecting paper 5b, wherein the reflecting paper 5b is positioned between the substrate 1b and the light guide plate 3b, the light homogenizing film 4b is positioned on the surface of one side, back to the substrate 1b, of the light guide plate 3b, the LED lamp strip 2b is respectively arranged on the upper side and the lower side of the light guide plate 3b and is respectively installed on the substrate 1b through a supporting strip 6 b;
the LED lamp strip 2b comprises a plurality of LED elements 2b1 and a circuit board 2b2, the LED elements 2b1 are mounted on one side surface of the circuit board 2b2 at equal intervals, the other side surface of the circuit board 2b2 is connected with a supporting strip 6b in an adhering mode, and one side of the circuit board 2b2 on which the LED elements 2b1 are mounted is arranged in a face-to-face mode with the side surface of the light guide plate 3 b;
the lower end of the supporting strip 6b is provided with a first flanging part 6b1 bent towards one side opposite to the light guide plate 3b, the lower surface of the first flanging part 6b1 is in contact with the surface of the substrate 1b, the first flanging part 6b1 is fixedly connected with the substrate 1b, and the supporting strip 6b is an aluminum supporting strip;
the left and right sides of light guide plate 3b is provided with a layering 10b respectively, and the one end of this layering 10b is installed on base plate 1b, the other end of layering 10b and the equal light membrane 4b contact on the light guide plate 3b are connected, layering 10b sets up with the support bar 6b is perpendicular, and the both ends of layering 10b are connected with the both ends contact of support bar 6b respectively, layering 10b and support bar 6 b's junction perhaps support bar 6b is provided with a bellying 13b with the junction of layering 10b, support bar 6b and layering 10 b's junction perhaps layering 10b and support bar 6 b's junction has a depressed part 14b that matches with bellying 13b, bellying 13b imbeds in the depressed part 14b for layering 10b and support bar 6b accordant connection.
The diffusion film 7b and the brightness enhancement film 8b are stacked above the light uniformizing film 4 b.
Example 2: a light source module for a touch display unit comprises a substrate 1b, an LED lamp strip 2b, a light guide plate 3b, a light homogenizing film 4b and reflecting paper 5b, wherein the reflecting paper 5b is positioned between the substrate 1b and the light guide plate 3b, the light homogenizing film 4b is positioned on the surface of one side, back to the substrate 1b, of the light guide plate 3b, the LED lamp strip 2b is respectively arranged on the upper side and the lower side of the light guide plate 3b and is respectively installed on the substrate 1b through a supporting strip 6 b;
the LED lamp strip 2b comprises a plurality of LED elements 2b1 and a circuit board 2b2, the LED elements 2b1 are mounted on one side surface of the circuit board 2b2 at equal intervals, the other side surface of the circuit board 2b2 is connected with a supporting strip 6b in an adhering mode, and one side of the circuit board 2b2 on which the LED elements 2b1 are mounted is arranged in a face-to-face mode with the side surface of the light guide plate 3 b;
the lower end of the supporting strip 6b is provided with a first flanging part 6b1 bent towards one side opposite to the light guide plate 3b, the lower surface of the first flanging part 6b1 is in contact with the surface of the substrate 1b, the first flanging part 6b1 is fixedly connected with the substrate 1b, and the supporting strip 6b is an aluminum supporting strip;
the left and right sides of light guide plate 3b is provided with a layering 10b respectively, and the one end of this layering 10b is installed on base plate 1b, the other end of layering 10b and the equal light membrane 4b contact on the light guide plate 3b are connected, layering 10b sets up with the support bar 6b is perpendicular, and the both ends of layering 10b are connected with the both ends contact of support bar 6b respectively, layering 10b and support bar 6 b's junction perhaps support bar 6b is provided with a bellying 13b with the junction of layering 10b, support bar 6b and layering 10 b's junction perhaps layering 10b and support bar 6 b's junction has a depressed part 14b that matches with bellying 13b, bellying 13b imbeds in the depressed part 14b for layering 10b and support bar 6b accordant connection.
The upper end of the supporting strip 6b has a second flanging part 6b2 bent toward the light guide plate 3b, and the lower surface of the second flanging part 6b2 is in contact connection with the light-equalizing film 4b above the light guide plate 3 b.
When the light source module for the touch display unit is adopted, the heat of the LED lamp strip can be continuously and quickly transferred to the large-area substrate through the aluminum supporting strip and the arrangement of the first flanging part of the aluminum supporting strip, so that the heat generated by the LED lamp strip can be quickly and uniformly radiated, the influence on the performance of other devices caused by unsmooth radiation of equipment such as a touch blackboard using the backlight module is avoided, meanwhile, the use of other radiating modules can be reduced, the cost is saved, the thickness of the equipment can be reduced, and the user experience of products is optimized; furthermore, through the arrangement of the second flanging part, the supporting strip has the effect of limiting the light guide plate and the optical membrane, the positioning of the light guide plate and the optical membrane is realized under the condition of not increasing any cost, and the production efficiency is improved.
In addition, the arrangement of the pressing strips provides positioning for the light guide plate, the light homogenizing film and the reflecting paper, the light homogenizing effect is prevented from being influenced by the deviation in the vertical direction, and the protruding parts or the recessed parts on the pressing strips and the recessed parts or the protruding parts on the supporting strips are arranged in a matched mode, so that light of the LED elements can be effectively prevented from being emitted from the connecting parts of the pressing strips and the supporting strips, the luminous intensity and stability of a light source are guaranteed, and the display effect of equipment using the backlight module is further guaranteed.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (3)
1. The utility model provides a light source module for touch-control display element which characterized in that: the LED lamp strip comprises a substrate (1 b), an LED lamp strip (2 b), a light guide plate (3 b), a light homogenizing film (4 b) and reflecting paper (5 b), wherein the reflecting paper (5 b) is positioned between the substrate (1 b) and the light guide plate (3 b), the light homogenizing film (4 b) is positioned on one side surface, back to the substrate (1 b), of the light guide plate (3 b), the LED lamp strip (2 b) is respectively arranged on the upper side and the lower side of the light guide plate (3 b) and is respectively installed on the substrate (1 b) through a supporting strip (6 b);
the LED lamp strip (2 b) comprises a plurality of LED elements (2 b 1) and a circuit board (2 b 2), the LED elements (2 b 1) are mounted on one side surface of the circuit board (2 b 2) at equal intervals, the other side surface of the circuit board (2 b 2) is connected with the supporting bar (6 b) in an adhering mode, and one side of the circuit board (2 b 2) provided with the LED elements (2 b 1) is arranged in a face-to-face mode with the side surface of the light guide plate (3 b);
the lower end of the supporting strip (6 b) is provided with a first flanging part (6 b 1) which is bent towards one side opposite to the light guide plate (3 b), the lower surface of the first flanging part (6 b 1) is in contact with the surface of the substrate (1 b), the first flanging part (6 b 1) is fixedly connected with the substrate (1 b), and the supporting strip (6 b) is an aluminum supporting strip;
the left and right sides of light guide plate (3 b) is provided with a layering (10 b) respectively, and the one end of this layering (10 b) is installed on base plate (1 b), the other end of layering (10 b) is connected with the contact of light homogenizing membrane (4 b) on light guide plate (3 b), layering (10 b) and support bar (6 b) set up perpendicularly, and the both ends of layering (10 b) are connected with the both ends contact of support bar (6 b) respectively, the junction of layering (10 b) and support bar (6 b) perhaps the junction of support bar (6 b) and layering (10 b) is provided with a bellying (13 b), the junction of support bar (6 b) and layering (10 b) perhaps the junction of layering (10 b) and support bar (6 b) has a depressed part (14 b) that matches with bellying (13 b), bellying (13 b) imbeds in depressed part (14 b), so that the compression strip (10 b) is matched and connected with the supporting strip (6 b).
2. The light source module for a touch display unit according to claim 1, wherein: and a diffusion film (7 b) and a brightness enhancement film (8 b) are stacked above the light uniformizing film (4 b).
3. The light source module for a touch display unit according to claim 1, wherein: the upper end of the supporting strip (6 b) is provided with a second flanging part (6 b 2) which is bent towards one side of the light guide plate (3 b), and the lower surface of the second flanging part (6 b 2) is in contact connection with the light homogenizing film (4 b) above the light guide plate (3 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236759.0U CN212694712U (en) | 2020-03-02 | 2020-03-02 | Light source module for touch display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236759.0U CN212694712U (en) | 2020-03-02 | 2020-03-02 | Light source module for touch display unit |
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| Publication Number | Publication Date |
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| CN212694712U true CN212694712U (en) | 2021-03-12 |
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| CN202020236759.0U Active CN212694712U (en) | 2020-03-02 | 2020-03-02 | Light source module for touch display unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118337A (en) * | 2022-05-09 | 2022-09-27 | 中国科学技术大学 | Cross-dynamic water-atmosphere interface communication system based on surface light source |
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2020
- 2020-03-02 CN CN202020236759.0U patent/CN212694712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118337A (en) * | 2022-05-09 | 2022-09-27 | 中国科学技术大学 | Cross-dynamic water-atmosphere interface communication system based on surface light source |
| CN115118337B (en) * | 2022-05-09 | 2023-11-17 | 中国科学技术大学 | Cross-dynamic water-atmosphere interface communication system based on surface light source |
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