CN208670654U - A kind of backlight touch panel and electronic equipment - Google Patents
A kind of backlight touch panel and electronic equipment Download PDFInfo
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- CN208670654U CN208670654U CN201821311682.8U CN201821311682U CN208670654U CN 208670654 U CN208670654 U CN 208670654U CN 201821311682 U CN201821311682 U CN 201821311682U CN 208670654 U CN208670654 U CN 208670654U
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- light
- bracket
- avoid holes
- guide plate
- light source
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Abstract
The utility model provides a kind of backlight touch panel, avoid holes are set on flat bracket, light guide plate is installed in avoid holes, light source is set on luminous zone, and luminous zone is fixed on bracket, light source is embedded in avoid holes, and the light that light source issues conducts through the light guide plate, and light guide plate is uniformly distributed light；Cover board is covered on bracket, the light of light guide plate outflow conducts outward through cover board, key is correspondingly arranged outside cover board, the light spread out of in light guide plate reaches the lower section of key after cover board is spread out of, backlight can be provided to multiple and different keys corresponding above avoid holes, only leading to too small amount of light source can make multiple keys generate backlight, not need to be arranged in a one-to-one correspondence light source below each key；Light guide plate and light source are installed in avoid holes, are formed and are stopped by light of the supporting structure to side, made light that can not be exposed to other regions, only provide backlight to the key above avoid holes, do not generate interference to the key of other positions.
Description
Technical field
The utility model relates to illuminating module technical fields, further relate to a kind of backlight touch panel.This is practical new
Type further relates to a kind of electronic equipment.
Background technique
Key-press backlight can be widely used, respectively convenient for users to accurate operating buttons in the dark in numerous press key equipments
It can be also distinguish by the color difference of backlight between key, user is prompted to be quickly found out corresponding key；In addition setting is pressed
Key backlight can also prompt push action, can shine or flash when the key is pressed.
Current backlight touch panel, which shines, to be all made of PCB main board substantially and adds LED light or add light guiding film by LED lamp
Mode issue light source, light guiding film can be such that light is uniformly distributed；But each button individually corresponds in traditional backlight touch panel
One LED light needs that LED light identical with number of keys is arranged when being equipped with multiple keys；When key is closer, respectively
Light between LED light, which is likely to occur, to be interfered with each other, and can impact to adjacent key, confused problem occurs.
For those skilled in the art, the quantity for how reducing LED backlight is the technology for needing to solve at present
Problem.
Utility model content
The utility model provides a kind of backlight touch panel, and leading to too small amount of light source can make multiple keys generate backlight,
It does not need to be arranged in a one-to-one correspondence light source below each key, concrete scheme is as follows:
A kind of backlight touch panel, comprising:
Bracket is in tabular, avoid holes is arranged on the bracket；
Light guide plate is mounted in the avoid holes；
Luminous zone, relatively fixed with the bracket, setting is for luminous light source on the luminous zone；The light source insertion
In the avoid holes, the light that the light source issues is conducted through the light guide plate；
Cover board, on the bracket, the light of the light guide plate outflow is conducted through the cover board, right outside the cover board for covering
Setting button is answered, the avoid holes correspond to multiple and different keys.
Optionally, at least two mutually independent avoid holes are set on the bracket, it is embedding in each avoid holes
Enter at least one described light source.
Optionally, the upper surface of the light guide plate mounts diffusion barrier, the shape and size of the diffusion barrier and the leaded light
Plate is identical.
Optionally, further include shading glue for being bonded the bracket that is connected, the luminous zone and the diffusion barrier；It is described
The light hole for light transmission is opened up on shading glue, the light hole and the position of the avoid holes overlap, and the light hole
Less than the avoid holes.
Optionally, further include the reflector plate for being fixed on the bracket lower surface, the reflector plate cover from below described in keep away
Allow hole, the upper surface of the reflector plate is for reflecting the light spread out of by the light guide plate.
Optionally, the luminous zone is flexible circuit board, and the flexible circuit board is fitted in the upper surface of the bracket.
Optionally, the reflector plate and the bracket are adhesively fixed by the first double-sided adhesive；The luminous zone, the diffusion
Film and the bracket are adhesively fixed by the second double-sided adhesive, are opened up on second double-sided adhesive for avoiding opening for the light source
Hole；It is adhesively fixed between the shading glue and the cover board by the third double-sided adhesive of annular.
The utility model also provides a kind of electronic equipment, including backlight touch panel described in any of the above embodiments.
The utility model provides a kind of backlight touch panel, is arranged avoid holes on flat bracket, in avoid holes
Light guide plate is installed, light source is set on luminous zone, and luminous zone is fixed on bracket, light source is embedded in avoid holes, what light source issued
Light conducts through the light guide plate, and light guide plate is uniformly distributed light；Cover board is covered on bracket, and the light of light guide plate outflow is through cover board
Conduction outward, cover board are correspondingly arranged key outside, and the light spread out of in light guide plate reaches the lower section of key after cover board is spread out of, can
Backlight is provided to multiple and different keys corresponding above avoid holes, only leading to too small amount of light source can make multiple keys generate back
Light does not need to be arranged in a one-to-one correspondence light source below each key；Light guide plate and light source are installed in avoid holes, pass through bracket
Structure, which forms the light of side, to be stopped, and is made light that can not be exposed to other regions, is only provided back to the key above avoid holes
Light does not generate interference to the key of other positions.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Figure 1A is the front view of backlight touch-control faceplate part structure provided by the utility model；
Figure 1B is the rearview of backlight touch-control faceplate part structure provided by the utility model；
Fig. 1 C is the sectional view in the direction A-A in Figure 1A；
Fig. 1 D is the partial enlarged view of part A in Fig. 1 C；
Fig. 2 is the front view of the utility model backlight touch panel setting button；
Fig. 3 is the position view of each Standard of backlight touch panel provided by the utility model.
Include: in figure
Bracket 1, avoid holes 11, light guide plate 2, luminous zone 3, light source 31, diffusion barrier 4, shading glue 5, light hole 51, reflection
Piece 6, the first double-sided adhesive 71, the second double-sided adhesive 72, third double-sided adhesive 73.
Specific embodiment
The core of the utility model is to provide a kind of backlight touch panel, and multiple keys can be made by leading to too small amount of light source
Backlight is generated, does not need to be arranged in a one-to-one correspondence light source below each key.
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing and
Explanation is described in detail to the backlight touch panel of the utility model in specific embodiment.
As shown in FIG. 1A and 1B, the front view of backlight touch-control faceplate part structure respectively provided by the utility model and
Rearview, Fig. 1 C are the sectional view in the direction A-A in Figure 1A；Fig. 1 D is the partial enlarged view of part A in Fig. 1 C.The utility model
The backlight touch panel of offer includes the structures such as bracket 1, light guide plate 2, luminous zone 3, cover board, and bracket 1 is in tabular, on bracket 1
Avoid holes 11 are set, and bracket 1 provides support to other structures, accommodates multiple components in avoid holes 11, plastics can be used in bracket 1
Or the materials such as rubber are made.
Light guide plate 2 is mounted in avoid holes 1；Luminous zone 3 and bracket 1 are relatively fixed, and setting is used to shine on luminous zone 3
The forms such as flexible circuit board can be used in light source 31, luminous zone 3, and light source 31 is mounted on the surface of luminous zone 3, protrude from luminous zone 3
Outer surface, luminous zone 3 and the surface of bracket 1 be bonded to each other, and light source 31 is embedded in avoid holes 11, the light warp that light source 31 issues
Light guide plate 2 conducts；Light source 31 and light guide plate 2 are respectively positioned in avoid holes 11, and the light that light source 31 issues is distributed more by light guide plate 2
Uniformly, due to all round closure of avoid holes 11, individual space is formed, the light that light guide plate 2 is spread out of can only be opened from avoid holes 11
Logical direction is propagated, and can not be propagated around, be defined light emitting region.LED light can be used in light source 31 in the utility model,
The luminous side of LED light makes more light enter light guide plate 2 towards light guide plate 2.
Cover board is covered on 1 surface of bracket, and cover board is made of transparent material, and the light that light guide plate 2 is spread out of is outside through cover board
Conduction；Key is correspondingly arranged outside cover board, the corresponding multiple and different key of the same avoid holes 11, multiple and different key lower sections is thoroughly
It crosses same light guide plate 2 to emit beam, provides backlight to multiple keys；As shown in Fig. 2, being set for the utility model backlight touch panel
The transmission region of respective shapes is arranged in the front view for setting key on key, and the light conducted bottom-up is by key
Transmission region outflow, form specific shape, it is convenient to be identified in dark location.
Using backlight touch panel provided by the utility model, the light spread out of in light guide plate 2 arrives after cover board is spread out of
Up to the lower section of key, backlight can be provided to the corresponding multiple and different keys in 11 top of avoid holes, only leading to too small amount of light source can
So that multiple keys is generated backlight, does not need to be arranged in a one-to-one correspondence light source below each key, improve the utilization rate of light source；It leads
Tabula rasa 2 and light source 31 are installed in avoid holes 11, are formed and are stopped by light of 1 structure of bracket to side, light can only lead to
The propagation of avoid holes 11 is crossed, light can not be exposed to other regions, only backlight be provided to the key of 11 top of avoid holes, to other positions
The key set does not generate interference.
On the basis of above scheme, at least two mutually independent avoid holes are set on bracket 1 in the utility model
11, at least one light source 31 is embedded in each avoid holes 11, and light source 31, light guide plate 2 are individually set in each avoid holes 11
Etc. structures, size matched according to the size that opens up of avoid holes 11, form multiple and different light emitting regions.
As shown in Figure 1A and Fig. 2, which provided three avoid holes 11, and arrangement above form is for reference only, and not only
It is limited to a kind of this setting form.The evacuation pore size of the left and right sides is smaller in figure, and intermediate evacuation pore size is larger, each evacuation
The corresponding key in hole 11 can be realized different functions, and the light source of different colours can be arranged in each avoid holes, pass through color
Distinguish different regions.
Fig. 3 is the position view of each Standard of backlight touch panel provided by the utility model, and each structure is by up and down
Sequence arranges；The utility model mounts diffusion barrier 4, the shape and size and light guide plate 2 of diffusion barrier 4 in the upper surface of light guide plate 2
It is identical.Diffusion barrier is a kind of metallic membrane with mini porous structures, plays diffusion to light by diffusion barrier, makes light
It is evenly dispersed.The upper surface of light guide plate 2 is arranged in diffusion barrier, for spreading the light spread out of in light guide plate from below.
Preferably, the backlight touch panel of the utility model further includes shading glue 5, and shading glue 5 is for being bonded connected bracket
1, luminous zone 3 and diffusion barrier 4；The light hole 51 for light transmission, the position of light hole 51 and avoid holes 11 are opened up on shading glue 5
It overlaps, and light hole 51 is less than avoid holes 11, and the range of beam projecting is further accurately limited by light hole 51；Guarantee to hide
Optical cement 5 is Nian Jie with the realization of the EDGE CONTACT of light guide plate 2.
Shading glue 5 generally uses black and white one side glue, will not need light emitting region and shelters from, and completely cuts off different colours light, makes
The light in each region, which does not generate, to be interfered with each other；Play the role of preventing light leakage simultaneously.
On the basis of any of the above-described technical solution, the backlight touch panel of the utility model further includes being fixed on bracket 1
The reflector plate 6 of lower surface, for upper and lower surfaces as referred to herein are the direction shown with screen, one where cover board
Side be it is upper, under opposite side is.Reflector plate 6 covers avoid holes 11 from below, and the upper surface of reflector plate 6 is for reflecting by leaded light
The light that plate 2 is spread out of downwards, the light spread out of downwards are utilized by reflection upwards again, keep the light luminance across cover board higher,
Light is fully used.Reflector plate 6 and bracket 1 are relatively fixed, by the mutual cooperation between reflector plate 6 and bracket 1, and match
The structures such as the cover board in portion are closed, light guide plate 2 is clipped in the middle, play the role of limit to light guide plate.
Preferably, luminous zone 3 is flexible circuit board in the utility model, and the thickness very little of flexible circuit board can be greatly
Reduce the thickness of screen entirety.Flexible circuit board is fitted in the upper surface of bracket 1, and LED light can be used in light source 31, in soft route
Corresponding circuit is etched on plate, light source is welded in flexible circuit board, by flexible circuit board to light source power supply.Flexible wire
Road plate and reflector plate 6 are located at the two sides of light guide plate 2, and reflector plate 6 can be made entirely to fit on light guide plate 2, make to reflect
The light uniformity that piece 6 reflects.
Reflector plate 6 and bracket 1 are adhesively fixed by the first double-sided adhesive 71, the shape of the first double-sided adhesive 71 and the shape of bracket 1
Shape is identical, and bracket 1 is opposite Nian Jie with reflector plate 6 along the edge entity part of aperture；Luminous zone 3, diffusion barrier 4 and bracket 1 are logical
It crosses the second double-sided adhesive 72 to be adhesively fixed, the aperture for avoiding light source 31 is opened up on the second double-sided adhesive 72, passes through the second double-sided adhesive
72 is effectively fixed by the light guide plate 2 and bracket 1 that have mounted diffusion barrier 4.Third between shading glue 5 and cover board by annular is two-sided
Glue 73 is adhesively fixed, and third double-sided adhesive 73 is attached on shading glue, and another side can be bonded with cover board, for fixing cover board, makes to cover
The surrounding of plate is tightly fastened.
The utility model also provides a kind of electronic equipment, and including above-mentioned backlight touch panel, which can be realized
Identical technical effect.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice, can realize in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of backlight touch panel characterized by comprising
Bracket (1) is in tabular, avoid holes (11) is arranged on the bracket (1)；
Light guide plate (2) is mounted in the avoid holes (11)；
Luminous zone (3), relatively fixed with the bracket (1), setting is for luminous light source (31) on the luminous zone (3)；Institute
It states light source (31) to be embedded in the avoid holes (11), the light that the light source (31) issues is conducted through the light guide plate (2)；
Cover board is covered on the bracket (1), and the light of light guide plate (2) outflow is conducted through the cover board, outside the cover board
It is correspondingly arranged key, the corresponding multiple and different key of the avoid holes (11).
2. backlight touch panel according to claim 1, which is characterized in that at least two phases are arranged on the bracket (1)
The mutual independent avoid holes (11), each avoid holes (11) are middle to be embedded at least one described light source (31).
3. backlight touch panel according to claim 1, which is characterized in that the upper surface of the light guide plate (2), which mounts, to be expanded
It dissipates film (4), the shape and size of the diffusion barrier (4) are identical as the light guide plate (2).
4. backlight touch panel according to claim 3, which is characterized in that further include for being bonded the bracket that is connected
(1), the shading glue (5) of the luminous zone (3) and the diffusion barrier (4)；The light passing for light transmission is opened up on the shading glue (5)
Hole (51), the light hole (51) and the position of the avoid holes (11) overlap, and the light hole (51) is less than described keep away
It allows hole (11).
5. backlight touch panel according to any one of claims 1 to 4, which is characterized in that further include being fixed on the branch
The reflector plate (6) of frame (1) lower surface, the reflector plate (6) cover the avoid holes (11) from below, the reflector plate (6)
Upper surface is used to reflect the light spread out of by the light guide plate (2).
6. backlight touch panel according to claim 5, which is characterized in that the luminous zone (3) is flexible circuit board, institute
State the upper surface that flexible circuit board is fitted in the bracket (1).
7. backlight touch panel according to claim 6, which is characterized in that the reflector plate (6) and the bracket (1) are logical
The first double-sided adhesive (71) is crossed to be adhesively fixed；The luminous zone (3), the diffusion barrier (4) and the bracket (1) are two-sided by second
Glue (72) is adhesively fixed, and the aperture for avoiding the light source (31) is opened up on second double-sided adhesive (72)；The shading glue
(5) it is adhesively fixed between the cover board by the third double-sided adhesive (73) of annular.
8. a kind of electronic equipment, which is characterized in that including the described in any item backlight touch panels of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311682.8U CN208670654U (en) | 2018-08-14 | 2018-08-14 | A kind of backlight touch panel and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821311682.8U CN208670654U (en) | 2018-08-14 | 2018-08-14 | A kind of backlight touch panel and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN208670654U true CN208670654U (en) | 2019-03-29 |
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ID=65836212
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821311682.8U Active CN208670654U (en) | 2018-08-14 | 2018-08-14 | A kind of backlight touch panel and electronic equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111052139A (en) * | 2019-11-05 | 2020-04-21 | 深圳市汇顶科技股份有限公司 | Under-screen fingerprint identification device, LCD fingerprint identification system and electronic equipment |
| CN117270262A (en) * | 2023-11-22 | 2023-12-22 | 苏州天立达精密科技股份有限公司 | Partition control backlight module, manufacturing device and manufacturing method thereof and display module |
-
2018
- 2018-08-14 CN CN201821311682.8U patent/CN208670654U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111052139A (en) * | 2019-11-05 | 2020-04-21 | 深圳市汇顶科技股份有限公司 | Under-screen fingerprint identification device, LCD fingerprint identification system and electronic equipment |
| CN111052139B (en) * | 2019-11-05 | 2024-03-15 | 深圳市汇顶科技股份有限公司 | Under-screen fingerprint identification device, LCD fingerprint identification system and electronic equipment |
| CN117270262A (en) * | 2023-11-22 | 2023-12-22 | 苏州天立达精密科技股份有限公司 | Partition control backlight module, manufacturing device and manufacturing method thereof and display module |
| CN117270262B (en) * | 2023-11-22 | 2024-01-30 | 苏州天立达精密科技股份有限公司 | Partition control backlight module, manufacturing device and manufacturing method thereof and display module |
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