CN207213752U - A kind of touch panel unit - Google Patents
A kind of touch panel unit Download PDFInfo
- Publication number
- CN207213752U CN207213752U CN201720902700.9U CN201720902700U CN207213752U CN 207213752 U CN207213752 U CN 207213752U CN 201720902700 U CN201720902700 U CN 201720902700U CN 207213752 U CN207213752 U CN 207213752U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- touch
- light guide
- shadow shield
- panel unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
A kind of touch panel unit, including the contact panel sequentially set from top to bottom, shadow shield, light guide plate and touch-screen main body, the edge of bottom on the shadow shield is provided with annular boss, the annular groove matched with the annular boss is offered in the touch-screen main body, the annular boss is located in the annular groove and is connected by glue with the touch-screen main body, the light guide plate is arranged on the inner side of the annular boss and is bonded with the bottom of the shadow shield, there is accommodation space between the light guide plate and the touch-screen main body, LED is provided with the accommodation space, through hole is opened up on the shadow shield, the position of the through hole is corresponding with the button on the contact panel.The utility model embodiment is by setting light guide plate to make key light emitting uniform.
Description
Technical field
Electronic technology field is the utility model is related to, more particularly to a kind of touch panel unit.
Background technology
With the development of science and technology electronic equipment obtains fast development, existing electronic equipment such as mobile phone, computer, flat board etc.
Using touch panel unit, touch controllable function is realized by touch panel unit.
Existing touch panel unit contact panel, shadow shield, light guide plate and touch-screen main body, its button used is using tactile
Control virtual key, the key legend being for example, arranged on contact panel.When user operates on it, due to consideration that with
Family can wait at night to be used under the scene for not seeing Chu, often send backlight allow users to see the touch-control virtually by
Key, the problem of from without pressing by mistake.
In order that key light emitting is uniform, in existing touch panel unit, light guide plate is set between button and light source.It is but existing
In some touch panel units, usually there is the problem of light leak and light utilization difference in illuminating source corresponding to button.
Utility model content
In view of above-mentioned condition, there is light leak for the key light emitting of touch panel unit in the prior art and light utilization is low
The problem of, there is provided a kind of touch panel unit.
A kind of touch panel unit, including contact panel, shadow shield, light guide plate and the touch-screen master sequentially set from top to bottom
Body, the edge of the bottom on the shadow shield are provided with annular boss, offered in the touch-screen main body and the annular boss
The annular groove of matching, the annular boss are located in the annular groove and are connected by glue with the touch-screen main body,
The light guide plate is arranged on the inner side of the annular boss and is bonded with the bottom of the shadow shield, and the light guide plate touches with described
Touching between screen main body has an accommodation space, is provided with LED in the accommodation space, through hole is opened up on the shadow shield, described to lead to
The position in hole is corresponding with the button on the contact panel.
Above-mentioned touch panel unit, wherein, the region of light guide plate is provided with reflecting coating described in the touch-screen main body face.
Above-mentioned touch panel unit, wherein, the opening size of the annular groove is less than the chi of the bottom of the annular groove
It is very little.
Above-mentioned touch panel unit, wherein, the height of the annular boss is more than the height of the light guide plate.
Above-mentioned touch panel unit, wherein, it is additionally provided with blooming piece between the light guide plate and the shadow shield.
Above-mentioned touch panel unit, wherein, the light guide plate is pasted on the shadow shield by black and white double faced adhesive tape.
Above-mentioned touch panel unit, wherein, the shadow shield is pasted on the contact panel by black and white double faced adhesive tape.
Above-mentioned touch panel unit, wherein, the annular boss uses light tight material.
Above-mentioned touch panel unit, wherein, the button setting on the contact panel is multiple, and through hole is opened up on the shadow shield
Quantity it is identical with the quantity of the button, be correspondingly arranged a light guide plate below each through hole.
The utility model embodiment is by setting light guide plate to make key light emitting uniform, and the annular boss on shadow shield passes through
Glue is fixed in the groove in touch-screen main body, and annular boss is light tight material, can play good interception, avoid
Button light leak.The lower section direct projection of light guide plate is arranged on by LED and improves light utilization to light guide plate.In the present embodiment
By the optimization of touch panel unit structure, solve the problems, such as key light emitting light source light leak and light utilization difference well, and
The touch panel unit processing of optimization is simple, suitable for production.
Brief description of the drawings
Fig. 1 is the decomposition texture schematic diagram of the touch panel unit in the utility model first embodiment；
Fig. 2 is the sectional view of the touch panel unit in the utility model first embodiment；
Fig. 3 is the sectional view of the touch panel unit in the utility model second embodiment；
Fig. 4 is the structural representation of shadow shield in the utility model second embodiment.
Main element symbol description
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.The utility model embodiment is given in accompanying drawing.But the utility model can be realized in many different forms, and
It is not limited to embodiment described herein.On the contrary, the purpose for providing the embodiment is made to disclosure of the present utility model
More thorough and comprehensive.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
Fig. 1 and Fig. 2 are referred to, is the touch panel unit in the utility model first embodiment, including from top to bottom sequentially
Contact panel 1, shadow shield 2, light guide plate 3 and the touch-screen main body 4 of setting.The contact panel 1, which is used for touch-control sensing, includes glass
Glass cover plate, touch control electrode etc., contact panel 1 are provided with one or more buttons or key legend.The touch-screen main body 4 includes
The devices such as shell, pcb board, chip.
The shadow shield 2 is fitted on contact panel 1.The shadow shield 2 is a slab construction, and the edge of its bottom is provided with
Annular boss 5, the annular boss 5 extends downward into be connected with touch-screen main body 4.When it is implemented, the annular boss 5
It can be set along the edge of shadow shield 2, can also have a certain distance apart from edge.In the present embodiment, annular boss 5 is with hiding
Tabula rasa 2 uses lighttight material, and annular boss 5 is arranged on the edge of shadow shield 2 during processing and shadow shield 2 is integrally formed.
It should be understood that in other embodiment of the present utility model, the shadow shield 2 is pasted in institute by black and white double faced adhesive tape
State on contact panel 1.Black and white double faced adhesive tape has shading and reflection function, and white face hardly picks up light, and black flour shaded effect is good,
Without pin mark printing opacity.It can make shadow shield 2 that there is shaded effect, therefore can also be used thoroughly using shadow shield 2 during black and white double faced adhesive tape
The material of light or micro- printing opacity.
The annular groove 6 matched with the annular boss 5 is offered in the touch-screen main body 4, the annular groove 6 is molten
Glue groove, the annular boss 5 are arranged in the annular groove 6 and are fixedly connected by glue with the touch-screen main body 4.Institute
Size of the opening size less than the bottom of the annular groove 6 of annular groove 6 is stated, so design can hold annular groove 6
Receive more glue, be not easy to extrude in glue when facilitating the fixation of annular boss 5, and annular boss 5 is inserted in annular groove 6
Overflow, can prevent from polluting the component of touch panel unit.
The light guide plate 3 is arranged on the inner side of the annular boss 5 and is bonded with the bottom of the shadow shield 2, light guide plate 3
Spot light can be converted to area source makes key light emitting uniform.Light guide plate 3 is fitted in the bottom of shadow shield 2 by black and white double faced adhesive tape
Portion, when the light guide plate is fitted on shadow shield, paying attention to the place of through hole on shadow shield not paste black and white double faced adhesive tape, in order to avoid block light
Line is irradiated on button.
The height of annular boss 5 is more than the height of light guide plate 3, has between the light guide plate 3 and the touch-screen main body 4
There is accommodation space, LED 7 is provided with the accommodation space.Open up through hole 8 on the shadow shield 2, the position of the through hole 8 with
Button on the contact panel 1 is corresponding.The light direct beam of LED 7 uniformly projects on light guide plate 3 above light guide plate 3, shines
Penetrate on button, make key light emitting uniform.LED lamps 7 are arranged on the lower section of light guide plate 3, can be with light direct projection to light guide plate 3
Improve light utilization.
Further, the size of the light guide plate 3 is more than the size of the through hole 8, in favor of the homogenous diffusion of LED lamplight
Key area on to touch panel unit.
Further, the region of light guide plate 3 described in the face of touch-screen main body 4 is provided with reflecting coating 9.The reflecting coating
9 be that the region that accommodation space is for example corresponded on the surface of touch-screen main body is formed by printing white or light tone ink, can also
It is fabricated directly into minute surface.By reflecting coating 9 by the light reflection of LED to light guide plate 3, LED is utilized to the full extent
Light.
The present embodiment is by setting light guide plate to make key light emitting uniform, and the annular boss on shadow shield is fixed by glue
In groove in touch-screen main body, annular boss is light tight material, can play good interception, avoid button from leaking
Light.The lower section direct projection of light guide plate is arranged on by LED and improves light utilization to light guide plate.By touching in the present embodiment
The optimization of screen assembly structure is touched, solves the problems, such as key light emitting light source light leak and light utilization difference well, and optimize
Touch panel unit processing is simple, suitable for production.
Further, in other embodiment of the present utility model, light is additionally provided between the light guide plate and the shadow shield
Learn diaphragm.Blooming piece is fitted between light guide plate and shadow shield, and blooming piece plays uniform light above light guide plate, and converges
Poly- wide-angle light is for effects such as front observations.The blooming piece comprises at least bright enhancement film and diffusion barrier.
Refer to Fig. 3 and Fig. 4, be the utility model second embodiment in touch panel unit, its with first embodiment
Touch panel unit structure it is essentially identical, difference is, button on the contact panel sets multiple, the shading
Open up that the quantity of through hole 8 is identical with the quantity of the button on plate, the lower section of each through hole 8, which is correspondingly arranged described in one, leads
Tabula rasa 3.Multiple light guide plates 3 are pasted in the bottom of shadow shield 2 by black and white double faced adhesive tape.It should be understood that 4 in touch-screen main body
LED 7 can also set it is multiple, to increase light-emitting zone, beneficial to the luminous of multiple buttons.
Embodiment described above only expresses embodiment of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope can not be interpreted as.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection domain of utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of touch panel unit, including contact panel, shadow shield, light guide plate and the touch-screen master sequentially set from top to bottom
Body, it is characterised in that the edge of the bottom on the shadow shield is provided with annular boss, is offered in the touch-screen main body and institute
The annular groove of annular boss matching is stated, the annular boss is located in the annular groove and passes through glue and the touch-screen
Main body connects, and the light guide plate is arranged on the inner side of the annular boss and is bonded with the bottom of the shadow shield, the leaded light
There is accommodation space between plate and the touch-screen main body, be provided with LED in the accommodation space, opened up on the shadow shield logical
Hole, the position of the through hole are corresponding with the button on the contact panel.
2. touch panel unit as claimed in claim 1, it is characterised in that the area of light guide plate described in the touch-screen main body face
Domain is provided with reflecting coating.
3. touch panel unit as claimed in claim 1, it is characterised in that the opening size of the annular groove is less than the ring
The size of the bottom of connected in star.
4. touch panel unit as claimed in claim 1, it is characterised in that the height of the annular boss is more than the light guide plate
Height.
5. touch panel unit as claimed in claim 1, it is characterised in that be additionally provided between the light guide plate and the shadow shield
Blooming piece.
6. touch panel unit as claimed in claim 1, it is characterised in that the light guide plate is pasted in institute by black and white double faced adhesive tape
State on shadow shield.
7. touch panel unit as claimed in claim 1, it is characterised in that the shadow shield is pasted in institute by black and white double faced adhesive tape
State on contact panel.
8. touch panel unit as claimed in claim 1, it is characterised in that the annular boss uses light tight material.
9. touch panel unit as claimed in claim 1, it is characterised in that the button on the contact panel sets multiple, institute
It is identical with the quantity of the button to state the quantity of the through hole opened up on shadow shield, is correspondingly arranged below each through hole
One light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902700.9U CN207213752U (en) | 2017-07-24 | 2017-07-24 | A kind of touch panel unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902700.9U CN207213752U (en) | 2017-07-24 | 2017-07-24 | A kind of touch panel unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213752U true CN207213752U (en) | 2018-04-10 |
Family
ID=61813722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720902700.9U Active CN207213752U (en) | 2017-07-24 | 2017-07-24 | A kind of touch panel unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471555A (en) * | 2018-10-25 | 2019-03-15 | 惠州Tcl移动通信有限公司 | Touch-control display module and touch control display apparatus, electronic equipment |
| WO2021068870A1 (en) * | 2019-10-09 | 2021-04-15 | 维沃移动通信有限公司 | Key structure, key control method, and electronic device |
-
2017
- 2017-07-24 CN CN201720902700.9U patent/CN207213752U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471555A (en) * | 2018-10-25 | 2019-03-15 | 惠州Tcl移动通信有限公司 | Touch-control display module and touch control display apparatus, electronic equipment |
| WO2021068870A1 (en) * | 2019-10-09 | 2021-04-15 | 维沃移动通信有限公司 | Key structure, key control method, and electronic device |
| US11789608B2 (en) | 2019-10-09 | 2023-10-17 | Vivo Mobile Communication Co., Ltd. | Key structure, key control method, and electronic device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208609032U (en) | Display screen component and electronic equipment | |
| WO2017016350A1 (en) | Display screen assembly, front cover of terminal, and terminal | |
| CN204256625U (en) | Printing opacity display structure part and terminal | |
| CN206601654U (en) | A kind of concealed light-transmitting pattern and cover plate | |
| CN207213752U (en) | A kind of touch panel unit | |
| CN204204709U (en) | The backlight module of light leakage | |
| CN103672741A (en) | Light guide module and electronic device | |
| CN205068334U (en) | Touch button structure in a poor light and terminal | |
| CN102832070B (en) | The key cap manufacturing process of illuminated keyboard and illuminated keyboard | |
| CN105807964B (en) | Dark border touch panel | |
| CN204143403U (en) | A kind of touch-screen and display device thereof | |
| CN209640827U (en) | A kind of improved touch control display panel | |
| CN207232924U (en) | Touch-control display module | |
| CN203746721U (en) | Touch control integrative machine's button light guiding structure | |
| CN105302377B (en) | Cover sheet and apply its touch device | |
| CN205247364U (en) | Take capacitive touch screen of button backlight | |
| CN203365348U (en) | Glass detection device | |
| CN208337540U (en) | A kind of touch controlled key panel | |
| CN105739791B (en) | Touch control device, smart phone and backlight touch inductive component | |
| CN204067139U (en) | The reflection unit of keyboard back light | |
| CN205384598U (en) | One -chip capacitive touch screen | |
| WO2021244436A1 (en) | Backlight structure and display device | |
| CN212012604U (en) | Touch induction device and induction cooker | |
| CN208314747U (en) | A kind of pressure-induced capacitance screen | |
| CN208654760U (en) | One kind can touch control type touch screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200525 Address after: 344000 caidu Industrial Park, Linchuan District, Fuzhou City, Jiangxi Province Patentee after: Fuzhou Lianchuang Electronic Co., Ltd Address before: 330096, No. 1699, Jingdong Avenue, Nanchang hi tech Development Zone, Jiangxi Patentee before: JIANGXI LIANCHUANG ELECTRONIC Co.,Ltd. |