CN200965575Y - Light guide plate and key module using this light guide plate - Google Patents
Light guide plate and key module using this light guide plate Download PDFInfo
- Publication number
- CN200965575Y CN200965575Y CN 200620137465 CN200620137465U CN200965575Y CN 200965575 Y CN200965575 Y CN 200965575Y CN 200620137465 CN200620137465 CN 200620137465 CN 200620137465 U CN200620137465 U CN 200620137465U CN 200965575 Y CN200965575 Y CN 200965575Y
- Authority
- CN
- China
- Prior art keywords
- light
- light guide
- guide plate
- lead layer
- key
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model relates to a light conducting plate and a key-press module using the light conducting plate. The key-press module comprises a touch sensitive layer, the light conducting plate and a light source. Wherein, the touch sensitive layer is provided with a pressing face and a touch conducting light face, and the light conducting plate is positioned below the touch conducting light face of the touch sensitive layer, and the touch sensitive layer also consists of a guide light layer and an assistant light layer. The guide light layer is soft piece body and provided with a reflecting face with a plurality of guide light parts. The assistant light layer is hard photic piece body, and is correspondingly overlapped and arranged above the reflection face of the guide light layer. In addition, the light source is arranged at one side of the of the light conducting plate, the light source is used for making the light shine in from the side of the assistant light layer and reflect out from the reflecting face and light conducting part of the guide light layer. For the utility model, the subassembly touched with the guide light layer of the light conducting plate is not easy to produce abrasion and permanent distorting, thereby greatly prolonging the service life of the light conducting plate or the key-press module.
Description
Technical field
The utility model relates to a kind of light guide plate and uses the key-press module of this light guide plate, particularly a kind of light guide plate and key-press module that is used for electronic installation.
Background technology
Progress and development along with science and technology, electronic installation such as mobile phone, personal digital aid (PDA) etc., the information articles for use that become modern's indispensability all have key-press module in these electronic installations, and provide information transmission between user and the electronic installation, or carry out the various difference in functionalitys of electronic installation by this key-press module.In addition, for guaranteeing that the user can be under the situation of no light source irradiation, but each button of operational control button mode still, internal configurations at key-press module has light guide plate and light source, and the light that light source sent can be broken forth by the reflection of light guide plate, make the user in dim environment, also can clearly pick out each key position, figure and numeral, carrying out pressing operation easily, thereby improve the functions of use of electronic installation greatly.
The conventional keys module mainly comprises touch control layer, light guide plate and light source.Wherein touch control layer has press surface and touches light guiding surface, and what light guide plate was located at touch control layer touching light guiding surface below, and it has the hard plate body, is formed with the plane of incidence at the plate body side, and the top is formed with exit facet, is formed with reflecting surface corresponding to the exit facet below.Light source is arranged at a side of light guide plate, in order to light is shining into from the plane of incidence, is penetrated by exit facet from the reflecting surface reflection back of light guide plate, thereby constitutes key-press module.
Yet still there is following problems in actual use in traditional key-press module, promptly, because its light guide plate is the hard plate body, under long-time and high-frequency pressing operation, very easily make to produce abrasion damage fast, and its pressing touch is bad with contacted each assembly of light guide plate.In addition, the below of this light guide plate disposes the shell fragment film with a plurality of metal clips usually, this metal clips produces local plastic deformation very easily thereon, and significantly shortens the serviceable life of light guide plate or key-press module after being subjected to amplexiforming of most times of light guide plate and pushing.In addition, for reaching good reflecting effect, the thickness of light guide plate is difficult for effective slimming, thereby disagrees with the demand of electronic installation " light, thin, short, little ", not only make the loaded down with trivial details inconvenience that being assembled of each assembly is suitable, and can't effectively reduce the material cost of assembly.
The utility model content
In order to address the above problem, the utility model provides a kind of light guide plate, comprises light lead layer and auxilliary photosphere, and this light lead layer is soft lamellar body, and it has reflecting surface, is laid with a plurality of light guide sections on reflecting surface, in order to the light reflection is broken forth; And auxilliary photosphere is a hard printing opacity lamellar body, and its correspondence stacks on the reflecting surface of light lead layer.
The utility model also provides a kind of key-press module, comprises touch control layer, light guide plate and light source, and wherein this touch control layer has press surface and is formed at the light guiding surface that touches of press surface below; What light guide plate was located at touch control layer touching light guiding surface below, and it comprises light lead layer and auxilliary photosphere, and this light lead layer is soft lamellar body, it has reflecting surface, be provided with a plurality of light guide sections on reflecting surface, this auxilliary photosphere is a hard printing opacity lamellar body, and its correspondence stacks above the reflecting surface of light lead layer; In addition, this light source is located at a side of light guide plate, in order to the side of light from auxilliary photosphere is shining into, is broken forth by the reflecting surface and the light guide section reflection of light lead layer again.
The beneficial effects of the utility model are, a kind of light guide plate can be provided and use the key-press module of this light guide plate, it is for the finger presses operation time, be difficult for producing abrasion fast on the surface of light guide plate, in addition, can not produce local permanent strain with the contacted assembly of bottom surface of light guide plate yet, thereby significantly prolong the serviceable life of light guide plate or key-press module.
Another beneficial effect of the present utility model is, a kind of light guide plate can be provided and use the key-press module of this light guide plate, and it not only can increase the pressing touch of touch control layer, and because its thinner thickness, and is therefore more simple when being assembled, make things convenient for.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model light guide plate;
Fig. 2 is the combination synoptic diagram of the utility model key-press module;
Fig. 3 is the a-quadrant partial enlarged drawing of Fig. 2;
Fig. 4 is the user mode cut-open view of the utility model key-press module;
Fig. 5 is another embodiment assembled sectional view of the utility model key-press module.
In the accompanying drawing, the list of parts of each label representative is as follows:
Keycap 13 touch lug 14
Perforate 41 metal clips 42
Embodiment
About technology contents of the present utility model and detailed description, existing accompanying drawings is as follows, yet accompanying drawing only is used to provide reference and explanation, is not to be used for the utility model is limited.
Fig. 1, Fig. 2 and Fig. 3 are respectively the three-dimensional exploded view of the utility model light guide plate, the combination synoptic diagram of key-press module and the a-quadrant partial enlarged drawing of Fig. 2.The utility model provides a kind of light guide plate and uses the key-press module of this light guide plate, and this key-press module mainly comprises touch control layer 10, light guide plate 20 and light source 30, wherein:
What light guide plate 20 was located at touch control layer 10 touches light guiding surface 12 belows, and it includes light lead layer 21 and auxilliary photosphere 22, light lead layer 21 can be silicones soft lamellar bodies such as (Silicone), and it has reflecting surface 211 and is formed at the bottom surface 212 of reflecting surface 211 belows, locating to be provided with respectively a plurality of intervals block 213 on the reflecting surface 211 and below corresponding to each keycap 13, be laid with one or more light guide section 214 respectively in the block 213 at interval at each, light guide section 214 can be the semi-round ball depression hole as present embodiment, its diameter dimension is between 0.01～0.1 millimeter, and the distribution density in the depressions hole in each interval block 213 is between 1 point/square millimeter～20 point/square millimeters; In addition, the bottom surface of light lead layer 21 is extended downwards and is formed with a plurality of signal salient points 215 (as shown in Figure 3) that are provided with corresponding to the touch lug 14 of touch control layer 10.
In addition, the utility model key-press module also includes shell fragment film 40, its correspondence is arranged at light guide plate 20 belows, shell fragment film 40 can be by polyethylene terephthalate (PolyethyleneTerephthalate, PET) material is made, which is provided with a plurality of perforates 41, in perforate 41, be connected with metal clips 42 respectively, to amplexiform mutually with signal salient point 215 corresponding to the signal salient point 215 of light guide plate 20.
With reference to shown in Figure 4, it is the user mode cut-open view of the utility model key-press module, finger with human body during use is pushed downwards the keycap 13 of touch control layer 10, touch lug 14 will be followed keycap 13 and be moved down, and press on the auxilliary photosphere 22 of light guide plate 20, the auxilliary photosphere 22 and the regional area distortion downwards of light lead layer 21 are moved, and the signal salient point 215 that is positioned at light lead layer 21 bottom surface will press the metal clips 42 in shell fragment film 40.By the elastic deformation of metal clips 42, can make the switch element (not shown) that is arranged in the metal clips 42 open or close.
With reference to shown in Figure 5, it is another embodiment assembled sectional view of the utility model key-press module, key-press module of the present utility model is except that the kenel that can be the foregoing description, and the light guide section 214 of the reflecting surface 211 of its light lead layer 21 also can be the kenel that forms in the project grain on the reflecting surface 211.Thus, light source 30 is shining into the light of auxilliary photosphere 22 inside from side, can be by breaking forth from auxilliary photosphere 22 end faces again after each corpuscular light guide section 214 scattering, thus significantly promote the homogeneity of light guide plate 20 outgoing beams.
According to light guide plate of the present utility model and use the key-press module of this light guide plate, have the following advantages really, that is,, the auxilliary photosphere 22 of its hard wears away phenomenon fast because for the finger presses operation of human body, therefore being difficult for producing on the surface of light guide plate 20; In addition, amplexiform mutually with metal clips 42 by soft light lead layer 21, metal clips 42 is pressed when producing distortion, meeting is not easy to wear and permanent strain because of the softness characteristics of soft light lead layer 21, and then significantly prolongs the serviceable life of light guide plate 20.In addition, assist the light guide plate 20 that photosphere 22 is formed by soft light lead layer 21 and hard, not only can increase keycap 13 pressing touch of touch control layer 10, and because its thinner thickness is therefore more simple when being assembled with touch control layer 10, shell fragment film 40 etc., convenient.
In sum, light guide plate of the present utility model and use the key-press module of this light guide plate to have practicality, novelty and creativeness, and structure of the present utility model does not see like product and public use, more do not publish before the application on any publication, meet the requirement of utility application fully, propose the application according to Patent Law hereby.
Claims (17)
1. a light guide plate is characterized in that, comprising:
Light lead layer (21), it is soft lamellar body, and has reflecting surface (211), is laid with a plurality of light guide sections (214) that light reflection is broken forth of being used on reflecting surface (211); And
Auxilliary photosphere (22), it is a hard printing opacity lamellar body, and correspondence stacks reflecting surface (211) top at described light lead layer (21).
2. light guide plate as claimed in claim 1 is characterized in that, described light lead layer (21) is made for silica gel material.
3. light guide plate as claimed in claim 1 is characterized in that, combines so that the hot pressing mode is laminated between described light lead layer (21) and the described auxilliary photosphere (22).
4. light guide plate as claimed in claim 1 is characterized in that, combines so that the glue adhesive means is laminated between described light lead layer (21) and the auxilliary photosphere (22).
5. light guide plate as claimed in claim 1 is characterized in that, the light guide section (214) of described light lead layer (21) is for forming in the project grain on the described reflecting surface (211).
6. light guide plate as claimed in claim 1 is characterized in that, the light guide section (214) of described light lead layer (21) is for forming in the depression hole on the described reflecting surface (211).
7. light guide plate as claimed in claim 1 is characterized in that, the bottom surface of described light lead layer (21) extension downwards is formed with a plurality of signal salient points (215).
8. light guide plate as claimed in claim 1 is characterized in that, described auxilliary photosphere (22) is made for any material among TPU, PC, PMMA or the PET.
9. key-press module comprises:
Touch control layer (10), what have press surface (11) and be formed at press surface (11) below touches light guiding surface (12);
Light guide plate (20), be positioned at touching below the light guiding surface (12) of touch control layer (10), described light guide plate (20) comprises light lead layer (21) and auxilliary photosphere (22), described light lead layer (21) is soft lamellar body, it has reflecting surface (211), reflecting surface (211) is provided with a plurality of light guide sections (214), and described auxilliary photosphere (22) is a hard printing opacity lamellar body, and its correspondence stacks in the reflecting surface of light lead layer (21) (211) top; And
Light source (30) is located at a side of light guide plate (20), in order to the side of light from auxilliary photosphere (22) is shining into, is broken forth by the reflecting surface (211) and light guide section (214) reflection of light lead layer (21) again.
10. key-press module as claimed in claim 9 is characterized in that, described light lead layer (21) is made for silica gel material.
11. key-press module as claimed in claim 9 is characterized in that, combines so that the hot pressing mode is laminated between described light lead layer (21) and the auxilliary photosphere (22).
12. key-press module as claimed in claim 9 is characterized in that, combines so that the glue adhesive means is laminated between described light lead layer (21) and the auxilliary photosphere (22).
13. key-press module as claimed in claim 9 is characterized in that, the light guide section (214) of described light lead layer (21) is for forming in the project grain of reflecting surface (211).
14. key-press module as claimed in claim 9 is characterized in that, the light guide section (214) of described light lead layer (21) is for forming in the depression hole of reflecting surface (211).
15. key-press module as claimed in claim 9 is characterized in that, described auxilliary photosphere (22) is made for any material among TPU, PC, PMMA or the PET.
16. key-press module as claimed in claim 9, it also comprises shell fragment film (40), and described shell fragment film (40) correspondence is arranged on described light guide plate (20) below.
17. key-press module as claimed in claim 16, it is characterized in that, described shell fragment film (40) is provided with a plurality of metal clips (42), and the bottom surface of described light lead layer (21) extension downwards is formed with a plurality of signal salient points (215) corresponding to described metal clips (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137465 CN200965575Y (en) | 2006-10-25 | 2006-10-25 | Light guide plate and key module using this light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620137465 CN200965575Y (en) | 2006-10-25 | 2006-10-25 | Light guide plate and key module using this light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200965575Y true CN200965575Y (en) | 2007-10-24 |
Family
ID=38869592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620137465 Expired - Fee Related CN200965575Y (en) | 2006-10-25 | 2006-10-25 | Light guide plate and key module using this light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200965575Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102102856A (en) * | 2009-12-18 | 2011-06-22 | 比亚迪股份有限公司 | Light guide component and manufacturing method thereof |
| CN102261575A (en) * | 2010-05-28 | 2011-11-30 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
| CN101770306B (en) * | 2008-12-31 | 2013-09-18 | 华硕电脑股份有限公司 | Touch control plate and electronic device |
-
2006
- 2006-10-25 CN CN 200620137465 patent/CN200965575Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101770306B (en) * | 2008-12-31 | 2013-09-18 | 华硕电脑股份有限公司 | Touch control plate and electronic device |
| CN102102856A (en) * | 2009-12-18 | 2011-06-22 | 比亚迪股份有限公司 | Light guide component and manufacturing method thereof |
| CN102261575A (en) * | 2010-05-28 | 2011-11-30 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
| CN102261575B (en) * | 2010-05-28 | 2014-07-16 | 鸿富锦精密工业（深圳）有限公司 | Backlight module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI220213B (en) | Keyboard structure | |
| US8317384B2 (en) | Light guide film with cut lines, and optical keypad using such film | |
| TWI441044B (en) | Self-luminous board with keyboard | |
| US8878086B2 (en) | Luminous keyboard | |
| TWI489499B (en) | Luminous keyboard | |
| CN101504570B (en) | Key sheet | |
| TWI423289B (en) | Membrane circuit board and luminous keyboard using the same | |
| CN1862732A (en) | Keypad with light guide layer, keypad assembly and portable terminal | |
| TWI478195B (en) | Luminous keyboard | |
| TW201140634A (en) | Luminous keyboard | |
| US20180106956A1 (en) | Backlight module with membrane switch function | |
| JP5029572B2 (en) | Light guide plate, wiring module and electronic device | |
| TWI553682B (en) | Luminous keyboard | |
| CN200965575Y (en) | Light guide plate and key module using this light guide plate | |
| US20110278147A1 (en) | Keyboard device | |
| TWI430310B (en) | Luminous keyboard | |
| TWI449071B (en) | Luminous keying module of handheld device | |
| TW201029525A (en) | Self-illuminating circuit board structure | |
| CN101165831B (en) | Light conducting board structure manufacture method and key module possessing same | |
| CN104409265A (en) | Backlight module, manufacture method of backlight module, and luminescence keyboard | |
| WO2023160125A1 (en) | Luminous keyboard and electronic device | |
| JP4398711B2 (en) | Illuminated keypad and illumination structure | |
| US20090178906A1 (en) | Keypad panel assembly having arrays of micropores | |
| CN102253720A (en) | Luminescent keyboard | |
| TWI381290B (en) | Improved keyboard structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20121025 |