CN102136386B - Key component and portable electronic device with key component - Google Patents
Key component and portable electronic device with key component Download PDFInfo
- Publication number
- CN102136386B CN102136386B CN201010300613.9A CN201010300613A CN102136386B CN 102136386 B CN102136386 B CN 102136386B CN 201010300613 A CN201010300613 A CN 201010300613A CN 102136386 B CN102136386 B CN 102136386B
- Authority
- CN
- China
- Prior art keywords
- keypad
- soft
- occulter
- button assembly
- guide plate
- 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.)
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Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Abstract
The invention provides a key component and a portable electronic device with the key component. The key component comprises a soft rubber plate, a transparent light guide plate, a light-tight shading piece, a keypad and a light-tight soft occulter, wherein a plurality of pressing parts protrude from the rubber plate; a plurality of key holes are formed on the light guide plate corresponding to the pressing parts; the shading piece is coated on the peripheral wall of the light guide plate; the pressing parts pass through the key holes and are pressed against the keypad; and the soft occulter is arranged between the keypad and the shading piece.
Description
Technical field
The present invention relates to a kind of button assembly, particularly relate to a kind of button assembly being applied to portable electron device.
Background technology
In Cell Phone Design, still can use in the dark for making it, normal employing mobile phone key Lighting Design, general employing light-emitting diode (light-emitting diode, hereinafter referred to as LED) as lamp source, this LED is placed on Mobile phone PCB, required light place in direct directive key number, therefore each button will be made can both to have uniform brightness because of the irradiation of this LED, the control of LED quantity just there is different demands along with the difference of design, generally need the LED of greater number, not only increase cost, in addition, too increase the whole power consumption of mobile phone.In order to reduce LED light source quantity, cost and obtain uniform light source, normal employing light guide plate transmission and homogenizing light.
Although the brightness of LED point light source can be delivered to each button place by light guide plate, thus realize the illumination to each button.But owing to usually there is fit-up gap between hand-set push-button panel and casing, after the light thus sent by LED light source is derived via this light guide plate, some light appears from this fit-up gap, namely light leakage phenomena occurs.In addition, the brightness of the light sent due to LED light source is certain, because appear from fit-up gap due to some light, must affect the illuminating effect of button.
Summary of the invention
In view of this, be necessary to provide a kind of button assembly preventing light leak.
There is a need to provide a kind of portable electron device being equiped with described button assembly.
A kind of button assembly, it comprises a soft rubber plate, a transparent light guide plate, a lighttight covering and a keypad, this rubber slab is convexly equipped with some press sections, in this light guide plate, corresponding described press section is formed with some key holes, the perisporium of this covering this light guide plate coated, described press section is passed this key hole and is offseted with this keypad, this button assembly also comprises a lighttight soft occulter, and this soft occulter is located between this keypad and this covering and along the perisporium of keypad and arranges.
A kind of portable electron device, it comprises a button assembly, one circuit board and a casing, this circuit board is arranged in casing, this button assembly is arranged on this circuit board, this button assembly comprises a soft rubber plate, one transparent light guide plate, one lighttight covering and a keypad, this rubber slab is provided with some press sections, in this light guide plate, corresponding described press section is formed with some key holes, the perisporium of this covering this light guide plate coated, described press section by this key hole by and offset with this keypad, this button assembly also comprises a lighttight soft occulter, this soft occulter is arranged between this keypad and this covering and along the perisporium of keypad and arranges.
Compared to prior art, described button assembly forms a lighttight covering on the perisporium of light guide plate, the light that can prevent light source from sending spills from the perisporium of light guide plate, simultaneously, one lighttight soft occulter is set between keypad and covering, when on the casing that this button assembly is assemblied in a portable electron device, this soft occulter effectively can stop that light spills from the fit-up gap of keypad and this casing.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of the button assembly of present pre-ferred embodiments.
Fig. 2 is the perspective exploded view of another angle of the button assembly shown in Fig. 1.
Fig. 3 is the schematic diagram rubber slab of the button assembly shown in Fig. 1, light guide plate and covering are assembled in together.
Fig. 4 is by the assembling schematic diagram of the button assembly shown in Fig. 1.
Fig. 5 is the cutaway view of Fig. 4 along V-V line.
Fig. 6 is the enlarged diagram in VI portion in Fig. 5.
Main element symbol description
Mobile phone 100
Circuit board 10
Trigger shell fragment 12
Light source 13
Button assembly 20
Rubber slab 21
First surface 211
Second surface 213
Protruding 215
Press section 217
Light guide plate 23
Light source hole 231
Key hole 233
Perisporium 235
Covering 25
Framework 252
Room 254
Keypad 27
Operating surface 271
Inner surface 273
Soft occulter 29
Casing 30
Sidewall 32
Catching step 322
Fit-up gap 40
Embodiment
The invention discloses a kind of button assembly, it is applicable to the portable electron device such as mobile phone, PDA, is illustrated in the present embodiment for the button assembly being applied to mobile phone.
Refer to Fig. 1, Fig. 2 and Fig. 5, this mobile phone 100 comprises circuit board 10, button assembly 20 and a casing 30.This button assembly 20 is arranged on this circuit board 10, and this circuit board 10 is arranged in casing 30.
This circuit board 10 is provided with some arcs and triggers shell fragment 12 and some light sources 13.In the present embodiment, this light source 13 is a light-emitting diode (light emitting diode, LED).
Button assembly 20 comprises soft rubber plate 21, transparent light guide plate 23, covering 25, keypad 27 and a soft occulter 29.
Rubber slab 21 comprises one and sees Fig. 2 towards the first surface 211(of this circuit board 10) and one and the opposing second surface 213 of this first surface 211.Described triggering shell fragment 12 projection some protruding 215 is corresponded on this first surface 211.On second surface 213, correspond to described protruding 215 be convexly equipped with some press sections 217.Rubber slab 21 is made up, as thermoplastic polyurethane etc. of thermoplastic elastic rubber.
This light guide plate 23 is roughly a square plate body, and on it, corresponding described light source 13 offers some light source holes 231 and corresponding described press section 217 offers some key holes 233.Described light source hole 231 is for this light source 13 accommodating, and described key hole 233 passes through for making this press section 217.Light guide plate 23 is made up of thermoplastic resin material, such as can be made up of one or more of Corvic (polyvinyl chloride), polycarbonate resin (polycarbonate) and polystyrene (polystyrene).Light guide plate 23 comprises a perisporium 235, and this perisporium 235 is used for being combined with this covering 25.
Covering 25 is roughly a square framework, and it comprises a quadra 252, and framework 252 surrounds a room 254, and the shape of room 254 is suitable with the shape of light guide plate 23, and slightly larger than light guide plate 23.The room 254 of covering 25 is used for accommodating light guide plate 23, and the framework 252 of covering 25 is formed on the perisporium 235 of this light guide plate 23.Covering 25 is made (as black resin) by lighttight material and is made.Please consult Fig. 3 further, in the present embodiment, rubber slab 21, light guide plate 23 and covering 25 are formed in one structure, and light guide plate 23 is combined with the second surface 213 of rubber slab 21, described light source 13 is placed in light source hole 231, and described press section 217 is passed through from key hole 233.This integrated formed structure forms as one by multiple injection, but in other embodiments, rubber slab 21, light guide plate 23 and covering 25 also can be Split type structure, or only this light guide plate 23 and covering 25 are formed in one structure.
On keypad 27, corresponding described press section 217 is formed with some button (not shown), operates mobile phone 100 for user.The keypad 27 of the present embodiment is an Integral-type key plate, and it is made primarily of metal material.Keypad 27 comprises an operating surface 271 and the inner surface 273(contrary with operating surface 271 is shown in Fig. 2).
Soft occulter 29 is roughly one " U " shape structure, and it adopts the light tight and material with elastic deformability to make.In the present embodiment, soft occulter 29 is made up of black foam.Soft occulter 29 is pasted on the submarginal position of inner surface 273 of keypad 27 by viscose glue etc.
Refer to Fig. 5 and Fig. 6, casing 30 comprises a sidewall 32 coordinated with the outer rim of keypad 27, this sidewall 32 is formed with a catching step 322, for limiting stroke when keypad 27 is pressed.
See also Fig. 4, Fig. 5 and Fig. 6, when this mobile phone 100 fits together, circuit board 10 is installed in casing 30, the integrative-structure of this rubber slab 21, light guide plate 23 and covering 25 is arranged on circuit board 10, projection 215 on rubber slab 21 is inconsistent with the triggering shell fragment 12 on circuit board 10, light source 13 is placed in this light source hole 231, and described press section 217 is passed through by this key hole 233.Keypad 27 is covered on the integrative-structure of this rubber slab 21, light guide plate 23 and covering 25, press section 217 and keypad 27 offset, a fit-up gap 40 is there is between keypad 27 and sidewall 32, soft occulter 29 is between keypad 27 and covering 25, and contact with keypad 27 and covering 25 respectively, and the natural height of this soft occulter 29 is more than or equal to the distance between keypad 27 and covering 25.Under nature, between keypad 27 and this catching step 322, there is certain distance, to provide the stroke space of keypad 27.When keypad 27 is subject to pressing, there is compressive deformation in soft occulter 29, and keypad can be moved towards circuit board 10 direction.
Described button assembly 20 forms a lighttight covering on the perisporium 235 of light guide plate 23, the light sent to prevent light source spills from the perisporium 235 of light guide plate, simultaneously, the soft occulter 29 that one compressive deformation can occur is set dexterously between keypad 27 and covering 25, to stop that light spills from the fit-up gap 40 of keypad 27 and casing 30.
Claims (10)
1. a button assembly, it comprises a soft rubber plate, a transparent light guide plate, a lighttight covering and a keypad, this rubber slab is convexly equipped with some press sections, in this light guide plate, corresponding described press section is formed with some key holes, the perisporium of this covering this light guide plate coated, described press section is passed this key hole and is offseted with this keypad, it is characterized in that: this button assembly also comprises a lighttight soft occulter, this soft occulter is located between this keypad and this covering and along the perisporium of keypad and arranges.
2. button assembly as claimed in claim 1, is characterized in that: this soft occulter is bonded on this keypad.
3. button assembly as claimed in claim 2, is characterized in that: this soft occulter is bonded in the marginal position of this keypad.
4. button assembly as claimed in claim 1, is characterized in that: this soft occulter is made up of the material with elastic deformability.
5. button assembly as claimed in claim 4, is characterized in that: this soft occulter adopts foam to make.
6. button assembly as claimed in claim 1, is characterized in that: the natural height of this soft occulter is more than or equal to the distance between this keypad and this covering.
7. button assembly as claimed in claim 1, is characterized in that: this rubber slab, light guide plate and covering are formed in one structure.
8. a portable electron device, it comprises a button assembly, one circuit board and a casing, this circuit board is arranged in casing, this button assembly is arranged on this circuit board, this button assembly comprises a soft rubber plate, one transparent light guide plate, one lighttight covering and a keypad, this rubber slab is provided with some press sections, in this light guide plate, corresponding described press section is formed with some key holes, the perisporium of this covering this light guide plate coated, described press section by this key hole by and offset with this keypad, it is characterized in that: this button assembly also comprises a lighttight soft occulter, this soft occulter is located between this keypad and this covering and along the perisporium of keypad and arranges.
9. portable electron device as claimed in claim 8, is characterized in that: this soft occulter is bonded on this keypad.
10. portable electron device as claimed in claim 8, is characterized in that: this soft occulter adopts foam to make.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010300613.9A CN102136386B (en) | 2010-01-22 | 2010-01-22 | Key component and portable electronic device with key component |
| JP2010175327A JP2011150995A (en) | 2010-01-22 | 2010-08-04 | Keyboard assembly and portable electronic device using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010300613.9A CN102136386B (en) | 2010-01-22 | 2010-01-22 | Key component and portable electronic device with key component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102136386A CN102136386A (en) | 2011-07-27 |
| CN102136386B true CN102136386B (en) | 2014-12-17 |
Family
ID=44296134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010300613.9A Active CN102136386B (en) | 2010-01-22 | 2010-01-22 | Key component and portable electronic device with key component |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011150995A (en) |
| CN (1) | CN102136386B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102546881A (en) * | 2011-12-31 | 2012-07-04 | 广东步步高电子工业有限公司 | Mobile phone keys |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457907A (en) * | 2007-12-12 | 2009-06-17 | 西铁城电子股份有限公司 | Sheet-shaped lightguide member, operation panel-lighting device and electronic device |
-
2010
- 2010-01-22 CN CN201010300613.9A patent/CN102136386B/en active Active
- 2010-08-04 JP JP2010175327A patent/JP2011150995A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457907A (en) * | 2007-12-12 | 2009-06-17 | 西铁城电子股份有限公司 | Sheet-shaped lightguide member, operation panel-lighting device and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011150995A (en) | 2011-08-04 |
| CN102136386A (en) | 2011-07-27 |
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| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN QICHUANGMEI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD. Effective date: 20141106 Owner name: FUXIN POWER SUPPLY COMPANY, STATE GRID LIAONING EL Effective date: 20141106 |
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Free format text: CORRECT: ADDRESS; FROM: 518109 SHENZHEN, GUANGDONG PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20141106 Address after: Futian District King Road Shenzhen city Guangdong province 518000 No. 108 Tze Wei court 1218 Applicant after: Shenzhen Qichuangmei Technology Co., Ltd. Applicant after: FUXIN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY CO., LTD. Address before: 518109 F3 building, Foxconn science and Technology Industrial Park, Longhua Town, Shenzhen, Guangdong, A, China Applicant before: Shenzhen Futaihong Precision Industry Co., Ltd. |
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Free format text: FORMER OWNER: FUXIN POWER SUPPLY COMPANY, STATE GRID LIAONING ELECTRIC POWER CO., LTD. Effective date: 20150511 Owner name: FENG LIN Free format text: FORMER OWNER: SHENZHEN QICHUANGMEI TECHNOLOGY CO., LTD. Effective date: 20150511 |
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Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518057 SHENZHEN, GUANGDONG PROVINCE |
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Effective date of registration: 20150511 Address after: 518057 Guangdong, Futian District Binhe Road, Binjiang village, East District, building 8,, 502 Patentee after: Feng Lin Address before: Futian District King Road Shenzhen city Guangdong province 518000 No. 108 Tze Wei court 1218 Patentee before: Shenzhen Qichuangmei Technology Co., Ltd. Patentee before: FUXIN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY CO., LTD. |
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Owner name: QIDONG TIANFEN ELECTRIC TOOL TECHNOLOGY INNOVATION Free format text: FORMER OWNER: FENG LIN Effective date: 20150825 |
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Effective date of registration: 20150825 Address after: Qidong City, Jiangsu province 226244 Nantong lvsigang Tianfen electric tools trade city comprehensive building Patentee after: Qidong Tianfen Electric Tool Technology Innovation Center Address before: 518057 Guangdong, Futian District Binhe Road, Binjiang village, East District, building 8,, 502 Patentee before: Feng Lin |
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Effective date of registration: 20220316 Address after: 226000 group 20, Xining village, lvsigang Town, Qidong City, Nantong City, Jiangsu Province Patentee after: Nantong Xiangxin Electromechanical Technology Co.,Ltd. Address before: 226244 Tianfen Electric Tool Trade Center Complex Building, Lusigang Town, Qidong City, Nantong City, Jiangsu Province Patentee before: QIDONG TIANFEN ELECTRIC TOOL TECHNOLOGY INNOVATION CENTER |
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