CN202196196U - DOME light guide membrane - Google Patents
DOME light guide membrane Download PDFInfo
- Publication number
- CN202196196U CN202196196U CN2011202753464U CN201120275346U CN202196196U CN 202196196 U CN202196196 U CN 202196196U CN 2011202753464 U CN2011202753464 U CN 2011202753464U CN 201120275346 U CN201120275346 U CN 201120275346U CN 202196196 U CN202196196 U CN 202196196U
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- CN
- China
- Prior art keywords
- light
- light guide
- guiding film
- dome
- light guiding
- 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
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Abstract
The utility model relates to a DOME light guide membrane, including a transparent light guide membrane, which is covered on a DOME member and an LED lateral illuminant lamp at the illuminant direction. The membrane is provided with a plurality of light guide points which are distributed according to the optical principle; the material of the transparent light guide membrane is transparent polycarbonate; and the thickness of the light guide membrane is more than 0.5 mm. The transmittance of the light guide membrane is good, and the lead-out light is uniform by the design of the light guide performance of the light guide membrane, the distribution of the light guide points and light guide strips. And simultaneously, the usage quantity of LED illuminant lamps is minimized, and the cost is saved.
Description
Technical field
The utility model relates to a kind of light guiding film, further relates to the rete of the DOME sheet leaded light on the mobile phone.
Background technology
Mobile phone DOME sheet (Metal dome array) is a PET thin slice that comprises metal clips (pot young sheet), is used on the wiring boards such as PCB or FPC and uses as switch, between user and instrument, plays the effect of an important sense of touch type switch.
The DOME light guiding film has ultra-thin, luminous evenly, characteristics such as changeableization of color, be mainly used in mobile phone key, can let your button rich color.
DOME light guiding film design characteristic be can let the mobile phone key position light very evenly.The very big help that is designed with for ultra thin handset; It all is to arrange positive alight at key zone that the traditional key-press lamp is imitated design, and the conventional thickness of light guiding film is example with the liding machine of common 30 keys between 0.05mm to 0.125mm; Traditional positive electroluminescent lamp is arranged and is generally 10; Yet 10 positive alights at last just, lamp are imitated very even of distributing also not necessarily, and also relative four the side alights of cost can be higher.
Therefore, the major defect of the DOME light guiding film of prior art is that translucent effect is inhomogeneous, perhaps owing to make cost rise because of improving translucent effect.
The utility model content
In view of above content, be necessary to provide a kind of and can save cost, improve the DOME light guiding film of translucent effect.
The utility model provides a kind of DOME light guiding film; Comprise the layer of transparent light guiding film; The light emission direction that it is covered in DOME spare and LED electroluminescent lamp lateral direction light emission lamp has a plurality of leaded light points or the leaded light striped that distribute according to optical principle on the rete, the material of transparent light guide film is a clear polycarbonate.
Preferably, the thickness of said light guiding film is more than the 0.05mm; Preferred, the thickness of said light guiding film is set to 0.125mm.
Preferably, said leaded light point or leaded light striped are printed in the lower surface of transparent light guide film.
Preferably, said light guiding film is covered in DOME material top, comprises four side-emittings that cover press key lamp.
Preferably, said light guiding film adopts modes such as hot pressing, printing, a glue, radium carving to prepare.
The DOME light guiding film not only can be applied to and be not limited to the scope of mobile phone push-button light guiding problem, can also be compounded in the use on the DOME, or is used in the field that other plays the leaded light effect separately.
The transparent light guide film quality is lighter, and quality is soft, though increased certain thickness, can not take bigger space, and film is embedded in mobile phone inside, does not influence the size of actual mobile phone.When the metallic film key combination, do not influence the pressing touch of Dome sheet.
Compared with prior art, the advantage of the utility model is: said light guiding film light transmission is good, and through designing the distribution or the leaded light striped of light guiding film leaded light performance and leaded light point, perhaps other form according to the actual conditions adjustment, makes the light of derivation even.Reduced the usage quantity of LED simultaneously, provided cost savings.
Description of drawings
Fig. 1 is the cell phone appearance synoptic diagram that the utility model DOME light guiding film is used.
Fig. 2 is the mobile phone exploded perspective view that the utility model DOME light guiding film is used.
Embodiment
Combine embodiment that the utility model is done further to describe with reference to the accompanying drawings.
See also Fig. 1 and Fig. 2; DOME light guiding film in the present embodiment comprises layer of transparent light guiding film 4; It is covered in the top of DOME3 spare and LED electroluminescent lamp (1,2), and is positioned at the bottom of UV transfer printing button or other type button 5; Have a plurality of leaded light points that distribute according to optical principle on the conduit rete 4, the material of transparent light guide film is clear polycarbonate (PC).
In the present embodiment, the thickness of said light guiding film is set to 0.125mm, through light emission direction and leaded light performance are set, can make the light of LED output even, also can guarantee the homogeneity of the light that side LED sends.
Said leaded light point is printed in the lower surface of transparent light guide film 4, when light shines from the bottom, can change reflection angle through leaded light point, penetrates from upper face so that light can see through light guiding film, and makes that the light that penetrates is even in each angle distribution.
Said light guiding film is covered in DOME3 material top, comprises four side-emittings that cover press key lamp.
Said light guiding film adopts hot pressing, printing, the modes such as glue, radium carving of dripping prepare; The preparation method of light guiding film has multiple mode; Purpose makes that the light guiding film leaded light is even, and permeability gets final product well, and another effect is exactly can be anti-skidding; Light guide sheet can not produced with the young sheet of pot when pressurized slide, thereby have influence on feel.The flexibility and the high light transmittance of the material of light guiding film utilization own reach good button sense of touch with key combination, and the while leaded light is pressed optical principle and arranged, and realize that reflecting effect is even.
Light can be evenly distributed through light guiding film 4, and it is even promptly to have reached translucent effect.This can diagrammatical illustrate from Fig. 2.
The utility model is primarily aimed at the improvement that light guiding film is carried out; The above is merely the utility model preferred embodiment; Non-so promptly limit to the claim of the utility model; So the simple and easy variation and the equivalent transformation of doing with the utility model instructions and graphic content such as all should be contained in the claim of the utility model.
Claims (5)
1. DOME light guiding film; Comprise the layer of transparent light guiding film; The light emission direction that it is covered in DOME spare and LED electroluminescent lamp lateral direction light emission lamp has a plurality of leaded light points or the leaded light striped that distribute according to optical principle on the rete, the material of transparent light guide film is a transparent polycarbonate sheets.
2. according to the said DOME light guiding film of claim 1, it is characterized in that: the thickness of said light guiding film is more than the 0.05mm.
3. according to the said DOME light guiding film of claim 1, it is characterized in that: said leaded light point or leaded light striped are printed in the lower surface of transparent light guide film.
4. according to the said DOME light guiding film of claim 1, it is characterized in that: said light guiding film is covered in DOME material top, comprises four side-emittings that cover press key lamp.
5. according to the said DOME light guiding film of claim 1, it is characterized in that: said light guiding film adopts hot pressing, printing, a glue or radium carving mode to prepare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202753464U CN202196196U (en) | 2011-07-29 | 2011-07-29 | DOME light guide membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202753464U CN202196196U (en) | 2011-07-29 | 2011-07-29 | DOME light guide membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202196196U true CN202196196U (en) | 2012-04-18 |
Family
ID=45951097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202753464U Expired - Fee Related CN202196196U (en) | 2011-07-29 | 2011-07-29 | DOME light guide membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202196196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289026A (en) * | 2011-07-29 | 2011-12-21 | 深圳市迪美通讯设备有限公司 | Metal dome array (DOME) light guide film |
| US10295728B2 (en) | 2014-10-23 | 2019-05-21 | Corning Incorporated | Light diffusing component and a method of manufacturing a light diffusing component |
-
2011
- 2011-07-29 CN CN2011202753464U patent/CN202196196U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289026A (en) * | 2011-07-29 | 2011-12-21 | 深圳市迪美通讯设备有限公司 | Metal dome array (DOME) light guide film |
| US10295728B2 (en) | 2014-10-23 | 2019-05-21 | Corning Incorporated | Light diffusing component and a method of manufacturing a light diffusing component |
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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: 20120418 Termination date: 20130729 |