CN2771880Y - Light guide structure for light-emitting diode - Google Patents
Light guide structure for light-emitting diode Download PDFInfo
- Publication number
- CN2771880Y CN2771880Y CNU2005200390687U CN200520039068U CN2771880Y CN 2771880 Y CN2771880 Y CN 2771880Y CN U2005200390687 U CNU2005200390687 U CN U2005200390687U CN 200520039068 U CN200520039068 U CN 200520039068U CN 2771880 Y CN2771880 Y CN 2771880Y
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- Prior art keywords
- light
- emitting diode
- light guide
- reflector
- light emitting
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- 230000000694 effects Effects 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 abstract description 9
- 239000012780 transparent material Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model discloses a light guide structure for a light-emitting diode, which is arranged on a shell of an electronic device and is used for guiding light rays emitted by the light-emitting diode. The light guide structure for a light-emitting diode comprises a flat light conducting plate arranged on the shell of the electronic device, wherein the light conducting plate is made of transparent materials, one side of the light conducting plate is provided with an arced reflecting plate inside the shell of the electronic device, one end of the arced reflecting plate has a certain distance with one end of the light conducting plate, and the light-emitting diode is arranged between the end of the arced reflecting plate and the end of the light conducting plate. The light rays emitted by the light-emitting diode are transmitted to the outside of the shell of the electronic device after reflected by the arced reflecting plate. Thus, the light rays emitted by a point light source of the light-emitting diode are diverged into light rays which are uniformly distributed in a large area. Consequently, a local bright point is avoided, the utility model is provided with good visual effect, and meanwhile, a large lighting area can be formed.
Description
[technical field]
The relevant a kind of light guide structure of the utility model, light emitting diode especially a kind of and on the electronic installation cooperates, with the visual effect of adjusting light emitting diode pointolite and the light guide structure of light-emitting area.
[background technology]
Be equipped with many light emitting diode lamps on the housing of present various electronic installations to indicate relevant information, as power supply status, network connection state etc., this light emitting diode is mounted on the housing of electronic installation by mode shown in Figure 1 mostly, usually run through on this case of electronic device 1 and be provided with a through hole 10, and be equiped with light emitting diode 2 in this through hole 10, the pin of this light emitting diode 2 then is connected with the circuit board (not icon) of electronic installation to obtain the luminous voltage of driven for emitting lights diode 2, and for prevent that light emitting diode 2 from coming off from through hole 10, this light emitting diode 2 adopts the mode of interference fit to install with through hole 10 usually, so that light emitting diode 2 firm groups are located in the through hole 10, though aforesaid way is simple in structure, but there is following weak point:
(1) because the light-emitting diodes pipe volume is less, so when luminous, can form bright spot in the center of light emitting diode, aforesaid way be utilize light emitting diode directly with light emission to the case of electronic device outside, so this bright spot can stimulate user's eyes, and bring certain puzzlement to the user.
(2) same because the light-emitting diodes pipe volume is less, thus adopt above-mentioned mounting means can cause light-emitting area less, simultaneously the light of light-emitting diodes tube hub both sides a little less than, need than the application scenario that have uniform light in the zone greatly so can not satisfy.
In view of this, practical necessity provides a kind of and avoids forming local bright spot and have better visual effect and can form the light guide structure of the light emitting diode of bigger light-emitting zone.
[summary of the invention]
The utility model purpose is to provide a kind of and avoids forming local bright spot and have better visual effect and can form the light guide structure of the light emitting diode of bigger light-emitting zone.
For achieving the above object, the light guide structure of the utility model light emitting diode comprises the light guide plate of being located on the case of electronic device, this light guide plate is made by transparent material, and this light guide plate one side also is provided with a curved reflector in case of electronic device inside, one end of this curved reflector one end and light guide plate is separated by a distance, and be provided with a light emitting diode therebetween, by this kind structure, the light that this light emitting diode sends is transmitted through the case of electronic device outside through light guide plate after being reflected by curved reflector again.
Compared with prior art, the utility model reflects the light that light emitting diode sends earlier by reflector, then be transmitted through the case of electronic device outside by light guide plate again, so the light at lumination of light emitting diode center is reflected by reflector and is scattering, and be transmitted through the case of electronic device outside by light guide plate, avoid the formation of local bright spot therefrom, thereby make light even, soft and have better visual effect, and have bigger light-emitting zone and satisfy the requirement of different use occasions.
For making the purpose of this utility model, structural attitude and function thereof are had further understanding, conjunction with figs. is described in detail as follows now.
[description of drawings]
Fig. 1 is the synoptic diagram of existing light emitting diode mounting means.
Fig. 2 is the synoptic diagram of light guide structure first embodiment of the utility model light emitting diode.
Fig. 3 is the synoptic diagram of light guide structure second embodiment of the utility model light emitting diode.
Fig. 4 is the synoptic diagram of light guide structure the 3rd embodiment of the utility model light emitting diode.
[embodiment]
The utility model mainly is to utilize the reflection of light principle, be that light is when running into an object, the all or part of meeting of this light is reflected away by this object surfaces, and reflection of light is followed following rule: (1) incident ray, reflection ray reach the normal vertical with body surface at grade; (2) incident ray and reflection ray are in the normal both sides; (3) angle (incident angle) between incident ray and the normal and reflection ray equate with angle (reflection angle) between the normal, and this characteristic that the utility model utilizes light just diverges to equally distributed light with the light of light emitting diode pointolite after through reflection.
See also shown in Figure 2, synoptic diagram for light guide structure first embodiment of the utility model light emitting diode, the light guide structure 3 of the utility model light emitting diode is arranged on the case of electronic device 4, in order to guide the light that light emitting diode 5 sends, wherein, this case of electronic device 4 runs through and is provided with an opening 40, and the light guide structure 3 of this light emitting diode comprises tabular light guide plate 30, this light guide plate 30 is made by transparent material, and is mounted in the opening 40 of case of electronic device 4.In addition, these light guide plate 30 1 sides also are provided with a reflector 31 in case of electronic device 4 inside, and curved and its end face of this reflector 31 has preferable smooth finish, and can be mounted on the case of electronic device 4 by a location member.
In the present embodiment, this align member is two clamping limbs 41 that extend from case of electronic device 4 one, one end of this reflector 31 is held between two clamping limbs 41, and reflector 31 is fixed on the case of electronic device 4, and the other end of these reflector 31 other ends and light guide plate 30 is separated by a distance, and be provided with light emitting diode 5 therebetween, and the parallel reflector 31 that is emitted to of direction that the emission light of light emitting diode 5 extends along light guide plate 30, curved and its end face has preferable smooth finish because of reflector 31, so this emission light is reflected by reflector 31 according to above-mentioned reflection of light rule, reflected light is transmitted through case of electronic device 4 outsides by light guide plate 30 then, so the light of light emitting diode 5 luminescent center is through the diverse location reflection of reflector 31, thereby make reflection ray disperse, thereby avoid forming local bright spot, so make light even, soft and have better visual effect, and have bigger light-emitting zone and satisfy the requirement of different use occasions.
See also shown in Figure 3, synoptic diagram for light guide structure second embodiment of the utility model light emitting diode, the light guide structure 6 of the utility model light emitting diode is arranged on the case of electronic device 4, in order to guide the light that light emitting diode 5 sends, wherein, this case of electronic device 4 runs through and is provided with an opening 40, and the light guide structure 6 of this light emitting diode comprises the tabular light guide plate 60 and reflector 61 that connects as one, this light guide plate 60 is made by transparent material, and by light guide plate 60 is mounted in the opening 40 of case of electronic device 4, and light guide plate 60 and reflector 61 are mounted on the case of electronic device 4.In addition, this reflector 61 is curved, and itself and light guide plate 60 facing surfaces are covered with one deck reflector layer 62, as through electroplating or pasting the metal level that forms to increase reflecting effect, emission light with reflection light emitting diode 5, and these reflector 61 free ends and light guide plate 60 corresponding ends are separated by a distance, and be provided with light emitting diode 5 therebetween, and the parallel reflector 61 that is emitted to of direction that the emission light of light emitting diode 5 extends along light guide plate 60, this emission light is reflected by reflector layer 62 according to above-mentioned reflection of light rule, reflected light is transmitted through case of electronic device 4 outsides by light guide plate 60 then, so the light of light emitting diode 5 luminescent center is through the diverse location reflection of the reflector layer 62 of reflector 61, thereby make reflection ray disperse, thereby avoid forming local bright spot, so make light even, soft and have better visual effect, and have bigger light-emitting zone and satisfy the requirement of different use occasions.
See also shown in Figure 4, synoptic diagram for light guide structure the 3rd embodiment of the utility model light emitting diode, the light guide structure 7 of the utility model light emitting diode is arranged on the case of electronic device 4, in order to guide the light that light emitting diode 5 sends, wherein, this case of electronic device 4 runs through and is provided with an opening 40, and the light guide structure 7 of this light emitting diode comprises the tabular light guide plate 70 and reflector 71 that connects as one, these light guide plate 70 transparent materials are made, and by light guide plate 70 is mounted in the opening 40 of case of electronic device 4, and light guide plate 70 and reflector 71 are mounted on the case of electronic device 4.
In addition, this reflector 71 is curved, and itself and light guide plate 70 facing surfaces are provided with several salient points 72, and reflector 71 forms a reflector layer 73 with the surface of salient point 72 through electroplating or gluing, and these reflector 71 free ends and light guide plate 70 corresponding ends are separated by a distance, and be provided with light emitting diode 5 therebetween, and the parallel reflector 71 that is emitted to of direction that the emission light of light emitting diode 5 extends along light guide plate 70, this emission light is reflected by the reflector layer 73 on reflector 71 or salient point 72 surfaces according to above-mentioned reflection of light rule, reflected light is transmitted through case of electronic device 4 outsides by light guide plate 70 then, so the light of light emitting diode 5 luminescent center is through the reflector layer 73 diverse locations reflection of reflector 71 or salient point 72, thereby make reflection ray disperse, thereby avoid forming local bright spot, so make light even, soft and have better visual effect, and have bigger light-emitting zone and satisfy the requirement of different use occasions.
Compared with prior art, the utility model reflects the light that light emitting diode sends earlier by reflector, then be transmitted through the case of electronic device outside by light guide plate again, so the light at lumination of light emitting diode center is reflected by reflector and is scattering, and be transmitted through the case of electronic device outside by light guide plate, avoid the formation of local bright spot therefrom, thereby make light even, soft and have better visual effect, and have bigger light-emitting zone and satisfy the requirement of different use occasions.
Claims (7)
1, a kind of light guide structure of light emitting diode, be arranged on the case of electronic device, in order to guide the light that light emitting diode sends, the light guide structure of this light emitting diode comprises the light guide plate of being located on the case of electronic device, it is characterized in that: this light guide plate one side also is provided with a curved reflector in case of electronic device inside, one end of this curved reflector one end and light guide plate is separated by, light emitting diode is located at therebetween, the light that this light emitting diode sends is transmitted through the case of electronic device outside through light guide plate after being reflected by curved reflector.
2, the light guide structure of light emitting diode as claimed in claim 1 is characterized in that: this reflector is mounted on the case of electronic device by a location member.
3, the light guide structure of light emitting diode as claimed in claim 2 is characterized in that: two clamping limbs of this align member for extending from the case of electronic device one, an end of this reflector is held between two clamping limbs.
4, the light guide structure of light emitting diode as claimed in claim 1 is characterized in that: this light guide plate one end and reflector one end are connected as a single entity.
5, as the light guide structure of claim 1,2,3 or 4 described light emitting diodes, it is characterized in that: this reflector and light guide plate facing surfaces are provided with in order to increase the reflector layer of reflecting effect.
6, as the light guide structure of claim 1,2,3 or 4 described light emitting diodes, it is characterized in that: this reflector and light guide plate facing surfaces are provided with several salient points.
7, the light guide structure of light emitting diode as claimed in claim 6 is characterized in that: this reflector and light guide plate facing surfaces and bump surface are provided with in order to increase the reflector layer of reflecting effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200390687U CN2771880Y (en) | 2005-01-18 | 2005-01-18 | Light guide structure for light-emitting diode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200390687U CN2771880Y (en) | 2005-01-18 | 2005-01-18 | Light guide structure for light-emitting diode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2771880Y true CN2771880Y (en) | 2006-04-12 |
Family
ID=36705671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200390687U Expired - Fee Related CN2771880Y (en) | 2005-01-18 | 2005-01-18 | Light guide structure for light-emitting diode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2771880Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012151863A1 (en) * | 2011-07-20 | 2012-11-15 | 中兴通讯股份有限公司 | Housing and electronic product |
| WO2021217523A1 (en) * | 2020-04-29 | 2021-11-04 | 深圳市大疆创新科技有限公司 | Electronic device |
-
2005
- 2005-01-18 CN CNU2005200390687U patent/CN2771880Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012151863A1 (en) * | 2011-07-20 | 2012-11-15 | 中兴通讯股份有限公司 | Housing and electronic product |
| WO2021217523A1 (en) * | 2020-04-29 | 2021-11-04 | 深圳市大疆创新科技有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: 200436, No. three, 213 Road, Zhabei District, Shanghai: Patentee address before: 200040 No. 2, building 1486, Nanjing West Road, Shanghai |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |