CN208224525U - Light emitting device and its light guide plate - Google Patents
Light emitting device and its light guide plate Download PDFInfo
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- CN208224525U CN208224525U CN201820769639.XU CN201820769639U CN208224525U CN 208224525 U CN208224525 U CN 208224525U CN 201820769639 U CN201820769639 U CN 201820769639U CN 208224525 U CN208224525 U CN 208224525U
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- light
- guide plate
- light guide
- perforation
- plate
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Abstract
The utility model provides a kind of light emitting device and its light guide plate.Light emitting device includes surface body, light guide plate and light source.Surface body is perforated with surface body, and body perforation in surface runs through surface body.Light guide plate has plate body, guide-lighting micro-structure and light guide plate perforation.Plate body has light shielding part and transmittance section, and light shielding part stops light to pass through, and transmittance section passes through for light.Guide-lighting micro-structure is set to plate body and can be with refracted light.Light guide plate perforation runs through plate body.Light source is towards light guide plate.
Description
Technical field
The utility model is related with light emitting device and its light guide plate, especially with regard to a kind of light emitting device with perforation and
Light guide plate.
Background technique
With popularizing for miscellaneous electronic device, in addition to the function of electronic device itself chooses emphasis for consumer
Except, under some specific use demands, such as electric competing product may must also have good sound and light program and could attract
The favor of particular consumer.
And general electronic device is to provide sound and light program simultaneously in use, it will be in the appearance of electronic device
Light guide plate and light source is arranged in part fit inside, launches light into light guide plate by light source, light guide plate by after light-output again by appearance
Part is appeared to generate illumination effect.
However, general light guide plate is solid construction, after solid light guide plate is set inside the appearance member of electronic device,
Solid light guide plate will become the heat source inside electronic device and the obstruction that appears of sound, once needed for the appearance member of electronic device
Light-emitting area and light guide plate are bigger, will cause the heat dissipation inside electronic device and mail is inscribed out, thus to be improved.
Utility model content
In view of this, the utility model discloses a kind of light emitting device, it include surface body, light guide plate and light source.Surface body
It perforates with surface body, body perforation in surface runs through surface body.Light guide plate has plate body, guide-lighting micro-structure and light guide plate perforation.
Plate body has light shielding part and transmittance section, and light shielding part stops light to pass through, and transmittance section passes through for light.Guide-lighting micro-structure is set to
Plate body is with refracted light.Light guide plate perforation runs through plate body.Light source is towards light guide plate.
The utility model separately provides a kind of light guide plate, includes plate body, guide-lighting micro-structure and light guide plate perforation.Plate body has
The mutually light shielding part of linking and transmittance section, light shielding part stops light to pass through, and transmittance section passes through for light.Guide-lighting micro-structure is set to
Plate body is with refracted light.Light guide plate perforation runs through plate body.
The detailed content of other effects and embodiment in relation to the utility model, cooperation schema are described as follows.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic diagram of an embodiment of the utility model light emitting device；
Fig. 2 is the schematic diagram of an embodiment of the light guide plate of the utility model light emitting device；
Fig. 3 is the cross-sectional view of an embodiment of the light guide plate of the utility model light emitting device；
Fig. 4 is the cross-sectional view of another embodiment of light guide plate of the utility model light emitting device；
Fig. 5 is the cross-sectional view of an embodiment of the utility model light emitting device；
Fig. 6 is the cross-sectional view of another embodiment of the utility model light emitting device；
Fig. 7 is the cross-sectional view of the utility model light emitting device another embodiment；
Fig. 8 is the cross-sectional view of the another embodiment of the utility model light emitting device.
Specific embodiment
Positional relationship described in embodiment below, comprising: on, under, left and right, if being all without specializing
On the basis of the direction that component in schema is painted.
It is the schematic diagram of an embodiment of the utility model light emitting device please refer to Fig. 1, Fig. 1.Light emitting device is suitble to
It is assemblied on electronic device or other devices.In an embodiment, light emitting device adaptation is installed in host computer or mobile phone conduct
But not limited to this for a part of casing.
It is worth noting that the utility model schema is the relativeness for ease of illustration of each element rather than with actual proportions
It draws, therefore the proportional sizes of the utility model schema are not the limitation for being the utility model.
Referring to figure 1, figure 2 and figure 5., light emitting device includes surface body 10, light guide plate 20 and light source 30.Surface body 10 has
There is surface body perforation 11, light guide plate 20 has light guide plate perforation 23 and is set to the side of surface body 10, and light guide plate perforation 23
With surface body perforate 11 vertical direction projection it is least partially overlapped, and light source 30 is towards light guide plate 20.Whereby, light source 30 issues
Light uniformly issued by light guide plate 20, the light issued by light guide plate 20 11 is gone out by the surface body perforation of surface body 10 again
Light.In this way, which the surface body 10 of light emitting device can project light and generate effect of shadow, and the surface body of surface body 10 is worn
The light guide plate perforation 23 of hole 11 and light guide plate 20 can then allow the heat source being set to inside electronic device or source of sound be able to heat dissipation or
The pipeline of sound out reaches heat dissipation or the out function of sound simultaneously accordingly.
Further with continued reference to Fig. 1, surface body 10 can be the casing of electronic device.It is also possible to the machine of electronic device
The phoneme that goes out of heat dissipation position or corresponding source of sound that radiator fan is corresponded in shell is set.In an embodiment, the surface of surface body 10
Body perforation 11 is the oblique perforation inclined relative to 10 periphery of surface body, and in this, surface body perforation 11 be can be equally spaced
Parallelly distribute on makes 10 entirety of surface body or local uniform be laid with surface body perforation 11 in surface body 10.And the table of this embodiment
Face body perforation 11 can preferably adapt to the heat dissipation position of corresponding radiator fan with continuous open area to obtain preferably
Heat dissipation effect, but the utility model is not limited thereto.
In an embodiment, the surface body of surface body 10 perforation 11 is also possible to diamond shape or rectangular mesh, in this, surface body
Perforation 11 compactly arranges entirety or the part for being covered with surface body 10.And the surface body perforation 11 of this embodiment can be preferably adapted to
It is set to the position of corresponding sound source, but the utility model is not limited.
Referring next to Fig. 1 and cooperate Fig. 2, in an embodiment, light guide plate 20 have plate body 21, guide-lighting micro-structure 22 and
Light guide plate perforation 23.In this, plate body 21 is that be made for a surface by the material with high transparency and total reflection characteristic smooth
Cube.Therefore, plate body 21 can be by PMMA (Poly methyl methacrylate, be commonly called as acryl resin), COP
Made by (Cyclo olefin polymer, ZEONOR), PC (Polycarbonate) or glass material, but the utility model
It is not limited.And the mode that plate body 21 is made can be by way of ejection formation or compacting for it.In addition to this, plate body 21
Shape be also not necessarily limited to be plate or wedge-shaped board.
Further refering to Fig. 2 and cooperate Fig. 3 and Fig. 5, light shielding part 21A and transmittance section 21B, light are had more on plate body 21
Light shielding part 21A can not be penetrated, and transmittance section 21B is penetrated for light.Specifically, there is plate body 21 light-emitting surface 211 and one to enter light
Face 212, the light-emitting surface 211 of plate body 21 are towards surface body 10.In this, plate body 21 is can be by pasting on light-emitting surface 211
Setting light shield layer S is to define light shielding part 21A, before light shield layer S can stop the light for entering plate body 21 by incidence surface 212 to be pierced by
State light-emitting surface 211.Further, light shield layer S can be nontransparent coloured film, or reflective thin with reflecting effect
Film.When light shield layer S is light reflecting membrane, for the reflective surface of light reflecting membrane towards incidence surface 211, using produces light in plate body 21
Raw reflection, more to improve the equal light effect of light guide plate 20.
Still further, in an embodiment, the light-emitting surface 211 of plate body 21 is partially provided with screening refering to Fig. 2 and Fig. 3
When photosphere S, the rest part of light-emitting surface 211 can define transmittance section 21B.That is, transmittance section 21B is plate body 21
Body.In this embodiment, the range of transmittance section 21B, the range of light shielding part 21A or transmittance section 21B are connected with light shielding part 21A's
Profile can be text or pattern.Whereby, when light is appeared by transmittance section 21B, matching between light shielding part 21A and transmittance section 21B
Set the shadow output that just can generate different text or pattern.
Refering to Fig. 3, in an embodiment, the guide-lighting micro-structure 22 of light guide plate 21 can destroy the light inside plate body 21
Light is projected ejecting plate again after so that the light energy of light is generated refraction or diffusion under the situation of loss minimization by total reflection phenomenon
Body 21.Specifically, guide-lighting micro-structure 22 can be set in the surface or inside of plate body 21.Further, refering to Fig. 4, setting
Guide-lighting micro-structure 22 in 21 surface of plate body can be the table that guide-lighting micro-structure 22 is printed in plate body 21 by way of printing
Face.In this, in the embodiment that guide-lighting micro-structure 22 is arranged by mode of printing, the ink of printing is with high reflectance and not
Light absorbing material, such as, but not limited to TiO2.
And the guide-lighting micro-structure 22 for being set to 21 surface of plate body is also possible to be set to plate body by way of non-printing formula
21 surface.It specifically, is that plate body 21 is being projected with Precision Machining in the way of guide-lighting micro-structure 22 is made in a manner of non-printing
Micro- feature is made on mode.In this way, have leaded light on the surface that plate body 21 can be made simultaneously in injection molding plate body 21
Micro-structure 22.
Refering to Fig. 3, and it is set to the guide-lighting micro-structure 22 inside plate body 21 and can be to mix guide-lighting micro-structure 22 and penetrating
In the material for forming plate body 21 out, and guide-lighting micro-structure 22 is the particulate that light can be made to scatter or spread.Make plate body 21 whereby
Guide-lighting micro-structure 22 is taken shape in into inside simultaneously in ejection formation.
Again further, the size of guide-lighting micro-structure 22 is about a few micrometers to some tens of pm, and the leaded light on plate body 21
Size, height and the shape of micro-structure 22 can be different.In some specific embodiments, guide-lighting micro-structure 22 can be diamond shape,
Taper, spherical surface, aspherical, staged, V- ditch, dotted or column, but be not limited with aforementioned.
It, more can be in the non-of plate body 21 to avoid light guide plate 20 by the position light leakage of non-light-emitting surface 211 in an embodiment
211 position of light-emitting surface plates one layer of high reflecting metal layer, uses the phenomenon that blocking light leakage and improves light guide effect simultaneously.
With continued reference to Fig. 2 and Fig. 5, light guide plate perforation 23 is through plate body 21 but is not limited to position in light shielding part 21A or light transmission
Portion 21B, and light guide plate perforation 23 is corresponding with position at surface body perforation at least one.That is, the light guide plate on plate body 21 is worn
Hole 23, which will at least have at one, to be connected to relative to surface body perforation 11, and the heat or source of sound used for 20 inside of light guide plate are worn
Out.
Further, it since the light guide plate perforation 23 on plate body 21 will affect the light propagation in plate body 21, is set on plate body 21
Therefore the position for setting light guide plate perforation 23 will be exported without light.Therefore, the configuration of the light guide plate perforation 23 on plate body 21 must examine
The shown shadow of amount, in this, the area that the area sum total of the surface body perforation 11 of surface body 10 is greater than light guide plate perforation 23 is total
It closes.And it can be, but not limited to the quantity variance or shape by surface body perforation 11 with light guide plate perforation 23 to achieve the aforementioned purpose
Difference is reached.Further, since the area sum total of surface body perforation 11 can be greater than the area sum total of light guide plate perforation 23,
Therefore, in one embodiment, surface body perforation 11 is also possible to full communicating aspect with light guide plate perforation 23.
Specifically, with continued reference to Fig. 2, influence of the light guide plate perforation 23 for light transmission effect is further considered, it is real one
It applies in example, the position in transmittance section 21B and neighbouring light shielding part 21A can be set in light guide plate perforation 23, uses in neighbouring light shielding part
The position of 21A generates hatching effect (the light guide plate perforation 23 of A in such as Fig. 2).In another embodiment, light guide plate perforation 23 can be with
It is set to the intersection of light shielding part 21A Yu transmittance section 21B, shadow caused by making light guide plate perforate accordingly is in harmony can be with light shielding part 21A
It is overlapped, influences conversion visually to become shadow image or literary glyph, light transmission effect caused by light guide plate is perforated
Show (the light guide plate perforation 23 of B in such as Fig. 2) for shadow.In a more embodiment, light guide plate perforation 23 be can be set in light transmission
The chamfered shape arrangement of the middle position of portion 21B and corresponding transmittance section 21B, use the shadow to form corresponding transmittance section 21B profile
Performance (the light guide plate perforation 23 of C in such as Fig. 2).
Further refering to Fig. 5 to Fig. 8, in an embodiment, light source 30 can be cold cathode tube (CCFL) or hair
Near-infrafed photodiodes LED.And the set-up mode of light source 30 can be side-light type or straight-down negative.Specifically, with the plate body 21 of light guide plate 20
For state sample implementation for square cube, refering to Fig. 5 to Fig. 7, in the embodiment of side-light type light source, plate body 21 enters light
Face 212 is vertically connected in light-emitting surface 211, and light source 30 is arranged towards incidence surface 212.The setting position of the utility model light source 30
It is not limited to side-light type or straight-down negative, the light source 30 of side-light type is suitable for 20 plate body 21 of light guide plate of slimming, but because limited
In plate body 21 thickness and have the limitation of 30 quantity of light source.
Refering to Fig. 8, and in the embodiment of directly-down light source 30, the opposite light-emitting surface 211 of the incidence surface 212 of plate body 21, and
Light source 30 is arranged towards incidence surface 212.The light source 30 of straight-down negative then due to set area is larger compared with 30 quantity of gauge without light source and
The limitation of brightness is generated, to make more elastic arrangement.
Based on aforementioned, when light emitting device is assemblied on electronic device as casing, light emitting device can be by light guide plate 20
Direction is corresponding with heat source or place occurs for source of sound.In this way, when heat source or source of sound generate, the heat that heat source generates just can be through
By light guide plate perforation 23 towards 11 dissipation of surface body perforation, to reach heat dissipation effect.And the sound that source of sound generates also can be via leading
Tabula rasa perforation 23 is pierced by towards surface body 11, to reach audio fruit out.
In addition to this, when light source 30 is opened, the light that light source 30 generates enters in the plate body 21 of light guide plate 20, and light exists
Total reflection is generated in plate body 21 and exposes to guide-lighting micro-structure 22, and guide-lighting micro-structure 22 is destroyed the total reflection of light and generated scattered
It penetrates, so that light is able to be distributed evenly in plate body 21 and can be saturating by corresponding to the position of transmittance section 21B on light-emitting surface 211
Out.It again can be saturating by being set to the surface body perforation 11 of the surface body 10 of 20 side of light guide plate again by the light of 20 light transmission of light guide plate
Out.And due to surface body perforation 11 and light guide plate perforation 23 and non-fully corresponding, surface body perforation 11 and light guide plate perforation
Dislocation between 23 will generate different shadow aesthetic feelings.
Further, refering to Fig. 5 to Fig. 8, to make that there is other light between surface body perforation 11 and light guide plate perforation 23
Film show is existing, and in an embodiment, surface body 10 has opposite inner face 12 and outside 13, and the both ends of surface body perforation 11 are passed through respectively
Inner face 12 and outside 13 are worn, and light guide plate 20 is proximate in inner face 12.Specifically, in the embodiment of Fig. 5 to Fig. 7, surface body
One end of perforation 11 be can vertical inner face 12 or outside 13, but not limited to this.And in the embodiment in fig. 8, surface body is worn
The one end in hole 11 is also possible to tilt relative to inner face 12 or outside 13, here, inclined surface body perforation 11 will make by
The light that light guide plate perforation 23 issues generates more diversified shadow performance and does not influence heat dissipation and out audio fruit.
Embodiment described above and/or embodiment are only the preferable realities to illustrate to realize the utility model technology
Example and/or embodiment are applied, not the embodiment of the utility model technology is made any form of restriction, any this field
Technical staff, in the range for not departing from technological means disclosed in the content of the present invention, when can make a little change or modification
For other equivalent embodiments, but still it should be regarded as technology identical with the utility model in essence or embodiment.
Claims (12)
1. a kind of light emitting device, characterized by comprising:
Surface body, has the perforation of surface body, and the surface body perforation runs through the surface body；
Light guide plate is set to the side of the surface body, comprising:
Plate body has light shielding part and transmittance section, and the light shielding part stops light to pass through, and the transmittance section passes through for light；
Multiple leaded light micro-structures, are set to the plate body with refracted light；And
Multiple light guide plate perforation, run through the plate body；And
Light source, towards the light guide plate.
2. light emitting device according to claim 1, which is characterized in that wherein the surface body perforation is worn with the light guide plate
The projection of hole vertical direction is least partially overlapped.
3. light emitting device according to claim 1, which is characterized in that wherein the surface body perforation is worn with the light guide plate
The shape in hole is different.
4. light emitting device according to claim 1, which is characterized in that wherein the plate body of the light guide plate has light
Face and incidence surface, the light source are set to the incidence surface, and the incidence surface and the light-emitting surface are adjacent.
5. light emitting device according to claim 1, which is characterized in that wherein the plate body of the light guide plate has light
Face and incidence surface, the incidence surface are opposite with the light-emitting surface.
6. light emitting device according to claim 1, which is characterized in that wherein the surface body has opposite outside and interior
The one end in face, the surface body perforation is vertical relative to the outside and the inner face.
7. light emitting device according to claim 1, characterized in that wherein the surface body has opposite outside and interior
The one end in face, the surface body perforation is tilted relative to the outside or the inner face.
8. a kind of light guide plate, characterized by comprising:
Plate body has the light shielding part being mutually connected and transmittance section, and the light shielding part stops light to pass through, and the transmittance section is for light
Pass through；
Multiple leaded light micro-structures, are set to the plate body with refracted light；And
Multiple light guide plate perforation, run through the plate body.
9. light guide plate according to claim 8, which is characterized in that wherein the multiple guide-lighting micro-structure is uniformly distributed in institute
It states in plate body.
10. light guide plate according to claim 8, which is characterized in that wherein the multiple guide-lighting micro-structure is set to described
The wherein one side of plate body.
11. light guide plate according to claim 8, which is characterized in that wherein the multiple light guide plate perforation is located at the screening
The intersection in light portion and the transmittance section.
12. light guide plate according to claim 8, which is characterized in that wherein the multiple light guide plate perforation is located at described
Light portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820769639.XU CN208224525U (en) | 2018-05-23 | 2018-05-23 | Light emitting device and its light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820769639.XU CN208224525U (en) | 2018-05-23 | 2018-05-23 | Light emitting device and its light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208224525U true CN208224525U (en) | 2018-12-11 |
Family
ID=64509289
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820769639.XU Active CN208224525U (en) | 2018-05-23 | 2018-05-23 | Light emitting device and its light guide plate |
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| Country | Link |
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| CN (1) | CN208224525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112996302A (en) * | 2019-12-13 | 2021-06-18 | 华硕电脑股份有限公司 | Electronic device |
-
2018
- 2018-05-23 CN CN201820769639.XU patent/CN208224525U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112996302A (en) * | 2019-12-13 | 2021-06-18 | 华硕电脑股份有限公司 | Electronic device |
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