CN202533599U - Light guide plate and backlight module having the light guide plate - Google Patents
Light guide plate and backlight module having the light guide plate Download PDFInfo
- Publication number
- CN202533599U CN202533599U CN2012200275123U CN201220027512U CN202533599U CN 202533599 U CN202533599 U CN 202533599U CN 2012200275123 U CN2012200275123 U CN 2012200275123U CN 201220027512 U CN201220027512 U CN 201220027512U CN 202533599 U CN202533599 U CN 202533599U
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- lgp
- light
- guide plate
- light guide
- incidence surface
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Abstract
The utility model discloses a light guide plate. The light guide plate is provided with a light receiving face and a light emitting face. The light guide plate is in a bending shape and the light receiving face is in parallel with the light emitting face. The light receiving face faces a light source. Thus, light emitting by the power source enters into the light guide plate through the light receiving face. And the light is reflected for multiple times in the light guide plate and finally exits from the light emitting face. The light guide plate not only has a thin structure, but also can be used with a prior light emitting diode in cooperation. Besides, the utility model also discloses a backlight module having the light guide plate.
Description
Technical field
The utility model relates to a kind of mobile phone component, relates in particular to a kind of module backlight that is applicable to the ultra-thin light guide board in the mobile phone and has this LGP.
Background technology
Under the continuous promotion of emerging mechanics of communication; Mobile communication just develops towards directions such as high speed, broadband, high frequencies; And how various mobile communication products are realized carrying more easily, how better collaborative work etc. automatically between the various terminal device, concerning mobile communication is served dealer, system equipment supplier, communication products manufacturer or other relevant dealers, all are the topics that need pay close attention at any time; For example as the mobile phone of one of requisite communication tool in the daily life; Also just develop towards directions such as high capacity, high-speed, small sizes, ultrathin mobile phone has been exactly wherein a kind of, and ultrathin mobile phone is the extremely thin mobile phone type of a kind of integral thickness; This mobile phone thickness of the various parts on the requirement mobile phone when design all reaches and minimizes, to reach the purpose that reduces the mobile phone integral thickness; Especially present smart mobile phone is done thinner and thinner, and reason is handset touch panel, and (Touch panel, be called for short: the structure of the LGP TP) is more and more littler.
Like Fig. 1, shown in Figure 2; Existing mobile phone light guide panel 20 adopts the side incident type usually; Promptly the side at LGP 20 is provided with back light 10, and said back light more than 10 adopts high brightness and the little light emitting diode of power consumption, and the light that said light emitting diode sends gets in the LGP 20 through the incidence surface 21 of LGP 20; Light in LGP 20 through repeatedly the reflection after; Finally make light spread all over the exiting surface 23 of LGP 20, during work, the touch-screen through the bright outside of illumination that the exiting surface 23 of LGP 20 is dispersed.From figure, can find out that existing LGP 20 is flat construction, therefore, light is to realize leaded light in the plane in LGP 20.But along with light conducting plate structure is done littler and littler; Existing common light emitting diode can not directly be arranged at the leaded light that touch-screen gets off to realize the touch screen functionality key; Therefore; Need a kind of follow-on light conducting plate structure, existing thinner structure can satisfy again and being used of existing light emitting diode.
Therefore, be necessary to provide a kind of and follow-only have thinner structure, and can satisfy and the LGP that is used of existing light emitting diode overcomes the deficiency of prior art.
The utility model content
The purpose of the utility model is to provide a kind of follow-on LGP, and it has thinner structure, and can satisfy and being used of existing light emitting diode.
Another purpose of the utility model is to provide a kind of module backlight, and its LGP that has has thinner structure, and can satisfy and being used of existing light emitting diode.
For realizing above-mentioned purpose, the technical scheme of the utility model is: a kind of LGP is provided, and it is applicable in the mobile phone; Said LGP has an incidence surface and an exiting surface; Said incidence surface corresponding light source, said LGP is bending, and said incidence surface and said exiting surface parallel; The light that said light source sends gets into said LGP through said incidence surface, and through said exiting surface outgoing.
Preferably; Said LGP also comprises a bending side; Be connected through said bending side between said incidence surface and the said exiting surface, and the two ends of said bending side are provided with corresponding reflection spot, the light that light source sends is after said incidence surface gets into said LGP; After the reflection spot that is provided with through the two ends of bending side reflects, again through said exiting surface outgoing.
Preferably, said exiting surface is reticulate texture, and the light that LGP is sent is more even.
Preferably, said light source is arranged at the side of said incidence surface.
Correspondingly, the utility model also provides a kind of module backlight, and it comprises light source and LGP; Said light source is arranged at the side of said LGP; Said LGP has an incidence surface and an exiting surface, and said LGP is bending, and said incidence surface and said exiting surface parallel; The light that said light source sends gets into said LGP through said incidence surface, and through said exiting surface outgoing.
Preferably; Said LGP also comprises a bending side; Be connected through said bending side between said incidence surface and the said exiting surface, and the two ends of said bending side are provided with corresponding reflection spot, the light that light source sends is after said incidence surface gets into said LGP; After the reflection spot that is provided with through the two ends of bending side reflects, again through said exiting surface outgoing.
Preferably, said exiting surface is reticulate texture, and the light that LGP is sent is more even.
Preferably, said light source is arranged at the side of said incidence surface.
Compared with prior art, because the LGP of the utility model has an incidence surface and an exiting surface, said LGP is bending; And said incidence surface and said exiting surface parallel, said incidence surface corresponding light source, therefore; The light that said light source sends in said incidence surface gets into said LGP, and light in LGP through repeatedly the reflection after, after said exiting surface outgoing; This LGP not only has thinner structure, and can satisfy and being used of existing light emitting diode.Module backlight with LGP of the utility model also has identical effect.
Description of drawings
Fig. 1 is the structural representation of existing module backlight.
Fig. 2 is the schematic cross-section of Fig. 1.
Fig. 3 is the structural representation of the utility model module backlight.
Fig. 4 is the schematic cross-section of Fig. 3.
Embodiment
With reference now to accompanying drawing, describe the embodiment of the utility model, the similar elements label is represented similar elements in the accompanying drawing.Said module 1 backlight of the utility model and LGP 20 thereof are applicable in the mobile phone, are particularly useful for having in the smart mobile phone of touch-screen.
Like Fig. 3, shown in Figure 4, the said module 1 backlight of the utility model, it comprises light source 10 and LGP 20; Said light source 10 is arranged at the side of said LGP 20; After the light that light source 10 sends got into LGP 20, light after repeatedly reflecting, finally made light spread all over LGP 20 in LGP 20; During work, the touch-screen through the bright outside of illumination that LGP 20 is dispersed.Preferably, said light source 10 is a light emitting diode, and light emitting diode has higher brightness, and power consumption is little, makes mobile phone can satisfy higher performance requirement.
Continue to combine Fig. 3, shown in Figure 4, said LGP 20 is bending.Particularly; Said LGP 20 has incidence surface 21, bending side 22 and exiting surface 23, be connected through said bending side 22 between said incidence surface 21 and the said exiting surface 23, and said incidence surface 21 parallels with said exiting surface 23; Be provided with corresponding reflection spot 221,222 at the two ends of said bending side 22; The side of incidence surface 21 is provided with said light source 10, and therefore, the light that light source 10 sends is after said incidence surface 21 gets into said LGP 20; Reflection spot 221, the 222 reflection backs that are provided with through the two ends of bending side 22 again get into exiting surfaces 23, and after exiting surface 23 diffuse reflections outgoing to illuminate mobile phone display screen.The reflection spot 221,222 that the two ends of bending side 22 are provided with, the reflection angle of change light makes light in LGP 20 inside turns, reduces the loss of light when turning simultaneously.
Because the LGP 20 of the utility model has an incidence surface 21 and an exiting surface 23; Said LGP 20 is bending, and said incidence surface 21 parallels said incidence surface 21 corresponding light sources 10 with said exiting surface 23; Therefore; The light that said light source 10 sends gets in the said LGP 20 through said incidence surface 21, and light LGP 20 in after repeatedly reflecting, after 23 outgoing of said exiting surface; This LGP 20 not only has thinner structure, and can satisfy and being used of existing light emitting diode.
The utility model light source 10 is well known to those of ordinary skill in the art with the relation that is provided with of LGP 20, no longer does detailed explanation at this.
The above disclosed preferred embodiment that is merely the utility model can not limit the interest field of the utility model certainly with this, so according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (8)
1. LGP; Be applicable in the mobile phone that said LGP has an incidence surface and an exiting surface, said incidence surface corresponding light source; It is characterized in that: said LGP is bending; And said incidence surface and said exiting surface parallel, and the light that said light source sends gets into said LGP through said incidence surface, and through said exiting surface outgoing.
2. LGP as claimed in claim 1 is characterized in that: also comprise a bending side, be connected through said bending side between said incidence surface and the said exiting surface, and the two ends of said bending side are provided with corresponding reflection spot.
3. LGP as claimed in claim 1 is characterized in that: said exiting surface is reticulate texture.
4. LGP as claimed in claim 1 is characterized in that: said light source is arranged at the side of said incidence surface.
5. module backlight; Comprise light source and LGP, said light source is arranged at the side of said LGP, it is characterized in that: said LGP has an incidence surface and an exiting surface; Said LGP is bending; And said incidence surface and said exiting surface parallel, and the light that said light source sends gets into said LGP through said incidence surface, and through said exiting surface outgoing.
6. module backlight as claimed in claim 5 is characterized in that: said LGP also comprises a bending side, be connected through said bending side between said incidence surface and the said exiting surface, and the two ends of said bending side is provided with corresponding reflection spot.
7. module backlight as claimed in claim 5 is characterized in that: said exiting surface is reticulate texture.
8. module backlight as claimed in claim 5 is characterized in that: said light source is arranged at the side of said incidence surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200275123U CN202533599U (en) | 2012-01-19 | 2012-01-19 | Light guide plate and backlight module having the light guide plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200275123U CN202533599U (en) | 2012-01-19 | 2012-01-19 | Light guide plate and backlight module having the light guide plate |
Publications (1)
Publication Number | Publication Date |
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CN202533599U true CN202533599U (en) | 2012-11-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2012200275123U Expired - Fee Related CN202533599U (en) | 2012-01-19 | 2012-01-19 | Light guide plate and backlight module having the light guide plate |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103672634A (en) * | 2013-06-14 | 2014-03-26 | 江苏瑞丰电子有限公司 | Modular panel lamp |
WO2016161664A1 (en) * | 2015-04-07 | 2016-10-13 | 武汉华星光电技术有限公司 | Display device and backlight module thereof |
US10732452B2 (en) | 2018-01-15 | 2020-08-04 | Au Optronics Corporation | Display device |
-
2012
- 2012-01-19 CN CN2012200275123U patent/CN202533599U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103672634A (en) * | 2013-06-14 | 2014-03-26 | 江苏瑞丰电子有限公司 | Modular panel lamp |
CN103672634B (en) * | 2013-06-14 | 2016-10-05 | 江苏瑞丰电子有限公司 | Modular panel lamp |
CN106247234A (en) * | 2013-06-14 | 2016-12-21 | 江苏华兴电子有限公司 | Use the flat lamp of LED |
CN106247234B (en) * | 2013-06-14 | 2018-02-27 | 江苏华兴电子有限公司 | Using LED flat lamp |
WO2016161664A1 (en) * | 2015-04-07 | 2016-10-13 | 武汉华星光电技术有限公司 | Display device and backlight module thereof |
US9891373B2 (en) | 2015-04-07 | 2018-02-13 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display device and backlight module thereof |
US10732452B2 (en) | 2018-01-15 | 2020-08-04 | Au Optronics Corporation | Display device |
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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: 20121114 Termination date: 20140119 |