CN203176911U - Backlight device and displayer - Google Patents
Backlight device and displayer Download PDFInfo
- Publication number
- CN203176911U CN203176911U CN 201220719671 CN201220719671U CN203176911U CN 203176911 U CN203176911 U CN 203176911U CN 201220719671 CN201220719671 CN 201220719671 CN 201220719671 U CN201220719671 U CN 201220719671U CN 203176911 U CN203176911 U CN 203176911U
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- reflecting layer
- lighting device
- back lighting
- lgp
- framework
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Abstract
The utility model discloses a backlight device. The backlight device comprises a framework, a light guide plate arranged inside the framework and a light source arranged inside the framework, wherein the light emitted by the light source enters the light guide plate, and the inner bottom surface and the inner wall of the framework are respectively provided with a reflection layer. The utility model further discloses a displayer. The displayer comprises the backlight device and a displaying panel, wherein the displaying panel is arranged at the side, deviating from the inner bottom surface of the framework, of the light guide plate inside the backlight device. The backlight device resolves the problem that when an existing backlight device is detached, a reflection sheet will be damaged, and therefore the backlight device can be assembled and detached conveniently.
Description
Technical field
The utility model relates to the backlight technical field, particularly relates to a kind of back lighting device and display.
Background technology
Along with the progress that shows science and technology, with traditional cathode-ray tube (Cathode Ray Tube, abbreviation CRT) display is compared, LCD (Liquid Crystal Display, be called for short LCD) owing to have the little and advantage that do not take up space of light, thin, low radiation and volume, become at present main force's product of monitor market, a large amount of being applied in the various electronic products such as calculator, notebook, digital camera, mobile phone simultaneously.
In general LCD, usually comprise the assembly that colour display screen of the same colour shows function, it for example is display floater, because display panels does not have the function of active illuminating, so below display floater, need to dispose a back lighting device (Back Light Unit) so that a backlight to be provided, so that display floater can reach the purpose of demonstration.
Fig. 1 is the generalized section of back lighting device of the prior art, and as shown in Figure 1, back lighting device 100 of the prior art comprises that a framework 101, a reflector plate 102, a LGP 103, a fixed frame 104 and a light source 105 form.Wherein, described LGP 103 is arranged in the described framework 101 with described light source 105, and described light source 105 is disposed at described LGP 103 sides, and the light that makes described light source 105 penetrate enters in the described LGP 103.Described reflector plate 102 is at described LGP 103 and between the inner bottom surface of described framework 101, described reflector plate 102 can will enter the light reflection of described LGP 103, deviated from the side ejaculation of described framework 101 inner bottom surfaces at last by described LGP 103, so that backlight equably to be provided.Described fixed frame 104 is positioned at the inwall place of described framework 101, with parts such as fixing described LGP 103 and/or light sources 105.
Described reflector plate 102 in the back lighting device 100 of the prior art is generally silver-colored reflector plate, silver-colored reflector plate expensive; Silver reflector plate light weight and thin, easily be adsorbed on described framework 101 and/or the described LGP 103, when described light source 105 is assembled from described framework 101 sides, dismantle that described framework 101 is as easy as rolling off a log to cause damage to silver-colored reflector plate, be difficult to reduce described back lighting device 100 thereby cause, be unfavorable for re-assemblying.
Therefore, how to provide a kind of back lighting device, can carry out assembly and disassembly to described back lighting device easily, become the problem that those skilled in the art need solve.
The utility model content
The purpose of this utility model is, a kind of back lighting device and display are provided, and can cause the problem of reflector plate damage to solve existing back lighting device when dismantling, thereby easily described back lighting device be carried out assembly and disassembly.
For solving the problems of the technologies described above, the utility model provides a kind of back lighting device, comprising:
Framework;
Be arranged at the LGP in the described framework,
Be arranged at the light source in the described framework, the light that described light source penetrates enters described LGP;
Inner bottom surface and the inwall of described framework have the reflecting layer.
Further, in described back lighting device, described reflecting layer is golden reflecting layer, argentum reflecting layer, copper reflecting layer, aluminium reflecting layer, rhodium reflecting layer or platinum reflecting layer.
Further, in described back lighting device, described reflecting layer is that coating or sputter form.
Further, in described back lighting device, described framework has the location structure of the described LGP at least one location, described location structure be positioned at described LGP around.
Further, in described back lighting device, described back lighting device also comprises an optical diaphragm group, is arranged at the side that described LGP deviates from described framework inner bottom surface.
Further, in described back lighting device, described optical diaphragm group comprises diffusion sheet, prismatic lens and brightening piece one of them or several combinations.
According to another side of the present utility model, the utility model also provides a kind of display, comprising:
Described back lighting device and display floater, described display floater are arranged at the side that described LGP deviates from described framework inner bottom surface.
Further, in described display, described reflecting layer is golden reflecting layer, argentum reflecting layer, copper reflecting layer, aluminium reflecting layer, rhodium reflecting layer or platinum reflecting layer.
Further, in described display, described framework has the location structure of the described LGP at least one location, described location structure be positioned at described LGP around.
Further, in described display, described back lighting device also comprises an optical diaphragm group, is arranged between described LGP and the described display floater.
Further, in described display, described optical diaphragm group comprises diffusion sheet, prismatic lens and brightening piece one of them or several combinations.
Compared with prior art, the back lighting device and the display that provide of the utility model has following advantage:
1, the utility model provides a kind of back lighting device and display, this back lighting device comprises framework, LGP, light source, inner bottom surface and the inwall of described framework have the reflecting layer, compared with prior art, the light that described light source sends can be reflected in the described reflecting layer of this back lighting device, the light that described light source is sent is penetrated by the side that described LGP deviates from described framework inner bottom surface, thereby avoid using reflector plate, with convenient described back lighting device is carried out assembly and disassembly, simplified assembling process, thereby reach the purpose that reduces cost, and be conducive to re-assembly.
2, the utility model provides a kind of back lighting device and display, and the described framework of this back lighting device further has the location structure that at least one locatees described LGP, thereby avoids using fixed frame, to reach the purpose that further reduces cost.
Description of drawings
Fig. 1 is the generalized section of back lighting device of the prior art;
Fig. 2 is the generalized section of the back lighting device of the utility model one embodiment;
Fig. 3 a-Fig. 3 b is the schematic top plan view of the back lighting device of the utility model one embodiment;
Fig. 4 is the generalized section of the back lighting device of the another embodiment of the utility model;
Fig. 5 is the generalized section of the display of the utility model one embodiment.
The specific embodiment
Below in conjunction with schematic diagram back lighting device of the present utility model and display are described in more detail, wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here, and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
In the following passage, with way of example the utility model is described more specifically with reference to accompanying drawing.According to the following describes and claims, advantage of the present utility model and feature will be clearer.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Core concept of the present utility model is, the utility model provides a kind of back lighting device, this back lighting device comprises: framework, be arranged at the LGP in the described framework, be arranged at the light source in the described framework, the light that described light source penetrates enters described LGP, inner bottom surface and the inwall of described framework have the reflecting layer, thereby avoid using reflector plate, with convenient described back lighting device is carried out assembly and disassembly, simplified assembling process.
Further, in conjunction with above-mentioned back lighting device, the utility model also provides a kind of display, comprises described back lighting device and display floater, and the LGP that described display floater is arranged in the described back lighting device deviates from a side of described framework inner bottom surface.
Below enumerate several embodiment of described back lighting device and display, to clearly demonstrate content of the present utility model, will be clear that, content of the present utility model is not restricted to following examples, and the improvement of other routine techniques means by those of ordinary skills is also within thought range of the present utility model.
Fig. 2 is the generalized section of the back lighting device of the utility model one embodiment, specifies the back lighting device 200 of present embodiment below in conjunction with Fig. 2.
As shown in Figure 2, described back lighting device 200 comprises: the reflecting layer 202 of framework 201, the inner bottom surface that is positioned at described framework 201 and inwall, LGP 203, light source 205.Wherein, described LGP 203 and described light source 205 are arranged in the described framework 201, and the light that described light source 205 penetrates enters described LGP 203, the light that described light source 205 sends can be reflected in described reflecting layer 202, the light that described light source 205 is sent is penetrated by the side that described LGP 203 deviates from described framework 201 inner bottom surfaces, thereby avoid using reflector plate, with convenient described back lighting device is carried out assembly and disassembly, simplified assembling process, thereby reach the purpose that reduces cost, and be conducive to re-assembly.
In the present embodiment, described light source 205 is not done concrete restriction, can be light-emittingdiode (light emitting diode is called for short LED) or cold cathode (cold cathode fluorescent tube is called for short CCFL).The light that described light source 205 sends can be through being positioned at described framework 201 reflecting layer 202 reflections of inwall, thereby enter described LGP 203, be conducive to improve the utilization rate of the light that described light source 205 sends.
Preferable, described reflecting layer 202 can be golden reflecting layer, argentum reflecting layer, copper reflecting layer, aluminium reflecting layer, rhodium reflecting layer, the light that 98% described light source 205 penetrates can be reflected in the platinum reflecting layer, and, after described back lighting device 200 is passing through use for a long time, the temperature of light source 205 is quite high, but the described reflecting layer 202 in the utility model, i.e. golden reflecting layer, argentum reflecting layer, copper reflecting layer, aluminium reflecting layer, rhodium reflecting layer, the platinum reflecting layer can be born high temperature and deformation can not taken place.But described reflecting layer 202 in the present embodiment is not limited to be golden reflecting layer, argentum reflecting layer, copper reflecting layer, aluminium reflecting layer, rhodium reflecting layer, the platinum reflecting layer, adopt resistant to elevated temperatures high reflecting material as long as adopt described reflecting layer 202, for example be the metal material with high reflection, the high-temperature resistance plastice material that adds high reflective particle etc., also within thought range of the present utility model.
Preferable, described reflecting layer 202 can be to apply or sputter formation, the described reflecting layer 202 that coating or sputter form can cover described framework 201 preferably, thereby reaches preferable reflecting effect.Wherein, the thickness in described reflecting layer 202 is not done concrete restriction, as long as the thickness in described reflecting layer 202 is unlikely to too thin and can't reaches reflecting effect, or the thickness in described reflecting layer 202 is unlikely to too thick and cause the waste to reflector material to get final product.
For described LGP 203 can firmly be positioned in the described framework 201, preferable, further, in the present embodiment, described framework 201 has at least one location structure of locating described LGP 203 204, described location structure 204 be positioned at described LGP 203 around.Here " on every side " refers to around described LGP 203, for square LGP, is four sides of LGP 203.As when as described in LGP 203 when being square, described location structure 204 can be positioned at the place, four sides of described LGP 203, described location structure 204 is with to the recessed mode of described LGP 203, prop up four sides of described LGP 203 with fixing described LGP 203, prevent that described LGP 203 is mobile in described framework 201, in conjunction with reference to figure 3a; Or described location structure 204 also can be positioned at the place, four angles of described LGP 203, equally with to the recessed mode of described LGP 203, four angles that prop up described LGP 203 prevent the movement described framework 201 in of described LGP 203 with fixing described LGP 203, in conjunction with reference to figure 3b.
Certainly, described LGP 203 is not limited to square, can also be structures such as circle, triangle, if described location structure 204 be positioned at described LGP 203 around with fixing described LGP 203, also within thought range of the present utility model.As shown in Figure 2, in the present embodiment, described location structure 204 is the latter half of " bow " shape, but the shape of described location structure 204 can be according to different needs and difference is not done concrete restriction.For example, in the back lighting device 300 of the another embodiment of the utility model, as shown in Figure 4, described location structure 304 is for being arranged on the projection of framework 301 medial surfaces, described location structure 304 can also be fixed described LGP 303, prevent that described LGP 303 is mobile in described framework 301, also within thought range of the present utility model.
In order further to promote the optics display quality of described back lighting device 200, as shown in Figure 2, preferable, in the present embodiment, described back lighting device 200 also further comprises an optical diaphragm group 206, and described optical diaphragm group 206 is arranged at the side that described LGP 203 deviates from described framework 201 inner bottom surfaces.Preferable, in the present embodiment, described optical diaphragm group 206 comprises diffusion sheet, prismatic lens and brightening piece one of them or several combinations, the light scattering more uniformly that described diffusion sheet can make described back lighting device 200 send, described prismatic lens can promote the correctness of the light light direction that described back lighting device 200 sends, and described brightening piece can promote the brightness of the light that described back lighting device 200 sends.
In the present embodiment, described back lighting device 200 can be used for preparing display, shows as Fig. 5, and Fig. 5 is the generalized section of the display of the utility model one embodiment.In Fig. 5, described display 210 comprises the described back lighting device 200(of above arbitrary embodiment or back lighting device 300) and display floater 207, described display floater 207 is arranged at that LGP deviates from a side of described framework inner bottom surface described in above-mentioned arbitrary embodiment.
In sum, the utility model provides a kind of back lighting device, this back lighting device comprises: framework, be arranged at the LGP in the described framework, be arranged at the light source in the described framework, the light that described light source penetrates enters described LGP, inner bottom surface and the inwall of described framework have the reflecting layer, thereby avoid using reflector plate, with convenient described back lighting device is carried out assembly and disassembly, simplified assembling process.Further, in conjunction with above-mentioned back lighting device, the utility model also provides a kind of display, comprises described back lighting device and display floater, and described display floater is arranged at the side that described LGP deviates from described framework inner bottom surface.Compared with prior art, the back lighting device and the display that provide of the utility model has following advantage:
1, the utility model provides a kind of back lighting device and display, this back lighting device comprises framework, LGP, light source, inner bottom surface and the inwall of described framework have the reflecting layer, compared with prior art, the light that described light source sends can be reflected in the described reflecting layer of this back lighting device, the light that described light source is sent is penetrated by the side that described LGP deviates from described framework inner bottom surface, thereby avoid using reflector plate, with convenient described back lighting device is carried out assembly and disassembly, simplified assembling process, thereby reach the purpose that reduces cost, and be conducive to re-assembly.
2, the utility model provides a kind of back lighting device and display, and the described framework of this back lighting device further has the location structure that at least one locatees described LGP, thereby avoids using fixed frame, to reach the purpose that further reduces cost.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (11)
1. back lighting device comprises:
Framework;
Be arranged at the LGP in the described framework,
Be arranged at the light source in the described framework, the light that described light source penetrates enters described LGP;
It is characterized in that inner bottom surface and the inwall of described framework have the reflecting layer.
2. back lighting device according to claim 1 is characterized in that described reflecting layer is golden reflecting layer, argentum reflecting layer, copper reflecting layer, aluminium reflecting layer, rhodium reflecting layer or platinum reflecting layer.
3. back lighting device according to claim 1 is characterized in that, described reflecting layer is to apply or sputter forms.
4. back lighting device according to claim 1 is characterized in that described framework has the location structure of the described LGP at least one location, described location structure be positioned at described LGP around.
5. back lighting device according to claim 1 is characterized in that described back lighting device also comprises an optical diaphragm group, is arranged at the side that described LGP deviates from described framework inner bottom surface.
6. as back lighting device as described in the claim 5, it is characterized in that described optical diaphragm group comprises diffusion sheet, prismatic lens and brightening piece one of them or several combinations.
7. display comprises:
The described back lighting device of claim 1 and display floater, described display floater are arranged at the side that described LGP deviates from described framework inner bottom surface.
8. as display as described in the claim 7, it is characterized in that described reflecting layer is golden reflecting layer, argentum reflecting layer, copper reflecting layer, aluminium reflecting layer, rhodium reflecting layer or platinum reflecting layer.
9. as display as described in the claim 7, it is characterized in that described framework has the location structure of the described LGP at least one location, described location structure be positioned at described LGP around.
10. as display as described in the claim 7, it is characterized in that described back lighting device also comprises an optical diaphragm group, be arranged between described LGP and the described display floater.
11., it is characterized in that described optical diaphragm group comprises diffusion sheet, prismatic lens and brightening piece one of them or several combinations as display as described in the claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719671 CN203176911U (en) | 2012-12-21 | 2012-12-21 | Backlight device and displayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719671 CN203176911U (en) | 2012-12-21 | 2012-12-21 | Backlight device and displayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176911U true CN203176911U (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220719671 Expired - Lifetime CN203176911U (en) | 2012-12-21 | 2012-12-21 | Backlight device and displayer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203176911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121843A (en) * | 2017-06-30 | 2017-09-01 | 武汉华星光电技术有限公司 | Liquid crystal display, backlight module and its assemble method |
-
2012
- 2012-12-21 CN CN 201220719671 patent/CN203176911U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121843A (en) * | 2017-06-30 | 2017-09-01 | 武汉华星光电技术有限公司 | Liquid crystal display, backlight module and its assemble method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |