CN203147631U - Diffuser plate, backlight module and display device - Google Patents
Diffuser plate, backlight module and display device Download PDFInfo
- Publication number
- CN203147631U CN203147631U CN2013201879746U CN201320187974U CN203147631U CN 203147631 U CN203147631 U CN 203147631U CN 2013201879746 U CN2013201879746 U CN 2013201879746U CN 201320187974 U CN201320187974 U CN 201320187974U CN 203147631 U CN203147631 U CN 203147631U
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- diffuser plate
- groove
- light
- module backlight
- light emitting
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Abstract
The utility model provides a diffuser plate, a backlight module and a display device, and relates to the field of display technology. The diffuser plate, the backlight module and the display device solve the problem that a diffuser plate of an existing backlight module is not even in bright dipping. The diffuser plate comprises an upper surface far away from a light source and the lower surface close to the light source, wherein a plurality of inward grooves are formed in at least one surface. The diffuser plate, the backlight module and the display device are suitable for design and manufacture of parts of display devices.
Description
Technical field
The utility model relates to the Display Technique field, relates in particular to a kind of diffuser plate, module backlight and display unit.
Background technology
Along with the development of Display Technique, the consumer requires also more and more higher to the brightness of product and picture uniformity etc.Display panels itself does not have the characteristics of luminescence, and it is to realize Presentation Function by module backlight.Module backlight is divided into down straight aphototropism mode set and side entrance back module according to the position of light source and display screen.
Existing down straight aphototropism mode set comprises: LED(Light Emitting Diode, light emitting diode) light emitting source and diffuser plate.Wherein, LED light emitting source and diffuser plate over against, the light that the LED light emitting source sends penetrates through diffuser plate, wherein, diffuser plate mainly plays even light and supports diaphragm.As shown in Figure 1, the segment distances on each LED light emitting source 102 main irradiation diffuser plates 101 can disperse to both sides during the light outgoing of sending from the LED light emitting source, and from the optical length of the light of sidepiece outgoing, energy loss is bigger.Because the relative intensity of light reduces with the increase of beam angle, i.e. the light intermediate intensity height that sends of light-emitting diode illumination source and both sides intensity is low, lack of homogeneity, thus cause the uniformity of luminance of module backlight poor.
The utility model content
Embodiment of the present utility model provides a kind of diffuser plate, module backlight and display unit, described diffuser plate comprises the lower surface away from the upper surface of light source and close light source, and at least one surface of described diffuser plate is provided with the groove that concaves, the module backlight that comprises described diffuser plate, described groove and light source over against, can improve the luminous homogeneity of module backlight.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
The utility model embodiment provides a kind of diffuser plate, comprising: away from the upper surface of light source and the lower surface of close light source, wherein, described at least one surface is provided with a plurality of inside grooves.
Optionally, described diffuser plate is respectively arranged with a plurality of inside grooves at upper surface and lower surface, and is arranged on the groove location correspondence on upper surface and the lower surface, and the width of described upper surface groove is greater than the width of lower surface groove.
Optionally, the upper surface of described diffuser plate is respectively arranged with at least one arc protuberance in the both sides of groove.
Optionally, described groove is arc.
The utility model embodiment provides a kind of module backlight, comprise: a plurality of light emitting sources and diffuser plate, wherein, the arbitrary described diffuser plate that described diffuser plate provides for the utility model embodiment, and the groove on the described diffuser plate is corresponding with the position of described light emitting source.
The utility model embodiment provides a kind of display unit, comprising: module backlight and display screen, wherein, the module backlight that described module backlight provides for the utility model embodiment.
A kind of diffuser plate that the utility model embodiment provides, module backlight and display unit, described diffuser plate comprises the lower surface away from the upper surface of light source and close light source, and at least one surface is provided with inside groove, and described groove can be with the outside deviation of light.The module backlight that comprises described diffuser plate, by making the groove on the diffuser plate corresponding with light source on the module backlight, be that described groove corresponding light source shines the stronger zone of energy on the diffuser plate, can make corresponding light source shine energy is stronger on the diffuser plate light deflection to the more weak zone of energy, diffuser plate is realized even bright dipping.
Description of drawings
Fig. 1 is the structural representation of diffuser plate and light source in the existing module backlight;
A kind of diffuser plate and light path schematic diagram thereof that Fig. 2 provides for the utility model embodiment;
Another kind of diffuser plate and light path schematic diagram thereof that Fig. 3 provides for the utility model embodiment;
Reference numeral:
The 101-diffuser plate; The 102-light emitting source.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.
The utility model embodiment provides a kind of diffuser plate, comprising: away from the upper surface of light source and the lower surface of close light source, wherein, described at least one surface is provided with a plurality of inside grooves.
Concrete, described at least one surface is provided with a plurality of inside grooves, can be that upper surface at described diffuser plate is provided with a plurality of inside grooves, can also be that lower surface at described diffuser plate is provided with a plurality of inside grooves, can also be that upper surface and the lower surface at described diffuser plate is provided with inside groove.Need to prove that the groove that no matter is arranged on upper surface also is arranged on the groove of lower surface, its all with light source over against or light source over against near the stronger zone of the light energy zone.As shown in Figure 2, only to be respectively arranged with a plurality of inside grooves with upper surface at described diffuser plate shown in Figure 2 and lower surface be that example is elaborated to the utility model embodiment.Concrete, as shown in Figure 2, diffuser plate surperficial and lower surface thereon is respectively arranged with a plurality of inside grooves, the outside deviation of the groove of light a on lower surface that light emitting source 102 sends, groove on upper surface outside deviation again more afterwards, emergent ray a ' compares with the light a of original route as can be seen, outwards deviation, namely make light from light emitting source over against the stronger regional deviation of energy to the more weak zone of energy, and then make that the diffuser plate bright dipping is more even; The outside deviation of the groove of light b on lower surface that light 102 sends, groove on upper surface outside deviation again more afterwards, emergent ray b ' compares with the light b of original route as can be seen, outside deviation, namely make light from light emitting source over against the stronger regional deviation of energy to the more weak zone of energy, and then make that the diffuser plate bright dipping is more even.
The utility model embodiment provides a kind of diffuser plate, and at least one surface of described diffuser plate is provided with inside groove, and described groove is with the outside deviation of light.The module backlight that comprises described diffuser plate, by making the groove on the diffuser plate corresponding with light emitting source on the module backlight, be that the corresponding light emitting source of described groove shines the stronger zone of energy on the diffuser plate, can make corresponding light emitting source shine energy is stronger on the diffuser plate light deflection to the more weak zone of energy, diffuser plate is realized even bright dipping.
Optionally, as shown in Figure 2, described diffuser plate is respectively arranged with a plurality of inside grooves at upper surface and lower surface, and is arranged on the groove location correspondence on upper surface and the lower surface, and the width of described upper surface groove is greater than the width of lower surface groove.Groove location correspondence on described upper surface and the lower surface, then described two grooves can be over against, the i.e. the strongest zone of corresponding light energy with light emitting source.Because light is through the outside deviation of lower surface, therefore make the width of upper surface upper groove greater than the width of lower surface upper groove, can further make through the further deviation of the groove of light on upper surface of lower surface deviation, make that the deviation angle of light is bigger.
Optionally, as shown in Figure 3, the upper surface of described diffuser plate is respectively arranged with at least one arc protuberance in the both sides of groove.Need to prove, described at least one protuberance is arranged on closer apart from light emitting source, be in the stronger zone of the light energy sent of light emitting source, its can according to the different numbers that arrange in the position of concrete light emitting source with apart from different, and described arc protuberance can so that light to extrinsic deflection.In addition, the radian of described protuberance and radius can be different according to the position of concrete light emitting source etc.As shown in Figure 3, the light c that light emitting source 102 sends is after the refraction of diffuser plate lower surface, the protuberance that passes through the diffuser plate upper surface again is outside deviation again, emergent ray c ' compares outside deviation with original route light c as can be seen, namely make light from light emitting source over against the stronger regional deviation of energy to the more weak zone of energy, and then make that the diffuser plate bright dipping is more even; The light d that light emitting source 102 sends is after the refraction of diffuser plate lower surface, the protuberance that passes through the diffuser plate upper surface again is outside deviation again, emergent ray d ' compares outside deviation with original route light d as can be seen, namely make light from light emitting source over against the stronger regional deviation of energy to the more weak zone of energy, and then make that the diffuser plate bright dipping is more even.
Optionally, as shown in Figure 2, described groove is arc.Certainly, described groove can also be triangle etc., and embodiment of the present utility model is that inside arc is that example is elaborated with described groove.
Optionally, the center position of the upper surface of described diffuser plate between two grooves can also arrange the protuberance of outside major arc shape; Perhaps the center position of the lower surface of described diffuser plate between two grooves can also arrange the protuberance of outside minor arc shape.Described protuberance can be so that away from light emitting source, and the more weak zone of light energy strengthens energy by making light-ray condensing.
The utility model embodiment provides a kind of module backlight, comprise: a plurality of light emitting sources and diffuser plate, wherein, the arbitrary described diffuser plate that described diffuser plate provides for the utility model embodiment, and the groove on the described diffuser plate is corresponding with the position of described light emitting source.
In the described module backlight, light source is corresponding with the groove location on the described diffuser plate, be that described groove corresponding light source shines the stronger zone of energy on the diffuser plate, light is through the outside deviation of groove, can make corresponding light source shine energy is stronger on the diffuser plate light deflection to the more weak zone of energy, diffuser plate is realized even bright dipping.Need to prove that the light source of existing module backlight mainly is the LED lamp source, then the namely corresponding LED lamp of described each light emitting source.
The utility model embodiment provides a kind of display unit, comprising: module backlight and display screen, wherein, the module backlight that described module backlight provides for the utility model embodiment.Described display unit can be display devices such as LCD, Electronic Paper and any product or the parts with Presentation Function such as TV, digital camera, mobile phone, panel computer that comprise these display devices.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (6)
1. a diffuser plate comprises: away from the upper surface of light source and the lower surface of close light source, it is characterized in that described at least one surface is provided with a plurality of inside grooves.
2. diffuser plate according to claim 1, it is characterized in that, described diffuser plate is respectively arranged with a plurality of inside grooves at upper surface and lower surface, and is arranged on the groove location correspondence on upper surface and the lower surface, and the width of described upper surface groove is greater than the width of lower surface groove.
3. according to the described diffuser plate of claim 1, it is characterized in that the upper surface of described diffuser plate is respectively arranged with at least one arc protuberance in the both sides of groove.
4. according to each described diffuser plate of claim 1-3, it is characterized in that described groove is arc.
5. module backlight, comprising: a plurality of light emitting sources and diffuser plate is characterized in that described diffuser plate is each described diffuser plate of claim 1-4, and the groove on the described diffuser plate is corresponding with the position of described light emitting source.
6. display unit, comprising: module backlight and display screen is characterized in that described module backlight is the described module backlight of claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201879746U CN203147631U (en) | 2013-04-15 | 2013-04-15 | Diffuser plate, backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201879746U CN203147631U (en) | 2013-04-15 | 2013-04-15 | Diffuser plate, backlight module and display device |
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| Publication Number | Publication Date |
|---|---|
| CN203147631U true CN203147631U (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201879746U Expired - Lifetime CN203147631U (en) | 2013-04-15 | 2013-04-15 | Diffuser plate, backlight module and display device |
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| Country | Link |
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| CN (1) | CN203147631U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727493A (en) * | 2013-12-25 | 2014-04-16 | 京东方科技集团股份有限公司 | Diffusion plate, backlight module and display device |
| CN113138493A (en) * | 2021-04-07 | 2021-07-20 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method thereof |
-
2013
- 2013-04-15 CN CN2013201879746U patent/CN203147631U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103727493A (en) * | 2013-12-25 | 2014-04-16 | 京东方科技集团股份有限公司 | Diffusion plate, backlight module and display device |
| CN113138493A (en) * | 2021-04-07 | 2021-07-20 | 武汉华星光电技术有限公司 | Backlight module and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |
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| CX01 | Expiry of patent term |