CN205404868U - Light guide plate, backlight module and display device - Google Patents
Light guide plate, backlight module and display device Download PDFInfo
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- CN205404868U CN205404868U CN201620138990.XU CN201620138990U CN205404868U CN 205404868 U CN205404868 U CN 205404868U CN 201620138990 U CN201620138990 U CN 201620138990U CN 205404868 U CN205404868 U CN 205404868U
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- guide plate
- light guide
- list structure
- hair
- light
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Abstract
The utility model relates to a light guide plate, backlight module and display device. The light guide plate contains main part, a plurality of list structure and a plurality of hair structure. The main part has at least one dominant surface into plain noodles and connection income plain noodles. The list structure is arranged on the dominant surface. The hair structure distributes in each list structure on the surface. In the surface of each list structure, these hair structures have regularity's density and arrange.
Description
Technical field
This utility model relates to a kind of light-guide device, particularly to a kind of light guide plate and the application in backlight module with display device thereof.
Background technology
Be typically in backlight module use light guide plate there is incidence surface, exiting surface and reflecting surface.The light that light source provides enters in light guide plate via the incidence surface of light guide plate, penetrates via the exiting surface of light guide plate.Wherein, it will usually on the exiting surface of light guide plate, be provided with horizontal V-arrangement micro structure, so that the light entering light guide plate can more uniformly mix before going out light.
But, the V-arrangement micro structure of this kind of transverse direction has higher directivity.Consequently, it is possible to when granule or other defect occurring when the surface of light guide plate, light will be made to be interfered when by light guide plate, thus affecting the optical appearance of light guide plate.
Utility model content
Therefore, a purpose of the present utility model is just to provide light guide plate, backlight module and display device, the light of its aerosolizable surface blemish by light guide plate, so promote backlight module and display device overall go out light quality.
According to above-mentioned purpose of the present utility model, it is proposed to a kind of light guide plate.This light guide plate comprises main body, multiple list structure and multiple hair structure.Main body has incidence surface and connects at least one first type surface of bright finish.List structure is arranged on first type surface.Hair structure distribution is on the surface of each list structure.Wherein, in the surface of each list structure, these hair structures have the arrangement of well-regulated density.
According to an embodiment of the present utility model, above-mentioned first type surface is exiting surface or reflecting surface.
According to another embodiment of the present utility model, the cross sectional shape of above-mentioned list structure is triangle, semicircle or trapezoidal.
According to another embodiment of the present utility model, the bearing of trend of each list structure above-mentioned is parallel to incidence surface and the bearing of trend extending perpendicularly to list structure of hair structure.
According to further embodiment of the present utility model, the bearing of trend of each list structure above-mentioned is parallel to incidence surface, and the bearing of trend of hair structure is parallel to the bearing of trend of list structure.
According to further embodiment of the present utility model, in each list structure above-mentioned, the arranging density away from multiple hair structures of at least one first type surface is bigger than the arranging density of the multiple hair structures near at least one first type surface.
According to above-mentioned purpose of the present utility model, it is also proposed that a kind of backlight module.This backlight module comprises aforementioned light guide plate and light source.Light source is adjacent to the incidence surface of light guide plate, and wherein light source comprises circuit board and multiple light emitting diode.These light emitting diodes are arranged on circuit boards.
According to above-mentioned purpose of the present utility model, a kind of backlight module is proposed again.This backlight module comprises aforementioned light guide plate and light source.Light source is adjacent to the incidence surface of light guide plate, and wherein light source comprises circuit board and multiple light emitting diode.These light emitting diodes are arranged on circuit boards.Wherein, in each list structure, the arranging density corresponding to the hair structure between these light emitting diodes is bigger than the arranging density of the hair structure corresponding to these light emitting diodes.
According to above-mentioned purpose of the present utility model, a kind of display device of another proposition.This display device comprises backlight module and display floater.Display floater is positioned at the front of light guide plate.
From the above, this utility model except can improving the light-out effect that light guide plate is overall by list structure, it is atomized light guide plate surface because making defect and the bright or excessively dark region of the mistake that produces also by hair structure, thus can reduce produce because of the defect of light guide plate go out light flaw, and then backlight module and the overall outgoing light homogeneity of display device can be promoted.
Accompanying drawing explanation
In order to more completely understand embodiment and advantage thereof, referring now to and carry out description below in conjunction with accompanying drawing, wherein:
Fig. 1 illustrates the local device schematic diagram of the backlight module according to the first embodiment of the present utility model；
Fig. 2 illustrates the partial top view of the backlight module according to the first embodiment of the present utility model；
Fig. 3 illustrates the local device schematic diagram of the backlight module according to the second embodiment of the present utility model；
Fig. 4 illustrates the side view of the light guide plate according to the 3rd embodiment of the present utility model；
Fig. 5 illustrates the side view of the light guide plate according to the 4th embodiment of the present utility model；And
Fig. 6 illustrates the device schematic diagram of the display device according to an embodiment of the present utility model.
Detailed description of the invention
Referring to Fig. 1 and Fig. 2, its local device schematic diagram that backlight module according to of the present utility model first embodiment is shown respectively and partial top view.The backlight module 100 of present embodiment comprises light guide plate 200 and light source 300.Light source 300 comprises circuit board 310 and the multiple light emitting diodes 320 being arranged on circuit board 310, and wherein, these light emitting diodes 320 are electrically connected with circuit board 310.Light source 300 is arranged on the side of light guide plate 200, can produce to be incident upon the light of light guide plate 200.As shown in Figures 1 and 2, light guide plate 200 comprises main body 210, multiple list structure 220 and multiple hair structure 230.List structure 220 is arranged in main body 210, and hair structure 230 is then distributed in the surface of list structure 220.Thus, the light from light guide plate 200 injection can be mixed by list structure 220, by hair structure 230 then aerosolizable light, thus can reduce light guide plate 200 because making defect and produce go out light flaw, and then the outgoing light homogeneity of backlight module 100 entirety can be promoted.
Continuing referring to Fig. 1 and Fig. 2, the main body 210 of light guide plate 200 has incidence surface 211 and at least one first type surface.In the present embodiment, first type surface has two, and one of them first type surface is exiting surface 212, and another first type surface is then reflecting surface 213, and exiting surface 212 is connected to the opposite sides of incidence surface 211 with reflecting surface 213.List structure 220 is arranged on exiting surface 212, and the bearing of trend of each list structure 220 is parallel to incidence surface 211.Hair structure 230 is distributed on the surface of each list structure 220.In the present embodiment, as in figure 2 it is shown, the bearing of trend extending perpendicularly to list structure 220 of these hair structures 230.And, in the surface of each list structure 220, these hair structures 230 have the density arrangement of systematicness.
In certain embodiments, the hair structure 230 on the surface of list structure 220 can have the arrangement of well-regulated density according to the light direction of illumination of light emitting diode 320 or other demands.As shown in Figure 2, the light that each light emitting diode 320 sends is injected in light guide plate 200 with diffusion mode, therefore, in the list structure 220 of the present embodiment, the arranging density of the hair structure 230 between light emitting diode 320 is bigger than the arranging density of the hair structure 230 being positioned corresponding to light emitting diode 320 position.
As in figure 2 it is shown, light emitting diode 320 can form multiple first district A1 and multiple second district A2 on light guide plate 200.First district A1 referred herein refers to the position of each light emitting diode 320 emitted light direct irradiation.Second district A2 then refers between adjacent light emitting diode 320 and interlocks without the position being directly irradiated to by light with light emitting diode 320.Therefore, in the present embodiment, the arranging density of the hair structure 230 being positioned at the first district A1 is less than the arranging density of the hair structure 230 being positioned at the second district A2, and thus adjustable light is spent all together, and then can promote the overall light-out effect of backlight module 100.
Want to be noted that the list structure 220 of present embodiment is arranged on exiting surface 212 and is not used to restriction this utility model.In other embodiments, it is possible to according to design requirement, list structure 220 is designed on reflecting surface 213.Additionally, the bearing of trend of list structure 220 of the present utility model is also not necessarily limited to be parallel to incidence surface 211, in other embodiments, it is possible to adjust the bearing of trend of list structure 220 according to different designs demand.
In other embodiments, the hair structure on light guide plate also can have different bearing of trends.Refer to Fig. 3, it illustrates the local device schematic diagram of the backlight module according to the second embodiment of the present utility model.The structure of the backlight module 400 of present embodiment is generally identical with backlight module 100, and the light guide plate 500 that difference is only that in backlight module 400 has different hair structures.As it is shown on figure 3, light guide plate 500 comprises main body 510, multiple list structure 520 and multiple hair structure 530.Wherein, main body 510 has incidence surface 511 and at least one first type surface.In the present embodiment, first type surface has two, and one of them first type surface is exiting surface 512, and another first type surface is then reflecting surface 513, and exiting surface 512 is connected to the opposite sides of incidence surface 511 with reflecting surface 513.As it is shown on figure 3, list structure 520 is arranged on exiting surface 512, and the bearing of trend of each list structure 520 is parallel to incidence surface 511.Hair structure 530 is then distributed on the surface of each list structure 520.Wherein, in the surface of each list structure 520, the bearing of trend of these hair structures 530 is parallel to the bearing of trend of list structure 520, and these hair structures 530 have the arrangement of well-regulated density equally.
Continuing referring to shown in Fig. 3, in the list structure 520 of the present embodiment, the arranging density away from the hair structure 530 of exiting surface 512 is bigger than the arranging density of the hair structure 530 of close exiting surface 512.In the present embodiment, owing to list structure 520 is projective structure, and list structure 520 is easier on making than the part surface away from exiting surface 512 or occurs in handling process making flaw or collision defect, therefore the aerosolizable light of hair structure 530 is set in the part being likely to occur flaw, to avoid the light problem because causing light uneven by flaw part.Want to be noted that in various embodiments, it is possible to according to demand, list structure 520 is designed to sunk structure.
Wanting to be noted that in the backlight module 100 and 400 of previous embodiment, the cross sectional shape of list structure 220 and 520 is triangle be not used to restriction this is novel.In other embodiments, the cross sectional shape of list structure is alternatively other shapes.Refer to Fig. 4, it illustrates the side view of the light guide plate according to the 3rd embodiment of the present utility model.In the embodiment shown in fig. 4, the bearing of trend of the list structure 620 of light guide plate 600 is parallel to incidence surface 611, and cross sectional shape is trapezoidal.In the present embodiment, according to demand, hair structure can be designed to be parallel or perpendicular to the bearing of trend of list structure 620, and have the arrangement of well-regulated density, to reach the purpose identical with previous embodiment.
Again as it is shown in figure 5, Fig. 5 illustrates the side view of the light guide plate according to the 4th embodiment of the present utility model.In the embodiment shown in fig. 5, the bearing of trend of the list structure 720 of light guide plate 700 is parallel to incidence surface 711, and cross sectional shape is semicircle.In the present embodiment, according to demand, hair structure can be designed to be parallel or perpendicular to the bearing of trend of list structure 720 equally, and have the arrangement of well-regulated density, to reach the purpose identical with previous embodiment.
Separately refer to Fig. 6, it illustrates the side view of the display device according to an embodiment of the present utility model.The display device 800 of present embodiment comprises backlight module 100 as shown in Figure 1 and display floater 810.As shown in Figure 6, display floater 810 is arranged on the light emission side of the light guide plate 200 of backlight module 100.Display device 800 is by list structure 220 purpose that reach aforementioned atomization and homogenization light same with hair structure 230 on light guide plate 200, so not repeating them here.Want to be noted that the backlight module 100 shown in Fig. 1 is applied in display device 800 and is only used for explanation of demonstrating by the present embodiment, and be not used to restriction this utility model.The light guide plate of other embodiments aforementioned, for instance light guide plate 500,600 and 700 also apply be applicable in display device, to produce same effect.
From above-mentioned this utility model embodiment, this utility model except can improving the light-out effect that light guide plate is overall by list structure, it is atomized light guide plate surface because making defect and the bright or excessively dark region of the mistake that produces also by hair structure, thus can reduce produce because of the defect of light guide plate go out light flaw, and then backlight module and the overall outgoing light homogeneity of display device can be promoted.
Although this utility model carries out disclosed above with embodiment; but it is not limited to this utility model; any those skilled in the art are without departing from spirit and scope of the present utility model; should various modifications may be made and modify, therefore protection domain of the present utility model should be as the criterion with the scope that claim defines.
[symbol description]
100 backlight modules
200 light guide plates
210 main bodys
211 incidence surfaces
212 exiting surfaces
213 reflectings surface
220 list structures
230 hair structures
300 light sources
310 circuit boards
320 light emitting diodes
400 backlight modules
500 light guide plates
510 main bodys
511 incidence surfaces
512 exiting surfaces
513 reflectings surface
520 list structures
530 hair structures
600 light guide plates
611 incidence surfaces
620 list structures
700 light guide plates
711 incidence surfaces
720 list structures
800 display devices
810 display floaters
A1 the firstth district
A2 the secondth district.
Claims (10)
1. a light guide plate, including:
Main body, it has incidence surface and connects at least one first type surface of described incidence surface；
Multiple list structures, it is arranged at least one first type surface described；And
Multiple hair structures, it is distributed on the surface of each the plurality of list structure, and wherein, in the surface of each the plurality of list structure, the plurality of hair structure has the arrangement of well-regulated density.
2. light guide plate according to claim 1, at least one first type surface wherein said is exiting surface or reflecting surface.
3. light guide plate according to claim 1, the cross sectional shape of the plurality of list structure of each of which is triangle, semicircle or trapezoidal.
4. light guide plate according to claim 1, the bearing of trend of the plurality of list structure of each of which is parallel to described incidence surface, the bearing of trend extending perpendicularly to the plurality of list structure of the plurality of hair structure.
5. light guide plate according to claim 1, the bearing of trend of the plurality of list structure of each of which is parallel to described incidence surface, and the bearing of trend of the plurality of hair structure is parallel to the bearing of trend of the plurality of list structure.
6. light guide plate according to claim 5, wherein in each the plurality of list structure, the arranging density away from the plurality of hair structure of at least one first type surface described is bigger than the arranging density of the plurality of hair structure near at least one first type surface described.
7. a backlight module, including:
Light guide plate according to any one of claim 1 to 6；And
Light source, it is adjacent to the described incidence surface of described light guide plate, and wherein said light source comprises circuit board and the multiple light emitting diodes being arranged on described circuit board.
8. a backlight module, including:
Light guide plate according to claim 4；And
Light source, it is adjacent to the described incidence surface of described light guide plate, and wherein said light source comprises circuit board and the multiple light emitting diodes being arranged on described circuit board,
Wherein in each the plurality of list structure, the arranging density corresponding to the plurality of hair structure between the plurality of light emitting diode is bigger than the arranging density of the plurality of hair structure corresponding to the plurality of light emitting diode.
9. a display device, including:
Backlight module according to claim 7；And
Display floater, it is positioned at the front of described light guide plate.
10. a display device, including:
Backlight module according to claim 8；And
Display floater, it is positioned at the front of described light guide plate.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138990.XU CN205404868U (en) | 2016-02-24 | 2016-02-24 | Light guide plate, backlight module and display device |
| TW105203018U TWM527103U (en) | 2016-02-24 | 2016-03-04 | Light guide plate, backlight module and display device |
| JP2016002905U JP3206145U (en) | 2016-02-24 | 2016-06-21 | Light guide plate, backlight module, and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620138990.XU CN205404868U (en) | 2016-02-24 | 2016-02-24 | Light guide plate, backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205404868U true CN205404868U (en) | 2016-07-27 |
Family
ID=56446001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620138990.XU Active CN205404868U (en) | 2016-02-24 | 2016-02-24 | Light guide plate, backlight module and display device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3206145U (en) |
| CN (1) | CN205404868U (en) |
| TW (1) | TWM527103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610590A (en) * | 2019-02-26 | 2020-09-01 | 瑞仪光电(南京)有限公司 | Light guide plate, backlight module and display device |
-
2016
- 2016-02-24 CN CN201620138990.XU patent/CN205404868U/en active Active
- 2016-03-04 TW TW105203018U patent/TWM527103U/en unknown
- 2016-06-21 JP JP2016002905U patent/JP3206145U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610590A (en) * | 2019-02-26 | 2020-09-01 | 瑞仪光电(南京)有限公司 | Light guide plate, backlight module and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM527103U (en) | 2016-08-11 |
| JP3206145U (en) | 2016-09-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |