CN205824930U - Display device - Google Patents

Abstract

This utility model relates to display device.This display device includes light guide plate, and this light guide plate has main body, multiple first list structure and multiple second list structure.This main body has at least one incidence surface and the first type surface being connected with this incidence surface.In the first strip structural arrangement multiple first areas on this first type surface, and each first list structure has the first tapered portion.In the second strip structural arrangement multiple second areas on this first type surface, and each second list structure has the second tapered portion.First area on this first type surface intermeshes with second area, and the form of the second list structure own is different from the form of the first list structure own.

Description

Display device

Technical field

This utility model relates to leaded light component and application thereof, and particularly to display device.

Background technology

Known backlight module mainly comprises lamp bar and light guide plate.Lamp bar comprises circuit board and is arranged on circuit board Light emitting diode on surface.Light guide plate is arranged on light emitting diode side, and the incidence surface laminating light emitting diode of light guide plate Exiting surface or only exist the least gap between both, thus can effectively utilize the light of light emitting diode.

But, due to the incidence surface of light guide plate fit the exiting surface of light emitting diode or both between only exist the least Gap, therefore the problem of bright band or brightness disproportionation easily occurs in the part of the close light emitting diode of the exiting surface of light guide plate, Thus have a strong impact on the optical appearance of light guide plate.

Utility model content

Therefore, the purpose of this utility model is to provide display device, and wherein this display device includes light guide plate, this leaded light Plate has list structure, and it can improve the problem of brightness disproportionation of part of close incidence surface of exiting surface of light guide plate, and then The uniformity light outward appearance of whole backlight module and display device can be promoted.

According to above-mentioned purpose of the present utility model, proposing a kind of display device, it comprises backlight module and display floater, this Backlight module comprises light guide plate and at least one light source, and this display floater is arranged on the front of light guide plate.This light guide plate has Main body, multiple first list structure and multiple second list structure.Main body has at least one incidence surface and first type surface, and First type surface is connected with incidence surface.In the first strip structural arrangement multiple first areas on first type surface, each of which One list structure has the first tapered portion.In the second strip structural arrangement multiple second areas on first type surface, each of which Individual second list structure has the second tapered portion.First area on first type surface intermeshes with second area, and the second strip The form of structure own is different from the form of the first list structure own.This at least one light source is adjacent at least the one of light guide plate Individual incidence surface is arranged, and wherein this light source comprises circuit board and the multiple light emitting diodes being arranged on this circuit board.

According to embodiment of the present utility model, the extension of each in above-mentioned first list structure and the second list structure Direction is perpendicular to incidence surface.The width of each in the first tapered portion and the second tapered portion is from one end court of closer incidence surface Cumulative to the other end further away from incidence surface.

According to another embodiment of the present utility model, above-mentioned incidence surface comprises the first incidence surface and the second incidence surface, and Second incidence surface and the first incidence surface are contrary.Each first list structure also comprises the 3rd tapered portion, and the 3rd tapered portion with First tapered portion is contrary.Each second list structure also comprises the 4th tapered portion, and the 4th tapered portion and the second tapered portion phase Instead.

Width according to each in another embodiment of the present utility model, above-mentioned 3rd tapered portion and the 4th tapered portion Spend cumulative towards the other end further away from the second incidence surface from one end of closer second incidence surface.

According to further embodiment of the present utility model, the length in the 3rd tapered portion of each the first list structure above-mentioned It is different from the length in the 4th tapered portion of each the second list structure.

According to further embodiment of the present utility model, the width of each the first list structure above-mentioned is different from each The width of the second list structure.

It is depression knot according to further embodiment of the present utility model, above-mentioned first list structure and the second list structure Structure.And, the degree of depth of each the first list structure is different from the degree of depth of each the second list structure.

According to further embodiment of the present utility model, above-mentioned first list structure and the second list structure for protruding knot Structure, and the height of each the first list structure is different from the height of each the second list structure.

According to further embodiment of the present utility model, each first list structure above-mentioned also has first body, And each second list structure also has the second body.The length of the first body of each the first list structure is different Length in the second body of each the second list structure.

According to further embodiment of the present utility model, the length in the first tapered portion of each the first list structure above-mentioned It is different from the length in the second tapered portion of each the second list structure.

According to further embodiment of the present utility model, above-mentioned first type surface is exiting surface or reflecting surface.

According to embodiment of the present utility model, each first area above-mentioned is right against each light emitting diode respectively, And each second area is between two adjacent first areas.

According to embodiment of the present utility model, the first list structure in each first area above-mentioned is luminous with each There is between diode fan-shaped white space.

According to another embodiment of the present utility model, each in the first list structure and the second list structure On bearing of trend, the distance between the first list structure and each light emitting diode in each first area and each The second list structure in second area and the distance between each light emitting diode are identical.

From the foregoing, the first type surface of light guide plate of the present utility model is provided with the first different list structures and Article 2 Shape structure, and the form of these first list structures and the second list structure and light source go out light intensity and light shape sets accordingly Meter, thus can make backlight module and display device goes out light evenly.

Additionally, in various embodiments, the position of the close incidence surface of the first type surface of light guide plate can arrange micro-further Structure, and these micro structures can be atomized the light of close light inlet of light guide plate effectively, and then whole backlight mould can be promoted Group and the luminance uniformity of display device.

Accompanying drawing explanation

In order to more completely understand embodiment and advantage thereof, referring now to and combine accompanying drawing and make description below, wherein:

Fig. 1 is the sectional perspective schematic diagram illustrating the light guide plate according to the first embodiment of the present utility model；

Fig. 2 A is the top view illustrating the backlight module according to the first embodiment of the present utility model；

Fig. 2 B is the side view illustrating the backlight module according to the first embodiment of the present utility model；

Fig. 3 A is the top view illustrating the backlight module according to the second embodiment of the present utility model；

Fig. 3 B is the side view illustrating the backlight module according to the second embodiment of the present utility model；

Fig. 4 A is the partial top view illustrating the backlight module according to the 3rd embodiment of the present utility model；

Fig. 4 B is the partial top view illustrating the backlight module according to the 4th embodiment of the present utility model；

Fig. 5 A is the top view illustrating the backlight module according to the 5th embodiment of the present utility model；

Fig. 5 B is the side view illustrating the backlight module according to the 5th embodiment of the present utility model；

Fig. 6 is the partial side view illustrating the light guide plate according to the 6th embodiment of the present utility model；

Fig. 7 A is the partial top view illustrating the light guide plate according to the 7th embodiment of the present utility model；

Fig. 7 B is the partial side view illustrating the light guide plate according to the 7th embodiment of the present utility model；

Fig. 8 A is the partial top view illustrating the light guide plate according to the 8th embodiment of the present utility model；

Fig. 8 B is the partial side view illustrating the light guide plate according to the 8th embodiment of the present utility model；And

Fig. 9 is the partial side view illustrating the display device according to embodiment of the present utility model.

Detailed description of the invention

Please also refer to Fig. 1, it is that the sectional perspective illustrating the light guide plate according to the first embodiment of the present utility model is shown It is intended to.The light guide plate 100 of present embodiment mainly comprises main body 110, multiple first list structure 120 and multiple second strip Structure 130.First list structure 120 and the second list structure 130 are arranged in main body 110, and are mainly used in making entrance master From the equalizing light rays of main body 110 injection after body 110.

Continuing referring to Fig. 1, main body 110 has at least one incidence surface 111 and first type surface 112, and first type surface 112 is even Access bright finish 111.In the present embodiment, first type surface 112 is exiting surface.In other embodiments, first type surface 112 can also be anti- Penetrate face.As it is shown in figure 1, first type surface 112 comprises multiple first area 112a and multiple second area 112b, and first area 112a Intermesh arrangement with second area 112b.In more detail, first area 112a and second area 112b along be parallel to into The axis L1 of bright finish 111 intermeshes arrangement.As it is shown in figure 1, the first list structure 120 is arranged in the 112a of first area, and Second list structure 130 is arranged in second area 112b.It should be noted that the dashed rectangle shown in Fig. 1 is only used for illustrating The first area of this utility model indication and the one in second area, this dashed rectangle itself is also not belonging to of the present utility model The structure of light guide plate 100.

Continue referring to Fig. 1, in the present embodiment, the first list structure 120 and extension side of the second list structure 130 To being perpendicular to incidence surface 111.And, the first list structure 120 has the first tapered portion 121 and first body 122, and One tapered portion 121 is connected to one end of the close incidence surface 111 of first body 122.Second list structure 130 has second gradually Contracting portion 131 and the second body 132, and the second tapered portion 131 is connected to the close incidence surface 111 of the second body 132 One end.As it is shown in figure 1, the width of each in the first tapered portion 121 and the second tapered portion 131 is near incidence surface 111 One end is cumulative towards the other end further away from incidence surface 111.In the present embodiment, the own form of the first list structure 120 (inherent type) is different from the form of the second list structure 130 own.It should be noted that in " this figure of this indication State " refer to length, the degree of depth, height or shape etc. that the first list structure 120 or the second list structure 130 are had itself.At Fig. 1 In shown embodiment, the first list structure 120 is identical with the length of the second list structure 130, but the first list structure 120 The length of the first tapered portion 121 and the first body 122 tapered portion 131 and second with the second of the second list structure 130 respectively The length of body 132 is different, and then makes the global shape of the first list structure 120 and the second list structure 130 the most Different.It should be noted that each in the first tapered portion 121 of present embodiment and the second tapered portion 131 and incidence surface 111 separately, but is not limited to this during actual application.In other embodiments, the first tapered portion 121 and the second tapered portion Each in 131 may be designed in and is connected to incidence surface 111.

It is to be shown respectively according to the first embodiment of the present utility model referring to Fig. 2 A and Fig. 2 B, Fig. 2 A and Fig. 2 B The top view of backlight module and side view.The backlight module 300 of present embodiment mainly comprise aforesaid light guide plate 100 and Light source 200.Light source 200 comprises circuit board 201 and the multiple light emitting diodes 202 being arranged on circuit board 201, wherein these Light emitting diode 202 electrically connects with circuit board 201.Light source 200 is arranged adjacent to the incidence surface 111 of light guide plate 100, and light source 200 Produced light can enter light guide plate 100 from the incidence surface 111 of light guide plate 100.The neighbouring of indication is not limited to figure herein Shown in 2A and Fig. 2 B, there is the least distance between light source 200 and the incidence surface 111 of light guide plate 100, it is also possible to refer to light source 200 directly against in the incidence surface 111 of light guide plate 100.

As shown in Figure 2 A and 2 B, in the present embodiment, each first area on the first type surface 112 of light guide plate 100 112a is positioned at the dead ahead of light emitting diode 202, and second area 112b is then between two adjacent first area 112a. The arrangement it is to say, first area 112a and second area 112b intermeshes.And, first area 112a and second area Depending on the 112b Main Basis light emitting diode 202 arrangement mode on circuit board 201.Due to just to light emitting diode 202 Brightness between two light emitting diodes 202 of the brightness ratio of position is strong, therefore, is arranged on the Article 1 in the 112a of first area The shape in the first tapered portion 121 of shape structure 120 is the most elongated, and the second list structure being arranged in second area 112b The shortest width of shape in the second tapered portion 131 of 130.And, the length of the second body 132 is more than first body 122 Length.Thus, the second list structure 130 light taken out of is more than the light taken out of by the first list structure 120, therefore can promote From the brightness of the light of second area 112b injection, and then make first area 112a more equal with the emitting brightness of second area 112b Even.

In this utility model, the first list structure and second list structure of light guide plate can have different designs.Please It is that the bowing of backlight module according to of the present utility model second embodiment is shown respectively with reference to Fig. 3 A and Fig. 3 B, Fig. 3 A and Fig. 3 B View and side view.The structure of the backlight module 310 of present embodiment is roughly the same with the structure of backlight module 300, poor The different light guide plate 400 being only that in backlight module 310 has different structure designs.

As shown in Fig. 3 A and Fig. 3 B, light guide plate 400 comprises main body 410, multiple first list structure 420 and multiple equally Second list structure 430.First list structure 420 and the second list structure 430 are arranged in main body 410.Wherein, main body 410 have at least one incidence surface 411 and first type surface 412, and first type surface 412 connects into bright finish 411.In the present embodiment, First type surface 412 is exiting surface.In other embodiments, first type surface 412 can also be reflecting surface.As shown in Fig. 3 A and Fig. 3 B, main Surface 412 comprises multiple first area 412a and multiple second area 412b, and first area 412a is mutual with second area 412b Staggered arrangement.In more detail, first area 412a and second area 412b is mutual along the axis L2 being parallel to incidence surface 411 Staggered arrangement.First list structure 420 is arranged in the 412a of first area, and the second list structure 430 is arranged on the secondth district In the 412b of territory.

Continue referring to Fig. 3 A and Fig. 3 B, in the present embodiment, the first list structure 420 and the second list structure 430 Extend perpendicularly to incidence surface 411.And, the first list structure 420 has the first tapered portion 421 and first body 422, and the first tapered portion 421 is connected to one end of close incidence surface 411 of first body 422.Second list structure 430 has Have the second tapered portion 431 and the second body 432, and the second tapered portion 431 be connected to the second body 432 near entering One end of bright finish 411.Wherein, the width of each in the first tapered portion 421 and the second tapered portion 431 is near incidence surface One end of 411 is cumulative towards the other end further away from incidence surface 411.In the embodiment shown in Fig. 3 A and Fig. 3 B, the first strip Structure 420 and the second list structure 430 are projective structure, and the first tapered portion 421 and first of the first list structure 420 The length of the length of body 422 portion 431 tapered with the second of the second list structure 430 and the second body 432 respectively is identical, but First list structure 420 all differs with the height and the width of the second list structure 430.Therefore, the first list structure 420 and The global shape of two list structures 430 also differs.

Continue referring to Fig. 3 A and Fig. 3 B, in the present embodiment, on the first type surface 412 of light guide plate 400 each first Region 412a is positioned at the dead ahead of light emitting diode 202, and second area 412b is then positioned at two adjacent first area 412a Between.Due to just brightness to the position between two light emitting diodes 202 of brightness ratio of the position of light emitting diode 202 By force.Therefore, the width of the first list structure 420 being arranged in the 412a of first area is with the least, and is arranged on the secondth district The width in the second tapered portion 131 of the second list structure 430 in the 412b of territory is with the biggest.Thus, by the second list structure 430 light taken out of are more than the light taken out of by the first list structure 420, therefore can promote the light from second area 412b injection Brightness, the emitting brightness of first area 412a and second area 412b can be made equally evenly.It should be noted that this enforcement First list structure 420 and second list structure 430 of mode are only used for demonstration explanation for projective structure, and are not used to limit this Utility model.In other embodiments, the first list structure 420 can also design according to demand with the second list structure 430 Be in depression structure, and has the different degree of depth, thus reaches purpose as hereinbefore, therefore repeats no more in this.

It should be noted that in the foregoing embodiments, the first strip of each in 112a and 412a of first area The shape of structure 120 and 420 is identical and is not used to limit this utility model.In other embodiments, each in first area The shape of individual first list structure can also be designed to different from each other according to light shape produced by corresponding light emitting diode. Refer to Fig. 4 A, it is the partial top view illustrating the backlight module according to the 3rd embodiment of the present utility model.This enforcement The structure of the backlight module 320 of mode is roughly the same with the structure of backlight module 300, and difference is only that backlight module 320 In light guide plate 100 ' there is the design of different structure.

As shown in Figure 4 A, in light guide plate 100 ', the shape of each the first list structure 120 ' in the 112a of first area Shape is different from each other.For example, if light is injected in light guide plate 100 ' in the way of dissipating produced by light emitting diode 202, Light the leaning on than first area 112a that then part of the middle position of the close incidence surface 111 of first area 112a is received The light that the part of the position, both sides of nearly incidence surface 111 is received is many.Therefore, the first of the first list structure 120 ' the tapered portion The length of 121 ' can design according to light shape produced by light emitting diode 202.In the present embodiment, it is positioned at first area The first tapered portion 121 ' in the centre position of 112a is longer than the first tapered portion 121 ' of two side positions being positioned at first area 112a, And it is positioned at the first body 122 ' in centre position of first area 112a than the of two side positions being positioned at first area 112a One body 122 ' is short.Thus, the light penetrated from the first list structure 120 ' of two side positions of first area 112a than from The light emitted by first list structure 120 ' in the centre position of first area 112a is many, so that whole first area 112a Emitting brightness is evenly.

It should be noted that in the foregoing embodiments, the first list structure of each in first area and luminous two Distance between the pipe of pole is identical with the distance between the second list structure of each in second area and light emitting diode.At it In his embodiment, the distance between the first list structure of each in first area and light emitting diode can also be according to luminescence Produced by diode, light shape designs.Separately refer to Fig. 4 B, it illustrates according to the 4th embodiment of the present utility model The partial top view of backlight module.The structure of the backlight module 330 of present embodiment is with the structure of backlight module 320 substantially Identical, difference is only that the light guide plate 100 in backlight module 330 " there is different structure designs.

As shown in Figure 4 B, at light guide plate 100 " in, each first list structure 120 in the 112a of first area " length Degree difference, and and incidence surface 111 between distance also differ.For example, if light produced by light emitting diode 202 with The mode dissipated injects light guide plate 100 " in, then the part institute of the middle position of the close incidence surface 111 of first area 112a The part of the position, both sides of the light the received close incidence surface 111 than first area 112a is many.Therefore, the first list structure 120 " length and and incidence surface 111 between distance can design according to light shape produced by light emitting diode 202.? In the present embodiment, be positioned at first list structure 120 in the centre position of first area 112a " and incidence surface 111 between distance First list structure 120 of two side positions than first area 112a " and incidence surface 111 between distance remote, this makes each The first list structure 120 in individual first area 112a " and each light emitting diode 202 between form fan-shaped white space 100a.Thus, from the first list structure 120 of two side positions of first area 112a " the light ratio that penetrates is from first area First list structure 120 in the centre position of 112a " emitted by light many, so that the emitting brightness of whole first area 112a Evenly.

It should be noted that the light guide plate of previous embodiment has an incidence surface is only used for demonstration explanation, and it is not used to Limit this utility model.In other embodiments, light guide plate can also be designed with two incidence surfaces on demand.Refer to Fig. 5 A and Fig. 5 B, Fig. 5 A and Fig. 5 B are top view and the sides illustrating the backlight module according to the 5th embodiment of the present utility model View.In the present embodiment, backlight module 500 comprises the first light source 610, secondary light source 620 and light guide plate 700.Guide-lighting Plate 700 mainly comprises main body 710, multiple first list structure 720 and multiple second list structure 730.First list structure 720 and second list structure 730 be arranged in main body 710, be equally used for making after entrance main body 710 from the light of main body 710 injection Line homogenization.

Continuing referring to Fig. 5 A and Fig. 5 B, main body 710 has first incidence surface the 711, second incidence surface 712 and first type surface 713.In the present embodiment, the first incidence surface 711 and the second incidence surface 712 are connected to the opposite sides of first type surface 713.In this reality Executing in example, first type surface 713 is exiting surface.In other embodiments, first type surface 713 can also be reflecting surface.Such as Fig. 5 A and Fig. 5 B Shown in, first type surface 713 comprises multiple first area 713a and multiple second area 713b, and first area 713a and second area 713b intermeshes arrangement.In more detail, first area 712a and second area 712b is along the axle being parallel to incidence surface 711 Line L3 intermeshes arrangement.As shown in Fig. 5 A and Fig. 5 B, the first list structure 720 is arranged in the 713a of first area, and second List structure 730 is arranged in second area 713b.

Continue referring to Fig. 5 A and Fig. 5 B, in the present embodiment, the first list structure 720 and the second list structure 730 Extend perpendicularly to the first incidence surface 711 and the second incidence surface 712.In the present embodiment, the first list structure 720 has One tapered portion 721, first body 722 and the 3rd tapered portion 723, and the first tapered portion 721 is connected to first body 722 Near one end of the first incidence surface 711, the 3rd tapered portion 723 be then connected to first body 722 near the second incidence surface One end of 712.Second list structure 730 has the second tapered portion the 731, second body 732 and the 4th tapered portion 733, and Second tapered portion 731 is connected to one end near the first incidence surface 711 of the second body 732, and the 4th tapered portion 733 is connected to One end near the second incidence surface 712 of second body 732.As shown in Fig. 5 A and Fig. 5 B, the first tapered portion 721 and second is gradually The width of each in contracting portion 731 is another towards further away from the first incidence surface 711 from the one end near the first incidence surface 711 One end is cumulative.Similarly, the width of each in the 3rd tapered portion 723 and the 4th tapered portion 733 is near the second incidence surface One end of 712 is cumulative towards the other end further away from the second incidence surface 712.In the present embodiment, the basis of the first list structure 720 Figure state is different from the form of the second list structure 730 own.

Referring once again to Fig. 5 A and Fig. 5 B, the first light source 610 comprises circuit board 611 and is arranged on circuit board 611 Multiple light emitting diodes 612, wherein these light emitting diodes 612 electrically connect with circuit board 611.First light source 610 is neighbouring guide-lighting First incidence surface 711 of plate 700 is arranged, and light produced by the first light source 610 can be from the first incidence surface of light guide plate 700 711 enter in light guide plate 700.Secondary light source 620 comprises circuit board 621 and be arranged on circuit board 621 multiple luminous two Pole pipe 622, wherein these light emitting diodes 622 electrically connect with circuit board 621.Secondary light source 620 is adjacent to the second of light guide plate 700 Incidence surface 712 is arranged, and light produced by secondary light source 620 can enter light guide plate from the second incidence surface 712 of light guide plate 700 In 700.Indication herein neighbouring is not limited to shown in Fig. 5 A and Fig. 5 B, the first light source 610 and enters light with the first of light guide plate 700 The least distance is there is, it is also possible to refer between face 711 and between secondary light source 620 and the second incidence surface 712 of light guide plate 700 First light source 610 directly against in the first incidence surface 711 of light guide plate 700 and secondary light source 620 directly against in light guide plate Second incidence surface 712 of 700.

In the present embodiment, each first area 713a on the first type surface 713 of light guide plate 700 is positioned at light emitting diode The dead ahead of 612 and 622, second area 713b is then between two adjacent first area 713a.Therefore, it is arranged on First tapered portion 721 of the first list structure 720 in one region 713a and the shape in the 3rd tapered portion 723 are the most elongated, and Second tapered portion 731 of the second list structure 730 being arranged in second area 713b and the 4th tapered portion 733 shape are the shortest Wide.And, the length of the second body 732 is more than the length of first body 722.Therefore, the second list structure 730 take out of Light more than by the light of the first list structure 720, therefore the brightness of light from second area 713b injection can be promoted, and then Make the emitting brightness of first area 713a and second area 713b evenly.

It should be noted that in other embodiments, the first list structure 720 and the length of the second list structure 730, height Degree, the degree of depth or all can adjust according to different demands, to reach from the distance between the first incidence surface 711 and the second incidence surface 712 To aforesaid purpose.Additionally, first list structure 720 or second list structure with tapered portion, two ends of present embodiment 730 are not limited to apply in light guide plate with light incident bilateral sides, it is also possible to be applied in the light guide plate of single-sided illumination.

Light guide plate of the present utility model is not limited to flat design.In other embodiments, light guide plate can also be wedge Shape light guide plate.Refer to Fig. 6, it is the partial side view illustrating the light guide plate according to the 6th embodiment of the present utility model. As shown in Figure 6, light guide plate 800 comprises main body 810, multiple first list structures 820 and multiple second list structures 830.At this In embodiment, main body 810 comprises flat part 810a and connects the tapered portion 810b of flat part 810a.Main body 810 has into light Face 811 and first type surface 813, wherein incidence surface 811 is positioned at the side of tapered portion 810b, and first type surface 813 is positioned at flat part 810a On.In the present embodiment, the first list structure 820 and the second list structure 830 are arranged in the master meter on flat part 810a On face 813.In other embodiments, the first list structure 820 can also set according to demand with the second list structure 830 simultaneously Put the position at tapered portion 810b Yu flat part 810a.It should be noted that the first list structure 820 of present embodiment with First list structure 120,420,120 ', 120 of the design of the second list structure 830 and previous embodiment " and 720 and the Two list structures 130,430 and 730 are identical, therefore repeat no more in this.

Separately refer to Fig. 7 A and Fig. 7 B, Fig. 7 A and Fig. 7 B be shown respectively according to the 7th embodiment of the present utility model The partial top view of light guide plate and partial side view.The light guide plate 900 of present embodiment comprises main body 910, multiple Article 1 Shape structure 920 and multiple second list structures 930.Main body 910 comprises incidence surface 911 and connects into the first type surface of bright finish 911 913.First list structure 920 and the second list structure 930 are arranged on first type surface 913.In the present embodiment, light guide plate 900 Also comprise multiple micro structures 940 of the position of the close incidence surface 911 being arranged on first type surface 913.Micro structure 940 is the most permissible Strengthen the atomization of the light of the close light inlet of light guide plate 900, thus promote the equal of the light of the close light inlet of light guide plate 900 Evenness, goes out light quality with promote light guide plate 900 entirety.Preferably, micro structure 940 not in direct contact the first list structure 920 and second list structure 930, and between micro structure 940 and the first list structure 920 and the second list structure 930, there is sky White portion 913a.Thus, by micro structure 940 region and fail the light derived by micro structure 940, can produce at gutter 913a After total reflection, transmit towards the direction away from incidence surface 911 of light guide plate 900.These through the light of total reflection through the After the adjustment of one list structure 920 and the second list structure 930, emitting brightness can be made evenly.In certain embodiments, micro-knot Structure 940 can be strip projective structure or strip sunk structure.It should be noted that the first list structure of present embodiment 920 and second first list structure 120,420,120 ', 120 of design and previous embodiment of list structure 930 " and 720 is identical with the design of the second list structure 130,430 and 730, therefore repeats no more in this.

Separately refer to Fig. 8 A and Fig. 8 B, Fig. 8 A and Fig. 8 B be shown respectively according to the 8th embodiment of the present utility model The partial top view of light guide plate and partial side view.The structure of the light guide plate 900 ' of present embodiment is led with previous embodiment The structure of tabula rasa 900 is roughly the same, and difference is only that the main body 910 ' of light guide plate 900 ' has tapered portion 910a, and micro structure 940 are arranged on first type surface 913 and are connected to tapered portion 910a, thus reach to strengthen the light of the close light inlet of light guide plate 900 ' The atomization of line, thus the uniformity of the light of the close light inlet of light guide plate 900 ' can be promoted.Preferably, micro structure 940 is not Directly contact the first list structure 920 and the second list structure 930, and micro structure 940 and the first list structure 920 and Article 2 There is between shape structure 930 first gutter 913b.Similarly, micro structure 940 not in direct contact incidence surface 911, and micro-knot There is between structure 940 and incidence surface 911 second gutter 910b.Thus, the light entered from incidence surface 911 can be blank second After portion 910b produces total reflection, transmit towards the direction of micro structure 940.And pass through micro structure 940 region and fail by micro structure 940 light derived, can be after the first gutter 913b produces total reflection, towards the side away from incidence surface 911 of light guide plate 900 To transmission.These through total reflection light in the adjustment by the first list structure 920 and the second list structure 930 after, can Make emitting brightness evenly.

Separately refer to Fig. 9, it is the partial side view illustrating the display device according to embodiment of the present utility model.This The display device 1000 of embodiment comprises backlight module 300 as shown in Figure 2 B and display floater 1100.As it is shown in figure 9, Display floater 1100 is arranged on the front of the light guide plate 100 of backlight module 300, can reach purpose as hereinbefore, therefore at this Repeat no more.It should be noted that the backlight module 300 shown in Fig. 2 B is only applied in display device 1000 use by the present embodiment Present a demonstration explanation, and is not used to limit this utility model.The backlight module of other embodiments aforementioned (such as backlight module 310, 330 and 500) or light guide plate (such as 800,900 and 900 ') all may be used in display device, to produce same effect.

From above-mentioned embodiment of the present utility model, the first type surface of light guide plate of the present utility model is provided with different First list structure and the second list structure, and these first list structures and the second strip configuration and light source go out light intensity Degree and light shape design accordingly, and thus can make backlight module and display device goes out light evenly.

Additionally, in various embodiments, the position of the close incidence surface of the first type surface of light guide plate can arrange micro-further Structure, and these micro structures can be atomized the light of close light inlet of light guide plate effectively, and then whole backlight module can be promoted And the luminance uniformity of display device.

Although this utility model carries out disclosed above by embodiment, but it is not limited to this practicality newly Type, any person of ordinary skill in the field, without departing from spirit and scope of the present utility model, it should may be made that one A little changes and retouching, therefore protection domain of the present utility model should be defined in the range of standard with appended claims.

[reference]

100 light guide plates

100a sector white space

100 ' light guide plates

100 " light guide plate

110 main bodys

111 incidence surfaces

112 first type surfaces

112a first area

112b second area

120 first list structures

120 ' first list structures

120 " the first list structure

121 first tapered portions

121 ' first tapered portions

122 first bodies

122 ' first bodies

130 second list structures

131 second tapered portions

132 second bodies

200 light sources

201 circuit boards

202 light emitting diodes

300 backlight modules

310 backlight modules

320 backlight modules

330 backlight modules

400 light guide plates

410 main bodys

411 incidence surfaces

412 first type surfaces

412a first area

412b second area

420 first list structures

421 first tapered portions

422 first bodies

430 second list structures

431 second tapered portions

432 second bodies

500 backlight modules

610 first light sources

611 circuit boards

612 light emitting diodes

620 secondary light sources

621 circuit boards

622 light emitting diodes

700 light guide plates

710 main bodys

711 first incidence surfaces

712 second incidence surfaces

713 first type surfaces

713a first area

713b second area

720 first list structures

721 first tapered portions

722 first bodies

723 the 3rd tapered portions

730 second list structures

731 second tapered portions

732 second bodies

733 the 4th tapered portions

800 light guide plates

811 incidence surfaces

813 first type surfaces

810 main bodys

810a flat part

The tapered portion of 810b

820 first list structures

830 second list structures

900 light guide plates

900 ' light guide plates

910 main bodys

910 ' main bodys

The tapered portion of 910a

910b the second gutter

911 incidence surfaces

913 first type surfaces

913a gutter

913b the first gutter

920 first list structures

930 second list structures

940 micro structures

1000 display devices

1100 display floaters

L1 axis

L2 axis

L3 axis

Claims (14)

1. a display device, it comprises backlight module and display floater, and described backlight module comprises light guide plate and at least Individual light source, described display floater is arranged on the front of described light guide plate, and wherein, described light guide plate has:

Main body, it has at least one incidence surface and the first type surface being connected with at least one incidence surface described；

Multiple first list structures, in its arrangement multiple first areas on said principal surface, plurality of described Article 1 The each of shape structure has the first tapered portion；And

Multiple second list structures, in its arrangement multiple second areas on said principal surface, wherein said multiple Article 2 The each of shape structure has the second tapered portion, and the plurality of first area intermeshes with the plurality of second area, and The form of the plurality of second list structure own is different from the form of the plurality of first list structure own；

At least one light source described is arranged adjacent at least one incidence surface described in described light guide plate, and wherein said light source comprises electricity Road plate and the multiple light emitting diodes being arranged on described circuit board.

2. display device as claimed in claim 1, wherein

Extending perpendicularly to of each in the plurality of first list structure and the plurality of second list structure is described Incidence surface；And

The width of each in the plurality of first tapered portion and the plurality of second tapered portion is from closer described incidence surface One end cumulative towards the other end further away from described incidence surface.

3. display device as claimed in claim 1, wherein

At least one incidence surface described comprises the first incidence surface and second incidence surface contrary with described first incidence surface, and

The each of the plurality of first list structure also comprises the threeth tapered portion contrary with described first tapered portion；And

The each of the plurality of second list structure also comprises the fourth tapered portion contrary with described second tapered portion.

4. display device as claimed in claim 3, in wherein said multiple 3rd tapered portions and the plurality of 4th tapered portion Each width from one end of closer described second incidence surface towards the other end further away from described second incidence surface gradually Increase.

5. display device as claimed in claim 3, the described 3rd of each of wherein said multiple first list structures is gradually The length in contracting portion is different from the length in the described 4th tapered portion of each of the plurality of second list structure.

6. the display device as according to any one of claim 1 to 5, each of wherein said multiple first list structures Width is different from the width of each of the plurality of second list structure.

7. the display device as according to any one of claim 1 to 5, wherein said multiple first list structures are with the plurality of Second list structure is sunk structure, and the degree of depth of each of the plurality of first list structure is different from the plurality of second The degree of depth of each of list structure.

8. the display device as according to any one of claim 1 to 5, wherein said multiple first list structures are with the plurality of Second list structure is projective structure, and the height of each of the plurality of first list structure is different from the plurality of second The height of each of list structure.

9. the display device as according to any one of claim 1 to 5, each of wherein said multiple first list structures is also Having first body, each of the plurality of second list structure also has the second body, the plurality of first strip The length of the described first body of each of structure is different from described the of each of the plurality of second list structure The length of two bodies.

10. the display device as according to any one of claim 1 to 5, each of wherein said multiple first list structures The length in described first tapered portion be different from the length in described second tapered portion of each of the plurality of second list structure Degree.

11. display devices as according to any one of claim 1 to 5, at least one first type surface wherein said be exiting surface or Reflecting surface.

12. display devices as claimed in claim 1, wherein

The each of the plurality of first area is right against each of the plurality of light emitting diode, and the plurality of respectively The each in two regions is between two adjacent described first areas.

13. display devices as claimed in claim 1, wherein

The plurality of first list structure in each of the plurality of first area is every with the plurality of light emitting diode There is between one fan-shaped white space.

14. display devices as claimed in claim 1, wherein

On the bearing of trend of each in the plurality of first list structure with the plurality of second list structure, described many Between each and each of the plurality of light emitting diode of the plurality of first list structure in individual first area The each of distance and the plurality of second list structure in the plurality of second area and the plurality of light emitting diode Distance between each is identical.