CN205246927U - Display device - Google Patents

Abstract

The utility model discloses a display device. This light guide plate that display device used includes the little structural domain of main part, a plurality of first little structural domain and a plurality of second. The main part is including going into plain noodles and optical surface. Go into the plain noodles and connect the optical surface, and the optical surface is including first region. First little structural domain and the little structural domain of second set up on the first region of optical surface. The little structural domain of second and first little structural domain be staggered arrangement side by side, and first little structural domain is different from the little structural domain of second.

Description

Display device

Technical field

The utility model relates to a kind of leaded light component and application thereof, particularly relates to a kind of LGP and LGP backlightThe application of module and display device.

Background technology

Known backlight module mainly comprises lamp bar and LGP. Lamp bar comprises circuit board and light emitting diode settingOn the surface of circuit board. Wherein. LGP is arranged on by light emitting diode, and the incidence surface of LGP laminating light emitting diodeExiting surface, can effectively utilize by this light of light emitting diode.

But, due to the exiting surface of the incidence surface laminating light emitting diode of LGP, thus at LGP near light-emitting diodesEasily there is the problem of bright band or brightness disproportionation in the part of pipe, and has a strong impact on the optical appearance of LGP.

Utility model content

Therefore, an object of the present utility model is to provide a kind of LGP, backlight module and display device, and it can improveLGP is near the problem of the brightness disproportionation of the part of incidence surface, and can promote Integral back optical module bright dipping outward appearance evenlyProperty.

According to the utility model above-mentioned purpose, a kind of LGP is proposed, comprise main body, a plurality of the first microstructured area andA plurality of the second microstructured area. Main body comprises incidence surface and optical surface, and wherein, incidence surface connects optical surface, and optical surface comprisesFirst area. The first microstructured area is arranged on the first area of optical surface. The second microstructured area is arranged on first of optical surfaceOn region. Wherein, the second microstructured area and the first microstructured area are staggered side by side, and the first microstructured area is different from second micro-Structural area.

According to embodiment of the utility model, above-mentioned each first microstructured area has a plurality of axial along firstFirst micro-structural of extending. Each second microstructured area has a plurality of along first axially extended the second micro-structural. AndAnd the second microstructured area and the first microstructured area are axially staggered side by side along being different from first axial second.

According to another embodiment of the utility model, above-mentioned optical surface also comprises blank portion, and blank portion is positioned at incidence surface andBetween one region.

According to the another embodiment of the utility model, above-mentioned blank portion and first area are along the first axially-aligned. Second is micro-Structural area and the first microstructured area are axially staggered side by side along being different from first axial second.

According to the utility model embodiment again, above-mentioned each first microstructured area has a plurality of axial along firstFirst micro-structural of extending. Each second microstructured area has a plurality of along first axially extended the second micro-structural.

According to the utility model embodiment again, the length of above-mentioned each the first micro-structural is different from that each is second micro-The length of structure.

According to the utility model embodiment again, in the time that the first micro-structural and the second micro-structural are sunk structure, eachThe degree of depth of the first micro-structural is different from the degree of depth of each the second micro-structural.

According to the utility model embodiment again, in the time that the first micro-structural and the second micro-structural are projective structure, eachThe height of the first micro-structural is different from the height of each the second micro-structural.

According to the utility model embodiment again, wherein, between two the first adjacent micro-structurals, there is the first distance, twoBetween individual the second adjacent micro-structural, there is second distance. Wherein, the first distance is different from second distance.

According to the utility model embodiment again, above-mentioned LGP also comprises a plurality of the 3rd micro-structurals. These are the 3rd micro-Structure is arranged on the incidence surface of main body.

According to the utility model embodiment again, above-mentioned LGP has inclined-plane, and inclined-plane connects incidence surface and first area,And blank portion is positioned on inclined-plane.

According to the utility model embodiment again, above-mentioned blank portion and first area are positioned at same level.

According to the utility model above-mentioned purpose, a kind of backlight module is separately proposed. This backlight module comprise aforementioned LGP withAnd light source. Wherein, light source is adjacent to the incidence surface of leaded light version. Light source comprises circuit board and a plurality of light emitting diode. LuminousDiode is arranged on circuit board.

According to the utility model above-mentioned purpose, another kind of backlight module is proposed. This backlight module comprises light source and leaded lightPlate. Wherein, light source comprises circuit board and a plurality of light emitting diode. Light emitting diode is arranged on circuit board. LGP bagDraw together main body, a plurality of the first microstructured area and a plurality of the second microstructured area. Main body comprises incidence surface and optical surface. Incidence surfaceConnect optical surface. The first microstructured area and the second microstructured area are arranged on optical surface. Wherein, each the first microstructured area hasAway from first profile at this incidence surface place, each the second microstructured area has the second profile away from this incidence surface place, and secondThe rule that is staggered side by side of microstructured area and the first microstructured area is according between the first profile and the second profile and incidence surfaceDistance and determine.

According to embodiment of the utility model, when the second microstructured area and the first microstructured area are arranged near incidence surfaceThe first datum line time, be staggered side by side with the first rule. When the second microstructured area and the first microstructured area be arranged on away fromWhen the second datum line of incidence surface, be staggered side by side with Second Rule. Wherein, being staggered side by side and second of the first ruleBeing staggered side by side just for contrary of rule.

According to another embodiment of the utility model, above-mentioned each light emitting diode forms luminous zone on LGP, andCan on the first datum line on this LGP, produce a plurality of clear zones and a plurality of dark space. Aforementioned the second microstructured area is arranged onDark space, the first microstructured area is arranged on clear zone.

According to the another embodiment of the utility model, above-mentioned each light emitting diode forms luminous zone on LGP. TwoThe luminous zone of individual adjacent light emitting diode partly overlaps, and can produce at the second datum line a plurality of clear zones and a plurality of darkDistrict. The second microstructured area is arranged on dark space, and the first microstructured area is arranged on clear zone.

According to the utility model embodiment again, above-mentioned each first microstructured area has a plurality of the first micro-structurals,And each second microstructured area has a plurality of the second micro-structurals. Wherein, the feature of each the second micro-structural is compared to oftenThe feature of first micro-structural is more remarkable, or the arranging density of each the second micro-structural is compared to each first micro-knotThe arranging density of structure is more intensive.

According to the utility model embodiment again, above-mentioned LGP also comprises a plurality of the 3rd micro-structurals, is arranged on main bodyIncidence surface.

According to the utility model above-mentioned purpose, a kind of display device is separately proposed. This display device comprises aforementioned backlight moduleAnd display floater. Display floater is positioned at the front of the LGP of backlight module.

From the above, the utility model utilization is provided with different first micro-on the optical surface of the contiguous incidence surface of LGPStructural area and the second microstructured area, and micro-structural in these microstructured area effectively atomization LGP near the leakage of light inletLight, and can significantly improve the phenomenon near the bright dark inequality of light inlet, and then can promote the bright of Integral back optical module and display deviceThe degree uniformity.

Brief description of the drawings

For more complete understanding embodiment and advantage thereof, referring now to the following description done by reference to the accompanying drawings, wherein:

Figure 1A describes according to the device schematic diagram of a kind of backlight module of the utility model the first embodiment;

Figure 1B describes according to the top view of a kind of backlight module of the utility model the first embodiment;

Fig. 1 C describes according to the top view of the another kind of backlight module of the utility model the first embodiment;

Fig. 2 A describes according to the partial cutaway diagram of the first LGP of the utility model the first embodiment;

Fig. 2 B describes according to the partial cutaway diagram of the second LGP of the utility model the first embodiment;

Fig. 2 C describes according to the partial cutaway diagram of the third LGP of the utility model the first embodiment;

Fig. 3 A describes according to the device schematic diagram of a kind of backlight module of the utility model the second embodiment;

Fig. 3 B describes according to the top view of a kind of backlight module of the utility model the second embodiment;

Fig. 3 C describes according to the top view of the another kind of backlight module of the utility model the second embodiment;

Fig. 4 A describes according to the device schematic diagram of a kind of backlight module of the utility model the 3rd embodiment;

Fig. 4 B describes according to the device schematic diagram of a kind of display device of the utility model embodiment;

Fig. 5 describes according to the device schematic diagram of a kind of backlight module of the utility model the 4th embodiment;

Fig. 6 A describes according to the device schematic diagram of a kind of backlight module of the utility model the 5th embodiment; And

Fig. 6 B describes according to the device schematic diagram of a kind of display device of another embodiment of the utility model.

Detailed description of the invention

With reference to Figure 1A and Figure 1B, it is respectively to describe according to the one mould backlight of the utility model the first embodiment simultaneouslyDevice schematic diagram and the top view of piece. The backlight module 100 of present embodiment mainly comprises light source 120 and LGP 140. LeadTabula rasa 140 mainly comprises main body 142, a plurality of the first microstructured area 144 and a plurality of the second microstructured area 146. First is micro-Structural area 144 and the second microstructured area 146 are arranged in main body 142, and by the first microstructured area 144 and the second microstructured area146, effectively atomization LGP 140 is near the light leak of light inlet, and can significantly improve the phenomenon near the bright dark inequality of light inlet,And then can promote the luminance uniformity of Integral back optical module 100.

Continue with reference to Figure 1A and Figure 1B, main body 142 comprises incidence surface 142a and optical surface 142b, and incidence surface 142a connectsOptical surface 142b. In the present embodiment, optical surface 142b is the exiting surface of LGP 140, in other embodiments, and optical surface142b is the reflecting surface of LGP 140, is positioned at the opposed surface of exiting surface. Wherein, optical surface 142b comprises first area 142cAnd second area 142d. In the present embodiment, first area 142c is near incidence surface 142a, and second area 142d is compared with first area142c is away from incidence surface 142a. In the technical field of backlight module, first area 142c typically refers to dead space (NonDisplayArea), the light-emitting area in this region can be covered by the enclosing cover of backlight module, and second area 142d typically refers toEffectively district (ActiveArea), the light-emitting area in this region can not covered by the enclosing cover of backlight module, can be seen by userSee. The first microstructured area 144 and the second microstructured area 146 are all arranged in the 142c of first area. In one embodiment, main body142 have the first axial A1 and the second axial A2, and the first axial A1 is different from the second axial A2. First area 142c andTwo region 142d arrange along the first axial A1. As shown in Figure 1A and Figure 1B, the first microstructured area 144 and the second microstructured area146 are crisscross arranged in the 142c of first area side by side along the second axial A2. And the first microstructured area 144 is different from secondMicrostructured area 146. In some specific examples, the first axial A1 can be perpendicular to incidence surface 142a, and the second axial A2 can be parallel toIncidence surface 142a, thereby the first axial A1 and the second axial A2 can be orthogonal. In addition, second area 142d can be nothingThe minute surface of micro-structural, or be laid with point-like micro-structural, or be laid with strip micro-structural, this determines according to the actual requirements.

The first microstructured area 144 has several the first micro-structural 144a, and the second microstructured area 146 has several second micro-knotsStructure 146a. In the present embodiment, each first micro-structural 144a and the second micro-structural 146a are list structure, and first micro-knotStructure 144a and the second micro-structural 146a extend along the first axial A1 from incidence surface 142a. In the present embodiment, the first micro-structuralThe length L 1 of 144a is different from the length L 2 of the second micro-structural 146a. In an example, the length L 1 of the first micro-structural 144aDesign according to the light intensity distributions of light source 120 with the length L 2 of the second micro-structural 146a. For example, as Figure 1A and Figure 1B instituteShow, light source 120 comprises circuit board 122 and a plurality of light emitting diode 124 being arranged on circuit board 122, and each luminousThe segment distance of being separated by between diode 124. Hence one can see that, just to the brightness of light emitting diode 124 positions compared to luminous twoThe staggered position of utmost point pipe 124 is come by force. Therefore, when the first micro-structural 144a is arranged on the just position to light emitting diode 124, andWhen the second micro-structural 146a is arranged on the position staggered with light emitting diode 124, the feature of the second micro-structural 146a is compared toThe feature of one micro-structural 144a is more remarkable. For example, as shown in Figure 1A and Figure 1B, the length L 1 of the first micro-structural 144a is establishedCount into the length L 2 that is less than the second micro-structural 146a.

As shown in Figure 1A, each first microstructured area 144 has the first profile 151 away from incidence surface 142a place, everySecond microstructured area 146 has the second profile 153 away from incidence surface 142a place. Wherein, the second microstructured area 146 andOne microstructured area 144 is staggered side by side, and the rule that are staggered side by side of the second microstructured area 146 and the first microstructured area 144According to the first profile 151 and the second profile 153, the distance respectively and between incidence surface 142a is determined. In detail, when firstWhen the length of the length L 1 of micro-structural 144a and the length L 2 of the second micro-structural 146a is different, the first microstructured area 144 and secondThe first profile 151 and the second profile 153 that microstructured area 146 forms away from that end of incidence surface 142a also can be different.That is to say, in the time that the micro-structural length characteristic of the first microstructured area 144 and the second microstructured area 146 is different, the first profile 151With the shape of the second profile 153 also can be different. Or the shape of the first profile 151 and the second profile 153 also can be according to lightThe light shape that source 120 produces and designing, decides the staggered side by side of the first microstructured area 144 and the second microstructured area 146 by thisQueueing discipline. More clearly say, in the embodiment shown in Figure 1B, light emitting diode 124, the aligns in the first microstructured area 144Two microstructured area 146 misplace with light emitting diode 124, but this is staggered side by side, rule is just contrary at Fig. 3 C. In Fig. 3 C instituteThe first microstructured area 244 that shows embodiment misplaces with light emitting diode 224, and light emitting diode aligns in the second microstructured area 246224, about the related description of Fig. 3 C will be in rear statement.

In other embodiments, the length L 1 of the first micro-structural 144a and the length L 2 of the second micro-structural 146a also can designBecome identical, and distinguish the first micro-structural by height or the change in depth of the first micro-structural 144a and the second micro-structural 146aThe feature of 144a and the second micro-structural 146a. For example, shown in Fig. 1 C, it is to describe according to the utility model first in factExecute the top view of the another kind of backlight module of mode. In the backlight module 100 ' shown in Fig. 1 C, the length of the first micro-structural 144aDegree is identical with the length of the second micro-structural 146a, but the arranging density of the second micro-structural 146a is compared with the row of the first micro-structural 144aRow density is intensive.

In other embodiments, the first micro-structural 144a also can have other different changes from the feature of the second micro-structural 146aChange. Shown in Fig. 2 A, Fig. 2 A describes to show according to the partial cutaway of the first LGP of the utility model the first embodimentFigure. As shown in Figure 2 A, the first micro-structural 144a and the second micro-structural 146a are sunk structure, and have respectively depth D 1 and the degree of depthD2. In one embodiment, depth D 1 is different from depth D 2. In the present embodiment, the depth D 1 of the first micro-structural 144a is less thanThe depth D 2 of the second micro-structural 146a. In addition the length L 1 of the first micro-structural 144a of the present embodiment and the second micro-structural 146a,Length L 2 can be designed to identical or not identical.

Separately, with reference to shown in Fig. 2 B, Fig. 2 B is the office of describing according to the second LGP of the utility model the first embodimentPortion's cut-away view. As shown in Figure 2 B, the first micro-structural 144a and the second micro-structural 146a are projective structure, and have respectively height H 1And height H 2. In one embodiment, height H 1 is different from height H 2. In the present embodiment, the height of the first micro-structural 144aH1 is less than the height H 2 of the second micro-structural 146a. In addition the length L 1 of the first micro-structural 144a of the present embodiment and second micro-knot,The length L 2 of structure 146a can be designed to identical or not identical.

In certain embodiments, the arranging density of the first micro-structural 144a and the second micro-structural 146a also can relative luminous twoThe setting position of utmost point pipe 124 is done to change. Shown in Fig. 2 C, Fig. 2 C describes according to the of the utility model the first embodimentThe partial cutaway diagram of three kinds of LGPs. As shown in Figure 2 C, between two the first adjacent micro-structural 144a, there is the first distance W 1,Between two the second adjacent micro-structurals, 146a has second distance W2, and the first distance W 1 is different from second distance W2. At thisIn embodiment, second distance W2 is less than the first distance W 1. That is to say, the arranging density of the second micro-structural 146a is compared with first micro-knotThe arranging density of structure 144a is intensive. In addition the length L 1 of the first micro-structural 144a of the present embodiment and the second micro-structural 146a,Length L 2 can be designed to identical or not identical. Similarly, the height H 1 of the first micro-structural 144a (or depth D 1) and second micro-knotThe height H 2 (or depth D 2) of structure 146a also can be designed to identical or not identical according to demand.

More clearly say, in Figure 1A and Figure 1B illustrated embodiment, first microstructured area 144 and second of LGP 140Microstructured area 146 connects incidence surface 142a, not in order to limit the utility model. In other embodiments, the first microstructured areaAlso can not be connected with incidence surface with the second microstructured area. That is to say incidence surface and the first microstructured area and the second microstructured areaBetween the segment distance of being separated by.

With reference to Fig. 3 A and Fig. 3 B, it is the one mould backlight of describing respectively according to the utility model the second embodiment simultaneouslyDevice schematic diagram and the top view of piece. The backlight module 200 of present embodiment mainly comprises light source 220 and LGP 240.LGP 240 mainly comprises main body 242, a plurality of the first microstructured area 244 and a plurality of the second microstructured area 246. FirstMicrostructured area 244 and the second microstructured area 246 are arranged in main body 242, and by the first microstructured area 244 and the second micro-structuralDistrict 246, effectively atomization LGP 240 is near the light leak of light inlet, and can significantly improve showing near the bright dark inequality of light inletResemble, and then can promote the luminance uniformity of Integral back optical module 200.

Continue with reference to Fig. 3 A and Fig. 3 B, main body 242 comprises incidence surface 242a and optical surface 242b, and incidence surface 242a connectsOptical surface 242b. Wherein, optical surface 242b includes the blank 242c of portion, first area 242d and second area 242e. In addition, mainBody 242 has the first axial A3 and the second axial A4, and the first axial A3 is different from the second axial A4. In some specific examplesIn, the first vertically incidence surface 242a of axial A3, the second axial A4 can parallel incidence surface 242a, thereby the first axial A3 and secondAxially A4 can be orthogonal.

As shown in Fig. 3 A and Fig. 3 B, in the present embodiment, the blank 242c of portion, first area 242d and second area 242e comply withOrder is arranged along the first axial A3. And the blank 242c of portion connects incidence surface 242a, second area 242d is away from incidence surface242a, and first area 242d is between the blank 242c of portion and second area 242d, in the technical field of backlight module, andOne region 242d and the blank 242c of portion typically refer to dead space (NonDisplayArea), and the light-emitting area in this region can be carried on the backThe enclosing cover of optical module covers, and second area 242d typically refers to effective district (ActiveArea), the light-emitting area in this regionCan do not covered by the enclosing cover of backlight module, can directly be seen by user. As shown in Fig. 3 A and Fig. 3 B, the first microstructured area244 and second microstructured area 246 be all arranged in the 242d of first area, and the first microstructured area 244 and the second microstructured area 246Be crisscross arranged side by side along the second axial A4. Similarly, first microstructured area 244 of the present embodiment is different from the second microstructured area246. In addition, second area 242e can be the minute surface without micro-structural, or is laid with point-like micro-structural, or is laid withStrip micro-structural, this determines according to the actual requirements.

Referring again to Fig. 3 A and Fig. 3 B, light source 220 comprises circuit board 222 and a plurality of being arranged on circuit board 222Light emitting diode 224. In the present embodiment, the queueing discipline of the first microstructured area 244 and the second microstructured area 246 is according to luminousThe light direction of diode 224 and designing. For example, shown in Fig. 3 A and Fig. 3 B, the light that each light emitting diode 224 sendsInject in LGP 240 with diffusion mode, and on LGP 240, form luminous zone 224a, and can be on LGP 242Upper a plurality of clear zones 232 and a plurality of dark spaces 234 of producing of one datum line B1. Refer in the clear zone 232 of this indication corresponding eachThe luminous zone 224a of light emitting diode 224, and 234 of dark spaces refer to the non-luminous region staggered with light emitting diode 224. At thisIn embodiment, the first microstructured area 244 is arranged on 246 of 232, the second microstructured area, clear zone and is arranged on dark space 234.

Continue with reference to shown in Fig. 3 A and Fig. 3 B, the first microstructured area 244 has several the first micro-structural 244a, second micro-knotStructure district 246 has several the second micro-structural 246a. In the present embodiment, each the first micro-structural 244a and second micro-structural246a is list structure, and the first micro-structural 244a and the second micro-structural 246a extend along the first axial A3. In addition, due toOne microstructured area 244 and the second microstructured area 246 are separately positioned in clear zone 232 and dark space 234, therefore the second microstructured area 246The characteristic Design of the second micro-structural 246a come significantly than the first micro-structural 244a in the first microstructured area 244. For example,Length, the degree of depth or the height of two micro-structural 246a are greater compared to the first micro-structural 244a. Or, the second micro-structural 246a'sArranging density is intensive compared to the arranging density of the first micro-structural 244a. More clearly say, about the first micro-structural 244a andThe design of two micro-structural 246a with and the effect part that produced and aforementioned Figure 1A to Fig. 2 C shown in the first embodiment firstMicro-structural 144a is identical haply with the design of the second micro-structural 146a, therefore do not repeat them here.

Separately, with reference to Fig. 3 C, it is to describe according to looking on the another kind of backlight module of the utility model the second embodimentFigure. The structure of the backlight module 200 ' of present embodiment is identical with aforementioned backlight module 200 haply, and difference is backlight moduleThe first microstructured area 244 of 200 ' is different from the setting position of the second microstructured area 246. As shown in Figure 3 C, each luminous twoThe light that utmost point pipe 224 sends is injected in LGP 240 with diffusion mode, and on LGP 240, forms luminous zone 224a, andCan on the second datum line B2 on LGP 242, produce a plurality of clear zones 232 ' and a plurality of dark spaces 234 '. Wherein, in this instituteThe clear zone 232 ' referring to refers to two adjacent overlapping regions of luminous zone 224a, and dark space 234 ' refers to each luminous zoneThe part that 224a is non-and other luminous zones 224a is overlapping. In the present embodiment, the first microstructured area 244 is arranged on clear zone 232 ',The second 246 of microstructured area are arranged on dark space 234 '.

Continue with reference to shown in Fig. 3 C, because the first microstructured area 244 and the second microstructured area 246 are separately positioned on clear zone232 ' with dark space 234 ' in, therefore the characteristic Design of the second micro-structural 246a of the second microstructured area 246 is than the first microstructured area 244In the first micro-structural 244a come significantly. For example, the length of the second micro-structural 246a, the degree of depth or height are compared to first micro-knotStructure 244a is greater. Or the arranging density of the second micro-structural 246a is intensive compared to the arranging density of the first micro-structural 244a.More clearly say, about the design of the first micro-structural 244a and the second micro-structural 246a with and the effect part that produced and frontThe the first micro-structural 144a that states the first embodiment shown in Figure 1A to Fig. 2 C is identical haply with the design of the second micro-structural 146a,Therefore do not repeat them here.

More clearly say, in the embodiment shown in Fig. 3 A and Fig. 3 B, because the luminous zone 224a of light emitting diode 224 existsThe position of the first datum line B1 underlapped, therefore when the first microstructured area 244 and the second microstructured area 246 are arranged on close light inletWhen the first datum line B1 of face 242a, be staggered side by side with the first rule. That is to say the setting of the first microstructured area 244Position is corresponding with the position of light emitting diode 224, the position of the second microstructured area 246 be with light emitting diode 224 positionPut and be crisscross arranged.

And in embodiment as shown in Figure 3 C, because the luminous zone 224a of light emitting diode 224 is at the second datum line B2Position overlapped, therefore when the first microstructured area 244 and the second microstructured area 246 are arranged on away from second of incidence surface 242aWhen datum line B2, the first microstructured area 244 and the second microstructured area 246 are staggered side by side with Second Rule. That is to say, theThe position of the position of one microstructured area 244 and light emitting diode 224 is crisscross arranged, and the setting position of the second microstructured area 246Mutually corresponding with the position of light emitting diode 224. Hence one can see that, aforementioned the first rule and the design of Second Rule withThe first datum line B1 is relevant with the setting position of the second datum line B2, and the first rule is just phase with the arrangement mode of Second RuleInstead.

With reference to Fig. 4 A, it is the device signal of describing according to a kind of backlight module of the utility model the 3rd embodimentFigure. Backlight module 300 structures of present embodiment are identical haply with the structure of aforementioned backlight module 200, and difference is backlightThe incidence surface 342a of the LGP 340 of module 300 is provided with a plurality of the 3rd micro-structurals 360. As shown in Figure 4 A, backlight module 300Comprise equally light source 320 and LGP 340. LGP 340 comprises main body 342, a plurality of the first microstructured area 344 and multipleSeveral the second microstructured area 346. The first microstructured area 344 and the second microstructured area 346 are arranged in main body 342. In addition main body,342 incidence surface 342a is provided with several the 3rd micro-structurals 360. More clearly say the first microstructured area 344 of present embodimentWith the design of the second microstructured area 346 and aforementioned the first microstructured area 144 and 244 and second microstructured area 146 and 246 phaseWith, therefore do not repeat them here.

Separately, with reference to Fig. 4 B, it is the device signal of describing according to a kind of display device of the utility model one embodimentFigure. The display device 600 of present embodiment comprises backlight module 300 and display floater 610 as shown in Figure 4 A. As Fig. 4 B instituteShow, display floater 610 is arranged on the front of the LGP 340 of backlight module 300, can reach object as hereinbefore, thereforeThis repeats no more. More clearly say, this case embodiment is only applied in display device 600 with the backlight module 300 shown in Fig. 4 ABe used as exemplary illustration use, not in order to limit the utility model. The backlight module of aforementioned other embodiment, for example mould backlightPiece 100,100 ' or 200 also can be applicable in display device, to produce same effect.

In the utility model, the main body of LGP also can be the non-flat board with uniform thickness. Separately, with reference to Fig. 5, it isDescribe according to the device schematic diagram of a kind of backlight module of the utility model the 4th embodiment. The backlight module of present embodiment400 framework is identical with the framework of the backlight module 200 of above-mentioned embodiment haply, and the difference of the two is backlight moduleThe not flat board of tool uniform thickness of main body 442 of 400 LGP 440.

As shown in Figure 5, backlight module 400 comprises light source 420 and LGP 440 equally. LGP 440 comprises main body442, a plurality of the first microstructured area 444 and a plurality of the second microstructured area 446. The first microstructured area 444 and second micro-knotStructure district 446 is arranged in main body 442. Main body 442 comprises incidence surface 442a and optical surface 442b. In the present embodiment, main body442 are greater than the thickness away from incidence surface 442a near the thickness of incidence surface 442a. Wherein, optical surface 442b comprises blank portion442c, first area 442d and second area 442e. And the part that optical surface 442b connects incidence surface 442a is inclined-plane, thisThe blank 442c of portion of embodiment is arranged on inclined-plane, and first area 442d connects the blank 442c of portion, and is positioned at second area 442dAnd between the blank 442c of portion. In the present embodiment, the first microstructured area 444 and the second microstructured area 446 are arranged on first areaIn 442d. More clearly say the first microstructured area 444 of present embodiment and the design of the second microstructured area 446 and frontState the first microstructured area 144 and 244 identical with the second microstructured area 146 and 246, therefore do not repeat them here.

With reference to Fig. 6 A, it is the device signal of describing according to a kind of backlight module of the utility model the 5th embodimentFigure. Backlight module 500 structures of present embodiment are identical haply with the structure of aforementioned backlight module 300, and difference is backlightThe incidence surface 542a of the LGP 540 of module 500 is provided with a plurality of the 3rd micro-structurals 560. As shown in Figure 6A, backlight module 500Comprise equally light source 520 and LGP 540. LGP 540 comprises main body 542, a plurality of the first microstructured area 544 and multipleSeveral the second microstructured area 546. The first microstructured area 544 and the second microstructured area 546 are arranged in main body 542. In addition main body,542 incidence surface 542a is provided with several the 3rd micro-structurals 560. More clearly say the first microstructured area 544 of present embodimentWith the design of the second microstructured area 546 and aforementioned the first microstructured area 144 and 244 and second microstructured area 146 and 246 phaseWith, therefore do not repeat them here.

Separately, with reference to Fig. 6 B, it is the device signal of describing according to a kind of display device of another embodiment of the utility modelFigure. The display device 700 of present embodiment comprises backlight module 500 and display floater 710 as shown in Figure 6A. As Fig. 6 B instituteShow, display floater 710 is arranged on the front of the LGP 540 of backlight module 500, can reach object as hereinbefore, thereforeThis repeats no more. More clearly say, this case embodiment is only applied in display device 700 with the backlight module 500 shown in Fig. 6 ABe used as exemplary illustration use, not in order to limit the utility model. The backlight module of aforementioned other embodiment, for example mould backlightPiece 400 also can be applicable in display device, to produce same effect.

From above-mentioned the utility model embodiment, the utility model utilization is at the optical surface of the contiguous incidence surface of LGPBe provided with the first different microstructured area and the second microstructured area, and effectively atomization leaded light of micro-structural in these microstructured areaPlate is near the light leak of light inlet, and can significantly improve the phenomenon near the bright dark inequality of light inlet, and then can promote Integral back optical modeThe luminance uniformity of piece and display device.

Although the utility model discloses as above with embodiment, so it is not in order to limit the utility model, this areaThose skilled in the art not departing from spirit and scope of the present utility model, when being used for a variety of modifications and variations, therefore thisThe protection domain of utility model when with claim the person of being defined be as the criterion.

[symbol description]

100 backlight modules

100 ' backlight module

120 light sources

122 circuit boards

124 light emitting diodes

140 LGPs

142 main bodys

142a incidence surface

142b optical surface

142c first area

142d second area

144 first microstructured area

144a the first micro-structural

146 second microstructured area

146a the second micro-structural

151 first profiles

153 second profiles

200 backlight modules

200 ' backlight module

220 light sources

222 circuit boards

224 light emitting diodes

224a luminous zone

232 clear zones

232 ' clear zone

234 dark spaces

234 ' dark space

240 LGPs

242 main bodys

242a incidence surface

242b optical surface

242c blank portion

242d first area

242e second area

244 first microstructured area

246 second microstructured area

300 backlight modules

320 light sources

340 LGPs

342 main bodys

342a incidence surface

344 first microstructured area

346 second microstructured area

360 the 3rd micro-structurals

400 backlight modules

420 light sources

440 LGPs

442 main bodys

442a incidence surface

442b optical surface

442c blank portion

442d first area

442e second area

444 first microstructured area

446 second microstructured area

500 backlight modules

520 light sources

540 LGPs

542a incidence surface

542 main bodys

544 first microstructured area

546 second microstructured area

560 the 3rd micro-structurals

600 display devices

610 display floaters

700 display devices

710 display floaters

A1 first is axial

A2 second is axial

A3 first is axial

A4 second is axial

B1 the first datum line

B2 the second datum line

The D1 degree of depth

The D2 degree of depth

H1 height

H2 height

L1 length

L2 length

W1 the first distance

W2 second distance

Claims (12)

1. a display device, comprises backlight module and display floater, and described backlight module comprises LGP and light source, wherein,Described LGP comprises:

Main body, comprises incidence surface and optical surface, and wherein, described incidence surface connects described optical surface, and described optical surface comprisesOne region;

A plurality of the first microstructured area, it is arranged on the described first area of described optical surface; And

A plurality of the second microstructured area, it is arranged on the described first area of described optical surface, wherein, described the second micro-structuralDistrict and described the first microstructured area are staggered side by side, and described the first microstructured area is different from described the second microstructured area;

Wherein, the setting adjacent with described incidence surface of described light source, and described light source comprises circuit board and a plurality of light-emitting diodesPipe, described light emitting diode is arranged on described circuit board;

Wherein, described display floater is positioned at the front of the described LGP of described backlight module.

2. display device according to claim 1, wherein, described in each, the first microstructured area has a plurality of alongOne axially extended the first micro-structural, described in each, the second microstructured area has a plurality of along described first axially extendedThe second micro-structural, and described the second microstructured area and described the first microstructured area are along being different from described first axial the second axleTo being staggered side by side.

3. display device according to claim 1, wherein, described optical surface also comprises blank portion, described blank portion is positioned atBetween described incidence surface and described first area.

4. display device according to claim 3, wherein, axially arrange along first described blank portion and described first areaRow, described the second microstructured area and described the first microstructured area axially interlock side by side along being different from described first axial secondArrange.

5. display device according to claim 4, wherein, described in each, the first microstructured area has a plurality of along instituteState first axially extended the first micro-structural, described in each, the second microstructured area has and a plurality ofly axially prolongs along described firstSecond micro-structural of stretching.

6. according to the display device described in claim 2 or 5, wherein, described in each, the length of the first micro-structural is different from oftenThe length of described second micro-structural.

7. according to the display device described in claim 2 or 5, wherein, when described the first micro-structural and described the second micro-structural areWhen sunk structure, described in each, the degree of depth of the first micro-structural is different from the degree of depth of the second micro-structural described in each.

8. according to the display device described in claim 2 or 5, wherein, when described the first micro-structural and described the second micro-structural areWhen projective structure, described in each, the height of the first micro-structural is different from the height of the second micro-structural described in each.

9. according to the display device described in claim 2 or 5, wherein, between two adjacent described the first micro-structurals, haveOne distance, has second distance between two adjacent described the second micro-structurals, and wherein, described the first distance is different from described theTwo distances.

10. according to the display device described in any one in claim 1 to 5, also comprise a plurality of the 3rd micro-structurals, it is arranged onOn the described incidence surface of described main body.

11. according to the display device described in any one in claim 3 to 5, and wherein, described LGP has inclined-plane, described obliqueFace connects described incidence surface and described first area, and described blank portion is positioned on described inclined-plane.

12. according to the display device described in any one in claim 3 to 5, wherein, and described blank portion and position, described first areaOn same level.