CN205067911U - Display device - Google Patents
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- CN205067911U CN205067911U CN201520392955.6U CN201520392955U CN205067911U CN 205067911 U CN205067911 U CN 205067911U CN 201520392955 U CN201520392955 U CN 201520392955U CN 205067911 U CN205067911 U CN 205067911U
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- Prior art keywords
- quantum dot
- guide plate
- display device
- light guide
- enhanced film
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Abstract
The utility model relates to a display device. Quantum dot reinforcing film has the true edge and reaches the limit of encircleing that is connected with this true edge, and a surface of this quantum dot reinforcing film should be formed with the micro -structure region around limit department in neighbouring. And backlight module includes the shell unit, locates the interior light source of shell unit, locates light guide plate and as the foretell quantum dot reinforcing film in the shell unit, and the quantum dot strengthens the film and splices mutually with the light guide plate. The number of times that light passes through quantum point reinforcing film can be increased from this, the sufficient light of adding and correcting is inspired to backlight module can be solved and the problem that the light zone territory can present blue limit or oil blackeite is on every side sent out. As for this display device then including aforesaid backlight module, at least one optics diaphragm and liquid crystal display panel.
Description
Technical field
The utility model relates to a kind of backlight module, and particularly a kind of energy improves the quantum dot enhanced film, backlight module and the display device that show edge aberration phenomenon.
Background technology
Quantum dot enhanced film (QuantumDotEnhancementFilm, QDEF) is used in backlight module at present, and in order to make the color of display present optical module more accurately.Its principle is the sub-point of the considerable two amounts of magnitude setting on film, and take blue light as back light, blue light illumination can be converted to ruddiness and green glow respectively to during two amounts point, the ruddiness produced and green glow can with blue light together colour mixture be white light, by changing ratio blue light being converted to ruddiness and green glow, the effect of colour mixture can be made closer to actual color, thus make the colour generation of display more accurate.
Consult Fig. 1 and Fig. 2, for the existing backlight module 1 of one, include backboard 11, be connected to this backboard 11 and with this backboard 11 jointly around accommodation space 10 mould frame 12, the light guide plate 13 be arranged in this accommodation space 10, be arranged at this light guide plate 13 bottom surface and be arranged in this accommodation space 10 quantum dot enhanced film 14, be arranged at this accommodation space 10 light source (not shown), be arranged at reflecting element 15 around this light guide plate 13 and the multiple blooming pieces 17 in this light guide plate 13 stacked on top of each other.The light that the light source of this backlight module 1 sends can transmit via this light guide plate 13, by the reflex of the plurality of blooming piece 17, make light when this light guide plate 13 penetrates this quantum dot enhanced film 14, also have an opportunity again to be penetrated this quantum dot enhanced film 14 by reflecting, light penetrates this quantum dot enhanced film 14 through repeatedly reflecting, correction light is produced through mixed light effect, then through the plurality of blooming piece 17.In addition, when light is through this light guide plate 13 when being reflected by this reflecting element 15, getting back in this light guide plate 13, and again penetrate this quantum dot enhanced film 14 through superrefraction and produce correction light.
Due to the light source activation of this backlight module 1 is produced in the process of correction light, whether enough the energy of this correction light is depend on the number of times of light refraction by this quantum dot enhanced film 14, if the number of times passed through is more, then can through more excitation, make the energy of correction light comparatively enough, just can present color accurately.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of quantum dot enhanced film.
So quantum dot enhanced film of the present utility model has reference edge, the circumferential edge be connected with this reference edge and is positioned at the microstructure area at this circumferential edge place contiguous.
Another object of the present utility model is that providing a kind of reaches high color saturation and can improve the backlight module showing edge aberration phenomenon.
So backlight module of the present utility model comprises the outer cover unit with accommodation space, the light source be arranged in this accommodation space, is installed on light guide plate in this accommodation space and quantum dot enhanced film.This light guide plate have towards this light source enter plain edge be connected this enter plain edge and with this enter plain edge jointly around formed this light guide plate edge around limit.This quantum dot enhanced film, splices mutually with this light guide plate and is positioned at this accommodation space, and this quantum dot enhanced film should be formed with microstructure area around Bian Chu in contiguous.
Another object of the present utility model is to provide a kind of this backlight module that uses to reach the display device that high color saturation also can improve edge aberration phenomenon.
So, display device of the present utility model comprises above-mentioned backlight module, multiple blooming piece and liquid crystal panel, wherein, this light guide plate of this backlight module has exiting surface, and described blooming piece and this liquid crystal panel are sequentially stacked and placed on this exiting surface of this light guide plate.
Effect of the present utility model is the setting by this microstructure area, can by light reflection, and then again by this quantum dot enhanced film, increase the number of times of light by this quantum dot enhanced film, and then make also can excite enough correction light in the position of this light-guide edge, high color saturation is provided, and solves the problem that can present blue limit or oil blackeite around this backlight module light-emitting zone.
Accompanying drawing explanation
Of the present utility model other feature and effect, by reference to accompanying drawing embodiment in clearly present, wherein:
Fig. 1 is schematic diagram, and a kind of existing backlight module is described;
Fig. 2 is partial schematic diagram, aid illustration Fig. 1;
Fig. 3 is schematic diagram, and the first embodiment of the utility model quantum dot enhanced film and backlight module is described;
Fig. 4 is partial schematic diagram, aid illustration Fig. 3;
Fig. 5 is schematic diagram, and the cross sectional shape showing multiple first microstructures of quantum dot enhanced film in aid illustration Fig. 3, figure is R type;
Fig. 6 is schematic top plan view, and the cross sectional shape showing no matter the plurality of first microstructure in aid illustration Fig. 3 and Fig. 5, figure is V-type or R type, and the plurality of first microstructure is all in microscler extension;
Fig. 7 is schematic top plan view, and what show this quantum dot enhanced film overlooks state, and the plurality of first microstructure presents hemispheric situation;
Fig. 8 is schematic diagram, illustrate the arranging density of the plurality of first microstructure be the closer to light guide plate around Bian Yuemi;
Fig. 9 is schematic diagram, illustrates that the degree of depth of the plurality of first microstructure or height are darker or higher the closer to this around limit;
Figure 10 is schematic diagram, illustrates that the slope of the plurality of first microstructure is the closer to this around Bian Yue great;
Figure 11 is schematic diagram, and the second embodiment of the utility model quantum dot enhanced film and backlight module is described;
Figure 12 is partial schematic diagram, aid illustration Figure 11;
Figure 13 is schematic diagram, and the 3rd embodiment of the utility model quantum dot enhanced film and backlight module is described;
Figure 14 is schematic diagram, and the 4th embodiment of the utility model quantum dot enhanced film and backlight module is described;
Figure 15 is aberration comparison diagram, illustrate the utility model display device in contrast to this light guide plate around limit side measured by chromatism data; And
Figure 16 is aberration comparison diagram, illustrate the utility model display device in this light guide plate around the chromatism data measured by limit.
Embodiment
Before the utility model is described in detail, should be noted that in the following description content, similar assembly represents with identical numbering.
Consult Fig. 3, Fig. 4 and Fig. 6, first embodiment of the utility model quantum dot enhanced film 24 and backlight module 2, this quantum dot enhanced film 24 has reference edge 245, the circumferential edge 246 be connected with this reference edge 245, approaching face 241, the optical surface 242 relative with this approaching face 241, is positioned at this optical surface 242 and is close to the microstructure area 243 of this circumferential edge and is positioned at multiple first microstructures 244 of this microstructure area 243.The cross sectional shape of each the first microstructure 244 is V-type, but be not limited thereto, such as each first microstructure 244 cross sectional shape also can be the R type shown in Fig. 5, and when the cross sectional shape of the plurality of first microstructure 244 is R type, no matter the cross sectional shape of the plurality of first microstructure 244 is V-type or R type, all as shown in Figure 6 in microscler extension; In addition, the plurality of first microstructure 244 also can present semisphere, and the state of overlooking of this microstructure area 235 presents round point shape as shown in Figure 7.Or this microstructure area 235 can be rough surface.
Continue to consult Fig. 3, Fig. 4 and Fig. 6, this backlight module 2 comprises the outer cover unit 21 with accommodation space 210, the light source 22 be arranged in this accommodation space 210, is installed on light guide plate 23 in this accommodation space 210 and quantum dot enhanced film 24 described above.In addition, this backlight module 2 also comprises the reflecting element 25 be arranged at around this light guide plate 23.
This outer cover unit 21 comprises backboard 211 and is compassingly set at the frame 212 of this backboard 211 periphery, this frame 212 has the extension 213 that is connected with this backboard 211 and from this extension 213 and this backboard 211 kink 214 of extending towards this accommodation space 210 of place separately, have towards the reflecting surface 215 of this quantum dot enhanced film 24 inside this kink 214, and this reflecting surface 215 is with made by light reflective material.
This light guide plate 23 comprise towards this light source 22 enter plain edge (because of viewing angles relation, not giving display), connect this enter plain edge 231 and with this enter plain edge jointly around formed this light guide plate 23 edge around limit 232, first surface 233 and the second surface 234 relative with this first surface 233.This quantum dot enhanced film 24 aforementioned be stacked and placed on this light guide plate 23 first surface 233 and be positioned at this accommodation space 210, and the microstructure area 243 of this quantum dot enhanced film 24 this light guide plate 23 contiguous around limit 232.
Continue as shown in Figure 4, in the present embodiment, the arranging density of the plurality of first microstructure 244 is even, and the degree of depth, height and slope are identical.But being not limited thereto, also can be as shown in Figure 8, the arranging density of the plurality of first microstructure 244 is closeer around limit 232 the closer to this; Or as shown in Figure 9, the degree of depth or the height of the plurality of first microstructure 244 are darker or higher around limit 232 the closer to this; Also can be as shown in Figure 10, the slope of the plurality of first microstructure 244 be larger around limit 232 the closer to this.
Consult Fig. 3 again, Fig. 4 and Fig. 6, in use, when the light that this light source 22 sends is passed to this reflecting element 25 via this light guide plate 23, the light reflected by this reflecting element 25, again can enter this light guide plate 23, when light conducts in this light guide plate 23, can by light reflection by the setting of the plurality of first microstructure 244, and then again by this quantum dot enhanced film 24, increase the number of times of light by this quantum dot enhanced film 24 of this frame 212 shaded areas, to produce enough correction light, that is here can effectively be improved away from the briliancy in the region of light source 22, thus not only can provide high color saturation, and the problem that can present blue limit or oil blackeite around this backlight module 2 light-emitting zone can be solved.
Consult Figure 11 and Figure 12, for the second embodiment of the utility model backlight module 2, the present embodiment is roughly the same with the first embodiment, different places is the second surface 234 of the approaching face 241 of this quantum dot enhanced film 24 towards this light guide plate 23, this microstructure area 243 of this quantum dot enhanced film 24 be positioned at this optical surface 242 and this light guide plate 23 contiguous around limit 232.Thus when light conducts in this light guide plate 23, also can via the reflection of the plurality of first microstructure 244, and again by this quantum dot enhanced film 24, the number of times of light by this quantum dot enhanced film 24 of this frame 212 shaded areas can be increased equally, to produce enough correction light, thus also can reach the effect identical with the first embodiment.
Consult Figure 13, for the 3rd embodiment of the utility model backlight module 2, the present embodiment is roughly the same with the first embodiment, different places be this microstructure area 243 of this quantum dot enhanced film 24 be positioned at simultaneously this approaching face 241 with this optical surface 242 and contiguous should around limit 232.In use, not only can reach the effect identical with the first embodiment thus, and the present embodiment more can increase the number of times of light by this quantum dot enhanced film 24 of this frame 212 shaded areas compared to above-mentioned two embodiments.
Consult Figure 14, for the 4th embodiment of the utility model backlight module 2 (Fig. 3 is consulted in review), the present embodiment is roughly the same with the first embodiment, different places is that the circumferential edge 246 of this quantum dot enhanced film 24 has the center side 2461 corresponding with this reference edge 245, and lay respectively at this center side 2,461 two end and two sides 2462 be connected with this reference edge 245 2 end, center side 2461 adjacent position of the circumferential edge 246 of this quantum dot enhanced film 24 is also provided with and parallels and multiple second microstructures 247 of the Increasing lengths in past the plurality of side 2462 direction, make the region away from light source 22, the phenomenon of its corner blanking bar can effectively be improved.
Then comprise backlight module 2, multiple blooming piece 3 and liquid crystal panel 4 as display device of the present utility model.Wherein, this backlight module 2 can be the tectonic sieving as shown in Fig. 3, Fig. 5, Fig. 8, Fig. 9, Figure 10, Figure 11 or Figure 13, and described blooming piece 3 is sequentially be stacked and placed on this first surface 233 of this light guide plate 23 with this liquid crystal panel 4.
Compare the difference of display device on aberration of display and the utility model backlight module 2 installing existing backlight module further: consult Fig. 1, Fig. 3 and Figure 15, Figure 15 is from the aberration comparison diagram measured by the side contrary around limit 232 of this display device (display) and this light guide plate 23, transverse axis in Figure 15 is from the inside distance in display device (display) edge, the longitudinal axis is then CIE1976UCSu', the data that the display installing existing backlight module presents are expressed as broken line A1, the data that the display device of installing backlight module 2 of the present utility model presents are expressed as broken line B1, the chromatism data of broken line A1 increases along with distance and increases fast, in the scope of 12mm, chromatism data progressively rises to 0.196, but just rise to 0.198, representative is before this distance, near the fringe region of this light guide plate 23, partially blue situation is quite obvious, and in this distance afterwards, more and more near the zone line of this light guide plate 23, just there is more yellow change, do not have significantly partially blue.Review broken line B1, in the scope of 4 to 6mm, chromatism data rises to 0.196, and arrived 12mm, chromatism data just brings up to 0.198, just remains stable 0.198 afterwards.In fig .15, the numerical value of diamond block is exactly under same distance, is provided with backlight module 2 of the present utility model and does not install the chromatism data difference of backlight module 2 of the present utility model.
Consult Fig. 1, Fig. 3 and Figure 16, Figure 16 be from this light guide plate 23 of this display device around the aberration comparison diagram measured by limit 232, transverse axis in Figure 15 is from the inside distance in display device (display) edge, the longitudinal axis is then CIE1976UCSv', the data that the display installing existing backlight module presents are expressed as broken line A2, the data that the display device of installing backlight module 2 of the present utility model presents are expressed as broken line B2, the chromatism data of broken line A2 increases along with distance and increases fast, the chromatism data of broken line B2 progressively rises to 0.396, but just rise to 0.398, representative is before this distance, near the fringe region of this light guide plate 23, partially blue situation is quite obvious, and in this distance afterwards, more and more near the zone line of this light guide plate 23, just there is more yellow change, do not have obvious aberration.Review broken line B2, in the scope of 5.5mm, chromatism data rises to 0.410, just remains stable 0.410 afterwards.The numerical value of diamond block in figure is exactly under same distance, is provided with backlight module 2 of the present utility model and does not install the chromatism data difference of backlight module 2 of the present utility model.
In sum, by being formed with microstructure area 243 in this light guide plate 23 contiguous around limit 232 place in the quantum dot enhanced film 24 of splicing mutually with this light guide plate 23, and be positioned at multiple first microstructure 244 or second microstructures 247 of this microstructure area 243, the light sent by light source 22 and the light reflected via this reflecting element 25 can be made, again by this quantum dot enhanced film 24, increase the number of times of light by this quantum dot enhanced film 24, to produce enough correction light, not only high color saturation can be provided, and the problem that can present blue limit or oil blackeite around this backlight module 2 light-emitting zone can be solved, therefore really can reach the purpose of this utility model.
Only as described above, be only preferred embodiment of the present utility model, when can not limit the scope of the utility model enforcement with this, namely the simple equivalence change generally done according to the utility model claim and patent specification content with modify, all still belong in scope that the utility model patent contains.
Claims (9)
1. a display device, comprises backlight module, multiple blooming piece and liquid crystal panel, wherein:
Described backlight module comprises:
Outer cover unit, has accommodation space;
Light source, is arranged in described accommodation space;
Light guide plate, is installed in described accommodation space, described light guide plate have towards enter plain edge described in the entering plain edge and be connected of described light source and with described enter plain edge jointly around formed described light guide plate edge around limit; With
Quantum dot enhanced film, splices mutually with described light guide plate and is positioned at described accommodation space, and described quantum dot enhanced film is formed with microstructure area around Bian Chu described in contiguous;
The described light guide plate of described backlight module has first surface and the second surface relative with described first surface, and described blooming piece and described liquid crystal panel are sequentially stacked and placed on the described first surface of described light guide plate.
2. display device according to claim 1, wherein, the described microstructure area of described quantum dot enhanced film is in contiguous described around limit place toward described quantum dot enhanced film center position extension.
3. display device according to claim 1, wherein, described quantum dot enhanced film also has multiple first microstructures being positioned at described microstructure area, and the arranging density of described multiple first microstructure is the closer to described around Bian Yuemi.
4. display device according to claim 3, wherein, the degree of depth of described multiple first microstructure or height are the closer to described darker or higher around limit.
5. display device according to claim 3, wherein, the slope of described multiple first microstructure is the closer to described around Bian Yue great.
6. display device according to claim 1, wherein, the circumferential edge that described quantum dot enhanced film comprises reference edge and is connected with described reference edge, wherein said microstructure area is positioned at contiguous described circumferential edge place, and
Wherein, the described circumferential edge of described quantum dot enhanced film has the center side corresponding with described reference edge and lays respectively at described center side two end and two sides be connected with described reference edge two end, and the described center side adjacent position of the described circumferential edge of described quantum dot enhanced film is also provided with and parallels and multiple second microstructures of the Increasing lengths in past described multiple side direction.
7. display device according to claim 1, wherein, described quantum dot enhanced film has towards the approaching face of described light guide plate and relative with described approaching face and towards the optical surface of described outer cover unit, described microstructure area is positioned at described approaching face and/or described optical surface.
8. display device according to claim 1, wherein, described outer cover unit comprises backboard and is compassingly set at the frame of described backboard periphery, described frame has the extension that is connected with described backboard and from described extension and the described backboard kink that extends towards described accommodation space of place separately, has at least one reflecting surface inside described kink.
9. display device according to claim 1, wherein, described outer cover unit is with made by light reflective material, to form described reflecting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392955.6U CN205067911U (en) | 2015-06-09 | 2015-06-09 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520392955.6U CN205067911U (en) | 2015-06-09 | 2015-06-09 | Display device |
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| Publication Number | Publication Date |
|---|---|
| CN205067911U true CN205067911U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520392955.6U Expired - Fee Related CN205067911U (en) | 2015-06-09 | 2015-06-09 | Display device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957008A (en) * | 2016-10-14 | 2018-04-24 | 晨丰光电股份有限公司 | Light source module group |
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2015
- 2015-06-09 CN CN201520392955.6U patent/CN205067911U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957008A (en) * | 2016-10-14 | 2018-04-24 | 晨丰光电股份有限公司 | Light source module group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160302 |