CN204945554U - Flexible liquid crystal panel, flexible liquid crystal display and wearable device - Google Patents
Flexible liquid crystal panel, flexible liquid crystal display and wearable device Download PDFInfo
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- CN204945554U CN204945554U CN201520749279.3U CN201520749279U CN204945554U CN 204945554 U CN204945554 U CN 204945554U CN 201520749279 U CN201520749279 U CN 201520749279U CN 204945554 U CN204945554 U CN 204945554U
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- liquid crystal
- flexible
- crystal panel
- flexible liquid
- box
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Abstract
The utility model discloses a kind of flexible liquid crystal panel, flexible liquid crystal display and wearable device, to reduce the thick change of liquid crystal layer box to the impact of display effect, improve display frame quality.Flexible liquid crystal panel comprises: the first flexible base, board arrange box and the second flexible base, board, and the liquid crystal layer between described first flexible base, board and described second flexible base, board, the birefraction Δ n of liquid crystal in liquid crystal layer
1< 0.045, the thick d of box of liquid crystal layer
1> 8 μm, and meet formula: Δ n
1* d
1=λ
0, wherein λ
0for phasic difference when flexible liquid crystal panel does not produce deformation, and it is setting constant.The flexible liquid crystal panel that the utility model provides, compared to existing technology, when flexible liquid crystal panel generation same degree bending, flexible liquid crystal panel bending region is less with the phasic difference difference not producing deformation region, and picture homogeneity is better.
Description
Technical field
The utility model relates to display technique field, particularly relates to a kind of flexible liquid crystal panel, flexible liquid crystal display and wearable device.
Background technology
Flexible display and flexible display technologies are subject to people and more and more pay close attention in recent years, flexible display is the display that can fold, bend or be otherwise out of shape, flexible display technologies makes the display mode of information more versatile and flexible, has wide practical use in fields such as televisor, monitor, mobile phone, panel computer and electron albums.
Current flexible display technologies mainly comprises: flexible organic electro-luminescence display technique, flexible electrophoretic display technology and flexible liquid crystal technology.Wherein, the development of flexible liquid crystal display comparatively early, in flexible liquid crystal display, the box of liquid crystal layer is thick larger to display image contributions, when substrate is bending or pressurized folds, because the distance between substrate changes, the liquid crystal of fold domain will to perimeter, cause bending area thick different from the box of the liquid crystal layer that deformation region does not occur, thus occur that picture shows uneven problem.
Utility model content
The utility model proposes a kind of flexible liquid crystal panel, flexible liquid crystal display and wearable device, with the thick change of the box reducing liquid crystal layer on the impact of display effect, improve display frame quality.
The utility model embodiment provides a kind of flexible liquid crystal panel, comprise: the first flexible base, board that box is arranged and the second flexible base, board, and the liquid crystal layer between described first flexible base, board and described second flexible base, board, the birefraction Δ n of liquid crystal in liquid crystal layer
1< 0.045, the thick d of box of liquid crystal layer
1> 8 μm, and meet formula: Δ n
1* d
1=λ
0, wherein λ
0for phasic difference when flexible liquid crystal panel does not produce deformation, and it is setting constant.
When flexible liquid crystal panel bends, the thick meeting of box of liquid crystal layer changes, and then affects phasic difference and change, and affects picture homogeneity.Adopt the flexible liquid crystal panel that the utility model embodiment provides, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change of the phasic difference that the thick change of box that flexible liquid crystal panel is subject to liquid crystal layer causes is less, that is, flexible liquid crystal panel bending region in the utility model embodiment is less with the phasic difference difference not producing deformation region, and picture homogeneity is better, thus has the display frame of more high-quality.
Preferably, the birefraction 0.018 < Δ n of liquid crystal in described liquid crystal layer
1< 0.045.
Preferably, the thick 8 μm of < d of the box of described liquid crystal layer
1< 20 μm.
Preferably, the birefraction Δ n of liquid crystal in described liquid crystal layer
1=0.0354, the thick d of box of described liquid crystal layer
1=10 μm.
The utility model embodiment still provides a kind of flexible liquid crystal display, comprises the flexible liquid crystal panel in preceding solution.
Adopt the flexible liquid crystal display of the flexible liquid crystal panel in preceding solution, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change of the phasic difference that the thick change of box that flexible liquid crystal panel is subject to liquid crystal layer causes is less, that is, the flexible liquid crystal panel plate benging region of the flexible liquid crystal display in the utility model embodiment is less with the phasic difference difference in the region that deformation does not occur, picture homogeneity is better, thus the flexible liquid crystal display that the utility model embodiment provides has the display frame of more high-quality.
The utility model embodiment still provides a kind of wearable device, comprises the flexible liquid crystal panel in preceding solution.
Adopt the wearable device of the flexible liquid crystal panel in preceding solution, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change of the phasic difference that the thick change of box that flexible liquid crystal panel is subject to liquid crystal layer causes is less, picture homogeneity is better, and the wearable device that thus the utility model embodiment provides has the display frame of more high-quality.
Accompanying drawing explanation
Fig. 1 is flexible liquid crystal panel construction schematic diagram in prior art;
Fig. 2 is flexible liquid crystal panel construction schematic diagram in the utility model embodiment;
Fig. 3 is the voltage-transmittance curve contrast schematic diagram of the liquid crystal panel in prior art and the utility model embodiment with the thick change of box;
Fig. 4 is the visual angle change contrast schematic diagram of the liquid crystal panel in prior art and the utility model embodiment with the thick change of box;
Fig. 5 is the method for making schematic flow sheet of the utility model embodiment flexible liquid crystal panel.
Reference numeral:
1-first flexible base, board;
2-dotted line one;
3-second flexible base, board;
4-dotted line two;
5,7-liquid crystal;
6-sealed plastic box;
8-curve one;
9-curve two;
10-curve three;
11-curve four;
12-curve five;
13-curve six.
Embodiment
In order to improve display frame quality, the utility model embodiment provides the method for making of a kind of flexible liquid crystal panel, flexible liquid crystal display, wearable device and flexible liquid crystal panel.The flexible liquid crystal panel that the utility model embodiment provides, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change that flexible liquid crystal panel is subject to the phasic difference that the thick change of box causes is less, that is, the difference that flexible liquid crystal panel bending region in the utility model embodiment occurs with the phasic difference difference more existing flexible liquid crystal panel in the region that deformation does not occur is less, picture homogeneity is better, thus has the display frame of more high-quality.Therefore, compared to existing technology, this programme can reduce the thick change of liquid crystal layer box to the impact of display effect, improves display frame quality.
For making the purpose of this utility model, technical scheme and advantage clearly, by the following examples the utility model is described in further detail.
As shown in Figure 2, the flexible liquid crystal panel of the utility model embodiment comprises the first flexible base, board 1 and the second flexible base, board 3 arranged box, and the liquid crystal layer between the first flexible base, board 1 and the second flexible base, board 3, the birefraction Δ n of liquid crystal 7 in liquid crystal layer
1< 0.045, the thick d of box of liquid crystal layer
1> 8 μm, and meet formula: Δ n
1* d
1=λ
0, wherein λ
0for phasic difference when flexible liquid crystal panel does not produce deformation, and it is setting constant.
As shown in Figure 2, in the flexible liquid crystal panel of the utility model embodiment, sealed plastic box 6 is between the first flexible base, board 1 and the second flexible base, board 3, and liquid crystal 7 is filled in the box like structure of the sealing of the first flexible base, board 1, second flexible base, board 3 and sealed plastic box composition.
Usually for some panel manufacturers, phasic difference when flexible liquid crystal panel does not produce deformation is a definite value, and its value, generally between 330nm to 370nm, can rule of thumb be determined with actual demand.Existing flexible liquid crystal panel generally adopt birefraction be 0.08 ~ 0.15 liquid crystal, and the box of liquid crystal layer is thick is designed to 2.5 ~ 5 μm.
In liquid crystal display device, the product d* Δ n of the thick d of box of the birefraction Δ n of liquid crystal and the liquid crystal layer of display panels equals phasic difference λ.When flexible liquid crystal panel bends, the thick d of box of liquid crystal layer can change, and therefore, phasic difference λ also changes thereupon.
Fig. 1 is flexible liquid crystal panel schematic diagram in prior art, assuming that the liquid crystal 5 that existing flexible liquid crystal panel adopts has birefraction Δ n
2, the box of the liquid crystal layer of existing flexible liquid crystal panel is thick is d
2.Fig. 2 is the flexible liquid crystal panel schematic diagram in the utility model embodiment, and the liquid crystal 7 that flexible liquid crystal panel adopts has birefraction Δ n
1, wherein Δ n
1< Δ n
2.
Assuming that during flexible liquid crystal panel bending, the variable quantity that the box of a certain position liquid crystal layer is thick is Δ d, and existing flexible liquid crystal panel phasic difference variable quantity is Δ λ
2=Δ d* Δ n
2, the flexible liquid crystal panel phasic difference variation delta λ that the utility model embodiment proposes
1=Δ d* Δ n
1, due to Δ n
1< Δ n
2, so Δ λ
1< Δ λ
2namely when display panel generation same degree bending, the change that the flexible liquid crystal panel that the utility model embodiment proposes is subject to the phasic difference that the thick change of box causes is less, that is, flexible liquid crystal panel bending region in the utility model embodiment is less with the phasic difference difference in the region that deformation does not occur, picture homogeneity is better, and thus display frame has higher picture quality.
In liquid crystal layer, the birefraction of liquid crystal and the thick concrete value of box are not limit, and can determine in conjunction with experience according to actual needs.In the utility model preferred embodiment, the birefraction Δ n of liquid crystal in liquid crystal layer
1meet: 0.018 < Δ n
1< 0.045, the thick d of box of liquid crystal layer
1meet: 8 μm of < d
1< 20 μm.
Such as, in a preferred embodiment of the present utility model, the birefraction Δ n of liquid crystal in liquid crystal layer
1=0.0354, the thick d of box of liquid crystal layer
1=10 μm.In this embodiment, phasic difference λ
0value be 354nm.
In order to contrast the different optical performance of the technical scheme in prior art and the utility model embodiment, for the d in prior art
2=3.6 μm, Δ n
2=0.0984 and the utility model embodiment in the d of decision design
1=10 μm, Δ n
1=0.0354 two kind of design, simulates box thick increase Δ d=0.4 μm respectively and changes with transmitance change during box thick minimizing Δ d=-0.4 μm, center contrast and visual angle performance change, chromaticity coordinates.
As shown in Figure 3, the left figure of Fig. 3 is the voltage-transmittance curve with the thick change of box of the prior art, and wherein curve 1 is thick curve when being 4.0 μm of box, and curve 29 is thick curve when being 3.6 μm of box, and curve 3 10 is thick curve when being 3.2 μm of box; In Fig. 3, right figure is the voltage-transmittance curve with the thick change of box in the utility model embodiment, and wherein curve 4 11 is thick curve when being 10.4 μm of box, and curve 5 12 is thick curve when being 10 μm of box, and curve 6 13 is thick curve when being 9.6 μm of box.
In the prior art, when box is thick be 3.6 μm and magnitude of voltage between liquid crystal cell is 4.5V ~ 5.5V time, liquid crystal transmitance maximal value is 7.5%.In the left figure and right figure of Fig. 3, do be parallel to transverse axis and ordinate be 7.5% dotted line 1 and dotted line 24 as line of reference.Can find out, when the thick increase of box 0.4 μm, the amplitude that the design transmitance that the utility model embodiment proposes increases is less, and when the thick minimizing of box 0.4 μm, the amplitude that the design transmitance that the utility model embodiment proposes reduces is also less; Further, compared with prior art, the technical scheme adopting the utility model embodiment to propose can obtain higher transmitance under less voltage.
The contrast situation that the contrast of the utility model embodiment and flexible liquid crystal panel of the prior art and visual angle show as shown in Figure 4, wherein, in Fig. 4 three schematic diagram in top for the different box of flexible liquid crystal panel in prior art thick time observe under different visual angles three, below schematic diagram in contrast curves figure, the Fig. 4 such as obtained for the different box of flexible liquid crystal panel in the utility model embodiment thick time under different visual angles, observe the contrast curves figure such as obtained; In the diagram, the region between different curve marks contrast with shade, such as, and the d in the utility model embodiment
1the contrast of flexible liquid crystal panel when=10 μm is up to 300 ~ 400.Compared with existing design, not only contrast is higher for the flexible liquid crystal panel in the utility model embodiment technical scheme, and visual angle performance is also better; Simultaneously, when the thick same increase 0.4 μm of box, the amplitude that the contrast of the technical scheme that the utility model embodiment proposes increases is less, and when the thick same reduction 0.4 μm of box, the amplitude that the contrast of the technical scheme that the utility model embodiment proposes reduces is also less.
In table 1 hereinafter and table 2, Rx, Ry is the chromaticity coordinates of the redness of display panels display, as shown in table 1, when liquid crystal cell of the prior art is thick be changed to 3.2 μm from 3.6 μm time, red chromaticity coordinates Rx increases 0.0019, and liquid crystal cell is thick when being changed to 4.0 μm from 3.6 μm, and red chromaticity coordinates Rx reduces 0.0019; As shown in table 2, when the liquid crystal cell in the utility model embodiment is thick be changed to 9.6 μm from 10 μm time, red chromaticity coordinates Rx increases 0.0006, and liquid crystal cell is thick when being changed to 10.4 μm from 10 μm, and red chromaticity coordinates Rx reduces 0.0006; Situation of change and the Rx situation of change of Ry are similar, and therefore, prior art of comparing, the flexible liquid crystal panel in the utility model embodiment is when identical 0.4 μm of the thick change of the box of liquid crystal, and red chromaticity coordinates change is less.The chromaticity coordinates situation of change of other color and pink group are seemingly.Therefore, from chromaticity coordinates change, compared with existing design, when the identical variable quantity 0.4 μm of the thick generation of box or-0.4 μm time, in the technical scheme that the utility model embodiment proposes, the amplitude of the chromaticity coordinates change of flexible liquid crystal panel is obviously less.
In sum, when the change that the thick generation of box is identical, prior art of comparing, the transmitance change of the flexible liquid crystal display in the utility model embodiment is less, and contrast change is less, and chromaticity coordinates change is less; Further, in the optical signature such as transmitance, contrast, there is more excellent performance, therefore adopt the flexible liquid crystal panel that the utility model embodiment provides, the display frame of better quality can be had.
| d2＝3.6μm | d2-0.4μm＝3.2μm | Chromaticity coordinates variable quantity △ | d2+0.4μm＝4.0μm | Chromaticity coordinates variable quantity △ |
| Rx | 0.6586 | 0.6567 | 0.0019 | 0.6605 | -0.0019 |
| Ry | 0.3246 | 0.3243 | 0.0003 | 0.3249 | -0.0003 |
| Gx | 0.2977 | 0.2939 | 0.0038 | 0.3019 | -0.0042 |
| Gy | 0.5951 | 0.5947 | 0.0004 | 0.5953 | -0.0002 |
| Bx | 0.1385 | 0.1391 | -0.0006 | 0.1383 | 0.0002 |
| By | 0.1319 | 0.1266 | 0.0053 | 0.1358 | -0.0039 |
| Wx | 0.3236 | 0.3142 | 0.0094 | 0.3336 | -0.0100 |
| Wy | 0.351 | 0.343 | 0.0080 | 0.3579 | -0.0069 |
Table 1 existing flexible liquid crystal panel chromaticity coordinates is with the changes in coordinates table of the thick change of box
| d1＝10.0μm | d1-0.4μm＝9.6μm | Chromaticity coordinates variable quantity △ | d1+0.4μm＝10.4μm | Chromaticity coordinates variable quantity △ | |
| Rx | 0.6585 | 0.6579 | 0.0006 | 0.6591 | -0.0006 |
| Ry | 0.3245 | 0.3244 | 0.0001 | 0.3246 | -0.0001 |
| Gx | 0.2962 | 0.2951 | 0.0011 | 0.2974 | -0.0012 |
| Gy | 0.5949 | 0.5948 | 0.0001 | 0.595 | -0.0001 |
| Bx | 0.1388 | 0.1389 | -0.0001 | 0.1388 | 0.0000 |
| By | 0.1293 | 0.1278 | 0.0015 | 0.1288 | 0.0005 |
| Wx | 0.3201 | 0.3173 | 0.0028 | 0.3229 | -0.0028 |
| Wy | 0.3474 | 0.3451 | 0.0023 | 0.3488 | -0.0014 |
In table 2 the utility model embodiment, display panel chromaticity coordinates is with the changes in coordinates table of the thick change of box
Adopt the flexible liquid crystal panel that the utility model embodiment provides, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change that flexible liquid crystal panel is subject to the phasic difference that the thick change of box causes is less, that is, the difference that flexible liquid crystal panel bending region in the utility model embodiment occurs with the phasic difference difference more existing flexible liquid crystal panel in the region that deformation does not occur is less, picture homogeneity is better, and thus display frame has higher picture quality.
The utility model embodiment still provides a kind of flexible liquid crystal display, comprises the flexible liquid crystal panel in preceding solution.
Adopt the flexible liquid crystal display of the flexible liquid crystal panel in preceding solution, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change that flexible liquid crystal panel is subject to the phasic difference that the thick change of box causes is less, that is, the difference that flexible liquid crystal panel bending region in the utility model embodiment occurs with the phasic difference difference more existing flexible liquid crystal panel in the region that deformation does not occur is less, picture homogeneity is better, thus the flexible liquid crystal display display frame that the utility model embodiment provides has higher picture quality.
The utility model embodiment still provides a kind of wearable device, comprises the flexible liquid crystal panel in preceding solution.The particular type of wearable device is not limit, such as, can be Intelligent spire lamella, intelligent watch etc.
Adopt the wearable device of the flexible liquid crystal panel in preceding solution, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change that flexible liquid crystal panel is subject to the phasic difference that the thick change of box causes is less, picture homogeneity is better, and the wearable device display frame that thus the utility model embodiment provides has higher picture quality.
The utility model embodiment provides a kind of method for making of flexible liquid crystal panel, as shown in Figure 5, comprises the steps:
Step S101, form the first flexible base, board;
Step S102, form the second flexible base, board;
Step S103, on the first flexible base, board dispenser method, the second flexible base, board is coated with sealed plastic box, the birefraction Δ n of liquid crystal
1< 0.045;
Step S104, by the first flexible base, board and the second flexible base, board to box, form the thick d of box of liquid crystal layer
1> 8 μm, and meet formula: Δ n
1* d
1=λ
0, λ
0for phasic difference when flexible liquid crystal panel does not produce deformation, and it is setting constant.
The flexible liquid crystal panel of the method for making making of the flexible liquid crystal panel adopting the utility model embodiment of the method to provide, compared to existing technology, when flexible liquid crystal panel generation same degree bending, the change that flexible liquid crystal panel is subject to the phasic difference that the thick change of box causes is less, picture homogeneity is better, and the flexible liquid crystal panel that thus the utility model embodiment method for making is produced has the display frame of more high-quality.
The method for making of the flexible liquid crystal panel that the utility model embodiment of the method provides also comprises: the birefraction Δ n of liquid crystal in liquid crystal layer
1meet: 0.018 < Δ n
1< 0.045.
The method for making of the flexible liquid crystal panel that the utility model embodiment of the method provides also comprises: the thickness d of liquid crystal layer
1meet: 8 μm of < d
1< 20 μm.
The method for making of the flexible liquid crystal panel that the utility model embodiment of the method provides also comprises: the birefraction Δ n of liquid crystal
1=0.0354, the thickness d of described liquid crystal layer
1=10 μm.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (6)
1. a flexible liquid crystal panel, is characterized in that, comprising: the first flexible base, board arrange box and the second flexible base, board, and the liquid crystal layer between described first flexible base, board and described second flexible base, board, the birefraction Δ n of liquid crystal in liquid crystal layer
1< 0.045, the thick d of box of liquid crystal layer
1>8 μm, and meet formula: Δ n
1* d
1=λ
0, wherein, λ
0for phasic difference when flexible liquid crystal panel does not produce deformation, and it is setting constant.
2. flexible liquid crystal panel as claimed in claim 1, is characterized in that, the birefraction Δ n of liquid crystal in described liquid crystal layer
1meet: 0.018 < Δ n
1< 0.045.
3. flexible liquid crystal panel as claimed in claim 1, is characterized in that, the thick d of box of described liquid crystal layer
1meet: 8 μm of < d
1< 20 μm.
4. flexible liquid crystal panel as claimed in claim 1, is characterized in that, the birefraction Δ n of liquid crystal in described liquid crystal layer
1=0.0354, the thick d of box of described liquid crystal layer
1=10 μm.
5. a flexible liquid crystal display, is characterized in that, comprises the flexible liquid crystal panel as described in any one of Claims 1 to 4.
6. a wearable device, is characterized in that, comprises the flexible liquid crystal panel as described in any one of Claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749279.3U CN204945554U (en) | 2015-09-24 | 2015-09-24 | Flexible liquid crystal panel, flexible liquid crystal display and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749279.3U CN204945554U (en) | 2015-09-24 | 2015-09-24 | Flexible liquid crystal panel, flexible liquid crystal display and wearable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204945554U true CN204945554U (en) | 2016-01-06 |
Family
ID=55012965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520749279.3U Withdrawn - After Issue CN204945554U (en) | 2015-09-24 | 2015-09-24 | Flexible liquid crystal panel, flexible liquid crystal display and wearable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204945554U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182586A (en) * | 2015-09-24 | 2015-12-23 | 京东方科技集团股份有限公司 | Flexible liquid crystal display panel, display, wearable device and method for producing display panel |
-
2015
- 2015-09-24 CN CN201520749279.3U patent/CN204945554U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105182586A (en) * | 2015-09-24 | 2015-12-23 | 京东方科技集团股份有限公司 | Flexible liquid crystal display panel, display, wearable device and method for producing display panel |
| WO2017049850A1 (en) * | 2015-09-24 | 2017-03-30 | 京东方科技集团股份有限公司 | Flexible liquid crystal display panel, display, wearable device and panel manufacturing method |
| CN105182586B (en) * | 2015-09-24 | 2018-12-11 | 京东方科技集团股份有限公司 | Flexible liquid crystal panel, display, wearable device and panel making method |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20181211 |
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| AV01 | Patent right actively abandoned |