CN202583501U - Polaroid and liquid crystal display device - Google Patents
Polaroid and liquid crystal display device Download PDFInfo
- Publication number
- CN202583501U CN202583501U CN 201220199609 CN201220199609U CN202583501U CN 202583501 U CN202583501 U CN 202583501U CN 201220199609 CN201220199609 CN 201220199609 CN 201220199609 U CN201220199609 U CN 201220199609U CN 202583501 U CN202583501 U CN 202583501U
- Authority
- CN
- China
- Prior art keywords
- polaroid
- liquid crystal
- wide viewing
- viewing angle
- compensate film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Liquid Crystal (AREA)
Abstract
The utility model relates to a polaroid which comprises a polaroid substrate and a first wide viewing angle compensation film and a second wide viewing angle compensation film which are sequentially arranged on the polaroid substrate. The first wide viewing angle compensation film comprises a dishing molecular layer. A preset included angle is arranged between dishing molecules of the dishing molecular layer and the polaroid substrate. A liquid crystal display device adopting the polaroid is further disclosed. The polaroid can improve brightness evenness and expand view angle under the circumstance that the corresponding liquid crystal display device is in the bright state.
Description
Technical field
The utility model relates to a kind of polaroid and the liquid crystal indicator that adopts this polaroid.
Background technology
Advantages such as that liquid crystal indicator has is frivolous, power saving and low radiation have been widely used in various information, communication and the consumer products.Because the characteristic requirements to liquid crystal indicator improves constantly now; Particularly (its method for measurement is that panel is under black and white voltage decided at the higher level but not officially announced to the contrast of display panels; The ratio of white picture brightness and black picture brightness), its value improves constantly, and has become the important indicator of display panels performance.
The brightness of liquid crystal indicator, homogeneity and visual angle are its important quality standards.In the prior art, brightness and the visual angle problem of the compensate film through having dish shape molecular layer under can some bright attitude situation of suitable compensation liquid crystal indicator.
Yet; In passive-matrix vertical orientation (PM-VA) type liquid crystal panel; The main at present compensate film through C-plate compensates; The mode that perhaps combines through C-Plate and A-Plate compensates because with great visual angle down, the delay that the liquid crystal molecule homeotropic alignment produces and descend the optical delay of the nonopiate generation of polaroid with great visual angle.
Though existing technology has solved the light leak under the dark attitude situation through compensation; But during bright attitude, because liquid crystal molecule is arranged facing one direction, bright attitude transmitance is lower equally down with great visual angle; And be prone to produce gray-scale inversion; Cause the visual angle still narrower, steepness is very poor, is prone to the problem of ghost and gray-scale inversion.
The utility model content
The utility model provides a kind of polaroid; Comprise polaroid basic unit and be arranged on the first wide viewing angle compensate film and the second wide viewing angle compensate film in the said polaroid basic unit in regular turn; The said first wide viewing angle compensate film comprises dish shape molecular layer, has tilt angle between the dish shape molecule of said dish shape molecular layer and the said polaroid basic unit.
According to a preferred embodiment of the utility model, the scope of said tilt angle is the 5-25 degree.
According to a preferred embodiment of the utility model, said tilt angle is 15.6 degree.
According to a preferred embodiment of the utility model, the said first wide viewing angle compensate film is a C-type compensate film.
According to a preferred embodiment of the utility model, said polaroid basic unit comprises the polyvinyl alcohol film and the triacetate cellulose membrane film of range upon range of setting.
According to a preferred embodiment of the utility model, the said second wide viewing angle compensate film A-type compensate film.
According to a preferred embodiment of the utility model, said polaroid also comprises the diaphragm that is arranged on said polaroid basic unit.
According to a preferred embodiment of the utility model, said polaroid also comprises the pressure-sensitive adhesive layer that is arranged on the said second wide viewing angle compensate film.
According to a preferred embodiment of the utility model, said polaroid also comprises the mould release membrance that is arranged on the said pressure-sensitive adhesive layer.
The utility model also provides a kind of liquid crystal indicator; Comprise passive-matrix vertical orientation (PM-VA) type liquid crystal panel and be arranged on the surperficial polaroid of said passive-matrix vertical orientation (PM-VA) type liquid crystal panel; Said polaroid comprises polaroid basic unit and is arranged on the first wide viewing angle compensate film and the second wide viewing angle compensate film in the said polaroid basic unit in regular turn; The said first wide viewing angle compensate film comprises dish shape molecular layer, has tilt angle between the dish shape molecule of said dish shape molecular layer and the said polaroid basic unit.
Compared to prior art; The liquid crystal indicator of the utility model has the following advantages: the first wide viewing angle compensate film of said first polaroid is set to C-type compensate film; And the tilt angle between the disklike molecule layer of the said first wide viewing angle compensate film and the said polaroid basic unit is set to the 5-25 degree; Can be when said liquid crystal indicator be shown as bright attitude; Compensate the delay of the light phase place that the inclination of the liquid crystal molecule of said liquid crystal panel produces, improve the problem that the brightness of said liquid crystal indicator on some special angle descends, improve the angular field of view of said liquid crystal indicator and reduce the generation of gray-scale inversion phenomenon.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model liquid crystal indicator.
Fig. 2 is the structure for amplifying synoptic diagram of the polaroid in the liquid crystal indicator shown in Figure 1.
Fig. 3 is the partial structurtes enlarged diagram of the dish shape molecular layer in the polaroid shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
See also Fig. 1, Fig. 1 is the structural representation of the utility model liquid crystal indicator one embodiment.This liquid crystal indicator 100 comprises one first polaroid 1, a liquid crystal panel 2 and one second polaroid 3 that is cascading.
Wherein, said liquid crystal panel 2 comprises one first substrate 21, a liquid crystal layer 22 and one second substrate 23 of sandwich structure.Said liquid crystal panel 2 is passive-matrix vertical orientation (PM-VA) type liquid crystal panel, and the liquid crystal molecule in the said liquid crystal layer 22 adopts vertical alignment mode.Said liquid crystal panel 2 also can be called liquid crystal cell.
Please consult Fig. 2 simultaneously, Fig. 2 is the structural representation of first polaroid 1 among Fig. 1.This first polaroid 1 comprises a protective seam 11, a polaroid basic unit 12, one first wide viewing angle compensate film 13, one second wide viewing angle compensate film 14 and a pressure-sensitive adhesive layer 15 of range upon range of setting in regular turn; Before said first polaroid 1 is not attached on said first substrate 21, on the said pressure-sensitive adhesive layer 15 mould release membrance 16 can also be set.
Further; Said polaroid basic unit 12 can comprise the polyvinyl alcohol (PVA) (Polyvinylalcohol of range upon range of setting; PVA) film 121 and triacetate fiber (Triacetyl-cellulose, TAC) film 122, said polyvinyl alcohol film 121 has the polarisation effect; Said triacetate cellulose membrane 122 has certain toughness and ductility, for said polaroid basic unit 12 provides toughness preferably.
Said protective seam 11 generally is positioned at the side towards the user, to protect said polaroid basic unit 12 not damaged by exterior object.
Please consult Fig. 3 simultaneously, Fig. 3 be the said first wide viewing angle compensate film 13 with the partial structurtes enlarged diagram of said polaroid basic unit 12 simultaneously.The said first wide viewing angle compensate film 13 comprises a dishful of shape molecular layer 131, thereby the effect of display view angle is realized enlarging in the visual angle that the dish shape molecule in the said dish shape molecular layer 131 is arranged the emergent light of compensation liquid crystal panel 2 according to certain rules.Said in the present embodiment dish shape molecular layer 131 is a C-type compensate film, that is, the refractive index of three main shafts of said dish shape molecular layer 131 is respectively n
x, n
yAnd n
z, and satisfy n
z>n
x=n
y
Said dish shape molecular layer 131 is the oblique arrangement structure, that is, there is a tilt angle A in the plane at dish shape molecules align direction in the said dish shape molecular layer 131 and said polaroid basic unit 12 places, and the angular range of said tilt angle A is the 5-25 degree, is preferably 15.6 degree.
Further, the said first wide viewing angle compensate film 13 can also comprise basic unit's (figure does not show) of carrying said dish shape molecular layer 131 and be the both alignment layers structures such as (figure do not show) that said dish shape molecular layer 131 carries out the tilt angle configuration, not do at this and give unnecessary details.
The said second wide viewing angle compensate film 14 has similar structure with the said first wide viewing angle compensate film 13; Also comprise structures such as dish shape molecular layer, basic unit, both alignment layers; Repeat no more at this; Itself and the said first wide viewing angle compensate film, 13 differences are that the said second wide viewing angle compensate film 14 is an A-type compensate film, and the refractive index of three main shafts of the dish shape molecular layer of the promptly said second wide viewing angle compensate film 14 is respectively n
x, n
yAnd n
z, and satisfy n
x>n
y=n
z
Said pressure-sensitive adhesive layer 14 is processed for the pressure sensitive jointing material, and said mould release membrance 16 is used for isolating, the said pressure-sensitive adhesive layer 14 of protection.After said mould release membrance 16 tears off from said pressure-sensitive adhesive layer 14, can said first polaroid 1 be bonded in the surface of said first substrate 21 through the pressure-sensitive adhesion effect of said pressure-sensitive adhesive layer 14 through the mode of exerting pressure from said protective seam 11 1 sides.
Said second polaroid 6 has same or analogous structure, effect and method of application with said first polaroid 1, does not do at this and gives unnecessary details.
Compared to prior art; The liquid crystal indicator 100 of the utility model has the following advantages: the first wide viewing angle compensate film 13 of said first polaroid 1 is provided with C-type compensate film; And the tilt angle A between the disklike molecule layer 131 of the said first wide viewing angle compensate film 13 and the said polaroid basic unit 12 is set to the 5-25 degree; Can be when said liquid crystal indicator 100 be shown as bright attitude; Compensate the delay of the light phase place that the inclination of the liquid crystal molecule of said liquid crystal panel 2 produces, improve the problem that the brightness of said liquid crystal indicator 100 on wide-angle descends, improve the angular field of view of said liquid crystal indicator 100 and reduce the generation of gray-scale inversion phenomenon.
In the above-described embodiments, only the utility model has been carried out exemplary description, but those skilled in the art can carry out various modifications to the utility model after reading present patent application under the situation of spirit that does not break away from the utility model and scope.
Claims (10)
1. polaroid; Comprise polaroid basic unit and be arranged on the first wide viewing angle compensate film and the second wide viewing angle compensate film in the said polaroid basic unit in regular turn; It is characterized in that; The said first wide viewing angle compensate film comprises dish shape molecular layer, tool tilt angle between the dish shape molecule of said dish shape molecular layer and the said polaroid basic unit.
2. polaroid as claimed in claim 1 is characterized in that, the scope of said tilt angle is the 5-25 degree.
3. polaroid as claimed in claim 2 is characterized in that, said tilt angle is 15.6 degree.
4. polaroid as claimed in claim 1 is characterized in that, the said first wide viewing angle compensate film is a C-type compensate film.
5. polaroid as claimed in claim 1 is characterized in that, said polaroid basic unit comprises the polyvinyl alcohol film and the triacetate cellulose membrane film of range upon range of setting.
6. polaroid as claimed in claim 1 is characterized in that, the said second wide viewing angle compensate film is an A-type compensate film.
7. polaroid as claimed in claim 1 is characterized in that, said polaroid also comprises the diaphragm that is arranged in the said polaroid basic unit.
8. polaroid as claimed in claim 1 is characterized in that, said polaroid also comprises the pressure-sensitive adhesive layer that is arranged on the said second wide viewing angle compensate film.
9. polaroid as claimed in claim 8 is characterized in that said polaroid also comprises the mould release membrance that is arranged on the said pressure-sensitive adhesive layer.
10. liquid crystal indicator; Comprise passive-matrix vertical orientation (PM-VA) type liquid crystal panel and be arranged on the surperficial polaroid of said passive-matrix vertical orientation (PM-VA) type liquid crystal panel; It is characterized in that said polaroid is like any described polaroid among the claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220199609 CN202583501U (en) | 2012-05-07 | 2012-05-07 | Polaroid and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220199609 CN202583501U (en) | 2012-05-07 | 2012-05-07 | Polaroid and liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202583501U true CN202583501U (en) | 2012-12-05 |
Family
ID=47252901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220199609 Expired - Lifetime CN202583501U (en) | 2012-05-07 | 2012-05-07 | Polaroid and liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202583501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048725A (en) * | 2012-12-25 | 2013-04-17 | 深超光电（深圳）有限公司 | Polarizer and method for manufacturing polarizer |
| CN104049294A (en) * | 2014-06-09 | 2014-09-17 | 上海和辉光电有限公司 | Polaroid structure, display panel and manufacturing method of polaroid |
-
2012
- 2012-05-07 CN CN 201220199609 patent/CN202583501U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103048725A (en) * | 2012-12-25 | 2013-04-17 | 深超光电（深圳）有限公司 | Polarizer and method for manufacturing polarizer |
| CN103048725B (en) * | 2012-12-25 | 2016-05-18 | 深超光电（深圳）有限公司 | Polaroid and manufacture the method for this polaroid |
| CN104049294A (en) * | 2014-06-09 | 2014-09-17 | 上海和辉光电有限公司 | Polaroid structure, display panel and manufacturing method of polaroid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101397702B1 (en) | Polarizing plate and liquid crystal display comprising the same | |
| JP6048297B2 (en) | Optical laminated body and display device using the same | |
| WO2007046203A1 (en) | Liquid crystal panel and liquid crystal display device | |
| US20160062015A1 (en) | Polarizer, display panel and forming method thereof | |
| KR20170020452A (en) | Polarizer, polarizer plate with adhesive, and image display device | |
| CN103913887A (en) | Liquid crystal display device with wide-viewing angle | |
| CN106054460A (en) | Display and electronic unit | |
| CN105629580A (en) | Liquid crystal display panel and device | |
| CN101261397A (en) | Polarizer and LCD device | |
| US20160062173A1 (en) | Display device | |
| CN104280811A (en) | Polaroid, liquid crystal panel and liquid crystal display | |
| CN202583655U (en) | Liquid crystal display panel and liquid crystal display device | |
| CN104122703A (en) | Liquid crystal display device, manufacturing method thereof and electronic device | |
| CN202693957U (en) | Liquid crystal display panel and liquid crystal display device | |
| CN202583501U (en) | Polaroid and liquid crystal display device | |
| CN106896567A (en) | A kind of polaroid and display device | |
| EP4102491A1 (en) | Partially curved or foldable display device and manufacturing method therefor | |
| US20160306081A1 (en) | Prism film, method for manufacturing the prism film, and liquid crystal display device | |
| US20200132901A1 (en) | Display module and polarizer thereof | |
| JP2018500604A (en) | Liquid crystal display | |
| CN101726784A (en) | Polaroid and liquid crystal display using same | |
| JP2012145732A (en) | Liquid crystal panel and liquid crystal display device | |
| CN104536205A (en) | Liquid crystal displayer | |
| CN109343255A (en) | Liquid crystal touch control screen and its manufacturing method | |
| CN100520523C (en) | Optical diaphragm assembly back light module and liquid crystal display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |