CN202677032U - Liquid crystal panel and liquid crystal display - Google Patents
Liquid crystal panel and liquid crystal display Download PDFInfo
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- CN202677032U CN202677032U CN 201220336842 CN201220336842U CN202677032U CN 202677032 U CN202677032 U CN 202677032U CN 201220336842 CN201220336842 CN 201220336842 CN 201220336842 U CN201220336842 U CN 201220336842U CN 202677032 U CN202677032 U CN 202677032U
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Abstract
The utility model provides a liquid crystal panel and a liquid crystal display. The liquid crystal panel comprises a first substrate and a second substrate, wherein the first substrate and the second substrate are oppositely arranged; a liquid crystal layer is arranged between the first substrate and the second substrate; the second substrate is provided with a plurality of third electrodes; and the first substrate is provided with a plurality of first strip-shaped electrodes and a plurality of second strip-shaped electrodes at an interval. Because the third electrode is added, a composite electric field in which a horizontal electric field and a vertical electric field mutually act is formed, and liquid crystal molecules are in multi-domain arrangement in the composite electric field to enlarge a visual angle.
Description
Technical field
The utility model relates to field of liquid crystal display, relates in particular to a kind of liquid crystal panel and liquid crystal display.
Background technology
Liquid crystal display (LCD) is widely used in the electronic equipments such as computing machine and televisor.Form the direction classification according to electric field, LCD can be divided into vertical electric field type: such as twisted-nematic (Twisted Nematic is called for short TN) type; Horizontal electric field type: such as plane conversion (In-Plane Switching, be called for short IPS) type, when it is in off working state as shown in Figure 1, when in running order as shown in Figure 2, fringing field change-over switch type (Fringe Field Switching is called for short FFS).Main flow is the liquid crystal display of horizontal electric field type at present, and the horizontal electric field type liquid crystal display can obtain faster response speed than the liquid crystal display of vertical electric field type.
But no matter be above-mentioned horizontal component of electric field or vertical electric field type liquid crystal display, because direction of an electric field is single direction, therefore liquid crystal molecule all can be along direction of an electric field deflection under electric field action, so the yawing moment of liquid crystal molecule reaches unanimity, and causes the visual angle of display panels narrower.
The utility model content
The utility model provides a kind of liquid crystal panel and liquid crystal display, is used for increasing the visual angle of liquid crystal panel and liquid crystal display.
For solving the problems of the technologies described above, embodiment of the present utility model provides a kind of liquid crystal panel, comprise: the first substrate that is oppositely arranged and second substrate, be provided with liquid crystal layer between described first substrate and the second substrate, be provided with a plurality of third electrodes on the described second substrate; Be arranged at intervals with the first electrode and second electrode of a plurality of strips on the described first substrate.
In the described liquid crystal panel, the width of described the second electrode is less than the width of the first electrode.
In the described liquid crystal panel, the width of described the second electrode be the first electrode width 1/5 ~ 1/2.
In the described liquid crystal panel, described third electrode is the slit-shaped electrode.
In the described liquid crystal panel, slit and the first electrode between the adjacent described third electrode are oppositely arranged, and the width of described slit is identical with the width of the first electrode.
In the described liquid crystal panel, described third electrode is plane electrode.
In the described liquid crystal panel, be provided with alignment films on described first substrate and the second substrate, described alignment films is vertical alignment layer.
In the described liquid crystal panel, be applied with reference voltage on described the second electrode, the magnitude of voltage that applies on the magnitude of voltage that applies on described the first electrode and the described third electrode is symmetrical with respect to the magnitude of voltage of described the second electrode.
A kind of liquid crystal display comprises liquid crystal panel, and liquid crystal panel comprises: the first substrate that is oppositely arranged and second substrate, be provided with liquid crystal layer between described first substrate and the second substrate, and be provided with a plurality of third electrodes on the described second substrate; Be arranged at intervals with the first electrode and second electrode of a plurality of strips on the described first substrate.
The width of described the second electrode is less than the width of the first electrode.
In the described liquid crystal display, the width of described the second electrode be the first electrode width 1/5 ~ 1/2.
In the described liquid crystal display, described third electrode is the slit-shaped electrode.
In the described liquid crystal display, slit and the first electrode between the adjacent described third electrode are oppositely arranged, and the width of described slit is identical with the width of the first electrode.
In the described liquid crystal display, described third electrode is plane electrode.
In the described liquid crystal display, be provided with alignment films on described first substrate and the second substrate, described alignment films is vertical alignment layer.
In the described liquid crystal display, be applied with reference voltage on the second electrode, the magnitude of voltage that applies on the magnitude of voltage that applies on described the first electrode and the described third electrode is symmetrical with respect to the magnitude of voltage of described the second electrode.
The beneficial effect of technique scheme of the present utility model is as follows: owing to increased third electrode, form horizontal component of electric field and the coefficient compound field of vertical electric field, liquid crystal molecule presents multidomain in this compound field arranges, and has increased the visual angle.
Description of drawings
Fig. 1 is the synoptic diagram that liquid crystal panel is in off working state in the existing IPS technology of the utility model;
Fig. 2 is the in running order synoptic diagram of liquid crystal panel in the existing IPS technology of the utility model;
Fig. 3 is the synoptic diagram that the utility model embodiment liquid crystal panel is in off working state;
Fig. 4 is the utility model embodiment liquid crystal panel internal electric field direction synoptic diagram;
Fig. 5 is the in running order synoptic diagram of the utility model embodiment liquid crystal panel;
1, first substrate
2, second substrate
3, insulation course
4, liquid crystal molecule
5, vertical alignment layer
6, the first electrodes
7, the second electrodes
8, third electrode
9, the first electric field regions
10, the second electric field regions
11, the three electric field regions
12, the four electric field regions.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model embodiment provides a kind of liquid crystal panel, comprising:
The first substrate 1 and the second substrate 2 that are oppositely arranged are provided with liquid crystal layer between described first substrate 1 and the second substrate 2, are provided with a plurality of third electrodes 8 on the described second substrate 2;
Be arranged at intervals with the first electrode 6 and second electrode 7 of a plurality of strips on the described first substrate 1.
Among the utility model embodiment, increase third electrode 8, made the compound field that forms horizontal component of electric field and vertical electric field formation between the first electrode 6, the second electrode 7 and the third electrode 8, made liquid crystal molecule 4 present multidomain along direction of an electric field and arrange, increased the visual angle.
Preferably, the width of the second electrode 7 be the first electrode 6 width 1/5 ~ 1/2.
By reducing the width of the second electrode 7, can make liquid crystal molecule 4 realize obtaining preferably transmitance when multidomain is arranged.
Preferably, third electrode 8 is plane electrode.
Preferably, third electrode 8 is the slit-shaped electrode.
Preferably, third electrode 8 is the slit-shaped electrode, and the slit between the adjacent third electrode 8 and the first electrode 6 are oppositely arranged, and the width of described slit is identical with the width of the first electrode 6.
Particularly, also be provided with vertical alignment layer 5 on first substrate 1 and the second substrate 2, be used for carrying out vertical orientated to liquid crystal molecule.Preferably, the voltage that applies on the second electrode 7 is as reference voltage, and the voltage that applies on the voltage that applies on the first electrode 6 and the third electrode 8 is with respect to the voltage symmetry that applies on the second electrode 7.
As shown in Figure 3, formed a slit between two adjacent third electrodes 8, slit and the first electrode 6 are oppositely arranged, and basically identical with the width of the first electrode 6.
In a preferred embodiment, be provided with alignment films on first substrate 1 and the second substrate 2, described alignment films is vertical alignment layer 5, such as polyimide layer (PI layer).
In a preferred embodiment, the voltage that applies on the second electrode 7 is as reference voltage, and the magnitude of voltage that applies on the magnitude of voltage that applies on the first electrode 6 and the third electrode 8 is symmetrical with respect to the magnitude of voltage that applies on the second electrode 7; For example, the voltage of applying for the second electrode 7 is+5V that the voltage of applying for the first electrode 6 is+10V that the voltage of then applying for third electrode 8 is 0V.
As shown in Figure 3, comprising:
The first substrate 1 that is oppositely arranged and second substrate 2, be arranged at intervals with the first electrode 6 and second electrode 7 of a plurality of strips on the first substrate 1, the first electrode 6 and the second electrode 7 can arrange with layer, interval, but also different layers setting, when different layers arranges, play the effect of obstruct between two electrodes by insulation course.Be provided with third electrode 8 on the second substrate 2, be formed with vertical alignment layer 5 on first substrate 1 and the second substrate 2, described vertical alignment layer 5 is used for liquid crystal molecule 4 is orientated.
By increasing third electrode 8, make the compound field that forms horizontal component of electric field and vertical electric field formation between the first electrode 6, the second electrode 7 and the third electrode 8, liquid crystal molecule 4 is orientated along direction of an electric field, the deflection situation of liquid crystal molecule 4 under the compound field effect as shown in Figure 5, as can be seen from the figure, liquid crystal molecule 4 is multidomain under electric field action arranges, and the mode that this kind multidomain is arranged can play the effect that increases the visual angle.
The width of the second electrode 7 is less than the first electrode 6; Preferably, the width of the second electrode 7 be the first electrode 6 width 1/5 ~ 1/2;
The width of the second electrode 7 is set to 1/5 ~ 1/2 of the first electrode 6 width, both can realize forming the effect of horizontal component of electric field, also can improve the transmitance of liquid crystal panel simultaneously.
Be provided with a plurality of third electrodes 8 on the second substrate 2, third electrode 8 is the slit-shaped electrode; On third electrode 8, be formed with vertical alignment layer 5, and the 2nd PI layer has covered each third electrode 8 fully.Aligned employing light orientation in the present embodiment, the multiple product of having avoided friction orientation to produce is bad.
Be filled with liquid crystal layer between the one PI layer and the 2nd PI layer, described liquid crystal layer is negative liquid crystal molecule or positivity liquid crystal molecule, describes as an example of the negative liquid crystal molecule example in the present embodiment.
Wherein, the effect of third electrode 8 is to cooperate with the second electrode 7 from the first electrode 6 and forms different electric field regions, so the concrete shape of third electrode 8 should not be implemented routine described concrete shape and limits; Third electrode 8 can also be plane electrode, describes as an example of the slit-shaped electrode example in the present embodiment.
When in running order, the first electrode 6, the second electrode 7 and third electrode 8 form compound field between two substrates, the direction of the electric field force that the liquid crystal molecule 4 of the zones of different between the two substrates is subject to is different, the yawing moment of liquid crystal molecule 4 is different, thereby realize the multidomain arrangement, as shown in Figure 5, be the negative liquid crystal molecule among the figure, the negative liquid crystal molecule under electric field action perpendicular to direction of an electric field deflection; If replace with the positivity liquid crystal, then liquid crystal molecule under electric field action along direction of an electric field deflection.
As shown in Figure 4, liquid crystal panel is in running order, has formed electric field between two substrates, according to the force-bearing situation of liquid crystal molecule 4 in the zones of different of electric field, electric field is divided into several electric field regions.
In the first electric field region 9, mainly be to have formed electric field by the first electrode 6 with third electrode 8, a little less than the effect of the second electrode 7 in the first electric field region 9, describe for convenient, in the first electric field region 9, can ignore the effect of the second electrode 7.
In the second electric field region 10, mainly be to have formed electric field by the second electrode 7 with third electrode 8, a little less than the effect of the first electrode 6 in the second electric field region 10, describe for convenient, in the second electric field region 10, can ignore the effect of the first electrode 6.
In the 3rd electric field region 11, mainly be to have formed electric field by the second electrode 7 and the first electrode 6, the electric field of third electrode 8 in the 3rd electric field region 11 a little less than, describe for convenient, in the 3rd electric field region 11, can ignore the effect of third electrode 8.
In the 4th electric field region 12, formed electric field by the first electrode 6 with third electrode 8, but because this region distance first electrode 6 and third electrode 8 are all far away, therefore, electric field intensity in the 4th electric field region 12 is weaker than the electric field intensity in the first electric field region 9, and the reverse degree of liquid crystal molecule 4 in the 4th electric field region 12 is lower than the degree of reversing in the first electric field region 9.
As shown in Figure 5, describe as the negative liquid crystal molecule as example take liquid crystal layer, the negative liquid crystal molecule perpendicular to direction of an electric field deflection, comprising under electric field action:
In the first electric field region 9, the negative liquid crystal molecule is subject to the effect of electric field force, and its major axis is perpendicular with the electric wire that sets out from the first electrode 6;
In the second electric field region 10, the negative liquid crystal molecule is subject to the effect of electric field force, and its major axis approaches or presents level; Major axis is perpendicular with the line of electric force that sets out from the second electrode 7;
In the 3rd electric field region 11, the negative liquid crystal molecule is subject to the effect of electric field force, and its major axis is perpendicular with the line of electric force that sets out from the first electrode 6;
In the 4th electric field region 12, because electric field intensity is weaker than the electric field intensity in the first electric field region 9, the degree of deflection of negative liquid crystal molecule in the 4th electric field region 12 is lower than the degree of deflection in the first electric field region 9, therefore its major axis and out of plumb between the line of electric force that the first electrode 6 sets out, its angle is spent less than 90.
The utility model embodiment provides a kind of liquid crystal display, includes liquid crystal panel, and liquid crystal panel comprises:
The first substrate 1 and the second substrate 2 that are oppositely arranged are provided with liquid crystal layer between described first substrate 1 and the second substrate 2, are provided with a plurality of third electrodes 8 on the described second substrate 2;
Be arranged at intervals with the first electrode 6 and second electrode 7 of a plurality of strips on the described first substrate 1.
In the utility model, increased third electrode 8, the first electrode 6, the second electrode 7 and third electrode 8, between form compound field, make the liquid crystal molecule 4 multi-direction deflections that are arranged in electric field, making liquid crystal molecule form multidomain arranges, watch screen can obtain the compensation of respective direction from different angles like this, increased the visual angle; And, adopt the mode of light orientation that liquid crystal layer is orientated, need not to re-use friction orientation technique so that make the process of liquid crystal panel, greatly reduced the product fraction defective that occurs in the friction orientation technological process.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a liquid crystal panel is characterized in that, comprising:
The first substrate that is oppositely arranged and second substrate are provided with liquid crystal layer between described first substrate and the second substrate, are provided with a plurality of third electrodes on the described second substrate;
Be arranged at intervals with the first electrode and second electrode of a plurality of strips on the described first substrate.
2. liquid crystal panel according to claim 1 is characterized in that,
The width of described the second electrode is less than the width of the first electrode.
3. liquid crystal panel according to claim 2 is characterized in that, the width of described the second electrode be the first electrode width 1/5 ~ 1/2.
4. liquid crystal panel according to claim 1 is characterized in that, described third electrode is the slit-shaped electrode.
5. liquid crystal panel according to claim 4 is characterized in that, slit and the first electrode between the adjacent described third electrode are oppositely arranged, and the width of described slit is identical with the width of the first electrode.
6. liquid crystal panel according to claim 1 is characterized in that,
Described third electrode is plane electrode.
7. liquid crystal panel according to claim 1 is characterized in that, is provided with alignment films on described first substrate and the second substrate, and described alignment films is vertical alignment layer.
8. liquid crystal panel according to claim 1 is characterized in that,
Be applied with reference voltage on described the second electrode, the magnitude of voltage that applies on the magnitude of voltage that applies on described the first electrode and the described third electrode is symmetrical with respect to the magnitude of voltage of described the second electrode.
9. a liquid crystal display is characterized in that, comprises the described liquid crystal panel of claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336842 CN202677032U (en) | 2012-07-11 | 2012-07-11 | Liquid crystal panel and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220336842 CN202677032U (en) | 2012-07-11 | 2012-07-11 | Liquid crystal panel and liquid crystal display |
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| CN202677032U true CN202677032U (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220336842 Expired - Lifetime CN202677032U (en) | 2012-07-11 | 2012-07-11 | Liquid crystal panel and liquid crystal display |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216179A (en) * | 2014-09-12 | 2014-12-17 | 东莞通华液晶有限公司 | Ultra-wide-visual-angle and ultrahigh-contrast-ratio liquid crystal display control method and ultra-wide-visual-angle and ultrahigh-contrast-ratio liquid crystal display structure |
| CN104865757A (en) * | 2015-05-22 | 2015-08-26 | 昆山龙腾光电有限公司 | Display panel, display device and view angle control method of display panel |
| CN104898331A (en) * | 2015-06-15 | 2015-09-09 | 武汉华星光电技术有限公司 | Liquid crystal display and liquid crystal display panel in homeotropic alignment mode |
| CN107678201A (en) * | 2017-11-02 | 2018-02-09 | 电子科技大学 | It is a kind of to be emitted the controllable LCD space light modulator of light direction |
| CN107741667A (en) * | 2017-11-02 | 2018-02-27 | 电子科技大学 | A kind of LCD space light modulator |
-
2012
- 2012-07-11 CN CN 201220336842 patent/CN202677032U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104216179A (en) * | 2014-09-12 | 2014-12-17 | 东莞通华液晶有限公司 | Ultra-wide-visual-angle and ultrahigh-contrast-ratio liquid crystal display control method and ultra-wide-visual-angle and ultrahigh-contrast-ratio liquid crystal display structure |
| CN104865757A (en) * | 2015-05-22 | 2015-08-26 | 昆山龙腾光电有限公司 | Display panel, display device and view angle control method of display panel |
| US9983422B2 (en) | 2015-05-22 | 2018-05-29 | Infovision Optoelectronics (Kunshan) Co., Ltd. | LCD panel and LCD and viewing angle control method of LCD panel |
| CN104865757B (en) * | 2015-05-22 | 2019-09-17 | 昆山龙腾光电有限公司 | A kind of method of controlling viewing angle of display panel, display device and display panel |
| CN104898331A (en) * | 2015-06-15 | 2015-09-09 | 武汉华星光电技术有限公司 | Liquid crystal display and liquid crystal display panel in homeotropic alignment mode |
| CN107678201A (en) * | 2017-11-02 | 2018-02-09 | 电子科技大学 | It is a kind of to be emitted the controllable LCD space light modulator of light direction |
| CN107741667A (en) * | 2017-11-02 | 2018-02-27 | 电子科技大学 | A kind of LCD space light modulator |
| CN107678201B (en) * | 2017-11-02 | 2020-06-30 | 电子科技大学 | Liquid crystal spatial light modulator with controllable emergent light direction |
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Granted publication date: 20130116 |
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