CN202693962U - Blue-phase liquid crystal panel and display device - Google Patents
Blue-phase liquid crystal panel and display device Download PDFInfo
- Publication number
- CN202693962U CN202693962U CN 201220372131 CN201220372131U CN202693962U CN 202693962 U CN202693962 U CN 202693962U CN 201220372131 CN201220372131 CN 201220372131 CN 201220372131 U CN201220372131 U CN 201220372131U CN 202693962 U CN202693962 U CN 202693962U
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- blue
- phase liquid
- electrode
- shaped electric
- 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
Abstract
The utility model discloses a blue-phase liquid crystal panel and a display device, which relate to the field of design and manufacturing of a liquid crystal panel and are used for providing a transflective blue-phase liquid crystal panel thick to a single box and simplifying process difficulty. The blue-phase liquid crystal panel comprises a first substrate, a second substrate, a blue-phase liquid crystal layer, grid lines, data lines and strip-shaped electrodes, wherein the first substrate and the second substrate are formed in a paired box manner, the blue-phase liquid crystal layer is positioned between the two substrates, the grid lines are positioned at the inner side of the first substrate, the data lines and the grid lines are arranged in a staggered manner, the strip-shaped electrodes are positioned in pixel regions limited by the grid lines and the data lines, the blue-phase liquid crystal panel is thick to the single box, each pixel region comprises a transmitting region and a reflecting region, the distance between adjacent strip-shaped electrodes positioned in the transmitting region at the same layer is smaller than the distance between adjacent strip-shaped electrodes positioned in the reflecting region, so that phase delay quantities generated by light rays of the transmitting region and the reflecting region of the same pixel region through the blue-phase liquid crystal layer are same.
Description
Technical field
The utility model relates to the design and manufacture field of a kind of liquid crystal panel, display device, relates in particular to a kind of Transflective blue-phase liquid crystal panel and display device.
Background technology
According to the difference that adopts light source type, liquid crystal indicator can be divided into three kinds of transmission-type, reflective and Transflectives.Wherein, transmitting/reflecting LCD has the advantage of transmission-type and reflective LCD device concurrently, therefore is widely used in the display device of electronic product.
In order to promote the display quality of liquid crystal display, realize higher contrast, faster response time and the wider visual angle of watching, the blue phase liquid crystal material with rapid answer characteristic comes into one's own gradually.Indigo plant is a kind of a kind of liquid crystal phase between isotropic phase and cholesteric phase mutually, and the temperature range of its existence is very narrow, approximately only has 1 ℃ temperature range.But discovered in recent years exists temperature range greatly to widen through polymer-stabilized later blue phase liquid crystal, substantially can satisfy the serviceability temperature scope as liquid crystal display material.
Blue phase liquid crystal display has following characteristics as the ergastic display of future generation of tool: it is large that (1) blue phase liquid crystal display has an angle of visibility, the dark good characteristics of attitude.(2) compole is short during the theoretical response of blue phase liquid crystal display, can reach below the Millisecond.(3) blue phase liquid crystal display does not need other the necessary oriented layer of various liquid crystal display, thereby has reduced manufacturing cost, has simplified manufacturing process.
But existing Transflective blue phase liquid crystal display generally adopts the structure of dual-box thick, and is consistent with the phase-delay quantity that guarantees transmission area and echo area, but the technology difficulty of the display of making dual-box thick structure is larger.
The utility model content
Embodiment of the present utility model provides a kind of blue-phase liquid crystal panel and display device, in order to provide single box thick Transflective blue-phase liquid crystal panel, to simplify the difficulty of technique.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
On the one hand, the utility model provides a kind of blue-phase liquid crystal panel, comprise: to first substrate and the second substrate of box moulding, and be positioned at blue phase liquid crystal layer between two substrates, also comprise: the grid line that is positioned at described first substrate inboard, with described grid line data line arranged in a crossed manner, be positioned at the strip shaped electric poles of the pixel region that described grid line and described data line limit;
Described blue-phase liquid crystal panel is that single box is thick, and described pixel region is divided into transmission area and echo area; The spacing of the adjacent strip shaped electric poles that is positioned at described transmission area of same layer is less than the spacing of the adjacent strip shaped electric poles that is positioned at described echo area, so that the light of the transmission area of same pixel region, echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces.
On the other hand, a kind of blue-phase liquid crystal panel comprises: to first substrate and the second substrate of box moulding, and be positioned at blue phase liquid crystal layer between two substrates, also comprise: be positioned at the grid line of described first substrate inboard, with described grid line the first data line, the second data line arranged in a crossed manner; The pixel region that is limited by described grid line and described the first data line, the second data line is divided into transmission area and echo area;
Described blue-phase liquid crystal panel is that single box is thick, described blue-phase liquid crystal panel also comprises: be positioned at the public electrode of described pixel region, second pixel electrode that arranges with layer with described the first pixel electrode that is positioned at the first pixel electrode of described transmission area and is positioned at described echo area; Described public electrode comprises a plurality of strip shaped electric poles, and/or described pixel electrode comprises a plurality of strip shaped electric poles; The adjacent strip electrode separation that is positioned at transmission area of same layer is identical with the adjacent strip shaped electric poles that is positioned at the echo area; In the energising situation, apply different voltages to the first pixel electrode, the second pixel electrode respectively by the first data line, the second data line, so that be positioned at the first pixel electrode of same pixel region and the pressure reduction between public electrode greater than the pressure reduction between the second pixel electrode and public electrode, so that the light of transmission area and echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces.
Another aspect, the utility model embodiment also provides a kind of display device, comprises above-mentioned arbitrary blue-phase liquid crystal panel.
Transflective blue-phase liquid crystal panel and display device that the utility model provides, wherein, blue-phase liquid crystal panel is that single box is thick, and by with the spacing of the adjacent strip shaped electric poles that is positioned at transmission area of the same layer spacing less than the adjacent strip shaped electric poles that is positioned at the echo area; Perhaps, equal the spacing of the adjacent strip shaped electric poles of echo area by the spacing with the adjacent strip shaped electric poles that is positioned at transmission area of same layer, and when energising, be positioned at the first pixel electrode of same pixel region and the pressure reduction between public electrode greater than the pressure reduction between the second pixel electrode and public electrode; So that the light of transmission area and echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces, thereby realize the Presentation Function of the thick Transflective blue-phase liquid crystal panel of single box; Because what adopt in the utility model is the thick structure of single box, so can simplify the difficulty of manufacture craft.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of Transflective blue-phase liquid crystal panel that Fig. 1 provides for the utility model when making alive not;
Fig. 2 is the structural representation of Transflective blue-phase liquid crystal panel when applying voltage shown in Figure 1;
Fig. 3 is the structural representation of dot structure in the Transflective blue-phase liquid crystal panel shown in Figure 1;
The structural representation of another Transflective blue-phase liquid crystal panel that Fig. 4 provides for the utility model when making alive not;
Fig. 5 is the structural representation of Transflective blue-phase liquid crystal panel when applying voltage shown in Figure 4;
Fig. 6 is the structural representation of dot structure in the Transflective blue-phase liquid crystal panel shown in Figure 4;
The structural representation of another Transflective blue-phase liquid crystal panel that Fig. 7 provides for the utility model when making alive not;
Fig. 8 is the structural representation of Transflective blue-phase liquid crystal panel when applying voltage shown in Figure 7;
Fig. 9 is the structural representation of dot structure in the Transflective blue-phase liquid crystal panel shown in Figure 7;
The structural representation of a kind of Transflective blue-phase liquid crystal panel that Figure 10 provides for the utility model when making alive not;
Figure 11 is the structural representation of Transflective blue-phase liquid crystal panel when applying voltage shown in Figure 10;
Figure 12 is the structural representation of dot structure in the Transflective blue-phase liquid crystal panel shown in Figure 10.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to figure 1-Fig. 3, Fig. 7-Fig. 9, the utility model embodiment provides a kind of blue-phase liquid crystal panel, comprise: to first substrate 11 and the second substrate 12 of box moulding, and be positioned at blue phase liquid crystal layer 13 between two substrates, also comprise: the grid line 300 that is positioned at described first substrate inboard, with described grid line data line 301 arranged in a crossed manner, be positioned at the strip shaped electric poles of the pixel region that described grid line and described data line limit;
Described blue-phase liquid crystal panel is that single box is thick, and described pixel region is divided into transmission area and echo area; The spacing of the adjacent strip shaped electric poles that is positioned at described transmission area of same layer is less than the spacing of the adjacent strip shaped electric poles that is positioned at described echo area, so that the light of the transmission area of same pixel region, echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces.It should be noted that all diagrams should be as the restriction of echo area and transmission area shape or size, diagram only is reference.
Wherein, Fig. 1-Fig. 3 is a kind of IPS (In Plane Switch, the transverse electric field effect) liquid crystal panel of type liquid crystal display, Fig. 7-Fig. 9 is that ADS (claims again AD-SDS, Advanced-Super Dimensional Switching, senior super dimension field switch) liquid crystal panel of type liquid crystal display.
Optionally, with reference to figure 1-Fig. 3, the above-mentioned strip shaped electric poles that is positioned at the pixel region that described grid line and described data line limit comprises: be positioned at the pixel region that described grid line and described data line limit and pixel electrode 304 and a public electrode 305 that arranges with layer; Wherein, described pixel electrode 304 comprises a plurality of the first strip shaped electric poles, and described public electrode 305 comprises a plurality of the second strip shaped electric poles, and described the first strip shaped electric poles and described the second strip electrode gap arrange.At this moment, be positioned at the interelectrode spacing of adjacent strip of transmission area less than the spacing of the adjacent strip shaped electric poles that is positioned at the echo area.
In all embodiment of the utility model, arrange at least two kinds of patterns with layer; At least two kinds of patterns refer to layer setting: same film is formed at least two kinds of patterns by composition technique.For example, above-mentioned pixel electrode and the public electrode that arranges with layer refers to: pass through pixel electrode and the public electrode that composition technique forms by same transparent conductive film.Wherein, pixel electrode refers to that the electrode that is connected with data line by switch element (for example, can be thin film transistor (TFT)), public electrode refer to the electrode that is connected with public electrode wire.
Below with reference to Fig. 3, describe in detail for the dot structure that is arranged on the first substrate inboard.Also be provided with thin film transistor (TFT) in the described pixel region, wherein, the grid 303a of thin film transistor (TFT), source electrode 303b and drain electrode 303c are electrically connected respectively described grid line 300, described data line 301 and pixel electrode 304.Public electrode 305 links to each other with the public electrode wire (not shown).Like this in the energising situation, data line 301 can apply voltage to pixel electrode 304 by thin film transistor (TFT) 303, public electrode 305 provides voltage by public electrode wire, so that 305 of pixel electrode 304 and public electrodes produce horizontal component of electric field, to drive blue-phase liquid crystal panel.
Optionally, with reference to figure 7-Fig. 9, the above-mentioned strip shaped electric poles that is positioned at the pixel region that described grid line and described data line limit comprises: be positioned at pixel region that described grid line 300 and described data line 301 limit and upper electrode and the lower electrode of different layer setting; Wherein, described upper electrode comprises a plurality of strip shaped electric poles, and described lower electrode is plate electrode.At this moment, upper electrode is positioned at the interelectrode spacing of adjacent strip of transmission area less than the spacing of the adjacent strip shaped electric poles that is positioned at the echo area.
Optionally, the above-mentioned strip shaped electric poles that is positioned at the pixel region that described grid line and described data line limit comprises: be positioned at upper electrode and lower electrode that pixel region that described grid line and described data line limit and different layer arrange; Wherein, described upper electrode and lower electrode include a plurality of strip shaped electric poles.This liquid crystal panel there is no with reference to the accompanying drawings, but those skilled in the art with reference to figure 7-Fig. 9 can be beyond all doubt the structure of definite this liquid crystal panel.At this moment, upper electrode is positioned at the interelectrode spacing of adjacent strip of transmission area less than the spacing of the adjacent strip shaped electric poles that is positioned at the echo area, and the interelectrode spacing of adjacent strip that lower electrode is positioned at transmission area is also less than the spacing of the adjacent strip shaped electric poles that is positioned at the echo area.
In all embodiment of the utility model, different layer arranges also at least two kinds of patterns, and at least two kinds of different layer settings of pattern refer to that double-layer films forms at least two kinds of patterns by composition technique at least respectively.Refer to for two kinds of different layer settings of pattern, by composition technique, respectively form a kind of pattern by double-layer films.For example, upper electrode and lower electrode that above-mentioned different layer arranges refer to: form lower electrode by the ground floor transparent conductive film by composition technique, pass through composition technique by second layer transparent conductive film and form upper electrode.
In all embodiment of the utility model, upper strata, lower floor define according to the sequencing in the manufacture craft, wherein lower floor refer to the layer that formerly completes, upper strata refer to after the layer that completes.Need to prove, in upper electrode and the lower electrode which as public electrode, which is as pixel electrode, and is relevant with its annexation.If upper strata (lower floor) electrode links to each other with data line by switch element with data line, then upper strata (lower floor) electrode is as pixel electrode, if upper strata (lower floor) electrode is connected with public electrode wire, then upper strata (lower floor) electrode is as public electrode.Among Fig. 7-Fig. 9 be with upper electrode as pixel electrode 304, lower electrode is example as public electrode 305.
Below with reference to Fig. 9, describe in detail for the dot structure that is arranged on the first substrate inboard.Also be provided with thin film transistor (TFT) in the described pixel region, wherein, the grid 303a of thin film transistor (TFT), source electrode 303b and drain electrode 303c are electrically connected respectively described grid line 300, described data line 301 and pixel electrode 304.Public electrode 305 is connected with the public electrode wire (not shown).Like this in the energising situation, data line 301 can apply voltage to pixel electrode 304 by thin film transistor (TFT) 303, public electrode alignment public electrode 305 provides voltage, so that 305 of pixel electrode 304 and public electrodes produce electric field, to drive blue-phase liquid crystal panel.
In all embodiment of the utility model, transmission area refers to the zone that sees through first substrate, blue phase liquid crystal layer and second substrate and penetrate backlight; The echo area refers to be provided with the zone in reflection horizon 31, at the echo area surround lighting through second substrate, blue phase liquid crystal layer to the reflection horizon, after reflective layer reflects, again through blue phase liquid crystal layer, second substrate and penetrate.
In described echo area, the inboard of described first substrate also is provided with reflection horizon 31; And also be provided with insulation course 32 on described reflection horizon 31, described insulation course 32 extends described transmission area and echo area simultaneously; Preferably, greater than the thickness of described insulation course 32 in the echo area, and described insulation course is the thickness in described reflection horizon in the difference of two area thickness to described insulation course 32 at the thickness of transmission area; The blue-phase liquid crystal panel that can guarantee like this to be provided with insulation course is still thick for single box, namely at the blue phase liquid crystal layer consistency of thickness of echo area and transmission area.
Include the blue phase liquid crystal molecule in the above-mentioned blue phase liquid crystal layer, its characteristic is: when not applying voltage, the blue phase liquid crystal molecule has isotropic characteristics; When applying voltage, the blue phase liquid crystal molecule then has birefringent characteristic along a direction, and the blue phase liquid crystal molecule is along the direction orientation of electric field.Because this specific character of above-mentioned blue phase liquid crystal layer, so the horizontal component of electric field that utilizes pixel electrode and public electrode to produce in the utility model embodiment drives blue-phase liquid crystal panel.
The above-mentioned spacing that is positioned at the adjacent strip shaped electric poles of described transmission area must be less than the spacing of the adjacent strip shaped electric poles that is positioned at described echo area, character (as: the birefraction character of the definite and blue phase liquid crystal of both proportionate relationships, dielectric anisotropy character, Cole's constant etc.) relevant.Specifically can be according to following method of testing for the panel that comprises specific a kind of blue phase liquid crystal, determine the proportionate relationship of two spacings: at first, make different test panels according to predefined several spacing ratios, and, all fill above-mentioned specific a kind of blue phase liquid crystal in these test panels.Secondly, draw the transmission area of these several test panels and the V-T of echo area (voltage-transmitance) curve characteristic, if the transmission area of a test panel is consistent in error range with the curve characteristic of echo area, the phase delay that transmission area then is described is roughly 2 times of phase delay of echo area, and the proportionate relationship of this test panel just can be used as the reference value in the actual production so.In the utility model embodiment, above-mentioned ratio is not added restriction, and with in the actual production can so that the light of the transmission area of same pixel region, echo area by identical being as the criterion of phase-delay quantity that described blue phase liquid crystal layer was produced.
Further, above-mentioned blue-phase liquid crystal panel also comprises: the first quarter-wave plate 23, the 1/1st wave plate 22 and the first polaroid 21 that are arranged on the described first substrate outside; Be arranged on the second quarter-wave plate 24, the 1/2nd wave plate 25 and second polaroid 26 in the described second substrate outside.
Example, in the described first substrate outside, be disposed with from the inside to the outside the first quarter-wave plate 23, the 1/1st wave plate 22 and the first polaroid 21; In the described second substrate outside, be disposed with from the inside to the outside the second quarter-wave plate 24, the 1/2nd wave plate 25 and the second polaroid 26.
Below, how to realize that for the blue-phase liquid crystal panel in the above-mentioned IPS escope that provides semi-transparent semi-reflecting demonstration describes in detail.
Fig. 1 is the structural representation of blue-phase liquid crystal panel when not powering up.Because not during making alive, blue phase liquid crystal molecule in the blue phase liquid crystal layer is isotropic, and the light of transmission area and echo area can not produce phase-delay quantity through isotropic blue phase liquid crystal layer 13, if the polarization direction of the first polaroid 21 and the second polaroid 26 is 90 degree angles, emergent ray can be blocked fully by the second polaroid 26, thereby realizes the demonstration of dark attitude.
Fig. 2 is the structural representation of blue-phase liquid crystal panel when powering up.The blue phase liquid crystal molecule produces the phase delay of horizontal direction under the horizontal component of electric field effect, the spacing d1 of adjacent strip shaped electric poles that is positioned at transmission area is different from the spacing d2 of the adjacent strip shaped electric poles that is positioned at the echo area, and d1＜d2.Owing to the spacing d1 of the adjacent strip shaped electric poles that is positioned at transmission area is less, will produce stronger electric field intensity, so the blue phase liquid crystal molecule can produce larger phase delay delta n1 under stronger electric field action.Otherwise, owing to the spacing d2 of the adjacent strip shaped electric poles that is positioned at the echo area is larger, will produce weak electric field intensity, so the blue phase liquid crystal molecule can the less phase delay delta n2 of generation under weak electric field action.Because the reflex in reflection horizon 31, the light of echo area can pass through blue phase liquid crystal layer twice, so the light of echo area is about transmission area through the propagation distance D2 of blue phase liquid crystal layer light is through 2 times of the propagation distance D1 of blue phase liquid crystal layer, i.e. general D2=2*D1; So, can be positioned at by optimization spacing d1 and the d2 of the adjacent strip shaped electric poles of transmission area and echo area, so that the light of the transmission area of same pixel region, echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces, be Δ n1*D1=Δ n2*D2, to reach semi-transparent semi-reflecting display effect.
How to realize that for the blue-phase liquid crystal panel in the above-mentioned ADS escope that provides semi-transparent semi-reflecting demonstration can be with reference to above-mentioned principle, do not add at this and give unnecessary details.
The Transflective blue-phase liquid crystal panel that the utility model provides, this blue-phase liquid crystal panel are that single box is thick, and the spacing of the adjacent strip shaped electric poles by will being positioned at transmission area is less than the spacing of the adjacent strip shaped electric poles that is positioned at the echo area; So that the light of transmission area and echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces, thereby realize the Presentation Function of the thick Transflective blue-phase liquid crystal panel of single box; Because what adopt in the utility model is the thick structure of single box, so can simplify the difficulty of manufacture craft.
With reference to figure 4-Fig. 6, Figure 10-Figure 12, the utility model embodiment also provides a kind of blue-phase liquid crystal display panel, comprise: to first substrate 11 and the second substrate 12 of box moulding, and be positioned at blue phase liquid crystal layer 13 between two substrates, also comprise: be positioned at the grid line 600 of described first substrate inboard, with described grid line the first data line 601, the second data line 602 arranged in a crossed manner; The pixel region that is limited by described grid line and described the first data line, the second data line is divided into transmission area and echo area;
Described blue-phase liquid crystal panel is that single box is thick, described blue-phase liquid crystal panel also comprises: be positioned at the public electrode 607 of described pixel region, second pixel electrode 606 that arranges with layer with described the first pixel electrode that is positioned at the first pixel electrode 605 of described transmission area and is positioned at described echo area; Described public electrode 607 comprises a plurality of strip shaped electric poles, and/or described pixel electrode (comprising: the first pixel electrode 605 and the second pixel electrode 606) comprises a plurality of strip shaped electric poles; The adjacent strip electrode separation that is positioned at transmission area of same layer is identical with the adjacent strip shaped electric poles that is positioned at the echo area; In the energising situation, apply different voltages to the first pixel electrode 605, the second pixel electrode 606 respectively by the first data line 601, the second data line 602, so that the pressure reduction that is positioned at 607 of the first pixel electrode 605 of same pixel region and public electrodes is greater than 607 pressure reduction between the second pixel electrode 606 and public electrode, so that the light of transmission area and echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces.
Wherein, Fig. 4-Fig. 6 is a kind of liquid crystal panel of IPS type liquid crystal display, and Figure 10-Figure 12 is the liquid crystal panel of ADS type liquid crystal display.
Optionally, with reference to figure 4-Fig. 6, above-mentioned public electrode comprises a plurality of strip shaped electric poles, and/or described pixel electrode comprises a plurality of strip shaped electric poles; Comprise: described public electrode 607 and described pixel electrode (comprising the first pixel electrode 605 and the second pixel electrode 606) arrange with layer, the strip shaped electric poles that described the first pixel electrode 605 comprises arranges with the strip shaped electric poles interval that the public electrode 607 that is positioned at described transmission area comprises, and the strip shaped electric poles that described the second pixel electrode 606 comprises arranges with the strip shaped electric poles interval that the public electrode 607 that is positioned at described echo area comprises.
Below with reference to Fig. 6, describe in detail for the dot structure that is arranged on the first substrate inboard in the above-mentioned liquid crystal panel.Above-mentioned blue-phase liquid crystal panel also comprises: the first film transistor 603 and the second thin film transistor (TFT) 604 that are positioned at described pixel region; Describedly apply different voltages to the first pixel electrode 605, the second pixel electrode 606 respectively by the first data line 601, the second data line 602 and comprise: apply first voltage by described the first film transistor 603 to described the first pixel electrode 605 by the first data line 601, apply second voltage by described the second thin film transistor (TFT) 604 to described the second pixel electrode 606 by the second data line 602, and the first voltage and second voltage are unequal.
Concrete, the transistorized grid 603a of described the first film, source electrode 603b and drain electrode 603c are electrically connected respectively described grid line 600, described the first data line 601 and described the first pixel electrode 605, and the grid 604a of described the second thin film transistor (TFT), source electrode 604b and drain electrode 604c are electrically connected respectively described grid line 600, described the second data line 602 and described the second pixel electrode 606.In the energising situation, the first data line 601 can apply the first voltage to the first pixel electrode 605 like this, and the second data line 602 can apply second voltage to the second pixel electrode 606.Preferably, described the first data line 601 and described the second data line 602 both sides of described pixel region that are placed in.
Optionally, with reference to figure 10-Figure 12, above-mentioned public electrode comprises a plurality of strip shaped electric poles, and/or described pixel electrode comprises a plurality of strip shaped electric poles; Comprise: the different layer of described public electrode and described pixel electrode arranges; That is to say that the first pixel electrode 605 and the second pixel electrode 606 arrange with layer, and these two electrodes and the different layer setting of public electrode.Wherein, the electrode that is positioned at the upper strata in described public electrode and the described pixel electrode comprises a plurality of strip shaped electric poles, and the electrode that is positioned at lower floor is plate electrode.Be positioned at the upper strata with pixel electrode among the figure, it is example that public electrode is positioned at lower floor, certainly, also can be positioned at the upper strata by public electrode, and pixel electrode is positioned at lower floor.
Dot structure shown in Figure 12 is identical with the annexation of dot structure shown in Figure 6, does not add at this and gives unnecessary details.Different is that the adjacent strip electrode separation of the first pixel electrode that is positioned at transmission area among Figure 12 is identical with the adjacent strip electrode separation of the second pixel electrode that is positioned at the echo area.
Further preferred, the be placed in both sides of described pixel region of described the first data line 601 and described the second data line 602.
Optionally, above-mentioned public electrode comprises a plurality of strip shaped electric poles, and/or described pixel electrode comprises a plurality of strip shaped electric poles; Comprise: the different layer of described public electrode and described pixel electrode arranges, and wherein, described public electrode and described pixel electrode include a plurality of strip shaped electric poles.This liquid crystal panel there is no with reference to the accompanying drawings, but those skilled in the art with reference to figure 10-Figure 12 can be beyond all doubt the structure of definite this liquid crystal panel.The adjacent strip electrode separation of the adjacent strip electrode separation of the first pixel electrode and the second pixel electrode is identical in this liquid crystal panel, and the spacing of adjacent strip shaped electric poles that public electrode is positioned at transmission area is identical with the adjacent strip electrode separation that is positioned at the echo area.
In the echo area of above-mentioned display panels, the inboard of described first substrate also is provided with reflection horizon 31; And be provided with insulation course 32 in described reflection horizon 31, described insulation course extends described transmission area and echo area simultaneously; Preferably, greater than the thickness of described insulation course 32 in the echo area, and described insulation course is the thickness in described reflection horizon in the difference of two area thickness to described insulation course 32 at the thickness of transmission area; The blue-phase liquid crystal panel that can guarantee like this to be provided with insulation course is still thick for single box, namely at the blue phase liquid crystal layer consistency of thickness of echo area and transmission area.
It should be noted that diagram should be as the restriction of echo area and transmission area shape or size, diagram only is reference, and it is identical that the size of the first pixel electrode and the second pixel electrode can be set to, and also can be set to difference.
Above-mentioned each electrode refers to layer setting: above-mentioned the first pixel electrode, the second pixel electrode and public electrode are formed by composition technique by same transparent conductive film.Wherein, the first pixel electrode and the second pixel electrode be without electrical connection, and apply different voltages by the first data line with the second data line respectively, and public electrode refers to the electrode that is connected with public electrode wire.
Above-mentioned in the energising situation, apply different voltages to the first pixel electrode, the second pixel electrode respectively by the first data line, the second data line, character (as: the birefraction character with blue phase liquid crystal determined as for the magnitude of voltage that imposes on two pixel electrodes, dielectric anisotropy character, Cole's constant etc.) relevant.Specifically can according to following method of testing for the panel that comprises specific a kind of blue phase liquid crystal, determine the proportionate relationship of two magnitudes of voltage: at first, according to manufacturing test panel in advance, fill above-mentioned specific a kind of blue phase liquid crystal in this test panel.Secondly, apply voltage by the first data line to the first pixel electrode of transmission area, apply voltage by the second data line to the second pixel electrode of echo area, draw respectively the transmission area of this test panel and the V-T of echo area (voltage-transmitance) curve characteristic, analyze the curve characteristic in two zones, and obtain successively the magnitude of voltage at consistent corresponding first, second data line in position of each transmitance.In the utility model embodiment, the above-mentioned magnitude of voltage that imposes on two pixel electrodes is not added restriction, with in the actual production can so that the light of the transmission area of same pixel region and echo area by identical being as the criterion of phase-delay quantity that described blue phase liquid crystal layer was produced; But being positioned at the first pixel electrode of same pixel region and the pressure reduction between public electrode must be greater than the pressure reduction between the second pixel electrode and public electrode, and the identical condition that provides of phase-delay quantity of transmission area and echo area so just is provided.
Further, above-mentioned blue-phase liquid crystal panel also comprises: the first quarter-wave plate 23, the 1/1st wave plate 22 and the first polaroid 21 that are arranged on the described first substrate outside; Be arranged on the second quarter-wave plate 24, the 1/2nd wave plate 25 and second polaroid 26 in the described second substrate outside.
Example, in the described first substrate outside, be disposed with from the inside to the outside the first quarter-wave plate 23, the 1/1st wave plate 22 and the first polaroid 21; In the described second substrate outside, be disposed with from the inside to the outside the second quarter-wave plate 24, the 1/2nd wave plate 25 and the second polaroid 26.
Below, how to realize that for the blue-phase liquid crystal panel in the above-mentioned IPS escope that provides semi-transparent semi-reflecting demonstration describes in detail.
Fig. 4 is the structural representation of blue-phase liquid crystal panel when not powering up.Because not during making alive, blue phase liquid crystal molecule in the blue phase liquid crystal layer is isotropic, and the light of transmission area and echo area can not produce phase-delay quantity through isotropic blue phase liquid crystal layer, if the polarization direction of the first polaroid 21 and the second polaroid 26 is 90 degree angles, emergent ray can be blocked fully by the second polaroid, thereby realizes the demonstration of dark attitude.
Fig. 5 is the structural representation of blue-phase liquid crystal panel when powering up.The blue phase liquid crystal molecule is under the horizontal component of electric field effect, produce the phase delay of horizontal direction, the spacing d1 of adjacent strip shaped electric poles that is positioned at transmission area is identical with the spacing d2 of the adjacent strip shaped electric poles that is positioned at the echo area, and d1=d2, thereby need not to consider that the spacing of adjacent strip shaped electric poles of transmission area and echo area on the impact of the horizontal component of electric field that produces, imposes on the impact on electric field of the first pixel electrode that is positioned at transmission area and the different voltages that impose on the second pixel electrode that is positioned at the echo area but utilized this moment.By applying different voltages to the first pixel electrode, the second pixel electrode, so that be positioned at the first pixel electrode of same pixel region and the pressure reduction between public electrode greater than the pressure reduction between the second pixel electrode and public electrode, because the larger electric field that produces of pressure reduction is just stronger, so transmission area will produce stronger electric field intensity, the blue phase liquid crystal molecule can produce larger phase delay delta n1 under stronger electric field action, and the echo area will produce weak electric field intensity, and the blue phase liquid crystal molecule can produce less phase delay delta n2 under weak electric field action.Since the light of echo area can twice by blue phase liquid crystal layer, so the light of echo area is about transmission area through the propagation distance D2 of blue phase liquid crystal layer light through 2 times of the propagation distance D1 of blue phase liquid crystal layer, i.e. general D2=2*D1; So, can apply different voltages with the second pixel electrode by giving the first pixel electrode, can be so that the light of the transmission area of same pixel region, echo area be identical by the phase-delay quantity that described blue phase liquid crystal layer produces, be Δ n1*D1=Δ n2*D2, to reach semi-transparent semi-reflecting display effect.
How to realize that for the blue-phase liquid crystal panel in the above-mentioned ADS escope that provides semi-transparent semi-reflecting demonstration can be with reference to above-mentioned principle, do not add at this and give unnecessary details.
The Transflective blue-phase liquid crystal panel that the utility model provides, this blue-phase liquid crystal panel is that single box is thick, the spacing of the adjacent strip shaped electric poles by will being positioned at transmission area equals the spacing of the adjacent strip shaped electric poles of echo area, and be positioned at the first pixel electrode of same pixel region and the pressure reduction between public electrode greater than the pressure reduction between the second pixel electrode and public electrode in when energising, so that the light of transmission area and echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces, thereby realize the Presentation Function of the thick Transflective blue-phase liquid crystal panel of single box; Because what adopt in the utility model is the thick structure of single box, so can simplify the difficulty of manufacture craft.
Need to prove; for clearly describing the claimed structure of the utility model; so in each embodiment and accompanying drawing, do simplification or omit processing with the incoherent structure of the utility model; and in each embodiment and accompanying drawing, do and simplify or to omit the structure of processing all be those skilled in the art holds facilely under the creative work prerequisite not making, do not give unnecessary details so do not add at present embodiment.
In addition, it should be noted that, above-mentioned two kinds of blue-phase liquid crystal panels that the utility model provides belong to a total utility model design, this total utility model is contemplated that: in the energising situation, make the transmission area of same pixel region produce stronger electric field intensity, the echo area produces weak electric field intensity, thereby so that the blue phase liquid crystal molecule of transmission area produces larger phase delay, the blue phase liquid crystal molecule of echo area produces less phase delay, and then so that the transmission area of same pixel region, the light of echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces; Wherein, the factor that affects electric field intensity mainly contains two: the one, and the spacing of adjacent strip shaped electric poles, the 2nd, the pressure reduction of pixel electrode and public electrode.Fig. 1,2, Fig. 7, blue-phase liquid crystal panel shown in Figure 8, in a pixel region, only has a pixel electrode, so two interelectrode pressure reduction are identical in transmission area and the echo area, putting before this, by the spacing that is positioned at same layer and different adjacent strip shaped electric poles is set in transmission area and echo area, to produce different electric field intensity.Fig. 4,5, Figure 10, blue-phase liquid crystal panel shown in Figure 12, the spacing that is positioned at same layer and identical adjacent strip shaped electric poles is set in transmission area and echo area, putting before this, by applying different voltages to the first pixel electrode with the second pixel electrode, so that the pressure reduction between two electrodes (pixel electrode and public electrode) in transmission area and the echo area is different, to produce different electric field intensity.
Present embodiment also provides a kind of display device, and it comprises above-mentioned any blue-phase liquid crystal panel, and described display device can have for liquid crystal display, LCD TV, digital album (digital photo frame), mobile phone, panel computer etc. product or the parts of any Presentation Function.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (12)
1. blue-phase liquid crystal panel, comprise: to first substrate and the second substrate of box moulding, and be positioned at blue phase liquid crystal layer between two substrates, it is characterized in that, also comprise: the grid line that is positioned at described first substrate inboard, with described grid line data line arranged in a crossed manner, be positioned at the strip shaped electric poles of the pixel region that described grid line and described data line limit;
Described blue-phase liquid crystal panel is that single box is thick, and described pixel region is divided into transmission area and echo area; The spacing of the adjacent strip shaped electric poles that is positioned at described transmission area of same layer is less than the spacing of the adjacent strip shaped electric poles that is positioned at described echo area, so that the light of the transmission area of same pixel region, echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces.
2. blue-phase liquid crystal panel according to claim 1 is characterized in that, also comprises: the first quarter-wave plate, the 1/1st wave plate and the first polaroid that are arranged on the described first substrate outside; Be arranged on the second quarter-wave plate, the 1/2nd wave plate and second polaroid in the described second substrate outside.
3. blue-phase liquid crystal panel according to claim 1 is characterized in that, in described echo area, the inboard of described first substrate also is provided with the reflection horizon; And be provided with insulation course in described reflection horizon, described insulation course extends described transmission area and echo area simultaneously;
Greater than the thickness of described insulation course in the echo area, and described insulation course is the thickness in described reflection horizon in the difference of two area thickness to described insulation course at the thickness of transmission area.
4. each described blue-phase liquid crystal panel is characterized in that according to claim 1-3, and the described strip shaped electric poles that is positioned at the pixel region that described grid line and described data line limit comprises:
Be positioned at pixel region and same layer of pixel electrode and the public electrode that arrange that described grid line and described data line limit; Wherein, described pixel electrode comprises a plurality of the first strip shaped electric poles, and described public electrode comprises a plurality of the second strip shaped electric poles, and described the first strip shaped electric poles and described the second strip electrode gap arrange.
5. each described blue-phase liquid crystal panel is characterized in that according to claim 1-3, and the described strip shaped electric poles that is positioned at the pixel region that described grid line and described data line limit comprises:
Be positioned at pixel region and different layer of upper electrode and lower electrode that arranges that described grid line and described data line limit; Wherein,
Described upper electrode comprises a plurality of strip shaped electric poles, and described lower electrode is plate electrode; Perhaps, described upper electrode and lower electrode include a plurality of strip shaped electric poles.
6. blue-phase liquid crystal panel, comprise: to first substrate and the second substrate of box moulding, and be positioned at blue phase liquid crystal layer between two substrates, it is characterized in that, also comprise: be positioned at the grid line of described first substrate inboard, with described grid line the first data line, the second data line arranged in a crossed manner; The pixel region that is limited by described grid line and described the first data line, the second data line is divided into transmission area and echo area;
Described blue-phase liquid crystal panel is that single box is thick, described blue-phase liquid crystal panel also comprises: be positioned at the public electrode of described pixel region, second pixel electrode that arranges with layer with described the first pixel electrode that is positioned at the first pixel electrode of described transmission area and is positioned at described echo area; Described public electrode comprises a plurality of strip shaped electric poles, and/or described pixel electrode comprises a plurality of strip shaped electric poles; The adjacent strip electrode separation that is positioned at transmission area of same layer is identical with the adjacent strip shaped electric poles that is positioned at the echo area; In the energising situation, apply different voltages to the first pixel electrode, the second pixel electrode respectively by the first data line, the second data line, so that be positioned at the first pixel electrode of same pixel region and the pressure reduction between public electrode greater than the pressure reduction between the second pixel electrode and public electrode, so that the light of transmission area and echo area is identical by the phase-delay quantity that described blue phase liquid crystal layer produces.
7. blue-phase liquid crystal panel according to claim 6 is characterized in that, also comprises: the first quarter-wave plate, the 1/1st wave plate and the first polaroid that are arranged on the described first substrate outside; Be arranged on the second quarter-wave plate, the 1/2nd wave plate and second polaroid in the described second substrate outside.
8. blue-phase liquid crystal panel according to claim 6 is characterized in that, the be placed in both sides of described pixel region of described the first data line and described the second data line.
9. blue-phase liquid crystal panel according to claim 6 is characterized in that, in described echo area, the inboard of described first substrate also is provided with the reflection horizon; And be provided with insulation course in described reflection horizon, described insulation course extends described transmission area and echo area simultaneously;
Greater than the thickness of described insulation course in the echo area, and described insulation course is the thickness in described reflection horizon in the difference of two area thickness to described insulation course at the thickness of transmission area.
10. each described blue-phase liquid crystal panel is characterized in that according to claim 6-9, and described public electrode comprises a plurality of strip shaped electric poles, and/or described pixel electrode comprises a plurality of strip shaped electric poles; Comprise:
Described public electrode and described pixel electrode arrange with layer, the strip shaped electric poles that described the first pixel electrode comprises arranges with the strip shaped electric poles interval that the public electrode that is positioned at described transmission area comprises, and the strip shaped electric poles that described the second pixel electrode comprises arranges with the strip shaped electric poles interval that the public electrode that is positioned at described echo area comprises.
11. each described blue-phase liquid crystal panel is characterized in that according to claim 6-9, described public electrode comprises a plurality of strip shaped electric poles, and/or described pixel electrode comprises a plurality of strip shaped electric poles; Comprise:
The different layer of described public electrode and described pixel electrode arranges, and wherein, the electrode that is positioned at the upper strata in described public electrode and the described pixel electrode comprises a plurality of strip shaped electric poles, and the electrode that is positioned at lower floor is plate electrode; Perhaps, described public electrode and described pixel electrode include a plurality of strip shaped electric poles.
12. a display device is characterized in that, comprises each described blue-phase liquid crystal panel of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372131 CN202693962U (en) | 2012-07-27 | 2012-07-27 | Blue-phase liquid crystal panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220372131 CN202693962U (en) | 2012-07-27 | 2012-07-27 | Blue-phase liquid crystal panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693962U true CN202693962U (en) | 2013-01-23 |
Family
ID=47549551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220372131 Expired - Lifetime CN202693962U (en) | 2012-07-27 | 2012-07-27 | Blue-phase liquid crystal panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693962U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789101A (en) * | 2012-07-27 | 2012-11-21 | 京东方科技集团股份有限公司 | Blue-phase liquid crystal panel and display device |
| CN103278975A (en) * | 2013-05-27 | 2013-09-04 | 京东方科技集团股份有限公司 | Semi-transmission semi-reflection liquid crystal display panel, array substrate, colorized film substrate and manufacturing method |
| CN105093665A (en) * | 2015-09-22 | 2015-11-25 | 京东方科技集团股份有限公司 | Semi-transmitting and semi-reflecting display panel and semi-transmitting and semi-reflecting display device |
| CN108646478A (en) * | 2018-03-28 | 2018-10-12 | 厦门天马微电子有限公司 | array substrate, liquid crystal display panel and pixel charging method |
-
2012
- 2012-07-27 CN CN 201220372131 patent/CN202693962U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789101A (en) * | 2012-07-27 | 2012-11-21 | 京东方科技集团股份有限公司 | Blue-phase liquid crystal panel and display device |
| WO2014015565A1 (en) * | 2012-07-27 | 2014-01-30 | 京东方科技集团股份有限公司 | Blue-phase liquid crystal panel and display device |
| US9140936B2 (en) | 2012-07-27 | 2015-09-22 | Boe Technology Group Co., Ltd. | Blue phase liquid crystal panel and display device |
| CN103278975A (en) * | 2013-05-27 | 2013-09-04 | 京东方科技集团股份有限公司 | Semi-transmission semi-reflection liquid crystal display panel, array substrate, colorized film substrate and manufacturing method |
| CN103278975B (en) * | 2013-05-27 | 2016-04-06 | 京东方科技集团股份有限公司 | Transflective liquid crystal panel, array base palte, color membrane substrates and method for making |
| US9513506B2 (en) | 2013-05-27 | 2016-12-06 | Boe Technology Group Co., Ltd. | Transflective liquid crystal panel, display device, array substrate, color filter substrate and fabricating method thereof |
| CN105093665A (en) * | 2015-09-22 | 2015-11-25 | 京东方科技集团股份有限公司 | Semi-transmitting and semi-reflecting display panel and semi-transmitting and semi-reflecting display device |
| US10451931B2 (en) | 2015-09-22 | 2019-10-22 | Boe Technology Group Co., Ltd. | Transflective display panel and transflective display device |
| CN108646478A (en) * | 2018-03-28 | 2018-10-12 | 厦门天马微电子有限公司 | array substrate, liquid crystal display panel and pixel charging method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102789101A (en) | Blue-phase liquid crystal panel and display device | |
| CN202748579U (en) | Liquid crystal display panel and display device | |
| EP2933678B1 (en) | Array substrate and manufacturing method thereof, and liquid crystal display panel | |
| US8836900B2 (en) | Array substrate and liquid crystal display device | |
| CN102629052B (en) | Liquid crystal display panel, driving method of liquid crystal display panel and liquid crystal display device | |
| US9874791B2 (en) | Display device, array substrate and method for manufacturing array substrate | |
| CN102879957B (en) | Liquid crystal display panel and display device | |
| US8982023B2 (en) | Array substrate and display device having the same | |
| CN103969896B (en) | A kind of flexible display panels and flexible display | |
| CN202693962U (en) | Blue-phase liquid crystal panel and display device | |
| CN104280963A (en) | Array substrate, manufacturing method of array substrate, and display device | |
| CN102955304B (en) | A kind of display panels and display device | |
| CN102879958A (en) | Array substrate, method for manufacturing same and liquid crystal display device | |
| CN104020604A (en) | Two-sided transparent display device | |
| CN102937761A (en) | Liquid crystal display panel and display device | |
| CN104360516A (en) | Liquid crystal display device and liquid crystal display panel for same | |
| CN202177761U (en) | Liquid crystal display panel and liquid crystal display device | |
| CN203444208U (en) | Liquid crystal display device and display terminal | |
| CN103809318A (en) | Method for manufacturing array substrate, array substrate and display device | |
| CN103278975A (en) | Semi-transmission semi-reflection liquid crystal display panel, array substrate, colorized film substrate and manufacturing method | |
| CN104062809A (en) | Dual-display mode liquid crystal display | |
| CN104020616B (en) | Transmitting/reflecting LCD and driving method thereof | |
| CN102998840A (en) | Display panel and display device comprising same | |
| US10564492B2 (en) | Liquid crystal display panel and orientation method thereof | |
| CN102645797A (en) | Liquid crystal display device and manufacturing method and display appliance thereof |
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: 20130123 |