CN103543552A - Liquid crystal display panel, driving method thereof and liquid crystal displayer with liquid crystal display panel - Google Patents
Liquid crystal display panel, driving method thereof and liquid crystal displayer with liquid crystal display panel Download PDFInfo
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Abstract
The invention relates to a liquid crystal display panel, a driving method of the liquid crystal display panel and a liquid crystal displayer with the liquid crystal display panel. The liquid crystal display panel comprises a first substrate provided with a first electrode layer, a second substrate provided with a second electrode layer, a blue-phase liquid crystal layer arranged between the first substrate and the second substrate and a shading zone arranged on the second substrate, wherein the first electrode layer and the second electrode layer are arranged oppositely and bias voltage is exerted between the first electrode layer and the second electrode layer so that refractive index graded distribution of the blue-phase liquid crystal layer can be generated, and therefore light sources penetrating through the blue-phase liquid crystal layer are focused on the shading zone.
Description
Technical field
The liquid crystal display that the invention relates to a kind of display panels, its driving method and comprise it, espespecially a kind ofly usings blue phase liquid crystal layer as display panels, its driving method of refractive index gradient lens and the liquid crystal display that comprises it.
Background technology
Liquid crystal display is the display device of a thin plane, because it has the advantage of slimming, thus replaced in recent years traditional cathode-ray tube display, and become one of display device of current universalness the most.
Wherein, liquid crystal display mainly comprises a display panels and a backlight module, and backlight module is mainly arranged on display panels below, i.e. thin film transistor base plate one side, to provide a light source to display panels.Via the demonstration of controlling pixel, and can in liquid crystal display, present image.
The liquid crystal molecule using in current display panels mostly is slender type club shaped structure, and its long axis direction has polarity, therefore when extra electric field is during in liquid crystal molecule, can make liquid crystal molecule rotate and have different arrangement situations.In addition, because general backlight is non-polarized light, therefore thin film transistor base plate one side of current display panels need be provided with a polaroid, to convert non-polarized light to polarization light by backlight before entering liquid crystal layer; Then, again by the rotation of liquid crystal molecule, capable of regulating is only no by the polaroid of colored filter substrate side by the polarization of liquid crystal layer, and reaches the object of controlling bright dark state.
Yet by the process of polaroid, the polaroid that has at least 50% meeting backlight to be arranged on thin film transistor base plate one side absorbs in light, and cause the most wastes that cause backlight.
Therefore, need at present development badly a kind of without using the display panels of polaroid and the display that comprises it, to promote utilization factor backlight, and then reach the object of low power consuming.
Summary of the invention
Fundamental purpose of the present invention is in the liquid crystal display that a kind of display panels is provided and comprises it, and it need not arrange a polaroid, therefore can improve utilization factor backlight.
Another object of the present invention is that a kind of driving method of display panels is being provided, to can reach, need not use polaroid can reach the object of controlling bright dark state.
For reaching above-mentioned purpose, display panels of the present invention, comprising: a first substrate is to be provided with one first electrode layer; One second substrate, is to be provided with a second electrode lay, and this first electrode layer is to be oppositely arranged with this second electrode lay; One blue phase liquid crystal layer, comprises a blue phase liquid crystal, and blue phase liquid crystal layer is to be arranged between first substrate and second substrate; And a shading region, be to be arranged on second substrate.Wherein, by applying a bias voltage between the first electrode layer and the second electrode lay, make blue phase liquid crystal layer produce refractive index gradient and distribute, with by the light-resource fousing by blue phase liquid crystal layer in shading region.At this, first substrate is thin film transistor (TFT) side group plate, and second substrate is colored filter side group plate.
More specifically, the first electrode layer and the second electrode lay are to have respectively a first surface and a second surface, and first surface is mutual corresponding with second surface.In addition, the first surface of the first electrode layer and the distance of the second surface of the second electrode lay in a first area are different with the distance in a second area; Therefore,, when being irradiated a light source by a side of first substrate in blue phase liquid crystal layer time, the bias voltage applying between the first electrode layer and the second electrode lay can produce inhomogeneous field in blue phase liquid crystal interlayer, and make blue phase liquid crystal layer produce refractive index gradient, distributes.
In addition, the present invention also provides a kind of driving method of foregoing liquid crystal display panel, comprises the following steps: that (A) provides aforesaid display panels; And (B) apply one and be biased between the first electrode layer and the second electrode lay, utilize the non homogen field producing in blue phase liquid crystal layer, can produce refractive index gradient in blue phase liquid crystal layer and distribute, with by the light-resource fousing by blue phase liquid crystal layer in shading region.
Display panels of the present invention and driving method thereof, when not applying bias voltage or bias voltage be zero between the first electrode layer and the second electrode lay, blue phase liquid crystal in blue phase liquid crystal layer has the tropisms such as optics, now refractive index is equal everywhere for element, and equivalent refractive index ellipsoid is to be spheroid, so time light source by blue phase liquid crystal layer can not produce deviation.Therefore, under this situation, when being irradiated a light source by a side of first substrate in blue phase liquid crystal layer time, light source can not focused on by blue phase liquid crystal, and display panel presents bright state.
Yet, when applying after bias voltage between the first electrode layer and the second electrode lay, along with the increase of electric field, the shaft length difference of equivalent refractive index ellipsoid vertical direction and horizontal direction also with increase, and long axis direction is to be parallel to direction of an electric field.Therefore, when being irradiated a light source by a side of first substrate in blue phase liquid crystal layer time, the cause first surface of the first electrode layer is different in the distance of zones of different with the second surface of the second electrode lay, therefore when applying a voltage in the first electrode layer and the second electrode lay, formed non homogen field in blue phase liquid crystal layer, this non homogen field, except changing n
emore can change n outward,
o, make element n everywhere
eand n
ochange in gradient.Therefore, the formed refractive index gradient lens of blue phase liquid crystal layer (GRIN Lens), can cause the travel path deviation of light source, and focus on shading region, and display panel present dark state.
In addition, by adjustment, put on the voltage swing of the first electrode layer and the second electrode lay, except convertible bright dark state, more can present because light focusing degree is different gray scale states.At this, voltage swing there is no particular restriction, as long as can reach the effect of the bright dark state of conversion.
Due to display panels of the present invention and driving method thereof, utilize voltage can change the refractive index of blue phase liquid crystal layer, the bright dark state of display can be controlled, and polaroid need not be used.Therefore, compared to display panels in the past, display panels of the present invention can prevent the shortcoming of light absorbing polarizing plate line, and then promotes utilization factor backlight, and reaches the effect of saving the energy.
In display panels of the present invention and driving method thereof, the first electrode layer and the second electrode lay are to be a transparency electrode.In the present invention, transparency electrode can be the conventional transparency electrode of the art, as ITO electrode, IZO electrode or TCO electrode.In addition, first substrate and second substrate are preferably a transparent substrates, and can be a plastic base or a glass substrate.
The shape of the first electrode layer and the second electrode lay there is no particular restriction, as long as when voltage is provided, can form non homogen field in the first electrode layer and the second electrode lay interlayer.Be preferably, the first electrode layer is to be a plate electrode, and the second electrode lay is to be a patterned electrodes; Vice versa; Or the first electrode layer and the second electrode lay are plate electrode, but first area and second area are to have different resistance.Be more preferred from, the first electrode layer is to be a plate electrode, and the second electrode lay is to be a patterned electrodes.In addition, the shape of patterned electrodes there is no particular restriction, can be wave electrode, meander electrode, strip shaped electric poles or has the electrode of opening.Be preferably, patterned electrodes is for having the electrode of an opening; Wherein, the pattern of opening there is no particular restriction, can be circle, rectangle, triangle, trapezoidal, cross-type, Curved etc.Be preferably, opening is to be a circular open.
In display panels of the present invention and driving method thereof, the setting position of shading region is so long as when providing voltage, the position that light is assembled (being focal position).The example of the setting position of shading region includes, but are not limited to: on arbitrary surface of second substrate, in second substrate top and apart from the black matrix" of second substrate one specific range or colored filter.Be preferably, shading region is to be located on second substrate, and is arranged in this opening of the second electrode lay.Be more preferred from, shading region is to be located on the surface with respect to the first electrode layer of second substrate, and is arranged in this opening of the second electrode lay.
In addition, shading region can be a light-absorption layer or a reflection horizon.When shading region is a light-absorption layer, can directly the light efficiency that focuses on shading region be absorbed; And when shading region is a reflection horizon, the light that focuses on shading region can be reflected back to backlight, and more promote utilization factor backlight.
Moreover, because of the temperature range that blue phase liquid crystal exists narrower, therefore blue phase liquid crystal layer can also comprise the polymkeric substance of a stable blue phase liquid crystal, so that the indigo plant of blue phase liquid crystal exists temperature range to increase mutually.
In display panels of the present invention and driving method thereof, display panels can also comprise dielectric layer one microlens array, is to be located on this second electrode lay, and with respect to the first electrode layer; Thus, can help by the focusing of the light of blue phase liquid crystal layer.
In order to reduce the situation reflecting between the first electrode layer and this second electrode lay, the thickness of this first electrode layer and this second electrode lay is to be one of important key factor.Wherein, when the refractive index of the two layers of material of sandwiched electrode layer is simultaneously high or low compared with electrode layer material refractive index, more specifically, electrode layer is arranged on two refractive indexes all compared with the high storeroom of electrode layer material or two refractive indexes during all compared with the low storeroom of electrode layer material, and the calculating of the thickness of electrode layer is as shown in the formula shown in (I).Yet when the refractive index of electrode layer one side material is refractive index low compared with electrode layer material and opposite side material when high compared with electrode layer material, the calculating of the thickness of electrode layer is as shown in the formula shown in (II).
Electrode layers thickness=(lambda1-wavelength)/(2x electrode material refractive index) formula (I)
Electrode layers thickness=(lambda1-wavelength)/(4x electrode material refractive index) formula (II)
Because of human eye the most responsive near green light wavelength for wavelength of light, therefore the calculating of electrode layers thickness is mainly for approaching green light scope for better according to lambda1-wavelength.At this, lambda1-wavelength scope can be 460nm to 620nm; Be preferably 530nm to 570nm; Be more preferred from the approximately 550nm that approaches green light wavelength coverage, the penetrance of wavelength coverage that particularly can wish more to approach 550nm in design is the highest, to obtain preferably display effect.The ITO that the refractive index of take is 1.9 as electrode layer material and lambda1-wavelength as 550nm be example.When ITO electrode is arranged on two refractive indexes all compared with the high storeroom of ITO material or two refractive indexes during all compared with the low storeroom of ITO material, the thickness of ITO electrode is about 145nm; And when the refractive index of ITO electrode one side material be refractive index low compared with electrode layer material and opposite side material when high compared with ITO electrode material, the thickness of ITO electrode is about 72nm.
Above-mentioned electrode layers thickness is to illustrate, yet the thickness of the first electrode layer and the second electrode lay is not certain value, and relevant to the refractive index of electrode layer and two layers of material thereof.
Except above-mentioned display panels and driving method thereof, the present invention more provides a kind of liquid crystal display of applying above-mentioned display panels and driving method thereof, comprises aforesaid display panels; And can also comprise a backlight module, be to be arranged at display panels below, i.e. first substrate side.Wherein, backlight module can be backlight module known in the art, therefore do not repeat them here.Be preferably, the backlight module using in liquid crystal display of the present invention, is for the backlight module of collimated backlight can be provided.
Accompanying drawing explanation
For being illustrated more clearly in the present invention, below enumerate preferred embodiment and coordinate accompanying drawing to be described in detail as follows, wherein:
Fig. 1 be the embodiment of the present invention 1 display panels apply the diagrammatic cross-section after bias voltage.
Fig. 2 be the embodiment of the present invention 1 display panels apply the perspective exploded view before bias voltage.
Fig. 3 be the embodiment of the present invention 2 display panels apply the schematic perspective view before bias voltage.
Fig. 4 be the embodiment of the present invention 3 display panels apply the diagrammatic cross-section after bias voltage.
Fig. 5 is the schematic perspective view of the second electrode lay on the second substrate of display panels of the embodiment of the present invention 4.
Fig. 6 is the schematic perspective view of the second electrode lay on the second substrate of display panels of the embodiment of the present invention 5.
Fig. 7 is the liquid crystal display schematic diagram of the embodiment of the present invention 6.
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, the personage who has the knack of this technology can understand other advantages of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented or be applied by other different specific embodiments, and the every details in this instructions also can, for different viewpoints and application, be carried out various modifications and change under not departing from spirit of the present invention.
Embodiment 1
Fig. 1 be the present embodiment display panels apply the diagrammatic cross-section after bias voltage, Fig. 2 be the present embodiment display panels apply the perspective exploded view before bias voltage.
Please also refer to Fig. 1 and Fig. 2, the display panels of the present embodiment comprises: a first substrate 11 is to be provided with one first electrode layer 12, and the first electrode layer 12 is to have a first surface 121; One second substrate 15, with respect to first substrate 11 configured in parallel, second substrate 15 is to be provided with a second electrode lay 14, the second electrode lay 14 has a second surface 141, and second surface 141 is mutually corresponding with the first surface 121 of the first electrode layer 12; One blue phase liquid crystal layer 13, comprises a blue phase liquid crystal, and blue phase liquid crystal layer 13 is to be arranged at 15 of first substrate 11 and second substrates; And a shading region 16, be to be arranged on the surface with respect to the first electrode layer 12 of second substrate 15.Wherein, the first surface 121 of the first electrode layer 12 and the second surface 141 of the second electrode lay 14 are in a first area R
1in distance L
1be first surface 121 with the first electrode layer 12 with second substrate 15 in a second area R
2in distance L
2different.The patterned shape of the second electrode lay 14 wherein, can be wave electrode, meander electrode, strip shaped electric poles or has the electrode of opening, only needs first area R
1with second area R
2electrode layer pattern different.Be preferably, patterned electrodes is for having the electrode of an opening; Wherein, the pattern of opening there is no particular restriction; And L
1and L
2can there is different variations because electrode pattern or patterns of openings are different, so do not limit the first electrode layer or whether the second electrode lay is uniform thickness, now L
2distance to take the average thickness of electrode layer be benchmark, as long as L
1and L
2distance is different can reach different variations in refractive index, meets design requirement.Therefore, when being irradiated a light source by a side of first substrate 11 in blue phase liquid crystal layer 13 time, by the first electrode layer 12 and 14 of the second electrode lays are applied to a bias voltage, so that blue phase liquid crystal layer 13 is produced to refractive index gradients, distribute, with by the light-resource fousing by blue phase liquid crystal layer 13 in shading region 16.At this, first substrate 11 is thin film transistor (TFT) side group plate, and second substrate 15 is colored filter side group plate.In the present embodiment, shading region 16 is arranged in opening 142, but in other embodiment, and shading region 16 also can be arranged in non-opening 142 and more can not affect aperture opening ratio, for example, be the black matrix" of colored filter.Look closely its first area R
1and second area R
2position Design and the position that set to focus on and determining.
In the present embodiment, first substrate 11 is glass substrate with second substrate 15, and the first electrode layer 12 is ITO electrode with the second electrode lay 14.Wherein, the first electrode layer 12 is to be a plate electrode, and the second electrode lay 14 is to be a patterned electrodes, the second electrode lay 14 has one and is shaped as circular opening 142, and shading region 16 is to be arranged in the opening 142 of the second electrode lay 14 and the position of pressing rear light to assemble for switching on.In addition, blue phase liquid crystal layer 13, except blue phase liquid crystal, also comprises the polymkeric substance of a stable blue phase liquid crystal.
As shown in Figure 2, when not applying voltage between the first electrode layer and the second electrode lay, the blue phase liquid crystal in blue phase liquid crystal layer 13 has the tropisms such as optics, and now the light source by blue phase liquid crystal layer can not produce deviation.Therefore,, when irradiated a light source (please refer to Fig. 1 arrow shown in) in blue phase liquid crystal layer 13 time by a side of first substrate 11, light source can not focused on by blue phase liquid crystal and present bright state.
As shown in Figure 1, when applying after bias voltage in 11 layers, the first electrode and 14 of the second electrode lays, because the second electrode lay 14 has an opening 142, therefore formed non homogen field can cause blue phase liquid crystal layer 13 to have the variation of refractive index gradient, and can be used as refractive index gradient lens, light source (as shown in arrow) the travel path deviation that a side by first substrate 11 is provided, and focus on and on shading region 16, present dark state.In the present embodiment, after applying bias voltage, the variation of refractive index is for peripheral refraction rate is less, and more past opening 142 center refractive indexes are larger.But in other embodiment, the variation of refractive index also can from center, more past peripheral refractive index be less, looks closely design requirement.
Therefore, the display panels of the present embodiment, by forming a non homogen field, can utilize the formed refractive index gradient lens of blue phase liquid crystal, adjusts light focusing degree, and makes display panel present bright state, dark state or gray scale states.Thus, compared to known display panels, the display panels of the present embodiment need not be used polaroid in addition, thus can avoid the situation of polaroid extinction, and promote backlight module service efficiency.
Embodiment 2
Fig. 3 be the present embodiment display panels apply the schematic perspective view before bias voltage.As shown in Figure 3, the structure of the display panels of the present embodiment and driving method are identical with embodiment 1, except being also provided with a microlens array 17 in the second electrode lay 14 belows and with respect to the first electrode layer 12; Can help by the focusing of the light of blue phase liquid crystal layer 13 thus.In other embodiment, this microlens array also can be arranged between the second electrode lay 14 and second substrate 15, looks closely the demand of design.
Embodiment 3
Fig. 4 be the present embodiment display panels apply the diagrammatic cross-section after bias voltage.As shown in Figure 4, the structure of the display panels of the present embodiment and driving method are identical with embodiment 1, except being also provided with a dielectric layer 19 in the second electrode lay 14 belows and with respect to the first electrode layer 12, to help by the focusing of the light of blue phase liquid crystal layer 13.In addition, the display panels of the present embodiment is not provided with the shading region of embodiment 1, but by through the light focusing of blue phase liquid crystal layer 13 on the black matrix" of colored filter 18, with black matrix", reach light-absorbing effect.
Embodiment 4
Fig. 5 is the schematic perspective view of the second electrode lay on the second substrate of display panels of the present embodiment.Because structure and the driving method of the display panels of the present embodiment is identical with embodiment 1, therefore accompanying drawing only discloses difference from Example 1.As shown in Figure 5, the opening 142 of the second electrode lay 14 on the second substrate 15 of the present embodiment, is to be a cross opening.In this embodiment, shading region can be arranged at (not shown) in opening.In other embodiment, shading region can be arranged at the peripheral (not shown) of electrode layer, and does not affect aperture opening ratio.
Embodiment 5
Fig. 6 is the schematic perspective view of the second electrode lay on the second substrate of display panels of the present embodiment.Because structure and the driving method of the display panels of the present embodiment is identical with embodiment 1, therefore accompanying drawing only discloses difference from Example 1.As shown in Figure 5, the opening 142 of the second electrode lay 14 on the second substrate 15 of the present embodiment, is to be one " side herringbone " type opening, is as a power rod type opening.In this embodiment, shading region can be arranged at (not shown) in opening.In other embodiment, shading region can be arranged at the peripheral (not shown) of electrode layer, and does not affect aperture opening ratio.
Embodiment 6
Fig. 7 be the present embodiment liquid crystal display schematic diagram, wherein the present embodiment liquid crystal display 7 be to comprise aforesaid display panels.
Above-described embodiment is only to give an example for convenience of description, and the interest field that the present invention advocates should be as the criterion with described in claim certainly, but not only limits to above-described embodiment.
Claims (20)
1. a display panels, comprising:
One first substrate, is provided with one first electrode layer;
One second substrate, is provided with a second electrode lay, and this first electrode layer and this second electrode lay are oppositely arranged;
One blue phase liquid crystal layer, comprises a blue phase liquid crystal, and this blue phase liquid crystal layer is arranged between this first substrate and this second substrate; And
One shading region, is arranged on this second substrate;
Wherein, by applying a bias voltage between this first electrode layer and this second electrode lay, make this blue phase liquid crystal layer produce refractive index gradient and distribute, with by the light-resource fousing by this blue phase liquid crystal layer in this shading region.
2. display panels as claimed in claim 1, wherein this first electrode layer is a plate electrode, and this second electrode lay is a patterned electrodes.
3. display panels as claimed in claim 2, wherein this second electrode lay has an opening.
4. display panels as claimed in claim 3, wherein this shading region is located on this second substrate, and is arranged in this opening of this second electrode lay.
5. display panels as claimed in claim 1, wherein this shading region is a light-absorption layer or a reflection horizon.
6. display panels as claimed in claim 1, also comprises a dielectric layer or a microlens array, is located on this second electrode lay.
7. display panels as claimed in claim 1, wherein, when the refractive index of the two layers of material of sandwiched this first electrode layer or this second electrode lay is when the refractive index of the electrode material of this first electrode layer or this second electrode lay is high or low simultaneously, the thickness of this first electrode layer or this second electrode lay meets following formula (I):
Thickness=(lambda1-wavelength)/(2x electrode material refractive index) formula (I).
8. display panels as claimed in claim 1, wherein when the refractive index of a side material of this first electrode layer or this second electrode lay, the refractive index of the electrode material of this first electrode layer or this second electrode lay is low, and the refractive index of the opposite side material of this first electrode layer or this second electrode lay is when the refractive index of this electrode material is high, the thickness of this first electrode layer or this second electrode lay meets following formula (II):
Thickness=(lambda1-wavelength)/(4x electrode material refractive index) formula (II).
9. display panels as claimed in claim 1, wherein this shading region is the black matrix" in this second substrate outside.
10. a driving method for display panels, comprises the following steps:
(A) provide a display panels, this display panels comprises:
One first substrate, is provided with one first electrode layer;
One second substrate, is provided with a second electrode lay, and this first electrode layer and this second electrode lay are oppositely arranged;
One blue phase liquid crystal layer, comprises a blue phase liquid crystal, and this blue phase liquid crystal layer is arranged between this first substrate and this second substrate; And
One shading region, is arranged on this second substrate; And
(B) apply one and be biased between this first electrode layer and this second electrode lay, to produce refractive index gradient in this blue phase liquid crystal layer, distribute, with by the light-resource fousing by this blue phase liquid crystal layer in this shading region.
The driving method of 11. display panels as claimed in claim 10, wherein this first electrode layer is a plate electrode, and this second electrode lay is a patterned electrodes.
The driving method of 12. display panels as claimed in claim 10, wherein this second electrode lay has an opening.
The driving method of 13. display panels as claimed in claim 11, wherein this shading region is located on this second substrate, and is arranged in this opening of this second electrode lay.
The driving method of 14. display panels as claimed in claim 10, wherein this shading region is a light-absorption layer or a reflection horizon.
The driving method of 15. display panels as claimed in claim 10, wherein this display panels also comprises dielectric layer one microlens array, is located on this second electrode lay.
The driving method of 16. display panels as claimed in claim 10, wherein, when the refractive index of the two layers of material of sandwiched this first electrode layer or this second electrode lay is when the refractive index of the electrode material of this first electrode layer or this second electrode lay is high or low simultaneously, the thickness of this first electrode layer or this second electrode lay meets following formula (I):
Thickness=(lambda1-wavelength)/(2x electrode material refractive index) formula (I).
The driving method of 17. display panels as claimed in claim 10, wherein when the refractive index of a side material of this first electrode layer or this second electrode lay, the refractive index of the electrode material of this first electrode layer or this second electrode lay is low, and the refractive index of the opposite side material of this first electrode layer or this second electrode lay is when the refractive index of this electrode material is high, the thickness of this first electrode layer or this second electrode lay meets following formula (II):
Thickness=(lambda1-wavelength)/(4x electrode material refractive index) formula (II).
18. driving methods as claimed in claim 10, wherein this shading region is the black matrix" in this second substrate outside.
19. 1 kinds of liquid crystal displays, comprising:
One display panels, comprising:
One first substrate, is provided with one first electrode layer;
One second substrate, is provided with a second electrode lay, and this first electrode layer and this second electrode lay are oppositely arranged;
One blue phase liquid crystal layer, comprises a blue phase liquid crystal, and this blue phase liquid crystal layer is arranged between this first substrate and this second substrate; And
One shading region, is arranged on this second substrate;
Wherein, by this first electrode layer and this second electrode lay are applied to a bias voltage, make this blue phase liquid crystal layer produce refractive index gradient and distribute, with by the light-resource fousing by this blue phase liquid crystal layer in this shading region.
20. liquid crystal displays as claimed in claim 19, wherein this second electrode lay has an opening.
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| CN104698674A (en) * | 2015-03-30 | 2015-06-10 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN105116660A (en) * | 2015-08-25 | 2015-12-02 | 昆山龙腾光电有限公司 | Blue phase liquid crystal display panel |
| CN106526993A (en) * | 2017-01-13 | 2017-03-22 | 京东方科技集团股份有限公司 | Liquid crystal display and driving method thereof |
| CN106773314A (en) * | 2017-01-12 | 2017-05-31 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| CN106847208A (en) * | 2017-01-13 | 2017-06-13 | 京东方科技集团股份有限公司 | A kind of Liquid Crystal Display And Method For Driving |
| CN108415190A (en) * | 2018-03-12 | 2018-08-17 | 京东方科技集团股份有限公司 | Display panel and its grayscale regulation and control method and display device |
| CN108594517A (en) * | 2018-05-04 | 2018-09-28 | 京东方科技集团股份有限公司 | A kind of liquid crystal display device and its control method |
| CN110412801A (en) * | 2019-07-31 | 2019-11-05 | 京东方科技集团股份有限公司 | Display panel and display device |
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