CN104297997A - Liquid crystal display panel, and display method and display device thereof - Google Patents
Liquid crystal display panel, and display method and display device thereof Download PDFInfo
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- CN104297997A CN104297997A CN201410635640.XA CN201410635640A CN104297997A CN 104297997 A CN104297997 A CN 104297997A CN 201410635640 A CN201410635640 A CN 201410635640A CN 104297997 A CN104297997 A CN 104297997A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
- G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
Abstract
The invention discloses a liquid crystal display panel, and a display method and a display device thereof, which are applied to the transparent display and are used for simultaneously realizing transparent display and normal display. The liquid crystal display panel comprises a transparent liquid crystal display module and a transparent liquid crystal module which are mutually bonded, a first polarizer which is arranged on one side of the transparent liquid crystal display module, and a second polarizer which is arranged on one side of the transparent liquid crystal module, wherein the direction of a light transmission axis of the first polarizer is parallel to that of the second polarizer; the transparent liquid crystal module comprises a first transparent base plate and a second transparent base plate which are oppositely arranged, and a liquid crystal layer which is formed between the first transparent base plate and the second transparent base plate, and the transparent liquid crystal module is divided into a first area and a second area; when the power is not applied, the transparent liquid crystal module enables the transmission direction of the polarized light entering the first area and the second area to be rotated by 90 degrees; and when the power is applied, the transparent liquid crystal module enables the transmission direction of the polarized light entering the first area to be rotated by 90 degrees and the transmission direction of the polarized light entering the second area to be the same.
Description
Technical field
The present invention relates to display technology field, particularly relate to a kind of display panels and display packing, display device.
Background technology
Liquid crystal indicator (Liquid Crystal Display, LCD) has that fuselage is thin, power saving, the many merits such as radiationless, be widely used.Current liquid crystal display adopts twisted nematic (Twisted Nematic, TN), senior super Wei Chang changes (Advanced Super Dimension Switch, ADS), in-plane conversion (In-Plane-Switching, and vertical orientation (Vertical Alignment IPS), the display mode such as VA), wherein, TN type display mode is normal white display mode, ADS type, IPS type and VA type display mode are normal black display mode, in actual applications, higher contrast can be obtained owing to adopting during normal black display mode display, therefore the normal black display mode of general employing realizes display.
The liquid crystal display module of the normal black display of prior art as shown in Figure 1, comprise the array base palte 10 and color membrane substrates 11 that are oppositely arranged, and the liquid crystal layer 12 between array base palte 10 and color membrane substrates 11, array base palte 10 is provided with polaroid 13 in liquid crystal layer 12 side dorsad, color membrane substrates 11 is provided with polaroid 14 in liquid crystal layer 12 side dorsad, polaroid 13 becomes 90 degree of angles with the light transmission shaft direction of polaroid 14, as shown in the direction of arrow in figure.Array base palte 10 is provided with alignment films 15 towards liquid crystal layer 12 side, color membrane substrates 11 is provided with alignment films 16 towards liquid crystal layer 12 side, alignment films 15 and alignment films 16 carry out orientation by friction orientation technique to the liquid crystal molecule in liquid crystal layer 12, make the long axis direction of liquid crystal molecule parallel with the light transmission shaft direction of polaroid 13, vertical with the light transmission shaft direction of polaroid 14, birefringence is there is not by the polarized light of polaroid 13, the direction of propagation of polarized light does not change, because polaroid 13 becomes 90 degree of angles with the light transmission shaft direction of polaroid 14, therefore, by the polarized light of polaroid 13 not by polaroid 14, therefore this liquid crystal display module is normal black display when not powering up.
And in Transparence Display application, wish the normal white mode using liquid crystal display, be pellucidity when namely not powering up, when carrying out when adopting common TN type display mode often showing in vain, contrast during liquid crystal indicator display is lower.When the light transmission shaft direction of upper and lower polaroid in the liquid crystal display module by changing the normal black display of prior art, change into by the light transmission shaft direction of upper polaroid and the light transmission shaft direction of lower polaroid and be parallel to each other, realize normal white display, contrast during liquid crystal indicator display is lower equally, and display effect is poor.
In sum, prior art is when Transparence Display is applied, and when the display panels according to normal black display shows, then the transparency in Transparence Display region is lower, well can not realize Transparence Display; And when adopting the display panels of normal white display to show, then contrast when normally showing is lower, causes the display effect of liquid crystal indicator poor.
Summary of the invention
Embodiments provide a kind of display panels and display packing, display device, in order in Transparence Display application, realize Transparence Display and normal display simultaneously.
A kind of display panels that the embodiment of the present invention provides, comprises the transparent liquid crystal display module that side is provided with the first polaroid, shows with described transparent liquid crystal the transparent liquid crystal module that module fits, wherein,
Described transparent liquid crystal module arranges the second polaroid away from the side of described transparent liquid crystal display module, described second polaroid and described first polaroid are just to setting, and the light transmission shaft direction of described first polaroid is parallel with the light transmission shaft direction of described second polaroid;
Described transparent liquid crystal module comprises the first transparency carrier and the second transparency carrier that are oppositely arranged, and the liquid crystal layer between described first transparency carrier and described second transparency carrier, and described transparent liquid crystal module is divided into first area and second area;
In described first area, described first transparency carrier is arranging the first alignment films towards the side of described liquid crystal layer; Described second transparency carrier is arranging the second alignment films towards the side of described liquid crystal layer;
In described second area, described first transparency carrier is setting gradually the first transparency electrode and the first alignment films towards the side of described liquid crystal layer; Described second transparency carrier is setting gradually the second transparency electrode and the second alignment films towards the side of described liquid crystal layer.
The display panels provided by the embodiment of the present invention, comprise the transparent liquid crystal display module and transparent liquid crystal module that fit together, transparent liquid crystal display module is provided with the first polaroid away from transparent liquid crystal module side, transparent liquid crystal module arranges the second polaroid away from the side of transparent liquid crystal display module, the light transmission shaft direction of the first polaroid is parallel with the light transmission shaft direction of the second polaroid, and transparent liquid crystal module comprises the first transparency carrier and the second transparency carrier that are oppositely arranged, and the liquid crystal layer between the first transparency carrier and the second transparency carrier, described transparent liquid crystal module is divided into first area and second area, in first area, first transparency carrier is arranging the first alignment films towards the side of liquid crystal layer, second transparency carrier is arranging the second alignment films towards the side of liquid crystal layer, and in second area, the first transparency carrier is setting gradually the first transparency electrode and the first alignment films towards the side of liquid crystal layer, second transparency carrier is setting gradually the second transparency electrode and the second alignment films towards the side of liquid crystal layer, therefore, according to the display needs realized, liquid crystal molecule in liquid crystal layer in transparent liquid crystal module can be carried out certain orientation by the first alignment films and the second alignment films, make when transparent liquid crystal module does not power up after orientation, by entering the direction of propagation 90-degree rotation of the polarized light of first area and second area after the first polaroid or the second polaroid, namely the effect of transparent liquid crystal module is equivalent to a half-wave plate, transparent liquid crystal module is equivalent to be fitted in of the opposite side of the transparent liquid crystal display module polaroid vertical with the light transmission shaft direction of the first polaroid, display panels can realize normal display, identical with the display of the liquid crystal display module of the normal black display mode of prior art, when transparent liquid crystal module powers up, by entering the direction of propagation 90-degree rotation of the polarized light of first area after the first polaroid or the second polaroid, the direction of propagation entering the polarized light of second area is constant, at this moment it is identical when first area does not power up with transparent liquid crystal module, display panels still can normally show with corresponding region, first area, and due to the direction of propagation of the polarized light entering second area constant, the now event resolves of transparent liquid crystal module half-wave plate in the second area, now the transmitance of polarization light reaches larger raising, display panels can realize Transparence Display with second area corresponding region, namely when transparent liquid crystal module powers up, Transparence Display and normal display can be realized simultaneously.
Preferably, the retardation of described liquid crystal layer is λ/2, and λ is the wavelength of incident polarized light;
Described first alignment films and described second alignment films are used for the liquid crystal molecular orientation in described liquid crystal layer, make the orientation of described liquid crystal molecule when not powering up become miter angle with the light transmission shaft direction of described second polaroid.
Like this, can be good at controlling the direction of propagation of polarized light by this transparent liquid crystal module.
Preferably, the liquid crystal molecule in described liquid crystal layer is positivity liquid crystal molecule.
Like this, use positivity liquid crystal molecule convenient, simple in actual applications.
Preferably, the material of described first transparency electrode is tin indium oxide, and the material of described second transparency electrode is tin indium oxide.
Like this, the material of the first transparency electrode is tin indium oxide, when the material of the second transparency electrode is tin indium oxide, convenient, simple when making transparency electrode.
Preferably, described first transparency carrier and described second transparency carrier are glass substrate.
Like this, the first transparency carrier and the second transparency carrier are glass substrate, convenient, simple in actual applications.
Preferably, described transparent liquid crystal display module comprises the array base palte and color membrane substrates that are oppositely arranged, and described transparent liquid crystal module and described array base palte are fitted; Or described transparent liquid crystal module and described color membrane substrates are fitted.
Like this, the display panels required for combination that can be convenient.
Preferably, by transparent adhesive tape, described transparent liquid crystal module and described array base palte are fitted; Or, by transparent adhesive tape, described transparent liquid crystal module and described color membrane substrates are fitted.
Like this, the transmittance of light can not be reduced with transparent adhesive tape, can be good at transparent liquid crystal being shown module and the laminating of transparent liquid crystal module simultaneously.
The embodiment of the present invention additionally provides a kind of display device, and this display device comprises above-mentioned display panels.
The display device provided due to the embodiment of the present invention comprises above-mentioned display panels, and therefore this display device is in Transparence Display application, can realize Transparence Display and normal display simultaneously.
The embodiment of the present invention additionally provides a kind of display packing of above-mentioned display panels, and described display packing comprises:
Control transparent liquid crystal display module to power up, and control transparent liquid crystal module and do not power up, the liquid crystal molecule in transparent liquid crystal module will enter into the direction of propagation 90-degree rotation of the polarized light of first area and second area, and described display panels realizes normal display;
Control transparent liquid crystal display module to power up, and control transparent liquid crystal module and power up, liquid crystal molecule in transparent liquid crystal module will enter into the direction of propagation 90-degree rotation of the polarized light of first area, and described display panels is realizing normally showing with corresponding region, described first area; Liquid crystal molecule in transparent liquid crystal module does not change the direction of propagation of the polarized light entering into second area, and described display panels is realizing Transparence Display with described second area corresponding region.
The display packing of the above-mentioned display panels provided by the embodiment of the present invention, when display panels realizes display by the method, in Transparence Display application, can realize Transparence Display and normal display simultaneously.
Accompanying drawing explanation
Fig. 1 is the liquid crystal display module structural representation of the normal black display mode of prior art;
A kind of structure of liquid crystal display panel schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the transparent liquid crystal module that Fig. 3 provides for the embodiment of the present invention;
The display panels that Fig. 4 provides for the embodiment of the present invention one realizes structural representation during normal display;
Fig. 5 is structural representation when display panels that the embodiment of the present invention one provides realizes normal display and Transparence Display simultaneously;
The display panels that Fig. 6 provides for the embodiment of the present invention two realizes structural representation during normal display;
Fig. 7 is structural representation when display panels that the embodiment of the present invention two provides realizes normal display and Transparence Display simultaneously;
The display packing process flow diagram of a kind of display panels that Fig. 8 provides for the embodiment of the present invention.
Embodiment
Embodiments provide a kind of display panels and display packing, display device, in order in Transparence Display application, realize Transparence Display and normal display simultaneously.
Unless otherwise defined, the technical term that uses of the embodiment of the present invention or scientific terminology should be in field belonging to the present invention the ordinary meaning that the personage with general technical ability understands." first ", " second " that use in patent application specification of the present invention and claims and similar word do not represent any order, quantity or importance, and are only used to distinguish different ingredients.Equally, the similar word such as " ", " " or " being somebody's turn to do " does not represent restricted number yet, but represents to there is at least one." to comprise " or the similar word such as " comprising " means to occur that element before this word or object contain the element or object that appear at this word presented hereinafter and equivalent, and do not get rid of other elements or object." on ", D score, "left", "right", " end ", " top " etc. only for representing relative position relation, after the absolute position being described object changes, then this relative position relation also may correspondingly change.
The display panels and display packing thereof that the specific embodiment of the invention provides is introduced in detail below in conjunction with accompanying drawing.
As shown in Figure 2, the specific embodiment of the invention provides a kind of display panels, comprises the transparent liquid crystal display module 21 that side is provided with the first polaroid 23, shows with transparent liquid crystal the transparent liquid crystal module 22 that module 21 fits, wherein,
Transparent liquid crystal module 22 arranges the second polaroid 24 away from the side of transparent liquid crystal display module 21, second polaroid 24 and the first polaroid 23 are just to setting, the light transmission shaft direction of the first polaroid 23 is parallel with the light transmission shaft direction of the second polaroid 24, direction as shown by arrows in FIG.;
As shown in Figure 3, transparent liquid crystal module 22 comprises the first transparency carrier 31 and the second transparency carrier 32 be oppositely arranged, and the liquid crystal layer 33 between the first transparency carrier 31 and the second transparency carrier 32, transparent liquid crystal module 22 is divided into first area 221 and second area 222;
In first area 221, the first transparency carrier 31 is arranging the first alignment films 35 towards the side of liquid crystal layer 33; Second transparency carrier 32 is arranging the second alignment films 37 towards the side of liquid crystal layer 33;
In second area 222, the first transparency carrier 31 is setting gradually the first transparency electrode 34 and the first alignment films 35 towards the side of liquid crystal layer 33; Second transparency carrier 32 is setting gradually the second transparency electrode 36 and the second alignment films 37 towards the side of liquid crystal layer 33.
Particularly, in actual fabrication process, first transparency carrier 31 makes the first transparency electrode 34, the first transparency electrode being arranged in first area 221 is removed by patterning processes, only retain the first transparency electrode being arranged in second area 222, patterning processes here comprises the process of removing photoresist after photoetching, etching and etching.In like manner, the second transparency carrier 32 makes the second transparency electrode 36.Then on the first transparency carrier 31 being manufactured with the first transparency electrode 34, make the first alignment films 35, first alignment films 35 be positioned at first area 221 and second area 222; The second transparency carrier 32 being manufactured with the second transparency electrode 36 makes the second alignment films 37, second alignment films 37 and is positioned at first area 221 and second area 222.
Preferably, liquid crystal molecule in the specific embodiment of the invention in liquid crystal layer 33 is positivity liquid crystal molecule, the retardation of liquid crystal layer is λ/2, λ is the wavelength of incident polarized light, retardation refers to Δ n*d, and Δ n refers to the birefraction of liquid crystal, and d refers to the thickness of liquid crystal layer, first alignment films 35 and the second alignment films 37, for the liquid crystal molecular orientation in liquid crystal layer 33, make the orientation of the liquid crystal molecule in this liquid crystal layer when not powering up become miter angle with the light transmission shaft direction of the second polaroid 24.
Certainly, the liquid crystal molecule in the specific embodiment of the invention in transparent liquid crystal module also can select negative liquid crystal molecule, and when liquid crystal molecule is that negative liquid crystal divides the period of the day from 11 p.m. to 1 a.m, this liquid crystal molecule, by after friction orientation technique orientation, is oriented to vertical direction when not powering up.When applying voltage to transparent liquid crystal module, the liquid crystal molecule in transparent liquid crystal module is in horizontality, now can by the light transmission shaft direction of the alive size long axis direction and the second polaroid that control this negative liquid crystal molecule become miter angle.
Preferably, in the specific embodiment of the invention, the first transparency carrier 31 is glass substrate, second transparency carrier 32 is glass substrate, first transparency electrode 34 is transparent metal electrode, second transparency electrode 36 is transparent metal electrode, in the specific embodiment of the invention, the material preferential oxidation indium tin (Indium Tin Oxide, ITO) of the first transparency electrode 34 and the second transparency electrode 36, makes transparency electrode with ITO convenient in actual production manufacturing process.
Transparent liquid crystal display module in the specific embodiment of the invention is identical with the structure of the liquid crystal display module of the normal black display of prior art, comprise the array base palte and color membrane substrates that are oppositely arranged, and the liquid crystal layer between array base palte and color membrane substrates, just eliminate the polaroid with transparent liquid crystal module bonding position place, specifically can see Fig. 1.
Transparent liquid crystal display module in the specific embodiment of the invention is introduced for IPS type liquid crystal display module, and the liquid crystal molecules parallel of IPS liquid crystal display module is in screen, and the electrode controlling liquid crystal molecule rotation is all done on array base palte.When no voltage is applied, the complete non rotating of liquid crystal, two polaroids become 90 degree vertically, will demonstrate purer black; Apply after voltage, liquid crystal molecule rotates, and make horizontal polarization light be transformed into orthogonal polarized light, light just can pass through, by changing the electric field level being applied to liquid crystal molecule both sides, control switchable polarisation light number, reach the object controlling light.
The display packing of the display panels that the specific embodiment of the invention provides is introduced in detail below in conjunction with accompanying drawing.
Embodiment one:
When the array base palte that transparent liquid crystal module and transparent liquid crystal show in module is fitted, as shown in Figure 4, transparent liquid crystal display module in the specific embodiment of the invention comprises the array base palte 10 and color membrane substrates 11 that are oppositely arranged, and the liquid crystal layer 12 between array base palte 10 and color membrane substrates 11, first polaroid 23 of color membrane substrates 11 liquid crystal layer 12 side dorsad, alignment films 15 and alignment films 16 carry out orientation by friction orientation technique to the liquid crystal molecule in liquid crystal layer 12, make the long axis direction of liquid crystal molecule parallel with the light transmission shaft direction of the first polaroid 23, array base palte 10 and the second transparency carrier 32 of transparent liquid crystal module to be fit together the display panels formed in the specific embodiment of the invention by transparent adhesive tape 40.
First introduce when not needing to carry out Transparence Display, the display packing of the display panels that the specific embodiment of the invention provides:
Control transparent liquid crystal display module to power up, and control transparent liquid crystal module and do not power up,
As shown in Figure 4, the light that backlight sends enters into transparent liquid crystal module by the second polaroid 24, because the orientation of the liquid crystal molecule in now liquid crystal layer 33 becomes miter angle with the light transmission shaft direction of the second polaroid 24, namely the long axis direction of liquid crystal molecule becomes miter angle with the light transmission shaft direction of the second polaroid 24, the schematic diagram of liquid crystal molecule is only in figure, liquid crystal molecules tilt is illustrated be angle in order to clearly illustrate 45 degree, the plane at actual liquid crystal molecule place is parallel with the plane at the second polaroid place.Suppose that the light transmission shaft direction of the second polaroid 24 is the horizontal direction of arrow points in figure, liquid crystal molecule generation birefringence, and due to the retardation of liquid crystal layer be λ/2, transparent liquid crystal display module is entered after making the direction of propagation 90-degree rotation of the polarized light entering into transparent liquid crystal module, transparent liquid crystal module is equivalent to the effect of a half-wave plate, the direction of propagation now entering the polarized light of transparent liquid crystal display module is vertical with the light transmission shaft direction of the first polaroid 23, this situation is equivalent in the liquid crystal display module of the normal black display of prior art, the situation that the direction of the light transmission shaft of lower polaroid is vertical, therefore, now display panels can realize normal display.
In addition, when transparent liquid crystal display module does not apply voltage, display panels is equivalent to the vertical situation in the direction of the light transmission shaft of upper and lower polaroid in the liquid crystal display module of the normal black display of prior art equally, and now display panels is normal black display state.
Then when introduction needs to carry out Transparence Display, the display packing of the display panels that the specific embodiment of the invention provides:
Control transparent liquid crystal display module to power up, and control transparent liquid crystal module and also power up,
As shown in Figure 5, when applying a voltage to the two ends of the first transparency electrode 34 and the second transparency electrode 36, transparent liquid crystal module does not form electric field in first area 221, in second area 222, form vertical electric field, vertical electric field makes the liquid crystal molecule being positioned at second area 222 in liquid crystal layer 33 become vertical state along with added vertical electric field rotates.
When not forming vertical electric field in first area 221, the long axis direction of the liquid crystal molecule in first area 221 still becomes miter angle with the light transmission shaft direction of the second polaroid 24, when polarized light enters first area 221 by the second polaroid 24, retardation due to liquid crystal layer is λ/2, transparent liquid crystal display module is entered after making the direction of propagation 90-degree rotation of the polarized light entering into transparent liquid crystal module, now, display panels is realizing normally showing with corresponding region, first area 221.
When forming vertical electric field in second area 222, the long axis direction of the liquid crystal molecule in second area 222 is vertical with the light transmission shaft direction of the second polaroid 24, there is not birefringence in liquid crystal molecule, the direction of propagation now entering the polarized light in second area 222 is constant, because the light transmission shaft direction of the first polaroid 23 is parallel with the light transmission shaft direction of the second polaroid 24, therefore polarization luminous energy penetrates from the first polaroid 23, now the transmitance of second area 222 can be greatly improved, and display panels is realizing Transparence Display with second area 222 corresponding region.
In addition, when transparent liquid crystal display module does not power up, display panels and corresponding region, first area 221 are normal black display state; Be pellucidity with second area 222 corresponding region.
In the specific embodiment of the invention, the second area of transparent liquid crystal module just needs to power up switching to this transparent liquid crystal module when behind object seen by needs, when namely needing to carry out Transparence Display, after switching, its transmitance improves a lot, the transparent effect of second area can be better, as: when showing the article of antiques and so on, can show relevant information in first area and realize normal display, second area function is now mainly Transparence Display.Particularly, when realizing Transparence Display at the same time and normally show, for same frame image signal, when this picture signal exports, the signal needed when exporting normal display in first area, signal when the signal that second area exports is white picture, the signal namely exported at second area is the signal of most high gray.
When do not need to see behind object time, do not need to power up to transparent liquid crystal module, normal black display panels when showing of display panels and prior art is identical, and whole display panels all can realize normal display.By the display panels that the specific embodiment of the invention provides, normal display and Transparence Display can be taken into account, avoid the low problem low with transparency during Transparence Display of display panels contrast when normal display of prior art.
Embodiment two:
When the color membrane substrates that transparent liquid crystal module and transparent liquid crystal show in module is fitted, as shown in Figure 6.
When not needing to carry out Transparence Display, controlling transparent liquid crystal display module and powering up, and controlling transparent liquid crystal module and do not power up,
As shown in Figure 6, at this moment transparent liquid crystal module is still equivalent to the effect of a half-wave plate, the light transmission shaft direction of the first polaroid 23 is parallel with the light transmission shaft direction of the second polaroid 24, be equivalent to the situation that the direction of the light transmission shaft of upper and lower polaroid in the liquid crystal display module of the normal black display of prior art is vertical, therefore, display panels can realize normal display.The implementation procedure of specific implementation process and Fig. 4 is similar, repeats no more here.
When needs carry out Transparence Display, control transparent liquid crystal display module and power up, and control transparent liquid crystal module and also power up,
As shown in Figure 7, do not form vertical electric field in first area 221 at this moment, identical with the situation shown in Fig. 6, now, display panels is realizing normally showing with corresponding region, first area 221.And in second area 222, form vertical electric field, vertical electric field makes the liquid crystal molecule in second area 222 be vertically arrangement, liquid crystal molecule in second area 222 does not change the direction of propagation of polarized light, the transmitance of second area 222 can be greatly improved, and display panels is realizing Transparence Display with second area 222 corresponding region.The implementation procedure of specific implementation process and Fig. 5 is similar, repeats no more here.
As shown in Figure 8, the specific embodiment of the invention additionally provides a kind of display packing of display panels, and the method comprises:
S801, control transparent liquid crystal display module power up, and control transparent liquid crystal module and do not power up, liquid crystal molecule in transparent liquid crystal module will enter into the direction of propagation 90-degree rotation of the polarized light of first area and second area, and described display panels realizes normal display;
S802, control transparent liquid crystal display module power up, and control transparent liquid crystal module and power up, liquid crystal molecule in transparent liquid crystal module will enter into the direction of propagation 90-degree rotation of the polarized light of first area, and described display panels is realizing normally showing with corresponding region, described first area; Liquid crystal molecule in transparent liquid crystal module does not change the direction of propagation of the polarized light entering into second area, and described display panels is realizing Transparence Display with described second area corresponding region.
In sum, the specific embodiment of the invention is on the basis of the liquid crystal display module of the normal black display mode of prior art, remove the polaroid of liquid crystal display module side, and a transparent liquid crystal module of fitting in the side eliminating polaroid, two are fitted to the display panels in the module composition specific embodiment of the invention together, the light transmission shaft direction of the upper and lower polaroid of this display panels is parallel, when display panels needs normally to show, the transparent liquid crystal module of laminating is equivalent to a half-wave plate, makes the direction of propagation 90-degree rotation of polarized light.When display panels needs Transparence Display, the transparent liquid crystal module of laminating is still equivalent to a half-wave plate in the first region, and half-wave plate event resolves in the second area, the display panels corresponding with second area can realize Transparence Display.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (9)
1. a display panels, comprises the transparent liquid crystal display module that side is provided with the first polaroid, it is characterized in that, also comprise the transparent liquid crystal module showing module with described transparent liquid crystal and fit, wherein,
Described transparent liquid crystal module arranges the second polaroid away from the side of described transparent liquid crystal display module, described second polaroid and described first polaroid are just to setting, and the light transmission shaft direction of described first polaroid is parallel with the light transmission shaft direction of described second polaroid;
Described transparent liquid crystal module comprises the first transparency carrier and the second transparency carrier that are oppositely arranged, and the liquid crystal layer between described first transparency carrier and described second transparency carrier, and described transparent liquid crystal module is divided into first area and second area;
In described first area, described first transparency carrier is arranging the first alignment films towards the side of described liquid crystal layer; Described second transparency carrier is arranging the second alignment films towards the side of described liquid crystal layer;
In described second area, described first transparency carrier is setting gradually the first transparency electrode and the first alignment films towards the side of described liquid crystal layer; Described second transparency carrier is setting gradually the second transparency electrode and the second alignment films towards the side of described liquid crystal layer.
2. display panels according to claim 1, is characterized in that,
The retardation of described liquid crystal layer is λ/2, and λ is the wavelength of incident polarized light;
Described first alignment films and described second alignment films are used for the liquid crystal molecular orientation in described liquid crystal layer, make the orientation of described liquid crystal molecule when not powering up become miter angle with the light transmission shaft direction of described second polaroid.
3. display panels according to claim 2, is characterized in that, the liquid crystal molecule in described liquid crystal layer is positivity liquid crystal molecule.
4. display panels according to claim 1, is characterized in that, the material of described first transparency electrode is tin indium oxide, and the material of described second transparency electrode is tin indium oxide.
5. display panels according to claim 1, is characterized in that, described first transparency carrier and described second transparency carrier are glass substrate.
6. display panels according to claim 1, is characterized in that, described transparent liquid crystal display module comprises the array base palte and color membrane substrates that are oppositely arranged, and described transparent liquid crystal module and described array base palte are fitted; Or described transparent liquid crystal module and described color membrane substrates are fitted.
7. display panels according to claim 6, is characterized in that, described transparent liquid crystal module and described array base palte is fitted by transparent adhesive tape; Or, by transparent adhesive tape, described transparent liquid crystal module and described color membrane substrates are fitted.
8. a display device, is characterized in that, comprising: the display panels described in the arbitrary claim of claim 1-7.
9. a display packing for the display panels as described in claim as arbitrary in claim 1-7, is characterized in that, described display packing comprises:
Control transparent liquid crystal display module to power up, and control transparent liquid crystal module and do not power up, the liquid crystal molecule in transparent liquid crystal module will enter into the direction of propagation 90-degree rotation of the polarized light of first area and second area, and described display panels realizes normal display;
Control transparent liquid crystal display module to power up, and control transparent liquid crystal module and power up, liquid crystal molecule in transparent liquid crystal module will enter into the direction of propagation 90-degree rotation of the polarized light of first area, and described display panels is realizing normally showing with corresponding region, described first area; Liquid crystal molecule in transparent liquid crystal module does not change the direction of propagation of the polarized light entering into second area, and described display panels is realizing Transparence Display with described second area corresponding region.
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