CN104133319A - Display device - Google Patents
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- CN104133319A CN104133319A CN201410339053.6A CN201410339053A CN104133319A CN 104133319 A CN104133319 A CN 104133319A CN 201410339053 A CN201410339053 A CN 201410339053A CN 104133319 A CN104133319 A CN 104133319A
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Abstract
The invention relates to the technical field of display, and discloses a display device. According to the display device, a control panel is arranged on the side, emitting light, of a backlight module, the control module comprises a plurality of control units, the control units correspond to the positions of pixel units of the display panel one to one, and each control unit has a light-transmitting work state and a light-proof work state. When the pixel units are set to be in a dark state, the corresponding control units are in the light-proof state. When the pixel units are in the bright state, the corresponding control units are in the light-transmitting state. The phenomenon that light is leaked in the dark state of the pixel units or the image brightness is not low enough in the dark state can be effectively reduced, the pixel units can be dark enough in the dark state, the image contrast ratio is improved, and image display quality is guaranteed.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of display device.
Background technology
Liquid crystal indicator has the features such as volume is little, low in energy consumption, radiationless, manufacturing cost is relatively low, in current flat panel display market, has occupied leading position.The principle of liquid crystal indicator is: by driving the deflection of electric field controls liquid crystal molecule to realize the demonstration of specific grey-scale.
In order to make liquid crystal molecule regularly arranged by certain orientation, in the inner side of liquid crystal panel, be formed with oriented layer.But, for the liquid crystal molecule near oriented layer, be subject to oriented layer riveting and determine the impact of power, its deflection is had a strong impact on, cause in traditional liquid crystal indicator, be easy to occur the phenomenons such as dark state picture light leak or dark state picture brightness are low not, will cause like this picture quality variation, affected to a certain extent picture quality.
Summary of the invention
The invention provides a kind of liquid crystal indicator, in order to solve dark state picture light leak or the dark low not problem of state picture brightness of liquid crystal indicator.
For solving the problems of the technologies described above, the invention provides a kind of display device, comprise display panel and for described display panel provides the backlight module of light source, described display panel comprises a plurality of pixel cells, each pixel cell comprises bright state and dark two kinds of duties of state, and described display device also comprises:
Control panel, is arranged at the side that described backlight module emits beam, and comprises incidence surface and exiting surface;
Described control panel comprises a plurality of control modules, and described control module is corresponding one by one with the position of pixel cell, and described control module comprises printing opacity and light tight two kinds of duties;
Control module, when described pixel cell is dark state, controls corresponding control module light tight, when described pixel cell is bright state, controls corresponding control module printing opacity.
Display device as above, preferably, described control panel comprises the first substrate of box and second substrate, described control module is formed between described first substrate and second substrate, the outside surface of described first substrate is the exiting surface of described control panel, the incidence surface that the outside surface of described second substrate is described control panel;
Described control module comprises:
One container cavity is corresponding one by one with the position of described pixel cell;
Be filled in the transparent organic solvent in described container cavity, and be suspended in described transparent organic solvent and charged electrophoresis particle, at least a portion of described electrophoresis particle is light tight;
Described control module is arranged at around the cavity of described container cavity, for controlling described electrophoresis particle in the position of described container cavity, makes described control module in printing opacity or light tight state.
Display device as above, preferably, described control module also comprises:
Transparent microcapsules, are arranged in described container cavity, and described transparent organic solvent and electrophoresis particle are filled in described transparent microcapsules.
Display device as above, preferably, described electrophoresis particle is that integral body presents the first electric polarity or second electropolar sphere structure, comprising can not printing opacity and be first electropolar the first hemisphere, and can be reflective and be second electropolar the second hemisphere, the first electric polarity is contrary with the second electric polarity polarity.
Display device as above, preferably, applies the first electric signal in described control module, when controlling described electrophoresis particle and moving to the first area in described container cavity, is formed with the light transmission passage from incidence surface to exiting surface in described container cavity;
In described control module, apply the second electric signal, when controlling described electrophoresis particle and moving to the second area in described container cavity, described electrophoresis particle forms one and stops the restraining barrier that the light from incidence surface appears from exiting surface.
Display device as above, preferably, when described electrophoresis particle forms described restraining barrier, the first hemisphere of described electrophoresis particle is towards described exiting surface, and the second hemisphere is towards described incidence surface.
Display device as above, preferably, described control module comprises:
Be positioned at least one first electrode structure of the sidewall of described container cavity;
Be positioned at the second electrode structure of top and/or the bottom of described container cavity; With
Energising control module, for applying electric signal to described the first electrode structure or the second electrode structure, produces the electric field that acts on described electrophoresis particle, controls described electrophoresis particle and moves to the region that described container cavity is corresponding.
Display device as above, preferably, at described energising control module, to described the first electrode structure, apply described the first electric signal, when controlling described electrophoresis particle and moving to the first area in described container cavity, in described container cavity, be formed with the described light transmission passage from incidence surface to exiting surface;
At described energising control module, to described the second electrode structure, apply described the second electric signal, when controlling described electrophoresis particle and moving to the second area of described container cavity, described electrophoresis particle forms one and stops the described restraining barrier that the light from incidence surface appears from exiting surface.
Display device as above, preferably, described the second electric signal comprises on the second electrode structure that is applied to incidence surface one side, is first electropolar electric signal, and/or is applied on the second electrode structure of exiting surface one side, is second electropolar electric signal.
Display device as above, preferably, described the second electrode structure is only positioned at top or the bottom of described container cavity, and the electric polarity of described the second electric signal is contrary with the electric polarity of described electrophoresis particle.
Display device as above, preferably, described the second electrode structure is positioned at top and the bottom of described container cavity, and described the second electric signal comprises and passes into respectively the contrary sub-electric signal of two electric polarities that is positioned at the top of described container cavity and the second electrode structure of bottom.
Display device as above, preferably, described control panel is arranged at a side of described display panel display frame;
Described second substrate is the color membrane substrates of display panel.
Display device as above, preferably, described control panel is arranged between described display panel and backlight module;
Described first substrate is the array base palte of display panel.
The beneficial effect of technique scheme of the present invention is as follows:
In technique scheme, the side emitting beam at backlight module is provided with control panel, and wherein, control panel comprises a plurality of control modules, described control module is corresponding one by one with the pixel cell position of display panel, and described control module comprises printing opacity and light tight two kinds of duties.By setting, work as pixel cell while being dark state, corresponding control module is light tight, when described pixel cell is bright state, corresponding control module printing opacity, can effectively improve dark state light leak or the dark low not phenomenon of state picture brightness of pixel cell, make the dark state of pixel cell enough dark, improve the contrast of picture, guarantee the quality of picture disply.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 represents the structural representation of display device in the embodiment of the present invention;
Fig. 2 represents the structural representation one of a control module of control panel in the embodiment of the present invention;
The first job schematic diagram of control module in Fig. 3 presentation graphs 2 when light tight state;
The work schematic diagram of control module in Fig. 4 presentation graphs 2 when light transmission state;
Second the work schematic diagram of control module in Fig. 5 presentation graphs 2 when light tight state;
Three the work schematic diagram of control module in Fig. 6 presentation graphs 2 when light tight state;
Fig. 7 represents the structural representation two of a control module of control panel in the embodiment of the present invention;
The first job schematic diagram of control module in Fig. 8 presentation graphs 7 when light tight state;
The work schematic diagram of control module in Fig. 9 presentation graphs 7 when light transmission state;
Second the work schematic diagram of control module in Figure 10 presentation graphs 7 when light tight state;
Three the work schematic diagram of control module in Figure 11 presentation graphs 7 when light tight state.
Embodiment
In order to solve in conventional display device, the dark state light leak of pixel cell or the dark low not problem of state picture brightness, the invention provides a kind of display device, the side that described display device emits beam at backlight module is provided with a control panel, described control panel comprises a plurality of control modules, described control module is corresponding one by one with the position of pixel cell, and described control module comprises printing opacity and light tight two kinds of duties.By control module is set, when pixel cell is dark state, control corresponding control module light tight, when described pixel cell is bright state, control corresponding control module printing opacity, can effectively improve dark state light leak or the dark low not phenomenon of state picture brightness of pixel cell, make the dark state of pixel cell enough dark, improve the contrast of picture, guarantee the quality of picture disply.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Figure 1 shows that the structural representation of display device in the embodiment of the present invention, the structural representation of control panel control module in the embodiment of the present invention shown in Fig. 2.
Shown in Fig. 1 and Fig. 2, the display device in the embodiment of the present invention comprises display panel 2, provides the backlight module 3 of light source and control panel 1 for display panel 2.The agent structure of display panel 2 is array base palte (not shown) and the color membrane substrates (not shown) that box is arranged, and comprises a plurality of pixel cells 4.In order to realize colored demonstration, pixel cell 4 specifically can comprise red sub-pixel unit, green sub-pixels unit and blue subpixels unit, and utilizes spacing color mixed principle, realizes the demonstration of colour picture.Control panel 1 is arranged at the side that backlight module 3 emits beam, concrete, and control panel 1 can, between display panel 2 and backlight module 3, make the light that backlight module 3 sends after control panel 1, offer display panel 2 again.Control panel 1 also can be positioned at the side (side of display frame) that display panel 2 deviates from backlight module 3, and the light that backlight module 3 sends provides after display panel 2, then penetrates through control panel 1, as shown in Figure 1.Therefore, control panel 1 can be used for controlling and penetrate to the light of display frame one side.
In order to control each pixel cell 4, penetrate to the light of display frame one side, design control panel 1 comprises a plurality of control modules 5, and wherein, control module 5 is corresponding one by one with the position of pixel cell 4, and control module 5 comprises printing opacity and light tight two kinds of duties.By control module (not shown) is set, when pixel cell 4 is dark state, control corresponding control module 5 light tight, when pixel cell 4 is bright state, control corresponding control module 5 printing opacities, in the situation that guaranteeing display panel 2 normal demonstration, can effectively improve dark state light leak or the dark low not phenomenon of state picture brightness of pixel cell 4, thereby under the cooperation of control module 5, make the dark state of pixel cell 4 enough dark, improve the contrast of picture, guaranteed the quality of picture disply.
As a specific embodiment, control panel 1 comprises the first substrate 20 of box and second substrate 21, and between first substrate and second substrate formation control unit 5.Wherein, the outside surface of first substrate 20 is the exiting surface of control panel 1, and the outside surface of second substrate 21 is the incidence surface of control panel 1.Concrete, when control panel 1 is between display panel 2 and backlight module 3, the array base palte that first substrate 20 is display panel.When control panel 1 is positioned at a side of display panel 2 display frames, the color membrane substrates that second substrate 21 is display panel, to reduce the thickness of display device.
As shown in Figure 2, control module 5 specifically comprises a container cavity 10 and is filled in the transparent organic solvent 12 in container cavity 10, and is suspended in transparent organic solvent 12 and charged electrophoresis particle 13.Wherein, container cavity 10 is corresponding one by one with the position of pixel cell 4.At least a portion of electrophoresis particle 13 is light tight.
Described control module (not shown) is arranged at around the cavity of container cavity 10, can, by the mode of electric field is provided, control the position of electrophoresis particle 13 in container cavity 10.When controlling electrophoresis particle 13, move to the first area in container cavity 10, while being formed with the light transmission passage from incidence surface to exiting surface in container cavity 10, can so that control module 5 in light transmission state.Because at least a portion of electrophoresis particle 13 is light tight, thereby move to the second area in container cavity 10 when controlling electrophoresis particle 13, form one while stopping the restraining barrier that the light from incidence surface appears from exiting surface, can so that control module 5 in light tight state.
Further, described control module matches with the controller of display panel 2, specifically can be under the control of synchronizing signal, when pixel cell 4 is dark state, control corresponding control module 5 light tight, when pixel cell 4 is bright state, control corresponding control module 5 printing opacities.
Wherein, electrophoresis particle 13 integral body are positive polarity or negative polarity, and there is lighttight part, integral body all light tight (shown in Fig. 7-Figure 11) for example, or part light transmission part is light tight (shown in Fig. 2-Fig. 6, a part of 13a of electrophoresis particle is light tight, another part 13b printing opacity).And electrophoresis particle 13 can be regular/irregularly shaped.
Shown in Fig. 1 and Fig. 2, as an embodiment, electrophoresis particle 13 in the present invention can be that integral body presents the first electric polarity or second electropolar sphere structure, comprising can not printing opacity and be first electropolar the first hemisphere 13a, and can be reflective and be second electropolar the second hemisphere 13b.Wherein, the first electric polarity is contrary with the second electric polarity polarity.Visible, the electric polarity of the first hemisphere 13a and the second hemisphere 13b is contrary, and both differ in size, thus the electric polarity that electrophoresis particle 13 is presented on the whole have the hemisphere of larger electrode to have.For example, electrophoresis particle 13 can be the electrophoresis particle 13 of half black half white type, and it is comprised of the white hemisphere 13b that is the black hemisphere 13a of black and be white in color.Wherein, black, white hemisphere is respectively different electric polarities, and that electrophoresis particle 13 is done is as a whole, and the electric polarity presenting is identical with the electric polarity of black hemisphere 13a, or identical with the electric polarity of white hemisphere 13b.In addition, by the second reflective hemisphere 13b of energy is set, at electrophoresis particle 13, form the restraining barrier that stops that the light from incidence surface appears from exiting surface, make control module 5 when light tight state, can control the second hemisphere 13b towards the incidence surface of control panel 1, thereby the light of incident is reflected back into backlight module 3 again, for showing, improve the light utilization of backlight module 3, reduced energy consumption.
Preferably, control module 5 also comprises the transparent microcapsules 11 that are arranged in container cavity 10, and transparent organic solvent 12 and electrophoresis particle 13 are filled in transparent microcapsules 11.By transparent microcapsules 11 are set, can be so that electrophoresis particle 13 be gathered in certain region in transparent microcapsules 11 under the effect of certain direction electric field, due to particle and microcapsules cyst wall, and the interaction between ion, even if remove this electric field, also can be so that electrophoresis particle 13 be tightly packed and remain on for a long time this region.Only have when applying the electric field of other directions, the accumulation of particle just can be cleared up, and in another region of transparent microcapsules 11, forms new, stable tightly packed.Therefore, the control module 5 that is arranged so that of transparent microcapsules 11 has stable printing opacity and light tight state.And only when changing duty, just need to apply required electric field, energy consumption is very low.
Control module in the embodiment of the present invention can be controlled the position of electrophoresis particle 13 in container cavity 10 by applying the mode of electric field.
In a concrete embodiment, described control module applies the first electric signal, when control electrophoresis particle 13 moves to the first area in container cavity 10 under electric field action, in container cavity 10, be formed with the light transmission passage from incidence surface to exiting surface, shown in Fig. 1 and Fig. 4; And, described control module applies the second electric signal, when controlling electrophoresis particle 13 moving to the second area in container cavity 10 under electric field action, electrophoresis particle 13 forms one and stops the restraining barrier that the light from incidence surface appears from exiting surface, shown in Fig. 1 and Fig. 3.After electric signal is cancelled, electrophoresis particle 13 will rest in current region, keep light transmission passage or the restraining barrier of current formation.
When electrophoresis particle, serving as reasons to be black and to be electronegative black hemisphere 13a and to be white in color and to be electropositive white hemisphere 13b forms, and electrophoresis particle is done as a whole, while presenting electropositivity or electronegativity.Can apply corresponding electric signal by described control module, at electrophoresis particle, form while stopping the restraining barrier that the light from incidence surface appears from exiting surface, control the black hemisphere 13a of electrophoresis particle towards the exiting surface of control panel, white hemisphere 13b is towards the incidence surface of control panel, as shown in Figure 3.Like this, not only can utilize the light tight function of black hemisphere 13a, stop the light of incidence surface incident to see through electrophoresis particle arrival exiting surface, meanwhile, can also utilize the reflection function of white hemisphere 13b, the light reflection of incidence surface incident is back to backlight module, for showing, reduce the incident light that restraining barrier need to stop, when improving restraining barrier light blocking effect, can also greatly improve the light utilization ratio of backlight module.
Wherein, described control module can be following structure, for applying electric signal, controls the position of electrophoresis particle 13 in container cavity 10.
Concrete, described control module comprises:
Be arranged at least one first electrode structure (as 131 of Fig. 3-Fig. 6 and 132) of the sidewall of container cavity 10;
Be arranged in second electrode structure (as Fig. 3 and Fig. 4 are positioned at second electrode structure 133 at the top of container cavity 10, being positioned at the second electrode structure 134 of the bottom of container cavity 10) of top and/or the bottom of container cavity 10; With
Energising control module (not shown), for applying electric signal to described the first electrode structure or the second electrode structure, produces the electric field that acts on electrophoresis particle, controls the region that electrophoresis particle 13 moves to container cavity 10 correspondences.
Wherein, the top of definition container cavity 10 is positioned at a side at the exiting surface place of control panel, and the bottom of container cavity 10 is positioned at a side at the incidence surface place of control panel.
In the embodiment of the present invention, at described energising control module, to described the first electrode structure, apply the first electric signal, when control electrophoresis particle moves to the first area in container cavity 10, in container cavity 10, be formed with the light transmission passage from incidence surface to exiting surface, as shown in Figure 4.
At described energising control module, to described the second electrode structure, apply the second electric signal, when controlling electrophoresis particle and moving to the second area in container cavity 10, electrophoresis particle forms one and stops the restraining barrier that the light from incidence surface appears from exiting surface, as shown in Figure 3.
Here, described first area is close to the region of the sidewall of container cavity 10, and as shown in Figure 4, for example, and between the sidewall of described container cavity, distance is less than the region of the first preset value, to reduce the impact on pixel aperture ratio.Described second area is to be close to the top of container cavity 10 or the region of bottom, and for example, and between the top of container cavity 10 or bottom, distance is less than the region of the second preset value.
As a kind of preferred implementation, electrophoresis particle in the embodiment of the present invention is that integral body presents first electropolar sphere structure, comprising can not printing opacity and be first electropolar the first hemisphere 13a and can be reflective and be second electropolar the second hemisphere 13b, and the first electric polarity is contrary with the second electric polarity polarity.
In the embodiment of the present invention, at control electrophoresis particle, move to second area, while being close to the top of container cavity 10 or the region of bottom, can adopt single electrode to control or bipolar electrode control mode.Wherein, when single electrode is controlled, can only on the second electrode structure 134 of incidence surface one side, apply and be first electropolar electric signal, as shown in Figure 6, or, only on the second electrode structure 133 of exiting surface one side, apply and be second electropolar electric signal, as shown in Figure 5.When bipolar electrode is controlled, on the second electrode structure 134 of incidence surface one side, apply and be first electropolar electric signal, on the second electrode structure 133 of exiting surface one side, apply and be second electropolar electric signal, as shown in Figure 3 simultaneously.
By specifically describing in the embodiment of the present invention, how to adopt electrode structure to control the position of electrophoresis particle below, carry out the duty of switch control unit:
1) electrophoresis particle part is reflective, part is light tight, and the first electrode structure and the second electrode structure are bipolar electrode.
In Fig. 3 and Fig. 4, incidence surface is in the bottom of container cavity 10 side, and exiting surface is in the top of container cavity 10 side.Half spheroid 13b of electrophoresis particle is reflective, and is electropositivity, and another half spheroid 13a is light tight, and is electronegativity, does as a wholely, and electrophoresis particle integral body is electropositivity.Concrete, electrophoresis particle can adopt half black half white form, and wherein, 13a is light tight for black hemisphere, and white hemisphere 13b can be reflective.Now, the first electrode structure 131,132 and the second electrode structure 133,134 in control module 5 are all bipolar electrode structures, and wherein, the second electrode structure 133 is arranged on cavity top, and the second electrode structure 134 is arranged on cavity bottom.When needs form light restraining barrier in container cavity 10, can on second electrode structure 133 at cavity top, apply after positive voltage (being to apply the electric signal that electric polarity is contrary with light tight hemisphere 13a on the second electrode structure of exiting surface one side), electrophoresis particle moves to cavity bottom under the effect of electric field, form and hinder the restraining barrier that incidence surface light enters, now light tight hemisphere 13a is towards exiting surface, and reflective hemisphere 13b is towards incidence surface, the light reflection of incidence surface can be gone back, improve the light utilization ratio of incidence surface side backlight module, as shown in Figure 3.When needs form light transmission passage in container cavity 10, can on the first electrode structure 131 and 132, apply negative voltage, now electrophoresis particle moves to the side-walls of the first electrode structure 131 and 132 annexes, make the incident ray of incidence surface be able to by, as shown in Figure 4.
2) electrophoresis particle part is reflective, part is light tight, and the second electrode structure is single electrode, and the first electrode structure is bipolar electrode.
In Fig. 5, on the second electrode structure 133 of exiting surface one side, apply the electric signal that electric polarity is contrary with light tight hemisphere 13a.In Fig. 6, on the second electrode structure 134 of incidence surface one side, apply the electric signal that electric polarity is contrary with reflective hemisphere 13b.Half spheroid 13b of electrophoresis particle is reflective, and is electronegativity, and another half spheroid 13a is light tight, and is electropositivity, does as a wholely, and electrophoresis particle integral body is electropositivity.Now, the second electrode structure in control module 5 is stagged electrode structure, is positioned at cavity bottom or top.When needs form light restraining barrier in container cavity 10, can apply positive voltage being positioned on second electrode structure 133 at cavity top, as shown in Figure 5, or apply negative voltage being positioned on the second electrode structure 134 of cavity bottom, electrophoresis particle moves to cavity bottom under the effect of electric field, forms and hinders the restraining barrier that incidence surface light enters.When needs form light transmission passage in container cavity 10, can on the first electrode structure 131 and 132 shown in Fig. 5 and Fig. 6, apply negative voltage, same Fig. 4, now electrophoresis particle moves near the side-walls the first electrode structure 131 and 132, make the incident ray of incidence surface be able to by.
3) electrophoresis particle 13 integral body all light tight (as shown in Figure 7), the first electrode structure and the second electrode structure are bipolar electrode.
In Fig. 8, electrophoresis particle 13 integral body are all light tight, and integral body is electronegativity.Now, the first electrode structure 131,132 and the second electrode structure 133,134 in control module 5 are all bipolar electrode structures, the first electrode structure 131,132 is positioned at the sidewall of cavity, and the second electrode structure 133 is positioned at cavity top, and the second electrode structure 134 is positioned at cavity bottom.When needs form light restraining barrier in container cavity 10, can on second electrode structure 133 at cavity top, apply positive voltage, on the second electrode structure 134 of cavity bottom, apply after negative voltage, electrophoresis particle 13 moves to cavity top under the effect of electric field, forms and hinders the restraining barrier that incidence surface light enters.When needs form light transmission passage in container cavity 10, can on the first electrode structure 131 and 132 in Fig. 9, apply positive voltage, now electrophoresis particle 13 moves near the side-walls the first electrode structure 131 and 132, make the incident ray of incidence surface be able to by.
4) electrophoresis particle 13 integral body are all light tight, and the second electrode structure is single electrode, and the first electrode structure is bipolar electrode.
In Figure 10, the second electrode structure 133 is positioned at cavity top, therefore on the second electrode structure 133, applies after positive voltage, and now electrophoresis particle 13 moves to cavity top, forms and hinders the restraining barrier that incidence surface light enters.
Figure 11 and Figure 10 are similar, different, and the second electrode structure 134 is positioned at cavity bottom, therefore on the second electrode structure 134, apply after positive voltage, and now electrophoresis particle 13 moves to cavity bottom, form and hinder the restraining barrier that incidence surface light enters.
When needs form light transmission passage in container cavity 10, can on the first electrode structure 131 and 132 in Figure 10 and 11, apply positive voltage, same Fig. 9, now electrophoresis particle 13 moves near the side-walls the first electrode structure 131 and 132, make the incident ray of incidence surface be able to by.
Above Fig. 3-6 for example in, the overall electrode of electrophoresis particle is identical with reflective hemispheroidal polarity.Be appreciated that, in the embodiment of the present invention, the overall electrode of electrophoresis particle also can be identical with light tight hemispheroidal polarity, in this case, when realizing restraining barrier and wish reflective hemisphere towards incidence surface one side, the electric signal applying is with above identical for example.Difference is, because electrophoresis particle overall electrode is with above contrary for example, therefore, the region that electrophoresis particle moves to is contrary with Fig. 3, Fig. 5 and Fig. 6, and for example, in Fig. 3, electrophoresis particle moves to cavity top area, for saving length, repeats no more.
Partial electrode structure and the electric field/voltage applying mode that more than only for the present invention, can adopt for example.Under the enlightenment of above structure, those skilled in the art can understand, and can also adopt single electrode by the first electrode structure, and the second electrode structure adopts bipolar electrode, or all adopts single electrode at the first electrode structure and the second electrode structure.Further, the embodiment of the present invention can also adopt different electrode structures in different control modules, for saving length, repeats no more.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (13)
1. a display device, comprise display panel and for described display panel provides the backlight module of light source, described display panel comprises a plurality of pixel cells, each pixel cell comprises bright state and dark two kinds of duties of state, it is characterized in that, described display device also comprises:
Control panel, is arranged at the side that described backlight module emits beam, and comprises incidence surface and exiting surface;
Described control panel comprises a plurality of control modules, and described control module is corresponding one by one with the position of pixel cell, and described control module comprises printing opacity and light tight two kinds of duties;
Control module, when described pixel cell is dark state, controls corresponding control module light tight, when described pixel cell is bright state, controls corresponding control module printing opacity.
2. display device according to claim 1, it is characterized in that, described control panel comprises the first substrate of box and second substrate, described control module is formed between described first substrate and second substrate, the outside surface of described first substrate is the exiting surface of described control panel, the incidence surface that the outside surface of described second substrate is described control panel;
Described control module comprises:
One container cavity is corresponding one by one with the position of described pixel cell;
Be filled in the transparent organic solvent in described container cavity, and be suspended in described transparent organic solvent and charged electrophoresis particle, at least a portion of described electrophoresis particle is light tight;
Described control module is arranged at around the cavity of described container cavity, for controlling described electrophoresis particle in the position of described container cavity, makes described control module in printing opacity or light tight state.
3. display device according to claim 2, is characterized in that, described control module also comprises:
Transparent microcapsules, are arranged in described container cavity, and described transparent organic solvent and electrophoresis particle are filled in described transparent microcapsules.
4. display device according to claim 2, it is characterized in that, described electrophoresis particle is that integral body presents the first electric polarity or second electropolar sphere structure, comprising can not printing opacity and be first electropolar the first hemisphere, and can be reflective and be second electropolar the second hemisphere, the first electric polarity is contrary with the second electric polarity polarity.
5. display device according to claim 4, it is characterized in that, in described control module, apply the first electric signal, when controlling described electrophoresis particle and moving to the first area in described container cavity, in described container cavity, be formed with the light transmission passage from incidence surface to exiting surface;
In described control module, apply the second electric signal, when controlling described electrophoresis particle and moving to the second area in described container cavity, described electrophoresis particle forms one and stops the restraining barrier that the light from incidence surface appears from exiting surface.
6. display device according to claim 5, is characterized in that, when described electrophoresis particle forms described restraining barrier, the first hemisphere of described electrophoresis particle is towards described exiting surface, and the second hemisphere is towards described incidence surface.
7. display device according to claim 5, is characterized in that, described control module comprises:
Be positioned at least one first electrode structure of the sidewall of described container cavity;
Be positioned at the second electrode structure of top and/or the bottom of described container cavity; With
Energising control module, for applying electric signal to described the first electrode structure or the second electrode structure, produces the electric field that acts on described electrophoresis particle, controls described electrophoresis particle and moves to the region that described container cavity is corresponding.
8. display device according to claim 7, it is characterized in that, at described energising control module, to described the first electrode structure, apply described the first electric signal, when controlling described electrophoresis particle and moving to the first area in described container cavity, in described container cavity, be formed with the described light transmission passage from incidence surface to exiting surface;
At described energising control module, to described the second electrode structure, apply described the second electric signal, when controlling described electrophoresis particle and moving to the second area of described container cavity, described electrophoresis particle forms one and stops the described restraining barrier that the light from incidence surface appears from exiting surface.
9. display device according to claim 8, it is characterized in that, described the second electric signal comprises on the second electrode structure that is applied to incidence surface one side, is first electropolar electric signal, and/or is applied on the second electrode structure of exiting surface one side, is second electropolar electric signal.
10. display device according to claim 9, is characterized in that, described the second electrode structure is only positioned at top or the bottom of described container cavity, and the electric polarity of described the second electric signal is contrary with the electric polarity of described electrophoresis particle.
11. display device according to claim 9, it is characterized in that, described the second electrode structure is positioned at top and the bottom of described container cavity, and described the second electric signal comprises and passes into respectively the contrary sub-electric signal of two electric polarities that is positioned at the top of described container cavity and the second electrode structure of bottom.
12. according to the display device described in claim 2-11 any one, it is characterized in that, described control panel is arranged at a side of described display panel display frame;
Described second substrate is the color membrane substrates of display panel.
13. according to the display device described in claim 2-11 any one, it is characterized in that, described control panel is arranged between described display panel and backlight module;
Described first substrate is the array base palte of display panel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410339053.6A CN104133319B (en) | 2014-07-16 | 2014-07-16 | A kind of display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410339053.6A CN104133319B (en) | 2014-07-16 | 2014-07-16 | A kind of display device |
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| CN104133319A true CN104133319A (en) | 2014-11-05 |
| CN104133319B CN104133319B (en) | 2017-08-01 |
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| CN201410339053.6A Active CN104133319B (en) | 2014-07-16 | 2014-07-16 | A kind of display device |
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| CN105292756A (en) * | 2015-11-06 | 2016-02-03 | 上海天马微电子有限公司 | Display device and protective film thereof |
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