CN106940499A - Display panel and its control method, display device - Google Patents
Display panel and its control method, display device Download PDFInfo
- Publication number
- CN106940499A CN106940499A CN201710325654.5A CN201710325654A CN106940499A CN 106940499 A CN106940499 A CN 106940499A CN 201710325654 A CN201710325654 A CN 201710325654A CN 106940499 A CN106940499 A CN 106940499A
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- electrode
- display panel
- substrate
- silver ion
- colloidal electrolyte
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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
- G02F1/1343—Electrodes
- G02F1/13439—Electrodes characterised by their electrical, optical, physical properties; materials therefor; method of making
-
- 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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
The invention discloses a kind of display panel and its control method, display device, the display base plate includes：First substrate, second substrate and the colloidal electrolyte with silver ion, wherein, first substrate includes：Ducting layer and grating layer, grating layer include：Transmission region and alternatively non-transparent region, grating layer are provided with first electrode towards the side of second substrate and in alternatively non-transparent region, and first electrode is contacted with the colloidal electrolyte with silver ion, and second substrate includes：Second electrode, second electrode is contacted with the colloidal electrolyte with silver ion.The display panel that the present invention is provided can be switched between on state of and dark-state.In addition, being formed at the thickness of the Ag films of second electrode surface by control, the display of the different GTGs of display panel can be achieved.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of display panel and its control method, display device.
Background technology
Fig. 1 is the structural representation of the existing display panel for possessing waveguide optical grating, as shown in figure 1, the display panel bag
Include：Waveguide optical grating, two layers of coordination electrode 3 and liquid crystal layer 4, wherein waveguide optical grating include：Ducting layer 1 and grating layer 2, ducting layer 1
For realizing fiber waveguide, the light with specific wavelength that grating layer 4 is used in controlling the light being coupled out from ducting layer 1 is with spy
Determine direction injection；Coordination electrode 3 and liquid crystal layer 4 constitute " the control light valve door " for controlling display panel that on state of or dark-state is presented,
Liquid crystal layer is contacted with grating layer.
With continued reference to shown in Fig. 1, when no applied voltage in two coordination electrodes 3, the refractive index and grating layer of liquid crystal layer 4
2 refractive index has maximum difference, and the effect of grating layer 2 is most obvious, the efficiency highest that light is exported from waveguide optical grating, display
On state of is presented in panel.Schematic diagram when on state of is presented for the existing display panel for possessing waveguide optical grating in Fig. 2, by being controlled to two
Electrode 3 applies voltage to control the liquid crystal molecule in liquid crystal layer 4 to deflect to horizontality, to change the refractive index of liquid crystal layer 4, this
When liquid crystal layer 4 refractive index it is equal with the refractive index of grating layer 2 when, the effect of grating layer 2 is capped, without light from Waveguide
Exported in grid, dark-state is presented in display panel.
However, finding in actual applications, deflect to horizontality in control liquid crystal molecule to realize display device in dark
During state, because grating layer is out-of-flatness structure, it is horizontal that the liquid crystal molecule near grating layer can not go to presentation completely partially
State, then can cause the problem of dark-state light leak occurs in correspondence position.Further, since waveguide optical grating is Nano grade, such as height 100-
The size of space (Pitch) is 100nm~300nm or so between 1000nm, grating, if doing light valve with liquid crystal, it is necessary on grating
Coated with orientation layers, because grating is Nano grade, may be oriented layer and fill up, not reach grating control light effect, in order to ensure
The light-out effect of grating, waveguide optical grating side not coated with orientation layer material only applies individual layer oriented layer in upper substrate, it is demonstrated experimentally that
Individual layer oriented layer can not allow nematic liquid crystal normal orientation, the problem of also resulting in display panel dark-state light leak.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art, it is proposed that a kind of display panel and its
Control method, display device.
To achieve the above object, the invention provides a kind of display panel, including the first substrate being oppositely arranged and second
Substrate, is filled with the colloidal electrolyte with silver ion between the first substrate and the second substrate；
The first substrate includes：Ducting layer and positioned at the ducting layer towards the second substrate side grating layer,
The grating layer includes：Transmission region and alternatively non-transparent region, the grating layer is towards the side of the second substrate and positioned at institute
State and first electrode is provided with alternatively non-transparent region, the first electrode is contacted with the colloidal electrolyte with silver ion；
The second substrate includes：Second electrode, the second electrode connects with the colloidal electrolyte with silver ion
Touch.
Alternatively, the second electrode is provided with microparticle structure towards the side of the first substrate.
Alternatively, the granularity of the microparticle structure includes：50nm~200nm.
Alternatively, the microparticle structure is uniformly distributed on the surface of the second electrode.
Alternatively, the material of the second electrode is transparent conductive material；The material of the microparticle structure is led to be transparent
Electric material.
Alternatively, the second electrode is the plate electrode that flood is laid.
Alternatively, the colloidal electrolyte with silver ion includes：Silver nitrate and polyvinyl butyral polymer.
To achieve the above object, present invention also offers a kind of display device, including：Display panel, the display panel
Using above-mentioned display panel.
To achieve the above object, present invention also offers a kind of control method of display panel, the display panel is used
Above-mentioned display panel, the control method includes：
To the first electrode input negative voltage, to the second electrode input positivity voltage, the positivity voltage with
There is the silver ion in the first preset pressure, the colloidal electrolyte with silver ion to obtain electronics between the negative voltage
Silver atoms are converted to, and are attached to the surface of the second electrode, it is described to form Ag films on the surface of the second electrode
Dark-state is presented in display panel.
Alternatively, also include：
To the first electrode input positivity voltage, to the second electrode input negative voltage, the negative voltage with
There is the second preset pressure, the silver atoms in the Ag films on the surface of the second electrode lose between the positivity voltage
Electronics is converted to silver ion, and is dissolved in colloidal electrolyte, and on state of is presented in the display panel.
The invention has the advantages that：
The invention provides a kind of display panel and its control method, display device, the display panel includes：First base
Plate, second substrate and the colloidal electrolyte with silver ion, wherein, first substrate includes：Ducting layer and grating layer, grating layer bag
Include：Transmission region and alternatively non-transparent region, grating layer towards the side of second substrate and are provided with first in alternatively non-transparent region
Electrode, first electrode is contacted with the colloidal electrolyte with silver ion, and second substrate includes：Second electrode, second electrode and band
The colloidal electrolyte for having silver ion is contacted.The display panel that the present invention is provided can be switched between on state of and dark-state.In addition,
The thickness of the Ag films of second electrode surface is formed at by control, the display of the different GTGs of display panel can be achieved, improves dark
State light leakage phenomena.
Brief description of the drawings
Fig. 1 is the structural representation of the existing display panel for possessing waveguide optical grating；
Schematic diagram when on state of is presented for the existing display panel for possessing waveguide optical grating in Fig. 2；
Fig. 3 is a kind of structural representation for display panel that the embodiment of the present invention one is provided；
Fig. 4 is adjusted to schematic diagram during dark-state for display panel in the present invention by state of；
Fig. 5 is adjusted to schematic diagram during on state of for display panel in the present invention by dark-state；
Fig. 6 is a kind of flow chart of the control method for display panel that the embodiment of the present invention two is provided.
Embodiment
To make those skilled in the art more fully understand technical scheme, the present invention is carried below in conjunction with the accompanying drawings
A kind of display panel and its control method, display device supplied is described in detail.
Embodiment one
Fig. 3 is a kind of structural representation for display panel that the embodiment of the present invention one is provided, as shown in figure 3, the display surface
Plate includes：Including the first substrate 14 and second substrate 15 being oppositely arranged, it is filled between first substrate 14 and second substrate 15
Colloidal electrolyte 7 with silver ion；First substrate 14 includes：Ducting layer 1 and positioned at ducting layer 1 towards the side of second substrate 15
Grating layer 2, grating layer 2 includes：Transmission region and alternatively non-transparent region, grating layer 2 is towards the side of second substrate 15 and is located at
First electrode 5 is provided with alternatively non-transparent region, first electrode 5 is contacted with the colloidal electrolyte 7 with silver ion；Second substrate 15
Including：Second electrode 6, second electrode 6 is contacted with the colloidal electrolyte 7 with silver ion.
It should be noted that in actual fabrication process, first electrode 5 can be formed on the first underlay substrate 10, waveguide
Layer 1 and grating layer 2 can be formed on the second underlay substrate 11, and by the way that two underlay substrates are carried out to box, (periphery sets fluid sealant
8) colloidal electrolyte 7 with silver ion, and between two underlay substrates is filled, you can obtain the display panel shown in Fig. 3.Can
Selection of land, the colloidal electrolyte 7 with silver ion includes：Colloidal electrolyte 7 with silver ion includes：Silver nitrate and polyvinyl alcohol
Butyral (Polyvinyl Butyral, abbreviation PVB) polymer.Certainly this is not limited by the present invention, specifically can be according to need
Adjust accordingly.
In the present invention, first electrode 5, second electrode 6 and the colloidal electrolyte 7 with silver ion are constituted for controlling to show
Show that " the control light valve door " of on state of or dark-state is presented in panel, the display panel provided in the present invention is realized below in conjunction with accompanying drawing
The principle of on state of and dark-state is described in detail.
It is shown in Figure 3, when in original state, voltage is applied with first electrode 5 and second electrode 6, is located at
In the light coupled into waveguide layer 1 that the collimated light source 9 of the side of ducting layer 1 is sent, and by grating layer 2 by the light from printing opacity
Region is exported.Now, the light projected from the transmission region of grating layer 2 passes through the He of colloidal electrolyte 7 with silver ion
Second electrode 6, is projected from the surface of display panel, and on state of is presented in display panel.
It should be noted that collimated light source 9 in the present invention can by the color of red, green, blue three semiconductor laser chip
It is made, also can be by light emitting diode (Light Emitting Diode, abbreviation LED) chip of the color of red, green, blue three by accurate
Directly, it is made, can also be made up of White-light LED chip after collimating, expanding after expanding, or by the cold-cathode fluorescence lamp of strip
Pipe (Cold Cathode Fluorescent Lamp, abbreviation CCFL) plus some light collimating structures be made, the present invention to this not
It is construed as limiting.
Fig. 4 is adjusted to schematic diagram during dark-state for display panel in the present invention by state of, as shown in figure 4, in the present invention,
Negative voltage is inputted to first electrode 5 by voltage output unit (not shown), positivity voltage, positivity are inputted to second electrode 6
There is the first preset pressure (for example ,+3V) between voltage and negative voltage, the silver in the colloidal electrolyte 7 with silver ion from
Son obtains electronics and is converted to silver atoms, and is attached to the surface of second electrode 6, to form Ag films on the surface of second electrode 6
13.After the certain time (for example, 20s) that is powered, being formed at the Ag films 13 on the surface of second electrode 6 has certain thickness, and energy
Stop light transmission completely.Now, the light projected from the transmission region of grating layer 2 can not pass through second electrode 6, display panel
Dark-state is presented.
Compared with prior art, the display panel that the present invention is provided can be prevented effectively from the problem of light leak occur in dark-state.
In the present embodiment, it is preferable that second electrode 6 is provided with microparticle structure 12 towards the side of first substrate 14,
During silver atoms are attached to the surface of second electrode 6, the microparticle structure 12 is as " galactic nucleus " so that silver atoms are attached to it
Surface, is conducive to the formation of Ag films 13.Alternatively, the granularity of microparticle structure 12 includes：50nm~200nm.
It should be noted that in the present invention to microparticle structure 12 be spheroid, cube or irregular body, the present invention
The concrete shape of microparticle structure 12 is not construed as limiting.
Further, second electrode 6 is the electric electrode of tabular that flood is laid, table of the microparticle structure 12 in second electrode 6
Face is uniformly distributed, and advantageously forms one layer of complete, uniform Ag films 13.
It should be noted that the second electrode 6 and microparticle structure 12 in the present embodiment are transparent conductive material composition,
Alternatively, the material of second electrode 6 and microparticle structure 12 is tin indium oxide (Formula I TO), SnO2:F etc..In the present embodiment
First electrode 5 both can be that transparent conductive material (for example, ITO) can also be nontransparent conductive material (metallic conduction material
Material), no longer illustrate one by one herein.
Fig. 5 is adjusted to schematic diagram during on state of for display panel in the present invention by dark-state, as shown in figure 5, in the present invention,
By voltage output unit to first electrode 5 input positivity voltage, to second electrode 6 input negative voltage, negative voltage with just
Property voltage between have the second preset pressure (for example, -3V), the silver atoms in the Ag films 13 on the surface of second electrode 6
Lose electronics and be converted to silver ion, and be dissolved in colloidal electrolyte 7, be powered after certain time (for example, 20s), positioned at the
The Ag films 13 on the surface of two electrodes 6 are dissolved completely in colloidal electrolyte 7.Now, projected from the transmission region of grating layer 2
Light may pass through second electrode 6, and on state of is presented in display panel.
After the Ag films 13 on the surface of second electrode 6 are dissolved completely in colloidal electrolyte 7, first electrode 5 can be removed
With the voltage in second electrode 6, display panel is in the original state (maintenance on state of) shown in Fig. 1.
It should be noted that display panel is being adjusted to dark-state by state of or is adjusting display panel on state of by dark-state
When, by controlling size and the conduction time of the first preset pressure and the second preset pressure, to be pointed to the table of second electrode 6
The thickness of the Ag films 13 in face is controlled accordingly, so as to be controlled to the light transmission capacity through second electrode 6, and then right
The brightness of display panel is controlled, and realizes that different GTGs are shown.
The embodiment of the present invention one provides a kind of display panel, including：First substrate, second substrate and with silver ion
Colloidal electrolyte, wherein, first substrate includes：Ducting layer and grating layer, grating layer include：Transmission region and alternatively non-transparent region,
Grating layer is provided with first electrode towards the side of second substrate and in alternatively non-transparent region, and first electrode is with carrying silver ion
Colloidal electrolyte contact, second substrate includes：Second electrode, second electrode is contacted with the colloidal electrolyte with silver ion.
The display panel that the present invention is provided can be switched between on state of and dark-state.In addition, being formed at second electrode table by control
The thickness of the Ag films in face, can be achieved the display of the different GTGs of display panel.
Embodiment two
Fig. 6 is a kind of flow chart of the control method for display panel that the embodiment of the present invention two is provided, as shown in fig. 6, should
Display panel uses the display panel that above-described embodiment one is provided, and the control method of the display panel includes：
Step S1, to first electrode negative voltage is inputted, positivity voltage, positivity voltage and negativity electricity are inputted to second electrode
There is the silver ion in the first preset pressure, the colloidal electrolyte with silver ion to obtain electronics between pressure and be converted to silver atoms,
And the surface of second electrode is attached to, to form Ag films on the surface of second electrode, dark-state is presented in display panel.
By above-mentioned steps S1, adjustable display panel is converted to dark-state by state of.
Alternatively, the control method of the display panel also includes：
Step S2, to first electrode positivity voltage is inputted, negative voltage, negative voltage and positivity electricity are inputted to second electrode
Between pressure have the second preset pressure, the silver atoms in the Ag films on the surface of second electrode lose electronics be converted to silver from
Son, and be dissolved in colloidal electrolyte, on state of is presented in display panel.
By above-mentioned steps S2, adjustable display panel is converted on state of by dark-state.
For above-mentioned steps S1 and step S2 specific descriptions, reference can be made to corresponding contents in previous embodiment one, herein not
Repeat again.
Embodiment three
The embodiment of the present invention three provides a kind of display device, including：Display panel, display panel uses above-described embodiment
Display panel in one, particular content can be found in corresponding contents in previous embodiment one, and here is omitted.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of display panel, including the first substrate and second substrate being oppositely arranged, it is characterised in that the first substrate and
The colloidal electrolyte with silver ion is filled between the second substrate；
The first substrate includes：Ducting layer and positioned at the ducting layer towards the second substrate side grating layer, it is described
Grating layer includes：Transmission region and alternatively non-transparent region, the grating layer is towards the side of the second substrate and positioned at described non-
First electrode is provided with transmission region, the first electrode is contacted with the colloidal electrolyte with silver ion；
The second substrate includes：Second electrode, the second electrode is contacted with the colloidal electrolyte with silver ion.
2. display panel according to claim 1, it is characterised in that the second electrode towards the first substrate one
Side is provided with microparticle structure.
3. display panel according to claim 2, it is characterised in that the granularity of the microparticle structure includes：50nm~
200nm。
4. display panel according to claim 2, it is characterised in that table of the microparticle structure in the second electrode
Face is uniformly distributed.
5. display panel according to claim 2, it is characterised in that the material of the second electrode is electrically conducting transparent material
Material；The material of the microparticle structure is transparent conductive material.
6. display panel according to claim 1, it is characterised in that the second electrode is the tabular electricity that flood is laid
Pole.
7. according to any described display panel in claim 1-6, it is characterised in that the colloid electrolysis with silver ion
Matter includes：Silver nitrate and polyvinyl butyral polymer.
8. a kind of display device, it is characterised in that including：Display panel as described in any in above-mentioned claim 1-7.
9. a kind of control method of display panel, it is characterised in that the display panel uses any in the claims 1-7
Described display panel, the control method includes：
To the first electrode input negative voltage, to the second electrode input positivity voltage, the positivity voltage with it is described
There is the silver ion in the first preset pressure, the colloidal electrolyte with silver ion to obtain electronics conversion between negative voltage
For silver atoms, and the surface of the second electrode is attached to, to form Ag films, the display on the surface of the second electrode
Dark-state is presented in panel.
10. the control method of display panel according to claim 9, it is characterised in that also include：
To the first electrode input positivity voltage, to the second electrode input negative voltage, the negative voltage with it is described
There is the second preset pressure, the silver atoms in the Ag films on the surface of the second electrode lose electronics between positivity voltage
Silver ion is converted to, and is dissolved in colloidal electrolyte, on state of is presented in the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325654.5A CN106940499A (en) | 2017-05-10 | 2017-05-10 | Display panel and its control method, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325654.5A CN106940499A (en) | 2017-05-10 | 2017-05-10 | Display panel and its control method, display device |
Publications (1)
| Publication Number | Publication Date |
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| CN106940499A true CN106940499A (en) | 2017-07-11 |
Family
ID=59464178
Family Applications (1)
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| CN201710325654.5A Pending CN106940499A (en) | 2017-05-10 | 2017-05-10 | Display panel and its control method, display device |
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Cited By (3)
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| CN108333831A (en) * | 2018-02-28 | 2018-07-27 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN109254468A (en) * | 2018-11-09 | 2019-01-22 | 广东彩乐智能包装科技有限公司 | Have both electrochromism and the flexible device of electroluminescent function and preparation method thereof |
| CN111338146A (en) * | 2020-04-09 | 2020-06-26 | Tcl华星光电技术有限公司 | Backboard, dimming method thereof and display device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333831A (en) * | 2018-02-28 | 2018-07-27 | 京东方科技集团股份有限公司 | Display panel and display device |
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| CN109254468A (en) * | 2018-11-09 | 2019-01-22 | 广东彩乐智能包装科技有限公司 | Have both electrochromism and the flexible device of electroluminescent function and preparation method thereof |
| CN111338146A (en) * | 2020-04-09 | 2020-06-26 | Tcl华星光电技术有限公司 | Backboard, dimming method thereof and display device |
| CN111338146B (en) * | 2020-04-09 | 2021-04-02 | Tcl华星光电技术有限公司 | Backboard, dimming method thereof and display device |
| WO2021203525A1 (en) * | 2020-04-09 | 2021-10-14 | Tcl华星光电技术有限公司 | Back plate and dimming method therefor, and display device |
| US11940706B2 (en) | 2020-04-09 | 2024-03-26 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backplane, dimming method thereof, and display device having same |
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