CN106684261A - Transparency adjustment unit and display device - Google Patents
Transparency adjustment unit and display device Download PDFInfo
- Publication number
- CN106684261A CN106684261A CN201710054221.0A CN201710054221A CN106684261A CN 106684261 A CN106684261 A CN 106684261A CN 201710054221 A CN201710054221 A CN 201710054221A CN 106684261 A CN106684261 A CN 106684261A
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- electrode
- transparency
- metal
- metal ion
- adjustment unit
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/81—Anodes
- H10K50/818—Reflective anodes, e.g. ITO combined with thick metallic layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/828—Transparent cathodes, e.g. comprising thin metal layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
Abstract
The invention discloses a transparency adjustment unit and a display device. The transparency adjustment unit comprises a reduction electrode, a metal ion layer, a selective permeable membrane and a first transparent electrode, wherein the reduction electrode comprises a metal; the metal ion layer is located at one side of the reduction electrode; the selective permeable membrane is located at one side, departing from the reduction electrode, of the metal ion layer; the first transparent electrode is located at one side, departing from the reduction electrode, of the selective permeable membrane; when positive voltage is applied to the reduction electrode and negative voltage is added to the first transparent electrode, the metal of the reduction electrode is oxidized into metal ions, the metal ions enter the metal ion layer and the light transmittance is improved due to reduction of the thickness of the metal in the reduction electrode; and when the negative voltage is added to the reduction electrode and the positive voltage is applied to the first transparent electrode, the metal ions in the metal ion layer are reduced into the metal, the metal is deposited on the reduction electrode and the light transmittance is improved due to increase of the thickness of the metal in the reduction electrode.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of transparency adjustment unit and display device.
Background technology
Transparence Display device, referring to can form Transparence Display state so that beholder is it can be seen that the display of its rear scene
Part, more typically can be applicable to such as show window etc. be used so that display picture is presented before physical item in showing.Transparence Display is
The development trend of Display Technique of future generation, it is widely used, and can be used in mobile phone, notebook, display, show window etc..
But, due to the Transparence Display device penetrance of itself, the scene after device can be clearly illustrated, privacy
It is bad, it is often desired to can independently control display device whether need it is transparent.
The content of the invention
The present invention provides a kind of transparency adjustment unit, can present transparent, translucent and impermeable from main regulation transmitance
Bright various states, the transparency adjustment unit includes：
Reducing electrode, the reducing electrode includes metal；
Metal ion, positioned at the side of the reducing electrode, the metal ion includes metal ion；
Permselective membrane, positioned at the metal ion described side is deviated from；And
First transparency electrode, positioned at the permselective membrane away from the side of the reducing electrode；
When malleation is added to the reducing electrode, when the first transparency electrode adds negative pressure, the metal of the reducing electrode exists
Metal ion is oxidized at the metal ion, the metal ion enters the metal ion；When to the reduction electricity
Pole adds negative pressure, and when the first transparency electrode adds malleation, the metal ion in the metal ion is in the reduction electricity
Be reduced to the metal at pole, the metal deposit the reducing electrode towards the metal ion one side.
Further, in the transparency adjustment unit, the material of the metal ion include free metal from
Son.
Further, in the transparency adjustment unit, the metal is silver.
Further, in the transparency adjustment unit, the reducing electrode also includes transparency conducting layer, described transparent
Conductive layer is located at the metal away from the side of the metal ion.
Another side of the invention, also provides a kind of display device, adjusts single including the transparency for stacking gradually
Unit, luminescent device and second electrode, the transparency adjustment unit is transparency adjustment unit as above described in any one.
Further, in the display device, in the transparency adjustment unit, the reducing electrode is towards described
Optical device is arranged.
Further, in the display device, the second electrode is described as the negative electrode for driving the luminescent device
Reducing electrode is used as the anode for driving the luminescent device；Or, the second electrode is used as the anode for driving the luminescent device,
The reducing electrode is used as the negative electrode for driving the luminescent device.
Further, in the display device, in the transparency adjustment unit, the first transparency electrode is towards institute
State luminescent device setting.
Further, in the display device, the first transparency electrode as the negative electrode for driving the luminescent device,
The second electrode is used as the anode for driving the luminescent device；Or, the first transparency electrode is used as the driving luminous organ
The anode of part, the second electrode is used as the negative electrode for driving the luminescent device.
Further, in the display device, the display device also includes the 3rd transparency electrode, and the described 3rd is transparent
Electrode is located between the transparency adjustment unit and luminescent device.
There is provided in a kind of transparency adjustment unit in the present invention, the transparency adjustment unit includes：Reducing electrode, it is described
Reducing electrode includes metal；Metal ion, positioned at the side of the reducing electrode, the metal ion includes the metal
Ion；Permselective membrane, positioned at the metal ion described side is deviated from；First transparency electrode, positioned at the metal
Sheath is away from the side of the reducing electrode.When adding malleation to the reducing electrode, when the first transparency electrode adds negative pressure,
The metal of the reducing electrode is oxidized to metal ion at the metal ion, the metal ion enter the metal from
Sublayer, because the metal thickness in the reducing electrode reduces light transmittance is improved；When adding negative pressure to the reducing electrode, institute
When stating first transparency electrode plus malleation, the metal ion in the metal ion is reduced to institute at the reducing electrode
State metal, the metal deposit the reducing electrode towards the metal ion one side, the gold in the reducing electrode
Category thickness increases so that light transmittance is improved.
There is provided in a kind of display device in the present invention, the display device includes that the transparency for stacking gradually adjusts single
Unit, luminescent device and second electrode, wherein, the reducing electrode or first transparency electrode can be with to drive the luminous organ
The negative electrode or anode of part.
Description of the drawings
Fig. 1 is the generalized section of the display device of one embodiment of the invention；
Fig. 2 is the generalized section of the display device of another embodiment of the present invention；
Fig. 3 is the generalized section of the display device of further embodiment of this invention；
Fig. 4 is the generalized section of the display device of yet another embodiment of the invention.
Specific embodiment
The transparency adjustment unit of the present invention is described in more detail below in conjunction with schematic diagram, which show this
The preferred embodiment of invention, it should be appreciated that those skilled in the art can change invention described herein, and still realize this
The advantageous effects of invention.Therefore, description below is appreciated that widely known for those skilled in the art, and does not make
For limitation of the present invention.
Referring to the drawings the present invention more particularly described below by way of example in the following passage.According to following explanation, the present invention
Advantages and features will become apparent from.It should be noted that, accompanying drawing using very simplify in the form of and use non-accurately ratio,
Only to purpose that is convenient, lucidly aiding in illustrating the embodiment of the present invention.
The present invention core concept be, there is provided in a kind of transparency adjustment unit, the transparency adjustment unit includes：
Reducing electrode, the reducing electrode includes metal；Metal ion, positioned at the side of the reducing electrode；Permselective membrane, position
In the metal ion away from the side of the reducing electrode；First transparency electrode, positioned at the permselective membrane institute is deviated from
State the side of reducing electrode.When adding malleation to the reducing electrode, when the first transparency electrode adds negative pressure, the reducing electrode
Metal be oxidized to metal ion at the metal ion, the metal ion enters the metal ion, due to institute
Stating the metal thickness in reducing electrode reduces that light transmittance is improved；When negative pressure is added to the reducing electrode, described first is transparent
When electrode adds malleation, the metal ion in the metal ion is reduced to the metal, institute at the reducing electrode
State metal deposit the reducing electrode towards the metal ion one side, metal thickness in the reducing electrode increases
So that light transmittance is improved.
Further, a kind of display device is also provided in the present invention, the display device is described including what is stacked gradually
Lightness adjustment unit, luminescent device and second electrode, by the transparency for adjusting the transparency adjustment unit, can be adjusted
The transparency of the display device.
Fig. 1 is below refer to, one embodiment of the invention is illustrated.
As shown in figure 1, in one embodiment of this invention, the transparency adjustment unit 100 include reducing electrode 110,
Metal ion 120, permselective membrane 130 and first transparency electrode 140, the reducing electrode 110, metal ion 120,
Permselective membrane 130 and first transparency electrode 140 are stacked gradually.
Wherein, the reducing electrode 110 includes metal, and the metal is opaque state in solid-state, the metal
Material can be the metal that silver, copper etc. can occur electrochemical redox, and the metal can under the electric field occur oxidation and make
With formation metal ion.For example, in one embodiment, the material of the metal is silver, and silver conducts electricity very well, and for low work content
Metal, additionally, the metal such as aluminum, stannum also may be used.Thickness of the metal in the reducing electrode 110 can be subtracted by Oxidation
It is thin.
The metal ion 120 includes metal ion, and the metal ion in the metal ion 120 is in electric field
Reduction reaction can occur under effect and generate metal solid.Preferably, the material of the metal ion 120 is included selected from alkali gold
At least one metal ion in category ion, alkaline-earth metal ions and rare earth ion, as long as the metal ion is in electric field
In the presence of can occur reduction reaction generate metal solid.Preferably, the material of the metal ion 120 includes trip
From metal ion, in the metal ion 120, metal exists with the state of metal ion, in the extraneous electric field that applies
In the case of, metal ion can be reduced and precipitating metal.In one embodiment, the material of the metal ion 120 is conduction
Glue, such as conductive silver glue, silver therein is with silver ion (Ag+) state exist.The metal is in the reducing electrode 110
Thickness can be thickened by reduction.
The permselective membrane 130 is located between the metal ion 120 and the first transparency electrode 140, is prevented
The metal ion is separated out through the permselective membrane 130 at the first transparency electrode 140, prevents the metal in institute
State first transparency electrode 140 to deposit so that the first transparency electrode 140 is constantly in pellucidity.The permselective membrane
130 can be ion exchange membrane etc..
When to the reducing electrode 110 plus malleation, when the first transparency electrode 140 plus negative pressure, the reducing electrode 110
Metal (Ag) at the metal ion 120 be oxidized (Ag loses electronics) be metal ion (Ag+), the metal ion
Into the metal ion 120, the metal thickness of the reducing electrode 110 is gradually thinning, the reducing electrode 110 it is transparent
Degree gradually increases, when the metal thickness of the reducing electrode 110 is thinned to certain thickness (such as when being thinned to below 2 microns),
Metal in the reducing electrode 110 is essentially transparence, and the transparency adjustment unit 100 is transparence；
When to the reducing electrode 110 plus negative pressure, when the first transparency electrode 140 plus malleation, the metal ion
Metal ion (the Ag in 120+) it is reduced (Ag at the reducing electrode 110+Obtain electronics) it is the metal (Ag),
The metal deposit the reducing electrode 110 towards the metal ion 120 one side, the gold of the reducing electrode 110
Category thickness progressive additive, the transparency of the reducing electrode 110 is gradually lowered, when the metal thickness of the reducing electrode 110 increases
Thickness is to another certain thickness (such as when being thinned to more than 10 microns), and the metal in the reducing electrode 110 is opaque shape, described
Transparency adjustment unit 100 is opaque shape.
In one embodiment, the reducing electrode 110 only includes one layer of metal, and one layer of metal is directly as electricity
Pole uses, and the metal can be formed at the luminescent device 220 away from the one of the second electrode 210 by modes such as evaporations
Side, the second electrode 210 can be transparency electrode.
In other embodiments, the reducing electrode 110 can also include layer of transparent conductive layer (not shown), institute
Transparency conducting layer is stated positioned at the metal away from the side of the metal ion, the metal is towards the metal ion
120 are arranged.In transparency adjustment unit 100 described in initial preparation, the metal can be prepared directly to be adjusted in the transparency
In section unit 100, then the original state of the reducing electrode 110 is translucent or opaque state；In an other embodiment,
In the preparation, 110 preparation layer of transparent conductive layers of the reducing electrode, the metal can not also be prepared in the transparency
In adjustment unit 100, then the original state of the reducing electrode 110 is transparent state, when transparency is adjusted, can pass through institute
The metal ion stated in metal ion 120 is separated out in the transparency conducting layer towards the side of the metal ion 120, from
And the metal is deposited between the transparency conducting layer and the metal ion 120, the reducing electrode 110 becomes impermeable
It is bright.
The transparency adjustment unit 100 is displayed in device, to adjust the transparency of the display device, institute
It can be electro-luminescence display device to state display device, in the examples below, so that the display device is as OLED as an example
Illustrate.
As shown in figure 1, the display device 1 includes the transparency adjustment unit 100, luminescent device for stacking gradually
220 and second electrode 210, in one embodiment, in the transparency adjustment unit 100, the reducing electrode 110 is towards institute
State luminescent device 220 to arrange.Preferably, the reducing electrode 110 can be multiplexed with the electrode for driving the luminescent device 220,
The multiplexing is that the reducing electrode 110 is also used as driving the electrode of the luminescent device 220, to simplify structure, is reduced
Cost.For example, used as the negative electrode for driving the luminescent device 220, the reducing electrode 110 is used as drive for the second electrode 210
The anode of the dynamic luminescent device 220；Or, the second electrode 210 is used as the anode for driving the luminescent device 220, it is described
Reducing electrode 110 is used as the negative electrode for driving the luminescent device 220.The luminescent device 220 can be OLED luminescent devices etc.
Deng.
Additionally, can also be formed with metal-doped layer between the reducing electrode 110 and the luminescent device 220, this is
It will be understood by those skilled in the art that, will not be described here.
In one embodiment, by the thickness of the metal in the regulation reducing electrode 110, the display can be adjusted
The transparency or transmitance of device 1.
As shown in Fig. 2 in another embodiment, it is described in the transparency adjustment unit 100 of the display device 2
First transparency electrode 140 is arranged towards the luminescent device 220.Preferably, the first transparency electrode 140 can be with driving institute
The electrode multiplexing of luminescent device 220 is stated, the multiplexing is that the first transparency electrode 140 is also used as driving the luminous organ
The electrode of part 220, to simplify structure, reduces cost.For example, the second electrode 210 is used as the driving luminescent device 220
Negative electrode, the first transparency electrode 140 is used as the anode for driving the luminescent device 220；Or, the conduct of the second electrode 210
The anode of the luminescent device 220 is driven, the first transparency electrode 140 is used as the negative electrode for driving the luminescent device 220.
In another embodiment, by the thickness for adjusting the metal in the reducing electrode 110, the display device 2 can be adjusted
Transparency or transmitance.
As shown in figure 3, in another embodiment, it is described in the transparency adjustment unit 100 of the display device 3
Reducing electrode 110 is arranged towards the luminescent device 220.The electrode of the reducing electrode 110 and the driving luminescent device 220
It is not multiplexed, the display device 3 also includes the 3rd transparency electrode 230, the 3rd transparency electrode 230 is adjusted positioned at the transparency
Between section unit 100 and luminescent device 220, the 3rd transparency electrode 230 can be used as the moon for driving the luminescent device 220
Pole, the second electrode 210 is used as the anode for driving the luminescent device 220；Can be with the 3rd transparency electrode 230
Used as the anode for driving the luminescent device 220, the second electrode 210 is used as the negative electrode for driving the luminescent device 220.This
Outward the 3rd transparent electricity of insulating barrier 240 pairs can also be set between the 3rd transparency electrode 230 and the reducing electrode 110
Pole 230 and the reducing electrode 110 are electrically isolated.In another embodiment, by adjusting institute in the reducing electrode 110
The thickness of metal is stated, the transparency or transmitance of the display device 3 can be adjusted.
As shown in figure 4, in another embodiment, it is described in the transparency adjustment unit 100 of the display device 4
First transparency electrode 140 is arranged towards the luminescent device 220.The first transparency electrode 140 and the driving luminescent device
220 electrode is not multiplexed, and the display device 4 also includes the 3rd transparency electrode 230, and the 3rd transparency electrode 230 is located at institute
State between transparency adjustment unit 100 and luminescent device 220, the 3rd transparency electrode 230 can be described luminous as driving
The negative electrode of device 220, the second electrode 210 is used as the anode for driving the luminescent device 220；Can be transparent with the described 3rd
Electrode 230 can be used as the anode for driving the luminescent device 220, and the second electrode 210 is used as the driving luminescent device
220 negative electrode.In addition insulating barrier 240 can also be set between the 3rd transparency electrode 230 and the first transparency electrode 140
3rd transparency electrode 230 and the first transparency electrode 140 are electrically isolated.In another embodiment, by adjusting
The thickness of the metal in the reducing electrode 110 is saved, the transparency or transmitance of the display device 3 can be adjusted.
It will be understood by those skilled in the art that the transparency adjustment unit 100 not merely can be used for showing
In showing device, the transparency adjustment unit 100 can be also used in other structures, for example, can be used on the glass of show window,
So as to change the transparency of glass, by the foregoing description of the present invention, the those of ordinary skill in this field that bases on practicality can be with
Understand and predictable, will not be described here.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of transparency adjustment unit, it is characterised in that include：
Reducing electrode, the reducing electrode includes metal；
Metal ion, positioned at the side of the reducing electrode, the metal ion includes metal ion；
Permselective membrane, positioned at the metal ion away from the side of the reducing electrode；And
First transparency electrode, positioned at the permselective membrane away from the side of the reducing electrode；
When malleation is added to the reducing electrode, when the first transparency electrode adds negative pressure, the metal of the reducing electrode is described
Metal ion is oxidized at metal ion, the metal ion enters the metal ion；When adding to the reducing electrode
Negative pressure, when the first transparency electrode adds malleation, the metal ion in the metal ion is at the reducing electrode
Be reduced to the metal, the metal deposit the reducing electrode towards the metal ion one side.
2. transparency adjustment unit as claimed in claim 1, it is characterised in that the material of the metal ion includes free
Metal ion.
3. transparency adjustment unit as claimed in claim 1, it is characterised in that the metal is silver.
4. the transparency adjustment unit as described in any one in claim 1-3, it is characterised in that the reducing electrode is also wrapped
Transparency conducting layer is included, the transparency conducting layer is located at the metal away from the side of the metal ion.
5. a kind of display device, it is characterised in that including the transparency adjustment unit, luminescent device for stacking gradually and
Two electrodes, the transparency adjustment unit is the transparency adjustment unit as described in any one in claim 1-4.
6. display device as claimed in claim 5, it is characterised in that in the transparency adjustment unit, the reducing electrode
Arrange towards the luminescent device.
7. display device as claimed in claim 6, it is characterised in that the second electrode is used as driving the luminescent device
Negative electrode, the reducing electrode is used as the anode for driving the luminescent device；Or, the second electrode is used as the driving luminous organ
The anode of part, the reducing electrode is used as the negative electrode for driving the luminescent device.
8. display device as claimed in claim 5, it is characterised in that in the transparency adjustment unit, described first is transparent
Electrode is arranged towards the luminescent device.
9. display device as claimed in claim 6, it is characterised in that the first transparency electrode is used as driving the luminous organ
The negative electrode of part, the second electrode is used as the anode for driving the luminescent device；Or, the first transparency electrode is used as driving institute
The anode of luminescent device is stated, the second electrode is used as the negative electrode for driving the luminescent device.
10. the display device as described in claim 5 or 6 or 8, it is characterised in that the display device also includes that the 3rd is transparent
Electrode, the 3rd transparency electrode is located between the transparency adjustment unit and luminescent device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054221.0A CN106684261B (en) | 2017-01-22 | 2017-01-22 | Transparency adjusts unit and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054221.0A CN106684261B (en) | 2017-01-22 | 2017-01-22 | Transparency adjusts unit and display device |
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| Publication Number | Publication Date |
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| CN106684261A true CN106684261A (en) | 2017-05-17 |
| CN106684261B CN106684261B (en) | 2019-01-18 |
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ID=58859813
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710054221.0A Active CN106684261B (en) | 2017-01-22 | 2017-01-22 | Transparency adjusts unit and display device |
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| CN109560106A (en) * | 2017-09-26 | 2019-04-02 | 上海和辉光电有限公司 | A kind of transparence display device and its transmitance adjusting method |
| CN112596293A (en) * | 2020-12-18 | 2021-04-02 | 天津宝兴威科技股份有限公司 | Transparent liquid crystal display and method for improving transmittance of transparent display |
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| Publication number | Publication date |
|---|---|
| CN106684261B (en) | 2019-01-18 |
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Effective date of registration: 20201210 Address after: No.146 Tianying Road, high tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu CHENXIAN photoelectric Co.,Ltd. Address before: No. 215300, Kunshan, Jiangsu Province Patentee before: Kunshan New Flat Panel Display Technology Center Co.,Ltd. Patentee before: KunShan Go-Visionox Opto-Electronics Co.,Ltd. |