CN106684261B - Transparency adjusts unit and display device - Google Patents
Transparency adjusts unit and display device Download PDFInfo
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- CN106684261B CN106684261B CN201710054221.0A CN201710054221A CN106684261B CN 106684261 B CN106684261 B CN 106684261B CN 201710054221 A CN201710054221 A CN 201710054221A CN 106684261 B CN106684261 B CN 106684261B
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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
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- 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]
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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
- 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
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- 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
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of transparencies to adjust unit and display device, and it includes: reducing electrode that the transparency, which adjusts unit, and the reducing electrode includes metal；Metal ion, positioned at the side of the reducing electrode；Permselective membrane deviates from the side of the reducing electrode positioned at the metal ion；First transparency electrode deviates from the side of the reducing electrode positioned at the permselective membrane.When adding positive pressure to the reducing electrode, when the first transparency electrode adds negative pressure, the metal of the reducing electrode is oxidized to metal ion, and the metal ion enters the metal ion, since the metal thickness in the reducing electrode reduces so that light transmittance improves；When adding negative pressure to the reducing electrode, when the first transparency electrode adds positive pressure, the metal ion in the metal ion is reduced to the metal, and metal thickness of the metal deposit in the reducing electrode, the reducing electrode increases so that light transmittance improves.
Description
Technical field
The present invention relates to field of display technology, adjust unit and display device more particularly to a kind of transparency.
Background technique
Transparence display device refers to the display that can form transparence display state so that its rear scene can be seen in viewer
Part, more typically can be applied to need to be presented display picture such as show window before showing physical item is used.Transparence display is
The development trend of next-generation display technology, it is widely used, and can be used in mobile phone, notebook, display, show window etc..
But due to the penetrability of transparence display device itself, can clearly illustrate the scene after device, privacy
It is bad, it is often desired to can automatically control display device whether need it is transparent.
Summary of the invention
The present invention provides a kind of transparency adjusting unit, can present transparent, translucent and impermeable from main regulation transmitance
Bright various states, the transparency adjust unit and include:
Reducing electrode, the reducing electrode include metal；
Metal ion, positioned at the side of the reducing electrode, the metal ion includes metal ion；
Permselective membrane deviates from the side positioned at the metal ion；And
First transparency electrode deviates from the side of the reducing electrode positioned at the permselective membrane；
When adding positive pressure 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 electric to the reduction
Pole adds negative pressure, and when the first transparency electrode adds positive pressure, the metal ion in the metal ion is in the reduction electricity
The metal is reduced at pole, the metal deposit is in one side of the reducing electrode towards the metal ion.
Further, adjusted in unit in the transparency, the material of the metal ion include free metal from
Son.
Further, it is adjusted in unit in the transparency, the metal is silver.
Further, it is adjusted in unit in the transparency, the reducing electrode further includes transparency conducting layer, described transparent
Conductive layer is located at the side that the metal deviates from the metal ion.
Another side according to the present invention also provides a kind of display device, and the transparency including stacking gradually adjusts single
Member, luminescent device and second electrode, it is that transparency described in any one as above adjusts unit that the transparency, which adjusts unit,.
Further, in the display device, the transparency is adjusted in unit, and the reducing electrode is towards the hair
Optical device setting.
Further, in the display device, the second electrode is described as the cathode for driving the luminescent device
Reducing electrode is as the anode for driving the luminescent device；Or, anode of the second electrode as the driving luminescent device,
The reducing electrode is as the cathode for driving the luminescent device.
Further, in the display device, the transparency is adjusted in unit, and the first transparency electrode is towards institute
State luminescent device setting.
Further, in the display device, cathode of the first transparency electrode as the driving luminescent device,
The second electrode is as the anode for driving the luminescent device；Or, the first transparency electrode is as the driving photophore
The anode of part, the second electrode is as the cathode for driving the luminescent device.
Further, in the display device, the display device further includes third transparent electrode, and the third is transparent
Electrode is located at the transparency and adjusts between unit and luminescent device.
It provides a kind of transparency in the present invention to adjust in unit, it includes: reducing electrode that the transparency, which adjusts unit, described
Reducing electrode includes metal；Metal ion, positioned at the side of the reducing electrode, the metal ion includes the metal
Ion；Permselective membrane deviates from the side positioned at the metal ion；First transparency electrode is located at the metal
Sheath deviates from the side of the reducing electrode.When adding positive pressure 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, since the metal thickness in the reducing electrode reduces so that light transmittance improves；When adding negative pressure to the reducing electrode, institute
When stating first transparency electrode and adding positive pressure, the metal ion in the metal ion is reduced to institute at the reducing electrode
State metal, gold of the metal deposit in one side of the reducing electrode towards the metal ion, the reducing electrode
Belong to thickness to increase so that light transmittance improves.
There is provided in a kind of display device in the present invention, the display device include the transparency stacked gradually adjust it is single
Member, luminescent device and second electrode, wherein the reducing electrode or first transparency electrode can be with to drive the photophore
The cathode or anode of part.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the display device of one embodiment of the invention；
Fig. 2 is the diagrammatic cross-section of the display device of another embodiment of the present invention；
Fig. 3 is the diagrammatic cross-section of the display device of further embodiment of this invention；
Fig. 4 is the diagrammatic cross-section of the display device of yet another embodiment of the invention.
Specific embodiment
It adjusts unit to transparency of the invention below in conjunction with schematic diagram to be described in more detail, which show this
The preferred embodiment of invention, it should be appreciated that those skilled in the art can modify invention described herein, and still realize this
The advantageous effects of invention.Therefore, following description should be understood as the widely known of those skilled in the art, and not make
For limitation of the present invention.
The present invention is more specifically described by way of example referring to attached drawing in the following passage.According to following explanation, the present invention
The advantages of and feature will become apparent from.It should be noted that attached drawing is all made of very simplified form and uses non-accurate ratio,
Only for the purpose of facilitating and clarifying the purpose of the embodiments of the invention.
Core of the invention thought is, provides a kind of transparency and adjusts in unit, the transparency adjusts unit and includes:
Reducing electrode, the reducing electrode include metal；Metal ion, positioned at the side of the reducing electrode；Permselective membrane, position
Deviate from the side of the reducing electrode in the metal ion；First transparency electrode is located at the permselective membrane and deviates from institute
State the side of reducing electrode.When adding positive pressure 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, by institute
Stating the metal thickness in reducing electrode reduces so that light transmittance improves；When adding negative pressure to the reducing electrode, described first is transparent
When electrode adds positive pressure, the metal ion in the metal ion is reduced to the metal, institute at the reducing electrode
Metal thickness of the metal deposit in one side of the reducing electrode towards the metal ion, the reducing electrode is stated to increase
So that light transmittance improves.
Further, the present invention also provides a kind of display device, the display device include stack gradually it is described
Lightness adjusts unit, luminescent device and second electrode, and the transparency of unit is adjusted by adjusting the transparency, adjustable
The transparency of the display device.
Below referring to FIG. 1, illustrating one embodiment of the invention.
As shown in Figure 1, in one embodiment of this invention, the transparency adjust 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 stack gradually.
Wherein, the reducing electrode 110 includes metal, and the metal is opaque state in solid-state, the metal
The metal of electrochemical redox can occur for silver, copper etc. for material, and oxidation can occur under the electric field and make for the metal
With formation metal ion.It for example, in one embodiment, the material of the metal is silver, and silver-colored conducts electricity very well, and is low work content
Metal, in addition, the metals such as aluminium, tin also may be used.Thickness of the metal in the reducing electrode 110 can be subtracted by oxidation
It is thin.
It include metal ion in the metal ion 120, 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 includes selected from alkali gold
Belong at least one of ion, alkaline-earth metal ions and rare earth ion metal ion, as long as the metal ion is in electric field
Under the action 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 restore 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 prevents between the metal ion 120 and the first transparency electrode 140
The metal ion passes through the permselective membrane 130 and is precipitated at the first transparency electrode 140, prevents the metal in institute
The deposition of first transparency electrode 140 is stated, so that the first transparency electrode 140 is constantly in pellucidity.The permselective membrane
130 can be amberplex etc..
When adding positive pressure, the first transparency electrode 140 plus negative pressure to the reducing electrode 110, the reducing electrode 110
Metal (Ag) be oxidized at the metal ion 120 (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 thinned, 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 2 microns or less),
Metal in the reducing electrode 110 is essentially transparence, and it is transparence that the transparency, which adjusts unit 100,；
When adding negative pressure, the first transparency electrode 140 plus positive pressure to the reducing electrode 110, the metal ion
Metal ion (the Ag in 120+) at the reducing electrode 110 it is reduced (Ag+Obtain electronics) it is the metal (Ag),
The metal deposit is in one side of the reducing electrode 110 towards the metal ion 120, the gold of the reducing electrode 110
Belong to thickness progressive additive, the transparency of the reducing electrode 110 gradually decreases, when the metal thickness of the reducing electrode 110 increases
For thickness to another certain thickness (such as when being thinned to 10 microns or more), the metal in the reducing electrode 110 is opaque shape, described
It is opaque shape that transparency, which adjusts unit 100,.
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 in one that the luminescent device 220 deviates from the second electrode 210 by modes such as vapor depositions
Side, the second electrode 210 can be transparent electrode.
In other embodiments, the reducing electrode 110 can also include layer of transparent conductive layer (not shown), institute
It states transparency conducting layer and is located at the side that the metal deviates from the metal ion, the metal is towards the metal ion
120 settings.When the transparency described in initial preparation adjusts unit 100, the metal can be prepared directly in the transparency tune
It saves in unit 100, then 110 original state of reducing electrode 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
It adjusts in unit 100, then 110 original state of reducing electrode is that transparent state can pass through institute when adjusting transparency
The metal ion stated in metal ion 120 is precipitated 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 adjusts unit 100 and is displayed in device, to adjust the transparency of the display device, institute
Stating display device can be electro-luminescence display device, in the examples below, by taking the display device is OLED device as an example
It is illustrated.
As shown in Figure 1, the display device 1 includes that the transparency stacked gradually adjusts unit 100, luminescent device
220 and second electrode 210, in one embodiment, the transparency is adjusted in unit 100, and the reducing electrode 110 is towards institute
State the setting of luminescent device 220.Preferably, the reducing electrode 110 can be multiplexed with the electrode of the driving 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, the second electrode 210 is as the cathode for driving the luminescent device 220, the reducing electrode 110 is as drive
Move the anode of the luminescent device 220；Or, the second electrode 210 is as the anode for driving the luminescent device 220, it is described
Reducing electrode 110 is as the cathode for driving the luminescent device 220.The luminescent device 220 can be OLED luminescent device etc.
Deng.
In addition, 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, this will not be repeated here.
In one embodiment, by adjusting the thickness of the metal in the reducing electrode 110, the adjustable display
The transparency or transmitance of device 1.
As shown in Fig. 2, in another embodiment, the transparency of the display device 2 is adjusted in unit 100, described
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 photophore
The electrode of part 220 reduces cost to simplify structure.For example, the second electrode 210 is as the driving luminescent device 220
Cathode, the first transparency electrode 140 is as the anode for driving the luminescent device 220；Or, 210 conduct of second electrode
The anode of the luminescent device 220 is driven, the first transparency electrode 140 is as the cathode for driving the luminescent device 220.?
In another embodiment, by adjusting the thickness of the metal in the reducing electrode 110, the adjustable display device 2
Transparency or transmitance.
As shown in figure 3, in another embodiment, the transparency of the display device 3 is adjusted in unit 100, described
Reducing electrode 110 is arranged towards the luminescent device 220.The reducing electrode 110 and the electrode for driving the luminescent device 220
It is not multiplexed, the display device 3 further includes third transparent electrode 230, and the third transparent electrode 230 is located at the transparency tune
It saves between unit 100 and luminescent device 220, the third transparent electrode 230 can be used as the yin for driving the luminescent device 220
Pole, the second electrode 210 is as the anode for driving the luminescent device 220；It can be with the third transparent electrode 230
As the anode for driving the luminescent device 220, the second electrode 210 is as the cathode for driving the luminescent device 220.This
Insulating layer 240 can also be set to the transparent electricity of the third between the outer third transparent 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
State the thickness of metal, the transparency or transmitance of the adjustable display device 3.
As shown in figure 4, the transparency of the display device 4 is adjusted in unit 100, described in another embodiment
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 further includes third transparent electrode 230, and the third transparent electrode 230 is located at institute
It states transparency to adjust between unit 100 and luminescent device 220, it is described luminous that the third transparent electrode 230 can be used as driving
The cathode of device 220, the second electrode 210 is as the anode for driving the luminescent device 220；It can be transparent with the third
Electrode 230 can be used as the anode for driving the luminescent device 220, and the second electrode 210 is as the driving luminescent device
220 cathode.Furthermore insulating layer 240 can also be set between the third transparent electrode 230 and the first transparency electrode 140
The third transparent electrode 230 and the first transparency electrode 140 are electrically isolated.In another embodiment, pass through tune
Save the thickness of the metal in the reducing electrode 110, the transparency or transmitance of the adjustable display device 3.
It not merely can be used for showing it will be understood by those skilled in the art that the transparency adjusts unit 100
To show in device, the transparency adjusts unit 100 and can be also used in other structures, such as can be used on the glass of show window,
To change the transparency of glass, foregoing description through the invention, the those of ordinary skill in this field that bases on practicality can be with
Understand and predictable, this will not be repeated here.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of display device, which is characterized in that the transparency including stacking gradually adjusts unit, luminescent device and the second electricity
Pole, the transparency adjust unit and include:
Reducing electrode, the reducing electrode include metal；
Metal ion, positioned at the side of the reducing electrode, the metal ion includes metal ion, the metal ion
The material of layer is conducting resinl；
Permselective membrane deviates from the side of the reducing electrode positioned at the metal ion；And
First transparency electrode deviates from the side of the reducing electrode positioned at the permselective membrane；
When adding positive pressure 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；Add when to the reducing electrode
Negative pressure, when the first transparency electrode adds positive pressure, the metal ion in the metal ion is at the reducing electrode
It is reduced to the metal, the metal deposit is in one side of the reducing electrode towards the metal ion；The selection is saturating
Film is crossed to be precipitated at the first transparency electrode to prevent the metal ion from passing through the permselective membrane.
2. display device as described in claim 1, which is characterized in that the material of the metal ion includes free metal
Ion.
3. display device as described in claim 1, which is characterized in that the metal is silver.
4. the display device as described in any one of claim 1-3, which is characterized in that the reducing electrode further includes transparent
Conductive layer, the transparency conducting layer are located at the side that the metal deviates from the metal ion.
5. display device as described in claim 1, which is characterized in that the transparency is adjusted in unit, the reducing electrode
It is arranged towards the luminescent device.
6. display device as claimed in claim 5, which is characterized in that the second electrode is as the driving luminescent device
Cathode, the reducing electrode is as the anode for driving the luminescent device；Or, the second electrode is as the driving photophore
The anode of part, the reducing electrode is as the cathode for driving the luminescent device.
7. display device as described in claim 1, which is characterized in that the transparency is adjusted in unit, and described first is transparent
Electrode is arranged towards the luminescent device.
8. display device as claimed in claim 7, which is characterized in that the first transparency electrode is as the driving photophore
The cathode of part, the second electrode is as the anode for driving the luminescent device；Or, the first transparency electrode is as driving institute
The anode of luminescent device is stated, the second electrode is as the cathode for driving the luminescent device.
9. the display device as described in claim 1 or 5 or 7, which is characterized in that the display device further includes the transparent electricity of third
Pole, the third transparent electrode are located at the transparency and adjust between unit and luminescent device.
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| CN201710054221.0A CN106684261B (en) | 2017-01-22 | 2017-01-22 | Transparency adjusts unit and display device |
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| CN201710054221.0A CN106684261B (en) | 2017-01-22 | 2017-01-22 | Transparency adjusts unit and display device |
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| CN106684261B true CN106684261B (en) | 2019-01-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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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| CN1466704A (en) * | 2001-07-26 | 2004-01-07 | ������������ʽ���� | Antiglare anticlouding device and antomotive outer mirror |
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| CN102646696A (en) * | 2012-01-16 | 2012-08-22 | 京东方科技集团股份有限公司 | Organic light-emitting diode display device, manufacturing method thereof and display system |
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| CN106684261A (en) | 2017-05-17 |
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