CN110161770A - Display panel - Google Patents
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- CN110161770A CN110161770A CN201910435964.1A CN201910435964A CN110161770A CN 110161770 A CN110161770 A CN 110161770A CN 201910435964 A CN201910435964 A CN 201910435964A CN 110161770 A CN110161770 A CN 110161770A
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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
- G02F1/15—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 an electrochromic effect
- G02F1/153—Constructional details
-
- 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
- G02F1/15—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 an electrochromic effect
- G02F1/153—Constructional details
- G02F1/155—Electrodes
-
- 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
- G02F1/15—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 an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
Abstract
The disclosure is directed to a kind of display panel, the display panel includes display element, first substrate, first electrode, electrochromic layer, second electrode and the second substrate, and the display original set includes multiple pixel units；First substrate is set to the display original set；First electrode is set to side of the first substrate far from the display element, and multiple openings are provided in the first electrode, and projection of the opening on the display element is at least partly overlapped with the pixel unit；Electrochromic layer is set to side of the first electrode far from the display original set；Second electrode is set to side of the electrochromic layer far from the first electrode；The second substrate is set to side of the second electrode far from the electrochromic layer；Wherein, the first electrode is reflecting electrode, and the second electrode is transparent electrode.
Description
Technical field
This disclosure relates to field of display technology, in particular to a kind of display panel.
Background technique
It is with the development of technology and progressive, OLED (Organic Light Emitting Diode, organic light-emitting diodes
Pipe) display device using more and more extensive.Mirror face display equipment has the function of mirror and display, the application in such as market
Man-machine interaction experience is able to ascend under scene.
Currently, mirror face display equipment is by the way that half-reflecting mirror to be pasted onto front of OLED display, to make display device
Not only can be used as display screen use, but also can as mirror come using.But half-reflecting mirror light transmittance is low, and then in display
Light-emitting component needs stronger light emission luminance, causes display device power consumption to increase, and reduce the service life of light-emitting component.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The disclosure is designed to provide a kind of display panel, and then is overcome at least to a certain extent since mirror surface is shown
Device light transmittance is low, and light-emitting component needs stronger light emission luminance, caused by display panel power consumption the problem of increasing.
According to one aspect of the disclosure, a kind of display panel is provided, the display panel includes:
Display element, the display original set include multiple pixel units；
First substrate is set to the display original set；
First electrode, the side set on the first substrate far from the display element are provided in the first electrode
Multiple openings, projection of the opening on the display element are at least partly overlapped with the pixel unit；
Electrochromic layer, the side set on the first electrode far from the display original set；
Second electrode, the side set on the electrochromic layer far from the first electrode；
The second substrate, the side set on the second electrode far from the electrochromic layer；
Wherein, the first electrode is reflecting electrode, and the second electrode is transparent electrode.
According to an embodiment of the disclosure, each pixel unit correspond in the first electrode one described in open
Mouthful, and projection and the corresponding pixel unit weight of the opening in the first electrode on the display element
It closes.
According to an embodiment of the disclosure, the electrochromic layer includes:
Electrochromic material layer, the side set on the first electrode far from the display original set；
Electrolyte layer is used for transmission band ionization set on the side of the electrochromic material layer far from the first electrode
Son；
Ion storage, the side set on the electrolyte layer far from the electrochromic material layer, for storing electrification
Ion.
According to an embodiment of the disclosure, the first electrode is cathode, the material packet of the electrochromic material layer
Include one of VI B family metal oxide or a variety of.
According to an embodiment of the disclosure, the first electrode is anode, the material packet of the electrochromic material layer
Include one of VIII family metal oxide and Pt family metal oxide or a variety of.
According to an embodiment of the disclosure, the material of the first electrode include copper, gold, platinum, aluminium, aluminium alloy, chromium,
One or more of nickel, ruthenium, silver and silver alloy.
According to an embodiment of the disclosure, the display element includes:
Substrate；
Drive circuit layer is set to the substrate, including pixel-driving circuit；
Third electrode, the side set on the drive circuit layer far from the substrate, and with the pixel-driving circuit
Connection；
Luminescent layer, set on the side of the third electrode far from the drive circuit layer；
4th electrode, one layer set on the luminescent layer far from the third electrode.
According to an embodiment of the disclosure, the luminescent layer includes:
Multiple pixel units；
Pixel defining layer, around multiple pixel units, the first electrode is in the projection of the luminescent layer and described
Pixel defining layer is overlapped.
According to an embodiment of the disclosure, the display original set further include:
Thin-film encapsulation layer, set on side of the 4th electrode far from the luminescent layer, the first substrate is located at described
Side of the thin-film encapsulation layer far from the 4th electrode.
According to an embodiment of the disclosure, the display panel further include:
Electroluminescence drive circuit is set to the drive circuit layer, shines, passed through for controlling the electrochromic layer
Hole is connected with the first electrode.
The display panel that the disclosure provides drives electrochromic layer by first electrode and second electrode, and display panel is
When mirror status, first electrode and second electrode no power, electrochromic layer is pellucidity, is reflected by first electrode incident
Light realizes mirror face function；When display panel is conventional display state, first electrode and second electrode are powered, and electrochromic layer becomes
Color, display element issued light are emitted by the opening in first electrode, realize conventional display.Pass through switching first electrode and the
The energized state of two electrodes realizes two kinds of changeable functions of mirror surface and conventional display.And it is provided with out in first electrode
Mouthful, which at least partly exposes pixel unit, it is low to solve half-reflecting mirror light transmittance, and then light-emitting component needs in display
The problem of stronger light emission luminance, the power consumption of display panel is reduced, and extends the service life of light-emitting component.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.It should be evident that the accompanying drawings in the following description is only the disclosure
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram for display panel that disclosure exemplary embodiment provides.
Fig. 2 is a kind of structural schematic diagram for electroluminescence layer that disclosure exemplary embodiment provides.
The optical path of display panel when Fig. 3 is a kind of mirror surface display for display panel that disclosure exemplary embodiment provides
Figure.
The optical path of display panel when Fig. 4 is a kind of conventional display for display panel that disclosure exemplary embodiment provides
Figure.
Fig. 5 is a kind of perspective view of first electrode for providing of disclosure exemplary embodiment on the display element.
In figure:
100, display element；110, substrate；120, drive circuit layer；121, transistor；130, third electrode；140, it shines
Layer；141, pixel unit；142, pixel defining layer；150, the 4th electrode；160, thin-film encapsulation layer；210, first substrate；220,
First electrode；221, it is open；230, electroluminescence layer；231, electroluminescent material layer；232, electrolyte layer；233, ion storage
Layer；240, second electrode；250, the second substrate.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Label indicates same or similar structure, thus the detailed description that will omit them.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures
On, or refer to that certain structure is " direct " and be arranged in other structures, or refer to that certain structure is arranged by the way that another structure is " indirect " in other knots
On structure.
Term "one", " one ", "the", " described " and "at least one" be to indicate that there are one or more elements/groups
At part/etc.；Term " comprising " and " having " is to indicate the open meaning being included and refer in addition to listing
Element/component part/also may be present except waiting other element/component part/etc.；Term " first ", " second " and " third "
It is used as to mark Deng only and use, be not the quantity limitation to its object.
A kind of mirror face display equipment provided in the related technology, including multiple pixel units are surrounded with around pixel unit
PDLC layer is provided with top electrode on the upside of PDLC layer, and downside is provided with lower electrode.When normal display, top electrode and lower electrode it
Between it is not powered, PDLC layer scattering blocks the mirror-reflection of lower electrode metal.When mirror surface is shown, add between top electrode and lower electrode
Electricity, PDLC layer are pellucidity, and extraneous light can realize mirror-reflection by the metal of lower electrode.This kind of mirror surface display dress
It sets, top electrode needs the public electrode same layer with pixel unit and insulate, and lower electrode needs and the pixel of pixel unit electricity
It pole same layer and insulate, causes mirror face display equipment preparation process complicated, and driving circuit is complicated.
A kind of display panel is provided firstly in this example embodiment, as shown in Figure 1, the display panel includes: aobvious
Show element 100, first substrate 210, first electrode 220, electrochromic layer 230, second electrode 240 and the second substrate 250；It is described
Display original set includes multiple pixel units 141；First substrate 210 is set to the display original set；First electrode 220 is set to described the
Side of one substrate 210 far from the display element 100 is provided with multiple openings 221 in the first electrode 220, described to open
Projection of the mouth 221 on the display element 100 is at least partly overlapped with the pixel unit 141；Electrochromic layer 230 is set to
The side of the first electrode 220 far from the display original set；Second electrode 240 is set to the electrochromic layer 230 far from institute
State the side of first electrode 220；The second substrate 250 is set to one of the second electrode 240 far from the electrochromic layer 230
Side；Wherein, the first electrode 220 is reflecting electrode, and the second electrode 240 is transparent electrode.
The display panel that the embodiment of the present disclosure provides drives electrochromic layer by first electrode 220 and second electrode 240
230, when display panel is mirror status, 240 no power of first electrode 220 and second electrode, electrochromic layer 230 is transparence
State reflects incident light by first electrode 220, realizes mirror face function；When display panel is conventional display state, first electrode
220 and second electrode 240 be powered, electrochromic layer 230 changes colour, and 100 issued light of display element is by first electrode 220
221 outgoing of opening, realizes conventional display.Mirror surface is realized by the energized state of switching first electrode 220 and second electrode 240
Two kinds of changeable functions are shown with conventional.And opening 221 is provided in first electrode 220, the opening 221 is at least partly sudden and violent
Reveal pixel unit 141, solve that half-reflecting mirror light transmittance is low, and then light-emitting component needs stronger light emission luminance in display
Problem, reduces the power consumption of display panel, and extends the service life of light-emitting component.
Each section of the display panel provided the embodiment of the present disclosure is described in detail below:
As shown in Figure 1, the display element 100 includes: substrate 110, drive circuit layer 120, third electrode 130, shines
The 140, the 4th electrode 150 of layer and thin-film encapsulation layer 160；Drive circuit layer 120 is set to the substrate 110, including pixel driver electricity
Road；Third electrode 130 is set to side of the drive circuit layer 120 far from the substrate 110, and electric with the pixel driver
Road connection；Luminescent layer 140 is set to side of the third electrode 130 far from the drive circuit layer 120；4th electrode 150 is set
In one layer of the luminescent layer 140 far from the third electrode 130.It is remote to be set to the 4th electrode 150 for thin-film encapsulation layer 160
Side from the luminescent layer 140, the first substrate 210 are located at the thin-film encapsulation layer 160 far from the 4th electrode 150
Side.
Drive circuit layer 120 may include TFT (Thin Film Transistor, thin film transistor (TFT)) layer, grid line layer,
Source electrode line layer etc..TFT layer includes multiple transistors 121, and multiple connections of transistor 121 form pixel circuit.It is set in grid line layer
It is equipped with a plurality of grid line, is used for transmission grid signal, such as scanning signal.It is provided with a plurality of source electrode line in source electrode line layer, is used for
Transmit source signal, such as data-signal.It can also include electroluminescence drive circuit, electroluminescent in drive circuit layer 120
Driving circuit may include power supply line and transistor etc., and power supply line is used for transmission power supply signal, can be connected by conductive via
Power supply signal and first electrode 220 and second electrode 240.
Third electrode 130 can be the anode of pixel unit 141, and the 4th electrode 150 can be the yin of pixel unit 141
Pole.Luminescent layer 140 includes multiple pixel units 141, and multiple pixel units 141 are separated by pixel defining layer 142.Multiple pixels
Unit 141 may include R sub-pixel unit 141, G sub-pixel unit 141 and B sub-pixel unit 141.Wherein, first electricity
Pole 220 is overlapped in the projection of the luminescent layer 140 and the pixel defining layer 142.
Exemplary, pixel unit 141 may include semi-transparent semi-reflecting cathode (cathode), electron transfer layer (ETI), hole
Barrier layer (HBL), organic luminous layer (EML), hole transmission layer (HTL), hole injection layer (HIL) and reflection anode
(anode) etc..
First electrode 220 is located at display element 100 and shows side, and has multiple openings 221 in first electrode 220,
Since first electrode 220 is reflecting electrode, translucency is limited, and light-emitting component issued light, shadow can be blocked under display state
Ring display effect.Multiple openings 221, and projection of the opening 221 on luminescent layer 140 are set in first electrode 220
It is at least partly overlapped with pixel unit 141, makes 141 issued light of pixel unit pass through the first electricity to expose pixel unit 141
Pole 220.
Fig. 5 is a kind of projection signal of the first electrode 220 that provides of disclosure exemplary embodiment on display element 100
Figure, as shown in figure 5, the opening 221 in the corresponding first electrode 220 of each pixel unit 141, that is to say picture
Plain unit 141 and opening 221 correspond, and the opening 221 in the first electrode 220 is on the display element 100
Projection and the corresponding pixel unit 141 be overlapped.
First electrode 220 can be connected by conductive via and the first electroluminescent power supply signal, due to entire first electricity
It is not separated, can be powered by a conductive via to first electrode 220, certainly in reality by insulating materials between pole 220
In view of the uniformity of entire electrode charge and the load capacity of conductive via in, multiple conductive vias also can be set and connect
First electrode 220 is connect to connect with the first electroluminescent power supply signal.Second electrode 240 can be electroluminescent by conductive via and second
The connection of luminous power signal can be by a conductive via to second electrode 240 since second electrode 240 is whole board structure
Power supply can also be set in view of the uniformity of entire electrode charge and the load capacity of conductive via in practical applications certainly
Multiple conductive via connection second electrodes 240 are set to connect with the second electroluminescent power supply signal.
Electrochromic layer 230 is set between first electrode 220 and second electrode 240,220 He of first electrode when mirror surface is shown
240 no power of second electrode, display original set also no power.As shown in figure 3, being located at 220 layers of first electrode far from display element 100
The electrochromic layer 230 and second electrode 240 of side are hyaline layer, and incident light is reflected by first electrode 220, realize mirror
Face function.When conventional display, first electrode 220 and second electrode 240 are powered, and electrochromic layer 230 changes colour, display element 100
Also it is powered, the electrochromic layer 230 between 220 entity area of first electrode and second electrode 240 changes colour at this time, as shown in figure 4, not
Incident light is seldom reflected in reflection, and 141 issued light of pixel unit passes through opening in first electrode 220 in display element 100
Mouth 221 is emitted, and is shown.Wherein the entity area of first electrode 220 refers to the region except the opening of first electrode 220 221, the
After one electrode 220 and second electrode 240 are powered, electric field is formed between 220 entity area of first electrode and second electrode 240, is driven
Electrochromic layer 230 changes colour.
As shown in Fig. 2, electrochromic layer 230 may include: that electrochromic material layer 231, electrolyte layer 232 and ion are deposited
Reservoir 233, electrochromic material layer 231 are set to the side of the first electrode 220 far from the display original set；Electrolyte layer
232 are set to side of the electrochromic material layer 231 far from the first electrode 220, are used for transmission charged ion；Ion is deposited
Reservoir 233 is set to side of the electrolyte layer 232 far from the electrochromic material layer 231, for storing charged ion.
Certainly in practical applications, electrochromic material layer 231, electrolyte layer 232 and ion storage 233 are in the first electricity
Sequence between pole 220 and second electrode 240 is also possible to electrochromic material layer 231 set on second electrode 240 close to display
The side of element 100, electrolyte layer 232 are set to electrochromic material layer 231 close to the side of display element 100, ion storage
Layer 233 is set to electrolyte layer 232 close to the side of display element 100, and the embodiment of the present disclosure is not specifically limited in this embodiment.
The electricity that the charged ion stored in ion storage 233 is formed after first electrode 220 and second electrode 240 are powered
In, electrolyte layer 232 is passed through, into electrochromic material layer 231, so that the color of electrochromic material layer 231 changes
Become.For example, the material of electrochromic material layer 231 is tungsten oxide (WO3), storing in ion storage 233 is lithium ion,
Lithium ion enters WO by electrolyte layer 232 under electric field action3Layer forms tungsten bronze LiWO3-x, lead to W6+It is reduced at a low price
W5+, electronics is from W6+To W5+Band-to-band transition absorb photon and cause to change colour.
In a kind of feasible embodiment that the embodiment of the present disclosure provides, the first electrode 220 is cathode, the electricity
The material that the material of mutagens color material layer 231 can be electrochromic material layer 231 described in cathode off-color material includes VI B race gold
Belong to one of oxide or a variety of.For example, tungsten oxide, molybdenum oxide and chromium oxide etc..
In the feasible embodiment of another kind that the embodiment of the present disclosure provides, the first electrode 220 is anode, described
The material of electrochromic material layer 231 includes VIII family metal oxide and one of Pt family metal oxide or hydrate or more
Kind.For example, nickel oxide, yttrium oxide, cobalt oxide, rhodium oxide, manganese oxide etc..
Certainly in practical applications, electrochromic material layer 231 is also possible to organic electrochromic film.Organic Electricity mutagens
Color film type is relatively more, can be divided into small organic molecule electrochromic material and conducting polymer electrochromic material two is big
Class.Under the action of electric field, the doping process of the doping of conducting polymer in organic electrochromic film, conducting polymer is one
A redox reversible process.Cause the transition between molecule conduction band and valence band during doping, including extremely sub- energy level,
The different energy level transitions of orphan's energy level, dipole energy level, electronics, make spectrum that different variations occur.It controls in a certain range
Voltage determines doping level, different so as to cause the absorption of visible region, shows the variation of color and brightness, occurs electroluminescent
Metachromatism.
The material of first electrode 220 may include silver, chromium, black chromium, ruthenium, stainless steel, titanium, nickel, molybdenum, nickel chromium triangle, the conjunction of chromium ferronickel
Gold, indium, palladium, osmium, cobalt, cadmium, niobium, brass, bronze, tungsten, rhenium, iridium, aluminium, aluminium alloy, scandium, yttrium, zirconium, vanadium, manganese, iron, zinc, tin, lead,
One of bismuth, antimony, rhodium, tantalum, copper, gold, platinum, platinum group metal and other reflecting materials appropriate and a variety of, preferably can for copper,
One of gold, platinum, aluminium, aluminium alloy, chromium, nickel, ruthenium, silver, silver alloy are a variety of, and the embodiment of the present disclosure is not limited thereto.The
Two electrodes 240 are transparent electrode, for example, can be ito thin film.First substrate 210 and the material of the second substrate 250 can be glass
The transparent insulation materials such as glass or organic polymer.
The material of electrolyte layer 232 may include liquid electrolyte material, gel state electrolyte material and person's solid state electrolysis
One of material is a variety of, and electrolyte layer 232 is hyaline layer, can choose clear gel state electrolyte as electrolysis
232 material of matter layer.For example, polyethylene glycol oxide, polymethyl methacrylate, polyacrylonitrile and polyvinylidene fluoride etc..Due to solidifying
Colloidal electrolyte has very high ionic conductivity, is able to ascend the switch speed that mirror surface shows He normally shows, promotes display
The response speed of panel.
The display panel that the embodiment of the present disclosure provides drives electrochromic layer by first electrode 220 and second electrode 240
230, when display panel is mirror status, 240 no power of first electrode 220 and second electrode, electrochromic layer 230 is transparence
State reflects incident light by first electrode 220, realizes mirror face function；When display panel is conventional display state, first electrode
220 and second electrode 240 be powered, electrochromic layer 230 changes colour, and 100 issued light of display element is by first electrode 220
221 outgoing of opening, realizes conventional display.Mirror surface is realized by the energized state of switching first electrode 220 and second electrode 240
Two kinds of changeable functions are shown with conventional；And opening 221 is provided in first electrode 220, the opening 221 is at least partly sudden and violent
Reveal pixel unit 141, solve that half-reflecting mirror light transmittance is low, and then light-emitting component needs stronger light emission luminance in display
Problem, reduces the power consumption of display panel, and extends the service life of light-emitting component.
The controller of display panel can respond user's operation or environmental change, output display state selection signal, institute
Stating display state selection signal includes first state selection signal and the second state selection signal.For example, display panel controller
User's mirror surface idsplay order is responded, first state selection signal is exported, the response of display panel controller is used for conventional idsplay order,
Export the second state selection signal.When receiving first state selection signal, first electrode 220 and second electrode 240 are not added
Electricity, the transparent state of electrochromic layer 230；When receiving the second state selection signal, first electrode 220 and second electrode
240 power-up, electrochromic layer 230 change colour, and pixel circuit driving pixel unit 141 shines, and shows picture.
The production method for the display panel that the embodiment of the present disclosure provides may include steps of:
First substrate 210 is formed on the display element 100, the first substrate 210 is located at the display element 100
The side of light out；
Patterned first electrode 220, institute are formed far from the side of the display element 100 in the first substrate 210
It states first electrode 220 and is equipped with multiple openings 221,221 projection on display element 100 of opening is at least partly and pixel
Unit 141 is overlapped；
Electrochromic layer 230 is formed far from the side of the first substrate 210 in the first electrode 220；
Second electrode 240 is formed far from the side of the first electrode 220 in the electrochromic layer 230；
The second substrate 250 is formed far from the side of the electrochromic layer 230 in the second electrode 240.
Wherein, patterned first electrode is formed far from the side of the display element 100 in the first substrate 210
220 may include: photoresist to be coated on first substrate 210, and pattern, and then form first electrode 220, form the first electricity
Pole 220 can pass through the techniques such as vapor deposition, printing or sputtering；Or 220 film layer of first electrode is formed on first substrate 210, so
It is defined afterwards by photoresist, 220 film layer of patterned first electrodes forms first electrode 220.
Forming electrochromic layer 230 far from the side of the first substrate 210 in the first electrode 220 includes: the
One electrode 220 forms electrochromic material layer 231 far from the side of the first substrate 210；In the electrochromic material layer
231 sides far from the first electrode 220 form electrolyte layer 232；In electrolyte layer 232 far from the electrochromic material
The side of layer 231 forms ion storage 233；Second is formed far from the side of the electrolyte layer 232 in ion storage 233
Electrode 240；The second substrate 250 is formed far from the side of the ion storage 233 in the second electrode 240.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (10)
1. a kind of display panel, which is characterized in that the display panel includes:
Display element, the display original set include multiple pixel units；
First substrate is set to the display original set；
First electrode, the side set on the first substrate far from the display element are provided in the first electrode multiple
Opening, projection of the opening on the display element are at least partly overlapped with the pixel unit；
Electrochromic layer, the side set on the first electrode far from the display original set；
Second electrode, the side set on the electrochromic layer far from the first electrode；
The second substrate, the side set on the second electrode far from the electrochromic layer；
Wherein, the first electrode is reflecting electrode, and the second electrode is transparent electrode.
2. display panel as described in claim 1, which is characterized in that each pixel unit corresponds in the first electrode
An opening, and projection and the corresponding picture of the opening in the first electrode on the display element
Plain unit is overlapped.
3. display panel as described in claim 1, which is characterized in that the electrochromic layer includes:
Electrochromic material layer, the side set on the first electrode far from the display original set；
Electrolyte layer is used for transmission charged ion set on the side of the electrochromic material layer far from the first electrode；
Ion storage, the side set on the electrolyte layer far from the electrochromic material layer, for storing charged ion.
4. display panel as claimed in claim 3, which is characterized in that the first electrode is cathode, the electrochromism material
The material of the bed of material includes one of VI B family metal oxide or a variety of.
5. display panel as described in claim 1, which is characterized in that the first electrode is anode, the electrochromism material
The material of the bed of material includes one of VIII family metal oxide and Pt family metal oxide or a variety of.
6. display panel as described in claim 1, which is characterized in that the material of the first electrode include copper, gold, platinum, aluminium,
One or more of aluminium alloy, chromium, nickel, ruthenium, silver and silver alloy.
7. display panel as described in claim 1, which is characterized in that the display element includes:
Substrate；
Drive circuit layer is set to the substrate, including pixel-driving circuit；
Third electrode, the side set on the drive circuit layer far from the substrate, and connected with the pixel-driving circuit；
Luminescent layer, set on the side of the third electrode far from the drive circuit layer；
4th electrode, one layer set on the luminescent layer far from the third electrode.
8. display panel as claimed in claim 7, which is characterized in that the luminescent layer includes:
Multiple pixel units；
Pixel defining layer, around multiple pixel units, projection and the pixel of the first electrode in the luminescent layer
Definition layer is overlapped.
9. display panel as claimed in claim 7, which is characterized in that the display original set further include:
Thin-film encapsulation layer, set on side of the 4th electrode far from the luminescent layer, the first substrate is located at the film
Side of the encapsulated layer far from the 4th electrode.
10. display panel as claimed in claim 7, which is characterized in that the display panel further include:
Electroluminescence drive circuit is set to the drive circuit layer, shines for controlling the electrochromic layer, by via hole and
The first electrode connection.
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