CN109994535A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
- Publication number
- CN109994535A CN109994535A CN201910334968.0A CN201910334968A CN109994535A CN 109994535 A CN109994535 A CN 109994535A CN 201910334968 A CN201910334968 A CN 201910334968A CN 109994535 A CN109994535 A CN 109994535A
- Authority
- CN
- China
- Prior art keywords
- layer
- electro
- display panel
- light
- optical material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H10K59/50—OLEDs integrated with light modulating elements, e.g. with electrochromic elements, photochromic elements or liquid crystal elements
Abstract
The embodiment of the present invention provides a kind of display panel and display device, is related to field of display technology, can reduce the reflection of first electrode pair external environmental light in display panel.Display panel includes viewing area, and the viewing area is divided into multiple luminous zones and non-light-emitting area；The display panel includes: substrate for display, and the substrate for display includes: and to set gradually first electrode, light emitting functional layer and second electrode on substrate positioned at each luminous zone；The light that the light emitting functional layer issues is emitted from the second electrode；Side of the second electrode far from the substrate is set, and the electro-optical material layer that at least one layer for being located at the luminous zone is transparent；The transparent driving electrodes of every layer of electro-optical material layer two sides are set；Wherein, it changes under the action of the electric field that the refractive index of every layer of electro-optical material layer can be generated in the driving electrodes for being located at the electro-optical material layer two sides.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and display devices.
Background technique
Self-emission display apparatus, such as OLED (Organic Light Emitting Diode, two pole of organic electroluminescent
Pipe) display device due to self-luminous, fast response time, brightness height, full view, can the series of advantages such as Flexible Displays, because
And become the display device of current great competitiveness and development prospect.
Self-emission display apparatus includes anode, light emitting functional layer and the cathode set gradually on substrate.In luminous function
Ergosphere issue light from cathode outgoing in the case where, anode can reflect light emitting functional layer sending light.
However, viewer watch self-emission display apparatus show picture when, since anode can also reflect external environment
Light, the external environmental light of reflection, which enters human eye, will cause people's dizziness, can not see what display device was shown clearly so as to cause viewer
Picture.
Summary of the invention
The embodiment of the present invention provides a kind of display panel and display device, can reduce first electrode pair in display panel
The reflection of external environmental light.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
On the one hand, a kind of display panel, including viewing area are provided, the viewing area is divided into multiple luminous zones and non-luminescent
Area；The display panel includes: substrate for display, and the substrate for display includes: and successively to set positioned at each luminous zone
Set first electrode, light emitting functional layer and second electrode on substrate；The light that the light emitting functional layer issues is from described second
Electrode outgoing；Side of the second electrode far from the substrate is set, and at least one layer for being located at the luminous zone is transparent
Electro-optical material layer；The transparent driving electrodes of every layer of electro-optical material layer two sides are set；Wherein, every layer of electric light material
Become under the action of the electric field that the refractive index of the bed of material can be generated in the driving electrodes for being located at the electro-optical material layer two sides
Change.
In some embodiments, the display panel includes two layers of electro-optical material layer being stacked；Described in two layers
One driving electrodes is set between electro-optical material layer.
In some embodiments, the material of the electro-optical material layer includes liquid crystal or perovskite.
In some embodiments, the perovskite includes BaTiO3、SrTiO3、KTaO3Or KNbO3One of or it is a variety of.
In some embodiments, the display panel further include: one of the second electrode far from the substrate is set
Side, and it is located at the extinction pattern of the non-light-emitting area, the extinction pattern is for absorbing light.
In some embodiments, the display panel includes: the pixel defining layer positioned at the non-light-emitting area, the pixel
Defining layer includes multiple open areas, and an open area limits the luminous zone；The light emitting functional layer position
In in the open area；The material of the pixel defining layer is light absorbent.
In some embodiments, the display panel further include: for encapsulating the encapsulated layer of the substrate for display；It is described
Side of the encapsulated layer far from the second electrode is arranged in electro-optical material layer.
In some embodiments, the display panel further include: for encapsulating the encapsulated layer of the substrate for display；It is described
The encapsulated layer is arranged in close to the side of the second electrode in electro-optical material layer.
In some embodiments, the second electrode is multiplexed with the driving electrodes.
On the other hand, a kind of display device is provided, including above-mentioned display panel.
It includes substrate for display that the embodiment of the present invention, which provides a kind of display panel and display device, display panel, and display is used
Substrate includes being located at each luminous zone, and set gradually first electrode, light emitting functional layer and second electrode on substrate, is sent out
The light that light functional layer issues is emitted from second electrode.Display panel further includes second electrode the is arranged in side far from substrate, and
Positioned at luminous zone the transparent electro-optical material layer of at least one layer and the transparent driving of every layer of electro-optical material layer two sides is set
Electrode；The work for the electric field that the refractive index of every layer of electro-optical material layer can be generated in the driving electrodes for being located at the electro-optical material layer two sides
It changes under.Display panel is in display, by adjusting the electric field for being located at the driving electrodes of electro-optical material layer two sides and generating,
Reduce the refractive index of electro-optical material layer.After environment light is incident on electro-optical material layer, the path of light can change, due to electricity
The refractive index of optical material layer reduces, thus the refraction angle for being incident on electro-optical material layer increases, so, part external environmental light
Can transverse shifting, non-light-emitting area is conducted to, so that the external environmental light that is irradiated in first electrode is reduced, and then can be with
Reduce the external environmental light of first electrode reflection.Further, since the electric light material in the display panel provided in the embodiment of the present invention
The bed of material and driving electrodes positioned at electro-optical material layer two sides are all transparent, thus relative to polaroid in the related technology,
Electro-optical material layer and driving electrodes positioned at electro-optical material layer two sides are less to the absorption of light, thus the present invention will not reduce it is aobvious
Show that panel issues the brightness of light.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly or in the related technology, below will be to embodiment or phase
Attached drawing needed in technical description is closed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention；
Fig. 2 is a kind of region division schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram one of display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram two of display panel provided in an embodiment of the present invention；
Fig. 5 is a kind of structural schematic diagram three of display panel provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram four of display panel provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram for display device that the relevant technologies provide；
Fig. 8 is a kind of structural schematic diagram five of display panel provided in an embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram six of display panel provided in an embodiment of the present invention；
Figure 10 a is a kind of structural schematic diagram seven of display panel provided in an embodiment of the present invention；
Figure 10 b is a kind of structural schematic diagram eight of display panel provided in an embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram nine of display panel provided in an embodiment of the present invention.
Appended drawing reference:
1- frame；2- cover-plate glass；3- display panel；4- circuit board；5- polaroid；The viewing area 31-；The peripheral region 32-；
The luminous zone 33-；The non-light-emitting area 34-；35- encapsulated layer；36- substrate for display；360- substrate；361- first electrode；362- shines
Functional layer；363- second electrode；364- pixel defining layer；365- drives transistor；366- flatness layer；367- insulating layer；37- drives
Moving electrode；38- electro-optical material layer；380- electrooptical material sublayer；39- extinction pattern.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of display device, as shown in Figure 1, the primary structure of display device includes frame 1, lid
Glass sheet 2, display panel (panel) 3, circuit board 4 and other accessories etc..
Wherein, the longitudinal section of frame 1 is U-shaped, and display panel 3, circuit board 4 and other accessories are set in frame 1, electricity
Road plate 4 is set to the lower section of display panel 3, and cover-plate glass 2 is located at side of the display panel 3 far from circuit board 4.
The embodiment of the present invention provides a kind of display panel, applied in above-mentioned display device, as shown in Fig. 2, display surface
Plate 3 is divided into viewing area 31 and peripheral region 32.Attached drawing 2 is illustrated so that peripheral region 32 surrounds viewing area 31 as an example.Viewing area 31
Including multiple luminous zones 33 and non-light-emitting area 34.Multiple luminous zones 33 are spaced apart by non-light-emitting area 34.Peripheral region 32 is used to be routed,
In addition it is also possible to which gate driving circuit is set to peripheral region 32.
Display panel 3 provided in an embodiment of the present invention is light-emitting display panel, as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6,
Display panel 3 includes: substrate for display 36 and the encapsulated layer 35 for encapsulating substrate for display 36.
Herein, encapsulated layer 35 can be packaging film, or package substrate.
Wherein, as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, substrate for display 36 include: positioned at each luminous zone 33, and according to
The secondary first electrode 361 being arranged on substrate 360, light emitting functional layer 362 and second electrode 363, light emitting functional layer 362 issue
Light from second electrode 363 be emitted.
Since the light that light emitting functional layer 362 issues is emitted from second electrode 363, second electrode 363 is transparent or half
Transparent, for first electrode 361 in opaque, first electrode 361 can reflect the light of the sending of light emitting functional layer 362.For the second electricity
The material of pole 363 is without restriction, such as can be IZO (Indium Zinc Oxide, indium zinc oxide), ITO (Indium
Tin Oxide, tin indium oxide) etc..The material of first electrode 361 for example can be Ag (silver) or Ti (titanium)/Al (aluminium)/Ti lamination
Material etc..
In some embodiments, first electrode 361 is anode, and second electrode 363 is cathode.In further embodiments,
First electrode 361 is cathode, and second electrode 363 is anode.
In some embodiments, light emitting functional layer 362 includes luminescent layer.In further embodiments, light emitting functional layer 362
It further include electron transfer layer (election transporting layer, abbreviation ETL), electron injection in addition to including luminescent layer
Layer (election injection layer, abbreviation EIL), hole transmission layer (hole transporting layer, abbreviation
HTL one or more layers) and in hole injection layer (hole injection layer, abbreviation HIL).
In addition, the luminescent layer in light emitting functional layer 362 can be organic luminous layer, in the case, display panel 3 is to have
Organic electro luminescent diode display panel；Luminescent layer in light emitting functional layer 362 can also be quantum dot light emitting layer, in this situation
Under, display panel 3 be quanta point electroluminescent diode display panel (Quantum Dot Light Emitting Diodes,
Abbreviation QLED), display device is quanta point electroluminescent diode display.
On this basis, light emitting functional layer 362 can emit white light, in the case, positioned at shining for different luminous zones 33
Functional layer 362 can connect together.In the case where light emitting functional layer 362 emits white light, display panel 3 further includes colorized optical filtering
Piece, colored filter include red photoresist unit, red photoresist unit and blue light resistance unit.Red photoresist unit, red
Photoresist unit and blue light resistance unit are located at luminous zone 33.It is exemplary, it is in the horizontal direction, red photoresist unit, green
Coloured light hinders unit and blue light resistance unit periodic arrangement；Along the vertical direction, red photoresist unit, green photoresist unit, blue
Photoresist unit periodic arrangement.Light emitting functional layer 362 can also send out primaries, such as glow, green light or blue light.Example
, in the horizontal direction, light emitting functional layer 362, the light emitting functional layer of green light 362, the light emitting functional layer of blue light-emitting to glow
362 periodic arrangements；Along the vertical direction, the light emitting functional layer 362 that glows, the light emitting functional layer of green light 362, blue light-emitting
362 periodic arrangement of light emitting functional layer.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, substrate for display 36 further includes the pixel defining layer positioned at non-light-emitting area 34
(Pixel Definition Layer, abbreviation PDL) 364, pixel defining layer 364 include multiple open areas, an open region
Domain limits a luminous zone 33；Light emitting functional layer 362 is located in open area.
Optionally, as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, substrate for display 36 further include be arranged in it is more on substrate 360
A driving circuit, a driving circuit is corresponding with a luminous zone 33, and each driving circuit is used to drive corresponding shine
Light emitting functional layer 362 in area 33 shines.Each driving circuit includes multiple transistors, each transistor include source electrode, drain electrode,
Active layer, grid and gate insulation layer.361 electricity of drain electrode and first electrode of driving transistor 365 in the multiple transistor
Connection.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, substrate for display 36 further includes setting in driving transistor 365 and first
Flatness layer 366 between electrode 361.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, display panel 3 further include: be arranged in second electrode 363 far from substrate 360
Side, and be located at the transparent electro-optical material layer 38 of at least one layer of luminous zone, 38 two sides of every layer of electro-optical material layer be set
Transparent driving electrodes 37；Wherein, the refractive index of every layer of electro-optical material layer 38 can be located at 38 two sides of electro-optical material layer
It changes under the action of the electric field that driving electrodes 37 generate.
It should be noted that the refractive index of electro-optical material layer 38 can be in the driving electricity for being located at 38 two sides of electro-optical material layer
It changes under the action of the electric field that pole 37 generates, can be the electricity of 37 output of driving electrodes positioned at 38 two sides of electro-optical material layer
Increase, the refractive index of electro-optical material layer 38 increases, that is, the refractive index of electro-optical material layer 38 be located at 38 liang of the electro-optical material layer
The electric field that the driving electrodes 37 of side generate is positively correlated.It is also possible to generate positioned at the driving electrodes 37 of 38 two sides of electro-optical material layer
Electric field increase, the refractive index of electro-optical material layer 38 reduces, that is, the refractive index of electro-optical material layer 38 be located at the electro-optical material layer
The electric field that the driving electrodes 37 of 38 two sides generate is negatively correlated.The refractive index of electro-optical material layer 38 be located at the electro-optical material layer 38
The electric field that the driving electrodes 37 of two sides generate is positively correlated or negatively correlated, specifically related with the material of electro-optical material layer 38.
It is to be understood that when the driving electrodes 37 for being located at 38 two sides of electro-optical material layer generate electric field, electro-optical material layer 38
Refractive index changes and (increases or reduces relative to initial refractive rate), positioned at 38 two sides of electro-optical material layer driving electrodes 37 not
Generate electric field, i.e., when the generation electric field of driving electrodes 37 positioned at 38 two sides of electro-optical material layer is 0, the refractive index of electro-optical material layer 38
Restore initial refractive rate.
Display panel 3 provided in an embodiment of the present invention described further below can reduce the external world of the reflection of first electrode 361
The principle of environment light.
With reference to Fig. 3 and Fig. 4, when the dotted arrow in Fig. 3 and Fig. 4 indicates not set electro-optical material layer 38 in display panel 3,
External environmental light is incident in display panel 3, propagation path of the light in display panel 3.As seen from Figure 3, extraneous ring
Border light can be irradiated in first electrode 361, be reflected by first electrode 361.
Display panel 3 in the embodiment of the present invention includes electro-optical material layer 38, and display panel 3 is not changing in display
The refractive index of electro-optical material layer 38, alternatively, by adjusting the electric field for being located at the driving electrodes 37 of 38 two sides of electro-optical material layer and generating,
In the case where the refractive index for increasing electro-optical material layer 38, after environment light is incident on electro-optical material layer 38, the path of light changes
Become, since the refractive index of electro-optical material layer 38 is larger, thus the refraction angle for being incident on electro-optical material layer 38 is smaller, so,
Part external environmental light can be conducted to luminous zone 33 (as shown in the opticpath a in Fig. 3 and Fig. 4), to be irradiated to first
On electrode 361.
Driving electrodes 37 when above-mentioned " refractive index for not changing electro-optical material layer 38 ", positioned at electro-optical material layer 38 two sides
Voltage is 0, at this point, the electric field that the driving electrodes 37 for being located at 38 two sides of electro-optical material layer generate is 0, electro-optical material layer 38 keeps former
The refractive index of beginning.
Display panel 3 in the embodiment of the present invention includes electro-optical material layer 38, and display panel 3 passes through adjusting in display
The electric field that driving electrodes 37 positioned at 38 two sides of electro-optical material layer generate, reduces the refractive index of electro-optical material layer 38.In environment light
After being incident on electro-optical material layer 38, the path of light can change, and since the refractive index of electro-optical material layer 38 reduces, thus enter
The refraction angle for being mapped to electro-optical material layer 38 increases, and so, external environmental light meeting transverse shifting is conducted to non-light-emitting area 34
(as shown in the opticpath b and opticpath c in Fig. 3 and Fig. 4), so that being irradiated to the extraneous ring in first electrode 361
Border light is reduced, and then can reduce the external environmental light of the reflection of first electrode 361.
Based on above-mentioned, viewer adjusts the electricity that the driving electrodes 37 positioned at 38 two sides of electro-optical material layer generate as needed
, to adjust the refractive index of electro-optical material layer 38.It is exemplary, electricity can be located at by adjusting when external environmental light is strong light
The electric field that the driving electrodes 37 of 38 two sides of optical material layer generate reduces the refractive index of electro-optical material layer 38.It can be in external environment
When light is dim light, the voltage for adjusting the driving electrodes 37 for being located at 38 two sides of electro-optical material layer is 0, and electro-optical material layer 38 is made to keep former
The refractive index of beginning；It is located at the electric field that the driving electrodes 37 of 38 two sides of electro-optical material layer generate alternatively, adjusting, increases electro-optical material layer
38 refractive index.
The external environmental light mentioned in the embodiment of the present invention refers to all in addition to the light that display panel 3 itself issues
Light, for example, light, the sunlight etc. that fluorescent lamp issues.
For electro-optical material layer 38 material without limiting, under the action of electric field, the refraction of electro-optical material layer 38
Subject to rate can change.In some embodiments, the material of electro-optical material layer 38 includes liquid crystal or perovskite.Art technology
Personnel are it is to be understood that the material of electro-optical material layer 38 includes but is not limited to be liquid crystal or perovskite.
In the case where the material of electro-optical material layer 38 includes liquid crystal, electro-optical material layer 38 can also include crosslinking agent, hand over
Join agent and liquid crystal mixing.The process for preparing electro-optical material layer 38 for example can be with are as follows: the crosslinking agent and liquid crystal of first spin coating mixing, then lead to
It crosses UV (Ultraviolet, ultraviolet light) curing process to solidify mixed crosslinking agent and liquid crystal, to form electro-optical material layer
38。
In addition, exemplary, perovskite includes BaTiO in the case where the material of electro-optical material layer 38 includes perovskite3
(barium titanate), SrTiO3(strontium titanates), KTaO3(potassium tantalate) or KNbO3It is one of (potassium niobate) or a variety of.
In this case, it is possible to form electro-optical material layer 38 by spin coating perovskite material.
Herein, side of the second electrode 363 far from substrate 360 is arranged in electro-optical material layer 38, can be such as Fig. 3 and Fig. 4 institute
Show, side of the encapsulated layer 35 far from second electrode 363 is arranged in electro-optical material layer 38, in the case, is located at electro-optical material layer
The driving electrodes 37 of 38 two sides also can be set in side of the encapsulated layer 35 far from second electrode 363.It is also possible to such as Fig. 5 and figure
Shown in 6, encapsulated layer 35 is arranged in close to the side of second electrode 363 in electro-optical material layer 38, in the case, is located at electrooptical material
The driving electrodes 37 of 38 two sides of layer also can be set in encapsulated layer 35 close to the side of second electrode 363.
Based on above-mentioned, envelope is arranged in electro-optical material layer 38 and driving electrodes 37 positioned at 38 two sides of electro-optical material layer
Layer 35 is filled in the case where the side of second electrode 363, can be as shown in figure 5, second electrode 363 is multiplexed with driving electrodes
37.Herein, second electrode 363 is multiplexed with driving electrodes 37, that is, refers to that second electrode 363 in addition to can be used as second electrode 363, is used
It is outer in driving light emitting functional layer 362 to shine together with first electrode 361, driving electrodes 37 are also used as, is used for and is arranged in
Electro-optical material layer 38 generates electric field far from the driving electrodes 37 of 362 side of light emitting functional layer, to change the folding of electro-optical material layer 38
Penetrate rate.It is also possible to as shown in fig. 6, second electrode 363 is not multiplexed with driving electrodes 37, i.e. electro-optical material layer 38 and light-emitting function
Driving electrodes 37 and second electrode 363 are provided between layer 362.In order to avoid driving electrodes 37 and the mutual shadow of second electrode 363
It rings, as shown in fig. 6, being provided with insulating layer 367 between driving electrodes 37 and second electrode 363.
The embodiment of the present invention when second electrode 363 is multiplexed with driving electrodes 37, not only can simplify the system of display panel 3
Make technique, the thickness of display panel 3 can also be reduced.
On this basis, in some embodiments, it is located at different luminous zones 33, and is arranged in electro-optical material layer 38 far from hair
The driving electrodes 37 of 362 side of light functional layer are mutually not connected to.Also, it is located at different luminous zones 33, and is arranged in electrooptical material
Driving electrodes 37 of the layer 38 close to 362 side of light emitting functional layer are mutually not connected to.In further embodiments, as shown in figure 4, position
In different luminous zones 33, and driving electrodes 37 of the electro-optical material layer 38 close to 362 side of light emitting functional layer are set and are mutually electrically connected
It connects；And/or be located at different luminous zones 33, and driving electrodes of the electro-optical material layer 38 far from 362 side of light emitting functional layer are set
37 are electrically connected to each other.
It is being located at different luminous zones, and the case where the driving electrodes 37 that 38 two sides of electro-optical material layer are arranged in are electrically connected
Under, it should be understood that, mutually insulated is answered in the driving 39 that 38 two sides of electro-optical material layer are arranged in.
In the case where the light that light emitting functional layer 362 issues is emitted from second electrode 363, first electrode 361 can reflect
The light that light emitting functional layer 362 issues.Since first electrode 361 is other than it can reflect the light of the sending of light emitting functional layer 362, may be used also
To reflect external environmental light, thus viewer is when watching the picture that display panel 3 is shown, the external environmental light of reflection enters people
Eye will cause viewer's dizziness, can not see the picture of the display of display panel 3 clearly so as to cause viewer.
To solve the above problems, in the related technology, as shown in fig. 7, the light-emitting surface in display panel 3 attaches polaroid
(Polarizer, abbreviation POL) 5 since part external environmental light can be absorbed in polaroid 5, thus can reduce first electrode
The reflection of 361 pairs of external environmental lights, and then reduce the external environmental light that viewer's eyes are reflected by first electrode 361.
However, polaroid 5 can also absorb the light of the sending of light emitting functional layer 362 while absorbing external environmental light, thus lead to display surface
The brightness that plate 3 issues light reduces.
And the embodiment of the present invention provides a kind of display panel, display panel 3 includes substrate for display 36, substrate for display 36
Including being located at each luminous zone 33, and first electrode 361, the light emitting functional layer 362 and second being successively set on substrate 360
Electrode 363, the light that light emitting functional layer 362 issues are emitted from second electrode 363.Display panel 3 further includes being arranged in second electrode
363 sides far from substrate 360, and be located at least one layer of transparent electro-optical material layer 38 of luminous zone and be arranged in every layer of electricity
The transparent driving electrodes 37 of 38 two sides of optical material layer；The refractive index of every layer of electro-optical material layer 38 can be located at the electrooptical material
It changes under the action of the electric field that the driving electrodes 37 of 38 two sides of layer generate.Display panel 3 is located in display by adjusting
The electric field that the driving electrodes 37 of 38 two sides of electro-optical material layer generate reduces the refractive index of electro-optical material layer 38.It is incident in environment light
To after electro-optical material layer 38, the path of light can change, and since the refractive index of electro-optical material layer 38 reduces, thus be incident on
The refraction angle of electro-optical material layer 38 increases, and so, external environmental light meeting transverse shifting in part is conducted to non-light-emitting area
34, so that the external environmental light being irradiated in first electrode 361 is reduced, and then the reflection of first electrode 361 can be reduced
External environmental light.Further, since electro-optical material layer 38 in the display panel 3 provided in the embodiment of the present invention and being located at electric light
The driving electrodes 37 of 38 two sides of material layer are all transparent, thus relative to polaroid 5 in the related technology, electro-optical material layer 38
And the absorption of 37 pairs of light of driving electrodes positioned at 38 two sides of electro-optical material layer is less, therefore the present invention will not reduce display panel
3 issue the brightness of light.
For driving electrodes 37 material without limiting, be subject to transparent and electrically conductive.It is exemplary, the material of driving electrodes 37
Material is such as can be for IZO, ITO, graphene or carbon nanotube.In the case where the material of driving electrodes 37 is IZO or ITO,
When being located at different luminous zones 33, and it is arranged in the mutually discrete situation of driving electrodes 37 of 38 side of electro-optical material layer, makes
The process of standby driving electrodes 37 for example can be to form one layer of IZO film or ito thin film first with sputtering method (sputter), it
Multiple driving electrodes 37 are formed using patterning processes afterwards.Wherein, patterning processes include coating photoresist, mask exposure, development with
And etching technics.When being located at different luminous zones 33, and the driving electrodes 37 that 38 side of electro-optical material layer is arranged in are interconnected
In the case of, the process for preparing driving electrodes 37 for example can be to form multiple driving electrodes 37 using sputtering method.In driving electrodes
In the case that 37 material is graphene or carbon nanotube, the process for preparing driving electrodes 37 for example can shift legal system to utilize
Standby driving electrodes 37.
On this basis, can be as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, display panel 3 includes one layer of electro-optical material layer
38.It can also be as shown in figure 8, display panel 3 includes two layers or two layers or more the electro-optical material layer 38 being stacked, in this situation
Under, a driving electrodes 37 are set between adjacent two layers electro-optical material layer 38.In some embodiments, as shown in figure 8, display surface
Plate 3 includes two layers of electro-optical material layer 38, and a driving electrodes 37 are arranged between two layers of electro-optical material layer 38.
In the case where display panel 3 includes two layers or two layers or more electro-optical material layer 38, each layer electro-optical material layer 38
Material can be identical, can not also be identical.Herein, the driving electrodes of every layer of 38 two sides of electro-optical material layer can be located at by adjusting
37 generation electric field, to adjust the refractive index of every layer of electro-optical material layer 38.
With reference to Fig. 8, when the dotted arrow in Fig. 8 indicates not set electro-optical material layer 38 in display panel 3, external environmental light
It is incident in display panel 3, propagation path of the light in display panel 3.As seen from Figure 3, external environmental light can irradiate
Onto first electrode 361, reflected by first electrode 361.
Opticpath a in Fig. 8 is indicated in the refractive index for not changing electro-optical material layer 38, alternatively, being located at electricity by adjusting
The electric field that the driving electrodes 37 of 38 two sides of optical material layer generate, in the case where the refractive index for increasing electro-optical material layer 38, environment light
After being incident on display panel 3, the propagation path of light.
It include two layers or two layers or more electro-optical material layer 38 in display panel 3, display panel 3 passes through adjusting in display
The electric field that driving electrodes 37 positioned at every layer of 38 two sides of electro-optical material layer generate, reduces the refractive index of every layer of electro-optical material layer 38.
After environment light is incident on electro-optical material layer 38, the path of light can change, since the refractive index of electro-optical material layer 38 drops
It is low, thus the refraction angle for being incident on electro-optical material layer 38 increases, so, external environmental light meeting transverse shifting in part is passed
It is directed at non-light-emitting area 34 (as shown in the opticpath b and opticpath c in Fig. 8), so that being irradiated in first electrode 361
External environmental light reduce, and then can reduce first electrode 361 reflection external environmental light.
On this basis, when display panel 3 is shown, in some embodiments, two layers or two layers or more electro-optical material layer
The refractive index of each layer is identical in 38.In further embodiments, in two layers or two layers or more electro-optical material layer 38 each layer refraction
Rate is not identical.
With reference to Fig. 8, in the case that display panel 3 includes two layers or two layers or more electro-optical material layer 38, due to every layer of electric light
Material layer 38 can change the path of light, thus be more advantageous to and conduct external environmental light to non-light-emitting area 34, reduce by the
The effect of one 361 pairs of electrode external world reflection of ambient light becomes apparent from.
In some embodiments, as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, electro-optical material layer 38 includes one layer of electrooptical material
Sublayer.In further embodiments, as shown in figure 9, electro-optical material layer 38 includes two layers or two layers or more electric light being stacked
Material sub-layers 380.Attached drawing 9 is illustrated so that electro-optical material layer 38 includes two layers of electrooptical material sublayer 380 being stacked as an example.
In the case where electro-optical material layer 38 includes two layers or two layers or more electrooptical material sublayer 380 being stacked, adjacent two layers electricity
The material of luminescent material sublayer 380 is not identical.
Based on above-mentioned, electro-optical material layer 38 can the light propagation path to external environmental light be adjusted, make its conduction
To non-light-emitting area 34, reflection of the first electrode 361 for being located at luminous zone 33 to external environmental light is reduced.However, it is contemplated that non-hair
Light area 34 is provided with metal wire, and metal wire is, for example, data line, grid line etc., and metal wire can also carry out anti-external environmental light
It penetrates, thus is unfavorable for reducing reflection of the display panel 3 to external environmental light.Based on this, in some embodiments, display panel 3
Further include: as as-shown-in figures 10 a and 10b, side of the second electrode 363 far from substrate 360 is set, and is located at non-light-emitting area 34
Extinction pattern 39, extinction pattern 39 is for absorbing light.
Herein, for the material of extinction pattern 39 without limiting, light can be absorbed by being subject to.It is exemplary, extinction pattern 39
Material for example can be black ink or black resin.
On this basis, side of the second electrode 363 far from substrate 360 is arranged in extinction pattern 39, can be such as Figure 10 a
With shown in Figure 10 b, side of the encapsulated layer 35 far from second electrode 363 is arranged in extinction pattern 39；It is also possible to extinction pattern 39
It is arranged between encapsulated layer 35 and second electrode 363.In view of being arranged extinction pattern 39 and electro-optical material layer 38 in encapsulated layer 35
Two sides will increase the thickness of display panel 3, thus in some embodiments of the invention, extinction pattern 39 and electro-optical material layer
38 are arranged in the same side of encapsulated layer 35, can reduce the thickness of display panel 3 in this way.
In the embodiment of the present invention, since non-light-emitting area 34 is provided with extinction pattern 39, thus electro-optical material layer 38 changes outside
The propagation path of boundary's environment light, after so that it is propagated to non-light-emitting area 34, the extinction pattern 39 that non-light-emitting area 34 is arranged in can absorb
Part external environmental light (such as light shown in the c of path in Figure 10 a and Figure 10 b), to avoid external environmental light by metal wire
Reflection.Further, since non-light-emitting area 34 is provided with extinction pattern, thus the external environmental light of directive non-light-emitting area 34 can be inhaled
It receives, further reduces by the external environmental light of metal line reflection.
It will be understood by those skilled in the art that adjusting when external environmental light is dim light and being located at 38 two sides of electro-optical material layer
The electric field that generates of driving electrodes 37, so that electro-optical material layer 38 is restored original refractive index or increase the folding of electro-optical material layer 38
Rate is penetrated, since the light that light emitting functional layer 362 issues will not adjust conduction by electro-optical material layer 38 to non-light-emitting area 34, by extinction figure
Case 39 absorbs, thus will not influence the visual angle of display panel 3.
In some embodiments, as shown in figure 11, the material of pixel defining layer 364 is light absorbent.
Exemplary, the material of pixel defining layer 364 is black resin.
The embodiment of the present invention, since the material of pixel defining layer 364 is light absorbent, thus pixel defining layer 364 can also
To absorb the external environmental light (such as light shown in the b of path in Figure 11) for being mapped to non-light-emitting area 34, to further reduce
Reflection of the metal wire to external environmental light.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of display panel, including viewing area, the viewing area is divided into multiple luminous zones and non-light-emitting area；Its feature exists
In the display panel includes:
Substrate for display, the substrate for display include: positioned at each luminous zone, and set gradually on substrate first
Electrode, light emitting functional layer and second electrode；The light that the light emitting functional layer issues is emitted from the second electrode；
Side of the second electrode far from the substrate is set, and the electric light that at least one layer for being located at the luminous zone is transparent
Material layer；
The transparent driving electrodes of every layer of electro-optical material layer two sides are set；Wherein, the folding of every layer of electro-optical material layer
It changes under the action of the electric field that the rate of penetrating can be generated in the driving electrodes for being located at the electro-optical material layer two sides.
2. display panel according to claim 1, which is characterized in that the display panel includes two layers of institute being stacked
State electro-optical material layer；One driving electrodes is set between two layers of electro-optical material layer.
3. display panel according to claim 1 or 2, which is characterized in that the material of the electro-optical material layer includes liquid crystal
Or perovskite.
4. display panel according to claim 3, which is characterized in that the perovskite includes BaTiO3、SrTiO3、KTaO3
Or KNbO3One of or it is a variety of.
5. display panel according to claim 1, which is characterized in that the display panel further include: setting is described the
Side of two electrodes far from the substrate, and it is located at the extinction pattern of the non-light-emitting area, the extinction pattern is for absorbing light.
6. display panel according to claim 1 or 5, which is characterized in that the display panel includes: positioned at the non-hair
The pixel defining layer in light area, the pixel defining layer include multiple open areas, and an open area limits an institute
State luminous zone；The light emitting functional layer is located in the open area；
The material of the pixel defining layer is light absorbent.
7. display panel according to claim 1, which is characterized in that the display panel further include: described for encapsulating
The encapsulated layer of substrate for display；
Side of the encapsulated layer far from the second electrode is arranged in the electro-optical material layer.
8. display panel according to claim 1, which is characterized in that the display panel further include: described for encapsulating
The encapsulated layer of substrate for display；
The encapsulated layer is arranged in close to the side of the second electrode in the electro-optical material layer.
9. display panel according to claim 8, which is characterized in that the second electrode is multiplexed with the driving electrodes.
10. a kind of display device, which is characterized in that including such as described in any item display panels of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334968.0A CN109994535B (en) | 2019-04-24 | 2019-04-24 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910334968.0A CN109994535B (en) | 2019-04-24 | 2019-04-24 | Display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109994535A true CN109994535A (en) | 2019-07-09 |
| CN109994535B CN109994535B (en) | 2021-01-26 |
Family
ID=67135228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910334968.0A Active CN109994535B (en) | 2019-04-24 | 2019-04-24 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994535B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021012343A1 (en) * | 2019-07-25 | 2021-01-28 | 武汉华星光电半导体显示技术有限公司 | Organic light-emitting device and organic light-emitting display apparatus |
| CN112310186A (en) * | 2020-10-30 | 2021-02-02 | 京东方科技集团股份有限公司 | Light emitting device, display panel and display apparatus |
| CN112750887A (en) * | 2020-12-31 | 2021-05-04 | 长沙惠科光电有限公司 | Display substrate, manufacturing process thereof and display device |
| CN113031337A (en) * | 2021-03-10 | 2021-06-25 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN114975538A (en) * | 2022-04-27 | 2022-08-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and display module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764145A (en) * | 2008-12-23 | 2010-06-30 | 三星移动显示器株式会社 | Organic light emitting diode display |
| US20110037683A1 (en) * | 2009-08-13 | 2011-02-17 | Samsung Mobile Display Co., Ltd. | Organic light emitting diode display |
| CN106200148A (en) * | 2014-10-21 | 2016-12-07 | 三星显示有限公司 | Display floater and the display device with this display floater |
| CN108693654A (en) * | 2017-04-05 | 2018-10-23 | 上海和辉光电有限公司 | A kind of 3 d display device and preparation method thereof |
| CN108766980A (en) * | 2018-05-28 | 2018-11-06 | 武汉华星光电半导体显示技术有限公司 | A kind of display panel and display device |
| CN109273481A (en) * | 2017-07-17 | 2019-01-25 | 上海和辉光电有限公司 | A kind of display panel and display device |
| CN109285866A (en) * | 2018-09-21 | 2019-01-29 | 上海天马微电子有限公司 | The manufacturing method and display device of display panel, display panel |
-
2019
- 2019-04-24 CN CN201910334968.0A patent/CN109994535B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764145A (en) * | 2008-12-23 | 2010-06-30 | 三星移动显示器株式会社 | Organic light emitting diode display |
| US20110037683A1 (en) * | 2009-08-13 | 2011-02-17 | Samsung Mobile Display Co., Ltd. | Organic light emitting diode display |
| CN106200148A (en) * | 2014-10-21 | 2016-12-07 | 三星显示有限公司 | Display floater and the display device with this display floater |
| CN108693654A (en) * | 2017-04-05 | 2018-10-23 | 上海和辉光电有限公司 | A kind of 3 d display device and preparation method thereof |
| CN109273481A (en) * | 2017-07-17 | 2019-01-25 | 上海和辉光电有限公司 | A kind of display panel and display device |
| CN108766980A (en) * | 2018-05-28 | 2018-11-06 | 武汉华星光电半导体显示技术有限公司 | A kind of display panel and display device |
| CN109285866A (en) * | 2018-09-21 | 2019-01-29 | 上海天马微电子有限公司 | The manufacturing method and display device of display panel, display panel |
Non-Patent Citations (2)
| Title |
|---|
| 内野研二: "《铁电器件》", 30 September 2017 * |
| 谢颖: "《ABO3型钙钛矿的相变机理、表面稳定性和电子结构的理论研究》", 31 March 2015 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021012343A1 (en) * | 2019-07-25 | 2021-01-28 | 武汉华星光电半导体显示技术有限公司 | Organic light-emitting device and organic light-emitting display apparatus |
| CN112310186A (en) * | 2020-10-30 | 2021-02-02 | 京东方科技集团股份有限公司 | Light emitting device, display panel and display apparatus |
| CN112750887A (en) * | 2020-12-31 | 2021-05-04 | 长沙惠科光电有限公司 | Display substrate, manufacturing process thereof and display device |
| CN113031337A (en) * | 2021-03-10 | 2021-06-25 | 京东方科技集团股份有限公司 | Display panel and display device |
| US11690272B2 (en) | 2021-03-10 | 2023-06-27 | Boe Technology Group Co., Ltd. | Display panel and display device |
| CN114975538A (en) * | 2022-04-27 | 2022-08-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and display module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109994535B (en) | 2021-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109994535A (en) | A kind of display panel and display device | |
| CN104576690B (en) | Organic light-emitting display device | |
| TWI578593B (en) | Organic light emitting diode device and method for fabricating the same | |
| CN104064579B (en) | Organic light emitting diode display | |
| CN102544061B (en) | White organic light emitting diode display and manufacture method thereof | |
| KR102485689B1 (en) | Organic light emitting display device and method of manufacturing an organic light emitting display device | |
| US11327361B2 (en) | Display panel, and display device and drive method thereof | |
| CN105633115B (en) | OLED device and its manufacturing method, display device | |
| US11552161B2 (en) | Display panels and methods for manufacturing the same | |
| KR20180056446A (en) | Display apparatus and method of manufacturing the same | |
| KR101939366B1 (en) | Organic light emitting diode display | |
| KR102278334B1 (en) | Organic light emitting display device | |
| KR20170085157A (en) | Organic light emitting display device | |
| TW201503446A (en) | Organic light-emitting diode (OLED) display and method of manufacturing the same | |
| JP3946671B2 (en) | Image display device based on photon emission suppression element and image display method using the same | |
| KR20120039874A (en) | Organic electro luminescent device | |
| TW201245801A (en) | Display device | |
| US10269876B2 (en) | Organic light emitting diode display | |
| CN114005861A (en) | Display substrate and display device | |
| KR20150105706A (en) | Display device | |
| TW200417289A (en) | Color light emitting display device | |
| CN105633116B (en) | OLED device and its manufacturing method, display device | |
| CN107179638B (en) | Display panel, control method thereof and display device | |
| JP2021067707A (en) | Display device | |
| KR20180032751A (en) | Display panel and display apparatus having the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |