CN107564945A - Transparent display panel, transparent display device and manufacturing method of transparent display panel - Google Patents
Transparent display panel, transparent display device and manufacturing method of transparent display panel Download PDFInfo
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- CN107564945A CN107564945A CN201710764564.6A CN201710764564A CN107564945A CN 107564945 A CN107564945 A CN 107564945A CN 201710764564 A CN201710764564 A CN 201710764564A CN 107564945 A CN107564945 A CN 107564945A
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- 239000000758 substrate Substances 0.000 claims abstract description 90
- 230000031700 light absorption Effects 0.000 claims abstract description 22
- 230000008033 biological extinction Effects 0.000 claims description 91
- 239000010410 layer Substances 0.000 claims description 62
- 238000002360 preparation method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000007641 inkjet printing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
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- 230000003111 delayed effect Effects 0.000 claims 1
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- 238000002310 reflectometry Methods 0.000 abstract description 13
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- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- 229910004205 SiNX Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of transparent display, and discloses a transparent display panel, a transparent display device and a manufacturing method of the transparent display panel, which are used for reducing the reflectivity of the back side of the transparent display panel and improving the transparent display effect of the transparent display device. The transparent display panel comprises a first substrate, a pixel circuit arranged on one side of the first substrate, and a plurality of light absorption structures arranged on one side of the pixel circuit close to the first substrate, wherein: the light absorption structures are arranged corresponding to the positions of the pixel circuits.
Description
Technical field
The present invention relates to Transparence Display technical field, more particularly to a kind of transparent display panel, transparent display and
The preparation method of transparent display panel.
Background technology
Growing with Display Technique, various new techniques continue to bring out, wherein, Transparence Display technology increasingly by
To the concern of people.Transparent display generally refers to that Transparence Display state can be formed so that beholder can see display device
In display image and display device behind scene display device.
It is existing a kind of saturating based on OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) technology
Obvious showing device, the primary structure of its display panel include underlay substrate, are set in turn in the cushion of underlay substrate side, open
Circuit layer, black matrix, ray structure and thin-film encapsulation layer are closed, wherein：On-off circuit layer includes thin film transistor (TFT) and and film
The grid line and data wire of transistor connection.
Above-mentioned prior art has a drawback in that, when user is watching transparent display close to the side of underlay substrate
When, due to the generally use metal material such as grid line and data wire, the light injected from underlay substrate can be reflected, the reflection
Light can mix with the light of Transparence Display, obscure so as to easily cause human eye vision.Therefore, existing transparent display is saturating
Substantially show less effective.
The content of the invention
The embodiment of the present invention provides the making side of a kind of transparent display panel, transparent display and transparent display panel
Method, to reduce the reflectivity of transparent display panel dorsal part, improve the Transparence Display effect of transparent display.
The embodiments of the invention provide a kind of transparent display panel, including the first underlay substrate, it is arranged at first lining
The image element circuit of substrate side, and it is arranged at multiple extinctions of the image element circuit close to the first underlay substrate side
Structure, wherein：
The multiple extinction structure is set with the image element circuit position correspondence.
Optionally, the transparent display panel is two-side transparent display panel.
Optionally, each extinction structure includes at least one extinction unit and the gear set around each extinction unit
Wall.
Optionally, each extinction unit includes rectangle, circle or more parallel to the cross sectional shape of first underlay substrate
Side shape.
Optionally, the material of the extinction unit includes polymer or non-crystalline silicon.
Preferably, the extinction unit includes dark extinction unit.
Preferably, the image element circuit includes grid line, data wire, electric capacity and drive circuit, the multiple extinction structure point
Do not set with the grid line, data wire, electric capacity and drive circuit position correspondence.
Optionally, the transparent display panel also includes between the multiple extinction structure and the image element circuit
First buffer layer.
Optionally, the transparent display panel also includes between the multiple extinction structure and the image element circuit
Second buffer layer between first buffer layer, and the multiple extinction structure and first underlay substrate.
Optionally, the transparent display panel also includes between the multiple extinction structure and the image element circuit
First buffer layer, and it is arranged at second buffer layer of first underlay substrate away from the multiple extinction structure side.
Preferably, the transparent display panel also includes being arranged at the image element circuit away from the multiple extinction structure one
The ray structure of side, the ray structure are included along first electrode, pixel circle set gradually away from the image element circuit direction
Given layer, organic layer and second electrode.
Preferably, the pixel defining layer defines layer including dark pixels.
Preferably, the transparent display panel also includes the second substrate base being oppositely arranged with first underlay substrate
Plate, and it is arranged at black matrix of second underlay substrate close to the first underlay substrate side.
Transparent display panel provided in an embodiment of the present invention, image element circuit are provided with more close to the side of the first underlay substrate
Individual extinction structure, side of first underlay substrate away from image element circuit are the first side, when user watches Transparence Display from the first side
During panel, extinction structure can absorb the light that transparent display panel is injected from the first side, so reduce transparent display panel
The reflectivity of first side, user can preferably watch the scene close to the side of transparent display panel second, so as to improve
The Transparence Display effect of obvious showing device.
The embodiment of the present invention additionally provides a kind of transparent display, including transparent as described in foregoing any technical scheme
Display panel.
In transparent display provided in an embodiment of the present invention, the image element circuit of transparent display panel is close to the first substrate base
The side of plate is provided with multiple extinction structures, when user is watching transparent display panel close to the side of the first underlay substrate,
Extinction structure can absorb the light injected from the first underlay substrate, so reduce the reflectivity of transparent display panel dorsal part,
User can preferably watch the scene of transparent display panel dorsal part, so as to improve the Transparence Display of transparent display effect
Fruit.
The embodiment of the present invention additionally provides a kind of preparation method of transparent display panel, including：
Light-absorption layer is formed on the first underlay substrate, light-absorption layer includes multiple extinction structures；
Image element circuit pattern is formed in side of first underlay substrate away from light-absorption layer；Or in light-absorption layer away from first
The side of underlay substrate forms image element circuit pattern.
Preferably, when each extinction structure includes at least one extinction unit and the gear set around each extinction unit
It is described to form light-absorption layer on the first underlay substrate during wall, including：
Barricade is formed on the first underlay substrate；
The side that barricade is formed in the first underlay substrate forms extinction unit using InkJet printing processes in barricade.
Preparation method provided in an embodiment of the present invention, image element circuit is formed in side of first underlay substrate away from light-absorption layer
Pattern, or form image element circuit pattern in side of the light-absorption layer away from the first underlay substrate.Made using the preparation method
Display panel, when display panel applications are in display device, when user is transparent aobvious close to the viewing of the side of the first underlay substrate
During showing device, extinction structure can absorb the light injected from the first underlay substrate, so reduce transparent display dorsal part
Reflectivity, user can preferably watch the scene of transparent display dorsal part, so as to improve transparent display
Transparence Display effect.
Brief description of the drawings
Fig. 1 is the structural representation of the first transparent display panel of the embodiment of the present invention；
Fig. 2 is the structural representation of second of transparent display panel of the embodiment of the present invention；
Fig. 3 is the structural representation of the third transparent display panel of the embodiment of the present invention；
Fig. 4 is the structural representation of the 4th kind of transparent display panel of the embodiment of the present invention；
Fig. 5 is the structural representation of the 5th kind of transparent display panel of the embodiment of the present invention；
Fig. 6 is the structural representation of extinction structure of the embodiment of the present invention；
Fig. 7 a- Fig. 7 c are the top view of extinction structure of the embodiment of the present invention；
Fig. 8 is the structural representation of the 6th kind of transparent display panel of the embodiment of the present invention；
Fig. 9 is the schematic diagram of transparent display of the embodiment of the present invention；
Figure 10 is the schematic flow sheet of the preparation method of transparent display panel of the embodiment of the present invention；
Figure 11 is the schematic flow sheet of step 102 in Figure 10.
Reference：
The underlay substrates of 1- first；2- image element circuits；3- extinction structures；4- first buffer layers；5- ray structures；
6- first electrodes；7- pixel defining layers；8- organic layers；9- second electrodes；10- second buffer layers；
11- extinction units；12- barricades；The underlay substrates of 13- second；14- black matrix；15- color membrane structures；
16- luminous zones；17- clear areas；18- circuit regions；19- flatness layers；20- transparent displays；
21- transparent display panels.
Embodiment
In order to reduce the reflectivity of transparent display panel dorsal part, the Transparence Display effect of transparent display, this hair are improved
The preparation method that bright embodiment provides a kind of transparent display panel, transparent display and transparent display panel.To make this hair
Bright purpose, technical scheme and advantage are clearer, and the present invention is described in further detail by the following examples.
As shown in figure 1, the embodiments of the invention provide a kind of transparent display panel, including the first underlay substrate 1, it is arranged at
The image element circuit 2 of the side of first underlay substrate 1, and it is arranged at multiple suctions of the image element circuit 2 close to the side of the first underlay substrate 1
Photo structure 3, wherein：Aforesaid plurality of extinction structure 3 is set with the position correspondence of image element circuit 2.
Generally, transparent display can be divided into one side transparent display and two-side transparent display dress according to display function
Put.The direction projected according to light, one side transparent display include top emission type and bottom emitting type；One side transparent display
For one side light extraction, user can watch display picture from the exiting surface of one side transparent display.Two-side transparent display device
Including position relative the first exiting surface and the second exiting surface, user can clearly watch display from two exiting surfaces
Picture.
Transparent display panel provided in an embodiment of the present invention, image element circuit 2 are provided with close to the side of the first underlay substrate 1
Multiple extinction structures 3, the first side of the underlay substrate 1 away from image element circuit 2 are the first side, when user is transparent from the viewing of the first side
During display panel, extinction structure 3 can absorb the light that transparent display panel is injected from the first side, so reduce Transparence Display
The reflectivity of the side of panel first, user can preferably watch the scene close to the side of transparent display panel second, so as to improve
The Transparence Display effect of transparent display.
In the present embodiment, image element circuit 2 includes grid line, data wire, electric capacity and drive circuit, aforesaid plurality of extinction structure
3 are set with grid line, data wire, electric capacity and drive circuit position correspondence respectively.Grid line, data wire, electric capacity and the drive of image element circuit 2
Dynamic circuit generally use metal material, easily reflects light, extinction structure 3 is arranged at grid line, data wire, electric capacity and drive
Dynamic circuit can so absorb the light that transparent display panel is injected from the first underlay substrate 1 close to the side of the first underlay substrate 1
Line, so as to reduce the light from the reflection of the first underlay substrate 1.
In an embodiment of the present invention, the particular type of transparent display panel is unlimited.As shown in figure 1, the one of the present invention
In embodiment, transparent display panel is emission structure at top, including luminous zone 16 and clear area 17；Transparent display panel also includes position
First buffer layer 4 between aforesaid plurality of extinction structure 3 and image element circuit 2；First underlay substrate 1 is away from image element circuit 2
Side is the first side, and side of the image element circuit 2 away from the first underlay substrate 1 is the second side.When transparent display panel is in display shape
During state, display light projects transparent display panel from the luminous zone 16 of the second side, and now ambient is inevitably from first
Transparent display panel is injected in side, and aforesaid plurality of extinction structure 3 can absorb the light of injection, so reduce transparent display panel
The light of first lateral reflection, preferably watched close to Transparence Display when user is watched transparent display panel from the first side
The scene of the side of panel second, so as to improve the Transparence Display effect of transparent display.
As shown in Fig. 2 in another embodiment of the present invention, transparent display panel is bottom emitting structure, the first substrate base
Side of the plate 1 away from image element circuit 2 is the first side.When transparent display panel is in dispaly state, display light is penetrated from the first side
Go out transparent display panel, the ambient that transparent display panel is now injected from the first side can be inhaled by aforesaid plurality of extinction structure 3
Receive, so reduce the reflection light of the side of transparent display panel first, when the user is watched transparent display panel from the first side
It is enough preferably to watch the picture that transparent display panel is shown, the phenomenon that reflection light mixes with showing light is improved, so as to
Improve the Transparence Display effect of transparent display.
As shown in figure 3, in another embodiment of the invention, transparent display panel is two-side transparent display panel, transparent
Display panel includes luminous zone 16, clear area 17 and circuit region 18；First side of the underlay substrate 1 away from image element circuit 2 is the
Side, side of the image element circuit 2 away from the first underlay substrate 1 are the second side.When transparent display panel is in double-sided display state,
Show that light distinguishes the first side and the second side and projects transparent display panel, user more can clearly watch aobvious from the second side
Show picture.The ambient that can be now injected from the first side can be absorbed by aforesaid plurality of extinction structure 3, so reduce transparent aobvious
Show the light of the lateral reflection of panel first, preferably watched when user is watched transparent display panel from the first side transparent aobvious
Show the picture of Display panel, so as to improve the double-sided display effect of transparent display.
Continue referring to shown in Fig. 1 to Fig. 3, in an embodiment of the present invention, transparent display panel also includes being arranged at picture
Ray structure 5 of the plain circuit away from aforesaid plurality of extinction structure side, ray structure 5 include along away from the direction of image element circuit 2 according to
First electrode 6, pixel defining layer 7, organic layer 8 and the second electrode 9 of secondary setting；Transparent display panel also includes being arranged at hair
Flatness layer 19 of the photo structure 5 away from the side of the first underlay substrate 1.In the emission structure at top transparent display panel shown in Fig. 1, second
Electrode 9 is transparent cathode；In the two-side transparent display panel shown in Fig. 2, second electrode 9 is transparent cathode；At the bottom shown in Fig. 3
Emitting structural transparent display panel, second electrode 9 are reflective cathode.In the present embodiment, preferably, pixel defining layer 7 includes
Dark pixels define layer, for example, brown pixel defining layer, black picture element define layer or dark brown pixel defining layer.So, pixel
The ambient injected from ray structure 5 away from the side of the first underlay substrate 1 can be absorbed by defining layer 7, reduce Transparence Display
Reflectivity on front side of panel.Preferably, pixel defining layer 5 is that black picture element defines layer.
Generally, in order to strengthen the pliability of transparent display panel, transparent display panel is provided with multi-buffering-layer.Such as Fig. 4
Shown, in one embodiment of this invention, transparent display panel also includes being located at aforesaid plurality of extinction structure 3 and image element circuit 2
Between first buffer layer 4, and the second buffer layer 10 between the underlay substrate 1 of aforesaid plurality of extinction structure 3 and first.Such as figure
Shown in 5, in another embodiment of the invention, transparent display panel is also included positioned at aforesaid plurality of extinction structure 3 and pixel electricity
First buffer layer 4 between road 2, and to be arranged at the first underlay substrate 1 second away from the aforesaid plurality of side of extinction structure 3 slow
Rush layer 10.
In an embodiment of the present invention, the concrete structure type of aforesaid plurality of extinction structure 3 is unlimited.For example, such as Fig. 6 institutes
Show, in one embodiment of this invention, each extinction structure 3 includes at least one extinction unit 11 and around each extinction list
The barricade 12 that member 11 is set, foregoing at least one extinction unit 11 are set with the position correspondence of image element circuit 2.Using the structure design
Extinction structure 3, can be made using InkJet printing processes, manufacture craft is relatively simple.Such as Fig. 7 a, Fig. 7 b and Fig. 7 c institutes
Show, in the present embodiment, each extinction unit 11 is unlimited parallel to the cross sectional shape of the first underlay substrate 1, such as can be square
Shape, circle or polygon.In the present embodiment, the specific distribution mode of extinction unit 11 is unlimited, such as can be such as Fig. 7 a institutes
The array distribution shown, or can also be as shown in Figure 7b the distribution that is staggered.The material of extinction unit 11 is unlimited, such as can be poly-
Compound or non-crystalline silicon.In addition, in the present embodiment, extinction unit 11 includes dark extinction unit, for example, brown extinction unit or
Black light-absorbing unit.Preferably, extinction unit 11 is black light-absorbing unit.
In another embodiment of the invention, aforesaid plurality of extinction structure 3 be with layer make extinction film layer, extinction film layer
The insulating materials of bottom reflectivity, such as non-crystalline silicon can be used.Using the extinction structure 3 of the structure design, CVD can be used
(Chemical Vapor Deposition, chemical vapor deposition) technique is made.
As shown in figure 8, in an embodiment of the present invention, transparent display panel also includes being oppositely arranged with the first underlay substrate
The second underlay substrate 13, and be arranged at black matrix 14 of second underlay substrate 13 close to the side of the first underlay substrate 1.Black square
Battle array 14 can absorb the ambient injected from the second underlay substrate 13 away from the side of the first underlay substrate 1, can so reduce
Reflectivity on front side of transparent display panel.Transparent display panel also includes being arranged at black matrix 14 away from the second underlay substrate 13
Color membrane structure 15.It is relatively low with the reflectivity of dorsal part on front side of transparent display panel using the transparent display panel of the structure design,
So as to improve the Transparence Display effect of transparent display.
As shown in figure 9, the embodiment of the present invention additionally provides a kind of transparent display 20, including it is saturating such as previous embodiment
Bright display panel 21.
In transparent display 20 provided in an embodiment of the present invention, the image element circuit of transparent display panel 21 is close to the first lining
The side of substrate is provided with multiple extinction structures, when user is watching transparent display panel close to the side of the first underlay substrate
When 21, extinction structure can absorb the light injected from the first underlay substrate, so reduce the dorsal part of transparent display panel 21
Reflectivity, user can preferably watch the scene of the dorsal part of transparent display panel 21, so as to improve transparent display 20
Transparence Display effect.
In an embodiment of the present invention, the particular type of transparent display 20 is unlimited, for example, can be shop show window,
The window or vehicle window of public information notice board, building.
As shown in Figure 10, the embodiment of the present invention additionally provides a kind of preparation method of transparent display panel, including：
Step 101, light-absorption layer is formed on the first underlay substrate, light-absorption layer includes multiple extinction structures；
Step 102, in side of first underlay substrate away from light-absorption layer form image element circuit pattern；Or in light-absorption layer
Side away from the first underlay substrate forms image element circuit pattern.
Preparation method provided in an embodiment of the present invention, image element circuit is formed in side of first underlay substrate away from light-absorption layer
Pattern, or form image element circuit pattern in side of the light-absorption layer away from the first underlay substrate.Made using the preparation method
Display panel, when display panel applications are in display device, when user is transparent aobvious close to the viewing of the side of the first underlay substrate
During showing device, extinction structure can absorb the light injected from the first underlay substrate, so reduce transparent display dorsal part
Reflectivity, user can preferably watch the scene of transparent display dorsal part, so as to improve transparent display
Transparence Display effect.
In the present embodiment, the specific manufacture craft of light-absorption layer is unlimited, such as can use InkJet printing processes or CVD works
Skill.
As shown in figure 11, in one embodiment of this invention, when each extinction structure include at least one extinction unit with
And during around the barricade that each extinction unit is set, light-absorption layer is formed on the first underlay substrate in step 102, is specifically included：
Step 201, form barricade on the first underlay substrate；
Step 202, the first underlay substrate formed barricade side extinction is formed in barricade using InkJet printing processes
Unit.
In the present embodiment, the specific material of barricade is unlimited, such as can be SiNX、SiO2、Al2O3Or other high temperature resistants
Material.Preferably, inkjet printing is using dark ink printing extinction unit, such as brown or black ink.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (16)
1. a kind of transparent display panel, it is characterised in that including the first underlay substrate, be arranged at the first underlay substrate side
Image element circuit, and be arranged at multiple extinction structures of the image element circuit close to the first underlay substrate side, wherein：
The multiple extinction structure is set with the image element circuit position correspondence.
2. transparent display panel as claimed in claim 1, it is characterised in that the transparent display panel is that two-side transparent is shown
Panel.
3. transparent display panel as claimed in claim 1, it is characterised in that each extinction structure includes at least one extinction list
Member and the barricade set around each extinction unit.
4. transparent display panel as claimed in claim 3, it is characterised in that each extinction unit is parallel to first substrate
The cross sectional shape of substrate includes rectangle, circle or polygon.
5. transparent display panel as claimed in claim 3, it is characterised in that the material of the extinction unit include polymer or
Non-crystalline silicon.
6. transparent display panel as claimed in claim 3, it is characterised in that the extinction unit includes dark extinction unit.
7. transparent display panel as claimed in claim 1, it is characterised in that the image element circuit includes grid line, data wire, electricity
Hold and drive circuit, the multiple extinction structure are set with the grid line, data wire, electric capacity and drive circuit position correspondence respectively
Put.
8. transparent display panel as claimed in claim 1, it is characterised in that also include being located at the multiple extinction structure and institute
State the first buffer layer between image element circuit.
9. transparent display panel as claimed in claim 1, it is characterised in that also include being located at the multiple extinction structure and institute
Second stated between the first buffer layer between image element circuit, and the multiple extinction structure and first underlay substrate is delayed
Rush layer.
10. transparent display panel as claimed in claim 1, it is characterised in that also include positioned at the multiple extinction structure and
First buffer layer between the image element circuit, and first underlay substrate is arranged at away from the multiple extinction structure one
The second buffer layer of side.
11. transparent display panel as claimed in claim 1, it is characterised in that also remote including being arranged at the image element circuit
The ray structure of the multiple extinction structure side, the ray structure include setting gradually along away from the image element circuit direction
First electrode, pixel defining layer, organic layer and second electrode.
12. transparent display panel as claimed in claim 11, it is characterised in that the pixel defining layer includes dark pixels circle
Given layer.
13. transparent display panel as claimed in claim 1, it is characterised in that also include relative with first underlay substrate
The second underlay substrate set, and it is arranged at black square of second underlay substrate close to the first underlay substrate side
Battle array.
14. a kind of transparent display, it is characterised in that including the Transparence Display face as described in any one of claim 1~13
Plate.
A kind of 15. preparation method of transparent display panel, it is characterised in that including：
Light-absorption layer is formed on the first underlay substrate, light-absorption layer includes multiple extinction structures；
Image element circuit pattern is formed in side of first underlay substrate away from light-absorption layer；Or in light-absorption layer away from the first substrate
The side of substrate forms image element circuit pattern.
16. preparation method as claimed in claim 15, it is characterised in that when each extinction structure includes at least one extinction list
Member and during around the barricade that each extinction unit is set, it is described to form light-absorption layer on the first underlay substrate, including：
Barricade is formed on the first underlay substrate；
The side that barricade is formed in the first underlay substrate forms extinction unit using InkJet printing processes in barricade.
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