CN205789984U - Display base plate and display device - Google Patents
Display base plate and display device Download PDFInfo
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- CN205789984U CN205789984U CN201620720196.6U CN201620720196U CN205789984U CN 205789984 U CN205789984 U CN 205789984U CN 201620720196 U CN201620720196 U CN 201620720196U CN 205789984 U CN205789984 U CN 205789984U
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Abstract
This utility model provides a kind of display base plate and display device, belongs to Display Technique field, and its integrated level also ratio that can solve existing display base plate is relatively low, and thickness is thicker, is unfavorable for the problem that display floater is lightening.Display base plate of the present utility model, including substrate, is arranged on the display unit above substrate, is arranged on the color film layer above described display unit, and has been sequentially arranged above the first flatness layer and the second flatness layer at described color film layer；Wherein, described first flatness layer is provided with a plurality of first groove；Described second flatness layer is provided with a plurality of second groove；A plurality of described first groove and a plurality of described second groove are arranged in a crossed manner in suprabasil orthographic projection；It is filled with the first wire in described first groove；It is filled with the second wire in described second groove.
Description
Technical field
This utility model belongs to Display Technique field, is specifically related to a kind of display base plate and display device.
Background technology
There is the display screen (touch screen) of touch function obtain and be increasingly widely applied.And capacitive touch screen is tactile
Touch a kind of important form of screen, capacitive touch screen is provided with multiple cross one another drive electrode (Tx) and induction electrode
(Rx), two kinds of electrode adjacents form electric capacity；Each drive electrode, to scan form load driver signal, induction electrode produces accordingly
Raw induced signal；When there being touch to occur, human body or felt pen, near Touch Zone, affect two kinds of interelectrode electricity in this region
Holding, the induced signal of corresponding induction electrode changes, thus can determine that touch location.
And for the display screen with touch function, the most then need generally then to need having been formed with display
At preparation touch control electrode and induction electrode (and also forming insulating barrier between touch control electrode and induction electrode) on the substrate of part, and
The integrated level of this substrate also ratio is relatively low, and thickness is thicker, is unfavorable for that display floater is lightening.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art, it is provided that a kind of integrated level is high,
Surcharge is big and the display base plate of thinner thickness and display device.
Solve this utility model technical problem and be employed technical scheme comprise that a kind of display base plate, including substrate, be arranged on
Display unit above substrate, is arranged on the color film layer above described display unit, and sets successively above described color film layer
It is equipped with the first flatness layer and the second flatness layer；Wherein,
Described first flatness layer is provided with a plurality of first groove；Described second flatness layer is provided with a plurality of second
Groove；A plurality of described first groove and a plurality of described second groove are arranged in a crossed manner in suprabasil orthographic projection；
It is filled with the first wire in described first groove；It is filled with the second wire in described second groove.
Preferably, described display unit includes multiple organic electroluminescence device；Described color film layer includes multiple colour
Optical filter；Wherein, described organic electroluminescence device is correspondingly arranged with the colored filter in described color film layer.
It may further be preferable that multiple described organic electroluminescence devices include glow organic electroluminescent device, green glow
Organic electroluminescence device, blue light organic electroluminescence device.
It may further be preferable that multiple described organic electroluminescence devices are white light organic electroluminescent device.
It may further be preferable that described display base plate also includes being arranged on described organic electroluminescence device and described color film
Encapsulated layer between Ceng.
It may further be preferable that described organic electroluminescence device includes pixel confining layers；Described first wire and described
Second wire position is corresponding with the position of described pixel confining layers.
It may further be preferable that described organic electroluminescence cell also includes: anode layer, luminescent layer, cathode layer；Wherein,
Described anode layer is arranged on above substrate, and described pixel confining layers is arranged on above described anode layer；Described luminescence
Layer is arranged in the open region of described pixel confining layers；Described cathode layer is arranged on described pixel confining layers and described luminescent layer
Side；Or,
Described cathode layer is arranged on above substrate, and described pixel confining layers is arranged on above described cathode layer；Described luminescence
Layer is arranged in the open region of described pixel confining layers；Described anode layer is arranged on described pixel confining layers and described luminescent layer
Side.
Preferably, described display unit includes multiple pixel electrode.
Preferably, a plurality of described first wire and a plurality of described second wires cross are arranged；Wherein, two is adjacent described
The spacing of the second wire is 100-2000 μm.
Preferably, the width of described first groove and described second groove is 3-20 μm.
Preferably, the degree of depth of described first groove and described second groove is 1-5 μm.
Preferably, what the material of described first wire and described second wire all included in silver, gold, copper, aluminum is any one
Plant or multiple.
Solving this utility model technical problem and be employed technical scheme comprise that a kind of display device, it includes above-mentioned display
Substrate.
This utility model has the advantages that
The first wire in this utility model and the one in the second wire can be used as touch control electrode, and another one can be used as sense
Answer electrode.It is to say, in display base plate of the present utility model, the touch control electrode in touch base plate is integrated in first smooth
Layer neutralizes and is integrated in the second flatness layer by induction electrode, improves degree of integration and the surcharge of display base plate；Meanwhile, will touch
Control electrode and induction electrode are arranged in the groove of the first flatness layer and the second flatness layer, can't increase organic electroluminescent two
The thickness of pole pipe substrate.
Accompanying drawing explanation
Fig. 1 and 2 is the structure chart of embodiment 1 display base plate of the present utility model；
Fig. 3 is the schematic diagram of the first groove of the display base plate of embodiment 1 of the present utility model；
Fig. 4 is the schematic diagram of the second groove of the display base plate of embodiment 1 of the present utility model；
Fig. 5 is the first wire and the signal of the second wires cross setting of the display base plate of embodiment 1 of the present utility model
Figure；
Fig. 6 is the schematic diagram of the preparation method of the display base plate of embodiment 2 of the present utility model；
Fig. 7 and 8 is the schematic diagram of the step one of the preparation method of the display base plate of embodiment 2 of the present utility model；
Fig. 9 is the schematic diagram of the step 2 of the preparation method of the display base plate of embodiment 2 of the present utility model；
Figure 10 is the schematic diagram of the step 3 of the preparation method of the display base plate of embodiment 2 of the present utility model；
Figure 11 is the schematic diagram of the step 4 of the preparation method of the display base plate of embodiment 2 of the present utility model；
Figure 12 is the schematic diagram of the step 5 of the preparation method of the display base plate of embodiment 2 of the present utility model.
Wherein reference is: 1, substrate；2, organic electroluminescence device；21, pixel confining layers；3, inorganic film；4、
Organic film；5, protective layer；6, color film layer；7, the first flatness layer；8, the first groove；9, the first wire；10, the second flatness layer；
11, the second groove；12, the second wire；13, thin film transistor (TFT)；14, passivation layer；15, pixel electrode.
Detailed description of the invention
For making those skilled in the art be more fully understood that the technical solution of the utility model, real with concrete below in conjunction with the accompanying drawings
This utility model is described in further detail by mode of executing.
Embodiment 1:
Shown in Fig. 1-5, the present embodiment provides a kind of display base plate, including substrate 1, is arranged on showing above substrate 1
Show unit, be arranged on the color film layer 6 above display unit, and be sequentially arranged above the first flatness layer 7 and the at color film layer 6
Two flatness layers 10；Wherein, the first flatness layer 7 is provided with a plurality of first groove 8；Second flatness layer 10 is provided with a plurality of
Second groove 11；A plurality of first groove 8 and the orthographic projection on the base 1 of a plurality of second groove 11 are arranged in a crossed manner；At the first groove 8
In be filled with the first wire 9；The second wire 12 it is filled with in the second groove 11.
It is understood that the one in the first wire 9 and the second wire 12 can be used as touch control electrode, another one can be used as
Induction electrode.It is to say, in the display base plate of the present embodiment, the touch control electrode in touch base plate is integrated in first smooth
It is integrated in the second flatness layer 10 in layer 7 and by induction electrode, improves degree of integration and the surcharge of display base plate；Meanwhile,
Touch control electrode and induction electrode are arranged in the groove of the first flatness layer 7 and the second flatness layer 10, Organic Electricity can't be increased
The thickness of photoluminescence diode base plate.
As shown in Figures 3 and 4, the first above-mentioned groove 8 and the second groove 11 are preferably list structure, it is of course also possible to adopt
By other shapes such as pulse, sine wave, sawtooth waveforms.
Preferably, as it is shown in figure 5, a plurality of first wire 9 and a plurality of second wire 12 in the present embodiment are arranged in a crossed manner,
(limiting grid pattern)；Wherein, distance P between any two the second adjacent wires 12 is 100-2000 μm.The most excellent
Choosing, P is 300-1000 μm.It is understandable that the width of the first wire 9 the controlling of width by the first groove 8；Second leads
The width of line 12 is by the control of the second groove 11.
Wherein, the width of the first groove 8 and the second groove 11 is both preferably 3-20 μm, more preferably 3-10 μm；The
The degree of depth of one groove 8 and the second groove 11 is both preferably 1-5 μm, more preferably 2-4 μm.
Wherein, the material of the first wire 9 and the second wire 12 all preferably include in silver, gold, copper, aluminum any one or many
Kind, it is particularly preferred to be silver.Of course, as long as ensureing that the material of the first wire 9 and the second wire 12 is conducting metal.
It is below two kinds of specific implementations in the present embodiment.
The first implementation: as it is shown in figure 1, the display base plate of the present embodiment is organic electroluminescent LED (OLED)
Substrate, it includes substrate 1, arranges multiple organic electroluminescence devices 2 on the base 1, be arranged on multiple organic electroluminescent
Color film layer 6 above the layer of device 2 place, and it has been sequentially arranged above the first flatness layer 7 and the second flatness layer at color film layer 6
10；Wherein, the first flatness layer 7 is provided with the first groove 8；Second flatness layer 10 is provided with the second groove 11；First
Groove 8 and the orthographic projection on the base 1 of the second groove 11 are arranged in a crossed manner；The first wire 9 it is filled with in the first groove 8；?
Two grooves 11 are filled with the second wire 12.Wherein, color film layer 6 includes that multiple colored filter is (such as: Red lightscreening plate, green
Colo(u)r filter, blue color filter), the position of organic electroluminescence device 2 is corresponding with the position of colored filter.That is,
The exiting surface side of organic electroluminescence device 2 is provided with colored filter.
Wherein, multiple organic electroluminescence devices 2 can include that glow organic electroluminescent device, green glow organic electroluminescence are sent out
Optical device, blue light organic electroluminescence device.Now, color film layer 6 is selected and is included Red lightscreening plate R, green color filter G, blueness
The colored filter of tri-kinds of colors of optical filter B；Glow organic electroluminescent device is correspondingly arranged with Red lightscreening plate R, and green glow has
Organic electroluminescence devices is correspondingly arranged with green color filter G, and blue light organic electroluminescence device is corresponding with blue color filter B to be set
Put.The oled substrate of this kind of structure can omit the setting of circular polarizing disk so that applies the display floater of this oled substrate more
Frivolous, brightness and excitation can also be improved simultaneously.
Certainly, multiple organic electroluminescence devices 2 are white light organic electroluminescent device 2；Now, color film layer 6 is selected
Including Red lightscreening plate R, green color filter G, the colored filter of tri-kinds of colors of blue color filter B；The OLED base of this kind of structure
Plate can realize ultrahigh resolution (＞ 600ppi), can also avoid using FMM (Fine matel mask) evaporation to send out simultaneously
The technical problem occurred during luminescent material.
Certainly, it is additionally provided with between organic electroluminescence device 2 and color film layer 6 organic electroluminescence device 2 is encapsulated
Encapsulated layer.Wherein encapsulated layer includes that N cluster film group and be arranged on the protective layer 5 above thin film group, N are whole more than or equal to 1
Number, every cluster film group includes along deviating from described organic electroluminescence device 2 direction, the inorganic film 3 set gradually and organic membrane
Layer 4.Wherein, inorganic film 3 is barrier layer, is used for stopping that water, oxygen etc. pollute organic electroluminescence device 2, and organic film 4 is
Flatness layer, in order to provide flat surfaces.Described protective layer 5 is inorganic film 3, is used for stopping the extraneous contaminants such as water, oxygen
Organic electroluminescence cell；Or this protective layer 5 is organic film 4, is used for providing flat surfaces.
Wherein, the thickness of organic film 4 is more than 3 μm, preferably scope in 3-12 μm, and further preferred scope is in 4-8 μm.Nothing
Machine film layer 3 is thinner compared with organic film 44, and preferred thickness is 0.2-1.0 μm.
Wherein, organic electroluminescence device 2 can be top emission type organic electroluminescence device 2, it is also possible to for bottom emitting
Type organic electroluminescence device 2；Wherein, the organic electroluminescence device 2 of top emission type generally includes and sets gradually (according to preparation
Anode layer sequentially) on the base 1, pixel confining layers 21, luminescent layer (being arranged in the opening of pixel confining layers 21), negative electrode
Layer.And the organic electroluminescence device 2 of bottom emitting type generally includes the negative electrode setting gradually (according to preparation order) on the base 1
Layer, pixel confining layers 21, luminescent layer (being arranged in the opening of pixel confining layers 21), anode layer.The most preferred
First wire 9 and the second wire 12 are arranged on the position corresponding with pixel confining layers 21.
Why it is arranged such and is because, pixel confining layers 21 namely barricade, it is used for limiting luminescent layer position, and sends out
Photosphere is namely for the location of pixels of display, and the most just first wire 9 and the second wire 12 are arranged on and pixel confining layers
Luminescent layer will not be blocked in 21 corresponding positions, also would not affect the aperture opening ratio of pixel.
The second implementation: as in figure 2 it is shown, the display base plate of the present embodiment is the substrate that color film is made on array base palte
(COA substrate), it includes, in substrate 1, arranges thin film transistor (TFT) 13 on the base 1, and drain the picture being connected with thin film transistor (TFT) 13
Element electrode 15, is arranged on the color film layer 6 above the layer of pixel electrode 15 place, and has been sequentially arranged above first at color film layer 6
Flatness layer 7 and the second flatness layer 10；Wherein, the first flatness layer 7 is provided with the first groove 8；Second flatness layer 10 sets
It is equipped with the second groove 11；First groove 8 and the orthographic projection on the base 1 of the second groove 11 are arranged in a crossed manner；First groove 8 is filled out
It is filled with the first wire 9；The second wire 12 it is filled with in the second groove 11.
Embodiment 2:
In conjunction with Fig. 1,2,6-12 present embodiments provide the preparation method of a kind of display base plate, this display base plate is embodiment
Display base plate in 1.Described preparation method specifically includes following steps:
Step one, form display unit on the base 1.
Concrete, if as it is shown in fig. 7, this display base plate is oled substrate, step one specifically includes: 1) on the base 1
Use sputtering anode conducting thin film, and formed the figure including anode layer by patterning processes；2) at the base being formed with anode layer 1
, the figure including pixel confining layers 21 is formed by patterning processes at the end 1；3) in the substrate 1 being formed with pixel confining layers 21,
Use vacuum evaporation process, the opening of pixel confining layers 2121 is formed luminescent layer；4) formed in luminescent layer substrate 1, adopting
Cathode layer is formed with vacuum evaporation process.5) in the substrate 1 forming cathode layer, encapsulated layer is formed.Form encapsulated layer (to include 1
Illustrate as a example by cluster film group) step specifically include: first, use reactive sputtering method, under vacuum conditions, at oxygen
Sputtering under argon-mixed atmosphere, form ground floor inorganic film 3, organic electroluminescence device 2 is covered by this ground floor inorganic film 3
Lid, prevents water, oxygen etc. from invading organic electroluminescence device 2, affects the service life of organic electroluminescence device 2；It follows that
Ground floor organic film 4 is formed by the way of inkjet printing (IJP)；Finally, protective layer 5 is formed.Certainly, organic electroluminescence is prepared
Luminescent device 2 can also include preparing the functional film layer such as hole injection layer, hole transmission layer, electron injecting layer, electron transfer layer
Step, be not described in detail herein.It should be noted that foregoing description is all the organic electroluminescence device 2 with top emission type
Preparation as a example by illustrate, it is to be understood that bottom emitting type organic click can be prepared after the same method luminous
Device, simply anode layer is different with cathode layer preparation order.
As shown in Figure 8, if display base plate is COA substrate, step one includes: 1) form thin film transistor (TFT) on the base 1
13 (including forming grid, source electrode, the step of drain electrode)；2) formed passivation layer 14, and in passivation layer 14 with thin film transistor (TFT) 13
The position etching vias corresponding to drain electrode；3) figure of pixel electrode 15, pixel electrode 15 is included by patterning processes formation
It is connected by the drain electrode of via with thin film transistor (TFT) 13.
Step 2, formation coloured silk film layer 6 (including black matrix and colored filter) in the substrate 1 complete step one, such as Fig. 9
Shown in.
This step specifically includes: by techniques such as coating, exposure, development, bakings in the substrate 1 be formed with display unit
Form black matrix (BM；BLACK MATRIX), by coating above black matrix, exposure, development, the technique such as baking is formed respectively
Colored filter 1, the most such as colored filter of red, green, blue (RGB) sub-pixel.Wherein black matrix and colored filter
It is spaced.
Step 3, in the substrate 1 complete step 2, form the first flatness layer 7, and formed a plurality of in the first flatness layer 7
First groove 8, as shown in Figure 10.
Concrete, first step 3 may include that, forms the first flatness layer 7 by the way of inkjet printing (IJP)；Connect
Getting off, carry out the first flatness layer 7 formed in advance is graphical；Finally, use the mode of impressing patterned first
The first groove 8 is formed on flatness layer 7 surface；Wherein, to the process of the first flatness layer 7 surface coining preferably at N2Or vacuum
Complete under environment, further preferred at N2Environment completes moulding process.
Step 4, in the first groove 8, form the first wire 9, as shown in figure 11.
Concrete, first step 4 may include that, prints nano metal by inkjet printing mode in the first groove 8
Particle ink (particularly preferably nano-Ag particles ink)；Afterwards, use the mode of photon sintering or laser pulse sintering to receiving
Rice metallic particles carries out conductive treatment, forms the first wire 9.It should be noted that use sintering processing only at the first groove 8
In nano-metal particle ink is sintered high temperature, the organic electroluminescence device 2 below this film layer can't be caused
Technogenic influence.
Step 5, identical with the mode of step 3, form the second flatness layer 10, and formed a plurality of in the second flatness layer 10
Second groove 11, as shown in figure 12.
Step 6 is identical with the mode of step 4, forms the second wire 12, as shown in the figures 1 and 2 in the second groove 11.
So far the preparation of display base plate is completed.
Embodiment 3:
The present embodiment provides a kind of display device, and it includes the display base plate described in embodiment 1, therefore the present embodiment is aobvious
The integrated level of showing device is high, and surcharge is high, and can apply to Flexible Displays.
This display device can be: Electronic Paper, oled panel, mobile phone, panel computer, television set, display, notebook electricity
Any product with display function or the parts such as brain, DPF, navigator.
It is understood that embodiment of above be merely to illustrate that principle of the present utility model and use exemplary
Embodiment, but this utility model is not limited thereto.For those skilled in the art, without departing from this
In the case of the spirit of utility model and essence, can make various modification and improvement, these modification and improvement are also considered as this reality
With novel protection domain.
Claims (13)
1. a display base plate, it is characterised in that include substrate, is arranged on the display unit above substrate, is arranged on described aobvious
Show the color film layer above unit, and be sequentially arranged above the first flatness layer and the second flatness layer at described color film layer；Wherein,
Described first flatness layer is provided with a plurality of first groove；Described second flatness layer is provided with a plurality of second recessed
Groove；A plurality of described first groove and a plurality of described second groove are arranged in a crossed manner in suprabasil orthographic projection；
It is filled with the first wire in described first groove；It is filled with the second wire in described second groove.
Display base plate the most according to claim 1, it is characterised in that described display unit includes multiple organic electroluminescent
Device；Described color film layer includes multiple colored filter；Wherein, described organic electroluminescence device and the coloured silk in described color film layer
Colo(u)r filter is correspondingly arranged.
Display base plate the most according to claim 2, it is characterised in that multiple described organic electroluminescence devices include HONGGUANG
Organic electroluminescence device, green organic electrofluorescence device, blue light organic electroluminescence device.
Display base plate the most according to claim 2, it is characterised in that multiple described organic electroluminescence devices are white light
Organic electroluminescence device.
Display base plate the most according to claim 2, it is characterised in that also include being arranged on described organic electroluminescence device
And the encapsulated layer between described color film layer.
Display base plate the most according to claim 2, it is characterised in that described organic electroluminescence device includes that pixel limits
Layer；Described first wire is corresponding with the position of described pixel confining layers with described second wire position.
Display base plate the most according to claim 6, it is characterised in that described organic electroluminescence cell also includes: anode
Layer, luminescent layer, cathode layer；Wherein,
Described anode layer is arranged on above substrate, and described pixel confining layers is arranged on above described anode layer；Described luminescent layer sets
Put in the open region of described pixel confining layers；Described cathode layer is arranged on above described pixel confining layers and described luminescent layer；
Or,
Described cathode layer is arranged on above substrate, and described pixel confining layers is arranged on above described cathode layer；Described luminescent layer sets
Put in the open region of described pixel confining layers；Described anode layer is arranged on above described pixel confining layers and described luminescent layer.
Display base plate the most according to claim 1, it is characterised in that described display unit includes multiple pixel electrode.
Display base plate the most according to claim 1, it is characterised in that a plurality of described first wire and a plurality of described second is led
Line is arranged in a crossed manner；Wherein, the spacing of two adjacent described second wires is 100-2000 μm.
Display base plate the most according to claim 1, it is characterised in that described first groove and the width of described second groove
Degree is 3-20 μm.
11. display base plates according to claim 1, it is characterised in that described first groove and described second groove deep
Degree is 1-5 μm.
12. display base plates according to claim 1, it is characterised in that described first wire and the material of described second wire
Material all includes any one or more in silver, gold, copper, aluminum.
13. 1 kinds of display devices, it is characterised in that include the display base plate according to any one of claim 1-12.
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| CN201620720196.6U CN205789984U (en) | 2016-07-08 | 2016-07-08 | Display base plate and display device |
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|---|---|---|---|
| CN201620720196.6U CN205789984U (en) | 2016-07-08 | 2016-07-08 | Display base plate and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105957878A (en) * | 2016-07-08 | 2016-09-21 | 京东方科技集团股份有限公司 | Display base board, preparation method thereof, and display apparatus |
| CN107706218A (en) * | 2017-09-25 | 2018-02-16 | 深圳市华星光电半导体显示技术有限公司 | Organic electroluminescence display device and method of manufacturing same |
| JP2018205718A (en) * | 2017-05-31 | 2018-12-27 | エルジー ディスプレイ カンパニー リミテッド | Display device |
| CN109309170A (en) * | 2018-09-26 | 2019-02-05 | 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 |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105957878A (en) * | 2016-07-08 | 2016-09-21 | 京东方科技集团股份有限公司 | Display base board, preparation method thereof, and display apparatus |
| WO2018006661A1 (en) * | 2016-07-08 | 2018-01-11 | 京东方科技集团股份有限公司 | Display substrate and preparation method therefor, and display apparatus |
| US10950668B2 (en) | 2016-07-08 | 2021-03-16 | Boe Technology Group Co., Ltd. | Display substrate and manufacturing method thereof, and display apparatus |
| JP2018205718A (en) * | 2017-05-31 | 2018-12-27 | エルジー ディスプレイ カンパニー リミテッド | Display device |
| US10777620B2 (en) | 2017-05-31 | 2020-09-15 | Lg Display Co., Ltd. | Display device |
| US11301100B2 (en) | 2017-05-31 | 2022-04-12 | Lg Display Co., Ltd. | Display device |
| CN107706218A (en) * | 2017-09-25 | 2018-02-16 | 深圳市华星光电半导体显示技术有限公司 | Organic electroluminescence display device and method of manufacturing same |
| WO2019056511A1 (en) * | 2017-09-25 | 2019-03-28 | 深圳市华星光电半导体显示技术有限公司 | Organic electroluminescent display device |
| CN109309170A (en) * | 2018-09-26 | 2019-02-05 | 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 |
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