CN109656059A - A kind of array substrate, display device and its driving method - Google Patents
A kind of array substrate, display device and its driving method Download PDFInfo
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- CN109656059A CN109656059A CN201910140780.2A CN201910140780A CN109656059A CN 109656059 A CN109656059 A CN 109656059A CN 201910140780 A CN201910140780 A CN 201910140780A CN 109656059 A CN109656059 A CN 109656059A
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- 239000000758 substrate Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 182
- 239000002346 layers by function Substances 0.000 claims abstract description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims description 27
- 239000010408 film Substances 0.000 claims description 21
- 239000010409 thin film Substances 0.000 claims description 20
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 9
- 239000011241 protective layer Substances 0.000 description 9
- 230000005611 electricity Effects 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004070 electrodeposition Methods 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1218—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition or structure of the substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/15—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission
- H01L27/153—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars
- H01L27/156—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components having potential barriers, specially adapted for light emission in a repetitive configuration, e.g. LED bars two-dimensional arrays
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Geometry (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
This application discloses a kind of array substrate, display device and its driving methods, to improve the light extraction efficiency of display product.A kind of array substrate provided by the embodiments of the present application, the viewing area of the array substrate include: reflecting layer, and multiple sub-pixels and multiple electroluminescent light sources on the reflecting layer;The electroluminescent light source is located at the gap location of the sub-pixel, comprising: first electrode, the inorganic light-emitting functional layer connecting with the first electrode, the transparent electrode connecting on the inorganic light-emitting functional layer and with the inorganic light-emitting functional layer.
Description
Technical field
This application involves field of display technology more particularly to a kind of array substrates, display device and its driving method.
Background technique
Liquid crystal display device (Liquid Crystal Display, LCD) have many advantages, such as low in energy consumption, display effect it is good and
It is widely used.Since liquid crystal itself does not shine, liquid crystal display device also needs light source to show image, according to adopting
With the difference of light source type, liquid crystal display device can be divided into transmission liquid crystal display device, reflective LCD device and half
Transmission semi-reflection liquid crystal display device.Wherein, transflective liquid crystal device has both transmission liquid crystal display device and reflection type liquid
The advantages of crystal device.In the prior art, since reflecting layer and backlight are opaque, realize semi-transparent semi-reflecting method be by
The pixel of display device is divided into two, and the half of pixel realizes transmission, the other half realizes reflection.Specifically, as shown in Figure 1, 2,
Display device includes first substrate 1, the second substrate 2, tin indium oxide (ITO) electrode 3 and reflecting layer 4, in Fig. 1, light transmission position
In pixel edge, opaque area is located among pixel, and in Fig. 2, opaque area is located at pixel edge, and transparent area is located in pixel
Between, transparent area can not be reflected in a reflective mode enabling, can not be transmitted without transparent area in transmission mode, i.e., either thoroughly
Emission mode or reflective-mode can not make entire pixel carry out transmission or reflection.To sum up, existing semi-transparent semi-reflecting display dress
Set-up mode is set, transmissivity and reflectivity are low.
Summary of the invention
The embodiment of the present application provides a kind of array substrate, display device and its driving method, to improve display product
Light extraction efficiency.
A kind of array substrate provided by the embodiments of the present application, the viewing area of the array substrate include: reflecting layer, Yi Jiwei
Multiple sub-pixels and multiple electroluminescent light sources on the reflecting layer;The electroluminescent light source is located at the sub-pixel
Gap location, comprising: first electrode, the inorganic light-emitting functional layer being connect with the first electrode, be located at the inorganic light-emitting function
The transparent electrode being connect on ergosphere and with the inorganic light-emitting functional layer.
Array substrate provided by the embodiments of the present application, sub-pixel and electroluminescent light source are arranged on reflecting layer, i.e., instead
Penetrate a layer flood setting.Array substrate provided by the embodiments of the present application is applied to liquid crystal display product, compared with the prior art partly
Transmission semi-reflection shows product, and in a reflective mode enabling, the reflecting layer that flood is arranged in array substrate is as echo area, compared to existing
Technology Transflective shows that product, echo area area increase, and so as to improve reflection efficiency, and then improves under reflective-mode
Light extraction efficiency.Since electroluminescent light source is arranged on reflecting layer, when electroluminescent light source work, electroluminescent light source
The light of generation is largely directly emitted to human eye direction, and small part light can be incident on people by the reflection in reflecting layer again
Eye direction, Transflective shows product compared with the prior art, and the light extraction efficiency and light source when light source working can be improved
Utilization rate.Also, product is shown without additional setting backlight, so as to which the thickness of display product is thinned.By the application reality
The array substrate for applying example offer is applied to liquid crystal display product, since array substrate includes electroluminescent light source, compared to reflection
Formula liquid crystal display product increases the display pattern of display product, and the contrast of display product can be improved, and promotes user's body
It tests.
Optionally, the electroluminescent light source is strip;The electroluminescent light source is between adjacent two column sub-pixel
Region, or the region between adjacent rows sub-pixel.
Optionally, further includes: the grid line to connect one to one with each row sub-pixel connects one to one with each column sub-pixel
Data line;Region of the electroluminescent light source between the grid line and not connected row sub-pixel, alternatively, the electricity
Region of the electroluminescent light-sources between the data line and not connected column sub-pixel.
Electroluminescent light source is located at the region between grid line Gate and not connected row sub-pixel, alternatively, electroluminescent light
Source is located at the region between data line Source and not connected column sub-pixel, and light source is arranged in array substrate so as to realize
While simplify wiring difficulty, and the space utilization rate of array substrate can be improved.
Optionally, the sub-pixel includes: the pixel electrode and public electrode positioned at different film layers;The pixel electrode position
When upper layer, the first electrode and the public electrode same layer are arranged, and the transparent electrode is set with the pixel electrode same layer
It sets, alternatively, the first electrode and the pixel electrode same layer are arranged, the transparent electricity when public electrode is located at upper layer
Pole and the public electrode same layer are arranged.
Optionally, the sub-pixel includes: each film layer of thin film transistor (TFT), and pixel electrode and public affairs positioned at different film layers
Common electrode;The first electrode and the source electrode and drain electrode same layer of the thin film transistor (TFT) are arranged;The transparent electrode and the picture
Plain electrode same layer setting, alternatively, the transparent electrode and the public electrode same layer are arranged.
Optionally, the sub-pixel includes: each film layer of thin film transistor (TFT), and pixel electrode and public affairs positioned at different film layers
Common electrode;The first electrode and the grid same layer of the thin film transistor (TFT) are arranged;The transparent electrode and the pixel electrode
Same layer setting, alternatively, the transparent electrode and the public electrode same layer are arranged.
Optionally, the inorganic light-emitting functional layer includes: insulating layer, the semiconductor layer on the insulating layer;Institute
It states first electrode to connect with the insulating layer, the transparent electrode is connect with the semiconductor layer.
Optionally, the array substrate further include: underlay substrate and buffer layer;The reflecting layer is located at the substrate
On substrate, the buffer layer is between the reflecting layer and the sub-pixel.
A kind of display device provided by the embodiments of the present application, the display device include: on provided by the embodiments of the present application
Array substrate is stated, the first substrate being oppositely arranged with the array substrate, and it is located at the array substrate and first base
Liquid crystal layer between plate.
Display device i.e. provided by the embodiments of the present application be liquid crystal display device, and the liquid crystal display device no setting is required back
Light source can realize being thinned for display device, promote user experience while improving display device light extraction efficiency.
A kind of driving method according to display device provided by the embodiments of the present application, which comprises
Determine the display pattern of the display device, the display mould includes first mode and second mode;
When the display device display pattern be first mode, control the electroluminescent light source shine;
When the display device display pattern be second mode, control the electroluminescent light source and do not shine.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the drawings in the following description are only some examples of the present application, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of schematic diagram for liquid crystal display device that the prior art provides;
Fig. 2 is the schematic diagram for another liquid crystal display device that the prior art provides;
Fig. 3 is a kind of structural schematic diagram of array substrate provided by the embodiments of the present application;
Fig. 4 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Fig. 5 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Fig. 6 is the schematic diagram of the signal input port of IC provided by the embodiments of the present application;
Fig. 7 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Fig. 8 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Fig. 9 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Figure 10 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Figure 11 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Figure 12 is the structural schematic diagram of another array substrate provided by the embodiments of the present application;
Figure 13 is the structural schematic diagram of another array substrate provided by the embodiments of the present application.
Specific embodiment
The embodiment of the present application provides a kind of array substrate, as shown in figure 3, the viewing area of the array substrate includes: anti-
Layer 4 is penetrated, and multiple sub-pixels 5 and multiple electroluminescent light sources 6 on the reflecting layer 4;The electroluminescent light
Source 6 is located at the gap location 7 of the sub-pixel 5, comprising: first electrode 8, the inorganic light-emitting function connecting with the first electrode 8
Layer 9, the transparent electrode 10 being connect on the inorganic light-emitting functional layer 9 and with the inorganic light-emitting functional layer 9.
Array substrate provided by the embodiments of the present application, sub-pixel and electroluminescent light source are arranged on reflecting layer, i.e., instead
Penetrate a layer flood setting.Array substrate provided by the embodiments of the present application is applied to liquid crystal display product, compared with the prior art partly
Transmission semi-reflection shows product, and in a reflective mode enabling, the reflecting layer that flood is arranged in array substrate is as echo area, compared to existing
Technology Transflective shows that product, echo area area increase, and so as to improve reflection efficiency, and then improves under reflective-mode
Light extraction efficiency.Since electroluminescent light source is arranged on reflecting layer, when electroluminescent light source work, electroluminescent light source
The light of generation is largely directly emitted to human eye direction, and small part light can be incident on people by the reflection in reflecting layer again
Eye direction, Transflective shows product compared with the prior art, and the light extraction efficiency and light source when light source working can be improved
Utilization rate.Also, product is shown without additional setting backlight, so as to which the thickness of display product is thinned.By the application reality
The array substrate for applying example offer is applied to liquid crystal display product, since array substrate includes electroluminescent light source, compared to reflection
Formula liquid crystal display product increases the display pattern of display product, and the contrast of display product can be improved, and promotes user's body
It tests.
Optionally, as shown in Figure 4,5, the embodiment of the present application is provided in array substrate, and the electroluminescent light source 6 is item
Shape;As shown in figure 4, region of the electroluminescent light source 6 between adjacent two column sub-pixel, or as shown in figure 5, the electricity
Region of the electroluminescent light-sources 6 between adjacent rows sub-pixel.
Optionally, array substrate as shown in Figure 4,5 provided by the embodiments of the present application, further includes: with each row sub-pixel 5 one
The one grid line Gate being correspondingly connected with, the data line Source to connect one to one with each column sub-pixel;As shown in figure 4, the electricity
Region of the electroluminescent light-sources 6 between the grid line Gate and not connected row sub-pixel 5, alternatively, as shown in figure 5, described
Region of the electroluminescent light source 6 between the data line Source and not connected column sub-pixel.
Electroluminescent light source is located at the region between grid line Gate and not connected row sub-pixel, alternatively, electroluminescent light
Source is located at the region between data line Source and not connected column sub-pixel, and light source is arranged in array substrate so as to realize
While simplify wiring difficulty, and the space utilization rate of array substrate can be improved.
Optionally, electroluminescent light source passes through contact conductor and drive integrated circult (IC).Electroluminescent light source is located at number
When according to region between line Source and not connected column sub-pixel, optionally, electroluminescent light source connect same with data line
IC.As shown in fig. 6, IC has multiple signal input ports 24 (pad) connecting with lead, signal is defeated in the region 25 above IC
Inbound port 24 provides signal for electroluminescent light source, and signal input port 24 provides letter for Source in the region 26 below IC
Number.Electroluminescent light source is located at the region between grid line Gate and not connected row sub-pixel, if grid line and gate driving circuit
(GOA) it connects, then the IC of driving electroluminescent light source, if grid line is connect with IC, electroluminescent light source and grid can be separately provided
Line connects same IC.
Optionally, the sub-pixel includes: the pixel electrode and public electrode positioned at different film layers;The pixel electrode position
When upper layer, the first electrode and the public electrode same layer are arranged, and the transparent electrode is set with the pixel electrode same layer
It sets, alternatively, the first electrode and the pixel electrode same layer are arranged, the transparent electricity when public electrode is located at upper layer
Pole and the public electrode same layer are arranged.
Array substrate provided by the embodiments of the present application, first electrode and public electrode same layer are arranged, transparent electrode and pixel
The setting of electrode same layer, alternatively, first electrode and pixel electrode same layer are arranged, transparent electrode and public electrode same layer are arranged, thus
It may be implemented to simplify wiring difficulty while light source is arranged in array substrate, the technique that can also simplify array substrate preparation is difficult
Degree.
When the pixel electrode is located at upper layer, as shown in figure 3, sub-pixel includes: pixel electrode 21, public electrode 22 is thin
Grid 15, gate insulation layer 16, active layer 17, drain electrode 18, source electrode 19 and the protective layer 20 of film transistor;Public electrode 22 with
And the first electrode 8 of electroluminescent light source 6 is located on gate insulation layer 16, pixel electrode 21 is transparent with electroluminescent light source 6
Electrode 10 is located on protective layer 20.In the specific implementation, first electrode 8 and 22 same layer of public electrode can be arranged, it is transparent
Electrode 10 and 21 same layer of pixel electrode are arranged.
When the public electrode is located at upper layer, as shown in fig. 7, sub-pixel includes: pixel electrode 21, public electrode 22 is thin
Grid 15, gate insulation layer 16, active layer 17, drain electrode 18, source electrode 19 and the protective layer 20 of film transistor, 21 He of pixel electrode
There is insulating film layer 23 between public electrode 22;The first electrode 8 of pixel electrode 21 and electroluminescent light source 6 is located at protective layer
On 20, the transparent electrode 10 of public electrode 22 and electroluminescent light source 6 is located on insulating film layer 23.In the specific implementation,
First electrode 8 and 21 same layer of pixel electrode can be arranged, transparent electrode 10 and 22 same layer of public electrode are arranged.
It should be noted that pixel electrode and public electrode generally use transparent material, such as ITO, when first electrode with
The setting of public electrode same layer, transparent electrode and pixel electrode same layer are arranged or first electrode is arranged with pixel electrode same layer, thoroughly
When prescribed electrode and public electrode same layer are arranged, i.e. the first electrode of electroluminescent light source is also transparent electrode.
Optionally, array substrate provided by the embodiments of the present application, the electroluminescent light source are transparent electro luminescent light source.
I.e. first electrode is transparent electrode, and inorganic light-emitting functional layer is transparent inorganic light emitting functional layer.
In this way, that is, reflecting layer flood is arranged electroluminescent since sub-pixel and electroluminescent light source are arranged on reflecting layer
Below illuminating source, in a reflective mode enabling, electroluminescent light source when not working at pellucidity, will not stop incident ray and
Reflection light, reflecting layer can be reflected into the whole light for injecting display product, so as to realize the emission mode that is all-trans.
Even if in a reflective mode enabling, injecting display even if entering it should be noted that electroluminescent light source is not transparent light source
The light of product reflexes to electroluminescent light source region by reflecting layer, since the reflecting layer that flood is arranged in array substrate is as anti-
Area is penetrated, light can still reflex to reflecting layer and be emitted again, and Transflective shows product compared with the prior art, compared to existing
There is technology Transflective to show that product, echo area area still increase, so as to improve reflection efficiency, and then improves reflection
Light extraction efficiency under mode.
Optionally, the sub-pixel includes: each film layer of thin film transistor (TFT), and pixel electrode and public affairs positioned at different film layers
Common electrode;The first electrode and the source electrode and drain electrode same layer of the thin film transistor (TFT) are arranged;The transparent electrode and the picture
Plain electrode same layer setting, alternatively, the transparent electrode and the public electrode same layer are arranged.
Array substrate provided by the embodiments of the present application, the first electrode and the source electrode and drain electrode of the thin film transistor (TFT) are same
Layer setting, the transparent electrode and the pixel electrode same layer are arranged, alternatively, the transparent electrode and the public electrode same layer
Setting simplifies wiring difficulty so as to realize while light source is arranged in array substrate, can also simplify array substrate preparation
Technology difficulty.
When the pixel electrode is located at upper layer, for array substrate as shown in Figure 3 provided by the embodiments of the present application, may be used also
With by first electrode 8 and source electrode 19 and drain electrode 18 same layers setting, transparent electrode 10 and 21 same layer of pixel electrode are arranged.
When the public electrode is located at upper layer, as shown in figure 8, sub-pixel includes: grid 15, the gate insulation of thin film transistor (TFT)
Layer 16, active layer 17, drain electrode 18, source electrode 19 and protective layer 20, pixel electrode 21, insulating film layer 23, public electrode 22;Electricity
The first electrode 8 of electroluminescent light-sources 6 is located on gate insulation layer 16, the transparent electrode of pixel electrode 21 and electroluminescent light source 6
10 are located on protective layer 20.In the specific implementation, first electrode 8 and source electrode 19 and 18 same layers of drain electrode can be arranged, it is transparent
Electrode 10 and 21 same layer of pixel electrode are arranged.It is of course also possible to be as shown in figure 9, by first electrode 8 and source electrode 19 and drain electrode 18
Same layer setting, transparent electrode 10 and 22 same layer of public electrode are arranged.
Certainly, in the case where not considering to increase technology difficulty, first electrode and transparent electrode in Fig. 3,7,8 can also be with
It is configured using additional technique process.
Optionally, the sub-pixel includes: each film layer of thin film transistor (TFT), and pixel electrode and public affairs positioned at different film layers
Common electrode;The first electrode and the grid same layer of the thin film transistor (TFT) are arranged;The transparent electrode and the pixel electrode
Same layer setting, alternatively, the transparent electrode and the public electrode same layer are arranged.
It further include buffer layer 14 between reflecting layer 4 and sub-pixel as shown in Figure 10 when the pixel electrode is located at upper layer,
Sub-pixel includes: pixel electrode 21, public electrode 22, the grid 15 of thin film transistor (TFT), gate insulation layer 16, active layer 17, drain electrode
18, source electrode 19 and protective layer 20;First electrode 8 is located on buffer layer 14, public electrode 22 and electroluminescent light source 6
Transparent electrode 10 be located on gate insulation layer 16.When it is implemented, can be by the grid of first electrode 8 and the thin film transistor (TFT)
The setting of 15 same layer of pole;The transparent electrode and the pixel electrode same layer are arranged.It is of course also possible to be as shown in figure 11 first
Electrode 8 is located on buffer layer 14, and transparent electrode 10 and pixel electrode 21 are located on protective layer 20, first electrode 8 with it is described
15 same layer of grid of thin film transistor (TFT) is arranged, and transparent electrode and pixel electrode same layer are arranged.
It further include buffer layer 14 between reflecting layer 4 and sub-pixel as shown in figure 12 when the public electrode is located at upper layer,
Sub-pixel includes: pixel electrode 21, public electrode 22, the grid 15 of thin film transistor (TFT), gate insulation layer 16, active layer 17, drain electrode
18, source electrode 19 and protective layer 20;First electrode 8 is located on buffer layer 14, public electrode 22 and electroluminescent light source 6
Transparent electrode 10 be located on gate insulation layer 16.When it is implemented, can be by the grid of first electrode 8 and the thin film transistor (TFT)
The setting of 15 same layer of pole;The transparent electrode 10 is arranged with 21 same layer of pixel electrode.It is of course also possible to be as shown in figure 13,
First electrode 8 and 15 same layer of grid of the thin film transistor (TFT) are arranged, and transparent electrode 10 and 22 same layer of public electrode are arranged.
Certainly, in the case where not considering to increase technology difficulty, first electrode and transparent electrode in Figure 10~13 can also
To be configured using additional technique process.
It should be noted that the array substrate provided by the embodiments of the present application as shown in Fig. 3,7-13, can be edge in Fig. 4
The sectional view of AA ' is also possible to the sectional view in Fig. 5 along BB '.
Optionally, the array substrate provided by the embodiments of the present application as shown in Fig. 3,7-13, the inorganic light-emitting functional layer 9
It include: insulating layer 11, the semiconductor layer 12 on the insulating layer 11;The first electrode 8 connects with the insulating layer 11
It connects, the transparent electrode 10 is connect with the semiconductor layer 12.
Optionally, the material of the conductor layer is silica (SiO2), the material of the insulating layer is selenizing molybdenum (MoSe2)。
Optionally, inorganic light-emitting functional layer contacts but no overlap with first electrode layer.It is provided by the embodiments of the present application such as to scheme
3, array substrate shown in 7-13, inorganic light emitting layers 9 and first electrode layer 8 are located at same film layer, can simplify cloth in this way
Line difficulty and array substrate preparation process difficulty.
Optionally, the array substrate provided by the embodiments of the present application as shown in Fig. 3,7-13, the array substrate further include:
Underlay substrate 13 and buffer layer 14;The reflecting layer 4 is located on the underlay substrate 13, and the buffer layer 14 is located at institute
It states between reflecting layer 4 and the sub-pixel.
Optionally, the electroluminescent light source and the sub-pixel correspond.
It is equivalent to each sub-pixel in this way and is both provided with light source, uniformly light-emitting may be implemented.
A kind of display device provided by the embodiments of the present application, the display device include: on provided by the embodiments of the present application
Array substrate is stated, the first substrate being oppositely arranged with the array substrate, and it is located at the array substrate and first base
Liquid crystal layer between plate.
Display device i.e. provided by the embodiments of the present application be liquid crystal display device, and the liquid crystal display device no setting is required back
Light source can realize being thinned for display device, promote user experience while improving display device light extraction efficiency.
A kind of driving method according to display device provided by the embodiments of the present application, which comprises
Determine the display pattern of the display device, the display mould includes first mode and second mode;
When the display device display pattern be first mode, control the electroluminescent light source shine;
When the display device display pattern be second mode, control the electroluminescent light source and do not shine.
As display light source, the light that electroluminescent light source generates is most of directly to be gone out electroluminescent light source under first mode
It is mapped to human eye direction, small part light is incident on human eye direction by reflecting layer reflection again, so as to improve light source working
The utilization rate of light source under mode;Under second mode, electroluminescent light source does not work, and the reflecting layer of flood setting is aobvious to entering to inject
The light of showing device is reflected.If electroluminescent light source is transparent electro luminescent light source, electroluminescent light source is not working
When at pellucidity, incident ray and reflection light will not be stopped, reflecting layer can be reflected into the whole light for injecting display device
Line, so as to realize the emission mode that is all-trans.
Optionally, control the electroluminescent light source shine specifically include: for the electroluminescent light source provide exchange letter
Number.Reversal constantly switches in electroluminescent light source in this way, positive and negative charge in inorganic light-emitting functional layer constantly generate and
Accumulation finally generates light in inorganic light-emitting functional layer.Specifically, if first electrode and public electrode same layer are arranged, it can be right
First electrode applies public voltage signal, applies ac voltage signal to transparent electrode.
In conclusion array substrate provided by the embodiments of the present application, display device and its driving method, the embodiment of the present application
The array substrate of offer, sub-pixel and electroluminescent light source are arranged on reflecting layer, i.e., reflecting layer flood is arranged.By the application
The array substrate that embodiment provides is applied to liquid crystal display product, and Transflective shows product compared with the prior art, anti-
Under emission mode, as echo area, Transflective display compared with the prior art is produced in the reflecting layer that flood is arranged in array substrate
Product, echo area area increase, and so as to improve reflection efficiency, and then improve the light extraction efficiency under reflective-mode.Due to electroluminescent
Illuminating source is arranged on reflecting layer, and when electroluminescent light source work, the light that electroluminescent light source generates is largely straight
It picks out and is mapped to human eye direction, small part light can be incident on human eye direction by the reflection in reflecting layer again, compared to existing
Technology Transflective shows product, light extraction efficiency and light source utilization rate when can be improved light source working.Also, display produces
Product are without additional setting backlight, so as to which the thickness of display product is thinned.By array substrate provided by the embodiments of the present application
Applied to liquid crystal display product, since array substrate includes electroluminescent light source, compared to Reflective liquid crystal displays product, increase
The display pattern of display product, can be improved the contrast of display product, promote user experience.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application
Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies
Within, then the application is also intended to include these modifications and variations.
Claims (10)
1. a kind of array substrate, which is characterized in that the viewing area of the array substrate includes: reflecting layer, and is located at described anti-
Penetrate the multiple sub-pixels and multiple electroluminescent light sources on layer;The electroluminescent light source is located at the gap of the sub-pixel
Place, comprising: first electrode, inorganic light-emitting functional layer connect with the first electrode, positioned at the inorganic light-emitting functional layer it
Transparent electrode that is upper and being connect with the inorganic light-emitting functional layer.
2. array substrate according to claim 1, which is characterized in that the electroluminescent light source is strip;It is described electroluminescent
Region of the illuminating source between adjacent two column sub-pixel, or the region between adjacent rows sub-pixel.
3. array substrate according to claim 2, which is characterized in that further include: it connects one to one with each row sub-pixel
Grid line, the data line to connect one to one with each column sub-pixel;The electroluminescent light source is located at the grid line and is not connected with
Row sub-pixel between region, alternatively, the electroluminescent light source be located at the data line and not connected column sub-pixel it
Between region.
4. array substrate according to claim 1, which is characterized in that the sub-pixel includes: the picture positioned at different film layers
Plain electrode and public electrode;When the pixel electrode is located at upper layer, the first electrode and the public electrode same layer are arranged, institute
It states transparent electrode and the pixel electrode same layer is arranged, alternatively, when the public electrode is located at upper layer, the first electrode and institute
The setting of pixel electrode same layer is stated, the transparent electrode and the public electrode same layer are arranged.
5. array substrate according to claim 1, which is characterized in that the sub-pixel includes: each film layer of thin film transistor (TFT),
And pixel electrode and public electrode positioned at different film layers;The source electrode and drain electrode of the first electrode and the thin film transistor (TFT)
Same layer setting;The transparent electrode and the pixel electrode same layer are arranged, alternatively, the transparent electrode and the public electrode are same
Layer setting.
6. array substrate according to claim 1, which is characterized in that the sub-pixel includes: each film layer of thin film transistor (TFT),
And pixel electrode and public electrode positioned at different film layers;The first electrode and the grid same layer of the thin film transistor (TFT) are set
It sets;The transparent electrode and the pixel electrode same layer are arranged, alternatively, the transparent electrode is set with the public electrode same layer
It sets.
7. array substrate according to claim 1, which is characterized in that the inorganic light-emitting functional layer includes: insulating layer, position
Semiconductor layer on the insulating layer;The first electrode is connect with the insulating layer, the transparent electrode and described half
Conductor layer connection.
8. array substrate according to claim 1, which is characterized in that the array substrate further include: underlay substrate, and
Buffer layer;The reflecting layer is located on the underlay substrate, the buffer layer be located at the reflecting layer and the sub-pixel it
Between.
9. a kind of display device, which is characterized in that the display device includes: array base according to any one of claims 1 to 8
Plate, the first substrate being oppositely arranged with the array substrate, and between the array substrate and the first substrate
Liquid crystal layer.
10. a kind of driving method of display device according to claim 9, which is characterized in that the described method includes:
Determine the display pattern of the display device, the display mould includes first mode and second mode;
When the display device display pattern be first mode, control the electroluminescent light source shine;
When the display device display pattern be second mode, control the electroluminescent light source and do not shine.
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