CN109407406A - Display module and display device - Google Patents
Display module and display device Download PDFInfo
- Publication number
- CN109407406A CN109407406A CN201811581741.8A CN201811581741A CN109407406A CN 109407406 A CN109407406 A CN 109407406A CN 201811581741 A CN201811581741 A CN 201811581741A CN 109407406 A CN109407406 A CN 109407406A
- Authority
- CN
- China
- Prior art keywords
- electrode
- micro
- substrate
- display module
- led
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- 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
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133612—Electrical details
Abstract
The invention discloses a kind of display module and display devices, the display module includes: the display panel and backlight assembly being oppositely arranged in a first direction, wherein in a first direction, there is gap, display surface of the first direction perpendicular to display panel between backlight assembly and display panel；Backlight assembly includes micro- LED array and the drive substrate positioned at micro- LED array far from display panel side, wherein, micro- LED array includes multiple micro- LED, drive substrate includes first electrode, gap is provided with second electrode far from the side of backlight assembly, and first electrode and second electrode form the pressure sensitive capacitor for detecting pressure in display module.Through the invention, the pressure sensitivity touch control detection in display device of the light source using micro- LED array, and at the same time the thickness of complete machine is thinned.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of display module and display device.
Background technique
Liquid crystal display die set includes display panel and backlight assembly, in display panel between pixel electrode and public electrode
Electric field can make liquid crystal molecule deflect, and the light that backlight assembly generates after liquid crystal molecule deflects can penetrate display surface
Plate, by adjusting the size of electric field, the degree that liquid crystal molecule can be made to deflect is different, and the journey that liquid crystal molecule deflects
When spending different, the light transmittance of display panel is different, and backlight assembly is different through the light quantity of liquid crystal display panel, is achieved in image
Display.
On the one hand, the position according to light source in backlight assembly is different, backlight assembly can be divided into edge type backlight assembly and
Direct type backlight assembly.In direct type backlight assembly, micro- LED array (including multiple mini-LED) formation is can be used in light source,
Since mini-LED high brightness, high contrast, low dark-state, high NTSC and color depth be wide etc., characteristics, direct type backlight assembly have
Boundless application prospect.
On the other hand, in order to increase the convenience and diversity that display device operates, display device in the prior art increases
Pressurization thoughts and feelings control (force touch) function, for liquid crystal display die set, it will usually attach pressure sensitivity touching at the back side of backlight assembly
Element is controlled, increases the thickness of complete machine in this way.
Therefore it provides a kind of display module and display device, realize pressure using the display device of micro- LED array for light source
Feel touch control detection, and the thickness of complete machine is thinned, is this field technical problem urgently to be solved.
Summary of the invention
In view of this, the present invention provides a kind of display module and display device, with the showing using micro- LED array in light source
Pressure sensitivity touch control detection in showing device, and at the same time the thickness of complete machine is thinned.
On the one hand, the present invention provides a kind of display modules.
The display module includes: the display panel and backlight assembly being oppositely arranged in a first direction, wherein in first party
Upwards, there is gap, display surface of the first direction perpendicular to display panel between backlight assembly and display panel；Backlight assembly packet
Include micro- LED array and the drive substrate positioned at micro- LED array far from display panel side, wherein micro- LED array includes multiple micro-
LED, drive substrate include first electrode, and gap is provided with second electrode, first electrode and second far from the side of backlight assembly
Electrode forms the pressure sensitive capacitor for detecting pressure in display module.
On the other hand, the present invention provides a kind of display devices.The display device include it is provided by the invention any one
Display module.
Compared with prior art, display module and display device provided by the invention at least realize following beneficial effect
Fruit:
Backlight assembly includes the drive substrate of micro- LED array and the micro- LED array of driving, in backlight assembly and display panel
Preset certain gap, meanwhile, a lateral electrode of the pressure sensitive capacitor for being used to detect pressure is set in the drive substrate,
Another lateral electrode is set to the other side in gap, by detecting the capacitance of the pressure sensitive capacitor, can be realized pressure detecting,
Also, two lateral electrodes of pressure sensitive capacitor are integrated in display module, compared to pressure sensitivity touch control component is individually attached, can be subtracted
The thickness of thin complete machine.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram for the display module that an embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Fig. 4 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Fig. 5 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Fig. 6 is the structural schematic diagram for the pressure sensitive electrode that an embodiment of the present invention provides；
Fig. 7 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Fig. 8 is the structural schematic diagram of the array substrate of display module provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of the display panel of display module provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Figure 11 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Figure 12 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Figure 13 is the structural schematic diagram for the display module that another embodiment of the invention provides；
Figure 14 is the schematic diagram of display device described in the embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the structural schematic diagram for the display module that an embodiment of the present invention provides, in one embodiment, such as Fig. 1
Shown, display module includes the display panel 01 and backlight assembly 02 being oppositely arranged on z in a first direction, wherein first direction z
Perpendicular to the display surface of display panel 01.
Display panel 01 can be liquid crystal display panel, or may be that other need backlight assembly 02 to provide light source
Display panel, the application are not limited thereto.When display panel 01 is liquid crystal display panel, display panel 01 is included in the
The array substrate and color membrane substrates being oppositely arranged on one direction, and the liquid crystal material being set between array substrate and color membrane substrates
The bed of material.
Array substrate (not shown) includes thin film transistor (TFT), public electrode, pixel electrode, scan line and data line,
Thin film transistor (TFT) includes grid, source level and drain electrode, wherein drain electrode is electrically connected with pixel electrode, and grid is connected with scan line, source
Grade is connected with data line, when scan line provides scanning drive signal to grid, between the source level and drain electrode of thin film transistor (TFT)
Conducting, at this point, if when data line provides data drive signal to source level, the data drive signal through source level to drain electrode, then to picture
Plain electrode, so that forming electric field between pixel electrode and public electrode, the liquid crystal molecule of liquid crystal material layer occurs in the electric field
Deflection, for the light that backlight assembly 02 is generated by display material layer, data drive signal is different, and liquid crystal molecule occurs
The degree of deflection is different, different by the luminous flux of display material layer.
Color membrane substrates (not shown) includes glass substrate, black matrix (Black Matrix, BM) and color blocking layer etc., black
Matrix is capable of forming shading region, and the open region that shading region surrounds forms transparent area, and color blocking layer covers transparent area.Backlight assembly 02 produces
After raw light is issued via liquid crystal material layer, color membrane substrates are irradiated to, a part is blocked by black matrix, and another part light exists
The light transmission zone position light color of display pixel hinders outgoing, is achieved in the process that display panel 01 shows image
Backlight assembly 02 includes micro- LED array 21 and the driving base positioned at micro- LED array 21 far from 01 side of display panel
Plate 22, wherein micro- LED array 21 includes multiple micro- LED211, by each micro- LED211 piece in the drive substrate 22 of the complete line of cloth
On, then using spraying or membrane pressure mode fixed fluorescent powder, each micro- LED211 is controlled by route in drive substrate 22,
Realize shining for backlight assembly 02.
In a first direction on z, there is gap d between backlight assembly 02 and display panel 01, drive substrate 22 is controlled in setting
While making micro- LED211 route (not shown), be additionally provided with first electrode P1, in gap d far from backlight assembly 02 one
Side is provided with second electrode P2, first electrode P1 and second electrode P2 and forms pressure sensitive for detecting pressure in display module
Capacitor.
Specifically, as shown in Figure 1, second electrode P2 can be located at side of the display panel 01 far from backlight assembly 02, example
As second electrode P2 is formed using the Thin film conductive film for being attached at 01 side of display panel；Fig. 2 is another embodiment of the invention
The structural schematic diagram of the display module of offer, as shown in Fig. 2, second electrode P2 can integrate in display panel 01, for liquid
For LCD panel, it can specifically be located at side of the array substrate far from color membrane substrates, or be integrated in array substrate, or
Person is located at array substrate close to color membrane substrates side, or side positioned at color membrane substrates far from array substrate etc.；Fig. 3 is this hair
The structural schematic diagram for the display module that another bright embodiment provides, as shown in figure 3, second electrode P2 can be located at display panel
01 close to the side of backlight module 01, such as second electrode P2 is using the Thin film conductive film shape for being attached at 01 side of display panel
At.
In addition, first electrode P1 or second electrode P2, can form using monolayer material, multilayer material shape can also be used
At material can use metal, conductive film or other conductive materials.
First electrode P1 or second electrode P2 can be multiplexed existing film layer in the prior art, alternatively, can also individually set
Set film layer.
The application is to the specific location of first electrode P1, second electrode P2, film layer structure, material and whether is multiplexed with it
He is not construed as limiting functional electrode.
First electrode and second electrode are set anyway, when display module is by the pressure pressed on z in a first direction,
The size of gap d changes, according to the basic principle of capacitor, C=ε S/d, wherein medium of the ε between the capacitor plate of two sides
Dielectric constant, S is two sides capacitor plate positive area, and d is the distance between two sides capacitor plate, and when gap, d changes
When, the pressure sensitive capacitor that first electrode P1 is formed with second electrode P2 changes, and specifically, the pressure of pressing is bigger, empty
Gap d is smaller, and pressure sensitive capacitor is bigger, passes through the big of the detection first electrode P1 and second electrode P2 pressure sensitive capacitor formed
It is small, the detection to pressure in display module can be realized.
The display module provided using the embodiment, backlight assembly include the drive of micro- LED array and the micro- LED array of driving
Dynamic substrate, in backlight assembly and the certain gap of display panel threshold value, meanwhile, it will be used to detect the pressure sensitive capacitor of pressure
One lateral electrode is set in the drive substrate, and another lateral electrode is set to the other side in gap, by detecting pressure sensitive electricity
The capacitance of appearance can be realized pressure detecting, also, two lateral electrodes of pressure sensitive capacitor is integrated in display module, phase
Than individually attaching pressure sensitivity touch control component, the thickness of complete machine can be thinned.
Fig. 4 is the structural schematic diagram for the display module that another embodiment of the invention provides, in one embodiment, micro-
The electrode of LED211 includes anode and cathode (not shown), as shown in figure 4, drive substrate 22 further includes micro- LED common electrical
Pole C1 and micro- LED driving electrodes D, wherein micro- LED public electrode C1 is electrically connected with the cathode of micro- LED211, public by micro- LED
Electrode C1 transmits common voltage (low-voltage) signal, the anode of micro- LED driving electrodes D and micro- LED211 to the cathode of micro- LED211
Electrical connection, by micro- LED driving electrodes D to anode transmission driving voltage (high voltage) signal of micro- LED211, so that micro-
Voltage difference is formed between LED211 positive electrode and negative electrode, so that micro- LED211 shines.Wherein, micro- LED public electrode C1 and micro- LED drives
Moving electrode D can be set in same conductive film layer, can also be located at different conductive film layers.Micro- LED driving electrodes D and micro- LED is public
Ti/Al/Cu/Ni/Ag/Mo/ITO etc. can be used in the contact that common electrode C1 is connect as drive substrate 22 with micro- LED211, material
The materials such as metal or conductive film.First electrode P1 is located at micro- side of the LED driving electrodes D far from display panel 01.
In the manufacturing process of backlight assembly 02, after the completion of drive substrate 22 is routed, then each micro- LED211 is set to
In drive substrate 22, at the same make the positive and negative anodes of micro- LED211 respectively with micro- LED driving electrodes D for being arranged in drive substrate 22 and micro-
LED public electrode C1 electrical connection.First electrode P1 is set to micro- side of the LED driving electrodes D far from display panel 01, relatively
First electrode P1 is set to micro- LED driving electrodes D close to the side of display panel 01, and it is micro- to can be avoided first electrode P1 influence
The anode connection of LED driving electrodes D and micro- LED211.
The display module provided using the embodiment, first electrode are set to micro- LED driving electrodes far from display panel
Side, micro- LED can be connected in micro- LED driving electrodes close to the side of display panel with micro- LED driving electrodes, in micro- LED
During being set to drive substrate, do not influenced by first electrode.
Fig. 5 is that the structural schematic diagram for the display module that another embodiment of the invention provides such as is schemed in one embodiment
Shown in 5, drive substrate 22 further includes the first basal layer 222 and the first driving transistor T1, wherein the first basal layer 222 can be adopted
With substrate of glass or PI (Polyimide) substrate, PI substrate can be applied to Flexible Displays mould group, and substrate of glass can be using vehicle-mounted aobvious
In the big screen display device such as showing device, TV.First driving transistor T1 is located at micro- LED driving electrodes D and the first basal layer 222
Between, the first driving transistor T1 includes the first source S 1, the first drain D 1 and first grid G1, first drain D 1 and micro- LED
Driving electrodes D electrical connection, the first source level S1 connect the data drive circuit of micro- LED array 21, and first grid G1 connection is LED gusts micro-
The scan drive circuit of column 21.Wherein, the film layer between each electrode layer is insulating layer, such as can be oxide or the nitridation of Si
The one or two layers of object stack, or organic film or passivation layer etc..
When the scan drive circuit of micro- LED array 21 provides scanning drive signal to first grid G1, the first driving is brilliant
It is connected between the first source S 1 and the first drain D 1 of body pipe T1, at this point, if data drive circuit provides number to the first source S 1
When according to driving signal, the data drive signal is through first the 1 to the first drain D of source S 1, then through micro- LED driving electrodes D to micro-
The anode of LED211 forms voltage difference between the positive and negative anodes of micro- LED211, so that micro- LED211 shines.It is arranged each micro-
LED211 is driven by individual one first driving transistor T1, can be realized micro- LED array 21 point control namely micro- LED
Each luminous point can individually control light emission luminance and lighting timings in array 21.It should be noted that the first of driving LED drives
The quantity of dynamic transistor can specifically be carried out without limiting using the first driving transistor and the one-to-one mode of micro- LED
Driving, or two or more micro- LED can also be driven simultaneously using one first driving transistor, then either two
A first driving, one LED of crystal optical drive, the application are not limited thereto.
In a kind of example, with continued reference to FIG. 5, the light that micro- LED211 is generated, has part and is reflected and/or reflected
Deng 22 side of directive drive substrate, as shown in figure 5, being additionally provided with reflecting layer in the drive substrate 22 that the embodiment provides
221, the light of micro- LED211 directive drive substrate 22 can be reflected back by display panel 01 by reflecting layer 221, thus promoted
The utilization rate of the light of backlight assembly 02.On this basis, reflecting layer 221 is made of conductive and reflecting material, such as instead
The metals such as the preferable silver of effect are penetrated, the function in reflecting layer 221 is realized using the reflection characteristic of material, utilizes the conductive characteristic of material
It realizes the function of first electrode P1, so that first electrode P1 and reflecting layer 221 can be multiplexed same film layer, display is further thinned
Mould group.
Further, in one embodiment, reflecting layer 221 is set to one of the first basal layer 222 far from micro- LED211
Side, that is, reflecting layer 221 is located at a side surface of the drive substrate 22 far from micro- LED211, reflecting layer 22 is not brilliant by the first driving
The membrane effect of body pipe T1 can flood setting, increase reflecting layer 221 reflecting effect.
Optionally, in one embodiment, pressure sensitive electrode is set by first electrode, be connected with pressure detection circuit
It connects, detects signal to pressure detection circuit output pressure, second electrode is set as pressure public electrode, receives fixed reference potential
Signal.Alternatively, in another embodiment, set pressure sensitive electrode for second electrode, be connected with pressure detection circuit,
Signal is detected to pressure detection circuit output pressure, first electrode is set as pressure public electrode, receives fixed reference potential letter
Number.
Optionally, in one embodiment, display module includes multiple pressure sensitive electrodes, multiple pressure sensitive electrode shapes
At electrod-array.Fig. 6 is the structural schematic diagram for the pressure sensitive electrode that an embodiment of the present invention provides, and shows first in Fig. 6
Electrode P1 is the pressure sensitive electrode in electrod-array, and second electrode P2 is pressure public electrode.Pass through multiple pressure sensitive electricity
Pole P1 forms electrod-array, the pressure being able to detect at each position of display module, simultaneously as press surface when usually pressing
Product is the finger pulp area of finger, and area is smaller, is detected by electrod-array, compared to the electrode of continuous flood, each pressure
Induction electrode is more suitable with pressing size, and the pressure sensed on pressure sensitive electrode is more concentrated, so as to increase pressure
The accuracy of power detection.
Optionally, pressure sensitive electrode setting is square, and pressure sensitive electrode side length is 1.5 millimeters.Setting gap d exists
Size on first direction z is 0.3 millimeter, on the one hand, enough gap d are arranged, guarantee that the size variation range of gap d can
Reflect pressure change, on the other hand, avoid excessive gap d is arranged and the thickness that increases display module.
Fig. 7 is the structural schematic diagram for the display module that another embodiment of the invention provides, when first electrode is set as pressing
Power induction electrode, second electrode are set as pressure public electrode, still optionally further, in one embodiment, as shown in Figure 7 and
Shown in Fig. 8, display panel 01 includes the first substrate 11 being oppositely arranged on z in a first direction and the second substrate 12, and is located at
Liquid crystal layer 13 between first substrate 11 and the second substrate 12, wherein in a first direction on z, first substrate 11 is located at the second base
Between plate 12 and backlight assembly 02.First substrate 11 includes the second basal layer 111, and second electrode P2 is located at the second basal layer 111
Side far from the second substrate 12.First electrode P1 is as pressure sensitive electrode and forms electrod-array, can be set in driving
Between the first driving transistor T1 and micro- LED driving electrodes D1 in substrate 22, the first drain D 1 of the first driving transistor T1
Connection via hole between micro- LED driving electrodes D1 may be disposed between the adjacent first electrode P1 of electrod-array.
Specifically, first substrate 11 is array substrate, and the second substrate 12 is color membrane substrates, and Fig. 8 is that the embodiment of the present invention mentions
The structural schematic diagram of the array substrate of the display module of confession, as shown in figure 8, array substrate 11 include second driving transistor T2,
Public electrode C2 and pixel electrode P is shown, wherein the second driving transistor T2 includes second grid G2, the second source level S2 and second
Drain D 2, wherein the second drain D 2 is electrically connected with pixel electrode P, and second grid G2 receives display scanning drive signal, the second source
Grade S2 receives display data drive signal, when second grid G2 receives display scanning drive signal, the second driving transistor
It is connected between the second source level S2 and the second drain D 2 of T2, at this point, if the second source level S2 receives display data drive signal,
The display data drive signal through the second source level S2 to the second drain D 2, then arrive pixel electrode P so that pixel electrode P and display
Electric field is formed between public electrode C2, the liquid crystal molecule of liquid crystal layer 13 deflects in the electric field, so that backlight assembly 02 produces
Raw light can be emitted by display panel 01.Fig. 9 is the knot of the display panel of display module provided in an embodiment of the present invention
Structure schematic diagram, as shown in figure 9, being multiplexed with touch control electrode after public electrode C2 block design, each public electrode block connects one
Touching signals line TP, in the display stage, touching signals line TP provides public voltage signal to public electrode block, in the touch-control stage,
The touch-control sensing signal of touching signals line TP reception public electrode block.
The display module provided using the embodiment, display panel is interior to be multiplexed with touch control electrode by public electrode, can subtract
Thin complete machine thickness, second electrode are set to the basal layer of the array substrate of display panel far from color membrane substrates side, second electrode
Setting the existing cabling of array substrate in display panel will not be impacted.Integrally consider from display module, based on public
After electrode is multiplexed with touch control electrode, the cabling of time-sharing multiplex and touching signals line will increase in array substrate public electrode
The complexity of line, second electrode are separately provided the complexity that can avoid further increasing cabling in array substrate, make display module
General frame is more reasonable.Meanwhile first electrode is set as pressure sensitive electrode, multiple first electrodes form array electrode, can mention
Rise the accuracy of pressure detecting.
Figure 10 is the structural schematic diagram for the display module that another embodiment of the invention provides, when second electrode is set as pressing
Power induction electrode, first electrode are set as pressure public electrode, still optionally further, in one embodiment, and as shown in Figure 10,
Display module further includes touch control electrode layer 03, and second electrode P2 is multiplexed touch control electrode layer 03.Wherein, touch control electrode layer 03 can paste
It invests on display panel 01.As illustrated in FIG. 10, it also can integrate in display panel 01.Touch control electrode layer 03 may include mutual
Touch-control sensing electrode strip or touch-driven electrode item in appearance formula touch control detection device, may include self-tolerant touch control detection device
In touch control electrode block
The display module provided using the embodiment, second electrode are set as pressure sensitive electrode, second electrode and touch-control
Electrode layer multiplexing, can not only further be thinned complete machine thickness, moreover, piecemeal or slitting based on touch control electrode layer itself are set
Meter when as pressure sensitive electrode, when forming the electrod-array of pressure detecting, saves electrode and cracks processing procedure, it is multiple to reduce technique
Polygamy.
Figure 11 is the structural schematic diagram for the display module that another embodiment of the invention provides, in one embodiment, such as
Shown in Figure 11, display panel 01 includes the first substrate 11 being oppositely arranged on z in a first direction and the second substrate 12, and is located at
Liquid crystal layer 13 between first substrate 11 and the second substrate 12, wherein in a first direction on z, first substrate 11 is located at the second base
Between plate 12 and backlight assembly 02.Specifically, first substrate 11 can be array substrate, and the second substrate 12 can be color film base
Plate is repeated no more reference can be made to Fig. 8 and associated description, at this about array substrate.First substrate 11 includes the second basal layer
111, second electrode P2 are multiplexed as pressure sensitive electrode with touch control electrode layer 03, can be located at the second basal layer 111 close to second
The side of substrate 12, specifically can any film layer adjacent with the second basal layer 111, or being set in first substrate 11.The
One electrode P1 is set in drive substrate 22 as pressure public electrode.
The display module provided using the embodiment, second electrode are set as pressure sensitive electrode, multiple with touch control electrode layer
With, and be integrated in display panel, complete machine thickness can further be thinned.Meanwhile driving base is set in conjunction with first electrode
Complete machine thickness is maximumlly thinned in structure in plate.
Figure 12 is the structural schematic diagram for the display module that another embodiment of the invention provides, in one embodiment, such as
Shown in Figure 12, display module further includes cover board 04, and cover board 04 is located at side of the display panel 01 far from backlight assembly 02, the second electricity
Pole P2 is located at cover board 04 close to the side of display panel 01.
The display module provided using the embodiment, second electrode are set as pressure sensitive electrode, multiple with touch control electrode layer
With touch control electrode layer is formed on cover board, is then bonded with display panel, can simplify the cabling in display panel.
Figure 13 is the structural schematic diagram for the display module that another embodiment of the invention provides, in one embodiment, such as
Shown in Figure 13, drive substrate 22 includes micro- LED public electrode C1 and micro- LED driving electrodes D, micro- LED public electrode C1 and micro- LED
Driving electrodes D is connected with the electrode of micro- LED respectively, and micro- LED public electrode C1 is multiplexed with first electrode P1, due to first electrode
P1 receives public voltage signal as pressure public electrode, and micro- LED public electrode C1 also receives public voltage signal, therefore,
After first electrode P1 and micro- LED public electrode C1 multiplexing, public voltage signal cabling can be reduced.It wherein, can be in drive substrate
22, close to a side surface of micro- LED 211, are arranged the connection pad being connected with the cathode of micro- LED 211, and connection pad passes through
Via hole is connect with micro- LED public electrode C1.
The display module provided using the embodiment, first electrode are multiple with micro- LED public electrode as pressure public electrode
With can reduce public voltage signal cabling, reduce the complexity of cabling in drive substrate.
The above are the embodiments of display module provided by the invention, and the present invention also provides a kind of display device, the displays
Device includes any one display module provided by the invention, has its technical characteristic and corresponding technical effect, herein no longer
It repeats.
Figure 14 is the schematic diagram of display device described in the embodiment of the present invention, in one embodiment, as shown in figure 14, should
Display device includes shell 200 and the display module 100 in shell 200, which can be above-mentioned any one
Kind display module.
Through the foregoing embodiment it is found that display module provided by the invention and display device, at least realizing following has
Beneficial effect:
Backlight assembly includes the drive substrate of micro- LED array and the micro- LED array of driving, in backlight assembly and display panel
The certain gap of threshold value, meanwhile, a lateral electrode of the pressure sensitive capacitor for being used to detect pressure is set in the drive substrate,
Another lateral electrode is set to the other side in gap, by detecting the capacitance of the pressure sensitive capacitor, can be realized pressure detecting,
Also, two lateral electrodes of pressure sensitive capacitor are integrated in display module, compared to pressure sensitivity touch control component is individually attached, can be subtracted
The thickness of thin complete machine.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (13)
1. a kind of display module, which is characterized in that
The display module includes: the display panel and backlight assembly being oppositely arranged in a first direction, wherein described first
On direction, there is gap, the first direction is perpendicular to the display panel between the backlight assembly and the display panel
Display surface；
The backlight assembly includes micro- LED array and the driving base positioned at micro- LED array far from the display panel side
Plate, wherein micro- LED array includes multiple micro- LED, and the drive substrate includes first electrode, and the gap is far from described
The side of backlight assembly is provided with second electrode, and the first electrode and the second electrode are formed for detecting the display mould
The pressure sensitive capacitor of pressure in group.
2. display module according to claim 1, which is characterized in that
The drive substrate further includes micro- LED public electrode and micro- LED driving electrodes, micro- LED public electrode and described micro-
LED driving electrodes are connected with the electrode of micro- LED respectively；
The first electrode is located at the micro- side of the LED driving electrodes far from the display panel.
3. display module according to claim 2, which is characterized in that the drive substrate further includes the first basal layer and drive
Dynamic transistor, wherein the driving transistor is between micro- LED driving electrodes and first basal layer, the drive
Dynamic transistor includes source electrode, drain and gate, and the drain electrode is electrically connected with micro- LED driving electrodes.
4. display module according to claim 1, which is characterized in that
The drive substrate further includes reflecting layer；
The first electrode is multiplexed the reflecting layer.
5. display module according to claim 1, which is characterized in that
The first electrode is pressure sensitive electrode, and the second electrode is pressure public electrode.
6. display module according to claim 5, which is characterized in that
The display panel includes the first substrate being oppositely arranged in said first direction and the second substrate, and is located at described
Liquid crystal layer between first substrate and the second substrate, wherein in said first direction, the first substrate is located at described
Between the second substrate and the backlight assembly；
The first substrate includes the second basal layer, and the second electrode is located at second basal layer far from the second substrate
Side.
7. display module according to claim 1, which is characterized in that
The first electrode is pressure public electrode, and the second electrode is pressure sensitive electrode.
8. display module according to claim 7, which is characterized in that
The display module includes touch control electrode layer；
The second electrode is multiplexed the touch control electrode layer.
9. display module according to claim 8, which is characterized in that
The display panel includes the first substrate being oppositely arranged in said first direction and the second substrate, and is located at described
Liquid crystal layer between first substrate and the second substrate, wherein in said first direction, the first substrate is located at described
Between the second substrate and the backlight assembly；
The first substrate includes the second basal layer, and the second electrode is located at second basal layer close to the second substrate
Side.
10. display module according to claim 8, which is characterized in that
The display module further includes cover board, and the cover board is located at side of the display panel far from the backlight assembly；
The second electrode is located at the cover board close to the side of the display panel.
11. display module according to claim 7, which is characterized in that
The drive substrate further includes micro- LED public electrode and micro- LED driving electrodes, micro- LED public electrode and described micro-
LED driving electrodes are connected with the electrode of micro- LED respectively；
Micro- LED public electrode is multiplexed with the first electrode.
12. the display module according to claim 5 or 7, which is characterized in that
The display module includes multiple pressure sensitive electrodes, and multiple pressure sensitive electrodes form electrod-array.
13. a kind of display device, which is characterized in that including display module described in any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581741.8A CN109407406A (en) | 2018-12-24 | 2018-12-24 | Display module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811581741.8A CN109407406A (en) | 2018-12-24 | 2018-12-24 | Display module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109407406A true CN109407406A (en) | 2019-03-01 |
Family
ID=65460746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811581741.8A Pending CN109407406A (en) | 2018-12-24 | 2018-12-24 | Display module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109407406A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110147179A (en) * | 2019-05-22 | 2019-08-20 | 京东方科技集团股份有限公司 | A kind of touch display substrate and preparation method thereof, touch control display apparatus |
| CN111653212A (en) * | 2020-06-10 | 2020-09-11 | 武汉华星光电技术有限公司 | Micro light-emitting diode display panel, manufacturing method thereof and display device |
| WO2021073284A1 (en) * | 2019-10-16 | 2021-04-22 | 福州大学 | Light-emitting display device based on special-shaped nano led crystal grains |
| CN112799548A (en) * | 2021-03-02 | 2021-05-14 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113629095A (en) * | 2021-07-19 | 2021-11-09 | 深圳市华星光电半导体显示技术有限公司 | Light emitting display device and method for manufacturing light emitting display device |
| WO2021223268A1 (en) * | 2020-05-06 | 2021-11-11 | Tcl华星光电技术有限公司 | Backlight module, display panel, and electronic apparatus |
| CN114489386A (en) * | 2022-02-21 | 2022-05-13 | 深圳市隆利科技股份有限公司 | Touch display screen based on direct type mini LED backlight module |
| CN115016173A (en) * | 2022-06-07 | 2022-09-06 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN115206201A (en) * | 2022-07-20 | 2022-10-18 | 厦门天马微电子有限公司 | Display panel, preparation method thereof and display device |
| US11587917B2 (en) | 2020-05-06 | 2023-02-21 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight module, display panel and electronic device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717682A (en) * | 2015-12-31 | 2016-06-29 | 厦门天马微电子有限公司 | Touch display device |
| CN106125974A (en) * | 2016-05-06 | 2016-11-16 | 友达光电股份有限公司 | Display integrated with touch sensing and pressure sensing |
| CN106155413A (en) * | 2016-06-30 | 2016-11-23 | 厦门天马微电子有限公司 | Touch control display apparatus and the driving method of touch control display apparatus |
| CN106201115A (en) * | 2016-09-18 | 2016-12-07 | 合肥京东方光电科技有限公司 | A kind of pressure touch device and display device |
| CN106990867A (en) * | 2017-04-05 | 2017-07-28 | 厦门天马微电子有限公司 | Pressure touch display device and its driving method |
| CN107037624A (en) * | 2015-12-11 | 2017-08-11 | 联咏科技股份有限公司 | Display with pressure sensor |
| CN108267891A (en) * | 2016-12-30 | 2018-07-10 | 乐金显示有限公司 | Liquid crystal display device |
| CN108664165A (en) * | 2018-05-08 | 2018-10-16 | 业成科技（成都）有限公司 | The electronic device of display panel and the application display panel |
-
2018
- 2018-12-24 CN CN201811581741.8A patent/CN109407406A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107037624A (en) * | 2015-12-11 | 2017-08-11 | 联咏科技股份有限公司 | Display with pressure sensor |
| CN105717682A (en) * | 2015-12-31 | 2016-06-29 | 厦门天马微电子有限公司 | Touch display device |
| CN106125974A (en) * | 2016-05-06 | 2016-11-16 | 友达光电股份有限公司 | Display integrated with touch sensing and pressure sensing |
| CN106155413A (en) * | 2016-06-30 | 2016-11-23 | 厦门天马微电子有限公司 | Touch control display apparatus and the driving method of touch control display apparatus |
| CN106201115A (en) * | 2016-09-18 | 2016-12-07 | 合肥京东方光电科技有限公司 | A kind of pressure touch device and display device |
| CN108267891A (en) * | 2016-12-30 | 2018-07-10 | 乐金显示有限公司 | Liquid crystal display device |
| CN106990867A (en) * | 2017-04-05 | 2017-07-28 | 厦门天马微电子有限公司 | Pressure touch display device and its driving method |
| CN108664165A (en) * | 2018-05-08 | 2018-10-16 | 业成科技（成都）有限公司 | The electronic device of display panel and the application display panel |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110147179A (en) * | 2019-05-22 | 2019-08-20 | 京东方科技集团股份有限公司 | A kind of touch display substrate and preparation method thereof, touch control display apparatus |
| WO2021073284A1 (en) * | 2019-10-16 | 2021-04-22 | 福州大学 | Light-emitting display device based on special-shaped nano led crystal grains |
| WO2021223268A1 (en) * | 2020-05-06 | 2021-11-11 | Tcl华星光电技术有限公司 | Backlight module, display panel, and electronic apparatus |
| US11587917B2 (en) | 2020-05-06 | 2023-02-21 | Tcl China Star Optoelectronics Technology Co., Ltd. | Backlight module, display panel and electronic device |
| CN111653212A (en) * | 2020-06-10 | 2020-09-11 | 武汉华星光电技术有限公司 | Micro light-emitting diode display panel, manufacturing method thereof and display device |
| CN111653212B (en) * | 2020-06-10 | 2021-09-24 | 武汉华星光电技术有限公司 | Micro light-emitting diode display panel, manufacturing method thereof and display device |
| CN112799548A (en) * | 2021-03-02 | 2021-05-14 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
| CN112799548B (en) * | 2021-03-02 | 2024-01-26 | 深圳市华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113629095A (en) * | 2021-07-19 | 2021-11-09 | 深圳市华星光电半导体显示技术有限公司 | Light emitting display device and method for manufacturing light emitting display device |
| CN114489386A (en) * | 2022-02-21 | 2022-05-13 | 深圳市隆利科技股份有限公司 | Touch display screen based on direct type mini LED backlight module |
| CN115016173A (en) * | 2022-06-07 | 2022-09-06 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN115016173B (en) * | 2022-06-07 | 2023-12-15 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN115206201A (en) * | 2022-07-20 | 2022-10-18 | 厦门天马微电子有限公司 | Display panel, preparation method thereof and display device |
| CN115206201B (en) * | 2022-07-20 | 2023-11-10 | 厦门天马微电子有限公司 | Display panel, preparation method thereof and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109407406A (en) | Display module and display device | |
| CN106354351B (en) | Touch base plate and production method, display device, fingerprint identification device and method | |
| CN106610749B (en) | Touch control display apparatus and its driving method | |
| US10324551B2 (en) | Touch-control display device | |
| US9229597B2 (en) | Integrated capacitive touch screen and LED layer | |
| CN100595656C (en) | Image display system with light pen | |
| JP5647202B2 (en) | Display device having touch recognition function | |
| CN106155413B (en) | The driving method of touch control display apparatus and touch control display apparatus | |
| CN106775129B (en) | A kind of touch-control display panel, display device | |
| CN109445160A (en) | Display module and display device | |
| CN106293192A (en) | Pressure-sensing input equipment | |
| CN107958193A (en) | Display module and electronic equipment | |
| CN109669575B (en) | Display panel, touch detection method thereof and display device | |
| EP2495639B1 (en) | Input device and display device equipped with same | |
| CN209460748U (en) | Display module and electronic equipment | |
| CN209327746U (en) | Display screen component and electronic equipment | |
| CN107958185A (en) | The biological information method for sensing of display module | |
| CN110045534A (en) | A kind of display panel and display device | |
| CN111752407A (en) | Light-emitting substrate, display module and display device | |
| CN105911736A (en) | Display device | |
| CN109256049A (en) | special-shaped display panel and display device | |
| CN108766984A (en) | Organic light emitting display panel and display device | |
| CN107946338A (en) | Display module and electronic equipment | |
| CN107153483A (en) | A kind of touch-control display module, display device and its driving method | |
| CN109947294A (en) | A kind of touch display panel and touch-control display module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |