CN109801903A - The preparation method of display device, display screen and display screen - Google Patents
The preparation method of display device, display screen and display screen Download PDFInfo
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Abstract
This application involves the preparation methods of a kind of display device, display screen and display screen, and wherein display screen includes the first display area and the second display area, and the light transmittance of the first display area is greater than the light transmittance of the second display area.The application passes through the first display area of setting and the second display area, and first display area light transmittance be greater than the second display area light transmittance, to realize that the first display area reaches the transparence display of high transparency, therefore, can the lower section of the first display area be arranged screen under photosensitive module, and the region is reached, image is shown with normal brightness, and do not influence the working effect of photosensitive module under the screen being arranged below, to realize all over the screen or full screen display.
Description
Technical field
This application involves field of display technology, more particularly to the preparation of a kind of display device, display screen and display screen
Method.
Background technique
With the rapid development of mobile electronic product industry, new product is kept updating, and market shows electronics to mobile
There are higher and higher hopes for product.For example, the products such as mobile phone are from there is frame to develop to the direction of narrow frame and Rimless.On and
Lower Rimless then directly affects the placement of front camera, sensor devices and product identification.Traditional mobile display electronics
Equipment is to realize that perhaps narrow frame can open up on a display screen groove body or mounting hole etc. to accommodate relevant device to Rimless,
Or directly relevant device is removed.Above scheme can not really realize screen display comprehensively.
Summary of the invention
Based on this, it is necessary in view of the above technical problems, provide a kind of display dress that can really realize screen display comprehensively
It sets, the preparation method of display screen and display screen.
A kind of display screen, including the first display area and the second display area, wherein the light transmittance of the first display area is big
Light transmittance in the second display area.
The first display area is micro- display area LED in one of the embodiments, and the second display area is that OLED is shown
Region.
Width of first display area on first direction accounts for display screen along first direction in one of the embodiments,
The 5%~100% of width.
In one of the embodiments, the first display area in a second direction on width account for display screen in a second direction on
The 2%~30% of width.
The second display area is disposed adjacent with the first display area in one of the embodiments,.
In one of the embodiments, further include driving circuit, the driving circuit for drive the first display area and
Second display area；Preferably, driving circuit further includes the first driving circuit and the second driving circuit, wherein the first driving electricity
Road is for driving the first display area, and the second driving circuit is for driving the second display area.
A kind of display device, including display screen as described above and the lower photosensitive module of screen, wherein shield lower photosensitive module and set
It is placed in the first display area and deviates from the one side of display surface, and the light to shine in across the first display area can be incuded.
Shielding lower photosensitive module in one of the embodiments, includes photoelectric sensor, camera, fingerprint sensor, distance
At least one of sensor and infrared light-emitting diode.
A kind of preparation method of display screen, comprising:
Prepared substrate；
Micro- LED component is set on the substrate, to form the first display area；
OLED device is formed in the corresponding region of the substrate, to form the second display area.
The baseplate material includes glass material, metal material or plastic material in one of the embodiments,.
The preparation method of above-mentioned display device, display screen and display screen, it is aobvious by the first display area of setting and second
Show region, and the light transmittance of the first display area is greater than the light transmittance of the second display area, to realize that the first display area reaches
The transparence display of high transparency, therefore, can in the case where screen is arranged in the lower section of the first display area photosensitive module, and make the region
It can reach and image is shown with normal brightness, and not influence the working effect of photosensitive module under the screen being arranged below, to realize
All over the screen or full screen display.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of display screen in one embodiment；
Fig. 2 is the structural schematic diagram of display screen in another embodiment；
Fig. 3 is the structural schematic diagram of display device in one embodiment；
Fig. 4 is the flow diagram of the preparation method of display screen in another embodiment；
Fig. 5 is the preparation process of display screen and screen body structural schematic diagram in one embodiment；
The schematic diagram of the section structure of display screen in the one embodiment of the position Fig. 6.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The application is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the application, not
For limiting the application.
Currently, since OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display screen has
Self-luminous, therefore backlight is not needed, and have the characteristics that contrast is high, image quality is uniform, visual angle is wide, reaction speed is fast, thus
It is widely used in mobile electronic product.But traditional groove body or mounting hole etc. are opened up in OLED display screen to accommodate
The photosensitive modules such as front camera, sensor devices, or directly can not really realize the scheme that photosensitive module removes comprehensively
Screen display.And if photosensitive module to be directly arranged in the lower section of OLED display screen, it can be due to the light transmittance of OLED display screen
It is lower, and influence the normal work of photosensitive module.
And micro- LED (Micro Light Emitting Diode, light emitting diode) display screen then light transmission with higher
Therefore rate if photosensitive module to be arranged in the lower section of micro- LED display, will not influence the normal work of photosensitive module.But
It is, since micro- LED manufacturing cost is higher, if directly selecting micro- LED as display screen, will lead to mobile electronic product
Selling at exorbitant prices, to be unfavorable for the stabilization in market.
Based on this, the application really realizes the display shielded comprehensively by way of combining OLED and micro- LED, and not shadow
Ring the normal work of photosensitive module.The embodiment of the invention provides a kind of display screens, as shown in Figure 1, the display screen 100 includes the
One display area 101 and the second display area 102, wherein the light transmittance with higher of the first display area 101, the second display
Region 102 has lower light transmittance.Specifically, the light transmittance of the first display area 101 is greater than the saturating of the second display area 102
Light rate.In the present embodiment, the first display area 101 and the second display area 102 collectively form the viewing area of display screen 100.
In one embodiment, due to the light transmittance with higher of the first display area 101, high transparency may be implemented
Transparence display, therefore, can in the case where screen is arranged in the lower section of the first display area 101 photosensitive module 301, and enable the region
Reach and image is shown with normal brightness, and does not influence the working effect of photosensitive module 301 under the screen being arranged below, it is full to realize
Screen or full screen display.
In one embodiment, the first display area 101 can be located at a side of display screen, such as can be located at
Any positions such as upper lateral part, following side, left side or the right side of display screen herein and are not limited thereof.To the
After lower photosensitive module 301 is shielded in the lower section setting of one display area 101, the whole display effect of display screen will not influence.
In one embodiment, width of first display area 101 on first direction accounts for display screen 100 along first direction
The 5%~100% of upper width, the first display area 101 in a second direction on width account for the upper width in a second direction of display screen 100
The 2%~30% of degree.
Specifically, assume that width of the display screen 100 on first direction is W, display screen 100 in a second direction on width
For L, width of first display area 101 on first direction is w1, the first display area 101 in a second direction on width be
L1, then the range of w1 is W* (5%~100%), and the range of l1 is L* (2%~30%).Specifically, w1 can for 5%*W,
20%*W, 50%*W, 80%*W or 100%*W, l1 can be 2%*L, 10%*L, 15%*L, 20%*L or 30%*L, preferably
Ground, w1 20%*W, and l1 be 15%*L when, alternatively, w1 be 50%*W, and l1 be 10%*L when, can guarantee light transmittance
Under the premise of, the lower photosensitive module of screen is more easily sensed and is shone in across the first display area 101
Light to not influence the normal work for shielding lower photosensitive module, and realizes screen display comprehensively.The first display area 101 is such simultaneously
Setting, it may not be necessary to which the first display area of excessive setting helps to reduce cost.
In other embodiments, 101 specific size of the first display area can mainly join determines according to actual conditions
Examine the size for shielding lower photosensitive module, it is preferable that not less than the size for shielding lower photosensitive module.In one embodiment, the first display
Region 101 can be micro- LED (Micro Light Emitting Diode, light emitting diode) display area, the second viewing area
Domain 102 can be OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) display area.Such as Fig. 2 institute
Show, specifically, can be by the way that micro- LED component 201 is arranged in the corresponding region of substrate 200, to form the first display area
101.And other regions on the substrate 200 being arranged after micro- LED component 201 form OLED device 202, to form the second display
Region 102.Can also by the corresponding region of substrate 200 formed OLED device 202, to form the second display area 102, and
Micro- LED component 201 is arranged in other regions on the substrate 200 being arranged after OLED device 202 again, to form the first viewing area
Domain 101, herein to the formation of the first display area 101 and the second display area 102 sequence and without limitation.
In the present embodiment, the material of substrate 200 may include glass material, metal material or plastic material, specifically may be used
To be selected according to the property requirements of display screen, e.g., when display screen is flexible display screen, then substrate 200 is preferably plastic cement
Material is shown such as polyimide-based polymer material with realizing that the flexibility of display screen is bent.When display screen is common display screen
When, then substrate 200 can choose any materials.
Specifically, micro- LED component 201 can be micro- LED display or micro- LED pixel array, if micro- LED pixel battle array
Column, can be by micro- LED pixel array by the way that in transfer and welding processing to oled substrate, OLED device 202 then can be OLED picture
Pixel array.
It in a specific embodiment, can be directly in the substrate 200 for being machined with OLED display driver circuit corresponding
One display area 101 pieces independent micro- LED display together, to form the first display area 101.Wherein, micro- LED display includes
Drive the first driving circuit of the display screen (i.e. the first display area 101).Then pass through vapor deposition, ink-jet on the substrate 200
The modes such as printing are processed on OLED display driver circuit (i.e. the second driving circuit) forms OLED pixel array, to form second
Display area 102.And by corresponding first driving circuit in the first display area 101 and the second display area 102 corresponding second
The rear end control system that driving circuit is shown with control information is connect, to realize the control integrally shown to display screen.
In the present embodiment, since micro- LED light emission luminance is high, ultralow aperture opening ratio can be used for showing, from
And the transparence display of high transparency may be implemented.Therefore, lower photosensitive module 301 will be shielded to be arranged in the region, may be implemented normal
Image shows and does not influence the working effect for shielding lower photosensitive module 301.
In a specific embodiment, can also be arranged on substrate 200 can drive 101 He of the first display area simultaneously
The driving circuit of one entirety of the second display area 102, and in first display area of the correspondence of substrate 200 101bonding
(binding) micro- LED pixel array, to form the first display area 101.Then pass through in the second display area 102 of substrate 200
The modes such as vapor deposition, inkjet printing form OLED pixel array, to form the second display area 102.To pass through unified display
Control system provides the data-signal that image is shown for the driving circuit of entire display screen, realizes that the image of entire display screen is aobvious
Show.
The embodiment of the invention also provides a kind of display devices, specifically, display device can be display, mobile phone, put down
The mobile electronic products such as plate computer or portable wearable device.
As shown in figure 3, the display device 300 may include display screen 100 and shield lower photosensitive module 301, in this implementation
In example, display screen 100 may include the first display area 101 and the second display area 102, wherein the first display area 101
Light transmittance is greater than the light transmittance of the second display area 102.
Specifically, the one side that the first display area 101 deviates from display surface is arranged in photosensitive module 301 under the screen, wherein showing
Show that face is the one side that display screen shows image, and away from the one side of display surface is then the opposite of display surface.Due to the first display
The light transmittance with higher of region 101, therefore, photosensitive module 301 can incude the first display across display screen 100 under the screen
Region 101 and the light to shine in realize preposition camera function, while realizing all over the screen or full screen display.
In one embodiment, photosensitive module 301 can be embedded in the first display area of display screen 101 away from display under the screen
0mm~4mm under the one side in face is corresponded to specifically, shielding lower photosensitive module 301 and can be directly attached to the first display area 101
Display screen on, to be contacted with display screen zero distance；The first viewing area of display screen can also be set to by shielding lower photosensitive module 301
Domain 101 is at 0.1mm, 1mm, 2mm, 3mm or 4mm under the one side of display surface.
Have the function of itself due to shielding lower photosensitive module 301, it, probably can shadow if the first display area of distance 101 is farther out
The effect of itself function is rung, if the first display area of distance 101 is relatively close, probably will affect the first normally display of display area 101.
It is therefore preferred that shield lower photosensitive module 301 can be set in the first display area of display screen 101 away from display surface one side it
At lower 0mm~1mm.To not influence the normal display of the first display area of display screen 101, and it will not influence the lower photosensitive module of screen
301 functional effect.
In one embodiment, shield lower photosensitive module 301 can using photoelectric sensor, camera, fingerprint sensor, away from
From at least one of sensor and infrared light-emitting diode.For example, for example, shielding lower photosensitive module 301 can be individually
Camera, be also possible to be integrated with the function element of camera and range sensor.For shielding lower camera, through screen body
After collecting environment light, produces and take pictures under the screen of corresponding bearing member, image realization front camera.It, can be saturating for range sensor
It crosses screen body and collects reflected light, determine that screen body or carrying shield the terminal of body at a distance from object.In the present embodiment, photosensitive mould under screen
The concrete function device of block 301 can be determined with actual functional capability according to display device, be defined in the application not to this.
It is illustrated below by way of shielding for lower photosensitive module 301 uses individual camera, since camera is working
When by imaging sensor acquire external image, if by camera be arranged under the lower OLED display screen of light transmittance, can
Camera is influenced to work normally, such as can not acquire image or acquisition image it is fuzzy, to lose the meaning of setting camera
Justice.Therefore, the present embodiment is by being arranged camera at higher first display area 101 of light transmittance, so that camera shooting
When head work clearly image can be collected through the first display area 101.
It, can be with it is understood that above-mentioned display device is in addition to display screen 100 and other than shielding lower photosensitive module 301
Including other function elements, such as shield lower loudspeaker, microphone etc..Company between the specific structure and device of these function elements
Connecing relationship can be using structure known in those skilled in the art, and details are not described herein.
Specific limit about display screen 100 in display device may refer to Fig. 1, Fig. 2 and restriction above, herein
It repeats no more.
The embodiment of the invention also provides a kind of preparation methods of display screen, as shown in figure 4, including the following steps:
Step S401, prepared substrate 200.
In the present embodiment, substrate 200 can be oled substrate, can specifically use glass material, metal material or modeling
Any one of glue material is made.
Step S402 forms the first display area 101 on substrate 200.
In the present embodiment, by the way that micro- LED component is arranged in the corresponding region of substrate 200, to form the first display area
101.Wherein, micro- LED component 201 can be micro- LED display or micro- LED pixel array.
Step S403 forms the second display area 102 on substrate.
It, then can be in other areas on the substrate being arranged after micro- LED component after forming the first display area 101 on substrate
Domain forms OLED device 202, to form the second display area 102.Wherein, OLED device 202 can be OLED pixel array.
In the present embodiment, the first display area 101 is formed by using the higher micro- LED component 201 of light transmittance, thus
The transparence display of high transparency may be implemented, therefore, can the lower section of the first display area 101 be arranged screen under photosensitive module
301, and the region is reached, image is shown with normal brightness, and do not influence photosensitive module under the screen being arranged below
301 working effect, to realize all over the screen or full screen display.
It in one embodiment, can also be by forming OLED device 202 in the corresponding region of substrate 200, to form the
Two display areas 102, and micro- LED component 201 is set again on the substrate 200 being arranged after OLED device 202, to form first
Display area 101.For the genesis sequence of the first display area 101 and the second display area 102, in the present embodiment not its
It is defined.
It should be understood that although each step in the flow chart of Fig. 4 is successively shown according to the instruction of arrow, this
A little steps are not that the inevitable sequence according to arrow instruction successively executes.Unless expressly state otherwise herein, these steps
It executes there is no the limitation of stringent sequence, these steps can execute in other order.Moreover, at least part in Fig. 4
Step may include that perhaps these sub-steps of multiple stages or stage are executed in synchronization to multiple sub-steps
It completes, but can execute at different times, the execution sequence in these sub-steps or stage, which is also not necessarily, successively to be carried out,
But it can be executed in turn or alternately at least part of the sub-step or stage of other steps or other steps.
Since the process compatible of current micro- LED and OLED is there are certain difficulty, in the present embodiment, such as Fig. 5 institute
Show, it is preferable that splice after can processing micro- LED display 510 and OLED display screen 520 respectively.I.e. directly in substrate
200 corresponding region difference bonding (binding) OLED display screen 520 and micro- LED display 510, to form the first viewing area
Domain 101 and the second display area 102.Wherein, micro- LED display 510 include micro- LED screen body (i.e. the first display area 101) and
The first driving circuit of the screen body is driven, OLED display screen 520 then includes OLED screen body (i.e. the second display area 102) and drives
Second driving circuit of the screen body.
In one embodiment, as shown in fig. 6, OLED display driver circuit (TFT backplate) directly can also be machined with
The corresponding micro- LED pixel array of first display area 101bonding (binding) of substrate 200 (LED70 in such as Fig. 6, passes through
LED solder joint 71 is bound), to form the first display area 101.Then pass through steaming in the second display area 102 of substrate 200
The modes such as plating, inkjet printing form OLED pixel array (OLED structure in such as Fig. 6), to form the second display area 102.From
And the data-signal that image is shown is provided for the driving circuit of entire display screen by unified display control program, it realizes entire
The image of display screen is shown.
Wherein, as shown in fig. 6, being machined with the substrate 200 of OLED display driver circuit (TFT backplate) on cross-section structure,
Pixel circuit including flexible substrate 30 and in flexible substrate 30.OLED structure is then provided on pixel circuit, specifically,
OLED belongs to carrier Dual Implantations type luminescent device, under the driving of external voltage, by the electrons and holes of electrode injection organic
Molecule that is compound and giving off energy and transfer energy to organic luminescent substance, excites it in material, jumps from ground state
Excitation state is adjourned, is radiated when excited molecule returns to ground state from excitation state and generates luminescence phenomenon.
Specifically, OLED structure includes lighting electrode and light emitting structure layer, lighting electrode then includes directly being electrically connected with TFT
First electrode, and the second electrode corresponding with first electrode.For pushing up luminous OLED structure, first electrode is anode
50, second electrode is cathode 60.In the present embodiment only by taking the luminous OLED structure in top shown in fig. 6 as an example, to 200 structure of substrate
It is illustrated, but it is not limited to this.
Sequence from cathode to anode, light emitting structure layer successively include electron injecting layer, electron transfer layer, hole barrier
Layer, luminescent layer 11, electronic barrier layer, hole transmission layer, hole injection layer, wherein electron injecting layer, electron transfer layer, hole
Barrier layer, electronic barrier layer, hole transmission layer, hole injection layer are referred to as common layer 12.
Pixel circuit is used to provide driving current for corresponding lighting electrode, specifically, pixel circuit includes film
Transistor 31 (Thin-film transistor, TFT), capacitor (not shown) and corresponding conducting wire (are not shown in figure
Out).
Specifically, pixel circuit controls the luminous intensity of the light emitting structure of each sub-pixel area, and thin film transistor (TFT) 31
It is the Important Components in pixel circuit.As shown in fig. 6, thin film transistor (TFT) 31 includes semiconductor layer 42, gate insulating layer 46, grid
Electrode 43, interlayer insulating film 47, source electrode 44, drain electrode 45 and planarization layer 41, anode 50 are set on planarization layer 41.
Pixel confining layer 20 is additionally provided on anode 50, pixel confining layer 20 is equipped with the opening of corresponding each sub-pixel, for limiting
The region of sub-pixel, the sub-pixel of different colours corresponding emitting layer material vapor deposition are formed different in corresponding opening
The sub-pixel of color.
Semiconductor layer 42 includes channel region and source region and drain region doped with dopant, and gate insulating layer 46, which is covered on, partly leads
On body layer 42, generally, gate insulating layer 46 can cover the whole surface of flexible substrate 30, and the setting of gate electrode 43 is exhausted in grid
In edge layer 46, gate electrode 43 is covered by interlayer insulating film 47, removes a part of gate insulating layer 46 and interlayer insulating film 47,
Contact hole is formed after removal with the presumptive area of exposed semiconductor layer 42, source electrode 44 and drain electrode 45 are via contact holes contact
Semiconductor layer 42.
Specifically, thin film transistor (TFT) can also include protective layer (not shown), and protective layer covers flexible substrate 30
Whole or Part portions, planarization layer 41 are formed on protective layer, through-hole are formed in protective layer and planarization layer 41, with exposure
The source electrode 44 and drain electrode 45 of TFT.Wherein, substrate 30 can select low stress organic material to realize, specifically can be using poly-
The materials such as acid imide, organosilicon polymer.
In the present embodiment, since micro- LED light emission luminance is high, ultralow aperture opening ratio can be used for showing, from
And the transparence display of high transparency may be implemented.Therefore, lower photosensitive module 301 will be shielded to be arranged in the region, may be implemented normal
Image shows and does not influence the working effect for shielding lower photosensitive module 301.Each technical characteristic of above embodiments can carry out arbitrarily
Combination, for simplicity of description, it is not all possible to each technical characteristic in above-described embodiment combination be all described, so
And as long as there is no contradiction in the combination of these technical features, it all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of display screen, which is characterized in that including the first display area and the second display area, first display area
Light transmittance is greater than the light transmittance of second display area.
2. display screen according to claim 1, which is characterized in that first display area is micro- display area LED, institute
Stating the second display area is the display area OLED.
3. display screen according to claim 1, which is characterized in that width of first display area on first direction
Account for the display screen along first direction width 5%~100%.
4. display screen according to claim 1, which is characterized in that first display area in a second direction on width
It accounts for the display screen and goes up the 2%~30% of width in a second direction.
5. display screen according to claim 2, which is characterized in that second display area and first display area
It is disposed adjacent.
6. described in any item display screens according to claim 1~5, which is characterized in that it further include driving circuit, the driving electricity
Road is for driving first display area and the second display area；Preferably, the driving circuit further includes the first driving electricity
Road and the second driving circuit, first driving circuit for driving first display area, use by second driving circuit
In driving second display area.
7. a kind of display device, which is characterized in that including display screen as described in any one of claims 1 to 6 and shield lower light
Quick module, photosensitive module is set to first display area and deviates from the one side of display surface under the screen, and can incude across institute
The light stating the first display area and shining in.
8. display device according to claim 7, which is characterized in that under the screen photosensitive module include photoelectric sensor,
At least one of camera, fingerprint sensor, range sensor and infrared light-emitting diode.
9. a kind of preparation method of display screen as described in any one of claims 1 to 6 characterized by comprising
Prepared substrate；
Micro- LED component is set on the substrate, to form the first display area；
OLED device is formed in the corresponding region of the substrate, to form the second display area.
10. the preparation method of display screen according to claim 9, which is characterized in that the baseplate material includes glass material
Material, metal material or plastic material.
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| CN201910103831.4A CN109801903A (en) | 2019-02-01 | 2019-02-01 | The preparation method of display device, display screen and display screen |
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| CN201910103831.4A CN109801903A (en) | 2019-02-01 | 2019-02-01 | The preparation method of display device, display screen and display screen |
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