CN108986678A - A kind of display panel and preparation method thereof, display device - Google Patents
A kind of display panel and preparation method thereof, display device Download PDFInfo
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- CN108986678A CN108986678A CN201811049839.9A CN201811049839A CN108986678A CN 108986678 A CN108986678 A CN 108986678A CN 201811049839 A CN201811049839 A CN 201811049839A CN 108986678 A CN108986678 A CN 108986678A
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- 239000000758 substrate Substances 0.000 claims abstract description 122
- 238000004519 manufacturing process Methods 0.000 claims description 22
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- 230000035807 sensation Effects 0.000 claims description 4
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- 230000000717 retained effect Effects 0.000 abstract description 2
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- 238000000034 method Methods 0.000 description 4
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- 229910002601 GaN Inorganic materials 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 229920001621 AMOLED Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002042 Silver nanowire Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000005530 etching Methods 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Abstract
The application, which discloses, provides a kind of display panel and preparation method thereof, display device, display panel includes viewing area, viewing area includes the first viewing area and the second viewing area, and the first viewing area is multiplexed with sensor trough, and the first viewing area includes luminous zone and transparent area；Display panel includes first substrate and the second substrate；In the first viewing area, the first driving circuit and multiple Micro LED are provided on first substrate；First driving circuit is for driving Micro LED to shine.Namely display panel provided by the invention forms luminous zone using Micro LED in the position (sensor trough) of subsequent setting sensor, for showing, so that cause setting sensor also can normally be shown without the region of display, comprehensive screen that viewing area is all towards user side truly is unable to get to solve the problem of the display devices such as mobile phone in the prior art or plate towards part non-display area is also retained in the region of user side.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and preparation method thereof and display devices.
Background technique
Screen is that the display devices such as mobile phone, plate industry determines one that superelevation screen accounting designs than broad comprehensively
Justice.It is entirely screen from the front that literal upper explanation is exactly display device, four bezel locations of mobile phone are all using boundless
Frame design, pursues the screen accounting close to 100%.
But due to being limited to current technology, comprehensive screen mobile phone that industry is declared temporarily is the mobile phone of superelevation screen accounting,
The mobile phone of mobile phone front screen accounting 100% can not be accomplished.Described comprehensive screen mobile phone refers to that true screen accounting is (non-in the industry now
Official's publicity) it can achieve 80% or more, possess the mobile phone of ultra-narrow frame design.
Namely so-called comprehensive screen structure is not the front namely court of truly mobile phone or plate in the prior art
It is all comprehensive screen structure of viewing area to user side, but also remains with part non-display area in front, forms such as " fringe
The types screen such as screen " or " beauty's point screen ".
Summary of the invention
In view of this, the present invention provides a kind of display panel and preparation method thereof, display device, to solve in the prior art
The display devices such as mobile phone or plate are unable to get truly towards part non-display area is also retained in the region of user side
The problem of comprehensive screen of viewing area is all towards user side.
To achieve the above object, the invention provides the following technical scheme:
A kind of display panel, the display panel include viewing area, and the viewing area includes that the first viewing area and second are aobvious
Show area, first viewing area is multiplexed with sensor trough, and first viewing area includes luminous zone and transparent area；
The display panel includes:
The first substrate and the second substrate being oppositely arranged；
Wherein, in first viewing area, the surface of the first substrate towards the second substrate is provided with the first drive
Dynamic circuit and multiple Micro LED, the Micro LED are located at the luminous zone, and first driving circuit is more for driving
A Micro LED shines；
In second viewing area, the surface of the second substrate towards the first substrate is provided with the second driving circuit
With multiple organic light-emitting units, second driving circuit is for driving multiple organic light-emitting units to shine.
The present invention also provides a kind of display device, including display panel, the display panel is display surface recited above
Plate；
Sensor, the sensor are located at the sensor trough, and to be located at the second substrate remote for the sensor
From the first substrate side.
The present invention also provides a kind of display panel production methods, are used to form display panel recited above, display panel
Production method includes:
First substrate is provided, the first substrate includes the first viewing area and the second viewing area, the first viewing area packet
Include luminous zone and transparent area；First viewing area on one surface of the first substrate is provided with the first driving circuit and multiple
Micro LED, the Micro LED are located at the luminous zone, and first driving circuit is for driving multiple Micro
LED shines；
The second substrate is provided, the second substrate includes first viewing area and second viewing area, and described second
Second viewing area on one surface of substrate is provided with the second driving circuit and multiple organic light-emitting units, the second driving electricity
Road is for driving multiple organic light-emitting units to shine；
The surface of the Micro LED is arranged in the first substrate and the second substrate is provided with the organic light emission
The surface of unit is bonded, wherein the first viewing area pair on the first viewing area and the second substrate on the first substrate
It should be arranged, the second viewing area on the first substrate is correspondingly arranged with the second viewing area in the second substrate.
It can be seen via above technical scheme that display panel provided by the invention includes viewing area, viewing area includes first
Viewing area and the second viewing area, the first viewing area is multiplexed with sensor trough, and the first viewing area includes luminous zone and light transmission
Area；Display panel includes first substrate and the second substrate；In the first viewing area, be provided on first substrate the first driving circuit and
Multiple Micro LED；First driving circuit is for driving Micro LED to shine.Namely display panel provided by the invention is rear
The position (sensor trough) of continuous setting sensor forms luminous zone using Micro LED, for showing, so that before
Because setting sensor also can normally be shown without the region of display, simultaneously because the first viewing area includes transparent area, so that subsequent
The sensors such as camera sensing device or the photosensitive sensors at the display panel back side are set and are able to carry out daylighting, to normally make
With.Therefore, display panel provided by the invention enables to setting in " fringe screen " in the prior art or " beauty's point screen " to pass
The not display area of sensor also carries out picture and shows, so that the display panel towards user side can show picture, obtains complete
Face structure.
The present invention also provides a kind of production methods of display panel, and it is hardened to form display surface recited above for production
Structure obtains shielding display panel comprehensively.
The present invention also provides a kind of display device, the display device includes display panel recited above and sensing
Device, sensor are located at the sensor trough of display panel, and away from the side of display side.Since sensor is pre- on display panel
Area is stayed to can be used for showing, therefore, the display surface of the display device towards user side can be displayed in full screen, to obtain
Comprehensive screen display device.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1-Fig. 3 is the front view of the different display devices provided in the prior art；
Fig. 4 is a kind of display panel structure schematic diagram provided in an embodiment of the present invention；
Fig. 5 is the overlooking structure diagram of the first viewing area provided in an embodiment of the present invention；
Fig. 6 is a kind of vertical structure Micro LED structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is a kind of Micro LED structure schematic diagram of same lateral electrode provided in an embodiment of the present invention；
Fig. 8 is another display panel front view provided in an embodiment of the present invention；
Fig. 9 is another display panel front view provided in an embodiment of the present invention；
Figure 10 is another display panel front view provided in an embodiment of the present invention；
Figure 11 is another display panel front view provided in an embodiment of the present invention；
Figure 12 is another display panel structure schematic diagram provided in an embodiment of the present invention,
Figure 13 is another display panel structure schematic diagram provided in an embodiment of the present invention；
Figure 14 is another display panel structure schematic diagram provided in an embodiment of the present invention；
Figure 15 is a kind of display device the schematic diagram of the section structure provided in an embodiment of the present invention；
Figure 16 is a kind of display panel production method flow chart provided in an embodiment of the present invention.
Specific embodiment
Just as described in the background section, so-called comprehensive screen structure is not truly comprehensive in the prior art
Shield structure, i.e., in display device towards the panel of user side be not be completely used for display picture, also remain with the non-of small area
Viewing area.
Inventor is the reason of above-mentioned phenomenon occurs in discovery, with increasing for display device functionalities, in display device usually
Including the sensors such as preposition camera module or photosensitive sensors；Since these sensors need to acquire display device external environment
Light, therefore the corresponding region of sensor is not used to show on display panel, in the prior art usually integrates all the sensors
Together, it is placed on the specific region of display panel, to reduce the corresponding region of sensor on display panel, so that viewing area
Area increases.It as shown in Figure 1, Figure 2 and Figure 3, is the front view of the different display devices provided in the prior art；Display device is logical
It often include viewing area AA and non-display area BB, sensor is arranged at non-display area BB, in order to improve display area, is such as schemed
Shown in 1, all the sensors are moved to the lower frame of display device, or as shown in Fig. 2, sensor is arranged in display device
Upper side frame；Integrated also by by sensor height, concentrate on a certain region in top of display screen, be commonly called as " fringe screen " or
" beauty's point screen ".
But high integration is carried out anyway, reduces the region that sensor occupies, improves screen accounting, the front of display device
Always the sensor region for being not used to display is remained, can not accomplish really display comprehensively.
Based on this, the present invention provides a kind of display panel, comprising:
Viewing area, the viewing area include the first viewing area and the second viewing area, and first viewing area is multiplexed with sensing
Device trough, and first viewing area includes luminous zone and transparent area；
The display panel includes:
The first substrate and the second substrate being oppositely arranged；
Wherein, in first viewing area, the surface of the first substrate towards the second substrate is provided with the first drive
Dynamic circuit and multiple Micro LED, the Micro LED are located at the luminous zone, and first driving circuit is more for driving
A Micro LED shines；
In second viewing area, the surface of the second substrate towards the first substrate is provided with the second driving circuit
With multiple organic light-emitting units, second driving circuit is for driving multiple organic light-emitting units to shine.
Display panel provided by the invention uses Micro in the position (sensor trough) of subsequent setting sensor
LED formed luminous zone, for showing so that cause setting sensor also can normally be shown without the region of display, together
When since the first viewing area includes transparent area so that the subsequent camera sensing device that the display panel back side is arranged in or light sensation sensing
The sensors such as device are able to carry out daylighting, thus normal use.Therefore, display panel provided by the invention enables to the prior art
In " fringe screen " or " beauty's point screen " in not display area of setting sensor also carry out picture and show so that towards user side
Display panel can show picture, obtain shielding structure comprehensively.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Refer to Fig. 4, Fig. 4 is a kind of display panel provided in an embodiment of the present invention, including viewing area, and viewing area includes the
One viewing area B and the second viewing area A, the first viewing area B are multiplexed with sensor trough, and the first viewing area B includes luminous zone
And transparent area；
Display panel includes:
The first substrate 1 and the second substrate 2 being oppositely arranged；
Wherein, in the first viewing area B, the surface of first substrate 1 towards the second substrate 2 is provided with the first driving circuit (figure
In be not shown) and multiple Micro LED11, Micro LED11 be located at luminous zone, the first driving circuit is multiple for driving
Micro LED11 shines；
In the second viewing area A, the surface of the second substrate 2 towards first substrate 1 is provided with the second driving circuit (in figure not
Show) and multiple organic light-emitting units 21, the second driving circuit is for driving multiple organic light-emitting units luminous 21.
Whether it should be noted that display panel includes viewing area in the present embodiment, but not limiting further includes other regions.
It in one embodiment of the invention, can not include other regions.In another embodiment of the present invention, display panel is also
It may include around the rim area of viewing area, rim area is used to draw the cabling of sub-pixel in viewing area, and is connected to chip
Bind area.It is not limited this in the present embodiment.
Second viewing area A be on display panel in the prior art for showing the identical viewing area in the region of picture,
Second viewing area A may include multi-strip scanning line and multiple data lines, and multi-strip scanning line and multiple data lines transposition insulator are arranged,
The multiple sub-pixel is limited, an organic light-emitting units 21, the scan line and the number are formed in each sub-pixel
It is mutually perpendicular to according to line.
It should be noted that the mode that is particularly shown of the second viewing area is not limited in the present embodiment, described in the present embodiment
Organic light-emitting units are chosen as OLED.The driving method of OLED in the second substrate 2 is not limited in the present embodiment, in the second substrate 2
The driving method of OLED can be passive drive, is also possible to active matrix driving, does not limit this in the present embodiment.When OLED is
It further include having multiple thin film transistor (TFT)s when active matrix driving, in the second substrate 2, the pixel circuit and a son that thin film transistor (TFT) is constituted
OLED in pixel is correspondingly arranged, and the drain electrode of thin film transistor (TFT) or source electrode connect an electrode of the OLED.
It is subsequent also that first viewing area B is multiplexed with sensor trough namely the corresponding display panel back side the first viewing area B
It needs that sensor is arranged.First is set by region corresponding with subsequent setting sensor on display panel in the embodiment of the present invention
Viewing area.It should be noted that referring to Fig. 5, Fig. 5 is that the plan structure of the first viewing area provided in an embodiment of the present invention is illustrated
Figure, the first viewing area B includes luminous zone B10 and transparent area B20, and wherein luminous zone is provided with multiple Micro LED (Micro
Light Emitting Diode, micro- light emitting diode), at least one Micro LED namely first is set in each sub-pixel
Viewing area includes multiple pixel regions, and each pixel region includes the luminous region Micro LED namely luminous zone B10, in one kind
Embodiment kind, the first viewing area can also include cabling area, and cabling area can be Chong Die with luminous zone B10, and/or, cabling
Area can be Chong Die with transparent area B20, and/or, cabling area can be not be overlapped with luminous zone B10, transparent area B20, when cabling area
When Chong Die with transparent area B20, the material for forming cabling can be transparent conductive material.
It should be noted that the Micro LED and traditional LED is maximum the difference is that size, although much
The LED of size could be referred to as Micro LED, not have unified standard for the development of current technology.With China in the present embodiment
For the definition of the brilliant electricity in Taiwan, general LED grain is Mini LED (the referred to as Micro between 200 μm~300 microns μm
LED predecessor) about 50 μm~60 μm, and Micro LED is then at 15 μm hereinafter, therefore, in one embodiment of the invention,
The Micro LED is LED of the crystallite dimension less than 15 μm.Since crystallite dimension is smaller, so that Micro LED becomes completely newly
Display technology mainstream.The display characteristic and dimensional characteristic of Micro LED are utilized in the present embodiment, it is reserved to be produced on sensor
Area, so that sensor trough is also able to carry out display.
The specific structure of Micro LED is not limited in the present embodiment, Micro LED can be same lateral electrode in the present embodiment
The Micro LED of structure is also possible to the Micro LED of vertical structure, refers to Fig. 6, and Fig. 6 is provided in an embodiment of the present invention
A kind of vertical structure Micro LED structure schematic diagram.The vertical structure Micro LED includes LED semiconductor structure 51 and position
In the first electrode 52 and second electrode 53 of 51 opposite sides of LED semiconductor structure；Wherein, LED semiconductor structure 51 includes layer
The first type semiconductor layer, active layer and the second type semiconductor layer of setting are folded, does not limit Micro LED structure in the present embodiment
Therefore specific material and structure do not do specific limit to the material of the first type semiconductor layer, active layer and the second type semiconductor layer
It is fixed, it can be the materials such as gallium nitride or GaAs, different materials selected according to the luminescent color difference of different Micro LED
Matter does not repeat them here this in the present embodiment.
In other embodiments of the invention, Micro LED can also be the LED of same side electrode structure.With lateral electrode knot
The Micro LED of structure equally includes the first type semiconductor layer being stacked, active layer and the second type semiconductor layer and first
Electrode and second electrode；Unlike vertical structure Micro LED, in lateral electrode Micro LED structure, first electrode and
Second electrode is located at the same side of LED semiconductor structure, and Fig. 7 is a kind of Micro of same lateral electrode provided in an embodiment of the present invention
LED structure schematic diagram；Micro LED structure includes LED semiconductor structure 61, and is located at 61 the same side of LED semiconductor structure
First electrode 62 and second electrode 63；It, can be with it should be noted that in the manufacturing process of first electrode 62 and second electrode 63
As shown in fig. 7, first electrode 62 is located at the surface that the first type semiconductor layer 613 deviates from active layer 612, then the first type is partly led
Body layer 613, active layer 612 perform etching, and expose the second type semiconductor layer of part 611, then in the second type semiconductor layer 611
Second electrode 63 is made towards the surface of active layer 612, ultimately forms same lateral electrode LED structure.
The concrete type of first electrode is not limited in the present embodiment, first electrode can be N electrode namely cathode, corresponding
Ground, second electrode are P electrode namely anode；In addition, first electrode is also possible to P electrode, i.e. anode, accordingly, second electrode
For N electrode namely cathode.
It should be noted that due in OLED display panel, a usual organic light emission luminous in order to drive OLED to carry out
It include multiple thin film transistor (TFT)s in the corresponding pixel circuit of unit, the pixel circuit for such as including compensation circuit part can be 7T1C
Circuit includes the circuit of 7 thin film transistor (TFT)s and 1 capacitor.Since thin film transistor (TFT) is impermeable photo structure, camera shooting
The lower section of organic light-emitting units can not be arranged in first-class sensor.
And the Micro LED provided in the present embodiment, it is right since the corresponding Micro LED size of each sub-pixel is smaller
Resistance requirement is smaller, and the cathode and anode of Micro LED can use opaque metal material, can also be led using transparent
Dielectric formation, moreover, even if the anode or cathode of Micro LED is formed using opaque metal material, due to multiple
The anode or cathode of Micro LED is not flood structure, be can be set to individually, therefore, between multiple Micro LED
It gap can be with light transmission, so that preposition camera module or photosensitive sensors etc. need to receive the basic of the sensor of extraneous light
Function retains.
The first viewing area B is shown using Micro LED in the embodiment of the present invention, and the second viewing area A is aobvious using OLED
Show, when the display of two regions, self-luminous can be realized using current driver mode so that the display difference of two blocks compared with
It is small, so as to realize comprehensive screen.In addition, when the first viewing area B is located at the top of display screen, commonly used in showing icon,
When showing same image for a long time, it is avoided that the appearance of image retention problem.
In order to improve the light utilization efficiency of sensor, so that the environment light that sensor receives is more, Micro in the present embodiment
LED can be all made of transparent material for each layer structure of transparent Micro LED namely Micro LED and be formed.Such as N-type semiconductor
Layer or p type semiconductor layer can be using transparent materials such as gallium nitride and GaAs.First electrode and second electrode can also use
Transparent material is formed, the specific material of the unlimited transparent material for being shaped as first electrode and second electrode in the present embodiment, can be with
It is transparent conductive material, such as ITO (tin indium oxide), IZO (indium zinc oxide), is also possible to transparent super thin metal material, such as silver
Nano wire (every thickness is less than 100nm) etc..
The specific location of the first viewing area is not limited in the present embodiment.Since the first viewing area can equally show picture,
On the basis of the picture for guaranteeing that the first viewing area and the second viewing area are shown has homogeneity, the first viewing area and the second display
The position in area can be without limiting.First viewing area can be located at any position of the second viewing area, e.g., the first display position
In the side or two sides of the second viewing area；It may be located on the second viewing area inside etc., the position of the first viewing area can root
It is arranged according to the setting of sensor position, is not limited this in the present embodiment.
It in one embodiment of the invention, can be as shown in figure 8, Fig. 8 be provided in an embodiment of the present invention another aobvious
Show panel front view；Wherein, the first viewing area B1 is " fringe " position of " fringe screen ", the i.e. display of the first viewing area B1 and second
Line of demarcation U-shaped 110 between area A1, and the second viewing area A1 semi-surrounding first shows the mode in the area B1.It is mentioned in the present embodiment
The display panel of confession is improved based on current " fringe screen " structure, can be suitable for most of display in the prior art
Screen.
It can also be as shown in figure 9, Fig. 9 be another display panel front view provided in an embodiment of the present invention；Wherein, second
Viewing area A2 and the first viewing area B2 is arranged along first direction Y, and the line of demarcation between the first viewing area B2 and the second viewing area A2
210 second direction X extend, wherein first direction Y and second direction X are arranged in a crossed manner.It should be noted that in the present embodiment not
The physical relationship of first direction and second direction is limited, as long as first direction and second direction are arranged in a crossed manner.The present embodiment
Middle first direction is vertically arranged with second direction.
Can also as shown in Figure 10, Figure 10 is another display panel front view provided in an embodiment of the present invention；Wherein,
One viewing area B3 include the first sub- sub- viewing area B32 of viewing area B31 and second, the first sub- viewing area B31, the second viewing area A3 and
Second sub- viewing area B32 is set gradually along first direction Y.
Fig. 9 and the first viewing area shown in Fig. 10 are due to that can incite somebody to action when the gate driving circuit of the first viewing area is arranged
Edge region is arranged in cabling, and can not cross the second viewing area A3 of OLED, to not influence the aobvious of the second viewing area A3
Show.
Can also as shown in figure 11, Figure 11 is another display panel front view provided in an embodiment of the present invention；Wherein,
One viewing area B4 and the second viewing area A4 is arranged along first direction Y, and the boundary between the first viewing area B4 and the second viewing area A4
410 second direction X of line extends, wherein first direction Y and second direction X are arranged in a crossed manner.It should be noted that in the present embodiment
The physical relationship of first direction and second direction is not limited, as long as first direction and second direction are arranged in a crossed manner.In this hair
In bright one embodiment, first direction can be arranged in a mutually vertical manner with second direction.The display panel provided in the present embodiment,
On the one hand meet existing user's habit, camera or other sensors are located at the brow portion of screen, and cabling design is simpler
It is single, and the display of the second viewing area is not impacted, the two can be controlled independently；On the other hand, due to only including one
A first viewing area, technique are by a relatively simple.
It should be noted that the Micro LED provided in the embodiment of the present invention is transparency LED, then it is lighting at two sides
LED namely Micro LED can either shine to display panel towards user side (i.e. positive), also can be to setting sensor
The back side of display panel carries out light that is luminous, and issuing towards sensor, on the one hand, influences camera module or photosensitive sensors pair
Daylighting outside display panel；On the other hand, it cannot be used for display picture towards the light that sensor issues, cause the first viewing area
The efficiency of light energy utilization of Micro LED reduces.
It for these reasons, can also be in Micro LED towards the side of the second substrate in the other embodiment of the present invention
Reflecting layer is set, for Micro LED to be reflexed to the light emission side of display panel towards the light that sensor issues.It needs to illustrate
It is not limit the specific location in reflecting layer in the present embodiment, reflection can be set towards the surface of the second substrate in Micro LED
Layer carries out reflection light.Reflecting layer can also be set for position corresponding with Micro LED in the second substrate.Such as Figure 12 institute
Show, be another display panel structure schematic diagram provided in an embodiment of the present invention, in the first viewing area B, the second substrate 2 is towards the
The side of one substrate 1 is additionally provided with multiple isolated reflecting layer 22, and reflecting layer 22 is used to reflect the light of Micro LED11 sending；
Reflecting layer 22 and Micro LED11 is oppositely arranged, the projection of a Micro LED11 on second substrate 2 and a reflecting layer
22 overlappings.
It should be noted that as shown in figure 12, OLED is that active matrix driving is shown in the present embodiment, also set in the second substrate 2
It is equipped with thin film transistor (TFT) 23, thin film transistor (TFT) 23 includes source electrode 23s, drain electrode 23d and grid 23g；Film crystal in the present embodiment
The source electrode of pipe or drain electrode are connected with the cathode of OLED or anode, do not limit this in the present embodiment.
The specific material for not limiting reflecting layer in the present embodiment, can be metal material, and being also possible to other has height anti-
The substance of penetrating property, as long as can play the role of reflecting the light that Micro LED is issued.It should be noted that in order to
In the production process, processing step is reduced, the reflecting layer can be with certain layer of electrode metal layer of organic light-emitting units shape simultaneously
At.
Organic light-emitting units described in the present embodiment are OLED, as shown in figure 12, including first electrode 211, second electrode
212 and the organic luminous layer 213 between first electrode 211 and second electrode 212, second electrode 212 be located at first electrode
211 far from 2 side of the second substrate；Reflecting layer 22 and 211 same layer of first electrode are arranged, and material is identical, so as to make
When the first electrode 211 of OLED, it is formed simultaneously the reflecting layer 22 of Micro LED.To first electrode 211 and second in the present embodiment
The concrete function of electrode 212 is without limitation.First electrode can be cathode, is also possible to anode, does not do in the present embodiment to this
It is described in detail.
In addition, when the organic light-emitting units of the second viewing area are OLED, since there are also pixel definitions in OLED manufacturing process
Layer is a kind of display panel structure schematic diagram provided in an embodiment of the present invention, is provided in pixel defining layer 24 as shown in figure 13
Multiple openings through pixel defining layer 24, it is lateral in order to avoid Micro LED in the present embodiment for defining pixel region
It shines, the daylighting of sensor is impacted, it can also be in corresponding 2 direction of the second substrate of the first viewing area B in the present embodiment
The side of first substrate 1 is additionally provided with pixel defining layer 24B；Pixel defining layer 24B includes multiple through pixel defining layer 24B
Opening 241；The superposition of end gap of Micro LED11 projection on second substrate 2 and pixel defining layer 24B.As shown in figure 13,
After first substrate 1 and the second substrate 2 fit together to form display panel, Micro LED11 just can be fixed positioned at pixel
In the opening 241 of adopted layer 24B, so that pixel defining layer blocks the lateral direction light emission of Micro LED.
It as shown in figure 14, is another display panel structure schematic diagram provided in an embodiment of the present invention, fixed with pixel
While adopted layer 24B, reflecting layer 22 can also be formed in the opening of pixel defining layer 24B, so as to stop Micro
While LED lateral direction light emission, so that the light emission direction of Micro LED is only emitted along the light direction of display panel, to improve
The efficiency of light energy utilization of Micro LED.
It should be noted that the specific structure of the first driving circuit and the second driving circuit is not limited in the present embodiment, only
Want the first driving circuit that Micro LED can be driven to perform image display in the first viewing area, the second driving circuit can drive
OLED is performed image display in the second viewing area, and the image of the first viewing area and the second viewing area can be connected.This
The first driving circuit and the second driving circuit pass through the display control chip that cabling is connected to display panel in embodiment, to protect
It is consistent with the picture that the second viewing area is shown to demonstrate,prove the first viewing area.
Display panel provided by the invention uses Micro in the position (sensor trough) of subsequent setting sensor
LED formed luminous zone, for showing so that cause setting sensor also can normally be shown without the region of display, together
When since the first viewing area includes transparent area so that the subsequent camera sensing device that the display panel back side is arranged in or light sensation sensing
The sensors such as device are able to carry out daylighting, thus normal use.Therefore, display panel provided by the invention enables to the prior art
In " fringe screen " or " beauty's point screen " in not display area of setting sensor also carry out picture and show so that towards user side
Display panel can show picture, obtain shielding structure comprehensively.
The embodiment of the present invention also provides a kind of display device, is provided in an embodiment of the present invention a kind of aobvious as shown in figure 15
Showing device the schematic diagram of the section structure, display device 100 include display panel 10 and sensor 20, wherein display panel 10 is this
Display panel described in invention above example；Sensor 20 is located at sensor trough, and sensor 20 is located at the second base
Plate 2 is far from 1 side of first substrate.
It should be noted that display device can be the mobile phone as shown in Fig. 8-Figure 11, or computer, TV
Machine, intelligence wearing display device etc., the present embodiment is not particularly limited this.
The type of sensor is not limited in the present embodiment, the sensor includes camera module, photosensitive sensors and ultrasound
One of wave range sensor is a variety of.For example, display device is mobile phone or plate, when sensor is camera module, the
One viewing area corresponds to the front camera region of mobile phone or plate, and luminous zone is for showing, transparent area is for incidence
In light to front camera, external image is acquired for front camera；And when sensor is photosensitive sensors, the light
Propagated sensation sensor can be for incuding extraneous light, can also be with to the photosensitive sensors that the brightness of display device is adjusted
It is for incuding whether outside has fingerprint, to carry out the photosensitive sensors of fingerprint recognition；Photosensitive sensors are aobvious also by first
Show that the transparent area in area receives extraneous light, is then sensed, and luminous zone together with the second viewing area for carrying out display figure
Picture.
Display device provided by the invention includes display panel described in above example and sensor, sensor position
In the sensor trough of display panel, and away from the side of display side.Since sensor trough can also be used on display panel
In display, therefore, the display surface of the display device towards user side can be displayed in full screen, to obtain shielding display comprehensively
Device.
Additional embodiment of the present invention also provides a kind of display panel production method, and the display panel production method is used for shape
At display panel described in above example, as shown in figure 16, Figure 16 is a kind of display panel provided in an embodiment of the present invention
Production method flow chart；The display panel production method includes:
S101: providing first substrate, and the first substrate includes the first viewing area and the second viewing area, first display
Area includes luminous zone and transparent area；First viewing area on one surface of the first substrate is provided with the first driving circuit and more
A Micro LED, the Micro LED are located at the luminous zone, and first driving circuit is for driving multiple Micro
LED shines；
Production is formed with Micro LED and the first driving circuit, the Micro LED on first substrate in the present embodiment
The LED that can be same side electrode structure is also possible to the LED of vertical structure, does not limit this in the present embodiment.
When Micro LED is the LED of vertical structure, first substrate is provided and is specifically included:
First underlay substrate is provided；
Successively growth forms first electrode, the first type semiconductor layer, active layer, type two on first underlay substrate
Semiconductor layer and second electrode；
Re-form the first driving circuit.
When Micro LED is the LED with side electrode structure, first substrate is provided and is specifically included:
First underlay substrate is provided；
The long first electrode and second electrode for forming mutually insulated of Mr. on first underlay substrate；
First electrode and second electrode away from the surface of the first underlay substrate successively grow the first type semiconductor layer of formation,
Active layer, two semiconductor layer of type；
Re-form the first driving circuit.
It should be noted that the specific structure of the first underlay substrate is not limited in the present embodiment, the Micro of the first viewing area
LED can be passive matrix light emitting diode matrix, then the first underlay substrate is only the substrate to play a supportive role with cover board effect.
The Micro LED of first viewing area can also be active matrix light-emitting diode array, then is additionally provided on the first underlay substrate
The drain electrode of the thin film transistor (TFT) being arranged in array, the thin film transistor (TFT) is connected with an electrode of Micro LED, for controlling
Micro LED's lights.
S102: providing the second substrate, and the second substrate includes first viewing area and second viewing area, described
Second viewing area on one surface of the second substrate is provided with the second driving circuit and multiple organic light-emitting units, and described second drives
Dynamic circuit is for driving multiple organic light-emitting units to shine；
Production is formed with the second driving circuit and multiple organic light-emitting units in the second substrate in the present embodiment, described organic
Luminescence unit can be OLED structure.Since the second viewing area of the second substrate is similar to existing display plot structure, this implementation
In example without limitation to the part production method.
Likewise, the OLED of the second viewing area can be passive matrix organic LED array in the present embodiment,
It can be active matrix organic light-emitting diode array, do not limited this in the present embodiment.
It should be noted that when the surface of the first viewing area towards first substrate in the second substrate is additionally provided with reflecting layer
When, it can be fabricated separately to be formed, can also be formed simultaneously with the first electrode layer in the OLED manufacture craft of the second viewing area.
It is aobvious with second when the surface of the first viewing area towards first substrate in the second substrate is additionally provided with pixel defining layer
Show that the pixel defining layer in the OLED manufacture craft in area is formed simultaneously.
S103:, which being arranged the surface of the Micro LED for the first substrate, and the second substrate is provided with described has
The surface of machine luminescence unit is bonded, wherein first on the first viewing area and the second substrate on the first substrate is aobvious
Show that area is correspondingly arranged, the second viewing area on the first substrate is correspondingly arranged with the second viewing area in the second substrate.
On the basis of first substrate and the second substrate have been completed, it is bonded corresponding on first substrate and the second substrate,
Complete the production of display panel, wherein first substrate had both been used as the cover board of entire display panel, also as the first viewing area
The bearing substrate of Micro LED.Since first substrate is located at the light emission side of organic light-emitting units in the second substrate, this implementation
In example, first substrate is transparent substrate, and material is chosen as glass or flexible material, does not limit this in the present embodiment.
The production method of display panel provided by the invention forms display panel structure recited above for making, only
The covering plate structure that existing organic light emitting display panel need to be changed can be obtained shields display panel comprehensively, and production method is simple.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also
It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element
Or there is also other identical elements in equipment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (11)
1. a kind of display panel, which is characterized in that
The display panel includes viewing area, and the viewing area includes the first viewing area and the second viewing area, first display
Area is multiplexed with sensor trough, and first viewing area includes luminous zone and transparent area；
The display panel includes:
The first substrate and the second substrate being oppositely arranged；
Wherein, in first viewing area, the surface of the first substrate towards the second substrate is provided with the first driving electricity
Road and multiple Micro LED, the Micro LED are located at the luminous zone, and first driving circuit is for driving multiple institutes
Micro LED is stated to shine；
In second viewing area, the surface of the second substrate towards the first substrate is provided with the second driving circuit and more
A organic light-emitting units, second driving circuit is for driving multiple organic light-emitting units to shine.
2. display panel according to claim 1, which is characterized in that first viewing area and second viewing area edge
First direction arrangement, and the line of demarcation between first viewing area and second viewing area extends in a second direction, wherein
The first direction and the second direction are arranged in a crossed manner.
3. display panel according to claim 2, which is characterized in that the display panel further includes chip bonding area, institute
It states chip bonding area and is located at side of second viewing area far from first viewing area.
4. display panel according to claim 1, which is characterized in that first viewing area and second viewing area it
Between line of demarcation it is U-shaped, the first viewing area described in the semi-surrounding of second viewing area.
5. display panel according to claim 1, which is characterized in that first viewing area include the first sub- viewing area and
Second sub- viewing area；
The first sub- viewing area, second viewing area and the second sub- viewing area are set gradually along first direction.
6. display panel according to claim 1, which is characterized in that in first viewing area, the second substrate court
Multiple isolated reflecting layer are additionally provided with to the side of the first substrate, the reflecting layer is for reflecting Micro LED sending
Light；
The reflecting layer is oppositely arranged with the Micro LED, the projection of a Micro LED on the second substrate
It is Chong Die with a reflecting layer.
7. display panel according to claim 6, which is characterized in that the organic light-emitting units include first electrode,
Two electrodes and the organic luminous layer between the first electrode and the second electrode, the second electrode are located at described the
One electrode is far from the second substrate side；
The reflecting layer and the first electrode same layer are arranged, and material is identical.
8. display panel according to claim 1, which is characterized in that in first viewing area, the second substrate court
Pixel defining layer is additionally provided with to the side of the first substrate；
The pixel defining layer includes multiple openings through the pixel defining layer；
The superposition of end gap projected with the pixel defining layer of the Micro LED on the second substrate.
9. a kind of display device characterized by comprising
Display panel, the display panel are display panel described in claim 1-8 any one；
Sensor, the sensor is located at the sensor trough, and the sensor is located at the second substrate far from institute
State first substrate side.
10. display device according to claim 9, which is characterized in that the sensor includes camera module, light sensation sensing
One of device and ultrasonic distance sensor are a variety of.
11. a kind of display panel production method, which is characterized in that the display panel is described in claim 1-8 any one
Display panel, the display panel production method includes:
First substrate is provided, the first substrate includes the first viewing area and the second viewing area, and first viewing area includes hair
Light area and transparent area；First viewing area on one surface of the first substrate is provided with the first driving circuit and multiple Micro
LED, the Micro LED are located at the luminous zone, and first driving circuit is for driving multiple Micro LED hairs
Light；
The second substrate is provided, the second substrate includes first viewing area and second viewing area, the second substrate
Second viewing area on a surface be provided with the second driving circuit and multiple organic light-emitting units, second driving circuit is used
It shines in the multiple organic light-emitting units of driving；
The surface of the Micro LED is arranged in the first substrate and the second substrate is provided with the organic light-emitting units
Surface fitting, wherein the first viewing area on the first substrate is corresponding with the first viewing area in the second substrate to be set
It sets, the second viewing area on the first substrate is correspondingly arranged with the second viewing area in the second substrate.
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