CN109119453A - Display panel and preparation method thereof and display device - Google Patents
Display panel and preparation method thereof and display device Download PDFInfo
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- CN109119453A CN109119453A CN201811113523.1A CN201811113523A CN109119453A CN 109119453 A CN109119453 A CN 109119453A CN 201811113523 A CN201811113523 A CN 201811113523A CN 109119453 A CN109119453 A CN 109119453A
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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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
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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
- H10K59/40—OLEDs integrated with touch screens
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Abstract
The invention discloses a kind of display panel and preparation method thereof and display devices.Display panel includes: the first substrate being oppositely arranged and the second substrate；First substrate includes the first flexible substrate, display layer and the encapsulated layer set gradually, and display layer includes multiple luminescence units, and display layer further includes pixel defining layer, and pixel defining layer has multiple first openings, and luminescence unit is located in the first opening；The second substrate includes: the second flexible substrate and touch-control coloured silk film composite layer, and touch-control coloured silk film composite layer is located at the second flexible substrate close to encapsulated layer side；Touch-control coloured silk film composite layer includes: color blocking, and on perpendicular to display panel direction, color blocking is correspondingly arranged with luminescence unit；Black matrix, black matrix have multiple second openings, and second, which is open, exposes color blocking；On perpendicular to display panel direction, the orthographic projection of black matrix plane where touch control electrode covers touch control electrode, and touch control electrode is made of Metal Mesh material.The present invention is conducive to display panel slimming, is promoted flexible.
Description
Technical field
The present invention relates to field of display technology, fill more particularly, to a kind of display panel and preparation method thereof and display
It sets.
Background technique
In existing display device technology, display panel is broadly divided into liquid crystal display panel and organic light emitting display panel two
The technology of kind mainstream.Wherein, liquid crystal display panel can be controlled by applying voltage, formation on pixel electrode and public electrode
The electric field of liquid crystal molecule deflection, and then control the display function through realization display panel of light；Organic light emitting display panel
Using electroluminescent organic material, when there is electric current to pass through electroluminescent organic material, luminescent material will shine, and then realize
The display function of display panel.
Organic light emitting display panel has self-luminous, ultra-thin, high contrast, super wide viewing angle, low power consumption, display brightness
It is high, bright in luster, and as the emphasis paid close attention at present the advantages that Flexible Displays can be made.At present light and thin type display panel and
Display device has become the direction of the following display technology development.
Therefore it provides a kind of display panel of slimming and preparation method thereof and display device, are that this field is urgently to be resolved
The technical issues of.
Summary of the invention
In view of this, solving above-mentioned skill the present invention provides a kind of display panel and preparation method thereof and display device
Art problem.
In a first aspect, to solve the above-mentioned problems, the present invention provides a kind of display panel, comprising: first be oppositely arranged
Substrate and the second substrate；
First substrate includes the first flexible substrate, display layer and the encapsulated layer set gradually, wherein display layer includes multiple
Luminescence unit, display layer further include pixel defining layer, and pixel defining layer has multiple first openings, and luminescence unit is located at first and opens
In mouthful；
The second substrate includes: the second flexible substrate and touch-control coloured silk film composite layer, and it is flexible that touch-control coloured silk film composite layer is located at second
Substrate is close to encapsulated layer side；Wherein, touch-control coloured silk film composite layer includes:
Color blocking, on perpendicular to display panel direction, color blocking is correspondingly arranged with luminescence unit；
Black matrix, black matrix have multiple second openings, and second, which is open, exposes color blocking；
Touch control electrode, on perpendicular to display panel direction, black matrix is put down where touch control electrode
The orthographic projection in face covers touch control electrode, and touch control electrode is made of Metal Mesh material.
Second aspect, to solve the above-mentioned problems, the present invention provide a kind of display device, including proposed by the present invention any
A kind of display panel.
The third aspect, to solve the above-mentioned problems, the present invention provide a kind of production method of display panel, comprising:
The first flexible substrate is made in the first support plate；
Display layer is made in the first flexible substrate, display layer includes multiple luminescence units, and display layer further includes that pixel is fixed
Adopted layer, pixel defining layer have multiple first openings, and luminescence unit is located in the first opening；
Encapsulated layer is made on display layer, obtains the first substrate with the first support plate；
The second flexible substrate is made in the second support plate；
Touch-control coloured silk film composite layer is made in the second flexible substrate, obtains the second substrate with the second support plate；Wherein,
Touch-control coloured silk film composite layer includes: black matrix, color blocking and touch control electrode, and black matrix has multiple second openings, and the second opening includes
Color blocking, touch control electrode are made of Metal Mesh material, and the orthographic projection of black matrix plane where touch control electrode covers touch-control
Electrode；
First substrate with the first support plate and the second substrate with the second support plate are subjected to contraposition fitting；
The first support plate of laser lift-off and the second support plate.
Compared with prior art, display panel provided by the invention and preparation method thereof and display device, at least realize
It is following the utility model has the advantages that
It invents in the display panel provided, plays the function of preventing the reflection of environment light instead of rotatory polarization piece using color blocking,
Color blocking thickness is typically not greater than 20 μm, and color blocking thickness is far smaller than the thickness of rotatory polarization piece, is conducive to subtracting for display panel thickness
Thin, the rotatory polarization piece for not using brittleness big is also beneficial to promote the pliability of display panel.Touch-control coloured silk film is provided in the present invention
Composite layer, touch control electrode are integrated with color blocking and black matrix, the touch control electrode film layer made of Metal Mesh material
Thickness is thin, can further be conducive to the slimming of display panel, is promoted flexible.In addition, black matrix is in touch-control in the present invention
The orthographic projection of plane where electrode covers touch control electrode, and the design of touch control electrode will not influence display surface in touch-control coloured silk film composite layer
Plate aperture opening ratio.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
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 film layer structure figure of display panel provided in an embodiment of the present invention；
Fig. 2 is the schematic top plan view of display panel provided in an embodiment of the present invention；
Fig. 3 is a kind of optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention；
Fig. 4 is another optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention；
Fig. 5 is the light path schematic diagram that luminescence unit emits beam in display panel；
Fig. 6 is the section rough schematic view of display panel；
Fig. 7 is a kind of rough schematic view of display panel provided by the invention；
Fig. 8 is another optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention；
Fig. 9 is another optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention；
Figure 10 is another optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention；
Figure 11 is display device schematic diagram provided in an embodiment of the present invention；
Figure 12 is display panel production method flow chart provided in an 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 film layer structure figure of display panel provided in an embodiment of the present invention.Fig. 2 is provided in an embodiment of the present invention aobvious
Show the schematic top plan view of panel.
As shown in Figure 1, display panel includes: the first substrate 11 being oppositely arranged and the second substrate 12；First substrate 11 wraps
Include the first flexible substrate 111, display layer 112 and the encapsulated layer 113 set gradually, wherein display layer 112 includes multiple luminous lists
Member 1121, display layer 112 further include pixel defining layer 1122, and pixel defining layer 1122 has multiple first opening K1, shines single
Member 1121 is located in the first opening K1.The second substrate 12 includes: the second flexible substrate 121 and touch-control coloured silk film composite layer 122, touch-control
Color film composite layer 122 is located at the second flexible substrate 121 close to 113 side of encapsulated layer；Wherein, touch-control coloured silk film composite layer 122 includes:
Color blocking 1221, on perpendicular to display panel direction, color blocking 1221 is correspondingly arranged with luminescence unit 1121；Black matrix 1222 is black
Matrix 1222 has multiple second opening K2, the second opening K2 exposure color blocking 1221；Touch control electrode 1223, perpendicular to display surface
On plate direction, black matrix 1222 covers touch control electrode 1223, touch control electrode in the orthographic projection of 1223 place plane of touch control electrode
1223 are made of Metal Mesh material.Metal Mesh, that is, metal grill, impedance is low, conducts electricity very well, using its system
The conductive layer of work can be thinner than the conductive layer of conventional indium tin oxide production.Touch-control coloured silk film composite layer 122 only shows in Fig. 1
Meaning property indicates, wherein touch control electrode 1223 can be located at black matrix 1222 far from 11 side of first substrate, or can also be such as figure
Shown in 1, touch control electrode 1223 can be located at black matrix 1222 close to 11 side of first substrate.
As shown in Fig. 2, display panel includes viewing area AA and non-display area BA, wherein luminescence unit 1121 is located at viewing area
AA, 1121 (not shown) of luminescence unit are correspondingly arranged with color blocking 1221, in the viewing of face display panel, luminescence unit
1121 are located at the lower section of color blocking 1221.Black matrix 1222 has multiple second opening K2, the second opening K2 exposure color blocking 1221, hair
The light that light unit 1121 issues penetrates second opening K2 outgoing of the color blocking 1221 from black matrix 1222.
Display panel provided by the invention can make first substrate and the second substrate in production respectively, then again by the
One substrate and the second substrate contraposition fitting.For example when making first substrate, the first flexible substrate is made first, then first
Display layer is made in flexible substrate, encapsulated layer is then made on display layer, wherein the effect of encapsulated layer is prevented in display layer
Infringement of the luminescence unit by water oxygen, guarantee the service life of luminescence unit.For example it when making the second substrate, makes first
Then second flexible substrate makes touch-control coloured silk film composite layer, wherein black matrix can be made first, so in the second flexible substrate
Color blocking is made after black matrix technique afterwards, then makes touch control electrode layer.Finally by the first substrate to complete and second
Substrate is bonded.
Rotatory polarization piece can be all provided in conventional display panel to reduce the reflection of environment light, but prior art system
The rotatory polarization piece of work is multiple film layer structure, and thickness is thick usually in 100 μm, extra-thin rotatory polarization piece thickness also at 70 μm or so
Degree is thicker, is unfavorable for the slimming of display panel, and rotatory polarization piece brittleness is big, influences display panel pliability.And it is of the invention
In the display panel of offer, the function of preventing the reflection of environment light is played instead of rotatory polarization piece using color blocking, color blocking thickness is usual
No more than 20 μm, color blocking thickness is far smaller than the thickness of rotatory polarization piece, is conducive to being thinned for display panel thickness, does not use brittleness
Big rotatory polarization piece is also beneficial to promote the pliability of display panel.Touch-control coloured silk film composite layer, touch-control electricity are provided in the present invention
Pole is integrated with color blocking and black matrix, and the touch control electrode thicknesses of layers made of Metal Mesh material is thin, Neng Goujin
One step is conducive to the slimming of display panel.In addition, the orthographic projection of black matrix plane where touch control electrode covers in the present invention
Touch control electrode, the design of touch control electrode will not influence display panel aperture opening ratio in touch-control coloured silk film composite layer.
Optionally, touch control electrode can be located at black matrix close to first substrate side, namely from display panel in the present invention
Display surface viewing when touch control electrode be located at the lower section of black matrix, line position can be walked to avoid touch control electrode in display panel and is generated
Reflection of ambient light influences visual effect when display panel display.
Fig. 3 is a kind of optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention.Such as Fig. 3 institute
Show, the first flexible substrate 111 includes array layer 1111, and array layer 1111 includes multiple thin film transistor (TFT) T, and thin film transistor (TFT) T makees
For the switching device of pixel in display panel.Thin film transistor (TFT) T includes active layer T1, source electrode T2, drain electrode T3 and grid T4, Fig. 3
In exemplary representation is only carried out with the thin film transistor (TFT) T of top gate structure, it should be noted that thin film transistor (TFT) T can also in the present invention
To be bottom grating structure.Luminescence unit 1121 is organic luminescence display unit in display layer 112, and luminescence unit includes anode a, shines
Layer b and cathode c, is only illustrated by taking the luminescence unit structure of top emitting in Fig. 3 as an example, in this structure Anodic a as reflection
Electrode generallys use metal material production, can be by Ag, Mg, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr or their mixture
It is formed；Luminescent layer b may include red light emitting layer, green light emitting layer, blue light-emitting layer or white light-emitting layer；Cathode c is transparent
Electrode may include tin indium oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO) or indium oxide (In2O3) etc. materials；Anode
The luminescent layer b light emitted effectively can be reflected into light emission side by a, improve light extraction efficiency.Anode a in luminescence unit 1121 with
The source electrode T2 or drain electrode T3 of thin film transistor (TFT) T is electrically connected, and the drain electrode T3 of anode a Yu thin film transistor (TFT) T are schematically shown in Fig. 3
Electrical connection.
Shown in continuing to refer to figure 1, pixel defining layer 1122 is made of light absorbent.The making material packet of pixel defining layer
Include chromium, chromium oxide, chromium nitride, black organic material, modified organic material or photochromic material.The production of pixel defining layer
Material may include one or more, such as or chromium oxide/chromium nitride/chromium composition composite material, above-mentioned material is equal
The effect that light realizes shading antireflection can be absorbed, the light for preventing luminescence unit from issuing is emitted to adjacent luminescence unit,
Cause colour mixture.
Optionally, display panel provided by the invention, the color blocking in touch-control coloured silk film composite layer may include transparent color blocking, show
Show that the luminescence unit in layer includes emitting red light unit, blue-light-emitting unit and green emitting unit, wherein each shines single
First top is correspondingly arranged a transparent color blocking.
Optionally, display panel provided by the invention, the color blocking in touch-control coloured silk film composite layer may include red resistance, blue
Resistance and green resistance.In one embodiment, white light can be issued with the one-to-one luminescence unit of color blocking in display layer, so
White light is emitted feux rouges, blue light and green light after penetrating red resistance, blue resistance and green resistance accordingly afterwards；In another embodiment
In, the luminescence unit in display layer includes emitting red light unit, blue-light-emitting unit and green emitting unit, and red resistance is located at red
On color luminescence unit, blue resistance is located on blue-light-emitting unit, and green resistance is located on green emitting unit, i.e., identical face
The luminescence unit and color blocking of color are arranged in a one-to-one correspondence.
Fig. 4 is another optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention.Such as Fig. 4 institute
Show, luminescence unit 1121 includes at least emitting red light unit 1121R, blue-light-emitting unit 1121B and green emitting unit
1121G, color blocking 1221 include at least red resistance 1221R, blue resistance 1221B and green resistance 1221G；Red resistance 1221R is located at red
On color luminescence unit 1121R, blue resistance 1221B is located on blue-light-emitting unit 1121B, and green resistance 1221G is located at green
On luminescence unit 1121G, i.e. the luminescence unit of same color and color blocking list is arranged in a one-to-one correspondence.
After inventor is it has furthermore been found that replace polaroid using color blocking, it is thinned display panel thickness, but is being regarded greatly
There may be colour mixture risks under angle.With continued reference to shown in Fig. 4, under big visual angle (angle of vertical direction is θ in visual angle and figure),
There may be the light of emitting red light unit 1121R sending from the green emitting unit adjacent with emitting red light unit 1121R
The top of 1121G is emitted, i.e. red light penetration green resistance 1221G outgoing, and leads to colour mixture.Based on this, inventor is further
It is proposed solution, it can be by being adjusted to the organic layer thickness between color blocking and luminescence unit or by display surface
The width of black matrix is adjusted in plate, to reduce colour mixture risk under big visual angle.
In one embodiment, it in order to improve big visual angle colour mixture problem, can be thinned between color blocking and luminescence unit
Thicknesses of layers.At least provided with one layer of inorganic layer and one layer of organic layer between luminescence unit and color blocking, perpendicular to display surface
On plate direction, inorganic layer with a thickness of dIt is inorganic, organic layer with a thickness of dIt is organic,
Wherein, LPDLFor on the light-emitting surface of luminescence unit, adjacent two
The width of pixel defining layer between luminescence unit, LBMThe width of black matrix between two adjacent color blockings.
Fig. 5 is the light path schematic diagram that luminescence unit emits beam in display panel.As shown in figure 5, with color blocking 1221 and hair
It include for an an organic layer C1 and inorganic layer C2 between light unit 1121, light is propagated between different media and can be sent out
Raw refraction, changes optical path.Luminescence unit 1121 initially enters inorganic layer C2 after emitting beam, the refraction angle into inorganic layer C2 is
θ 1, then entering the refraction angle of organic layer C1 from inorganic layer C2 is θ 2, then enters color blocking 1221, color blocking 1221 from organic layer C1
It is equally made of organic material, so light enters color blocking 1221 and refraction do not occur substantially (or refractive index very little is neglected herein
Slightly), it is θ 3 that then light, which is emitted from color blocking 1221 into the refraction angle of the second flexible substrate 121,.When refraction angle θ 3 is less than second
When the critical angle of flexible substrate 121, light can penetrate the outgoing of the second flexible substrate 121, and when refraction angle θ 3 is greater than or equal to the
When the critical angle of two flexible substrates 121, light can be totally reflected in the second flexible substrate 121.Inventor thinks can be from
The angle thinking for being totally reflected light inside display panel, to improve big visual angle colour mixture problem.
In the present invention the second flexible substrate can using the organic materials production such as polyimides, inventor through test of many times and
Great mass of data is browsed, the critical angle for obtaining the second flexible substrate is about 36 °, and the refractive index n1 of the second flexible substrate is 1.7, is shown
Show that the refractive index n2 of organic layer C1 in panel is about 1.5, the refractive index n3 of inorganic layer C2 is about 1.8 in display panel.After
Continue refering to what is shown in Fig. 5, according to the law of refraction, it is known that in organic layer C1, inorganic layer C2 and the second refraction accordingly of flexible substrate 121
There are following relationships between angle:
As refraction angle θ 3=36 °, light is all-trans in the second flexible substrate 121
It penetrates, at this time θ 1=34 °, θ 2=42 °.
On perpendicular to display panel direction e, inorganic layer C2 with a thickness of dIt is inorganic, organic layer C1 with a thickness of dIt is organic, color blocking
The distance between 1221 and luminescence unit 1121 are d, then d=dIt is organic+dIt is inorganic。
As shown in figure 5, L represents the offset distance of light, i.e., in sectional view, from the light of the outgoing of luminescence unit 1121
To the distance that when color blocking direction outgoing adjacent thereto, optical path is horizontally offset from, wherein can be calculated according to Pythagorean theorem
L1 and L2, L=L1+L2,
Then L=dIt is organic*tanθ2+dIt is inorganic*tanθ1。
In sectional view, when light is emitted from the right end of 1121 light-emitting surface of luminescence unit, through organic layer and inorganic layer
After refraction, being incident on the situation in color blocking 1221 from the figure and right side of black matrix 1222 is a critical condition, at this time inclined
Shifting distance L is smallest offset distance.If the light with smallest offset distance can be all-trans in the second flexible substrate
Penetrate, then the offset distance of light be greater than smallest offset apart from when, light also can necessarily be all-trans in the second flexible substrate
It penetrates, then solves the problems, such as the big visual angle colour mixture in display panel.
Fig. 6 is the section rough schematic view of display panel.As shown in fig. 6, luminous generally for guaranteeing in display panel
The width of black matrix as far as possible small will be arranged, between two adjacent luminescence units in the light extraction efficiency and aperture opening ratio of device as far as possible
Pixel defining layer sectional view substantially Fig. 6 in trapezoidal shape.The light-emitting surface of luminescence unit be luminescence unit structure most
The surface (with face M signal in figure) in outside, on light-emitting surface M, the width of the pixel defining layer between two adjacent luminescence units
Degree is LPDL.In sectional view, the width of the black matrix between two adjacent color blockings is LBM, wherein LPDLAnd LBMMeet as follows
Relationship:This formula is substituted into the calculation formula of above-mentioned offset distance L, is obtained:
Again because of L=dIt is organic*tanθ2+dIt is inorganic* tan θ 1, wherein tan θ 2 and tan θ 1 is definite value, works as dIt is inorganicSize is constant
When, dIt is organicBecome smaller, then offset distance L can become smaller, then with continued reference to shown in Fig. 5, when offset distance L is smallest offset distance
When, if offset distance L becomes smaller on the basis of smallest offset distance, light will be blocked by black matrix, and cannot be gone out from color blocking
It penetrates, so that there is no colour mixture problems.So being designed in the present inventionGuarantee dIt is organic
Become smaller in a certain range, solve colour mixture risk under big visual angle, while being also beneficial to being thinned for display panel thickness.
Further, according to above-mentioned formula
It can obtain: LBM=1.8dIt is organic-LPDL+1.34dIt is inorganic, as shown in fig. 6, black square is arranged under normal conditions in display panel
The width L of battle arrayBMThe width L of < pixel defining layerPDL.Fig. 7 is a kind of rough schematic view of display panel provided by the invention.Such as Fig. 7
It is shown, in the case that thickness is constant between color blocking 1221 and luminescence unit 1121, if the width of black matrix 1222 increased,
I.e. in figure to the right extend a part, then light can be blocked by black matrix 1222, thus adjacent color blocking 1221 will not be penetrated and
Outgoing, and then colour mixture problem under big visual angle can be improved.The width of the black matrix between two adjacent color blockings is designed in the present invention
Degree is LBMMeet following condition, 1.8dIt is organic-LPDL+1.34dIt is inorganic≤LBM≤LPDL, guarantee to improve the same of colour mixture problem under big visual angle
When, the influence to the aperture opening ratio of display panel is smaller.
Fig. 8 is another optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention.Such as Fig. 8 institute
Show, be provided with optical cement 13 between encapsulated layer 113 and touch-control coloured silk film composite layer 122, first substrate 11 is realized by optical cement 12
With the fixation of the second substrate 12.It optionally, further include planarization layer 123 in the second substrate 12, when making the second substrate 12,
Planarization layer 123 is made on touch-control coloured silk film composite layer 122 after completing the production of touch-control coloured silk film composite layer 122, is provided one and is put down
Smooth surface can fit closely when guaranteeing that first substrate 11 and the second substrate 12 are bonded and guarantee display panel structure stability.
Wherein, optical cement 13 and planarization layer 123 generally use organic material production, in order to improve the big visual angle of display panel
Light mixing problem, by the production of the thicknesses of layers of optical cement 13 and planarization layer 123 as far as possible than relatively thin when production, such as in a kind of reality
It applies in example, the thickness of optical cement 13 is about 2 μm or so, and planarization layer 123 is about 3 μm or so.
In some alternative embodiments, the encapsulated layer of display panel includes at least one inorganic encapsulated layer and at least one
A organic encapsulation layer.Wherein, inorganic encapsulated layer density can effectively obstruct well water oxygen, and organic encapsulation layer has soft well
Toughness, inorganic encapsulated layer and organic encapsulation layer combine, and when display panel is bent, organic encapsulation layer can alleviate inorganic envelope
The folding s tress that layer is born is filled, prevents inorganic encapsulated layer from cracking, influences packaging effect.
In one embodiment, encapsulated layer includes two inorganic encapsulated layers and at least one organic encapsulation layer.Fig. 9 is this hair
Another optional embodiment film layer structure figure for the display panel that bright embodiment provides.As shown in figure 9, encapsulated layer 113 includes
Two inorganic encapsulated layers 1131 and at least one organic encapsulation layer 1132.Organic encapsulation layer 1132 is located at two inorganic encapsulated layers
Between 1131.Optionally, in order to improve the big visual angle light mixing problem of display panel, in the premise for guaranteeing display panel packaging effect
Under, 1 μm or so can be set by the thickness of inorganic encapsulated layer.It can be incited somebody to action in the case where meeting the formula in above-described embodiment
The thickness of organic encapsulation layer is thinned.
Figure 10 is another optional embodiment film layer structure figure of display panel provided in an embodiment of the present invention.Such as Figure 10
It is shown, on perpendicular to display panel direction, blue resistance 1221B with a thickness of d1, red resistance 1221R with a thickness of d2, green
Hinder 1221G with a thickness of d3, wherein d1 < d2, and d1 < d3.Light, which penetrates any film layer, can all generate certain light loss, but light
Transmitance has differences when line penetrates the color blocking of different colours, and the thickness of setting blue resistance is less than the thickness of green resistance in the present invention
Degree, by the way that the thickness of blue resistance is thinned, to increase the transmitance that light penetrates blue resistance, guarantees aobvious again smaller than the thickness of red resistance
Show that the transmitance of blue ray in panel, red light and green light is roughly the same.
By taking color blocking is with a thickness of 2.2 μm as an example, it is about 80%-90% that light, which penetrates red resistance and the transmitance of green resistance,
The transmitance that light penetrates blue resistance is about 70%.In one embodiment, the thickness of red resistance and green resistance are with a thickness of 2.2
μm, and blue resistance with a thickness of 1 μm, light penetrate blue resistance transmitance be about 77%, embodiment provided by the invention, increase
Big light penetrates the transmitance of blue resistance, guarantees the transmitance of blue ray, red light and green light in display panel
It is roughly the same, so that whole transmitance is relatively uniform in display panel.
Optionally, 1.0 μm≤d1≤2.0 μm, 1.5 μm≤d2≤2.5 μm, 1.5 μm≤d3≤2.5 μm.It is set in the present invention
The thickness for setting blue resistance is less than the thickness of green resistance, again smaller than the thickness of red resistance, the thickness of the thickness of green resistance and red resistance
It can be the same or different, environment light can be absorbed in the setting of color blocking simultaneously in the present invention, reduces reflectivity, is thinned in setting
When the thickness increasing light of blue resistance penetrates the penetrance of blue resistance, while the thickness for avoiding blue from hindering is excessively thin, and to reflect
Rate increases, and influences display effect.Consider the shadow to penetrance and reflectivity when the thickness of color blocking simultaneously in display panel is set
It rings.
Based on the same inventive concept, the present invention also provides a kind of display device, Figure 11 is provided in an embodiment of the present invention aobvious
Showing device schematic diagram, as shown in figure 11, display device include the display panel 100 that above-mentioned any embodiment provides.The present invention mentions
The display device of confession includes but is not limited to following classification: television set, laptop, desktop displays, tablet computer, number
Camera, mobile phone, Intelligent bracelet, intelligent glasses, Vehicular display device, Medical Devices, industrial control equipment, touch interactive terminal etc..
Based on the same inventive concept, the present invention also provides a kind of production method of display panel, Figure 12 is that the present invention is implemented
The display panel production method flow chart that example provides.As shown in figure 12, production method includes:
Step S101: the first flexible substrate is made in the first support plate；
Step S102: making display layer in the first flexible substrate, and display layer includes multiple luminescence units, and display layer also wraps
Pixel defining layer is included, pixel defining layer has multiple first openings, and luminescence unit is located in the first opening；
Step S103: making encapsulated layer on display layer, obtains the first substrate with the first support plate；
Step S104: the second flexible substrate is made in the second support plate；
Step S105: making touch-control coloured silk film composite layer in the second flexible substrate, obtains second with the second support plate
Substrate；Wherein, touch-control coloured silk film composite layer includes: black matrix, color blocking and touch control electrode, and black matrix has multiple second openings, the
Two openings include color blocking, and touch control electrode is made of Metal Mesh material, the positive throwing of black matrix plane where touch control electrode
Shadow covers touch control electrode；
Step S106: the first substrate with the first support plate and the second substrate with the second support plate are aligned
Fitting；
Step S107: the first support plate of laser lift-off and the second support plate.
It can be referred in the present invention using the display panel of production method provided by the invention production arbitrarily about display surface
The embodiment explanation of plate.When making display panel, the first substrate and the second substrate for having support plate are made respectively first, when
First substrate and the second substrate contraposition are bonded and then using the corresponding support plates of laser lift-off, and manufacture craft is mature.The present invention
The display panel production method of offer, the function of preventing the reflection of environment light is played using color blocking instead of rotatory polarization piece, and color blocking is thick
Typically not greater than 20 μm of degree, color blocking thickness is far smaller than the thickness of rotatory polarization piece, is conducive to being thinned for display panel thickness, and
The rotatory polarization piece for not using brittleness big is also beneficial to promote the pliability of display panel.Production has touch-control coloured silk film compound in the present invention
Layer, touch control electrode are integrated with color blocking and black matrix, the touch control electrode thicknesses of layers made of Metal Mesh material
It is thin, it can further be conducive to the slimming of display panel.In addition, plane is being just where touch control electrode for black matrix in the present invention
Projection covers touch control electrode, and the design of touch control electrode will not influence display panel aperture opening ratio in touch-control coloured silk film composite layer.
Through the foregoing embodiment it is found that display panel provided by the invention and preparation method thereof and display device, at least in fact
Showed it is following the utility model has the advantages that
It invents in the display panel provided, plays the function of preventing the reflection of environment light instead of rotatory polarization piece using color blocking,
Color blocking thickness is typically not greater than 20 μm, and color blocking thickness is far smaller than the thickness of rotatory polarization piece, is conducive to subtracting for display panel thickness
Thin, the rotatory polarization piece for not using brittleness big is also beneficial to promote the pliability of display panel.Touch-control coloured silk film is provided in the present invention
Composite layer, touch control electrode are integrated with color blocking and black matrix, the touch control electrode film layer made of Metal Mesh material
Thickness is thin, can further be conducive to the slimming of display panel.In addition, black matrix plane where touch control electrode in the present invention
Orthographic projection cover touch control electrode, the design of touch control electrode will not influence display panel aperture opening ratio in touch-control coloured silk film composite layer.
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 (11)
1. a kind of display panel characterized by comprising the first substrate and the second substrate being oppositely arranged；
The first substrate includes the first flexible substrate, display layer and the encapsulated layer set gradually, wherein the display layer includes
Multiple luminescence units, the display layer further include pixel defining layer, and the pixel defining layer has multiple first openings, the hair
Light unit is located in first opening；
The second substrate includes: the second flexible substrate and touch-control coloured silk film composite layer, and the touch-control coloured silk film composite layer is located at described
Second flexible substrate is close to the encapsulated layer side；Wherein, the touch-control coloured silk film composite layer includes:
Color blocking, on perpendicular to the display panel direction, the color blocking is correspondingly arranged with the luminescence unit；
Black matrix, the black matrix have multiple second openings, the second opening exposure color blocking；
Touch control electrode, on perpendicular to the display panel direction, the black matrix plane where the touch control electrode just
Projection covers the touch control electrode, and the touch control electrode is made of Metal Mesh material.
2. display panel according to claim 1, which is characterized in that
At least provided with one layer of inorganic layer and one layer of organic layer between the luminescence unit and the color blocking, perpendicular to described
On display panel direction, the inorganic layer with a thickness of dIt is inorganic, the organic layer with a thickness of dIt is organic,
Wherein,
LPDLFor on the light-emitting surface of luminescence unit, the width of the pixel defining layer between two adjacent luminescence units
Degree, LBMThe width of the black matrix between two adjacent color blockings.
3. display panel according to claim 1, which is characterized in that
The width of the black matrix between two adjacent color blockings is LBM；
1.8dIt is organic-LPDL+1.34dIt is inorganic≤LBM≤LPDL, wherein
LPDLFor on the light-emitting surface of luminescence unit, the width of the pixel defining layer between two adjacent luminescence units
Degree；At least provided with one layer of inorganic layer and one layer of organic layer, d between the luminescence unit and the color blockingIt is inorganicIt is described inorganic
Layer is perpendicular to the thickness on the display panel direction, dIt is organicIt is the organic layer on perpendicular to the display panel direction
Thickness.
4. display panel according to claim 1, which is characterized in that
It is provided with optical cement between the encapsulated layer and the touch-control coloured silk film composite layer, realizes described first by the optical cement
The fixation of substrate and the second substrate.
5. display panel according to claim 1, which is characterized in that
The pixel defining layer is made of light absorbent.
6. display panel according to claim 1, which is characterized in that
The encapsulated layer includes at least one inorganic encapsulated layer and at least one organic encapsulation layer.
7. display panel according to claim 1, which is characterized in that
The luminescence unit includes at least emitting red light unit, blue-light-emitting unit and green emitting unit, and the color blocking is at least
Including red resistance, blue resistance and green resistance；
The red resistance is located on the emitting red light unit, and the blue resistance is located on the blue-light-emitting unit, institute
Green resistance is stated to be located on the green emitting unit.
8. display panel according to claim 7, which is characterized in that
On perpendicular to the display panel direction, the blue resistance with a thickness of d1, the red resistance with a thickness of d2, described
Green resistance with a thickness of d3, wherein d1 < d2, and d1 < d3.
9. display panel according to claim 8, which is characterized in that
1.0 μm≤d1≤2.0 μm, 1.5 μm≤d2≤2.5 μm, 1.5 μm≤d3≤2.5 μm.
10. a kind of display device, which is characterized in that including the described in any item display panels of claim 1 to 9.
11. a kind of production method of display panel, which is characterized in that the production method includes:
The first flexible substrate is made in the first support plate；
Display layer is made in first flexible substrate, the display layer includes multiple luminescence units, and the display layer also wraps
Pixel defining layer is included, the pixel defining layer has multiple first openings, and the luminescence unit is located in first opening；
Encapsulated layer is made on the display layer, obtains the first substrate with first support plate；
The second flexible substrate is made in the second support plate；
Touch-control coloured silk film composite layer is made in second flexible substrate, obtains the second substrate with second support plate；
Wherein, the touch-control coloured silk film composite layer includes: black matrix, color blocking and touch control electrode, and the black matrix has multiple second openings,
Second opening includes the color blocking, and the touch control electrode is made of Metal Mesh material, and the black matrix is described
The orthographic projection of plane covers the touch control electrode where touch control electrode；
First substrate with first support plate and the second substrate with second support plate are subjected to contraposition fitting；
First support plate described in laser lift-off and second support plate.
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