CN207834302U - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN207834302U CN207834302U CN201820049683.3U CN201820049683U CN207834302U CN 207834302 U CN207834302 U CN 207834302U CN 201820049683 U CN201820049683 U CN 201820049683U CN 207834302 U CN207834302 U CN 207834302U
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Abstract
A kind of display panel of the utility model embodiment offer and display device, it is related to display technology field, the problem of capable of solving since setting rotatory polarization piece blocking is reflective in existing OLED display device, and causing the thickness of OLED display device larger, be unfavorable for flexible bending.Including underlay substrate and the multiple electroluminescence display unit groups being arranged on underlay substrate, electroluminescence display unit group includes multiple electroluminescence display units for sending out different colours light, filter layer is also set up in the light emission side of electroluminescence display unit, filter layer includes the optical filter that multiple permission different colours light penetrate, and the luminous color of electroluminescence display unit and is arranged identical in the optical filter permission color of transmitted light of the electroluminescence display unit light emission side.
Description
Technical field
The utility model is related to display technology field more particularly to a kind of display panel and display devices.
Background technology
Organic elctroluminescent device (Organic Light-Emitting Device, abbreviation OLED) is relative to liquid
Crystal device has many advantages, such as self-luminous, reaction are fast, brightness is high, frivolous, it is considered to be next-generation mainstream display technology,
The characteristics of especially its is flexible, deflection so that OLED display device becomes the first choice of Flexible Displays.
OLED display device is a kind of current-injecting light-emitting display device, by anode, luminescent layer (Emitting
Layer, referred to as EML) and cathode sandwich structure consisting, after powered up, the charge in hole and cathode on anode is shining
It combines, and gives off energy in layer, the molecule of energy transmission to organic luminescent substance makes it from ground state transition to excitation state.Swash
Hair state is very unstable, and excited molecule returns to ground state from excitation state, and the process of radiation transistion generates luminescence phenomenon.OLED display
(for example, the metal layer can be cathode, or it is located at anode and base in top-illuminating OLED display device comprising metal layer in part
Reflecting layer etc. between plate, the anode in top-illuminating OLED display device), a large amount of gold on the surface of OLED display device
Belong to higher to the reflectivity of external environmental light, reflection light can impact the display effect of OLED display device.
It is generally reduced in such a way that in the light-emitting surface side of OLED display device, rotatory polarization piece is set in the prior art
Reflection, by OLED display device light-emitting surface incidence ambient light by being changed into the circular polarization of left-handed (dextrorotation) after rotatory polarization piece
Light, for left-handed (dextrorotation) circularly polarized light through the metal layer reflection in OLED display device, the circularly polarized light of reflection is dextrorotation (left-handed),
The circularly polarized light of dextrorotation (left-handed) cannot penetrate rotatory polarization piece and be emitted, to reduce the reflection of natural light in OLED display device
Phenomenon.
But since the thickness of rotatory polarization piece itself is larger, it is arranged in OLED display device, it is difficult to avoiding so that whole
The thickness of a OLED display device is thicker, and elasticity modulus is larger, there is very strong brittleness, is unfavorable for flexible OLED display part
Flexibility and bendable folding endurance.
Utility model content
A kind of display panel of the utility model embodiment offer and display device, can solve existing OLED display device
In due to setting rotatory polarization piece stop it is reflective, the problem of and causing the thickness of OLED display device larger, be unfavorable for flexible bending.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that：
The one side of the utility model embodiment provides a kind of display panel, including underlay substrate and setting in substrate
Multiple electroluminescence display unit groups on substrate, electroluminescence display unit group include multiple for sending out different colours light
Electroluminescence display unit, also set up filter layer in the light emission side of electroluminescence display unit, filter layer includes multiple permissions
The optical filter that different colours light penetrates, the luminous color of electroluminescence display unit is with setting in the electroluminescence display unit
The optical filter of light emission side allows the color of transmitted light identical.
Preferably, it is provided with color between adjacent optical filter and defines structure, it is adjacent for defining that color defines structure
Two optical filters.
Further, it includes black matrix that color, which defines structure, alternatively, color defines structure by two adjacent optical filters
Edge is overlapped mutually to be formed.
Preferably, filter layer is carried by underlay substrate；The electroluminescence display unit is encapsulated by thinner package film layer.
Further, the side for deviating from underlay substrate in electroluminescence display unit is arranged in filter layer.
Preferably, display panel further includes touch-control structure, and touch-control structure is arranged inside display panel, the phase on filter layer
It is provided with color between adjacent optical filter and defines structure, projection of the touch-control structure on underlay substrate, which is located at color, to be defined structure and exist
In drop shadow spread on underlay substrate.
Further, touch-control structure includes that multiple the first touch control electrodes being mutually parallel and multiple second to be mutually parallel touch
Electrode is controlled, is intersected between multiple first touch control electrodes and multiple second touch control electrodes and mutually insulated.
Further, second touch control electrode include be arranged with the first touch control electrode same layer it is multiple by between the first touch control electrode
The the second sub- touch control electrode separated is connected by building bridge between the second sub- touch control electrode, is built bridge and is led between the first touch control electrode
Cross setting insulating layer or insulating pattern mutually insulated.
Further, it is provided with color between adjacent optical filter and defines structure, the first touch control electrode and the second touch-control
Electrode defines structure mutually insulated by color.
Preferably, the pixel confining layer for including multiple openings, electroluminescence display unit are additionally provided on underlay substrate
It is arranged at the position of opening, pixel confining layer is made by light screening material.
Further, spacer material is additionally provided in pixel confining layer, the top surface area of spacer material is more than base area.
Preferably, it is provided with color between adjacent optical filter and defines structure, it includes black matrix that color, which defines structure,.It is black
Projection of the matrix on underlay substrate is corresponding with projected position of the pixel confining layer on underlay substrate.
Further, electroluminescence display unit is encapsulated by thinner package film layer, touch-control structure and thinner package film layer it
Between be additionally provided with buffer layer, buffer layer can be the compound of organic layer or inorganic layer or both.
Preferably, protective layer is additionally provided on filter layer.Protective layer by Optical transparent adhesive or optical clear resin or
It pastes and fixes between sub- quick glue and the touch operation surface of touch-control structure.Wherein, protective layer could be provided as one or more layers.
The another aspect of the utility model embodiment provides a kind of display device, includes the display panel of any of the above-described.
A kind of display panel of the utility model embodiment offer and display device, including underlay substrate and setting are in substrate
Multiple electroluminescence display unit groups on substrate, electroluminescence display unit group include multiple for sending out different colours light
Electroluminescence display unit, also set up filter layer in the light emission side of electroluminescence display unit, filter layer includes multiple permissions
The optical filter that different colours light penetrates, the luminous color of electroluminescence display unit is with setting in the electroluminescence display unit
The optical filter of light emission side allows the color of transmitted light identical.By electroluminescence display unit light emission side setting with it is electroluminescent
The luminous corresponding filter set of color of luminescence display unit at filter layer so that the extraneous natural light by light emission side incidence
Entered inside display panel by filter layer first, is only capable of filtering out most of light through the filter layer of the light of single color
Line, into microcavity of the small part light inside display panel through metal material and electroluminescence cell inside display panel
Part light intensity is had lost when reflection, when again passing by filter layer outgoing, what reflection light again passed by filter layer filters out effect, into
One step reduces the intensity of outgoing reflected light so that the intensity of reflected light of outgoing is very small, from without again in display panel
Setting rotatory polarization piece reflects to reduce, and has achieved the effect that the thickness of thinned display panel, the display of the utility model embodiment
When for Flexible Displays, thinned display panel is easy to bend panel, and is easy to implement folder function.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is one of the hierarchical structure schematic diagram of a kind of display panel that the utility model embodiment provides；
Fig. 2 is the two of the hierarchical structure schematic diagram for a kind of display panel that the utility model embodiment provides；
Fig. 3 is the three of the hierarchical structure schematic diagram for a kind of display panel that the utility model embodiment provides；
Fig. 4 is the four of the hierarchical structure schematic diagram for a kind of display panel that the utility model embodiment provides；
Fig. 5 is the five of the hierarchical structure schematic diagram for a kind of display panel that the utility model embodiment provides；
Fig. 6 is the six of the hierarchical structure schematic diagram for a kind of display panel that the utility model embodiment provides；
Fig. 7 is one of the board face structure schematic diagram of a kind of display panel that the utility model embodiment provides；
Fig. 8 is one of the A1-A2-A3-A4-A5-A6 broken line sectional views of Fig. 7；
Fig. 9 is the two of the board face structure schematic diagram for a kind of display panel that the utility model embodiment provides；
Figure 10 is one of the B-B sectional views of Fig. 9；
Figure 11 is the two of the B-B sectional views of Fig. 9；
Figure 12 a are the three of the B-B sectional views of Fig. 9；
Figure 12 b are the four of the B-B sectional views of Fig. 9；
Figure 12 c are the five of the B-B sectional views of Fig. 9；
Figure 12 d are the six of the B-B sectional views of Fig. 9；
Figure 13 is the seven of the B-B sectional views of Fig. 9；
Figure 14 is the seven of the hierarchical structure schematic diagram for a kind of display panel that the utility model embodiment provides；
Figure 15 is the two of the A1-A2-A3-A4-A5-A6 broken line sectional views of Fig. 7；
Figure 16 is the eight of the hierarchical structure schematic diagram for a kind of display panel that the utility model embodiment provides.
Reference numeral：
01- pressure-sensitive adhesive layers；02- functional film layers；03- metal routings；04- light-shielding structures；10- underlay substrates；The electroluminescent hairs of 20-
Light display unit group；21- electroluminescence display units；30- filter layers；31- optical filters；32- colors define structure；321- is black
Matrix；40- thinner package film layers；50- touch-control structures；The first touch control electrodes of 51-；52- second touch control electrodes；521- the second touch-control
Electrode；522- builds bridge；53- insulating layers；531- insulating patterns；60- pixel confining layers；70- spacer materials；80- buffer layers；90-
Protective layer.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of display panel, as shown in Figure 1, being served as a contrast including underlay substrate 10 and setting
Multiple electroluminescence display unit groups 20 on substrate 10, electroluminescence display unit group 20 include multiple for sending out difference
The electroluminescence display unit 21 of color light also sets up filter layer 30 in the light emission side of electroluminescence display unit 21, filters
Layer 30 includes the optical filter 31 that multiple permission different colours light penetrate, the luminous color of electroluminescence display unit 21 and setting
Allow the color of transmitted light identical in the optical filter 31 of 21 light emission side of electroluminescence display unit.
It should be noted that first, the multiple electroluminescence display unit groups 20 being arranged on underlay substrate 10 include
Multiple electroluminescence display units 21 for sending out different colours light, wherein for composition in the utility model embodiment
The quantity and multiple electroluminescence display units 21 of the electroluminescence display unit 21 of electroluminescence display unit group 20 are each
From luminescent color be not specifically limited.Exemplary, display panel can be that RGB color is shown, as shown in Figure 1, electroluminescent
Display unit group 20 is made of three electroluminescence display units 21, including the electroluminescence display unit 21 to glow,
The electroluminescence display unit 21 of green light and the electroluminescence display unit 21 of blue light-emitting.Alternatively, display panel can be with
It is shown for RGBW colours, as shown in Fig. 2, electroluminescence display unit group 20 is made of four electroluminescence display units 21,
It include the electroluminescent of the electroluminescence display unit 21 to glow, the electroluminescence display unit 21, blue light-emitting of green light
Display unit 21 and the electroluminescence display unit 21 to emit white light.Or can also be the electricity of other multiple and different luminescent colors
The electroluminescence display unit group 20 that photoluminescence display unit 21 forms, as long as the colored display of display panel can be realized i.e.
It can.
Second, as shown in Figure 1, electroluminescence display unit 21 light emission side be arranged filter layer 30 include it is multiple can
Through the optical filter 31 of different colours light, optical filter 31 is correspondingly arranged at the light extraction of each electroluminescence display unit 21
Side.Wherein, optical filter 31 needs to make the electroluminescent hair positioned at its projection lower section (below the projection of position relationship as shown in Figure 1)
The light for the corresponding color that light display unit 21 is sent out can penetrate, therefore, the luminous color of electroluminescence display unit 21 with
The optical filter 31 being arranged in 21 light emission side of the electroluminescence display unit allows the color of transmitted light identical.It is exemplary, work as electricity
Photoluminescence display unit group 20 by the electroluminescence display unit 21 of the electroluminescence display unit 21, green light that glow with
And blue light-emitting electroluminescence display unit 21 form when, the electroluminescence display unit 21 to glow light emission side be arranged
Optical filter 31 is Red lightscreening plate 31, i.e., only red light is allowed to penetrate, likewise, in the electroluminescence display unit of green light
The optical filter 31 of 21 light emission side setting is green color filter 31, only green light is allowed to penetrate, in the electroluminescent of blue light-emitting
The optical filter 31 of the light emission side setting of display unit 21 is blue color filter 31, only blue ray is allowed to penetrate.Work as electroluminescent
When further including the electroluminescence display unit 21 to emit white light in display unit group 20, in the electroluminescence display unit 21 to emit white light
Light emission side setting optical filter 31 be transparent filter 31, can allow multi-light mix white light penetrate.
Third, electroluminescence display unit 21 and the correspondence between its corresponding optical filter 31, as long as can make
The light that electroluminescence display unit 21 is sent out is obtained by penetrating outgoing, the utility model in corresponding optical filter 31 to implement
It is not completely corresponding for shape for considered critical in example.Wherein, exemplary, optical filter 31 is on electroluminescence display unit 21
Projected boundary can be slightly less than the size of electroluminescence display unit 21, or the ruler slightly larger than electroluminescence display unit 21
It is very little.
4th, electroluminescence display unit 21 includes anode, cathode and the hair between the anode and the cathode
Photosphere is divided according to luminous principle, and luminescent layer includes organic luminous layer or quantum dot light emitting layer etc., exemplary, to shine
Layer be organic luminous layer for illustrate.For electro-luminescence display device, according to its light direction, it can also be divided into top and shine
It shines two kinds the bottom of with, those skilled in the art are it is to be understood that top shines and bottom shines and is only that cathode and anode relative to luminous
The change of position relationship between layer, principle of luminosity all same.It is illustrated for pushing up and shining below.Under normal conditions,
Metal anode at least in electroluminescence display unit 21 and the easy hair on the reflecting layer between anode and substrate
The phenomenon that raw extraneous natural light reflection.
5th, the material of underlay substrate 10 is not specifically limited in the utility model embodiment.It can be glass base
Plate, or flexible base board can be easy to implement when the underlay substrate 10 in the utility model embodiment is flexible base board
The function that bending even folds.Wherein, those skilled in the art are it is to be understood that underlay substrate 10 as shown in Figure 1, includes at least
Flexible or glass substrate ontology and the backboard for driving electroluminescence display unit group 20 luminous made on substrate and
It protects component, wherein exemplary, backboard can be LTPS backboards, Oxide backboards or organic tft backboard etc., protect component
Bonded by pressure sensitive adhesive or Optical transparent adhesive and underlay substrate 10, protect the making material of component can be polyimides (PI),
Polyethylene terephthalate (PET), poly- naphthoic acid glycol ester (PEN), polyurethane (PU), makrolon (PC) etc..
6th, in the utility model embodiment, the packaged type of display panel is not specifically limited, can be to use
The mode of thin-film package carries out film layer encapsulation after the electroluminescence display unit group 20 that completes on underlay substrate 10, or
Person can also be packaged display panel by the way of cover board encapsulation.
The utility model embodiment provides a kind of display panel, including underlay substrate and is arranged on underlay substrate more
A electroluminescence display unit group, electroluminescence display unit group include multiple electroluminescent for sending out different colours light
Display unit also sets up filter layer in the light emission side of electroluminescence display unit, and filter layer includes multiple permission different colours light
The optical filter that line penetrates, the color and the filter in the electroluminescence display unit light emission side is set that electroluminescence display unit shines
Mating plate allows the color of transmitted light identical.By in the light emission side setting of electroluminescence display unit and electroluminance display list
The luminous corresponding filter set of color of member at filter layer so that the external world passes through filter first by the natural light of light emission side incidence
Photosphere enters inside display panel, is only capable of filtering out most of light through the filter layer of the light of single color, into display
It is lost when the reflection of microcavity of the small part light of panel itself through metal material and electroluminescence cell inside display panel
A part of light, when again passing by filter layer outgoing, what reflection light again passed by filter layer filters out effect, further reduced
It is emitted the intensity of reflected light so that the intensity of reflected light of outgoing is very small, from without rotatory polarization is arranged in display panel again
Piece reduces reflection, has achieved the effect that the thickness of thinned display panel, the display panel of the utility model embodiment for
When Flexible Displays, thinned display panel is easy to bend, and is easy to implement folder function.
Preferably, as shown in figure 3, being provided with color between adjacent optical filter 31 defines structure 32, color defines knot
Structure 32 is for defining two adjacent optical filters 31.
As shown in figure 3, in multiple optical filters 31 of composition filter layer 30, face is set between adjacent two optical filters 31
Color defines structure 32, so, on the one hand, color defines the setting of structure 32, being capable of going out two neighboring pixel unit
Light color is separated, and avoids colour mixture, while avoiding that light leakage occurs at the stitching position between two neighboring optical filter 31, from
And improve the colour developing accuracy of display panel；On the other hand, color define structure 32 can also be for extraneous incident natural light
The reflection problems that may occur at the stitching position between two neighboring optical filter 31 are absorbed, and natural light back projection is avoided
Ring the display effect of display panel.
Further, as shown in figure 3, it includes black matrix 321 that color, which defines structure 32, alternatively, as shown in figure 4, color circle
Determine structure 32 and be overlapped mutually by the edge of two adjacent optical filters 31 to be formed.
As shown in figure 3, black matrix 321 is arranged between two adjacent optical filters 31 defines structure 32 as color, it is black
Matrix 321 can absorb light, on the one hand, avoid occurring at the position of black matrix 321 light of two neighboring pixel unit
Colour mixture problem, on the other hand, at 321 position of black matrix occur natural light reflection, black matrix 321 can be passed through
Absorption, avoid being emitted.
Alternatively, as shown in figure 4, being overlapped mutually by the edge that two neighboring optical filter 31 is arranged, formation color defines knot
Structure 32.Exemplary, green color filter 31 only can be such that green light penetrates, and the light of other colors is absorbed without and can be emitted,
Blue color filter 31 only can be such that blue ray penetrates, and the light of other colors is absorbed without and can be emitted, for green filter
The part that piece 31 and blue color filter 31 are overlapped mutually then can approximately be thought to form effect identical with black matrix 321, i.e.,
Stop that all light penetrate, and the processing step of setting black matrix 321 need not be increased.
Preferably, as shown in figure 5, filter layer 30 is carried by underlay substrate 10, electroluminescence display unit 21 passes through encapsulation
Film layer 40 encapsulates.
As shown in figure 5, filter layer 30 is carried by underlay substrate 10, i.e., filter layer 30 exists with electroluminescence display unit group 20
Successively it is arranged on same underlay substrate 10, then has the electroluminance display for including multiple electroluminescence display units 21 in making
After unit group 20, it is packaged by thinner package film layer 40.Exemplary, the luminescent device of display panel may be used what bottom shone
Form makes filter layer 30 first that is, on underlay substrate 10, is then making the underlay substrate 10 enterprising one for having filter layer 30
Step makes electroluminescence display unit group 20, wherein each electroluminescence display unit 21 in electroluminescence display unit group 20
Luminescent color it is identical as the permeable light color of corresponding filter layer 30, and electroluminescence display unit 21 be bottom hair
That is, as shown by the arrows in Figure 5 light shines towards 10 side of underlay substrate.The display panel of this mode, in manufacturing process steps
On, be first on underlay substrate 10 make by optical filter 31, further include the filter layer 30 that color defines structure 32, normal conditions
Under, it makes filter layer 30 and needs to carry out hot setting to the making material of filter layer 30 at a temperature of more than 200 DEG C, in high temperature
Solidification makes filter layer 30 and then makes anode layer, luminescent layer and the cathode layer in electroluminescence display unit group 20, keeps away
Exempt from hot environment and harmful effect is caused to the hierarchical structure of electroluminescence display unit group 20, to influence adding for display panel
Work yield and display effect.
Further, as shown in fig. 6, filter layer 30 is arranged in electroluminescence display unit 21 away from underlay substrate 10
Side.
As shown in fig. 6, the luminescent device of display panel, using top light-emitting mode, electroluminescence display unit 21 faces away from
The side of underlay substrate 10 shines, and the side for deviating from underlay substrate 10 in electroluminescence display unit 21 is arranged in filter layer 30, i.e.,
The light emission side of electroluminescence display unit 21.Specific making step includes being made on underlay substrate 10 first multiple electroluminescent
Luminescence display unit group 20, then making includes and electricity on making the underlay substrate 10 for having electroluminescence display unit group 20
The filter layer 30 for the optical filter 31 that the luminescent color of photoluminescence display unit 21 matches.Wherein, it is made by changing filter layer 30
Make the additive material in material at being grouped as so that the making temperature of filter layer 30 can be reduced to 100 DEG C or hereinafter, from
And high temperature is avoided to cause to damage to the electroluminescence display unit group 20 to have completed.
Preferably, as shown in figure 8, display panel further includes touch-control structure 50, touch-control structure 50 is arranged in display panel
Portion, and positioned at thinner package film layer 40 away from the side of underlay substrate 10, wherein in order to further decrease touch-control structure 50 to the external world
The reflection of natural light, more preferably, as shown in figure 8, being that touch-control structure 50 is arranged in filter layer 30 close to underlay substrate 10
Side.Color is provided between adjacent optical filter 31 on filter layer 30 and defines structure 32, touch-control structure 50 is in substrate base
Projection on plate 10 defines structure 32 in the drop shadow spread on underlay substrate 10 positioned at color.Preferably, 50 He of touch-control structure
Color defines the making temperature of structure 32 also at 100 DEG C or less.
Further, as shown in fig. 7, touch-control structure 50 includes multiple the first touch control electrodes 51 being mutually parallel and multiple phases
Mutually parallel second touch control electrode 52 is intersected and mutual between multiple first touch control electrodes 51 and multiple second touch control electrodes 52
Insulation.
Exemplary, the touch-control structure 50 of the utility model embodiment uses mutual capacitance type touch control, including intersects and mutually absolutely
The touch control electrode and induction electrode of edge, i.e., the first touch control electrode 51 and second touch control electrode 52 as shown in Figure 7, mutually insulated
The first touch control electrode 51 and the space crossed overlapping of mode that is intersected with ranks of second touch control electrode 52, in the first touch control electrode 51
Mutual capacitance is will produce at each space crossed lap position of second touch control electrode 52, touch control operation is carried out in user
When, at finger touch position, due to the effect of human body electric field, (or second touch for finger and the first touch control electrode 51 for being located above
Control electrode 52) between can form a coupled capacitor, which can be to the first touch control electrode 51 and second touch control electrode 52
Between mutual capacitance size generate capacitance variation influence, to show that finger carries out touch control operation on touch-control structure 50
Specific location coordinate information.
Wherein, intersect and the first touch control electrode 51 and second touch control electrode 52 of mutually insulated can be that different layer is arranged,
Can be that same layer is arranged, between the two adjacent second touch control electrodes 52 that will be separated by the first touch control electrode 51 by bridge formation
Electrical connection, or will be electrically connected between two adjacent the first touch control electrodes 51 separated by second touch control electrode 52.This practicality is new
The type embodiment of specific set-up mode in to(for) touch-control structure 50 does not limit.It is exemplary, as shown in fig. 7, for the first touch-control electricity
Different layer setting, passes through insulation between the first touch control electrode 51 and second touch control electrode 52 between pole 51 and second touch control electrode 52
Layer mutually insulated.
It should be noted that first, Fig. 8 are the broken line sectional views along A1-A2-A3-A4-A5-A6 in Fig. 7, along A1-A2-
The sectional view of the broken line direction of A3-A4-A5-A6 can exist to touch-control structure 50 and touch-control structure 50 with luminescence display unit 21
Concrete embodiment in longitudinal hierarchical relationship.
Second, those skilled in the art it is to be understood that on a display panel be arranged touch-control structure 50 when, a touch-control list
Member is much larger than a pixel unit, it is generally the case that since the touch point of finger or stylus touch control operation is larger, generally will not
It refine in a pixel unit, a touch control unit may include the range of a pixel units up to a hundred, and the utility model is implemented
The Set scale between touch control unit and pixel unit is not particularly limited in example, as long as disclosure satisfy that touch-control requirement i.e.
Can, in Fig. 7 and Fig. 9, for the ease of signal, the schematic diagram shown is that each touch control unit is opposite with a pixel unit
It answers, but not representing the display panel in the utility model embodiment must be with such structure setting.In addition, pixel unit can also
It is not limited to rectangle as depicted in figure 7 and figure 9, it is exemplary, can also be diamond structure etc., to this in the utility model embodiment
It is not especially limited.
Third, in the art in existing film layer encapsulation technology, in order to improve packaging effect, thinner package film layer 40 is usual
For multilayered structure, basic level is the implementation of three laminations of sandwiched organic layer in upper and lower inorganic layer, i.e. inorganic layer/organic
Layer/inorganic layer.Wherein, inorganic layer can be silicon nitride material, silica material, silicon oxy-nitride material or compound above-mentioned material system
The composite layer of work, organic layer can be acrylic materials, the composite layer of epoxide resin material or compound above two material.
On this basis, it is particularly shown in panel for the actual requirement for encapsulating film layer to further increase packaging effect, and combine,
It can also be added and one or more layers atomic layer is set on the architecture basics of above-mentioned three lamination, before and after inorganic layer is set
Sedimentary (ALD), ALD layer can be that the materials such as alumina material or silica make.With in the thinner package of three laminations
At least may include following four setting structure sequence for having additional one layer of ALD layer in film layer.One, inorganic layer/
ALD layer/organic planarization layer/inorganic layer；Two, inorganic layer/organic planarization layer/ALD layer/inorganic layer；Three,
ALD layer/inorganic layer/organic planarization layer/inorganic layer；Four, inorganic layer/organic planarization layer/inorganic layer/atomic layer deposition
Layer.
Further, as shown in figure 9, second touch control electrode 52 include be arranged with 51 same layer of the first touch control electrode it is multiple
By the first touch control electrode 51 second sub- touch control electrode 521 spaced apart, pass through 522 companies of building bridge between the second sub- touch control electrode 521
It connects, as shown in Figure 10, by the way that 53 mutually insulated of insulating layer is arranged between bridge formation 522 and the first touch control electrode 51, alternatively, as schemed
Shown in 11, by the way that 531 mutually insulated of insulating pattern is arranged between bridge formation 522 and the first touch control electrode 51.
As shown in figure 9, the first touch control electrode 51 is arranged with 52 same layer of second touch control electrode, and second touch control electrode 52 is by more
A second sub- touch control electrode 521 interval forms, and is spaced apart by the first touch control electrode 51 between the second sub- touch control electrode 521,
Pass through 522 interconnections of building bridge between the second sub- touch control electrode 521 in 51 both sides of the first touch control electrode.As shown in Figure 10,
By 53 mutually insulated of insulating layer between bridge formation 522 and the first touch control electrode 51, so, the first touch control electrode 51 and second
Space crossed and mutually insulated relationship can be kept between touch control electrode 52, and forms multiple the second of second touch control electrode 52
It is connected with each other between sub- touch control electrode 521 and the bridge formation 522 of two neighboring second sub- touch control electrode 521.Alternatively, such as Figure 11 institutes
Show, mutually insulated between bridge formation 522 and the first touch control electrode 51 can also be made by insulating pattern 531.Insulating layer 53 and insulation
The effect of pattern 531 is will build bridge 522 and first mutually insulated between touch control electrode 51, and the two acts on identical, this field skill
Art personnel can carry out selection setting as needed.
It should be noted that it 522 can be as shown in Figure 10 upper bridging to build bridge, can also by the way of lower bridging,
I.e. insulating layer 53 or insulating pattern 531 are arranged under the first touch control electrode 51 being arranged in same layer and second touch control electrode 52, frame
Two neighboring second sub- touch control electrode 521 is connected by bridge 522 by way of crossing over insulating layer 53 or insulating pattern 531 downwards
It connects, bridge formation 522 is not specifically limited for upper bridging or lower bridging in the utility model embodiment, those skilled in the art can
To be specifically arranged according to actual needs.
In addition, exemplary, the touch-control structure 50 of bridging form may be arranged as the structure as shown in Figure 12 d.Specifically
, first, as figure 12 a shows, thin-film package is carried out to the electroluminescence display unit group 20 being produced on underlay substrate 10,
I.e. after setting thinner package film layer 40, the first layer of touch control electrode layer is made first.Then, as shown in Figure 12b, in touch control electrode layer
First layer on be arranged black matrix 321.As shown in fig. 12 c, at the edge of black matrix 321, making forms the second layer, third layer
Touch control electrode layer, to the second touch control electrode 52 for the multilayered structure that completes.As shown in figure 12d, then black matrix 321 it
The first touch control electrode 51 of upper making, wherein insulate between the first touch control electrode 51 and second touch control electrode 52, taken with forming multilayer
The touch-control structure 50 of bridge form.
Preferably, insulating layer 53 or insulating pattern 531 make for organic material.
Insulating layer 53 or insulating pattern 531 can be inorganic material making, such as silicon nitride, silicon oxynitride, silica etc..
More preferred, insulating layer 53 or insulating pattern 531 select organic material to make, such as acrylic resin, epoxy resin, silica
Alkane resin etc. is used since organic material has preferable stress absorption performance in the display panel of the utility model embodiment
Flexible substrate, when being used for folding display panel, when carrying out bending operation to display panel, the insulating layer 53 of organic material
Or insulating pattern 531 can preferably absorb stress, reduce and generate stress cracking inside display panel since stress is excessive
Risk.
Further, as shown in figure 13, it is provided with color between adjacent optical filter 31 and defines structure 32, the first touch-control
Electrode 51 and second touch control electrode 52 define 32 mutually insulated of structure by color.
First touch control electrode 51 and second touch control electrode 52 define 32 mutually insulated of structure by color, exemplary, such as scheme
Shown in 13, the first touch control electrode 51 and the setting of 52 same layer of second touch control electrode, the first touch control electrode 52 include that multiple second sons touch
It controls electrode 521 and connects the bridge formation 522 of two adjacent the second sub- touch control electrodes 521, wherein by making the first touch control electrode
51 are separately positioned on the both sides that color defines structure 32 with bridge formation 522 so that the first touch control electrode 51 and second touch control electrode 52
Between mutually insulated, so, it is not necessary to increase the hierarchical structure of insulating layer 53 or insulating pattern 531 in touch-control structure 50,
Structure 32 is defined as insulating layer 53 or insulating pattern 531, so as to reduce the utility model embodiment using color
Display panel thickness.
Preferably, as shown in fig. 6, being additionally provided with the pixel confining layer 60 comprising multiple openings on underlay substrate 10, electricity
Photoluminescence display unit 21 is arranged in aperture position, it is preferred that pixel confining layer 60 is made by light screening material.
As shown in fig. 6, the aperture position in pixel confining layer 60, and pixel confining layer is arranged in electroluminescence display unit 21
60 are made of light screening material, so, in the display panel of extraneous natural light incidence the utility model embodiment, wherein
Being irradiated in the light at 60 position of pixel confining layer can be absorbed by light blocking material blocks, new to further avoid this practicality
The reflected ambient light phenomenon of the display panel of type embodiment.
Further, as shown in figure 14, spacer material 70 is additionally provided in pixel confining layer 60, it is preferred that spacer material 70
Top surface area be more than base area.
So, as shown in figure 14, due to layer that thinner package film layer 40 is connected with electroluminescence display unit group 20
Material bonding is not secured enough between grade, when the display panel to the utility model embodiment carries out bending operation, in thinner package
Stripping is easy tod produce between the level that film layer 40 is connected with electroluminescence display unit group 20, make electroluminescence layer be easier by
It to the erosion of water, oxygen, fails so as to cause entire display panel, the spacer material 70 that base area is more than using top surface area can
Between the reduction level that thinner package film layer 40 is connected with electroluminescence display unit group 20 when bending operation to display panel
Peeling-off risk.
It should be noted that the shape of the spacer material 70 of the utility model embodiment is not limited to the ladder that falls as shown in figure 14
Shape, as long as so that the shape of spacer material 70 meets top surface area and is more than base area.For example, the shape of the vertical view of spacer material
Shape can be circle, square, rectangle, ellipse etc..The density that spacer material 70 is arranged in the embodiments of the present invention
It does not limit.
Preferably, as shown in fig. 6, being provided with color between adjacent optical filter 31 defines structure 32, color defines knot
Structure 32 includes black matrix 321.Projection of the black matrix 321 on underlay substrate 10 is with pixel confining layer 60 on underlay substrate 10
Projected position corresponds to.
So, the projection due to black matrix 321 on underlay substrate 10 and pixel confining layer 60 are in underlay substrate 10
On projected position correspond to, for the natural light being incident to inside the display panel of the utility model embodiment, additionally it is possible to pass through
Black matrix 321 is blocked and is absorbed, and the display effect for influencing display panel is emitted to avoid reflected light.
Further, as shown in figure 15, electroluminescence display unit 21 is encapsulated by thinner package film layer 40, in touch-control knot
Buffer layer 80 is additionally provided between structure 50 and thinner package film layer 40.
So, as shown in figure 15, by the way that buffer layer 80 is arranged between touch-control structure 50 and thinner package film layer 40,
Enabling to the display panel of the utility model embodiment, user is when carrying out touch control operation, touch control operation in actual use
The buffering decrease of buffer layer 80 can be passed through by applying active force on a display panel, to reduce the active force of touch control operation to aobvious
Show that the encapsulation sealing effect of the thinner package film layer 40 of panel exerts an adverse impact.
Preferably, as shown in figure 15, protective layer 90 is additionally provided on filter layer 30.
So, protective layer 90 can carry out effectively the filter layer 30 of setting under it and touch-control structure 50
Protection, avoids touch control operation from improving the display surface of the utility model embodiment to the damage of filter layer 30 and touch-control structure 50
The service life of filter layer 30 and touch-control structure 50 in plate.
Further, protective layer 90 passes through Optical transparent adhesive (OCA) or optical clear resin (OCR) or sub- quick glue (PSA)
It pastes and fixes between the touch operation surface of touch-control structure 50.Wherein, protective layer 90 could be provided as one or more layers.
The thickness of the setting level quantity of protective layer 90 and protective layer 90 is not done in the utility model embodiment and is had
Body limits, since protective layer 90 is arranged for flood, in order to avoid the picture that protective layer 90 influences display panel is shown, and protective layer 90
It should be transparent material making.Fixed unstable mistake occurs between protective layer 90 and the other structures of display panel in order to reduce
Position, fall off problem, it is preferred that uses Optical transparent adhesive, optical clear resin or sub- quick glue by protective layer 90 and touch-control structure 50
Touch operation surface between paste and fix, will not be right since Optical transparent adhesive, optical clear resin or sub- quick glue are also transparence
The display of display panel impacts.Wherein, the setting thickness of Optical transparent adhesive, optical clear resin or sub- quick glue does not also limit
It is fixed, as long as can ensure to be fixedly secured between protective layer 90 and touch-control structure 50.Wherein, protective layer 90 can use packet
Include the making of the materials such as polyimides, polyurethane.
In addition, in the display panel of the utility model embodiment, except hierarchical structure shown in above description, that is, attached drawing with
Outside, further include other film layer structures for supporting display panel normally to show, it is exemplary, as shown in figure 16, in functional film layer 02
The sub- quick glue-line 01 of setting, is arranged underlay substrate 10 on sub- quick glue-line 01, and underlay substrate 10 includes flexible or glass substrate sheet
Body and the backboard being arranged on flexible or glass substrate ontology and its protection component, on underlay substrate 10, setting is electroluminescent
The hierarchical structure of luminescence display unit group 20, wherein shown due to usually dividing to have display area and surround on a display panel
The frame region in region, electroluminescence display unit group 20 are arranged in the display area of display panel, are also set up in frame region
There is metal routing 03, on the underlay substrate 10 for being provided with electroluminescence display unit group 20 and metal routing 03, passes through encapsulation
Film layer 40 is packaged, and setting buffer layer is after 80s in thinner package film layer 40, then touch-control structure 50 and filter layer 30 is arranged.Its
In, the one of which set-up mode that filter layer 30 is only the utility model embodiment is set again after touch-control structure 50 is first set,
It is aforementioned to further including both thering are other be stacked relationship in the illustrating of touch-control structure 50 and filter layer 30.Normal conditions
Under, in order to reduce the light leakage phenomena in display floater frame region, screening can be set in the position of frame region and 30 same layer of filter layer
Photo structure 04 reduces the reflection of metal routing external environmental light, the typically black matrix of light-shielding structure 04.In order to further carry
Height blocks the effect of light leakage, as shown in figure 16, can also be while filter layer 30 are arranged in display area, in the black of frame region
It is stacked the filter layer stack structure of one or more layers different colours on matrix as light-shielding structure 04, is hidden with further increasing
The extinction effect of photo structure 04 reduces reflection of the frame region to external environmental light, increases the light-shielding structure 04 of frame region
Blackness and display effect.
The another aspect of the utility model embodiment provides a kind of display device, includes the display panel of any of the above-described.
The display device of the utility model embodiment includes the display panel of above-mentioned any one, due in display panel
Pass through the light emission side setting filter corresponding with the color that electroluminescence display unit 21 shines in electroluminescence display unit 21
The filter layer 30 that mating plate 31 forms so that the extraneous natural light by light emission side incidence enters display device by filter layer 30 first
Inside, after internal metal material reflection, when again passing by filter layer 30 and being emitted, reflection light by optical filter 31 is in and filter
The light of 31 corresponding color of the mating plate and light sent out with corresponding position electroluminescence display unit 21 is emitted jointly, can will
Reflection light is adjusted to the emergent ray for realizing display, from without setting rotatory polarization piece reduces in a display device again
Reflection, only so that the thickness of display device is thinned, the display device of the utility model embodiment subtracts when for Flexible Displays
Thin display device is easy to bend, and is easy to implement folder function.
It is above-mentioned to the illustrating of display panel in, to the aobvious of the display panel including the utility model embodiment
Showing device is described in detail, and details are not described herein again.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (15)
1. a kind of display panel, including underlay substrate and multiple electroluminescence display units for being arranged on the underlay substrate
Group, the electroluminescence display unit group include multiple electroluminescence display units for sending out different colours light；It is special
Sign is：
Filter layer is also set up in the light emission side of the electroluminescence display unit, the filter layer includes multiple permission different colours
The optical filter that light penetrates, the luminous color of the electroluminescence display unit is with setting in the electroluminescence display unit light extraction
The optical filter of side allows the color of transmitted light identical.
2. display panel according to claim 1, which is characterized in that be provided with color between the adjacent optical filter
Structure is defined, the color defines structure for defining two adjacent optical filters.
3. display panel according to claim 2, which is characterized in that it includes black matrix that the color, which defines structure,；Alternatively,
The color, which defines structure and is overlapped mutually by the edge of two adjacent optical filters, to be formed.
4. display panel according to claim 1, which is characterized in that the filter layer is carried by the underlay substrate；Institute
Electroluminescence display unit is stated to encapsulate by thinner package film layer.
5. display panel according to claim 4, which is characterized in that the filter layer is arranged in the electroluminance display
Unit deviates from the side of the underlay substrate.
6. display panel according to any one of claims 1 to 5, which is characterized in that the display panel further includes touch-control
Structure, the touch-control structure are arranged inside the display panel, are provided between adjacent optical filter on the filter layer
Color defines structure, and projection of the touch-control structure on the underlay substrate is located at the color and defines structure in the substrate
In drop shadow spread on substrate.
7. display panel according to claim 6, which is characterized in that the touch-control structure includes multiple to be mutually parallel
One touch control electrode and multiple second touch control electrodes being mutually parallel, the multiple first touch control electrode and the multiple second touch-control
Intersection and mutually insulated between electrode.
8. display panel according to claim 7, which is characterized in that the second touch control electrode includes being touched with described first
Control multiple the second sub- touch control electrodes being spaced apart by first touch control electrode of electrode same layer setting, the second sub- touch-control electricity
It is connected between pole by building bridge, it is mutual by the way that insulating layer or insulating pattern is arranged between the bridge formation and first touch control electrode
Insulation.
9. display panel according to claim 7, which is characterized in that be provided with color between the adjacent optical filter
Structure is defined, first touch control electrode and the second touch control electrode define structure mutually insulated by the color.
10. display panel according to claim 1, which is characterized in that be additionally provided on the underlay substrate comprising more
The pixel confining layer of a opening, the electroluminescence display unit are arranged at the position of the opening, the pixel confining layer
It is made by light screening material.
11. display panel according to claim 10, which is characterized in that be additionally provided with dottle pin in the pixel confining layer
The top surface area of object, the spacer material is more than base area.
12. display panel according to claim 10, which is characterized in that be provided with face between the adjacent optical filter
Color defines structure, and it includes black matrix that the color, which defines structure,；
Projection and pixel confining layer projection position on the underlay substrate of the black matrix on the underlay substrate
Set correspondence.
13. display panel according to claim 6, which is characterized in that the electroluminescence display unit passes through thinner package
Film layer encapsulates, and buffer layer is additionally provided between the touch-control structure and the thinner package film layer.
14. display panel according to claim 6, which is characterized in that be additionally provided with protective layer on the filter layer；Institute
Protective layer is stated to fix by pasting between Optical transparent adhesive or sub- quick glue and the touch operation surface of the touch-control structure；
Wherein, the protective layer could be provided as one or more layers.
15. a kind of display device, which is characterized in that include the display panel such as any one of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049683.3U CN207834302U (en) | 2018-01-11 | 2018-01-11 | A kind of display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820049683.3U CN207834302U (en) | 2018-01-11 | 2018-01-11 | A kind of display panel and display device |
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| CN207834302U true CN207834302U (en) | 2018-09-07 |
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| CN201820049683.3U Active CN207834302U (en) | 2018-01-11 | 2018-01-11 | A kind of display panel and display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108054191A (en) * | 2018-01-11 | 2018-05-18 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| CN110323355A (en) * | 2019-04-25 | 2019-10-11 | 昆山工研院新型平板显示技术中心有限公司 | A kind of OLED display panel and OLED display |
| WO2020189407A1 (en) * | 2019-03-19 | 2020-09-24 | ソニーセミコンダクタソリューションズ株式会社 | Display device and electronic apparatus |
| CN111816681A (en) * | 2020-06-29 | 2020-10-23 | 合肥维信诺科技有限公司 | OLED display panel and OLED display device |
| CN113219719A (en) * | 2021-04-23 | 2021-08-06 | 成都中电熊猫显示科技有限公司 | Backlight module, liquid crystal module and display device |
| US11315986B2 (en) * | 2018-12-28 | 2022-04-26 | Lg Display Co., Ltd. | Touch display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108054191A (en) * | 2018-01-11 | 2018-05-18 | 京东方科技集团股份有限公司 | A kind of display panel and display device |
| WO2019137086A1 (en) * | 2018-01-11 | 2019-07-18 | 京东方科技集团股份有限公司 | Display panel and display device |
| US11832494B2 (en) | 2018-01-11 | 2023-11-28 | Boe Technology Group Co., Ltd. | Display panel and display device for thinning a thickness of a display |
| US11315986B2 (en) * | 2018-12-28 | 2022-04-26 | Lg Display Co., Ltd. | Touch display device |
| WO2020189407A1 (en) * | 2019-03-19 | 2020-09-24 | ソニーセミコンダクタソリューションズ株式会社 | Display device and electronic apparatus |
| US12004403B2 (en) | 2019-03-19 | 2024-06-04 | Sony Semiconductor Solutions Corporation | Display device and electronic apparatus |
| CN110323355A (en) * | 2019-04-25 | 2019-10-11 | 昆山工研院新型平板显示技术中心有限公司 | A kind of OLED display panel and OLED display |
| CN111816681A (en) * | 2020-06-29 | 2020-10-23 | 合肥维信诺科技有限公司 | OLED display panel and OLED display device |
| CN111816681B (en) * | 2020-06-29 | 2023-06-20 | 合肥维信诺科技有限公司 | OLED display panel and OLED display device |
| CN113219719A (en) * | 2021-04-23 | 2021-08-06 | 成都中电熊猫显示科技有限公司 | Backlight module, liquid crystal module and display device |
| CN113219719B (en) * | 2021-04-23 | 2023-06-30 | 成都京东方显示科技有限公司 | Backlight module, liquid crystal module and display device |
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