CN110061038A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN110061038A CN110061038A CN201910344397.9A CN201910344397A CN110061038A CN 110061038 A CN110061038 A CN 110061038A CN 201910344397 A CN201910344397 A CN 201910344397A CN 110061038 A CN110061038 A CN 110061038A
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- viewing area
- display panel
- layer
- light
- underlay substrate
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of display panel and display devices.The display panel includes viewing area, and the viewing area includes the first viewing area and the second viewing area；The display panel further includes underlay substrate and organic luminescent device layer, the organic luminescent device layer is located on the underlay substrate, the organic luminescent device layer includes multiple organic light-emitting units, and the density of the organic light-emitting units in first viewing area is less than the density of the organic light-emitting units in second viewing area；The light transmission rate of first viewing area is greater than the light transmission rate of second viewing area.Technical solution provided in an embodiment of the present invention, enable the first viewing area through a large amount of light, and then when display panel is provided with optical electron element away from its light-emitting surface side in the first viewing area, optical electron element can receive sufficient light quantity, and then reach the beneficial effect for promoting its own performance.
Description
Technical field
The present embodiments relate to field of display technology more particularly to a kind of display panel and display devices.
Background technique
Organic light-emitting display device have can self-luminous without the advantages such as backlight, low in energy consumption and brightness is high, it is extensive
Applied in various electronic devices.
Continuous improvement with user to high screen accounting demand, shielding lower optical electron element organic light-emitting units device becomes
Research hotspot is shown specifically, shielding lower optical electron element organic light-emitting units and optical electron element being set in viewing area
Panel deviates from the side of its light-emitting surface, is influenced by organic light-emitting units in display panel, the light that optical electron element receives
It is bright less, it is unable to satisfy its normal work demand.
Summary of the invention
Present invention offer shows a kind of panel and display device, so that display panel shines away from it in the first viewing area
When face side is provided with optical electron element, optical electron element can receive sufficient light quantity, and then reach and promote it certainly
The beneficial effect of body performance.
In a first aspect, the embodiment of the invention provides a kind of display panel, including viewing area, the viewing area include first
Viewing area and the second viewing area；
The display panel further includes underlay substrate and organic luminescent device layer, and the organic luminescent device layer is located at described
On underlay substrate, the organic luminescent device layer includes multiple organic light-emitting units, described organic in first viewing area
The density of luminescence unit is less than the density of the organic light-emitting units in second viewing area；
The light transmission rate of first viewing area is greater than the light transmission rate of second viewing area.
Second aspect, the embodiment of the invention also provides a kind of display devices, including display described in above-mentioned first aspect
Panel.
Display panel provided in an embodiment of the present invention includes viewing area, and viewing area includes the first viewing area and the second display
Area, display panel further include underlay substrate and organic luminescent device layer, and organic luminescent device layer is located on underlay substrate, You Jifa
Optical device layer includes multiple organic light-emitting units, and the density of the organic light-emitting units in the first viewing area is less than in the second viewing area
Organic light-emitting units density, by be arranged the first viewing area light transmission rate be greater than the second viewing area light transmission rate, make
A large amount of light can be penetrated by obtaining the first viewing area, and then is worked as display panel in the first viewing area and be provided with away from its light-emitting surface side
When optical electron element, optical electron element can receive sufficient light quantity, and then reach and promote the beneficial of its own performance
Effect.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 2 is structural schematic diagram in dotted line frame in Fig. 1；
Fig. 3 is the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Fig. 4 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Fig. 5 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Fig. 6 is the schematic diagram of the section structure of the dotted line CD along Fig. 2；
Fig. 7 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Fig. 8 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Fig. 9 is the structural schematic diagram of second electrode in a kind of first viewing area provided in an embodiment of the present invention；
Figure 10 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Figure 11 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Figure 12 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2；
Figure 13 is a kind of schematic diagram of display panel provided in an embodiment of the present invention；
Figure 14 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to the specific embodiment of a kind of display panel proposed according to the present invention and display device, structure,
Feature and its effect, detailed description is as follows.
The embodiment of the invention provides a kind of display panel, including viewing area, the viewing area include the first viewing area and
Second viewing area；
The display panel further includes underlay substrate and organic luminescent device layer, and the organic luminescent device layer is located at described
On underlay substrate, the organic luminescent device layer includes multiple organic light-emitting units, described organic in first viewing area
The density of luminescence unit is less than the density of the organic light-emitting units in second viewing area；
The light transmission rate of first viewing area is greater than the light transmission rate of second viewing area.
Display panel provided in an embodiment of the present invention includes viewing area, and viewing area includes the first viewing area and the second display
Area, display panel further include underlay substrate and organic luminescent device layer, and organic luminescent device layer is located on underlay substrate, You Jifa
Optical device layer includes multiple organic light-emitting units, and the density of the organic light-emitting units in the first viewing area is less than in the second viewing area
Organic light-emitting units density, by be arranged the first viewing area light transmission rate be greater than the second viewing area light transmission rate, make
A large amount of light can be penetrated by obtaining the first viewing area, and then is worked as display panel in the first viewing area and be provided with away from its light-emitting surface side
When optical electron element, optical electron element can receive sufficient light quantity, and then reach and promote the beneficial of its own performance
Effect.
It is the core concept of the application above, following will be combined with the drawings in the embodiments of the present invention, to the embodiment of the present invention
In technical solution be clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Under the premise of dynamic, every other embodiment obtained be shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other embodiments, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case where culvert, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only, table
The schematic diagram of showing device device architecture not makees partial enlargement according to general proportion, and the schematic diagram is example,
This should not limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and height should be included in actual fabrication
Size.
Fig. 1 is a kind of structural schematic diagram of display panel provided in an embodiment of the present invention.As shown in Figure 1, display panel 1 wraps
Viewing area 2 is included, viewing area 2 includes the first viewing area 10 and the second viewing area 20.Fig. 2 is structural schematic diagram in dotted line frame in Fig. 1.
Fig. 3 is the schematic diagram of the section structure of the dotted line AB along Fig. 2.As shown in figure 3, display panel further includes underlay substrate 110 and organic
Light emitting device layer 120, organic luminescent device layer 120 are located on underlay substrate 110, and organic luminescent device layer 120 has including multiple
Machine luminescence unit 121.Referring to fig. 2, the density of the organic light-emitting units 121 in the first viewing area 10 is less than in the second viewing area 20
Organic light-emitting units 121 density, with continued reference to Fig. 3, the light transmission rate of the first viewing area 10 is greater than the second viewing area 20
Light transmission rate, specifically, Fig. 3 identifies light with line segment with the arrow, arrow direction represents the direction of propagation of light.
It should be noted that 121 region of organic light-emitting units is non-transparent region, therefore, organic light-emitting units 121
Density it is bigger, the light transmission rate in corresponding region is lower, it is seen then that organic light-emitting units 121 is close in the first viewing area 10
Under the premise of degree is less than 121 density of organic light-emitting units in the second viewing area 20, the light transmission rate of the first viewing area 10 must be big
Light transmission rate in the second viewing area 20.It is understood that can also change to the film layer structure in the first viewing area 10
Into illustratively, being thinned or remove in the first viewing area 10 extremely to further increase the light transmission rate of the first viewing area 10
Small part transparent film layer.
With continued reference to Fig. 3, display panel further includes the encapsulated layer 210 opposite with underlay substrate 110.Illustratively, it encapsulates
Layer 210 can be rigid package substrate, as shown in Figure 3；It may be flexible package film, the present embodiment does not limit this specifically
It is fixed.
Display panel provided in this embodiment includes viewing area, and viewing area includes the first viewing area 10 and the second viewing area
20, display panel further includes underlay substrate 110 and organic luminescent device layer 120, and organic luminescent device layer 120 is located at underlay substrate
On 110, organic luminescent device layer 120 includes multiple organic light-emitting units 121, the organic light-emitting units in the first viewing area 10
121 density less than the organic light-emitting units 121 in the second viewing area 20 density, by be arranged the first viewing area 10 light it is saturating
The light transmission rate that rate is greater than the second viewing area 20 is crossed, enables the first viewing area 10 through a large amount of light, and then it is aobvious to work as first
When showing that display panel is provided with optical electron element away from its light-emitting surface side in area 10, optical electron element, which can receive, to be filled
The light quantity of foot, and then reach the beneficial effect for promoting its own performance.
With continued reference to Fig. 2 and Fig. 3, the first viewing area 10 includes transparent area 11 and alternatively non-transparent district 12, in the first viewing area 10
Interior, signal wire 301 and organic light-emitting units 121 between organic light-emitting units 121 are respectively positioned on alternatively non-transparent district 12.It needs to illustrate
, to simplify attached drawing structure, Fig. 3 only illustrates the signal wire 301 in the first viewing area 10, actual display panel structure
In, signal wire 301 is also equipped in the second viewing area 20.
Fig. 4 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2.As shown in figure 4, display panel 1 further includes inclined
Mating plate 130, polaroid 130 are located at the side of the organic luminescent device layer 120 far from underlay substrate 110, and polaroid 130 includes
First engraved structure 131, upright projection of first engraved structure 131 on underlay substrate 110 is at least with transparent area 11 in substrate
Perpendicular projection overlapping on substrate 110.
It should be noted that the present embodiment is not construed as limiting the positional relationship of the first engraved structure 131 and transparent area 11, it is all
It is that there are the schemes of overlapping part in the protection scope of the present embodiment for the first engraved structure 131 and transparent area 11, it is exemplary
, the first engraved structure 131 can be with the first viewing area 10 on underlay substrate 110 in the upright projection on underlay substrate 110
Upright projection be overlapped, as shown in Figure 4.It should be noted that the polaroid in transparent area 11 is complete in structure shown in Fig. 4
Removal, and the first engraved structure 131 is a relatively large single structure of area, is convenient for molding in technique.
It should also be noted that, polaroid 130 can be handled circularly polarized light as linearly polarized light, the treatment process of above-mentioned light
Middle light loss is close to 50%, it is seen then that 130 pairs of light of polaroid have certain barrier effect, therefore, remove any in transparent area 11
The polaroid 130 of arbitrary area, which can reach, at position increases the region light transmission rate, and then increases the first viewing area 11
The beneficial effect of light transmission rate, so all first engraved structures 131 and transparent area 11 have the case where overlapping part in this reality
It applies in the protection scope of example.
Further, Fig. 5 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2.As shown in figure 5, the first hollow out
Structure 131 is Chong Die with upright projection of the transparent area 11 on underlay substrate 110 in the upright projection on underlay substrate 110.
It should be noted that on the one hand such setting remains the polaroid 130 in alternatively non-transparent district 12, first is avoided
When in viewing area 10 without polaroid 130, the biggish metal surface extraneous ray of reflecting of reflectivity causes to use in the first viewing area 10
Family can obviously observe the shadow of oneself in display panel, reduce user experience, on the other hand, influence the first viewing area 10
The polaroid 130 of light transmission rate is only located in alternatively non-transparent district 12, so that the polaroid 130 in above-mentioned set-up mode in transparent area 11
It completely removes, and then reduces influence of the polaroid 130 to 10 light transmission rate of the first viewing area to the full extent.
It is worth noting that, Fig. 3, Fig. 4 and Fig. 5 are the schematic diagram of the section structure of the dotted line AB along Fig. 2, in the first display
In area 10, hatching AB passes through signal wire 301, and in the second viewing area 20, hatching AB passes through organic light-emitting units 121, is
Simplify attached drawing structure, signal wire 301 and organic light-emitting units 121 is only illustrated in figure, therefore the two seems same layer setting, but real
Signal wire 301 and the different layer of organic light-emitting units 121 are arranged in border, and attached drawing is only used as schematic diagram example herein, not fully with display
The practical structures of panel are identical.
Fig. 6 is the schematic diagram of the section structure of the dotted line CD along Fig. 2.As shown in fig. 6, display panel 1 further includes black matrix 302
And chromatic filter layer, black matrix 302 and chromatic filter layer are located at alternatively non-transparent district 12, chromatic filter layer includes multiple colorized optical filtering blocks
313, black matrix 302 limits multiple pixel regions 310, and an organic light-emitting units 121 and a coloured silk is arranged in each pixel region 310
Color optical filtering block 313, in same pixel region 310, colorized optical filtering block 313 is located at organic light-emitting units 121 far from underlay substrate 110
Side；Black matrix 302 covers signal wire 301.
It should be noted that in same pixel region 310, the color of colorized optical filtering block 313 and the hair of organic light-emitting units 121
Light color is identical, on the one hand above-mentioned set-up mode makes in the alternatively non-transparent district of not set polaroid, and colorized optical filtering block 313 is colored
The filter action of optical filtering block 313 can be avoided the higher metal surface reflection natural light of 12 internal reflection rate of alternatively non-transparent district, and then keep away
Exempt from reflected light and enter human eye to cause user that can observe the shadow of oneself in display panel 1 and influence display effect, and
Since the second viewing area 20 is provided with polaroid, there is no the above problem, the first viewing area 10 and the second viewing areas 20 there is display
Difference, above-mentioned set-up mode can also reduce the display difference of the first viewing area 10 and the second viewing area 20, promote display panel
Homogeneity, on the other hand enable black matrix 302 to cover the gap between adjacent signals line 301, avoid above-mentioned smaller
Gap to the diffraction of extraneous incidence natural lights, and then when being provided with optical electron element in the first viewing area 10, optics electricity
The light that subcomponent receives do not include diffraction light, improve optical electron element testing to signal clarity.
Fig. 7 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2.As shown in fig. 7, viewing area includes the first display
Area 10 and the second viewing area 20, the first viewing area 10 include alternatively non-transparent district 12 and transparent area 11, and organic luminescent device layer 120 includes
Multiple organic light-emitting units 121, further include planarization layer 405 and pixel defining layer 406, and planarization layer 405 is located at multiple organic
For luminescence unit 121 close to the side of underlay substrate 110, pixel defining layer 406 limits multiple 121 locations of organic light-emitting units
Domain, organic light-emitting units 121 include first electrode 504, organic luminescence function layer 505 and the second electrode 506 stacked gradually,
The second electrode 506 of multiple organic light-emitting units 121 is connected to the second electrode lay 510, the second electrode in transparent area 11
Thickness of the thickness of layer 510 less than the second electrode lay 510 in the second viewing area 20.
Illustratively, first electrode 504 and second electrode 505 can be respectively anode and cathode.
It should be noted that second electrode 505 is semi-transparent configuration, there is certain barrier effect to light, by transparent area
The second electrode lay 510 in 11, which is thinned, can reduce blocking of the second electrode lay 510 to light in the region, and then promote light transmission
The light transmission rate in area 11, since the transparent area 11 in the first viewing area 10 is unique light-permeable region, 11 light of transparent area is saturating
The promotion of rate is crossed so that the light transmission rate of the first viewing area 10 is promoted, and then display panel 1 deviates from hair in the first viewing area 10
When smooth surface side is provided with optical electron element, optical electron element can receive more light quantities to promote its device
Energy.
Optionally, Fig. 8 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2.As shown in figure 8, alternatively non-transparent district 12
The thickness of interior the second electrode lay 510 is equal to the thickness of the second electrode lay 510 in transparent area 11.
It should be noted that it is such setting so that using photoetching technique be thinned the second electrode lay 510 when, second electrode
Layer 510 can correspond to a mask aperture in exposure mask version to weakened region, and the size of the mask aperture can do larger, reduction
The preparation difficulty of exposure mask version.
Referring to Fig. 8, the second electrode lay with a thickness of a, in the second viewing area 20 of the second electrode lay 510 in transparent area 11
510 with a thickness of b, the value range of a/b is 1/2~2/3.
It should be noted that the thickness thinning of the second electrode lay 510 is excessive to will lead to the first viewing area 10 and the second display
The luminance difference of organic light-emitting units 121 increases in area 20, and then increases the display of the first viewing area 10 and the second viewing area 20
Difference on effect, the thickness thinning of the second electrode lay 510 is too small to will lead to the effect of the increase to the light transmission rate of the first viewing area 11
It is unobvious, it is demonstrated experimentally that the thickness thinning of the second electrode lay 510 can either effectively increase when the value range of a/b is 1/2~2/3
The light transmission rate of big first viewing area 10, but the display effect that can reduce between the first viewing area 10 and the second viewing area 20 is poor
It is different.
Optionally, Fig. 9 is the structural schematic diagram of second electrode in a kind of first viewing area provided in an embodiment of the present invention.Such as
Shown in Fig. 9, along the edge P of the first viewing area and the second viewing area be directed toward the first viewing area geometric center O direction X, second
The thickness of electrode layer 510 is gradually thinned.
It is understood that the thinned terminal of the second electrode lay 510 can position in the other embodiments of the present embodiment
Between the geometric center O of edge P and the first viewing area, terminal is thinned to the region between the geometric center O of the first viewing area
Middle the second electrode lay 510 with a thickness of certain value.
It should be noted that under the action of the electric field that organic luminescence function layer is formed between the first electrode and the second electrode
It shines, to light organic light-emitting units, light emission luminance of organic light-emitting units etc. is between parameters and first electrode and second electrode
Electric field it is related, and in the case where first electrode voltage is constant, the electric field is related to the voltage in second electrode, second electrode
On voltage be equal to the product by the electric current of its cross section and its resistance, conventional display panels are using electric current driving, therefore, second
After electrode is thinned, the electric current by second electrode section is constant, but resistance increases, and causes between first electrode and second electrode
Electric field changes, and the light emission luminance of organic light-emitting units generates in organic light-emitting units and the second viewing area in the first viewing area
Difference, and then the first viewing area and the second viewing area is caused display difference occur.
Above-mentioned set-up mode makes along the geometry that the edge P of the first viewing area and the second viewing area is directed toward the first viewing area
The thickness in the direction of heart O, the second electrode lay 510 is gradually reduced, the display difference platform between the first viewing area and the second viewing area
Rank reduces, and reduces the thinned influence to display panel display effect of the second electrode lay 510, the user experience is improved.
Figure 10 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2.As shown in Figure 10, second in transparent area 11
Electrode layer 510 with a thickness of 0.
It should be noted that such setting is so that the second electrode lay 510 in transparent area 11 is completely removed, so that the
Two electrode layers 510 are preferably minimized the reduction effect of 10 light transmission rate of the first viewing area, so that effective increase the first display
The light transmission rate in area 10 deviates from the optical electron element of its light-emitting surface side setting conducive to display panel 1 in the first viewing area 10
Performance promotion.In addition, second electrode 506 in such setting in the first viewing area 10 in organic light-emitting units 121
Thickness can be equal with 506 thickness of second electrode of organic light-emitting units 121 in the second viewing area 20, and then reduces the first display
The display difference in area 10 and the second viewing area 20.
Figure 11 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2.As shown in figure 11, it is set on underlay substrate 110
It is equipped with pixel circuit layer 140, pixel circuit layer 140 is between underlay substrate 110 and organic luminescent device layer 120.Pixel electricity
Road floor 140 includes the active layer 501 set gradually on display panel light direction Z, gate insulating layer 401, gate metal
Layer 502, interlayer insulating film 410, source-drain electrode metal layer 503 and passivation layer 404, planarization layer 405, pixel defining layer 406,
At least one film layer in gate insulating layer 401, interlayer insulating film 410 and passivation layer 404 includes the second engraved structure 132,
Second engraved structure 132 falls within upright projection of the transparent area 11 on underlay substrate 110 in the upright projection on underlay substrate 110
In the range of.
As shown in figure 11, interlayer insulating film 410 includes the first interlayer insulating film 402 and the second interlayer insulating film 403.
It should be noted that planarization layer 405, pixel defining layer 406, gate insulating layer 401, interlayer insulating film 410 with
And passivation layer 404 is light-permeable film layer, but light transmission rate is unable to reach 100%, and certain barrier effect is all had to light,
One or more film layers can reach light in the first viewing area 10 of increase in above-mentioned film layer in reduction at least partly transparent area 11
The beneficial effect of transmitance.
It should also be noted that, Figure 11 is only illustrated for removing the passivation layer 404 in transparent area 11 and non-technical
The restriction of scheme, in the other embodiments of the present embodiment, the number of plies of the light-permeable film layer removed in transparent area 11 and position
Setting can also be other situations, and above-mentioned multiple light-permeable film layers have the case where removal part all in this reality in all transparent areas 11
It applies in the protection scope of example.
Figure 12 is another the schematic diagram of the section structure of the dotted line AB along Fig. 2.On the basis of the display panel shown in Figure 11,
As shown in figure 12, buffer layer 407 is provided between underlay substrate 110 and pixel circuit layer 140.Buffer layer 407 includes multiple the
Three engraved structures 133, upright projection of the third engraved structure 133 on underlay substrate 110 fall within transparent area 11 in underlay substrate
Within the scope of upright projection on 110.
It should be noted that buffer layer 407 is light-permeable film layer, but light transmission rate is unable to reach 100%, has one to light
Fixed barrier effect, promotion 10 light of the first viewing area transmission can be reached by removing the buffer layer 407 at least partly transparent area 11
The beneficial effect of rate.
Figure 13 is a kind of schematic diagram of display panel provided in an embodiment of the present invention.As shown in figure 13, the first viewing area 10
For showing one of electricity symbol, clock symbol and Internet symbolic or a variety of as notification bar.
It should be noted that Figure 13 for showing two symbols 601 of the same race only by the first viewing area 10 for being illustrated
And it is non-limiting, all first viewing areas 10 are used to show the scheme of various independent symbols in the protection scope of the present embodiment.
It should also be noted that, it is such setting so that the first viewing area 10 and the second viewing area 20 show respectively it is different
Picture, and then the display effect difference of the first viewing area 10 and the second viewing area 20 is reduced, improve the usage experience of user.
It is worth noting that, being thinned or removing the first electrode layer at least partly transparent area, at least partly light transmission is removed
Planarization layer, pixel defining layer, gate insulating layer, layer insulation in polaroid in area, and removal at least partly transparent area
One or more film layers in layer and passivation layer can reach the beneficial effect for promoting the first viewing area light transmission rate, on
It states in the mode of three kinds of first viewing area light transmission rates of promotion and is applied to same display jointly any, any two or three
In panel, situation shown in attached drawing is not limited to the present embodiment, those skilled in the art can select suitably to combine according to actual needs
Mode promotes the light transmission rate of the first viewing area.
It should also be noted that, quantity of the present embodiment to the organic light-emitting units in the first viewing area and the second viewing area
And arrangement mode is not especially limited, and is not limited to the present embodiment situation shown in attached drawing.
Figure 14 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention.As shown in figure 14, display device 3
Including display panel 1 described in any embodiment of that present invention.
With continued reference to Figure 14, display device 3 further includes optical electron element 31, and optical electron element 31 is located at the first display
Area 10, and optical electron element 31 is located at the side of light-emitting surface of the underlay substrate 110 far from display panel 1.
It should be noted that since the first viewing area 10 and the second viewing area 20 can be used in showing, so that display surface
Plate 1 is able to carry out full screen display, and then obtains comprehensive screen display device.
Illustratively, optical electron element 31 may include camera module, photosensitive sensors and ultrasonic distance sensor
One of or it is a variety of.
For example, display device 3 can be mobile phone or plate, and when optical electron element 31 is camera module, the first display
Area 10 corresponds to the front camera region of mobile phone or plate, and the alternatively non-transparent district in the first viewing area 10 is used to show,
Transparent area in first viewing area 10 is for acquiring external image for front camera in incident ray to front camera；
And when optical electron element 31 is photosensitive sensors, photosensitive sensors can be for incuding extraneous light, to display device 3
The photosensitive sensors that are adjusted of brightness, be also possible to for incude it is external whether have fingerprint, to carry out fingerprint recognition
Photosensitive sensors；Photosensitive sensors receive extraneous light also by the transparent area of the first viewing area 10, are then sensed, and
The alternatively non-transparent district of first viewing area 10 is used to carry out display image together with the second viewing area 20.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (15)
1. a kind of display panel, it is characterised in that,
The display panel includes viewing area, and the viewing area includes the first viewing area and the second viewing area；
The display panel further includes underlay substrate and organic luminescent device layer, and the organic luminescent device layer is located at the substrate
On substrate, the organic luminescent device layer includes multiple organic light-emitting units, the organic light emission in first viewing area
The density of unit is less than the density of the organic light-emitting units in second viewing area；
The light transmission rate of first viewing area is greater than the light transmission rate of second viewing area.
2. display panel according to claim 1, which is characterized in that first viewing area includes transparent area and non-transparent
Area, in first viewing area, signal wire and the organic light-emitting units between the organic light-emitting units are respectively positioned on
The alternatively non-transparent district；The display panel further includes polaroid, and the polaroid is located at the organic luminescent device layer far from institute
State the side of underlay substrate；
The polaroid includes the first engraved structure, and upright projection of first engraved structure on the underlay substrate is at least
It is Chong Die with perpendicular projection of the transparent area on the underlay substrate.
3. display panel according to claim 2, which is characterized in that first engraved structure is on the underlay substrate
Upright projection it is Chong Die with upright projection of the transparent area on the underlay substrate.
4. display panel according to claim 2, which is characterized in that the display panel further includes black matrix and colored filter
Photosphere, the black matrix and the chromatic filter layer are located at the alternatively non-transparent district；The chromatic filter layer includes multiple colored filters
Light block, the black matrix limit multiple pixel regions, and the organic light-emitting units and one is arranged in each pixel region
The colorized optical filtering block, in the same pixel region, the colorized optical filtering block is located at the organic light-emitting units far from described
The side of underlay substrate；The black matrix covers the signal wire.
5. display panel according to claim 2, which is characterized in that the organic luminescent device layer further includes planarization layer
And pixel defining layer, the planarization layer are located at multiple organic light-emitting units close to the side of the underlay substrate, it is described
Pixel defining layer limits multiple organic light-emitting units regions, and the organic light-emitting units include stacked gradually
The second electrode of one electrode, organic luminescence function layer and second electrode, multiple organic light-emitting units is connected with each other
For the second electrode lay；
The thickness of the second electrode lay in the transparent area is less than the second electrode lay in second viewing area
Thickness.
6. the display panel according to requiring 5, which is characterized in that along the side of first viewing area and second viewing area
Edge is directed toward the direction of the geometric center of first viewing area, and the thickness of the second electrode lay is gradually thinned.
7. display panel according to claim 5, which is characterized in that the second electrode lay in the alternatively non-transparent district
Thickness is equal to the thickness of the second electrode lay in the transparent area.
8. display panel according to claim 5, which is characterized in that the thickness of the second electrode lay in the transparent area
Degree is a, the second electrode lay in second viewing area with a thickness of b, the value range of a/b is 1/2~2/3.
9. display panel according to claim 5, which is characterized in that the thickness of the second electrode lay in the transparent area
Degree is 0.
10. display panel according to claim 1 to 9, which is characterized in that be provided on the underlay substrate
Pixel circuit layer, the pixel circuit layer is between the underlay substrate and the organic luminescent device layer；
The pixel circuit layer include the active layer set gradually on the display panel light direction, gate insulating layer,
Gate metal layer, interlayer insulating film, source-drain electrode metal layer and passivation layer, the planarization layer, the pixel defining layer, institute
Stating at least one film layer in gate insulating layer, the interlayer insulating film and the passivation layer includes the second engraved structure, institute
Stating the second engraved structure, in the upright projection on the underlay substrate to fall within the transparent area vertical on the underlay substrate
In the range of projection.
11. display panel according to claim 10, which is characterized in that the underlay substrate and the pixel circuit layer it
Between be provided with buffer layer；
The buffer layer includes multiple third engraved structures, upright projection of the third engraved structure on the underlay substrate
It falls within the scope of the upright projection of the transparent area on the first substrate.
12. display panel according to claim 1, which is characterized in that first viewing area is used for aobvious as notification bar
Show one of electricity symbol, clock symbol and Internet symbolic or a variety of.
13. a kind of display device, which is characterized in that including display panel described in claim 1-12 any one.
14. display device according to claim 13, which is characterized in that it further include optical electron element, the optics electricity
Subcomponent is located at first viewing area, and the optical electron element is located at the underlay substrate far from the display panel
The side of light-emitting surface.
15. display device according to claim 14, which is characterized in that the optical electron element include camera module,
One of photosensitive sensors and ultrasonic distance sensor are a variety of.
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| CN201910344397.9A CN110061038B (en) | 2019-04-26 | 2019-04-26 | Display panel and display device |
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| CN201910344397.9A CN110061038B (en) | 2019-04-26 | 2019-04-26 | Display panel and display device |
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| CN110061038B CN110061038B (en) | 2021-08-06 |
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