CN109065588A - A kind of OLED display panel and OLED display - Google Patents
A kind of OLED display panel and OLED display Download PDFInfo
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- CN109065588A CN109065588A CN201810900958.4A CN201810900958A CN109065588A CN 109065588 A CN109065588 A CN 109065588A CN 201810900958 A CN201810900958 A CN 201810900958A CN 109065588 A CN109065588 A CN 109065588A
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 160
- 239000000758 substrate Substances 0.000 claims abstract description 49
- 230000035807 sensation Effects 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 20
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 230000001965 increasing effect Effects 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241001025261 Neoraja caerulea Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/40—OLEDs integrated with touch screens
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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
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- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses a kind of OLED display panel and OLED display, the OLED display panel, including viewing area, it include substrate in viewing area, substrate includes first part and second part, second part is correspondingly arranged on buffer layer, and first part is fingerprint identification region, and viewing area further includes pixel defining layer and multiple spacers in pixel defining layer.In viewing area, in the plane, the boundary line of first part and second part is the first boundary line for institute, with region of the minimum range in the first boundary line within the scope of pre-determined distance is first area in viewing area；Remaining region of viewing area is second area；Wherein, the density of the spacer in first area, is greater than, the density of the spacer in second area, and density is the area of the corresponding spacer of display panel unit area.Namely increase the density of spacer by the near edge locations in fingerprint identification region, thus enhance the mechanical strength of marginal position, the problem for avoiding OLED display abnormal.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of OLED display panels and OLED display.
Background technique
It is aobvious that Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) is also known as organic electric laser
Show, organic luminous semiconductor.OLED display technology have self-luminous, wide viewing angle, almost infinite high contrast, compared with low power consumption,
The advantages that high reaction speed.OLED display technology widely applies to mobile phone, DV, DVD player, personal digital assistant
(PDA), laptop, automobile audio and TV.Since OLED display does not need to be additionally provided backlight, OLED is aobvious
Showing device is very thin very light.And since OLED can be fabricated in soft organic light-emitting display device, OLED is answered extensively
In foldable display technology.
As the function of display device increases gradually, individual privacy becomes the content for needing to lay special stress on protecting, in the prior art
Increase setting fingerprint identification module in the display devices such as mobile phone, tablet computer, display device unlocked by fingerprint identification module,
It is used with providing the owner of display device.
In order to expand the area of display area, fingerprint identification module is integrated in OLED display panel in the prior art,
But due to the difference between fingerprint identification module and non-fingerprint identification module, it may appear that during OLED is shown, fingerprint recognition
The abnormal phenomenon of module edge region display.
Summary of the invention
In view of this, the present invention provides a kind of OLED display panel and OLED display, to solve in the prior art
The abnormal problem of fingerprint identification module fringe region display in OLED display panel.
To achieve the above object, the invention provides the following technical scheme:
A kind of OLED display panel, comprising: viewing area；
The viewing area includes:
Substrate, the substrate includes the first surface and second surface being oppositely arranged, and the substrate includes first part
And second part；
The multiple sub-pixels being arranged in array positioned at the substrate second surface；
Positioned at the pixel defining layer of the substrate second surface, it is provided in the pixel defining layer multiple through the picture
The opening of plain definition layer, the corresponding sub-pixel of an opening；
Multiple spacers of non-open areas in the pixel defining layer；
Positioned at the buffer layer of the first surface of the substrate second part；
Wherein, viewing area institute in the plane, the boundary line of the first part and the second part is first
Boundary line with region of the minimum range in first boundary line within the scope of pre-determined distance is first area in the viewing area；Institute
Remaining region for stating viewing area is second area；
The density of spacer in the first area, is greater than, the density of the spacer in the second area, described close
Degree is the area that the corresponding spacer of the display panel unit area is contacted with the pixel defining layer.
The present invention also provides a kind of OLED displays, including OLED display panel recited above.
It can be seen via above technical scheme that OLED display panel provided by the invention, including viewing area, viewing area Zhong Bao
Substrate is included, the substrate includes first part and second part, and second part is correspondingly arranged on buffer layer, and first part is fingerprint
Identification region, viewing area further include pixel defining layer and multiple spacers in pixel defining layer.It is put down where viewing area
On face, the boundary line of first part and second part is the first boundary line, and the minimum range in viewing area with the first boundary line is default
Region in distance range is first area；Remaining region of viewing area is second area；Wherein, the spacer in first area
Density, be greater than, the density of the spacer in second area, density be the corresponding spacer of display panel unit area face
Product.Namely increase the density of spacer by the near edge locations in fingerprint identification region, to enhance fingerprint identification region
The mechanical strength of marginal position avoids in doing mechanical strength verifying or normal use process, due to the side of fingerprint identification region
There is the problem that spacer damage is serious, causes OLED display abnormal in edge position.
The present invention also provides a kind of OLED displays, including OLED display panel recited above, refer to due to increasing
The density of the spacer of line identification region marginal position, enhances the mechanical strength of fingerprint identification region marginal position, can drop
The spacer of low fingerprint identification region marginal position damages, so as to improve the fingerprint identification region marginal position of OLED display
Display.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the OLED display panel overlooking structure diagram provided in the prior art；
Fig. 2 is the OLED display panel sectional view that AA ' line obtains along Fig. 1；
Fig. 3 is a kind of OLED display panel overlooking structure diagram provided in the embodiment of the present invention；
Fig. 4 is the OLED display panel the schematic diagram of the section structure of BB ' line along Fig. 3 provided in the embodiment of the present invention；
Fig. 5 is the distribution schematic diagram of spacer in second area provided in an embodiment of the present invention；
Fig. 6 is the distribution schematic diagram of spacer in a kind of first area provided in the embodiment of the present invention；
Fig. 7 is the distribution schematic diagram of spacer in another first area provided in an embodiment of the present invention；
Fig. 8 is the distribution schematic diagram of spacer in another first area provided in the embodiment of the present invention；
Fig. 9 is the structural schematic diagram that first part AA1 provided in an embodiment of the present invention is imaging region；
Figure 10 is another OLED display panel overlooking structure diagram provided in the embodiment of the present invention；
Figure 11 is a kind of OLED display structural schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Just as described in the background section, the OLED display panel for being integrated with fingerprint identification module in the prior art is being shown
In the process, it is easy to appear the abnormal phenomenon of fingerprint identification module fringe region display.
Inventor has found that the reason of above-mentioned phenomenon occur is that referring to Figure 1, Fig. 1 is that the OLED provided in the prior art is shown
Show panel overlooking structure diagram, as shown in Figure 1, OLED display panel includes viewing area AA, viewing area AA includes first part
AA1 and second part AA2, wherein first part AA1 is fingerprint identification region；Fig. 2 is referred to, Fig. 2 is OLED display panel edge
The sectional view that AA ' line obtains in Fig. 1；The corresponding stacked structure of first part AA1 includes that (the mould group is usually to show to mould group 02
The structures such as the battery of device), the light sensation fingerprint Identification sensor 03 above mould group 02, the light sensation fingerprint Identification sensor
03 for realizing fingerprint recognition, the substrate 05 above light sensation fingerprint Identification sensor 03, the OLED above substrate 05
Luminescence unit 06 and pixel defining layer 07, the spacer 08 in pixel defining layer 07, and covering OLED light emitting unit 06
Cover board 09；The corresponding stacked structure of second part AA2 includes: mould group 02, the foamed cotton layer 04 above mould group 02, is located at bubble
The substrate 05 of 04 top of cotton layer, OLED light emitting unit 06 and pixel defining layer 07 above substrate 05 are located at pixel definition
Spacer 08 on layer 07, and the cover board 09 of covering OLED light emitting unit 06.
Since the corresponding position of light sensation fingerprint Identification sensor 03 does not have foamed cotton layer, so that light sensation fingerprint Identification sensor 03
The region corresponding first part AA1 is not identical as the stacked structure in the region second part AA2, and mechanical performance verifying and after
In continuous OLED fingerprint identification area normal use process, the marginal position 01 (as shown in Figure 1) in the region first part AA1, side is
It is buffered with foamed cotton layer, and the other side is that no foamed cotton layer is buffered, to cause the region first part AA1
Marginal position 01 other regions or is had buffer layer, or do not have buffer layer, but the stress being subject to by stress difference
Uniformly, the stress in bulk zone is identical.Therefore, the stress that the marginal position in the region first part AA1 is subject to is greater than other areas
The stress in domain so that it is more serious to cause the spacer of first part's AA1 edges of regions position to damage, and then influences OLED and shows
The display of panel, so that the display of corresponding light sensation fingerprint identification region marginal position is abnormal.
Based on this, the present invention provides a kind of OLED display panel, comprising: viewing area；
The viewing area includes:
Substrate, the substrate includes the first surface and second surface being oppositely arranged, and the substrate includes first part
And second part；
The multiple sub-pixels being arranged in array positioned at the substrate second surface；
Positioned at the pixel defining layer of the substrate second surface, it is provided in the pixel defining layer multiple through the picture
The opening of plain definition layer, the corresponding sub-pixel of an opening；
Multiple spacers of non-open areas in the pixel defining layer；
Positioned at the buffer layer of the first surface of the substrate second part；
Wherein, viewing area institute in the plane, the boundary line of the first part and the second part is first
Boundary line with region of the minimum range in first boundary line within the scope of pre-determined distance is first area in the viewing area；Institute
Remaining region for stating viewing area is second area；
The density of spacer in the first area, is greater than, the density of the spacer in the second area, described close
Degree is the area that the corresponding spacer of the display panel unit area is contacted with the pixel defining layer.
OLED display panel provided by the invention, including viewing area, include substrate in viewing area, and the substrate includes first
Part and second part, second part are correspondingly arranged on buffer layer, and first part is fingerprint identification region, and viewing area further includes picture
Plain definition layer and multiple spacers in pixel defining layer.Viewing area institute in the plane, first part and second part
Boundary line be the first boundary line, with region of the minimum range in the first boundary line within the scope of pre-determined distance be the firstth area in viewing area
Domain；Remaining region of viewing area is second area；Wherein, the density of the spacer in first area, is greater than, in second area
The density of spacer, density are the area of the corresponding spacer of display panel unit area.Namely by fingerprint identification region
Near edge locations increase spacer density avoided to enhance the mechanical strength of fingerprint identification region marginal position
It does in mechanical strength verifying or normal use process, since there is spacer damage seriously in the marginal position of fingerprint identification region,
The problem for causing OLED display abnormal.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 3 and Fig. 4 are referred to, Fig. 3 is a kind of OLED display panel plan structure signal provided in the embodiment of the present invention
Figure；Fig. 4 is the OLED display panel the schematic diagram of the section structure of BB ' line along Fig. 3 provided in the embodiment of the present invention；The OLED
Display panel, including viewing area；Viewing area includes:
Substrate 5, substrate 5 includes the first surface 51 and second surface 52 being oppositely arranged, and substrate 5 includes first part
AA1 and second part AA2；
The multiple sub-pixels 6 being arranged in array positioned at 5 second surface 52 of substrate；
Positioned at the pixel defining layer 7 of 5 second surface 52 of substrate, it is provided in pixel defining layer 7 multiple through pixel definition
The opening of layer 7, the corresponding sub-pixel 6 of an opening；
Multiple spacers (81 and 82) of non-open areas in pixel defining layer 7；
Positioned at the buffer layer 4 of the first surface of 5 second part AA2 of substrate；
Wherein, Fig. 3 is referred to, in the plane, the boundary line of first part AA1 and second part AA2 are for institute in viewing area
First boundary line 1 with region of the minimum range in the first boundary line 1 within the scope of pre-determined distance D is first area C1 in viewing area；It is aobvious
Remaining region for showing area is second area C2；
The density of spacer 81 in the C1 of first area, is greater than, the density of the spacer 82 in second area C2, spacer
Density be the area that is contacted with pixel defining layer of the corresponding spacer of display panel unit area.
The concrete shape of spacer is not limited in the embodiment of the present invention, it should be noted that spacer is in pixel defining layer
On play the role of support, determine on the one hand spacer is the shape of spacer, still further aspect master to the supporting role of cover board 9
If the contact area of spacer and pixel defining layer, when the area that spacer is contacted with pixel defining layer is larger, support is made
With relatively by force, when the area that spacer is contacted with pixel defining layer is smaller, the supporting role of spacer is smaller, in general, being spaced
When the material of object determines, the area contacted by the way that spacer is arranged with pixel defining layer can design spacer with different
Mechanical strength.Therefore, the area that corresponding spacer is contacted with pixel defining layer in unit area on display panel, namely interval
Object density can embody the mechanical strength of spacer.
It should be noted that the OLED display panel provided in the present embodiment includes at least viewing area, it can also include non-
Viewing area namely rim area, the non-display area can surround the viewing area, can also be only located at the side or two of viewing area
Side does not limit this in the present embodiment.With the development shielded comprehensively, optionally, OLED display panel is complete in the present embodiment
Face display panel, namely only include the display panel of viewing area.
It should be noted that the second surface 52 of substrate 5 is additionally provided with thin-film transistor structure (in Fig. 4 in the present embodiment
It is not shown), it is controlled for realizing to the sub-pixel being arranged in array.Namely substrate 5 is array substrate in the present embodiment
Substrate.
Pass through the friendship in the second part with buffer layer and the first part without buffer layer in the embodiment of the present invention
Boundary namely spacer PS damage position the most serious and nearby increase setting spacer, improve display panel unit plane
The density of spacer in product avoids doing mechanical strength verifying or normal use process to increase the mechanical strength in the region
In, since there is the problem that spacer damage is serious, causes OLED display abnormal in the marginal position of fingerprint identification region.
The specific range of the pre-determined distance is not limited in the present embodiment, it should be noted that inventor is in invention process
In by experiment be verified, with buffer layer second part and the first part without buffer layer boundary line position
(namely first Boundary) is that spacer PS damages the most serious position, and centered on the first Boundary, to vertical
In on the direction that the both sides in the first boundary line extend, the degree of impairment of spacer PS gradually weakens, until disappearing.
And the OLED display panel of different resolution, the damage of the first Boundary interval around object PS gradually weaken until
The case where disappearance, is not identical, for example, the spacing between adjacent pixel is smaller, and spacer is set in the higher display panel of resolution ratio
During meter, relative to the lower display panel of resolution ratio, spacer distribution is more concentrated, the interval near the first Boundary
Object extends outwardly along the first boundary line, and the spacer regions being damaged are smaller, i.e., in the farther away local spacer in the first boundary line of distance
Substantially not damaged, therefore, pre-determined distance can be oppositely arranged smaller；And display panel lower for resolution ratio, due to
Sub-pixel area is larger, and pel spacing is larger, and number of spacers is relatively fewer, and the spacer near impaired spacer also will receive
Involve, therefore, the spacer range being damaged is wider, and therefore, the value of pre-determined distance can be set relatively large.In the present embodiment
Optionally, pre-determined distance is 10-15 pel spacing, for the different display panel of different resolution ratio, pel spacing, is preset
The value of distance can comprehensively consider and then make a change.
The density for not limiting spacer in first area in the embodiment of the present invention is greater than spacer density in second area
Specific implementation.A kind of implementation can be with are as follows: in first area and second area in unit area spacer number phase
Together, the contact area of single spacer and pixel defining layer is all larger than single spacer and pixel in second area in first area
The contact area of definition layer.Another implementation can be with are as follows: the contact surface of all spacers and pixel defining layer in viewing area
Product is all the same；The number of the corresponding spacer of a sub-pixel in first area, is greater than, a sub-pixel pair in second area
The number for the spacer answered.Other implementation can be with are as follows: increases of the spacer in first area in unit area
Number, meanwhile, increase the contact area of each spacer and pixel defining layer in first area.That is, between single in first area
The contact area of parting and pixel defining layer is all larger than the contact area of single spacer and pixel defining layer in second area；And
The number of spacer in first area, is greater than, the number of the spacer in second area.
With reference to the accompanying drawing, the spacer distribution situation in the present embodiment is illustrated with detailed product structure.
Fig. 5 is referred to, Fig. 5 is the distribution schematic diagram of spacer in second area provided in an embodiment of the present invention；Secondth area
Include multiple sub-pixels in domain, does not limit the arrangement mode of multiple sub-pixels in the present embodiment, it is optionally, as shown in Figure 5, more
A sub-pixel includes for emitting the first sub-pixel R of red light, the second sub-pixel G for emitting green light and is used for
Emit the third sub-pixel B of blue ray.In the present embodiment, as shown in figure 5, multiple sub-pixels include that Y is successively in a second direction
Repeat the first rows P1, the second rows P2, third rows P3, the 4th rows P4, the 5th son of setting
Pixel column P5 and the 6th rows P6.
Wherein, the first rows P1 includes multiple along the first sub-pixel R, the second rows P2 of first direction X arrangement
Including multiple the second sub-pixel G along first direction X arrangement；Third rows P3 includes multiple arranging along first direction X
Third sub-pixel B；4th rows P4 includes multiple along first direction X the first sub-pixel R of arrangement, the 5th rows P5 packet
Include multiple the second sub-pixel G along first direction X arrangement；6th rows P6 includes multiple along the of first direction X arrangement
Three sub-pixel B.
It should be noted that the projection on X in a first direction, also i.e. by multiple sub-pixels, Y projection is arrived in a second direction
Third after on first direction X, in the projection of the first sub-pixel R in the first rows P1 and third rows P3
The projection of pixel B and the projection of the second sub-pixel G in the 5th rows P5 overlapping；In second rows P2
In the projection of two sub-pixel G and the projection of the first sub-pixel R in the 4th rows P4 and the 6th rows P6
The projection of third sub-pixel B is overlapped；And second the second sub-pixel G in rows P2 is located at phase in the first rows P1
Between two the first sub-pixel R of neighbour.
In other embodiments of the invention, the arrangement mode of multiple sub-pixels can also be other arrangement modes, such as RGB
Arrangement mode or Pentile arrangement mode etc., are not described in detail this in the present embodiment.
It should be noted that in the present embodiment second area divider distribution situation are as follows: in the second rows P2
The second sub-pixel G and the 4th rows P4 in the first sub-pixel R between region be provided with spacer 82, the 5th sub- picture
The region between the first sub-pixel R in the second sub-pixel G and the first rows P1 in plain row P5 is provided with spacer 82,
As shown in Figure 5, the corresponding spacer of every 3 sub-pixels.And as shown in Figure 5, pel spacing J is 51.5 μm；Secondth area
The contact area of single spacer 82 and pixel defining layer is 28.25 μm * 9.5 μm in domain, that is, along the length of first direction X
L2 is 28.25 μm, and the width W2 of Y is 9.5 μm in a second direction.
The embodiment of the present invention provides a kind of OLED display panel, refers to Fig. 6, and Fig. 6 is to provide in the embodiment of the present invention
The distribution schematic diagram of spacer in a kind of first area；Wherein, the arrangement mode of multiple sub-pixels and the secondth area in first area
The arrangement mode of multiple sub-pixels uses identical arrangement mode in domain.
It is spaced in the distribution mode of the spacer in first area provided in the present embodiment and second area shown in fig. 5
The distribution mode of object is identical, unlike, the contact area of spacer and pixel defining layer in first area is greater than the secondth area
The contact area of domain divider and pixel defining layer.
Optionally, it is illustrated so that pel spacing is 51.5 μm as an example, as shown in Figure 6, first area in the present embodiment
In spacer 81 and pixel defining layer contact area be 51.25 μm * 14.5 μm；Wherein, length of the spacer along first direction X
Spending L1 is 51.25 μm, and the length W1 of Y is 14.5 μm in a second direction.
The contact area of spacer and pixel defining layer in comparison diagram 5 in second area, provided in the present embodiment
The contact area of spacer 81 and pixel defining layer in one region is greater than spacer 82 and pixel defining layer in second area
Contact area.
It should be noted that in the present embodiment without limitation to the specific size of spacer, the above is only for example, another
Outside, it is only illustrated so that pel spacing is 51.5 μm as an example in the present embodiment, in other embodiments of the invention, according to OLED
The resolution ratio of display panel is different, and pel spacing can also be other numerical value, not limit this in the present embodiment.Different pixels
The size of the OLED display panel divider of spacing is not also identical.
Since the contact area of spacer and pixel defining layer increases in first area, so that spacer phase in first area
Bigger stress is able to bear for the spacer in second area, to avoid first area OLED display panel mechanical strong
When degree verifying or in subsequent fingerprint identification process, the spacer in first area is caused to damage, causes first area OLED aobvious
Show the problem of Display panel exception.
The embodiment of the present invention also provides a kind of OLED display panel, refers to Fig. 7, and Fig. 7 is provided in an embodiment of the present invention
The distribution schematic diagram of spacer in another first area；Wherein, the arrangement mode of multiple sub-pixels and second in first area
The arrangement mode of multiple sub-pixels uses identical arrangement mode in region.
The contact area of spacer 81 and pixel defining layer and shown in fig. 5 the in the first area provided in the present embodiment
Two region dividers 82 are identical as the contact area of pixel defining layer namely W1=W2；L1=L2；Unlike, this implementation
Number of the number of spacer 81 more than spacer 82 in second area shown in fig. 5 in the first area provided in example.
As shown in fig. 7, the spacer provided in the present embodiment is in addition to the second sub-pixel G and in the second rows P2
The region between the first sub-pixel R in four rows P4 is provided with spacer 81, the second son in the 5th rows P5
The region between the first sub-pixel R in pixel G and the first rows P1 is provided with except spacer 81, in first area
Interval is also equipped between third sub-pixel B in the first sub-pixel R in first rows P1 and third rows P3
Object 81；It is also set between the second sub-pixel G in the third sub-pixel B and the 5th rows P5 in third rows P3 simultaneously
It is equipped with spacer 81.
That is, as shown in fig. 7, in the viewing area of entire display panel each spacer the contact surface with pixel defining layer
Product is 28.25 μm * 9.5 μm, but corresponding 2 spacers 81 of every 3 sub-pixels in first area, and every 3 in second area
Sub-pixel corresponds to 1 spacer 82, by increasing the quantity of setting spacer in first area, improves in first area and is spaced
The ability that object meets with stresses, thus avoid first area OLED display panel mechanical strength verifying when or subsequent fingerprint identified
Cheng Zhong causes to damage to the spacer in first area, the problem for causing OLED display panel display in first area abnormal.
It should be noted that in other embodiments of the invention, the distribution of the spacer newly increased can also be arranged in
Between other sub-pixels or the length direction of spacer is arranged in a second direction, and adjacent the two of a certain rows are arranged in
It is not limited this in the present embodiment between a sub-pixel.
Furthermore it is also possible to continue growing the number of spacer in first area on the basis of shown in Fig. 7, such as a son
Pixel corresponds to 1 spacer, to further increase the number of spacer in first area, improves spacer in first area and holds
By the ability of stress, do not limited this in the present embodiment.
The embodiment of the present invention also provides a kind of OLED display panel, refers to Fig. 8, and Fig. 8 is to provide in the embodiment of the present invention
Another first area in spacer distribution schematic diagram；In the present embodiment, single spacer and pixel are fixed in first area
The contact area of adopted layer is all larger than the contact area of single spacer and pixel defining layer in second area；And in first area
The number of spacer, is greater than, the number of the spacer in second area.
As shown in figure 8, when pel spacing is 51.5 μm, contact of the single spacer with pixel defining layer in first area
Area is 51.25 μm * 14.5 μm；The contact area of single spacer and pixel defining layer is 28.25 μm of * 9.5 μ in second area
m；And corresponding 2 spacers of 3 sub-pixels in the first area；Corresponding 1 spacer of 3 sub-pixels in second area；?
That is also adding the number of spacer on the basis of increasing the size of each spacer.So that being spaced in first area
Object is able to bear bigger stress relative to the spacer in second area, to avoid first area OLED display panel in machine
When tool strength modification or in subsequent fingerprint identification process, the spacer in first area is caused to damage, leads to first area
The abnormal problem of OLED display panel display.
It should be noted that the concrete form of the corresponding fingerprint identification area in first part region is not limited in the present embodiment,
Optionally, Fig. 3 and Fig. 4 are referred to, first part AA1 is light sensation fingerprint identification area, accordingly, the first part AA1's of substrate 5
First surface 51 is additionally provided with photosensitive sensors chip 3, and the light sensation of photosensitive sensors chip 3 is facing towards substrate.In addition, referring to figure
9, Fig. 9 be the structural schematic diagram that first part AA1 provided in an embodiment of the present invention is imaging region, in the other embodiment of the present invention
In, first part AA1 can also be imaging region, and accordingly, the first surface 51 of the first part AA1 of substrate 5, which is additionally provided with, to be taken the photograph
As mould group 3 ', the surface of the reception light of camera module 3 ' is towards substrate 5.
The shape of first part is not limited in the present embodiment, the shape of the first part can be rectangle, in Fig. 3
Shown in the region first part AA1, corresponding first area is rectangle frame, as shown in the first area region C1 in Fig. 3, described
Rectangle frame is twice of the circular frame that border width is the pre-determined distance D.In other embodiments of the present invention, such as Figure 10 institute
Show, Figure 10 is another OLED display panel overlooking structure diagram provided in the embodiment of the present invention；The first part AA1
Shape can also be round, then corresponding first area C1 is annulus.In other embodiments of the invention, described first
The shape divided can also be the shapes such as ellipse or the square with chamfering, be not construed as limiting in the present embodiment to this.
The area of first part is not limited in the present embodiment, it should be noted that the first part is fingerprint identification area,
Optionally, the area of first part can be similar with the area of finger when fingerprint recognition, for example, the first part of rectangle
Area is 1cm*1cm, and the diameter of circular first part is greater than or equal to 0.5cm, and is less than or equal to 1cm；Fingerprint identification area
Area may be set to be the area greater than the finger, as rectangle first part area be greater than 1cm*1cm, specific fingerprint
The area of cog region can be configured according to actual needs in practice.
The specific material of the buffer layer 4 of the unlimited first surface 51 for being positioned at 5 second part AA2 of substrate in the embodiment of the present invention
Matter, optionally, the material of buffer layer 4 are foam.Buffer layer can also be other structures, this reality in other embodiments of the present invention
It applies in example and this is not construed as limiting.
OLED display panel provided by the invention, including viewing area, include substrate in viewing area, and the substrate includes first
Part and second part, second part are correspondingly arranged on buffer layer, and first part is fingerprint identification region, and viewing area further includes battle array
Column substrate, pixel defining layer and multiple spacers in pixel defining layer.Viewing area institute in the plane, first part and
The boundary line of second part is the first boundary line, the region in viewing area with the minimum range in the first boundary line within the scope of pre-determined distance
For first area；Remaining region of viewing area is second area；Wherein, the density of the spacer in first area, is greater than, and second
The density of spacer in region, density are the area of the corresponding spacer of display panel unit area.Namely by fingerprint
The near edge locations of identification region increase the density of spacer, so that the machinery for enhancing fingerprint identification region marginal position is strong
Degree avoids in doing mechanical strength verifying or normal use process, since spacer occurs in the marginal position of fingerprint identification region
Damage is serious, the problem for causing OLED display abnormal.
The embodiment of the present invention also provides a kind of OLED display, and as shown in figure 11, Figure 11 provides for the embodiment of the present invention
A kind of OLED display structural schematic diagram；The OLED display 100 includes OLED described in above example aobvious
Show panel, the OLED display panel includes viewing area AA.OLED display described in the present embodiment can be with frame
Display device, can also not have the display device of frame, such as screen structure comprehensively, this is not construed as limiting in the present embodiment.
It should be noted that not limiting the specific structure of the OLED display in the present embodiment, can be such as Fig. 9 institute
The mobile phone shown can also be tablet computer, television set, display device of intelligent wearable device etc..
OLED display provided in an embodiment of the present invention, including OLED display panel described in above example, by
In the density for the spacer for increasing fingerprint identification region marginal position, the machinery for enhancing fingerprint identification region marginal position is strong
Degree can reduce the spacer damage of fingerprint identification region marginal position, so as to improve the fingerprint identification area of OLED display
The display of domain marginal position.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that article or equipment including a series of elements not only include those elements, but also
It including other elements that are not explicitly listed, or further include for this article or the intrinsic element of equipment.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that in the article including above-mentioned element
Or there is also other identical elements in equipment.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (17)
1. a kind of OLED display panel characterized by comprising viewing area；
The viewing area includes:
Substrate, the substrate includes the first surface and second surface being oppositely arranged, and the substrate includes first part and
Two parts；
The multiple sub-pixels being arranged in array positioned at the substrate second surface；
Positioned at the pixel defining layer of the substrate second surface, it is multiple fixed through the pixel to be provided in the pixel defining layer
The opening of adopted layer, the corresponding sub-pixel of an opening；
Multiple spacers of non-open areas in the pixel defining layer；
Positioned at the buffer layer of the first surface of the substrate second part；
Wherein, viewing area institute in the plane, the boundary line of the first part and the second part is the first boundary line,
It with region of the minimum range in first boundary line within the scope of pre-determined distance is first area in the viewing area；The display
Remaining region in area is second area；
The density of spacer in the first area, is greater than, the density of the spacer in the second area, and the density is
The area that the corresponding spacer of the display panel unit area is contacted with the pixel defining layer.
2. OLED display panel according to claim 1, which is characterized in that the pre-determined distance is between 10-15 pixel
Away from.
3. OLED display panel according to claim 2, which is characterized in that in the first area and the second area
The number of the spacer is identical in unit area, the contact of single spacer and the pixel defining layer in the first area
Area is all larger than the contact area of single spacer and the pixel defining layer in the second area.
4. OLED display panel according to claim 3, which is characterized in that the pel spacing is 51.5 μm；
The contact area of single spacer and the pixel defining layer is 51.25 μm * 14.5 μm in the first area；
The contact area of single spacer and the pixel defining layer is 28.25 μm * 9.5 μm in the second area.
5. OLED display panel according to claim 2, which is characterized in that in the viewing area all spacers with it is described
The contact area of pixel defining layer is all the same；
The number of the corresponding spacer of a sub-pixel in the first area, is greater than, a sub- picture in the second area
The number of the corresponding spacer of element.
6. OLED display panel according to claim 5, which is characterized in that the pel spacing is 51.5 μm；
The contact area of all spacers and the pixel defining layer is 28.25 μm * 9.5 μm in the viewing area；
Corresponding 2 spacers of 3 sub-pixels in the first area；
Corresponding 1 spacer of 3 sub-pixels in the second area.
7. OLED display panel according to claim 2, which is characterized in that single spacer and institute in the first area
The contact area for stating pixel defining layer is all larger than the contact surface of single spacer and the pixel defining layer in the second area
Product；
And the number of the spacer in the first area, it is greater than, the number of the spacer in the second area.
8. OLED display panel according to claim 7, which is characterized in that the pel spacing is 51.5 μm；
The contact area of single spacer and the pixel defining layer is 51.25 μm * 14.5 μm in the first area；
The contact area of single spacer and the pixel defining layer is 28.25 μm * 9.5 μm in the second area；
And corresponding 2 spacers of 3 sub-pixels in the first area；
Corresponding 1 spacer of 3 sub-pixels in the second area.
9. OLED display panel according to any one of claims 1 to 8, which is characterized in that the first part is light sensation
Fingerprint identification area.
10. OLED display panel according to claim 9, which is characterized in that further include being arranged in described in the substrate
The photosensitive sensors chip of the first surface of first part, the light sensation of the photosensitive sensors chip is facing towards the substrate.
11. OLED display panel according to claim 9 or 10, which is characterized in that the first part is rectangle, described
First area is rectangle frame.
12. OLED display panel according to claim 11, which is characterized in that the area of the first part be greater than or
Equal to 1cm*1cm.
13. OLED display panel according to claim 9 or 10, which is characterized in that the first part is circle, described
First area is annulus.
14. OLED display panel according to claim 13, which is characterized in that the circular diameter is greater than or equal to
0.5cm, and it is less than or equal to 1cm.
15. OLED display panel according to any one of claims 1 to 8, which is characterized in that further include being arranged described
The camera module of the first surface of the first part of substrate, the surface of the reception light of the camera module is towards the lining
Bottom.
16. OLED display panel according to claim 1, which is characterized in that the buffer layer is foamed cotton layer.
17. a kind of OLED display, which is characterized in that including OLED display surface described in claim 1-16 any one
Plate.
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| CN201810900958.4A CN109065588B (en) | 2018-08-09 | 2018-08-09 | OLED display panel and OLED display device |
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Address after: 201200 No. 3809, Lingkong North Road, Pudong New Area, Shanghai Patentee after: SHANGHAI TIANMA AM-OLED Co.,Ltd. Address before: Room 509, building 1, No. 6111, Longdong Avenue, Pudong New Area, Shanghai, 201200 Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. |
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Effective date of registration: 20211026 Address after: No.8, liufangyuan Henglu, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: WUHAN TIANMA MICROELECTRONICS Co.,Ltd. Address before: 201200 No. 3809, Lingkong North Road, Pudong New Area, Shanghai Patentee before: SHANGHAI TIANMA AM-OLED Co.,Ltd. |