CN107871773B - Display panel and display device - Google Patents
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- CN107871773B CN107871773B CN201711012483.7A CN201711012483A CN107871773B CN 107871773 B CN107871773 B CN 107871773B CN 201711012483 A CN201711012483 A CN 201711012483A CN 107871773 B CN107871773 B CN 107871773B
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- 239000000758 substrate Substances 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims description 25
- 238000001704 evaporation Methods 0.000 description 23
- 230000008020 evaporation Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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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
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
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Abstract
The invention discloses a display panel and a display device. The display panel includes: an array substrate; the display layer sets up on the array substrate, and the display layer includes: a pixel defining layer dividing the display panel into a plurality of sub-pixels; the supporting structure is arranged on one side of the pixel defining layer, which is far away from the array substrate; the display panel is provided with a plurality of pixel areas, wherein one pixel area comprises at least two sub-pixels of the same color, and the plurality of pixel areas at least comprise a plurality of first color pixel areas, second color pixel areas and third color pixel areas, wherein at least part of the supporting structures are positioned between two adjacent sub-pixels of the same color in the pixel area of at least one color. The display panel and the display device provided by the invention have the advantage that the reliability of the performance of the display panel and the display device is improved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a display panel and a display device.
Background
An Organic Light-Emitting Diode (OLED) is also called an Organic electroluminescent display or an Organic Light-Emitting semiconductor. The OLED display technology has the advantages of self-luminescence, wide viewing angle, almost infinite contrast, low power consumption, extremely high reaction speed and the like, does not need an additional light source due to the self-luminescence characteristic, can effectively reduce the thickness of a display panel, and is widely applied to the fields of mobile phones, digital cameras, notebook computers, car audio, televisions and the like.
The organic light-emitting display panel has a pixel definition layer, the pixel definition layer divides the display panel into a plurality of sub-pixels, usually, in order to guarantee the support intensity on the thickness of display panel arrangement, can set up supporting structure between the sub-pixels, and when adopting this kind of structural design, at the in-process of adopting the luminous layer of evaporation process preparation organic light-emitting display panel, luminous layer preparation mould has a plurality of openings, an opening corresponds a sub-pixel, the supporting structure can't avoid contact with the open-ended edge of the preparation mould of luminous layer, probably arouse the foreign matter to get into the opening district of sub-pixel, the evaporation coating yield has been reduced, influence the display performance of display panel. If relative reduction bearing structure's size, then can avoid bearing structure and the preparation mould open-ended edge contact of luminescent layer to a certain extent, but because the reduction of bearing structure size can cause the not up-to-standard condition of display panel whole mechanical strength again, influence mechanical properties.
Therefore, it is an urgent problem to provide a display panel and a display device to improve the performance reliability of the display panel.
Disclosure of Invention
In view of the above, the present invention provides a display panel and a display device, which solve the technical problem of improving the performance reliability of the display panel.
In order to solve the above technical problem, the present invention provides a display panel, including:
an array substrate;
the display layer sets up on the array substrate, and the display layer includes: a pixel defining layer dividing the display panel into a plurality of sub-pixels;
the supporting structure is arranged on one side of the pixel defining layer, which is far away from the array substrate;
the display panel is provided with a plurality of pixel areas, one pixel area comprises at least two sub-pixels with the same color, the plurality of pixel areas at least comprise a plurality of first color pixel areas, second color pixel areas and third color pixel areas,
wherein, in the pixel area of at least one color, at least part of the support structure is positioned between two adjacent sub-pixels of the same color.
Further, in order to solve the above technical problem, the present invention further provides a display device including any one of the display panels provided by the present invention.
Compared with the prior art, the display panel and the display device provided by the invention have the beneficial effects that:
the invention provides a display panel and a display device, the display panel is provided with a plurality of pixel areas, the plurality of pixel areas at least comprise a plurality of first color pixel areas, second color pixel areas and third color pixel areas, one pixel area at least comprises two sub-pixels with the same color, a support structure is arranged in the pixel area, and at least part of the support structure is positioned between the two adjacent sub-pixels, when a luminous layer is manufactured by adopting an evaporation process, the sub-pixels in one pixel area can share the same opening of a luminous layer manufacturing mould, namely, one opening of the luminous layer manufacturing mould corresponds to one pixel area, because the support structure is arranged in the pixel area, the support structure can be positioned in the opening of the manufacturing mould, the probability of contact between the support structure and the edge of the opening of the luminous layer manufacturing mould is reduced, the yield of evaporation is improved, the phenomenon that the luminous brightness is reduced due to the fact that foreign matters enter the luminous layer to cause image display distortion is avoided, the invention improves the reliability of the display performance, simultaneously, the invention improves the evaporation yield without reducing the size of the supporting structure, ensures the mechanical strength of the display panel and integrally improves the reliability of the performance of the display panel and the display device.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic diagram of a film structure of a display panel according to an embodiment of the present invention;
fig. 2 is a schematic top view of a portion of a display panel according to an embodiment of the invention;
fig. 3 is a schematic top view of another alternative embodiment of a display panel according to an embodiment of the present invention;
fig. 4 is a schematic top view of another alternative embodiment of a display panel according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating another alternative implementation of disposing a support structure in a pixel region of a display panel according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 10 is a first alternative embodiment of a support structure including two sub-pixels in a pixel area;
FIG. 11 is a second alternative embodiment of a support structure including two sub-pixels in a pixel area;
FIG. 12 is a third alternative embodiment of a support structure including two sub-pixels in a pixel area;
FIG. 13 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
FIG. 14 is a schematic diagram of another alternative embodiment of a display panel according to an embodiment of the present invention;
fig. 15 is a schematic top view of a display device according to an embodiment of the invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
The invention relates to a display panel and a display device, wherein a display layer of the display panel is divided into a plurality of pixel areas, at least two sub-pixels with the same color are arranged in one pixel area, a supporting structure is arranged in the pixel area, when an evaporation process is adopted to carry out evaporation on openings of the sub-pixels to manufacture a light emitting layer, the sub-pixels in one pixel area can share the same opening of a light emitting layer manufacturing mold, namely one opening of the light emitting layer manufacturing mold corresponds to one pixel area, the probability that the supporting structure is in contact with the edge of the opening of the light emitting layer manufacturing mold during the manufacture of the light emitting layer is reduced, the probability that foreign matters enter the light emitting layer is further reduced, the evaporation yield is improved, meanwhile, the size of the supporting structure is not required to be reduced, and the mechanical strength of the display panel is ensured.
Referring to fig. 1 and fig. 2, a display panel provided by the present invention includes a film layer structure schematic diagram in fig. 1, and a partial top view schematic diagram in fig. 2.
Referring to fig. 1 and 2 together, the display panel includes: an array substrate 101; a display layer 102 disposed on the array substrate 101, the display layer 102 including: a pixel defining layer 1021, the pixel defining layer 1021 dividing the display panel into a plurality of sub-pixels sp, and a light emitting layer (not shown) located in an opening of each sub-pixel sp, and the light emitting layer is made of different light emitting materials, so that color display of the display panel can be realized; the supporting structure 103 is disposed on a side of the pixel defining layer 1021 away from the array substrate 101; as shown in fig. 2, the display panel has a plurality of pixel zones PZ, one pixel zone PZ includes at least two sub-pixels sp of the same color, and the plurality of pixel zones PZ includes at least a plurality of first color pixel zones PZ1, second color pixel zones PZ2, and third color pixel zones PZ3, wherein at least a part of the support structure 103 is located between two adjacent sub-pixels sp of the same color in the pixel zone PZ of at least one color, and only the pixel zone PZ of the display panel includes a first color pixel zone PZ1, a second color pixel zone PZ2, and a third color pixel zone PZ3 in fig. 2, and pixel zones of three colors are schematically illustrated as an example, and one pixel zone PZ includes two sub-pixels sp. Fig. 2 shows a case where the support structure 103 is entirely located between two sub-pixels sp in one pixel region PZ, for example, as shown in fig. 11, the support structure 103 may be partially located between two sub-pixels sp, and a part of the support structure 103 is adjacent to one sub-pixel sp in the pixel region PZ. In the present invention, the support structures 103 may be provided only in the pixel areas PZ of one color, or the support structures 103 may be provided in the pixel areas PZ of all colors, thereby realizing high-density arrangement of the support structures 103.
It should be noted that fig. 2 should not be interpreted as limiting the shape of the pixel region, the shape of the sub-pixels, and the number of sub-pixels in the pixel region in the present invention. Fig. 3 is a schematic top view of another alternative embodiment of the display panel according to the embodiment of the present invention, where reference numerals in fig. 3 refer to descriptions in fig. 2, and as shown in fig. 3, a pixel region PZ also includes two sub-pixels sp, but the arrangement of the pixel region in fig. 3 is different from that in fig. 2, in fig. 3, one first color sub-pixel 1sp, one second color sub-pixel 2sp, and one third color sub-pixel 3sp can form one pixel unit P, and the display panel includes a plurality of pixel units P, so as to implement color display of the display panel. According to the principle of light color mixing, the shape of the pixel area and the number of the sub-pixels in the pixel area can be reasonably configured, and the color display of the display panel is realized.
The display panel provided by the invention is provided with a plurality of pixel areas, wherein the plurality of pixel areas at least comprise a plurality of first color pixel areas, second color pixel areas and third color pixel areas, one pixel area at least comprises two sub-pixels with the same color, a support structure is arranged in the pixel area, and at least part of the support structure is positioned between the two adjacent sub-pixels, when the luminescent layer is manufactured by adopting an evaporation process, the sub-pixels in one pixel area can share the same opening of the luminescent layer manufacturing mould, namely one opening of the luminescent layer manufacturing mould corresponds to one pixel area, because the support structure is arranged in the pixel area, the support structure can be positioned in the opening of the manufacturing mould, the probability of contact between the support structure and the edge of the opening of the luminescent layer manufacturing mould is reduced, the evaporation yield is improved, the reduction of the luminescent brightness caused by the fact that foreign matters enter the luminescent layer is avoided to cause image display distortion, the display performance reliability is improved, meanwhile, the size of the supporting structure is not required to be reduced when the evaporation yield is improved, the supporting structure can be arranged at high density, the mechanical strength of the display panel is ensured, and the reliability of the performance of the display panel is integrally improved.
Further, in some optional embodiments, fig. 4 is a schematic top view of another optional embodiment of the display panel according to the embodiment of the present invention, as shown in fig. 4, a color of a sub-pixel sp in the first color pixel zone PZ1 is red, a color of a sub-pixel sp in the second color pixel zone PZ2 is green, a color of a sub-pixel sp in the third color pixel zone PZ3 is blue, and the support structure 103 is disposed in the third color pixel zone PZ 3. In the display panel provided by this embodiment, the support structure 103 is only disposed in the blue third color pixel zone PZ3, the support structure 103 is disposed between two adjacent blue sub-pixels or a part of the support structure 103 is close to the blue sub-pixel, and neither the red sub-pixel nor the green sub-pixel is adjacent to the support structure 103, so that the influence of the support structure 103 on the light emission luminance of the red sub-pixel and the green sub-pixel can be reduced to the greatest extent, and the display performance reliability of the display panel is further improved.
In the display panel provided by the invention, the support structures arranged in the pixel area have various conditions, and different support structures can be designed according to the number of sub-pixels in the pixel area and the arrangement mode of the sub-pixels in the pixel area. The support structures in the display panel provided by the invention have the common characteristic that the support structures at least comprise a part positioned between two adjacent sub-pixels of one pixel area. In practice, for the case where a plurality of sub-pixels are included in one pixel region, a support structure may be disposed between each adjacent sub-pixel in the pixel region.
In some alternative embodiments, the support structure includes a first sub-portion extending along a first direction, the first sub-portion is located between two adjacent sub-pixels, and the first direction is parallel to the panel surface of the display panel. Taking an example that one pixel region includes two sub-pixels, fig. 5 is a schematic view of another optional implementation manner of providing a support structure in one pixel region of a display panel according to an embodiment of the present invention, where a first sub-portion 1031 extends along a first direction a and is located between two adjacent sub-pixels sp. In the embodiment, the first sub-part of the supporting structure is positioned between two adjacent sub-pixels in the same pixel area, when the evaporation process is adopted for manufacturing the light emitting layer, namely the supporting structure can be positioned in the opening of the manufacturing mold, the supporting structure cannot be in contact with the edge of the opening of the light emitting layer manufacturing mold, the evaporation yield is improved, the problem that the image display distortion is caused by the fact that the luminance is reduced due to the fact that foreign matters enter the light emitting layer is avoided, and the reliability of the display performance is improved.
Further, in some alternative embodiments, the support structure includes a first subsection extending along a first direction and located between two adjacent sub-pixels, and further includes a second subsection extending along a second direction, the second direction is parallel to the panel surface of the display panel and intersects with the first direction; in the display panel provided in this embodiment, there may be one, two or more sub-pixels adjacent to the second division, but the sub-pixels adjacent to the second division are all located in the same pixel region.
The display panel provided by the embodiment adopts the evaporation process to manufacture the light emitting layer, the first subsection and the second subsection of the supporting structure can be positioned in the opening of the manufacturing mold and cannot be in contact with the edge of the opening of the light emitting layer manufacturing mold, the evaporation yield is improved, the phenomenon that the brightness of emitted light is reduced to cause image display distortion due to the fact that foreign matters enter the light emitting layer is avoided, the reliability of display performance is improved, meanwhile, the first subsection extending along the first direction and the second subsection extending along the second direction can be simultaneously arranged in each pixel area, the area ratio of the supporting structure which is equivalent to the whole arrangement is large, and the mechanical strength of the display panel can be improved.
The following examples illustrate specific embodiments in which the support structure in the display panel includes a first section and a second section.
In an alternative implementation, one pixel region includes three sub-pixels, and fig. 6 is a schematic diagram of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 6, one pixel region includes a first sub-pixel sp1, a second sub-pixel sp2, and a third sub-pixel sp3, the first sub-pixel sp1, the second sub-pixel sp2, and the third sub-pixel sp3 being arranged in a "7" word; the first sub-part 1031 extending in the first direction a is located between the first sub-pixel sp1 and the second sub-pixel sp2, and the second sub-part 1032 extending in the second direction b is located between the second sub-pixel sp2 and the third sub-pixel sp 3. In the embodiment, one pixel area comprises three sub-pixels with the same color, a supporting structure is arranged between every two adjacent sub-pixels in the pixel area, when a light emitting layer of the display panel is manufactured, the supporting structure cannot be in contact with the edge of an opening of a light emitting layer manufacturing mold, the evaporation yield is improved, the phenomenon that foreign matters enter the light emitting layer to cause reduction of light emitting brightness to cause image display distortion is avoided, the reliability of display performance is improved, meanwhile, the supporting structure can be arranged in each pixel area in a high-density mode, and the mechanical strength of the display panel is improved. In this embodiment, one first color pixel zone PZ1, one second color pixel zone PZ2, and one third color pixel zone PZ3 can constitute one pixel unit P, and the display panel includes a plurality of pixel units P, enabling color display of the display panel.
In another alternative embodiment, four sub-pixels are included in one pixel region, and the arrangement of the support structures in the pixel region is only exemplified in the following cases.
Fig. 7 is a schematic diagram of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 7, the support structure includes a first sub-section 1031 extending in the first direction a and a second sub-section 1032 extending in the second direction b, one pixel zone PZ includes four sub-pixels sp arranged in an "2 × 2" array; in one pixel region PZ, the two first sections 1031 are located on the same straight line in the first direction a, and the two second sections 1032 are located on the same straight line in the second direction b.
Fig. 8 is a schematic diagram of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 8, the support structure includes a first sub-section 1031 extending in the first direction a and a second sub-section 1032 extending in the second direction b, one pixel zone PZ includes four sub-pixels sp arranged in an "2 × 2" array; within one pixel zone PZ, the second section 1032 is adjacent to each of the four sub-pixels sp, and the two first sections 1031 are symmetrical with respect to the second section 1032.
Fig. 9 is a schematic diagram of another alternative implementation of the display panel according to the embodiment of the present invention. As shown in fig. 9, the support structure includes a first sub-portion 1031 extending along the first direction a and a second sub-portion 1032 extending along the second direction b, the two first sub-portions 1031 are respectively connected to the second sub-portion 1032, and an orthographic projection of the support structure 103 on a plane where the display panel is located in one pixel zone PZ is in a shape of a cross.
For the embodiment in which four sub-pixels are included in one pixel region of the display panel, the arrangement of the pixel regions and the arrangement of the support structures in the pixel region are not limited to the above-described embodiments, and the support structures provided in the pixel region may also have a portion adjacent to only one sub-pixel in the pixel region, such as the partial structure shown in fig. 11.
Further, in some alternative implementations, the support structure in the display panel provided in this embodiment of the present invention further includes a third section or a fourth section, so that a projection of the support structure on a plane where the display panel is located may also take on a variety of different shapes. Take an example where one pixel region includes two sub-pixels.
In the first case, fig. 10 is a first alternative implementation of the support structure when two sub-pixels are included in one pixel region, as shown in fig. 10, one pixel region PZ includes two sub-pixels sp, the two sub-pixels sp are arranged along a third direction c, the support structure includes a first sub-portion 1031 extending along the first direction a, and the third direction c is parallel to the panel surface of the display panel and intersects with the first direction a.
In a second case, fig. 11 is a second alternative embodiment of the support structure when two sub-pixels are included in one pixel zone, as shown in fig. 11, one pixel zone PZ includes two sub-pixels sp, the two sub-pixels sp are arranged along a third direction c, the support structure includes a first sub-portion 1031 extending along the first direction a, the third direction c is parallel to the panel surface of the display panel and intersects with the first direction a, the support structure further includes a third sub-portion 1033 extending along the third direction c, one first sub-portion 1031 is connected with the two third sub-portions 1033, the third sub-portion 1033 is adjacent to one sub-pixel sp in one pixel zone PZ, and a forward projection of the support structure 103 on a plane where the display panel is located is in a "Z" shape.
In a third case, fig. 12 is a third alternative embodiment of the support structure when two sub-pixels are included in one pixel region, as shown in fig. 12, one pixel region PZ includes two sub-pixels sp, the two sub-pixels sp are arranged along a third direction c, the support structure includes a first sub-portion 1031 extending along the first direction a, the third direction c is parallel to the panel surface of the display panel and intersects with the first direction a, the support structure further includes a fourth sub-portion 1034 extending along the third direction c, and one first sub-portion 1031 is connected with the two fourth sub-portions 1034; in a pixel region, the fourth segment 1034 is adjacent to two sub-pixels sp, and the orthographic projection of the support structure on the plane of the display panel is in an "i" shape.
Further, in some alternative embodiments, fig. 13 is a schematic diagram of another alternative embodiment of the display panel according to the embodiment of the present invention. This embodiment provides a display panel in which the support structure may be any one of fig. 10, 11 or 12, and is described by way of example only with reference to the support structure zl in fig. 10, as shown in fig. 13, the support structure includes a first partition 1031 extending in a first direction a, one pixel zone includes two sub-pixels sp arranged in a third direction c parallel to a plate surface of the display panel and crossing the first direction a, the display panel includes a plurality of pixel zone rows PZH and a plurality of pixel zone columns PZL, one first color pixel zone PZ1 and one second color pixel zone PZ2 are arranged in the first direction a to form a pixel zone group PZZ, the pixel zone group PZZ and the third color pixel zone PZ3 are arranged alternately in the third direction c to form a pixel zone row PZH, the pixel zone group PZZ and the third color pixel zone PZ3 are arranged alternately in the first direction a to form a pixel zone column zl, this embodiment is an arrangement of pixel regions in a display panel including two sub-pixels in one pixel region, and may be configured with support structures in the pixel regions of three colors as shown in fig. 13, so that when an evaporation process is used to fabricate a light emitting layer, the yield of evaporation is improved, the reliability of display performance is improved, and the mechanical strength of the display panel is ensured. Or, fig. 14 is a schematic diagram of another alternative implementation of the display panel according to the embodiment of the present invention, as shown in fig. 14, a support structure is only disposed in the third color pixel zone PZ3, a color of a sub-pixel sp in the third color pixel zone PZ3 is blue, reference numerals in fig. 14 refer to descriptions in fig. 13, the support structure 103 is disposed between two adjacent blue sub-pixels or a part of the support structure 103 is close to the blue sub-pixel, and neither the red sub-pixel nor the green sub-pixel is adjacent to the support structure 103, so that an influence of the support structure 103 on light emission luminance of the red sub-pixel and the green sub-pixel can be reduced to the greatest extent, and reliability of display performance of the display panel is further improved.
Further, in an alternative implementation manner, the present invention further provides a display device including any one of the display panels provided in the embodiments of the present invention. Fig. 15 is a schematic top view of a display device according to an embodiment of the present invention, in which a display panel has a plurality of pixel regions, the pixel regions at least include a plurality of first color pixel regions, a plurality of second color pixel regions, and a plurality of third color pixel regions, each pixel region at least includes two sub-pixels of the same color, a support structure is disposed in the pixel region, and at least a portion of the support structure is disposed between two adjacent sub-pixels, when a light emitting layer is fabricated by using an evaporation process, the sub-pixels in a pixel region can share the same opening of a light emitting layer fabricating mold, that is, an opening of the light emitting layer fabricating mold corresponds to a pixel region, and since the support structure is disposed in the pixel region, the support structure can be disposed in the opening of the fabricating mold, so as to reduce the probability of contact between the support structure and the edge of the opening of the light emitting layer fabricating mold, the invention improves the evaporation yield, avoids the image display distortion caused by the reduction of the luminous brightness caused by the foreign matters entering the luminous layer, and improves the reliability of the display performance.
According to the embodiment, the array substrate and the display panel of the invention have the following beneficial effects:
the invention provides a display panel and a display device, the display panel is provided with a plurality of pixel areas, the plurality of pixel areas at least comprise a plurality of first color pixel areas, second color pixel areas and third color pixel areas, one pixel area at least comprises two sub-pixels with the same color, a support structure is arranged in the pixel area, and at least part of the support structure is positioned between the two adjacent sub-pixels, when a luminous layer is manufactured by adopting an evaporation process, the sub-pixels in one pixel area can share the same opening of a luminous layer manufacturing mould, namely, one opening of the luminous layer manufacturing mould corresponds to one pixel area, because the support structure is arranged in the pixel area, the support structure can be positioned in the opening of the manufacturing mould, the probability of contact between the support structure and the edge of the opening of the luminous layer manufacturing mould is reduced, the yield of evaporation is improved, the phenomenon that the luminous brightness is reduced due to the fact that foreign matters enter the luminous layer to cause image display distortion is avoided, the invention improves the reliability of the display performance, simultaneously, the invention improves the evaporation yield without reducing the size of the supporting structure, ensures the mechanical strength of the display panel and integrally improves the reliability of the performance of the display panel and the display device.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (12)
1. A display panel, comprising:
an array substrate;
a display layer disposed on the array substrate, the display layer including: a pixel defining layer that divides the display panel into a plurality of sub-pixels;
the supporting structure is arranged on one side, away from the array substrate, of the pixel defining layer;
the display panel is provided with a plurality of pixel areas which are arranged along the row direction and the column direction, the pixel areas correspond to the openings of the light-emitting layer manufacturing mold one by one, one pixel area comprises at least two sub-pixels with the same color, the pixel areas at least comprise a plurality of first color pixel areas, second color pixel areas and third color pixel areas, and the row direction and the column direction are intersected;
wherein, in the pixel region of at least one color, at least part of the support structure is located between two adjacent sub-pixels of the same color;
the supporting structures are not arranged between different pixel regions;
the color of the sub-pixel in the first color pixel area is red, the color of the sub-pixel in the second color pixel area is green, the color of the sub-pixel in the third color pixel area is blue,
the support structure is disposed only within the third color pixel region.
2. The display panel according to claim 1,
the support structure comprises a first subsection extending along a first direction, the first subsection is located between two adjacent sub-pixels, and the first direction is parallel to the plate surface of the display panel.
3. The display panel according to claim 2,
the support structure further comprises a second subsection extending along a second direction, wherein the second direction is parallel to the plate surface of the display panel and is crossed with the first direction;
the sub-pixels adjacent to the second subsection are located in the same pixel area.
4. The display panel according to claim 3,
one pixel region comprises a first sub-pixel, a second sub-pixel and a third sub-pixel, wherein the first sub-pixel, the second sub-pixel and the third sub-pixel are arranged in a 7 shape;
the first sub-pixel is located between the first sub-pixel and the second sub-pixel, and the second sub-pixel is located between the second sub-pixel and the third sub-pixel.
5. The display panel according to claim 3,
one pixel region comprises four sub-pixels, and the four sub-pixels are arranged in a 2 x 2 array;
in one pixel region, the two first sub-portions are located on the same straight line in the first direction, and the two second sub-portions are located on the same straight line in the second direction.
6. The display panel according to claim 3,
one pixel region comprises four sub-pixels, and the four sub-pixels are arranged in a 2 x 2 array;
in one pixel region, the second division is adjacent to four sub-pixels, and the two first divisions are symmetrical with respect to the second division.
7. The display panel according to claim 6,
the two first subsections are respectively connected with the second subsection, and in one pixel area, the orthographic projection of the supporting structure on the plane where the display panel is located is in a cross shape.
8. The display panel according to claim 2,
and one pixel area comprises two sub-pixels which are arranged along a third direction, wherein the third direction is parallel to the plate surface of the display panel and is crossed with the first direction.
9. The display panel according to claim 8,
the support structure further comprising third sections extending in the third direction, one first section being connected to two third sections,
in one of the pixel regions, the third sub-portion is adjacent to one of the sub-pixels, and an orthographic projection of the support structure on a plane of the display panel is in a zigzag shape.
10. The display panel according to claim 8,
said support structure further comprising fourth sections extending in said third direction, one said first section being connected to two said fourth sections;
in one pixel region, the fourth sub-pixel is adjacent to two sub-pixels, and the orthographic projection of the support structure on the plane of the display panel is in an I shape.
11. The display panel according to claim 8,
the display panel includes a plurality of pixel area rows and a plurality of pixel area columns,
one of the first color pixel regions and one of the second color pixel regions are arranged in the first direction to form a pixel region group, the pixel region group and the third color pixel region are alternately arranged in the third direction to form the pixel region row, and the pixel region group and the third color pixel region are alternately arranged in the first direction to form the pixel region column.
12. A display device characterized by comprising the display panel according to any one of claims 1 to 11.
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| CN201711012483.7A CN107871773B (en) | 2017-10-26 | 2017-10-26 | Display panel and display device |
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| CN110581145B (en) * | 2018-06-11 | 2022-08-16 | 云谷（固安）科技有限公司 | Display screen and display device |
| CN109887411B (en) * | 2019-04-19 | 2021-11-16 | 昆山国显光电有限公司 | Display panel and display device |
| CN111490088B (en) * | 2020-04-24 | 2022-11-04 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN117598043A (en) * | 2022-05-31 | 2024-02-23 | 京东方科技集团股份有限公司 | Substrate to be evaporated, display substrate and preparation method of display substrate |
| CN118215352A (en) * | 2022-12-16 | 2024-06-18 | 京东方科技集团股份有限公司 | Display panel and display device |
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| KR100793546B1 (en) * | 2007-01-03 | 2008-01-14 | 삼성에스디아이 주식회사 | Organic light emitting display device and method for fabricating the same |
| KR101094278B1 (en) * | 2010-03-09 | 2011-12-19 | 삼성모바일디스플레이주식회사 | Organic light emitting diode display |
| US9508778B2 (en) * | 2014-04-25 | 2016-11-29 | Samsung Display Co., Ltd. | Organic light emitting diode display |
| CN104201190A (en) * | 2014-08-26 | 2014-12-10 | 上海和辉光电有限公司 | Organic light-emitting device and manufacturing method thereof |
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