CN112216714A - Pixel structure, preparation method thereof, mask, display panel and display device - Google Patents
Pixel structure, preparation method thereof, mask, display panel and display device Download PDFInfo
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- CN112216714A CN112216714A CN201910613025.1A CN201910613025A CN112216714A CN 112216714 A CN112216714 A CN 112216714A CN 201910613025 A CN201910613025 A CN 201910613025A CN 112216714 A CN112216714 A CN 112216714A
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000001704 evaporation Methods 0.000 claims description 18
- 230000008020 evaporation Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000003086 colorant Substances 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000002699 waste material Substances 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/16—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering
- H10K71/166—Deposition of organic active material using physical vapour deposition [PVD], e.g. vacuum deposition or sputtering using selective deposition, e.g. using a mask
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Abstract
The embodiment of the invention relates to a pixel structure, a preparation method thereof, a mask, a display panel and a display device. The pixel structure includes: the pixel comprises a plurality of first sub-pixel groups, a plurality of second sub-pixel groups and a pixel unit area, wherein the first sub-pixel groups are arranged in an array mode, and adjacent first sub-pixels in each first sub-pixel group occupy one pixel unit area; the plurality of second sub-pixel groups are arranged in an array, and each row of second sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups; and the plurality of third sub-pixel groups are arranged in an array, and each row of third sub-pixel groups is positioned between the adjacent rows of first sub-pixel groups. The embodiment of the invention can solve the problem that the color mixing is easy when the mask is evaporated to form the pixel array to a certain extent.
Description
Technical Field
The embodiment of the disclosure relates to the technical field of display, in particular to a pixel structure, a manufacturing method of the pixel structure, a mask, a display panel and a display device.
Background
An Organic Light-Emitting Diode (OLED) has display characteristics of active Light emission, large viewing angle, wide color gamut, fast response, and high contrast, and has the advantages of being Light, thin, flexible, and energy-saving, and has become the most promising new flat panel display technology.
Moreover, people now have higher and higher requirements for the definition of the display panel, so that the resolution of the display panel is promoted to be higher and higher, and the size of the sub-pixels in the corresponding display panel is smaller and smaller. The pixel arrangement in the current OLED display panel is generally a Pentile arrangement or an RGB arrangement, and when a display device is manufactured by using a mask, a light emitting pixel array located in a display area is usually formed by using a mask evaporation method. With the requirement of high PPI, the size of the sub-pixels such as RGB sub-pixels is getting smaller and smaller, so that color mixing is easily caused when forming the pixel array by evaporation. Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.
It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Disclosure of Invention
Embodiments of the present invention are directed to a pixel structure, a method for manufacturing the pixel structure, a mask, a display panel and a display device, which overcome one or more of the problems due to the limitations and disadvantages of the related art, at least to a certain extent.
According to a first aspect of the embodiments of the present disclosure, there is provided a pixel structure, including:
the pixel comprises a plurality of first sub-pixel groups, a plurality of second sub-pixel groups and a pixel unit area, wherein the first sub-pixel groups are arranged in an array mode, and adjacent first sub-pixels in each first sub-pixel group occupy one pixel unit area;
the plurality of second sub-pixel groups are arranged in an array, and each row of second sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups;
the plurality of third sub-pixel groups are arranged in an array, and each row of third sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups;
the second sub-pixel group and the third sub-pixel group of each column are alternately distributed along the longitudinal direction, the second sub-pixel group and the third sub-pixel group of each column respectively occupy one pixel unit area, and the adjacent second sub-pixel and the third sub-pixel of each column share one pixel unit area, so that the first sub-pixel, the second sub-pixel and the third sub-pixel form a triangular pixel unit.
In an exemplary embodiment of the present disclosure, the first sub-pixel group, the second sub-pixel group, and the third sub-pixel group each include four sub-pixels.
In an exemplary embodiment of the present disclosure, the geometry formed by the four sub-pixels connected end to end as vertices is a parallelogram or a rectangle.
In an exemplary embodiment of the present disclosure, each of the sub-pixels has a shape of a circle, an ellipse, a rectangle, or a parallelogram.
In an exemplary embodiment of the present disclosure, the first sub-pixel group is a blue sub-pixel group, the second sub-pixel group is a green sub-pixel group, and the third sub-pixel group is a red sub-pixel group.
According to a second aspect of the embodiments of the present disclosure, there is provided a reticle, including:
the mask body is provided with evaporation openings which correspond to the first sub-pixel group, the second sub-pixel group and the third sub-pixel group in the pixel structure of the embodiment respectively and are adaptive to shapes.
According to a third aspect of the embodiments of the present disclosure, there is provided a pixel structure manufacturing method, including:
providing an array substrate of a pixel structure to be prepared;
and forming a corresponding pixel structure on the array substrate by evaporation through the mask plate in the previous embodiment.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a display panel including the pixel structure described in the above embodiments.
In an exemplary embodiment of the present disclosure, the display panel is a touch display panel.
According to a fifth aspect of the embodiments of the present disclosure, there is provided a display device including the display panel described in the above embodiments.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
in the embodiment of the invention, according to the pixel structure, the preparation method thereof, the mask, the display panel and the display device, the special arrangement is carried out on the sub-pixels, so that the requirement on the mask hole opening process is reduced, and the problem of easy color mixing of the mask when a pixel array is formed by evaporation is solved to a certain extent.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
FIG. 1 is a schematic diagram of a pixel structure according to an exemplary embodiment of the present invention;
FIG. 2 is a diagram illustrating a mask structure corresponding to a red sub-pixel in an exemplary embodiment of the invention;
FIG. 3 is a diagram illustrating a mask structure corresponding to a green sub-pixel in an exemplary embodiment of the invention;
FIG. 4 is a schematic diagram of a mask structure corresponding to a blue sub-pixel in an exemplary embodiment of the invention;
FIG. 5 is a schematic diagram of a pixel structure according to another exemplary embodiment of the present invention;
fig. 6 shows a flow chart of a method for fabricating a pixel structure in an exemplary embodiment of the invention.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of embodiments of the invention, which are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
The present exemplary embodiment first provides a pixel structure. Referring to fig. 1, the pixel structure may include a plurality of first sub-pixel groups, a plurality of second sub-pixel groups, and a plurality of third sub-pixel groups.
The plurality of first sub-pixel groups are arranged in an array, and adjacent first sub-pixels in each first sub-pixel group occupy one pixel unit area; the plurality of second sub-pixel groups are arranged in an array, and each row of second sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups; the plurality of third sub-pixel groups are arranged in an array, and each row of third sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups; the second sub-pixel group and the third sub-pixel group of each column are alternately distributed along the longitudinal direction, the second sub-pixel group and the third sub-pixel group of each column respectively occupy one pixel unit area, and the adjacent second sub-pixel and the third sub-pixel of each column share one pixel unit area, so that the first sub-pixel, the second sub-pixel and the third sub-pixel form a triangular pixel unit.
According to the pixel structure, the preparation method of the pixel structure, the mask, the display panel and the display device, the sub-pixels are specially arranged, so that the requirement on the mask opening process is reduced, and the problem that the mask is easy to mix colors when a pixel array is formed by evaporation is solved to a certain extent.
Next, each part of the above-described pixel structure in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 5.
In one embodiment, the plurality of first sub-pixel groups are arranged in an array, and each first sub-pixel group has a pixel unit area occupied by adjacent first sub-pixels; the plurality of second sub-pixel groups are arranged in an array, and each row of second sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups; the plurality of third sub-pixel groups are arranged in an array, and each row of third sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups.
For example, as shown in fig. 1 and 5, a plurality of B sub-pixel groups, a plurality of R sub-pixel groups, and a plurality of G sub-pixel groups are all arranged in an array, if two rectangles in the figure are regarded as one pixel unit area, two adjacent B sub-pixels occupy one pixel unit area, and the plurality of B sub-pixel groups are arranged on the display panel in a column manner, that is, the separated column areas are all arranged as B sub-pixel groups.
In addition, the R sub-pixel groups and the G sub-pixel groups are also arranged on the display panel in a column mode, each column of R sub-pixel groups is located between adjacent columns of B sub-pixel groups, and each column of G sub-pixel groups is also located between adjacent columns of B sub-pixel groups. It should be noted that the colors of the plurality of first sub-pixel groups, the plurality of second sub-pixel groups, and the plurality of third sub-pixel groups are interchangeable, and are not limited to the color arrangement manner in the present embodiment.
In one embodiment, the second sub-pixel groups and the third sub-pixel groups of each column are alternately distributed along the longitudinal direction, the second sub-pixel groups and the third sub-pixel groups of each column respectively occupy one pixel unit area, and adjacent second sub-pixels and third sub-pixels of each column share one pixel unit area, so that the first sub-pixels, the second sub-pixels and the third sub-pixels form a pixel unit in a triangular shape.
For example, as shown in fig. 1 and 5, R sub-pixel groups and G sub-pixel groups located between adjacent columns of the B sub-pixel groups are alternately distributed along the longitudinal direction, that is, the R sub-pixel groups and G sub-pixel groups are located in the same column and are alternately distributed, and each of the R sub-pixel groups and G sub-pixel groups occupies one pixel unit region, and since the R sub-pixel groups and the G sub-pixel groups are arranged next to each other in the column direction, it can also be understood that two R sub-pixels and two G sub-pixel groups adjacent to the R sub-pixel groups and the G sub-pixel groups occupy one pixel unit region. With the above pixel arrangement, adjacent R, B and G sub-pixels can form one pixel unit in a triangular form. It should be noted that, the sizes of the sub-pixels of the respective colors in the first sub-pixel group, the second sub-pixel group, and the third sub-pixel group may be adaptively adjusted according to the lifetime of each sub-pixel, which is not limited herein.
In one embodiment, the first subpixel group, the second subpixel group, and the third subpixel group each include four subpixels.
Specifically, in order to enable the sub-pixels of the first sub-pixel group, the second sub-pixel group and the third sub-pixel group adjacent to each other to form a pixel unit in a triangular manner, four sub-pixels having the same color are provided in each sub-pixel group, for example, the first sub-pixel group is provided with four blue sub-pixels, the second sub-pixel group is provided with four red sub-pixels, and the third sub-pixel group is provided with four green sub-pixels. It should be noted that the color set for each sub-pixel group can be set according to practical situations, and is not limited in particular here.
In one embodiment, the geometry of the four sub-pixels connected end to end as vertices is a parallelogram or a rectangle.
Specifically, as shown by the dotted circles in fig. 1 and 5, in order to enable the sub-pixels in the adjacent first sub-pixel group, second sub-pixel group and third pixel group to form a pixel unit in a triangular form and with a certain rule, the four sub-pixels in the sub-pixel group are regarded as vertexes, and a geometric figure formed by connecting the vertexes end to end is a parallelogram, a rectangle or a square, and the shape of the specific sub-pixel group can be set according to the actual situation, which is not limited herein.
In one embodiment, each of the sub-pixels has a shape of a circle, an ellipse, a rectangle, or a parallelogram.
Specifically, before the evaporation of the organic light emitting material is performed on the display panel, a retaining wall is disposed between the evaporation regions of the sub-pixels, so that the evaporated organic light emitting material becomes a single sub-pixel, and the shape of the retaining wall is circular, elliptical, rectangular, or any other polygon, so that the shape of the sub-pixel evaporated to the corresponding position is circular, elliptical, rectangular, or any other polygon, which can be set according to actual conditions, and is not limited herein.
In one embodiment, the first sub-pixel group is a blue sub-pixel group, the second sub-pixel group is a green sub-pixel group, and the third sub-pixel group is a red sub-pixel group.
Specifically, as shown in fig. 1 and 5, the sub-pixel groups of the same color and located in the column direction are the blue sub-pixel groups, the sub-pixel groups of the green and the red are located between the blue sub-pixel groups of each column, and the red sub-pixel groups and the green sub-pixel groups are alternately arranged in the same column direction, so that the three adjacent sub-pixels of the red, the green and the blue form a pixel unit.
The example embodiment also provides a mask. Referring to fig. 2 to 4, the mask may include evaporation openings with shapes corresponding to the first sub-pixel group, the second sub-pixel group, and the third sub-pixel group in the pixel structure in the above embodiments.
Specifically, as shown in fig. 2 to 4, the mask has a plurality of evaporation openings, and each evaporation opening corresponds to four sub-pixels with the same color, that is, four sub-pixels in each sub-pixel group may share one evaporation opening, and the evaporation opening is adapted to the shape of the sub-pixel group, for example, if the shape of the sub-pixel group formed by the four sub-pixels as vertices is rectangular, the corresponding evaporation opening is rectangular, so that the space occupation is reduced to a certain extent, and the aperture ratio is increased.
Further, as shown in fig. 5, since the red sub-pixel group and the green sub-pixel group have the same shape and arrangement, when the organic light emitting material is vapor-deposited on the two sub-pixel groups, vapor deposition can be performed using a mask having the same vapor deposition opening shape, and waste of material can be reduced to some extent.
According to the mask provided by the above, the opening design of the mask is increased, and the problem of easy color mixing of the mask when a pixel array is formed by evaporation can be avoided to a certain extent.
There is also provided in this example embodiment a method of manufacturing a pixel structure, as shown in fig. 6, the method including:
step S101, an array substrate to be prepared with a pixel structure is provided.
And S102, forming a corresponding pixel structure on the array substrate through evaporation by using the mask.
Specifically, each R, G, B sub-pixel includes a light-emitting area (display area) and a non-light-emitting area (non-display area), and the light-emitting area of each sub-pixel includes a cathode, an anode and an electroluminescent layer, which is located between the cathode and the anode, for generating light of a predetermined color to realize display. However, the electroluminescent layer of the corresponding color is formed in the light emitting region of the corresponding sub-pixel, and an array substrate is required to be disposed on the display panel, and a circuit is disposed on the array substrate to drive the light emitting layer after receiving a signal, so as to achieve the required brightness. The basic specific structure of the array can be understood by referring to the prior art, and is not described in detail herein.
In this exemplary embodiment, a display panel is further provided, where the display panel includes the pixel structure described in the above embodiments, and the display panel is a touch display panel.
There is also provided in this example embodiment a display device including the display panel described in the above example.
With regard to the display panel and the display device in the above embodiments, the specific structure of the pixel distribution included therein has been described in detail in the embodiments related to the pixel structure, and will not be described in detail here.
According to the pixel structure, the preparation method of the pixel structure, the mask, the display panel and the display device, the sub-pixels are specially arranged, so that the requirement on the mask opening process is reduced, and the problem that the mask is easy to mix colors when a pixel array is formed by evaporation is solved to a certain extent.
It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used for indicating or indicating the orientation or positional relationship illustrated in the drawings, and are used merely for convenience in describing embodiments of the present invention and for simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (10)
1. A pixel structure, comprising:
the pixel comprises a plurality of first sub-pixel groups, a plurality of second sub-pixel groups and a pixel unit area, wherein the first sub-pixel groups are arranged in an array mode, and adjacent first sub-pixels in each first sub-pixel group occupy one pixel unit area;
the plurality of second sub-pixel groups are arranged in an array, and each row of second sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups;
the plurality of third sub-pixel groups are arranged in an array, and each row of third sub-pixel groups are positioned between the adjacent rows of first sub-pixel groups;
the second sub-pixel group and the third sub-pixel group of each column are alternately distributed along the longitudinal direction, the second sub-pixel group and the third sub-pixel group of each column respectively occupy one pixel unit area, and the adjacent second sub-pixel and the third sub-pixel of each column share one pixel unit area, so that the first sub-pixel, the second sub-pixel and the third sub-pixel form a triangular pixel unit.
2. The pixel structure of claim 1, wherein the first sub-pixel group, the second sub-pixel group, and the third sub-pixel group each comprise four sub-pixels.
3. The pixel structure of claim 2, wherein the geometry of the four sub-pixels connected end to end as vertices is a parallelogram or a rectangle.
4. The pixel structure of claim 2, wherein each of the sub-pixels is circular, elliptical, rectangular, or parallelogram in shape.
5. The pixel structure according to any one of claims 1 to 4, wherein the first sub-pixel group is a blue sub-pixel group, the second sub-pixel group is a green sub-pixel group, and the third sub-pixel group is a red sub-pixel group.
6. A reticle, comprising:
a mask body having evaporation openings corresponding to the first sub-pixel group, the second sub-pixel group and the third sub-pixel group in the pixel structure of any one of claims 1 to 5 and adapted to the shape of the pixel structure.
7. A method for manufacturing a pixel structure, the method comprising:
providing an array substrate of a pixel structure to be prepared;
the mask plate of claim 6, wherein the array substrate is deposited to form a corresponding pixel structure.
8. A display panel comprising the pixel structure according to any one of claims 1 to 5.
9. The display panel of claim 8, wherein the display panel is a touch display panel.
10. A display device characterized by comprising the display panel according to claim 8 or 9.
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| CN201910613025.1A CN112216714A (en) | 2019-07-09 | 2019-07-09 | Pixel structure, preparation method thereof, mask, display panel and display device |
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| CN201910613025.1A CN112216714A (en) | 2019-07-09 | 2019-07-09 | Pixel structure, preparation method thereof, mask, display panel and display device |
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| CN104037199A (en) * | 2013-12-31 | 2014-09-10 | 昆山国显光电有限公司 | Pixel structure and organic light emitting display with pixel structure |
| CN107742637A (en) * | 2017-11-06 | 2018-02-27 | 京东方科技集团股份有限公司 | A kind of dot structure, mask plate, display panel and display device |
| CN207320118U (en) * | 2017-08-31 | 2018-05-04 | 昆山国显光电有限公司 | Dot structure, mask plate and display device |
| CN108010934A (en) * | 2016-10-31 | 2018-05-08 | 昆山国显光电有限公司 | Dot structure and forming method thereof, OLED display panel and evaporation mask plate |
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- 2019-07-09 CN CN201910613025.1A patent/CN112216714A/en active Pending
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| CN104037199A (en) * | 2013-12-31 | 2014-09-10 | 昆山国显光电有限公司 | Pixel structure and organic light emitting display with pixel structure |
| CN108010934A (en) * | 2016-10-31 | 2018-05-08 | 昆山国显光电有限公司 | Dot structure and forming method thereof, OLED display panel and evaporation mask plate |
| CN207320118U (en) * | 2017-08-31 | 2018-05-04 | 昆山国显光电有限公司 | Dot structure, mask plate and display device |
| CN107742637A (en) * | 2017-11-06 | 2018-02-27 | 京东方科技集团股份有限公司 | A kind of dot structure, mask plate, display panel and display device |
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