CN109004009A - Display base plate and method, the display device for determining dot structure - Google Patents
Display base plate and method, the display device for determining dot structure Download PDFInfo
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- CN109004009A CN109004009A CN201810862745.7A CN201810862745A CN109004009A CN 109004009 A CN109004009 A CN 109004009A CN 201810862745 A CN201810862745 A CN 201810862745A CN 109004009 A CN109004009 A CN 109004009A
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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
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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
- H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
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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
Abstract
The invention discloses method, the display devices of display base plate and determining dot structure.The display base plate includes: substrate substrate；Multiple pixel columns, multiple pixel columns are arranged on substrate substrate, each pixel column includes multiple pixel units being arranged successively, with the sub-pixel of multiple and different colors in pixel unit, sub-pixel includes the first sub-pixel and multiple second sub-pixels, the area of first sub-pixel is greater than the area of second sub-pixel, sub-pixel in same pixel unit is arranged along orientation of the pixel unit in pixel column, between two be located in the two neighboring pixel column, first sub-pixel, be staggered the width of X pixel unit, X is the integral multiple of 1/n, n is the number summation for the sub-pixel for including in pixel unit.The display base plate pixel unit arrangement mode can save the area that each pixel unit occupies, so as to improve the aperture opening ratio and resolution ratio of the display base plate.
Description
Technical field
The present invention relates to display fields, and in particular, to display base plate and method, the display device for determining dot structure.
Background technique
With the development of display technology, self-luminous display device is more and more widely used.With need to be arranged
Backlight module can realize that the liquid crystal display device of display is compared, self-luminous display device (such as organic light-emitting display device
OLED, quantum dot light emitting display device QLED etc.) there is device thickness can substantially be thinned, visual angle is wide, response rapidly, luminous efficiency
High, low power consumption and other advantages.However, whether organic light-emitting display device (OLED) or quantum dot light emitting display device
(QLED), since its principle of luminosity is different from liquid crystal display device, arrangement of the dot structure in sub-pixel, each height picture
The size etc. of element, there are significant differences with the dot structure of liquid crystal display device.
However, still having currently based on the display base plate of self-luminous display device, dot structure design and display device
It is to be modified.
Summary of the invention
The application is the discovery based on inventor to following facts and makes:
Current self-luminous display device, generally existing resolution ratio are difficult to improve, and dot structure sub-pixel is arranged not
Rationally, the problems such as area occupied is excessive.Inventors have found that being designed this is mainly due to the display device based on emissive type
When dot structure, need to consider the factors such as the luminescent lifetime of different colours luminescent layer (such as difference of RGB material property), because
The area of multiple sub-pixels in this dot structure can not be essentially equal.Under the premise of herein, multiple different sub- pictures of area
When element is arranged successively (side by side) formation pixel unit, a part of area of pixel unit is caused to be not used to realize hair
The function of light can not be improved really so as to cause using the display panel of the dot structure, the aperture opening ratio of display device, and be worked as
When screen size determines, luminous, can to accommodate in screen pixel list is carried out since some area is not utilized
The quantity of member is also difficult to be promoted, and is also difficult to be promoted so as to cause the resolution ratio of display device.
The present invention is directed to alleviate or solve the problems, such as at least one in above-mentioned refer at least to some extent.
In one aspect of the invention, the invention proposes a kind of display base plates in self-luminous display device.
The display base plate includes: substrate substrate；And multiple pixel columns, the multiple pixel column are arranged on the substrate substrate, often
A pixel column includes multiple pixel units being arranged successively, the sub- picture with multiple and different colors in the pixel unit
Element, the sub-pixel include the first sub-pixel and multiple second sub-pixels, and the area of first sub-pixel is greater than described the
The area of two sub-pixels, multiple sub-pixels in the same pixel unit, along the pixel unit in the pixel
Orientation in row is arranged, between two be located in the two neighboring pixel column, first sub-pixel,
The width of a pixel unit of the X that is staggered, wherein X is the integral multiple of 1/n, and n is the sub- picture for including in the pixel unit
The number summation of element.The display base plate pixel unit arrangement mode can save the area that each pixel unit occupies, so as to
To improve the aperture opening ratio and resolution ratio of the display base plate.
According to an embodiment of the invention, the luminescent lifetime of the first sub-pixel, is shortest in multiple sub-pixels.By
This, can be further improved the display performance of the display base plate.
According to an embodiment of the invention, first pixel arrangement is in the edge of the pixel unit.Thus, it is possible to
Further increase the display performance of the display base plate.
According to an embodiment of the invention, the pixel unit includes sub-pixel described in odd number, first sub-pixel position
In the center of the pixel unit.Thus, it is possible to further increase the display performance of the display base plate.
According to an embodiment of the invention, first sub-pixel is blue subpixels, second sub-pixel is red son
Pixel or green sub-pixels, the blue subpixels are between the red sub-pixel and the green sub-pixels.As a result, may be used
Further to save the area of single pixel unit occupancy.
In another aspect of the invention, the invention proposes dot structures in a kind of determining emissive type display base plate
Method.The dot structure includes multiple pixel columns, and each pixel column includes multiple pixel units being arranged successively, described
With the sub-pixel of multiple and different colors in pixel unit, the sub-pixel includes the first sub-pixel and multiple second sub- pictures
Element, the area of first sub-pixel are greater than the area of second sub-pixel, multiple described in the same pixel unit
Sub-pixel is arranged along orientation of the pixel unit in the pixel column, which comprises based on comparison
Pixel arrangement strategy calculates the first opening for obtaining the emissive type display base plate under the comparison pixel arrangement strategy
Rate, the comparison pixel arrangement strategy includes: two first sub-pixels being located in the two neighboring pixel column
Between face setting, first sub-pixel have first comparison area, second sub-pixel have second comparison area；Base
It arranges in actual pixels tactful, calculates obtain the emissive type display base plate under actual pixels arrangement strategy second
Aperture opening ratio, the actual pixels arrangement strategy includes: two described first for enabling and being located in the two neighboring pixel column
Between sub-pixel, the width for the X pixel units that are staggered, wherein X is the integral multiple of 1/n, and n is to wrap in the pixel unit
The number summation of the sub-pixel contained；Based on first aperture opening ratio, second aperture opening ratio and first contrasting surfaces
Long-pending, the described second comparison area, determines the first real area of the first sub-pixel described in the actual pixels arrangement strategy, with
And the second real area of second sub-pixel, wherein first real area is greater than the first comparison area, described
Second real area is greater than the second comparison area.
According to an embodiment of the invention, the luminescent lifetime of the first sub-pixel, is shortest in multiple sub-pixels.
According to an embodiment of the invention, amplification, described of first real area compared to the first comparison area
Second real area is no more than second aperture opening ratio compared to described first compared to the amplification of the second comparison area
The amplification of aperture opening ratio.
In an additional aspect of the present invention, the invention proposes a kind of display devices.The display device includes noted earlier
Display base plate alternatively, the dot structure in the display device determined using mentioned-above method.This is aobvious as a result,
Showing device have many advantages, such as that high resolution, aperture opening ratio are high, preparation process is simple, low production cost, yields are high at least it
One.
According to an embodiment of the invention, the display device is quantum dot self-emission display apparatus.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of display base plate according to an embodiment of the invention；
Fig. 2 shows the structural schematic diagram of the display base plate of existing self-luminous display device；
Fig. 3 shows the structural schematic diagram of display base plate according to an embodiment of the invention；
Fig. 4 shows the flow diagram of the method for determining dot structure in accordance with another embodiment of the present invention；And
Fig. 5 shows the structural schematic diagram of display device according to an embodiment of the invention.
Description of symbols:
100: substrate substrate；200: pixel unit；210: the first sub-pixels；220: the second sub-pixels；1000: display dress
It sets.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In one aspect of the invention, the invention proposes a kind of display base plates in self-luminous display device.
According to an embodiment of the invention, the display base plate includes: substrate substrate 100 and multiple pixel columns, multiple pixels with reference to Fig. 1
Row is arranged on substrate substrate 100, and each pixel column includes multiple pixel units 200 being arranged successively.Have in pixel unit 200
There is the sub-pixel of multiple and different colors, sub-pixel includes the first sub-pixel 210 and multiple second sub-pixels 220 (such as institute in figure
The 220A and 220B shown), the area of the first sub-pixel 210 is greater than the area of the second sub-pixel 220.Same pixel unit
Multiple sub-pixels in 200 are arranged along orientation of the pixel unit 200 in pixel column: as shown in Figure 1, multiple
Pixel unit 200 is arranged in along capable direction, and the multiple pixel columns of the formation on substrate substrate 100 are (as shown in the figures
Two).It is located between two the first sub-pixels 210 in two neighboring pixel column, the width of the X pixel unit 200 that be staggered
Degree.In other words, any one first sub-pixel 210 in a pixel column, and positioned at in adjacent pixel column
Between first sub-pixel 210, the width of the X pixel unit 200 that be staggered.Wherein, X is the integral multiple of 1/n, and n is pixel unit 200
In include sub-pixel number summation.The display base plate pixel unit arrangement mode can save what each pixel unit occupied
Area, so as to improve the aperture opening ratio and resolution ratio of the display base plate.
Below according to specific embodiments of the present invention, explanation is explained in detail to the specific structure of the display base plate:
As previously mentioned, the display base plate is in self-luminous display device.Since self-luminous display device is sent out
The characteristic of photosphere material causes in the display base plate for the display device of the type, and the color of the sub-pixel of different colours is not
Together.And in conventional dot structure, the sub-pixel with same color is often what face arranged: Fig. 2 is referred to, in this premise
Under, when multiple sub-pixels in the same pixel unit successively arrange (i.e. side by side arrangement mode) according to same direction
When, then in each pixel unit 200, some equal area is unable to due to being not provided with luminescent layer for shining (such as the
Region around one sub-pixel 210): the area of the area of the first sub-pixel 210 and multiple second sub-pixels 220 is not phase
Deng.Therefore, cause there is most of area to be wasted in a column at 220 place of the second sub-pixel.
Display base plate according to an embodiment of the present invention, by the way that maximum first sub-pixel of area is staggered, so as to
To be more reasonably utilized the space of substrate substrate 100: Fig. 1 is referred to, since the area of the first sub-pixel is maximum, each pixel list
Member longest long side be all determined by the length of the first sub-pixel, as long as therefore the first sub-pixel is staggered, can
To save space to greatest extent.Also, when the first sub-pixel is carried out staggered, it is only necessary to by the distance controlling being staggered 1/
The integral multiple of n, the area of remaining the second sub-pixel are respectively less than the first sub-pixel, therefore the first arrangement of subpixels is in office
The lower section of one the second sub-pixel of meaning, can save arrangement area.
According to an embodiment of the invention, specific luminescent color, shape and the luminescent layer of the first sub-pixel, the second sub-pixel
Material is not particularly limited.Such as emitting layer material can be organic matter (being used to form oled display substrate) or quantum dot
(being used to form QLED display base plate).The number of second sub-pixel is also not particularly limited, and those skilled in the art can basis
Specific scheme of colour is selected.According to an embodiment of the invention, in the first sub-pixel luminescent layer luminescent lifetime, Ke Yiwei
It is shortest in multiple sub-pixels.Since the area of the first sub-pixel is larger, such design can guarantee multiple sub-pixels
The Integral luminous service life is similar, thus, it is possible to further increase the display performance of the display base plate.
According to an embodiment of the invention, in the same pixel unit 200, the first sub-pixel 210 and multiple second sub-pixels
220 specific arrangement mode is not particularly limited, as long as along single direction (being such as arranged in a row or column).According to
Specific embodiments of the present invention, the first sub-pixel 210 can be arranged in the edge of pixel unit 200 (as shown in Figure 1
).
Other embodiments according to the present invention, the first sub-pixel 210 can be arranged in the middle part of pixel unit 200, it may be assumed that
Along the direction of arrangement of subpixels, the two sides of the first sub-pixel 210 can be placed with the second sub-pixel 220.According to the present invention
One specific embodiment, with reference to Fig. 3, pixel unit 200 includes odd number sub-pixel, and the first sub-pixel position 200 is in pixel list
The center of member 200.Thus, it is possible to further increase the display performance of the display base plate.It should be strongly noted that " being located at picture
The position where the first sub-pixel 210 is refered in particular in the center of plain unit ", is located in pixel unit 200 along arrangement of subpixels direction
On midpoint.It is specific: Fig. 3 to be referred to, when the synthesis of the number for the sub-pixel for including in pixel unit is odd number (as schemed
Shown in 3), and the first sub-pixel 210 is located at the center of pixel unit 200, then the second of 210 two sides of the first sub-pixel
The number of sub-pixel is equal.Therefore, the symmetry in region occupied by each pixel unit 200 is also more preferable.Work as phase as a result,
When pixel unit 200 in adjacent two pixel columns carries out staggered, vacancy can also be preferably utilized, thus more fully
Utilize the area of substrate substrate 100.A specific embodiment according to the present invention, the first sub-pixel can be blue subpixels,
Second sub-pixel is red sub-pixel or green sub-pixels, and blue subpixels are between red sub-pixel and green sub-pixels.
Thus, it is possible to further save the area that single pixel unit occupies.
In other words, a specific embodiment according to the present invention, pixel unit 200 can be pentagon design, the
In one-row pixels row, the maximum blue subpixels of elemental area are located at the middle position of pixel unit 200, small red of elemental area
Sub-pixels and green sub-pixels are arranged in two sides, and in the second row pixel column, the maximum blue subpixels of elemental area are in red
As the centre in gap, red sub-pixel is in the red sub-pixel of lastrow and the seam of blue subpixels for sub-pixels and green
In gap, green sub-pixels are in the green sub-pixels of lastrow and the centre of red sub-pixel.
It should be strongly noted that pixel unit 200 needs multiple sub-pixel collective effects, colored display can be realized
Function.In partial pixel unit 200 shown in Fig. 3 and not completely shown whole sub-pixel, but illustrate only multiple
Arrangement mode between pixel unit 200, to illustrate substrate according to an embodiment of the present invention is how to realize to improve substrate substrate
Utilization rate.
Since substrate substrate 100 is preferably utilized in above-mentioned arrangement mode, reduce the area for being not used in luminous region,
Therefore the substrate can enable the self-luminous display device have higher aperture opening ratio when being used for display device.According to this hair
The substrate of bright embodiment, with it is traditional be arranged successively mode (side by side) compared with, aperture opening ratio can obtain about 20%
It is promoted.In addition, inventors have found that above-mentioned arrangement mode can also increase the resolution ratio of self-luminous display device: this field skill
It is that, when the size of a certain display device determines, the area of substrate substrate 100 is a determining numerical value known to art personnel
(such as 5.5 inch screens, 6 inch screens).Also therefore, multiple pixel units 200 are by rationally arranging, the face saved
Product, can be used for accommodating more pixel units 200, so as to improve the resolution ratio of the display device.Also, invention human hair
It is existing, due to the reasonable setting of pixel arrangement and dot structure, come without going through the area for excessively reducing each sub-pixel
Realize the raising of resolution ratio.Sub-pixel in pixel unit 200 according to an embodiment of the present invention, acceptable appropriate area increased,
So as to avoid when preparing the materials such as luminescent layer, to the high-precision requirement of the equipment such as inkjet printing or vacuum evaporation.By
This, can further decrease the production cost of the substrate, improve production efficiency and product yield.
In another aspect of this invention, the invention proposes a kind of sides of dot structure in determining emissive type display base plate
Method.According to an embodiment of the invention, the dot structure can have possessed by the pixel unit in foregoing substrate entirely
Portion's feature and a little.That is: dot structure includes multiple pixel columns, and each pixel column includes multiple pixel lists being arranged successively
Member, with the sub-pixel of multiple and different colors in pixel unit, sub-pixel includes the first sub-pixel and multiple second sub-pixels,
The area of first sub-pixel is greater than the area of second sub-pixel, the sub-pixel in same pixel unit, along described
Orientation of the pixel unit in the pixel column is arranged.According to an embodiment of the invention, the first sub-pixel shines
Service life can be shortest in multiple sub-pixels.With reference to Fig. 4, this method comprises:
S100: it based on comparison pixel arrangement strategy, calculates and obtains emissive type display base plate in comparison pixel arrangement strategy
Under the first aperture opening ratio
Firstly, in this step, based on comparison pixel arrangement strategy, calculating and obtaining emissive type display base plate in comparison picture
The first aperture opening ratio under element arrangement strategy.Compare the arrangement mode of multiple pixel units, the same pixel in pixel arrangement strategy
The arrangement mode of the type of multiple sub-pixels and multiple sub-pixels inside the pixel unit is as previously mentioned, but divide in unit
Face is arranged not between two the first sub-pixels of adjacent rows.In other words, the pixel knot of pixel arrangement strategy is compared
Structure can be as shown in Figure 2.Compare pixel arrangement strategy under the first sub-pixel have first comparison area, second
Sub-pixel has the second comparison area.First comparison area and the second comparison area can be same type pixel arrangement strategy
Common sub-pixel area in (being arranged successively, side by side).
It will be appreciated to those of skill in the art that when preparing display base plate or display device, be usually all according to
Scheduled resolution ratio (resolution ratio of such as customer requirement) is designed.When size, the predetermined resolution of display base plate determine
In the case of, it can both be calculated according to the pixel arrangement strategy (i.e. comparison pixel arrangement strategy) of above-mentioned determination and obtain the display panel
Aperture opening ratio.According to a particular embodiment of the invention, aperture opening ratio can determine according to the following formula:
Wherein, Loriginal luminanceFor the original intensity of each sub-pixel, Lpixel brightnessFor the bright of pixel unit
Degree, AR are aperture opening ratio, and lifetime is the luminescent lifetime of each sub-pixel, and n and Constant are constant.
S200: being arranged tactful based on actual pixels, and calculating acquisition emissive type display base plate is arranged tactful in actual pixels
Under the second aperture opening ratio
According to an embodiment of the invention, it is aobvious to calculate acquisition emissive type based on actual pixels arrangement strategy in this step
Show second aperture opening ratio of the substrate under actual pixels arrangement strategy.Specifically, multiple pixel units in actual pixels arrangement strategy
Arrangement mode, in the same pixel unit type of multiple sub-pixels and multiple sub-pixels inside the pixel unit
Arrangement mode is as previously mentioned, but be located between two the first sub-pixels of adjacent rows, the width of the X pixel unit that be staggered
Degree.Detailed description has been carried out in the front that is specifically defined of X, and details are not described herein.Specifically, X is the integral multiple of 1/n, n is
The number summation for the sub-pixel for including in pixel unit.In other words, actual pixels arrangement strategy dot structure, can be as
Shown in Fig. 1 or Fig. 3.Actual pixels arrangement strategy is the picture that the method described according to embodiments of the present invention finally determines
Plain arrangement mode.The number of the second sub-pixel of actual pixels arrangement strategy and comparison pixel arrangement strategy, multiple sub-pixels
Color is all the same.That is: comparison pixel arrangement strategy is identical with the scheme of colour of actual pixels arrangement strategy.
Herein it should be strongly noted that when determining dot structure according to this method, determination be with specific dimensions,
And the dot structure of the display base plate of resolution requirement.The pixel as determined by the method described according to embodiments of the present invention
Structure has arrangement mode identical with the pixel unit in previously described display base plate, therefore according to an embodiment of the present invention
Dot structure determined by method also can achieve relatively conventional higher resolution ratio of arranging.That is: for the display base of same size
Plate, actual pixels arrangement strategy can have resolution ratio more higher than comparison pixel arrangement strategy.About actual pixels arrangement plan
Slightly how to realize the detail of increase resolution, before detailed description has been carried out, details are not described herein.
S300: it based on the first aperture opening ratio, the second aperture opening ratio and the first comparison area, the second comparison area, determines practical
The area of pixel arrangement strategy sub-pixel
According to an embodiment of the invention, in this step, being based on first aperture opening ratio, second aperture opening ratio and institute
The first comparison area is stated, determines the first real area of the first sub-pixel in actual pixels arrangement strategy.It is opened based on described first
Second comparison area described in mouth rate, second aperture opening ratio determines that second of the second sub-pixel in actual pixels arrangement strategy is real
Interphase product.Wherein, the first real area is greater than the first comparison area, and the second real area is greater than the second comparison area.
As previously described, because the pixel arrangement mode in actual pixels arrangement strategy is more reasonable, therefore can be promoted aobvious
Show the resolution ratio of substrate.Also, it is also bigger than the first aperture opening ratio to calculate the second aperture opening ratio obtained.It arranges about actual pixels tactful
How to realize the promotion of aperture opening ratio, before detailed description has been carried out, details are not described herein.Due to aperture opening ratio and resolution ratio
Promotion can realize (i.e. actual pixels arrangement strategy) by reasonable pixel arrangement, therefore can suitably increase each
The area of sub-pixel, to advantageously reduce the requirement for production equipment precision during the preparation process.
According to an embodiment of the invention, amplification, second real area of first real area compared to the first comparison area
Compared to the amplification of the second comparison area, it is no more than amplification of second aperture opening ratio compared to the first aperture opening ratio.In other words,
Two aperture opening ratio AR2Compared to the first aperture opening ratio AR1Amplification Δ AR are as follows:
Δ AR=(AR2–AR1)/AR1,
First real area S1realCompared to the first comparison area S1contrastAmplification Δ S1 are as follows:
Δ S1=(S1real–S1contrast)/S1real,
Second real area S2realCompared to the second comparison area S2contrastAmplification Δ S2 are as follows:
Δ S2=(S2real–S2contrast)/S2real,
Δ S1 and Δ S2 are no more than Δ AR.
Thus, it is possible to increase the face of each sub-pixel under the premise of ensuring that resolution ratio and aperture opening ratio are promoted
Product.It should be strongly noted that when including multiple second sub-pixels in actual pixels arrangement strategy, each second sub-pixel
Area is that foundation compares in pixel arrangement strategy, what the area of identical second sub-pixel of color determined: when actual pixels are arranged
When the scheme of colour of strategy and comparison pixel arrangement strategy is RGB, the second sub-pixel can be red sub-pixel or green
Sub-pixels.The area of red sub-pixel in actual pixels arrangement strategy is according to sub- picture red in comparison pixel arrangement strategy
The area of element and determination.
In still another aspect of the invention, the invention proposes a kind of display devices.According to an embodiment of the invention, with reference to figure
5, which includes mentioned-above display base plate, alternatively, the dot structure in the display device 1000, is to utilize
What mentioned-above method determined.The display device has that high resolution, aperture opening ratio are high, preparation process is simple, are produced into as a result,
At least one of the advantages that this is cheap, yields is high.
According to a particular embodiment of the invention, which is self-luminous display device.Such as can for OLED or
QLED.It more specifically, can be quantum dot self-emission display apparatus.
The embodiments described below, unless otherwise indicated, used material are available on the market, preparation side
Method can be method commonly used in the art, and formula commonly used in the art can be used in calculation formula, or true according to the above-mentioned embodiment of the present invention
It is fixed.
Embodiment 1
Embodiment 1 is the quantum dot light emitting display device using RGB scheme of colour.Blue subpixels area is maximum, and
Among red sub-pixel and green sub-pixels.Two blue subpixels of adjacent rows are staggered one third pixel unit
Width arrangement.Pixel arrangement mode can be as shown in Figure 3.
Comparative example 1
Comparative example 1 is the quantum dot light emitting display device using RGB scheme of colour.Blue subpixels area is maximum, and
Among red sub-pixel and green sub-pixels.Two blue subpixels faces of adjacent rows are arranged.Pixel arrangement mode
It can be as shown in Figure 2.
The sub-pixel size of same color is equal in embodiment 1 and comparative example 1, and the size of display base plate is also equal
When, the resolution ratio of the display device of embodiment 1 and comparative example 1 to different pixels cell size is tested, test result
It is as shown in table 1:
Table 1
It is as shown in the table, comparative example 1 (traditional side by side pixel design), when pixel size is (single for measuring
The area that pixel unit occupies) it is 300 μm (quadrangle), resolution ratio 85PPI.When RGB sub-pixel area does not change in embodiment 1
In the case where change, the area that single pixel unit occupies reduces, and pixel size is reduced to 250 μm (pentagons), and resolution ratio increases
To 102PPI.
When the pixel size of comparative example 1 (traditional side by side pixel design) is 60 μm, obtainable resolution
Rate is 423PPI, and embodiment 1 is in the immovable situation of RGB sub-pixel area, and it is 50 μm that pixel size, which can reduce, resolution ratio
Increase to 508PPI.
It can be seen that above-mentioned pixel unit according to an embodiment of the present invention, has the advantages that resolution ratio can be promoted.Together
When, due to the area equation (area that can be shone is equal) of 1 sub-pixel of embodiment 1 and comparative example, and embodiment 1
Pixel size be less than the pixel size of comparative example 1, therefore the aperture opening ratio of embodiment 1 is also promoted compared with comparative example 1.
In the description of this specification, the description of reference term " one embodiment ", " another embodiment " etc. means to tie
The embodiment particular features, structures, materials, or characteristics described are closed to be included at least one embodiment of the present invention.At this
In specification, the schematic representation of the above terms does not necessarily have to refer to the same embodiment or example.Moreover, the tool of description
Body characteristics, structure, material or feature may be combined in any suitable manner in any one or more of the embodiments or examples.This
Outside, without conflicting with each other, those skilled in the art by different embodiments described in this specification or can show
The feature of example and different embodiments or examples is combined.In addition, it is necessary to illustrate, in this specification, term
" first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicate meaning
The quantity of the technical characteristic shown.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of display base plate in self-luminous display device characterized by comprising
Substrate substrate；And
Multiple pixel columns, the multiple pixel column are arranged on the substrate substrate, each pixel column include it is multiple successively
The pixel unit of arrangement, with the sub-pixel of multiple and different colors in the pixel unit, the sub-pixel includes the first sub- picture
Plain and multiple second sub-pixels, the area of first sub-pixel are greater than the area of second sub-pixel, the same picture
Multiple sub-pixels in plain unit, are arranged along orientation of the pixel unit in the pixel column,
Between two be located in the two neighboring pixel column, first sub-pixel, be staggered the X pixel units
Width,
Wherein, X is the integral multiple of 1/n, and n is the number summation for the sub-pixel for including in the pixel unit.
2. display base plate according to claim 1, which is characterized in that the luminescent lifetime of first sub-pixel is multiple
It is shortest in the sub-pixel.
3. display base plate according to claim 1, which is characterized in that first pixel arrangement is in the pixel unit
Edge.
4. display base plate according to claim 1, which is characterized in that the pixel unit includes sub- picture described in odd number
Element, first sub-pixel are located at the center of the pixel unit.
5. display base plate according to claim 1 or 2, which is characterized in that first sub-pixel is blue subpixels, institute
Stating the second sub-pixel is red sub-pixel or green sub-pixels, and the blue subpixels are located at the red sub-pixel and described green
Between sub-pixels.
6. a kind of method of dot structure in determining emissive type display base plate, which is characterized in that the dot structure includes more
A pixel column, each pixel column include multiple pixel units being arranged successively, and are had in the pixel unit multiple and different
The sub-pixel of color, the sub-pixel include the first sub-pixel and multiple second sub-pixels, the area of first sub-pixel
Greater than the area of second sub-pixel, multiple sub-pixels in the same pixel unit, along the pixel unit
Orientation in the pixel column is arranged, which comprises
Based on comparison pixel arrangement strategy, calculates and obtain the emissive type display base plate under the comparison pixel arrangement strategy
The first aperture opening ratio, the comparison pixel arrangement strategy includes: described in be located in the two neighboring pixel column two
Face is arranged between first sub-pixel, and first sub-pixel has the first comparison area, and second sub-pixel has second
Compare area；
It is arranged based on actual pixels tactful, calculates and obtain the emissive type display base plate under actual pixels arrangement strategy
The second aperture opening ratio, actual pixels arrangement strategy includes: described in be located in the two neighboring pixel column two
Between first sub-pixel, the width for the X pixel units that are staggered, wherein X is the integral multiple of 1/n, and n is the pixel unit
In include the sub-pixel number summation；
Based on first aperture opening ratio, second aperture opening ratio and the first comparison area, the second comparison area, really
The second of first real area of the first sub-pixel described in the fixed actual pixels arrangement strategy and second sub-pixel
Real area,
Wherein, first real area is greater than the first comparison area, and second real area is greater than described second pair
Specific area.
7. according to the method described in claim 6, it is characterized in that, the luminescent lifetime of the first sub-pixel, is multiple sub- pictures
It is shortest in element.
8. according to the method described in claim 6, it is characterized in that, first real area is compared to first contrasting surfaces
Long-pending amplification, second real area are no more than second aperture opening ratio compared to the amplification of the second comparison area
Compared to the amplification of first aperture opening ratio.
9. a kind of display device, which is characterized in that including the described in any item display base plates of claim 1-5, alternatively, described aobvious
Dot structure in showing device is determined using the described in any item methods of claim 6-8.
10. display device according to claim 9, which is characterized in that the display device is that quantum dot self-luminous is shown
Device.
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| CN109830514A (en) * | 2019-01-18 | 2019-05-31 | 云谷（固安）科技有限公司 | Pixel arrangement structure and display device |
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| US20160284769A1 (en) * | 2015-03-25 | 2016-09-29 | Hon Hai Precision Industry Co., Ltd. | Structure of pixel |
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