CN206340548U - OLED pixel arrangement, metal mask plate and OLED display screen - Google Patents
OLED pixel arrangement, metal mask plate and OLED display screen Download PDFInfo
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- CN206340548U CN206340548U CN201621438066.XU CN201621438066U CN206340548U CN 206340548 U CN206340548 U CN 206340548U CN 201621438066 U CN201621438066 U CN 201621438066U CN 206340548 U CN206340548 U CN 206340548U
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Abstract
The utility model discloses a kind of OLED pixel arrangement, metal mask plate and OLED display screen, to solve due to the limitation of mask plate preparation technology, and the smaller mask plate of opening size can not be produced, and then lead to not improve OLED display resolution ratio the problem of.Including：Multiple pixel cells, pixel cell includes red pixel cell, green pixel cell and blue pixel cells, pixel cell arranged in sequence is into array, each row/column of array includes the pixel cell of two kinds of colors, the pixel cell of two kinds of colors is spaced in a row/row, and two adjacent row/columns include a kind of pixel cell of same color；Blue pixel cells, red pixel cell and green pixel cell include four sub-pixels respectively.
Description
Technical field
The utility model is related to OLED display technology fields, more particularly to a kind of OLED pixel arrangement, metal mask
Plate and OLED display screen.
Background technology
Using organic light-emitting diode display (Organic Light-Emitting Display, OLED) technology, prepare
OLED display panel, because it has the advantages that small volume, simple in construction, brightness be high, image quality is good and power saving, be increasingly becoming
The mainstream development direction of display technology field.
And required to meet user for viewing image quality is higher and higher, the production firm of various displays is also continuous
Raising display resolution ratio.
The general principle that current Display Technique is used all is identical, i.e., constitute one with the sub-pixels of red, green, blue three
Individual pixel, the color of each pixel can by adjust the gray scale of three sub-pixels of red, green, blue and mix come,
And the shown image out of display it is actual be exactly the dispaly state of all pixels point on display set.Work as unit area
When interior pixel is more, the image detail that can be showed is also more, that is to say, that the resolution ratio of display is higher.
As can be seen here, in order to improve the resolution ratio of OLED display to greatest extent, generally require to show OLED
The size of pixel on device is made smaller as far as possible, to improve the pixel included in OLED display unit area
Number.
For OLED display, each pixel in OLED display is typically all to utilize evaporation film-forming technology, will be had
Machine material is deposited with the phase on array base palte (Array substrates) through fine metal mask plate (fine metal mask, FMM)
The location of pixels answered, and form organic emitting components.It can be seen that, the size of pixel is often directly by mask in OLED display
The opening size of plate determined, thus prior art is often through the preparation technology for improving mask plate, to prepare out as far as possible
The mouth less mask plate of size, and then reach the purpose for improving OLED display resolution ratio.
However, due to the limitation of fine metal mask plate preparation technology, can not have been prepared by existing preparation method
The smaller mask plate of opening size, thus the resolution ratio of OLED display can not further be improved using prior art
.
Utility model content
The utility model provides a kind of OLED pixel arrangement, to solve due to the limitation of mask plate preparation technology,
And the smaller mask plate of opening size can not be produced, and then lead to not improve OLED display resolution ratio the problem of.
The utility model also provides a kind of metal mask plate, to solve due to the limitation of mask plate preparation technology, and nothing
Legal system produces the smaller mask plate of opening size, and then the problem of lead to not improve OLED display resolution ratio.
The utility model also provides a kind of OLED display screen.
The utility model uses following technical proposals：
A kind of OLED pixel arrangement, including multiple pixel cell groups, the pixel cell include red pixel cell,
Green pixel cell and blue pixel cells, the pixel cell arranged in sequence into array, wherein, the array it is each
Row/column includes the pixel cell of two kinds of colors, and the pixel cell of described two colors is spaced in a row/row, and adjacent
Two row/columns include a kind of pixel cell of same color；
The blue pixel cells, red pixel cell and green pixel cell include four sub-pixels respectively.
Preferably, three sub-pixels adjacent with adjacent pixel unit respectively of each sub-pixel in the pixel cell
Constitute an imaging pixel.
Preferably, odd-numbered line is spaced by the pixel cells of blueness and green two kinds of colors and constituted in the array；Institute
State even number line in array and be spaced by the pixel cells of green and red two kinds of colors and constituted.
Preferably, odd number shows blueness in the array and the pixel cell of green two kinds of colors is spaced composition；Institute
State even column in array and be spaced by the pixel cells of green and red two kinds of colors and constituted.
Preferably, the area of the red pixel cell, green pixel cell and blue pixel cells is identical.
Preferably, the pixel cell is shaped as square.
Preferably, four sub-pixels are located at four drift angles of the square pixel unit respectively in the pixel cell.
Preferably, the area of four sub-pixels is identical in the pixel cell.
It is a kind of be used to manufacture the metal mask plate of pixel cell in OLED pixel arrangement, including multiple be arranged in order
Square openings, the opening is used to form pixel cell；The opening offset preset distance of adjacent lines.
A kind of OLED display screen, including the OLED pixel arrangement that the utility model is provided.
The beneficial effect that the utility model can reach is：
OLED pixel arrangement provided by the utility model, includes the picture of red, green and blue three kinds of colors
Plain unit, those pixel cell arranged in sequence into array, wherein, each row/column of array includes the pixel cell of two kinds of colors,
The pixel cell of described two colors is spaced in a row/row, and two adjacent row/columns include a kind of pixel of same color
Unit；These pixel cells are all to make what is formed by the opening on metal mask plate, and this is with each pixel list in new
Member all includes four sub-pixels, and three sub-pixels adjacent with adjacent pixel unit constitute one and shown each sub-pixel respectively
It as pixel, therefore can reach under the preparation process condition of existing metal mask plate, not change mask plate opening size
In the case of, smaller imaging pixel is produced, so that there is provided the resolution ratio of OLED display screen.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings：
A kind of specific schematic diagram for OLED pixel arrangement that Fig. 1 provides for the embodiment of the present application；
A kind of schematic diagram for imaging pixel sub-pixel arrangement mode that Fig. 2 provides for the embodiment of the present application；
The schematic diagram for another imaging pixel sub-pixel arrangement mode that Fig. 3 provides for the embodiment of the present application；
A kind of arrangement mode schematic diagram for same pixel cell sub-pixel that Fig. 4 provides for the embodiment of the present application；
A kind of structural representation for metal mask plate that Fig. 5 provides for the embodiment of the present application；
The structural representation for another metal mask plate that Fig. 6 provides for the embodiment of the present application；
The structural representation for another metal mask plate that Fig. 7 provides for the embodiment of the present application.
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the application one
Section Example, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the application protection.
Below in conjunction with accompanying drawing, the technical scheme that the utility model is provided is described in detail.
The embodiment of the present application provides a kind of OLED pixel arrangement, to solve due to the limit of mask plate preparation technology
The problem of making, and the smaller mask plate of opening size can not be produced, and then lead to not improve OLED display resolution ratio.
As shown in figure 1, a kind of schematic diagram of the OLED pixel arrangement provided for the embodiment of the present application.It is each empty in figure
Line square one pixel cell of wire frame representation, and the square wire frame of four solid lines encloses region representation in each pixel cell group
Four sub-pixels included in the pixel cell, and the English alphabet capitalized in the square wire frame of solid line represents the face of the sub-pixel
Color, for example, being respectively marked with capitalization English letter in the solid line square-shaped frame of expression sub-pixel in the pixel cell in the upper left corner in Fig. 1
" B ", then it represents that the pixel cell is " blue pixel cells ", the sub-pixel included in the pixel cell is also blue subpixels.
Indicate each sub-pixel in pixel it should be noted that solid line square in Fig. 1 in each pixel cell is simply exemplary
The location of in unit, the shape for the sub-pixel being not offered as in the pixel cell that is provided in the embodiment of the present application.Need
Bright, the shape of each sub-pixel can be polygon in pixel cell in the embodiment of the present application, such as square, rectangular
Shape, triangle etc., or the shape of sub-pixel can also be circle, the embodiment of the present application is to each sub-pixel in pixel cell
Shape is not limited.
In the OLED pixel arrangement provided in the embodiment of the present application, include the pixel cell of three kinds of colors, be respectively
Red pixel cell, blue pixel cells and green pixel cell, those pixel cell arranged in sequence are into picture as shown in Figure 1
Pixel array.And the OLED pixel arrangement provided according to the embodiment of the present application, every a line of pel array is all including two kinds of face
The pixel cell of color, in the same row the pixel cell of two kinds of colors be spaced, for example, in pel array as shown in Figure 1,
The first row is made up of the pixel cell of blueness and green two kinds of colors, and blue pixel cells and green pixel list in the first row
Member is spaced.And in pel array, two adjacent rows include a kind of pixel cell of same color, as shown in figure 1,
The first row includes viridescent pixel cell with the second row.
Equally, each row of pel array also all include the pixel cell of two kinds of colors, and in same row, two kinds of face
The pixel cell of color is spaced.For example, in pel array as shown in Figure 1, first row is by two kinds of colors of blueness and green
Pixel cell is constituted, and blue pixel cells are spaced with green pixel cell in first row.And with pel array
Adjacent lines are similar, and two adjacent row also all include a kind of pixel cell of same color.
Usually, each imaging pixel by the sub-pixel group of red, green and blue three kinds of colors into and then can be with
By controlling the luminous intensity of the sub-pixel of each color in imaging pixel, to allow imaging pixel to send various different face
The light of color.As can be seen here, can be by what is provided in the embodiment of the present application, the pixel cell comprising red, green and blueness is made
For one imaging pixel, for example as shown in Fig. 2 can by two adjacent green pixel cells, a red pixel cell with
And a blue pixel cells constitute an imaging pixel.But it is due to the pursuit that current user images image quality to display screen, uses
The higher the better for the resolution ratio of family often desired display screen, therefore when generating display screen, manufacturer is often desirable on display screen
Imaging Pixel Dimensions can be with the smaller the better, the imaging pixel quantity density in unit area bigger, and then reach to carry
The effect of high display resolution.
In order to reach the effect above, in another embodiment, the pixel list that can be provided by the embodiment of the present application
Three adjacent sub-pixels composition one shows pixel in the sub-pixel and adjacent pixel unit that are included in member, according to such side
Four sub-pixels included in formula, a pixel cell can constitute four with the sub-pixel in adjacent pixel cell respectively and show
As pixel.
For example, as shown in figure 3, four sub-pixels in figure represented by shadow region are phase in four adjacent pixel cells
Adjacent sub-pixel, and this four sub-pixels are respectively：Two green sub-pixels, a blue sub-pixel and a red
Sub-pixel, then using this four adjacent sub-pixels, may be constructed one imaging pixel.And it is obvious that compared to such as Fig. 2 institutes
The imaging pixel constituted mode shown, the size for the imaging pixel that the pixel arrangement structure provided according to the embodiment of the present application is constituted is bright
It is aobvious smaller, therefore the pixel arrangement structure provided using the application, the display screen being made can be made compared to using prior art
Pixel quantity is imaged in the display screen being made, unit area more, so as to improve the resolution ratio of display screen.
Meanwhile, the pixel arrangement mode provided according to the embodiment of the present application, pel array is by red pixel cell, green picture
Plain unit and blue pixel cells composition, and red, green, blue three kinds of colors are as three primary colors, can be by combining shape
Into shades of colour, therefore the embodiment of the present application is by adjusting the luminous intensities of these three different colours pixel cells, you can make to show
As pixel sends the light of various different colours, the pixel cell without setting other colors, the application is more than additionally setting
A kind of pixel cell of color is deposited with masking process together less, so as to optimize evaporation process to a certain extent.
In the embodiment of the present application, except can by control each sub-pixel in pixel cell respectively with adjacent pixel
Three adjacent sub-pixels are constituted beyond an imaging pixel in unit, can also be by controlling other varying number sub-pixel groups
Into imaging pixel, if ensure to comprise at least in constituted imaging pixel a red sub-pixel, a blue subpixels and
One green sub-pixels, and then adjust by such mode the resolution ratio of display screen.
Two adjacent row/columns are limited in the application includes a kind of pixel cell of same color, makes the manufacture of mask plate more
It is firm and easy, and because pixel cell color adjacent two-by-two is different, display screen is more preferably debugged to a certain extent
Resolution ratio.
It should be noted that the luminous intensity of each sub-pixel often directly determines the imaging pixel institute in imaging pixel
The color of display, and the luminous intensity of each sub-pixel is typically determined by the area of the sub-pixel, for the ease of control imaging picture
The luminous intensity of each sub-pixel in element, preferably to control the color shown by each imaging pixel, in a kind of embodiment party
Can be area identical sub-pixel by the sub-pixel included the setting in pixel cell in formula.That is, in the embodiment of the present application
Blue pixel cells, red pixel cell and green pixel cell include four area identical sub-pixels respectively.
Because each pixel cell is typically all to utilize evaporation film-forming technology in the embodiment of the present application, organic material is passed through
Metal mask plate evaporation formed by substrate, thus pixel cell shape with size often by metal mask plate opening
Shape is determined with size.And it is current, for the ease of the metal mask plate for preparing of mass, it is deposited with for same type display screen
When used metal mask plate opening shape and size be usually identical, then the shape for each pixel cell being deposited with out
It is also often identical with size.That is, it is blue pixel cells that the pixel cell group includes, red in the embodiment of the present application
The shape of color pixel unit and green pixel cell is identical；And the blue pixel cells, red that the pixel cell group includes
The area of color pixel unit and green pixel cell is identical.
It should be noted that the shape of pixel cell can be square in the embodiment of the present application, then wrapped in pixel cell
The sub-pixel contained can be located at four drift angles of the square pixel unit respectively.For example, as shown in figure 1, same pixel
Four sub-pixels in unit can be with the disjunct pixel cell that is located to four drift angles；Or, in same pixel cell
Four sub-pixels can also be connected with each other, i.e., as shown in figure 4, four sub-pixels in same pixel cell are by the pixel list
Member is divided equally into four parts.
The embodiment of the present application additionally provides a kind of metal mask plate, for manufacturing the pixel with above-mentioned pixel arrangement structure
Unit, wherein, be arranged in sequence with multiple square openings on the metal mask plate, and adjacent lines opening offset it is predetermined away from
From.For example as shown in figure 5, a kind of partial schematic diagram of the metal mask plate provided for the embodiment of the present application.
In order to be deposited with out the pixel cell of three kinds of colors, in one embodiment, the embodiment of the present application can provide three
Metal mask plate is planted, to be deposited with out the pixel cell of three kinds of different colours.
It is assumed that three kinds of metal mask plates that the embodiment of the present application is provided can be then used such as Fig. 5 as shown in Fig. 5~7 in figure
Shown metal mask plate is first deposited with out green pixel cell, is then being deposited with out indigo plant using metal mask plate as shown in Figure 6
Color pixel unit, is finally being deposited with out red pixel cell using metal mask plate as shown in Figure 7, so as to be deposited with out as
Pixel arrangement structure shown in Fig. 1.
Meanwhile, the metal mask plate provided using the embodiment of the present application, due to increasing between metal mask plate upper shed
Distance, the intensity of metal mask plate can be increased to a certain extent.
The embodiment of the present application additionally provides a kind of OLED display screen using above-mentioned pixel arrangement structure, due to using display
Show pixel using above-mentioned arrangement on screen, so as to so that imaging pixel increase in display screen unit area, enters
And improve the resolution ratio of display screen.
OLED pixel arrangement provided by the utility model, includes the picture of red, green and blue three kinds of colors
Plain unit, those pixel cell arranged in sequence into array, wherein, each row/column of array includes the pixel cell of two kinds of colors,
The pixel cell of described two colors is spaced in a row/row, and two adjacent row/columns include a kind of pixel of same color
Unit；Wherein each pixel cell is to make what is formed by the opening on metal mask plate, and this is with each picture in new
Plain unit all includes four sub-pixels, and three sub-pixels adjacent with adjacent pixel unit constitute one to each sub-pixel respectively
Individual imaging pixel, therefore can reach under the preparation process condition of existing metal mask plate, do not changing mask plate open-mouth ruler
In the case of very little, smaller imaging pixel is produced, so that there is provided the resolution ratio of OLED display screen.
Embodiments herein is the foregoing is only, the application is not limited to.For those skilled in the art
For, the application can have various modifications and variations.It is all any modifications made within spirit herein and principle, equivalent
Replace, improve etc., it should be included within the scope of claims hereof.
Claims (10)
1. a kind of OLED pixel arrangement, including multiple pixel cells, the pixel cell include red pixel cell, green
Pixel cell and blue pixel cells, it is characterised in that the pixel cell arranged in sequence into array, wherein, the array
Each row/column include the pixel cell of two kinds of colors, the pixel cell of described two colors is spaced in a row/row, and
Two adjacent row/columns include a kind of pixel cell of same color；
The blue pixel cells, red pixel cell and green pixel cell include four sub-pixels respectively.
2. OLED pixel arrangement as claimed in claim 1, it is characterised in that each sub-pixel in the pixel cell
Three sub-pixels adjacent with adjacent pixel unit constitute an imaging pixel respectively.
3. OLED pixel arrangement as claimed in claim 1, it is characterised in that odd-numbered line is by blue and green in the array
The pixel cell of two kinds of colors of color is spaced composition；
Even number line is spaced by the pixel cell of green and red two kinds of colors and constituted in the array.
4. OLED pixel arrangement as claimed in claim 1, it is characterised in that odd column is by blue and green in the array
The pixel cell of two kinds of colors of color is spaced composition；
Even column is spaced by the pixel cell of green and red two kinds of colors and constituted in the array.
5. OLED pixel arrangement as claimed in claim 1, it is characterised in that the red pixel cell, green pixel
The area of unit and blue pixel cells is identical.
6. OLED pixel arrangement as claimed in claim 1, it is characterised in that the pixel cell is shaped as pros
Shape.
7. OLED pixel arrangement as claimed in claim 6, it is characterised in that four sub-pixels point in the pixel cell
Not Wei Yu the square pixel unit four drift angles.
8. OLED pixel arrangement as claimed in claim 1, it is characterised in that four sub-pixels in the pixel cell
Area is identical.
9. a kind of metal for being used to manufacture pixel cell in the OLED pixel arrangement as any one of claim 1~8
Mask plate, it is characterised in that including multiple square openings being arranged in order, the opening is used to form pixel cell；It is adjacent
The capable opening offset preset distance.
10. a kind of OLED display screen, it is characterised in that including OLED pixel arrangement such as according to any one of claims 1 to 8
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621438066.XU CN206340548U (en) | 2016-12-26 | 2016-12-26 | OLED pixel arrangement, metal mask plate and OLED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621438066.XU CN206340548U (en) | 2016-12-26 | 2016-12-26 | OLED pixel arrangement, metal mask plate and OLED display screen |
Publications (1)
| Publication Number | Publication Date |
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| CN206340548U true CN206340548U (en) | 2017-07-18 |
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ID=59302443
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| CN201621438066.XU Active CN206340548U (en) | 2016-12-26 | 2016-12-26 | OLED pixel arrangement, metal mask plate and OLED display screen |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447892A (en) * | 2018-05-11 | 2018-08-24 | 京东方科技集团股份有限公司 | Dot structure, mask plate and oled display substrate |
| WO2020024491A1 (en) * | 2018-08-01 | 2020-02-06 | 武汉华星光电半导体显示技术有限公司 | Method for fabricating oled device, and oled device |
| TWI687529B (en) * | 2018-08-31 | 2020-03-11 | 大陸商雲谷（固安）科技有限公司 | Mask plate typesetting method |
| WO2020140781A1 (en) * | 2019-01-04 | 2020-07-09 | 京东方科技集团股份有限公司 | Pixel structure, display panel and display device |
| CN112786821A (en) * | 2021-02-05 | 2021-05-11 | 华南理工大学 | Preparation method of OLED display screen |
| WO2022166450A1 (en) * | 2021-02-05 | 2022-08-11 | 惠州视维新技术有限公司 | Display panel, display screen, and electronic device |
-
2016
- 2016-12-26 CN CN201621438066.XU patent/CN206340548U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447892A (en) * | 2018-05-11 | 2018-08-24 | 京东方科技集团股份有限公司 | Dot structure, mask plate and oled display substrate |
| CN108447892B (en) * | 2018-05-11 | 2024-04-12 | 京东方科技集团股份有限公司 | Pixel structure, mask plate and OLED display substrate |
| WO2020024491A1 (en) * | 2018-08-01 | 2020-02-06 | 武汉华星光电半导体显示技术有限公司 | Method for fabricating oled device, and oled device |
| TWI687529B (en) * | 2018-08-31 | 2020-03-11 | 大陸商雲谷（固安）科技有限公司 | Mask plate typesetting method |
| US11021784B2 (en) | 2018-08-31 | 2021-06-01 | Yungu (Gu'an) Technology Co., Ltd. | Method of mask layout |
| WO2020140781A1 (en) * | 2019-01-04 | 2020-07-09 | 京东方科技集团股份有限公司 | Pixel structure, display panel and display device |
| US11522018B2 (en) | 2019-01-04 | 2022-12-06 | Fuzhou Boe Optoelectronics Technology Co., Ltd. | Pixel structure, display panel and display apparatus |
| CN112786821A (en) * | 2021-02-05 | 2021-05-11 | 华南理工大学 | Preparation method of OLED display screen |
| WO2022166450A1 (en) * | 2021-02-05 | 2022-08-11 | 惠州视维新技术有限公司 | Display panel, display screen, and electronic device |
| CN112786821B (en) * | 2021-02-05 | 2022-11-18 | 华南理工大学 | Preparation method of OLED display screen |
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