CN110289303A - A kind of dot structure and PMOLED screen body of PMOLED screen body - Google Patents
A kind of dot structure and PMOLED screen body of PMOLED screen body Download PDFInfo
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- CN110289303A CN110289303A CN201910700996.XA CN201910700996A CN110289303A CN 110289303 A CN110289303 A CN 110289303A CN 201910700996 A CN201910700996 A CN 201910700996A CN 110289303 A CN110289303 A CN 110289303A
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- 239000003086 colorant Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000007665 sagging Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 17
- 238000007740 vapor deposition Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229920001621 AMOLED Polymers 0.000 description 1
- PLXMOAALOJOTIY-FPTXNFDTSA-N Aesculin Natural products OC[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](O)[C@H]1Oc2cc3C=CC(=O)Oc3cc2O PLXMOAALOJOTIY-FPTXNFDTSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/17—Passive-matrix OLED displays
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
- H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
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Abstract
This application discloses a kind of dot structure of PMOLED screen body and PMOLED screen bodies；The dot structure includes several pixel units；The pixel unit includes the first colored pixels arranged up and down area and the second colored pixels area.According to technical solution provided by the embodiments of the present application, the pixel unit further includes third colored pixels area, and first colored pixels area and third colored pixels area are located side by side above or below second colored pixels area；The technical solution of the application is different from the shape of the MASK in the prior art using strip opening, the MASK shape of spaced openings can be used, avoid the opening that strip is opened up on MASK, realize the connection in length and breadth of aperture on MASK, avoiding MASK does not have lateral connection in opening two sides and causes to be easy sagging problem, solves the problems, such as in order to avoid MASK cost of manufacture caused by sagging progress special parameter design is high yet.
Description
Technical field
The present disclosure relates generally to organic electroluminescence devices, and in particular to the technical field of PMOLED screen body, more particularly to
The dot structure and PMOLED screen body of PMOLED screen body.
Background technique
By nearly development in 30 years, (full name in English is Organic Light Emitting to organic electroluminescence device
Device, referred to as OLED) as next-generation display technology, have many advantages, such as to respond fast, high contrast, planarization, exist
Display field obtains a degree of application.
Wherein PMOLED color screen obtains in fields such as medical treatment, electronics, wearing product, household electrical appliance because of color abundant
It is widely applied.
The implementation method of usual PMOLED color screen is the array of tri- pixels that are arranged side by side of RGB.By scanning mode, realize
Single-point monochrome/polychrome pixel is lighted.Relative to AMOLED, the brightness of PMOLED simple scan is high, causes picture element flaw or display
Failure probability is big；PMOLED color line screen body single pixel size is smaller relative to conventional monochromatic screen volumetric pixel.So PMOLED is color
The problems such as that there are yields is low, defect is more, manufacturing cost is high for screen screen body, vapor deposition precision MASK makes difficulty.
There are yields that reason low, more than defect has for PMOLED color screen: being driven to scanning side due to PMOLED color screen screen body
Formula, and be simple scan, the brightness of simple scan is high, but once has a pixel because of the particle particle in processing procedure
When causing picture element flaw, display failure will result in, therefore show that failure probability is big.
PMOLED color screen reason at high cost are as follows: as shown in Figure 1, existing PMOLED color screen uses routine RGB tri- not
Pixel region with color is arranged side by side mode, same color pixel in a direction continuous arrangement, and each colored pixels area it
Between interval it is very small, therefore offer the continuous opening of strip on MASK to correspond to the pixel region of each color, such as Fig. 2
Shown, this continuous strip opening so that MASK lacks support during the preparation process, easily deforms, and is preparing
It in the process for Reducing distortion, needs to carry out special parameter design, so that cost of manufacture improves.
Summary of the invention
In view of drawbacks described above in the prior art or deficiency, be intended to provide a kind of PMOLED screen body dot structure and
PMOLED screen body.In a first aspect, the application provides a kind of dot structure of PMOLED screen body, including several pixel units；It is described
Pixel unit includes the first colored pixels area and the second colored pixels area, first colored pixels area and second colored pixels
Area is longitudinally and/or laterally in discontinuous arrangement.
According to technical solution provided by the embodiments of the present application, first colored pixels area and the second colored pixels area are not
Same luminescent color.
According to technical solution provided by the embodiments of the present application, the hair in first colored pixels area and the second colored pixels area
Light color is different, and luminescent color respectively corresponds one of yellow and blue.
According to technical solution provided by the embodiments of the present application, the pixel unit further includes third colored pixels area, described
First colored pixels area and third colored pixels area are located side by side above or below second colored pixels area.According to this Shen
Please embodiment provide technical solution, first colored pixels area, the second colored pixels area, third colored pixels area shine
Color is different, and luminescent color respectively corresponds one of red, blue and green.According to skill provided by the embodiments of the present application
Art scheme, first colored pixels area include the first color sub-pixels area that at least two is connected in parallel；The second color picture
Plain area includes the second color sub-pixels area that at least two is connected in parallel.
According to technical solution provided by the embodiments of the present application, third colored pixels area includes that at least two is connected in parallel
Third color sub-pixels area.
Second aspect, the application provide a kind of PMOLED screen body, and the PMOLED screen body has any one of the above pixel
Structure.
Dot structure provided by the present application, Liang Zhong colored pixels area up and down arrange or three kinds of colored pixels areas in two
Rear and the third colored pixels area arranges kind up and down side by side, different from the shape of the MASK in the prior art using strip opening
Shape can use the MASK shape of spaced openings, avoid the opening for opening up strip on MASK, realize MASK in length and breadth
Connection, avoiding MASK does not have lateral connection in opening two sides and causes to be easy sagging problem, solves in order to avoid under yet
The high problem of MASK cost of manufacture caused by progress special parameter design of hanging down.
In addition, in the prior art due to closely spaced between every vertical setting of types same color pixel region, generally only several microns,
Due to that cannot accomplish the interval of the precision on MASK, during being deposited, every vertical setting of types same color pixel region can be whole
A strip is deposited into, the interval of upper and lower same color pixel region is realized by the setting of the insulating layer of pixel region bottom,
In this way, being formed big vapor deposition shadow (shade) between same color pixel region；And in the technical solution of the application, due to
Other colored pixels are separated between every vertical setting of types same pixel, so that the interval between two same pixels becomes larger, it can be only in picture
It is deposited in plain area, solves the problems, such as that screen body vapor deposition shadow (shade) region is big.
In conclusion the technical solution of the application aperture can realize each colored pixels area on whole MASK
Distribution, relative to the pixel region of production strip opening, individual pixel aperture is opened on MASK can increase support, so that MASK exists
It is not susceptible to deform in preparation process, does not need that the special parameter that is made is arranged, processing procedure is simpler, cost is lower；Meanwhile also by
In the distribution of this kind of dot structure, further each pixel region may be partitioned into multiple sub-pixels, when defect occurs for some sub-pixel,
Integral luminous effect is not influenced, improves product yield.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of a pixel unit in the dot structure of PMOLED screen body in the prior art；
Fig. 2 is the structural schematic diagram of the MASK of PMOLED screen body in the prior art；
Fig. 3 is a kind of structural schematic diagram of embodiment of PMOLED screen volumetric pixel structure in the embodiment of the present application one；
Fig. 4 is the structural schematic diagram of second of embodiment of PMOLED screen volumetric pixel structure in the embodiment of the present application one；
Fig. 5 is the structural schematic diagram of the third embodiment of PMOLED screen volumetric pixel structure in the embodiment of the present application one；
Fig. 6 is the structural schematic diagram of the MASK of the pixel B in corresponding diagram 3；
Fig. 7 is the structural schematic diagram of the MASK of the pixel R in corresponding diagram 3；
Fig. 8 is the structural schematic diagram of PMOLED screen body screen volumetric pixel structure in the embodiment of the present application two；
Fig. 9 is the structural schematic diagram of PMOLED screen body screen volumetric pixel structure in the embodiment of the present application four；
Figure 10 is the structural schematic diagram of PMOLED screen body screen volumetric pixel structure in the embodiment of the present application five；
Figure label: 10, the first colored pixels area；20, the second colored pixels area；30, third colored pixels area；11,
One color sub-pixels area；21, the second color sub-pixels area；31, third color sub-pixels area.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one:
As shown in figure 3, the application provides a kind of dot structure of PMOLED screen body, including several pixel units, the picture
Plain unit includes the first colored pixels area 10, the second colored pixels area 20 and third colored pixels area 30；Wherein the first color picture
Plain area 10 and the second colored pixels area 20 are located side by side at the top in third colored pixels area 30, in other embodiments, can also be with
First colored pixels area 10 is located to the lower section in third colored pixels area 30；" top " in the present embodiment is just for the sake of expression
Relative position of each colored pixels area in figure, it is merely meant that the first colored pixels area is arranged side by side, side by side up and down, left and right is simultaneously
Row, it is lower on side by side or it is right it is left side by side, or inclination is ok side by side；It is not intended as the absolute restriction feature of this programme；At it
In his embodiment, such as when Fig. 1 is rotated by 90 °, the first colored pixels area 10 and the second colored pixels area 20 are then located at the
The left side or right side in three colored pixels areas 30.
In the present embodiment, the first colored pixels area 10 is red pixel area, is indicated with R, indicates the first colored pixels area
10 luminescent color is red；Second colored pixels area 20 is green pixel area, is indicated with G, indicates the second colored pixels area 20
Luminescent color be green；Third colored pixels area 30 is blue pixel area, is indicated with B, indicates third colored pixels area 30
Luminescent color is blue；It is illustrated in figure 3 the top that R and G is located side by side at B；It in other embodiments, as shown in figure 4, can also be with
It is the top that R and B is located side by side at G, in other embodiments, R and B can also be located side by side at the lower section of G；Or as shown in figure 5,
B and G is located side by side at the top of R, and in other embodiments, B and G can also be located side by side at the lower section of R.
As shown in fig. 6, for the partial structure diagram of the MASK of pixel B in the dot structure of corresponding diagram 3, shadow region in figure
Domain is blocked area, and opening portion is the vapor deposition area of pixel B；It is illustrated in figure 7 the MASK of pixel R in the dot structure of corresponding diagram 3
Partial structure diagram；As can be seen from Figures 6 and 7, the aperture of MASK is all square hole, is connected in length and breadth between each square hole,
Therefore MASK does not appear in the sagging problem of tapping.As shown in Fig. 2, the portion of the MASK of respective pixel R in the prior art
Separation structure schematic diagram, it will be apparent from this figure that due to the spacing very little of pixel R neighbouring in Fig. 1, only several microns,
Therefore lateral interval cannot be set on MASK also distinguish neighbouring pixel R, the opening vapor deposition of strip can only be opened up
Striped pixel R, and upper and lower pixel R realizes interval by the insulation layer being located on substrate；The MASK in Fig. 2 is just at this time
Sagging problem can occur in the opening of strip, in order to solve this problem, often carry out special parameter designing；And this Shen
In technical solution please, these problems is not present, therefore reduce corresponding measure, the cost of MASK is reduced, so that MASK
Processing procedure is simpler, cost is lower.
In the prior art, it is spaced between neighbouring pixel R by the insulation layer being disposed on the substrate, in insulation layer
The pixel of upper vapor deposition is vapor deposition shadow (shade) region, be will also realize that by above-mentioned comparison, vapor deposition shadow in the prior art
(shade) region is more, and cumulative area is larger；And in the technical solution of the application, it can be deposited completely in the pixel region of setting,
Do not form vapor deposition shadow (shade) region.
Embodiment two:
As shown in figure 8, on the basis of example 1, the first colored pixels area 10 is by two the first color sub- pictures in parallel
Plain area 11 forms, and the second colored pixels area 20 is made of two the second color sub-pixels areas 21 in parallel；Third colored pixels area
30 are made of four third color sub-pixels areas 31.
For example divided by two the first color sub-pixels areas 11 as shown in figure 8, the formation of sub-pixel area is achieved in that
Fillet Tong Guo not connected to connect with the commonly connected area of the first colored pixels, the width of the connection fillet is L1, the first color
The width of sub-pixel area is L, L1Less than L, and it is the smaller the better, such as L1=L/5, at this time, it can be achieved that the first color sub-pixels area and
The parallel connection in the second color sub-pixels area；Arrow direction is the flow direction of electric current in figure, even if there is color in the present embodiment
Pixel region will not lead to the defect in entire colored pixels area because particle causes display to fail；To effectively improve production
The yield of product.
In the present embodiment, the vapor deposition in each colored pixels area is still using the MASK structure of Fig. 6 and Fig. 7, same color
The interval of sub-pixel area interval is realized by the insulation layer being disposed on the substrate.
Embodiment three:
On the basis of example 2, the first colored pixels area 10 is set as three the first color sub-pixels areas in parallel
11；Second colored pixels area 20 is set as three the second color sub-pixels areas 21 in parallel；Third colored pixels area 30 is also set as three
Second color sub-pixels area 31 of a parallel connection.In other embodiments, the quantity of the sub-pixel area of each color pixel region is set
It sets and can be four or even more, but quantity is more, and vapor deposition shadow region is bigger, therefore 2 or 3 sub-pixel areas are excellent
The scheme of choosing.
Example IV:
As shown in figure 9, red and green merges into yellow in the present embodiment；Namely in the present embodiment, PMOLED screen
The dot structure of body includes the first colored pixels arranged up and down area 10, as the Y in figure is indicated；With the second colored pixels area 20,
B in such as figure is indicated；In other embodiments, the position of Y and B also can be interchanged.As embodiment one, corresponding the present embodiment
The MASK structure of dot structure can also be by the way of aperture.
Embodiment five:
As shown in Figure 10, on the basis of example IV, the first colored pixels area 10 is also by two the first colors in parallel
Sub-pixel area 11 forms；Second colored pixels area 20 is also made of two the second color sub-pixels areas 21 in parallel；Arrow in figure
Direction is the flow direction of electric current.
Below by the screen body of the dot structure of PMOLED in the prior art and embodiments herein one to embodiment five
Performance and the Cost comparisons that MASK is deposited are as shown in table 1 below:
Experiment contrast result:
Table 1
It can be seen that the technical solution that embodiments herein provides from above-mentioned comparing result, compared with the prior art
In technical solution, the cost of individual MASK reduces 50% or more；When equipped with color sub-pixels area, screen body yield can be mentioned
Rise 15%-20%.
Embodiment six:
The present embodiment provides a kind of PMOLED screen bodies, with the dot structure in embodiment one.In other embodiments, institute
Stating PMOLED screen body can also be with dot structure described in Application Example two, embodiment three, example IV or embodiment five.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (8)
1. a kind of dot structure of PMOLED screen body, which is characterized in that including several pixel units；The pixel unit includes the
One colored pixels area and the second colored pixels area, first colored pixels area and second colored pixels area it is longitudinal and/or
Laterally in discontinuous arrangement.
2. the dot structure of PMOLED screen body according to claim 1, which is characterized in that first colored pixels area and
Second colored pixels area is different luminescent colors.
3. the dot structure of PMOLED screen body according to claim 2, which is characterized in that first colored pixels area and
The luminescent color in the second colored pixels area is respectively one of blue light, yellow light.
4. the dot structure of PMOLED screen body according to claim 1, which is characterized in that the pixel unit further includes
Three colored pixels areas, first colored pixels area and third colored pixels area are located side by side at the upper of second colored pixels area
Side or lower section.
5. the dot structure of PMOLED screen body according to claim 4, which is characterized in that first colored pixels area,
Second colored pixels area, the luminescent color in third colored pixels area are different, and luminescent color respectively corresponds red, blue and green
One of color.
6. the dot structure of PMOLED screen body according to any one of claims 1 to 4, which is characterized in that described first
Colored pixels area includes the first color sub-pixels area that at least two is connected in parallel；Second colored pixels area includes at least two
The second color sub-pixels area being connected in parallel.
7. the dot structure of PMOLED screen body according to claim 5, which is characterized in that third colored pixels area packet
Include the third color sub-pixels area that at least two is connected in parallel.
8. a kind of PMOLED screen body, which is characterized in that the PMOLED screen body has described in claim 1 to 7 any one
Dot structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910700996.XA CN110289303B (en) | 2019-07-31 | 2019-07-31 | Pixel structure of PMOLED screen body and PMOLED screen body |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910700996.XA CN110289303B (en) | 2019-07-31 | 2019-07-31 | Pixel structure of PMOLED screen body and PMOLED screen body |
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| CN110289303B CN110289303B (en) | 2021-08-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123927A (en) * | 2013-01-24 | 2013-05-29 | 昆山维信诺显示技术有限公司 | Pixel structure for OLED display screen and metal mask thereof |
| CN107507926A (en) * | 2017-08-30 | 2017-12-22 | 深圳市华星光电半导体显示技术有限公司 | OLED pixel structure and its restorative procedure |
| US20190181191A1 (en) * | 2017-04-28 | 2019-06-13 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Pixel structure driving method |
| CN209071333U (en) * | 2018-10-31 | 2019-07-05 | 云谷（固安）科技有限公司 | Display screen and display terminal |
-
2019
- 2019-07-31 CN CN201910700996.XA patent/CN110289303B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123927A (en) * | 2013-01-24 | 2013-05-29 | 昆山维信诺显示技术有限公司 | Pixel structure for OLED display screen and metal mask thereof |
| US20190181191A1 (en) * | 2017-04-28 | 2019-06-13 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Pixel structure driving method |
| CN107507926A (en) * | 2017-08-30 | 2017-12-22 | 深圳市华星光电半导体显示技术有限公司 | OLED pixel structure and its restorative procedure |
| CN209071333U (en) * | 2018-10-31 | 2019-07-05 | 云谷（固安）科技有限公司 | Display screen and display terminal |
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