CN105789248B - Organic light-emitting display device and its dot structure - Google Patents
Organic light-emitting display device and its dot structure Download PDFInfo
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- CN105789248B CN105789248B CN201410828225.6A CN201410828225A CN105789248B CN 105789248 B CN105789248 B CN 105789248B CN 201410828225 A CN201410828225 A CN 201410828225A CN 105789248 B CN105789248 B CN 105789248B
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Abstract
A kind of dot structure includes multiple pixel units, the shape of the pixel unit is rectangle, including the first sub-pixel, the second sub-pixel and third sub-pixel, the shape of first sub-pixel and second sub-pixel is L shape, first sub-pixel and second sub-pixel are oppositely arranged and are formed the region of at least accommodating portion third sub-pixel, and third sub-pixel is at least least partially overlapped with a line of pixel unit on one side；Laterally adjacent pixel unit is in mirror-image arrangement, and longitudinally adjacent pixel unit is in mirror-image arrangement.Above structure is arranged so that the first sub-pixel, the second sub-pixel, third sub-pixel are adjacent with the corresponding sub-pixel in adjacent pixel unit respectively, in production, adjacent sub-pixel can share an opening, increase opening area when vapor deposition, simultaneously, when adjacent sub-pixel is deposited without interspacing in advance, aperture opening ratio is improved, and then higher physical resolution may be implemented.It is higher using the organic light-emitting display device resolution ratio of above-mentioned pixel unit.
Description
Technical field
The present invention relates to organic light emitting display technical fields, more particularly to a kind of dot structure and use the dot structure
Organic light-emitting display device.
Background technique
The plate that Organic Light Emitting Diode (Organic light-emitting diode, OLED) is known as 21 century is aobvious
Show and third generation display technology, it has also become a current international big research hotspot.Organic Light Emitting Diode has driving voltage
It is low, actively shine, visual angle is wide, high-efficient, fast response time, easily realizes the wall-mounted display of Panchromatic great-arear and Flexible Displays
Many features, while having many advantages, such as that manufacturing cost is low, low in energy consumption.
The luminescent layer of OLED screen body is typically all to pass through organic material to exist using evaporation film-forming technology through metal mask plate
Corresponding location of pixels forms organic light emitting component in deposition substrate.The preferable pixel arrangements of OLED screen colorization effect
It is to have three sub-pixels of red, green, blue in each pixel unit, each sub-pixel has independent organic light emission component.Due to
The luminous organic material of three sub-pixel of red, green, blue is different, in the production process, needs through metal mask plate corresponding
Three kinds of different organic materials are deposited to red, green, blue three-color light-emitting sub-pixel respectively on position, then adjust three kinds of color groups
The colour mixture ratio of conjunction generates true color.In this way, three color OLED element of red, green, blue, which independently shines, constitutes a pixel unit.
Generally, in OLED pixel structure, pixel unit includes red sub-pixel, green sub-pixels and the sub- picture of blue
Element, wherein pixel unit is square, and red sub-pixel and green sub-pixels are square, and blue subpixels are rectangle, red
The sum of side length of sub-pixels and green sub-pixels is equal to the long side length of blue subpixels.When above-mentioned dot structure is realizing height
When PPI (Pixel Per Inch, pixel per inch), i.e. physical resolution, the aperture opening ratio of red pixel and green pixel is too small
And it is unable to satisfy the requirement of high PPI.
Summary of the invention
Based on this, it is necessary to provide a kind of big and organic light-emitting display device with higher building reason resolution ratio of aperture opening ratio and
Its dot structure.
A kind of dot structure, including multiple pixel units, the shape of the pixel unit are rectangle, the pixel unit
Including the first sub-pixel, the second sub-pixel and third sub-pixel, the shape of first sub-pixel is L shape, the second sub- picture
The shape of element is identical as the shape of first sub-pixel, and first sub-pixel and second sub-pixel are oppositely arranged, and
Form the region of third sub-pixel described at least accommodating portion, the third sub-pixel at least one side and the one of the pixel unit
Side is least partially overlapped；The laterally adjacent pixel unit is in mirror-image arrangement, and the longitudinally adjacent pixel unit is in mirror
As arrangement.
First sub-pixel is red pixel in one of the embodiments, and second sub-pixel is green pixel,
The third sub-pixel is blue pixel；The symmetry axis of the relatively described third sub-pixel of the first sub-pixel and second sub-pixel
Symmetrically.
The area of the third sub-pixel is greater than the area of first sub-pixel in one of the embodiments,.
The shape of the pixel unit is square in one of the embodiments,.
The shape of the third sub-pixel is rectangle in one of the embodiments,.
The third sub-pixel is entirely located in first sub-pixel and the second sub- picture in one of the embodiments,
In the housing region that element is formed.
In one of the embodiments, two long sides of the third sub-pixel respectively with first sub-pixel and second
Sub-pixel is adjacent, and a broadside of the third sub-pixel is adjacent with the first sub-pixel and second sub-pixel simultaneously, described
The a line of another broadside and the pixel unit of third sub-pixel partly overlaps.
The shape of the third sub-pixel is T shape in one of the embodiments,.
The vertical portion of the T shape third sub-pixel is located at first sub-pixel and institute in one of the embodiments,
In the housing region for stating the formation of the second sub-pixel, the long side and the pixel of the horizontal component of the T shape third sub-pixel
The a line of unit is all overlapped, two broadsides of the horizontal component of the T shape third sub-pixel respectively with the pixel unit
Other both sides partly overlap.
The present invention also provides the organic light-emitting display devices including above-mentioned dot structure.
Above-mentioned dot structure is to the first sub-pixel, the second sub-pixel and the third sub- picture in pixel unit and pixel unit
Element carries out Structural assignments, so that the first sub-pixel, the second sub-pixel, third sub-pixel are corresponding in adjacent pixel unit respectively
Sub-pixel it is adjacent, an opening can be shared when making adjacent sub-pixel, increase opening area when vapor deposition, together
When, due to, without interspacing in advance, improving aperture opening ratio, and then higher physics point may be implemented when adjacent sub-pixel is deposited
Resolution.It is higher using the organic light-emitting display device resolution ratio of above-mentioned dot structure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the dot structure of first embodiment；
Fig. 2 is the metal mask plate for the slot formula opening that the first sub-pixel of dot structure shown in FIG. 1 is deposited for the first time
Structural schematic diagram；
Fig. 3 is the metal mask plate for the slot formula opening that second of the first sub-pixel of dot structure shown in FIG. 1 is deposited
Structural schematic diagram；
Fig. 4 is that the structure for the metal mask plate that the slot mode of the third sub-pixel of dot structure shown in FIG. 1 is open is shown
It is intended to；
Fig. 5 is the structural schematic diagram of the dot structure of second embodiment；
Fig. 6 is the metal mask plate for the slot formula opening that the first sub-pixel of dot structure shown in fig. 5 is deposited for the first time
Structural schematic diagram；
Fig. 7 is the metal mask plate for the slot formula opening that second of the first sub-pixel of dot structure shown in fig. 5 is deposited
Structural schematic diagram；
Fig. 8 is that the structure for the metal mask plate that the slot mode of the third sub-pixel of dot structure shown in fig. 5 is open is shown
It is intended to；
Fig. 9 is that the structure for the metal mask plate that the slit mode of the third sub-pixel of dot structure shown in fig. 5 is open is shown
It is intended to；
Appended drawing reference:
10, dot structure；100, pixel unit；102, the first sub-pixel；104, the second sub-pixel；106, third picture
Element；
20, dot structure；200, pixel unit；202, the first sub-pixel；204, the second sub-pixel；206, third picture
Element.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give preferred embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Figure 1, the dot structure 10 of an embodiment includes multiple pixel units 100, the shape of the pixel unit 100
For rectangle comprising the first sub-pixel 102, the second sub-pixel 104 and third sub-pixel 106.First sub-pixel 102, second
Sub-pixel 104 and the arrangement of third sub-pixel 106 form rectangle.In the present embodiment, the shape of pixel unit 100 is pros
Shape.Wherein, in multiple pixel units 100, laterally adjacent pixel unit 100 is in mirror-image arrangement, longitudinally adjacent pixel unit
100 be in mirror-image arrangement, forms dot structure 10.For example, showing a part of dot structure 10, the partial pixel in Fig. 1
Structure 10 includes 4 rows and 4 column totally 16 pixel units 100.In other embodiments, the number of pixel unit 100 can basis
Actual conditions are selected.
First sub-pixel 102 and the second sub-pixel 104 are oppositely arranged, and are formed and at least partly accommodated third sub-pixel 106
Region, the shape of the first sub-pixel 102 is L shape, and the shape of the second sub-pixel 104 is identical as the shape of the first sub-pixel 102,
That is, the shape of the second sub-pixel 104 is also L shape, one end of one end of the first sub-pixel 102 and the second sub-pixel 104 is prolonged in opposite directions
The region to be formed and accommodate third sub-pixel 106 is stretched, in the present embodiment, the shape of third sub-pixel 106 is rectangle, the first sub- picture
The region that element 102 and the second sub-pixel 104 are formed can all accommodate third sub-pixel 106, meanwhile, third sub-pixel 106
Two long sides are adjacent with the first sub-pixel 102 and the second sub-pixel 104 respectively, a broadside of third sub-pixel 106 simultaneously with
First sub-pixel 102 and the second sub-pixel 104 are adjacent, and one of another broadside of third sub-pixel 106 and pixel unit 100
Rim portion overlapping.Further, in the present embodiment, the first sub-pixel 102, the second sub-pixel 104 and third sub-pixel 106
Constitute a square.Since laterally adjacent pixel unit 100 is in mirror-image arrangement, longitudinally adjacent pixel unit 100 is in mirror
As arrangement, so that the sub-pixel of same color is adjacent in adjacent pixel unit 100.For example, with first pixel on the left side in Fig. 1
For unit 100, the pixel unit 100 and 100 mirror symmetry of pixel unit being located on the right of it, in the pixel unit 100
First sub-pixel 102 is adjacent with the first sub-pixel 102 in right pixels unit 100, can make in production first in this way
An opening is shared when sub-pixel 102, increases opening area when vapor deposition, and without interspacing in advance, improves aperture opening ratio.
Further, in the present embodiment, third sub-pixel 106 is Chong Die with a line of pixel unit 100, so that the
Three sub-pixels 106 are adjacent with the third sub-pixel 106 of adjacent cells.Again by taking first left pixel unit 100 in Fig. 1 as an example.
First sub-pixel 102 is adjacent with the first sub-pixel 102 of leftmost pixel unit 100, the second sub-pixel 104 and right pixels unit
100 the second sub-pixel 104 is adjacent, and third sub-pixel 106 is adjacent with the third sub-pixel 106 of lower pixel unit 100.That is,
Three sub-pixels are adjacent with the sub-pixel of same color in adjacent pixel unit 100, improve aperture opening ratio.
In the present embodiment, the first sub-pixel 102 is red pixel, and the second sub-pixel 104 is green pixel, third sub- picture
Element 106 is blue pixel.Since the shape of red pixel is L shape, it is therefore desirable to using vertical and transversely arranged slot
Slot (slot) formula metal mask plate be deposited twice respectively.The slot formula being deposited for the first time Fig. 2 shows red pixel is opened
The structural schematic diagram of the metal mask plate of mouth.Fig. 3 is the metal mask plate of second of the red pixel slot formula opening being deposited
Structural schematic diagram.Since green pixel is identical with the shape of red pixel, red pixel and green pixel can share square
The metal mask plate of shape slot formula opening is deposited.The i.e. same metal mask plate can both carry out the vapor deposition of red pixel,
The vapor deposition that can also carry out green pixel, reduces the manufacture difficulty of metal mask plate.The shape of blue pixel is rectangle, is needed
It is deposited using the metal mask plate that the slot formula of slot is open.Fig. 4 shows the gold of blue pixel slot formula opening
Belong to the structural schematic diagram of mask plate.
In the present embodiment, the area of third sub-pixel 106 is greater than the area of the first sub-pixel 102.Due in red picture
In element, green pixel and blue pixel, the brightness of blue pixel is minimum.Blue can be improved in the area for increasing blue pixel
The light-emitting area of pixel, so that three kinds of pixel light emissions are uniform.
Referring again to Fig. 1, the symmetry axis pair of the first sub-pixel 102 and the second sub-pixel 104 relative to third sub-pixel 106
Claim.Red pixel and green pixel are located at the two sides of blue pixel, and blue pixel is rectangle, red pixel and green pixel
For L shape, symmetrical axial symmetry of the two relative to blue pixel.Further, the long side length of the first sub-pixel 102 is greater than the
The long side length of three sub-pixels 106, the width edge length of third sub-pixel 106 are less than the side length of pixel unit 100.That is, red picture
The long side length of element is greater than the long side length of blue pixel, and the width edge length of blue pixel is less than the side length of pixel unit 100.This
Sample can make in pixel unit 100, and each sub-pixel will not be surrounded by remaining two sub-pixels, and then can be with phase
The same sub-pixel of adjacent pixel unit 100 shares opening, improves aperture opening ratio.
Fig. 5 is the structural schematic diagram of the dot structure 20 of second embodiment, which includes multiple pixel units
200, the shape of the pixel unit 200 is square comprising the first sub-pixel 202, the second sub-pixel 204 and third sub-pixel
206, with the dot structure 10 of first embodiment the difference is that: the shape of third sub-pixel 206 is T shape.Each pixel
Identical sub-pixel is distributed in mirror image in sub-pixel pixel unit 200 adjacent to the top, bottom, left and right in unit 200.Wherein,
One sub-pixel 202 is red pixel, and the second sub-pixel 204 is green pixel, and third sub-pixel 206 is blue pixel.
First sub-pixel 202 and the second sub-pixel 204 are oppositely arranged, and form the area of accommodating portion third sub-pixel 206
Domain.In the present embodiment, the shape of the first sub-pixel 202 is L shape, the shape of the second sub-pixel 204 and the first sub-pixel 202
Shape is identical, that is, the shape of the second sub-pixel 204 is also L shape, and the shape of third sub-pixel 206 is T shape, the first sub-pixel 202
One end and one end of the second sub-pixel 204 extend towards, form the region of accommodating portion third sub-pixel 206, specifically, should
Region accommodates 206 vertical portion of T shape third sub-pixel.
Further, as shown in figure 5, in the present embodiment, the horizontal component of T shape third sub-pixel 206 it is one long
The a line of side and pixel unit 100 is all Chong Die, two broadsides of the horizontal component of T shape third sub-pixel 206 respectively with picture
The another both sides of plain unit 100 partly overlap.In this way setting can make in pixel unit 200, each sub-pixel with adjacent picture
The sub-pixel of same color is adjacent in plain unit 200, improves aperture opening ratio.
Since red pixel is identical with the shape of green pixel, the two can be covered in vapor deposition using identical metal
Diaphragm plate.In the present embodiment, since the shape of red pixel is L shape, it is therefore desirable to using vertical and transversely arranged rectangle
Slot (slot) the formula metal mask plate in hole is deposited twice respectively.Fig. 6 shows the slot formula that red pixel is deposited for the first time
The structural schematic diagram of the metal mask plate of opening.Fig. 7 is the metal mask plate of second of the red pixel slot formula opening being deposited
Structural schematic diagram.Using slot opening mode, the metal strip of metal mask plate can be made more firm.Simultaneously as
The sub-pixel of same color is adjacent in adjacent pixel unit 200, vapor deposition when do not need it is pre- interspace, to increase sub- picture
The aperture opening ratio of element.
The shape of blue pixel is T shape, can be open using the metal mask plate and slit (seam) formula of slot formula opening
Metal mask plate carries out vapor deposition twice and obtains.Fig. 8 is that the structure for the metal mask plate that slot (slot) formula of blue pixel is open is shown
It is intended to.Fig. 9 is the structural schematic diagram for the metal mask plate that the slit formula of blue pixel is open.It in other embodiments, can also be with
Blue pixel is formed by the way of shared blue.
In above-mentioned dot structure 20, red pixel, green pixel and blue pixel are respectively and in adjacent pixel unit 200
Same color sub-pixel it is adjacent, and red pixel is identical with arrangement with the shape of green pixel, can in production
To use identical metal mask plate, the technology difficulty of metal mask plate is reduced.Simultaneously as adjacent sub-pixel is deposited
Shi Wuxu interspaces in advance, improves aperture opening ratio, and then physics rate can be improved, in addition, the dot structure 20 can also improve light mixing
Effect.
It is high using the organic light-emitting display device physical resolution of above-mentioned dot structure 20 and luminous uniform.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of dot structure, which is characterized in that including multiple pixel units, the shape of the pixel unit is rectangle, institute
Stating pixel unit includes the first sub-pixel, the second sub-pixel and third sub-pixel, and the shape of first sub-pixel is L shape, institute
The shape for stating the second sub-pixel is identical as the shape of first sub-pixel, first sub-pixel and the second sub-pixel phase
To setting, and the region of third sub-pixel described at least accommodating portion is formed, the third sub-pixel at least one side and the picture
The a line of plain unit is least partially overlapped；The laterally adjacent pixel unit is in mirror-image arrangement, the longitudinally adjacent picture
Plain unit is in mirror-image arrangement.
2. dot structure according to claim 1, which is characterized in that first sub-pixel is red pixel, described the
Two sub-pixels are green pixel, and the third sub-pixel is blue pixel；The first sub-pixel and second sub-pixel are with respect to institute
State the symmetrical axial symmetry of third sub-pixel.
3. dot structure according to claim 2, which is characterized in that the area of the third sub-pixel is greater than described first
The area of sub-pixel.
4. dot structure according to claim 1, which is characterized in that the shape of the pixel unit is square.
5. dot structure according to claim 4, which is characterized in that the shape of the third sub-pixel is rectangle.
6. dot structure according to claim 5, which is characterized in that the third sub-pixel is entirely located in first son
In the housing region that pixel and second sub-pixel are formed.
7. dot structure according to claim 6, which is characterized in that two long sides of the third sub-pixel respectively with institute
It is adjacent to state first sub-pixel and second sub-pixel, a broadside of the third sub-pixel simultaneously with first sub-pixel and the
Two sub-pixels are adjacent, and a line of another broadside and the pixel unit of the third sub-pixel partly overlaps.
8. dot structure according to claim 1, which is characterized in that the shape of the third sub-pixel is T shape.
9. dot structure according to claim 8, which is characterized in that the vertical portion of the T shape third sub-pixel is located at
In the housing region that first sub-pixel and second sub-pixel are formed, the horizontal component of the T shape third sub-pixel
Whole Chong Die, two broadsides of the horizontal component of the T shape third sub-pixel of a line of one long side and the pixel unit
It partly overlaps respectively with the other both sides of the pixel unit.
10. a kind of organic light-emitting display device, which is characterized in that include the described in any item dot structures of claim 1-9.
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| CN105789249B (en) * | 2014-12-25 | 2018-09-11 | 昆山国显光电有限公司 | Dot structure and the organic light-emitting display device for using the dot structure |
| KR102520710B1 (en) * | 2017-09-05 | 2023-04-12 | 삼성디스플레이 주식회사 | Display device and method of manufacturing the same |
| CN110783385B (en) | 2019-10-21 | 2020-11-03 | 昆山国显光电有限公司 | Display panel and display device |
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| CN103545344A (en) * | 2013-11-07 | 2014-01-29 | 京东方科技集团股份有限公司 | Pixel structure and manufacturing method thereof, light emitting device, array substrate and display device |
| CN104037197A (en) * | 2013-12-31 | 2014-09-10 | 昆山国显光电有限公司 | Pixel structure and organic light emitting display using same |
| CN204289454U (en) * | 2014-12-25 | 2015-04-22 | 昆山国显光电有限公司 | Organic light-emitting display device and dot structure thereof |
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| CN103545344A (en) * | 2013-11-07 | 2014-01-29 | 京东方科技集团股份有限公司 | Pixel structure and manufacturing method thereof, light emitting device, array substrate and display device |
| CN104037197A (en) * | 2013-12-31 | 2014-09-10 | 昆山国显光电有限公司 | Pixel structure and organic light emitting display using same |
| CN204289454U (en) * | 2014-12-25 | 2015-04-22 | 昆山国显光电有限公司 | Organic light-emitting display device and dot structure thereof |
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