CN204289454U - Organic light-emitting display device and dot structure thereof - Google Patents
Organic light-emitting display device and dot structure thereof Download PDFInfo
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- CN204289454U CN204289454U CN201420844877.4U CN201420844877U CN204289454U CN 204289454 U CN204289454 U CN 204289454U CN 201420844877 U CN201420844877 U CN 201420844877U CN 204289454 U CN204289454 U CN 204289454U
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Abstract
A kind of dot structure comprises multiple pixel cell, the shape of this pixel cell is rectangle, comprise the first sub-pixel, the second sub-pixel and the 3rd sub-pixel, the shape of the first sub-pixel and the second sub-pixel is L shape, first sub-pixel and the second sub-pixel are oppositely arranged and form the region of at least holding portion the 3rd sub-pixel, and the 3rd sub-pixel is at least overlapping at least partly with one article of limit of pixel cell; Laterally adjacent pixel cell is mirror-image arrangement, and longitudinally adjacent pixel cell is mirror-image arrangement.Said structure arrangement makes the first sub-pixel, the second sub-pixel, the 3rd sub-pixel adjacent to the corresponding sub-pixel in adjacent pixel unit respectively, when making, adjacent sub-pixel can share an opening, add aperture area during evaporation, simultaneously, when the sub-pixel that evaporation is adjacent without the need to interspacing in advance, improve aperture opening ratio, and then higher physical resolution can be realized.Adopt the organic light-emitting display device resolution of above-mentioned pixel cell higher.
Description
Technical field
The utility model relates to organic light emitting display technical field, particularly relates to the organic light-emitting display device of a kind of dot structure and this dot structure of employing.
Background technology
Organic Light Emitting Diode (Organic light-emitting diode, OLED) is described as flat panel display and the third generation Display Technique of 21 century, has become current international one large study hotspot.Organic Light Emitting Diode has that driving voltage is low, active illuminating, visual angle is wide, efficiency is high, fast response time, easily realize many features of the wall-hanging display of Panchromatic great-arear and Flexible Displays, has low cost of manufacture, the advantage such as low in energy consumption simultaneously.
The luminescent layer of OLED screen body is all generally utilize evaporation film-forming technology to form organic emitting components through metal mask plate corresponding location of pixels in deposition substrate by organic material.The good pixel arrangements of OLED screen colorize effect has red, green, blue three sub-pixels at each pixel cell, and each sub-pixel has independently organic light emission components and parts.Because the luminous organic material of red, green, blue three sub pixel is different, in manufacturing process, need by metal mask plate organic material different to red, green, blue three-color light-emitting sub-pixel evaporation three kinds respectively on a corresponding position, then regulate the colour mixture ratio of three kinds of color combination, produce true color.So, a red, green, blue three look OLED element independent luminous formation pixel cell.
Usually, in OLED pixel structure, pixel cell comprises red sub-pixel, green sub-pixels and blue subpixels, wherein, pixel cell is in square, red sub-pixel and green sub-pixels are in square, and blue subpixels is rectangle, and the length of side sum of red sub-pixel and green sub-pixels equals the long edge lengths of blue subpixels.When above-mentioned dot structure is realizing high PPI (Pixel Per Inch, pixel per inch), namely during physical resolution, the aperture opening ratio of red pixel and green pixel is too little and cannot meet the requirement of high PPI.
Utility model content
Based on this, be necessary to provide a kind of aperture opening ratio large and there is organic light-emitting display device and the dot structure thereof that higher building manages resolution.
A kind of dot structure, comprise multiple pixel cell, the shape of described pixel cell is rectangle, described pixel cell comprises the first sub-pixel, the second sub-pixel and the 3rd sub-pixel, the shape of described first sub-pixel is L shape, the shape of described second sub-pixel is identical with the shape of described first sub-pixel, described first sub-pixel and described second sub-pixel are oppositely arranged, and forming the region of at least the 3rd sub-pixel described in holding portion, described 3rd sub-pixel is at least overlapping at least partly with one article of limit of described pixel cell; Laterally adjacent described pixel cell is mirror-image arrangement, and longitudinally adjacent described pixel cell is mirror-image arrangement.
Wherein in an embodiment, described first sub-pixel is red pixel, and described second sub-pixel is green pixel, and described 3rd sub-pixel is blue pixel; Described first sub-pixel is symmetrical with the symmetry axis of relative described 3rd sub-pixel of the second sub-pixel.
Wherein in an embodiment, the area of described 3rd sub-pixel is greater than the area of described first sub-pixel.
Wherein in an embodiment, the shape of described pixel cell is square.
Wherein in an embodiment, the shape of described 3rd sub-pixel is rectangle.
Wherein in an embodiment, described 3rd sub-pixel is all positioned at the housing region of described first sub-pixel and described second sub-pixel formation.
Wherein in an embodiment, two long limits of described 3rd sub-pixel adjoin with described first sub-pixel and the second sub-pixel respectively, a broadside of described 3rd sub-pixel adjoins with described first sub-pixel and the second sub-pixel simultaneously, and another broadside of described 3rd sub-pixel and one article of limit of described pixel cell partly overlap.
Wherein in an embodiment, the shape of described 3rd sub-pixel is T-shaped.
Wherein in an embodiment, the vertical portion of described T-shaped the 3rd sub-pixel is positioned at the housing region of described first sub-pixel and described second sub-pixel formation, a long limit of the horizontal component of described T-shaped the 3rd sub-pixel is all overlapping with one article of limit of described pixel cell, and two broadsides of the horizontal component of described T-shaped the 3rd sub-pixel partly overlap with the other both sides of described pixel cell respectively.
The utility model additionally provides the organic light-emitting display device comprising above-mentioned dot structure.
Above-mentioned dot structure carries out Structural assignments to the first sub-pixel in pixel cell and pixel cell, the second sub-pixel and the 3rd sub-pixel, make the first sub-pixel, the second sub-pixel, the 3rd sub-pixel adjacent to the corresponding sub-pixel in adjacent pixel unit respectively, an opening can be shared when making adjacent sub-pixel, add aperture area during evaporation, simultaneously, due to during the sub-pixel adjacent at evaporation without the need to interspacing in advance, improve aperture opening ratio, and then higher physical resolution can be realized.Adopt the organic light-emitting display device resolution of above-mentioned dot structure higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dot structure of the first embodiment;
The structural representation of the metal mask plate of the slot formula opening of the first sub-pixel first time evaporation that Fig. 2 is the dot structure shown in Fig. 1;
The structural representation of the metal mask plate of the slot formula opening of the first sub-pixel second time evaporation that Fig. 3 is the dot structure shown in Fig. 1;
The structural representation of the metal mask plate of the slot mode opening of the 3rd sub-pixel that Fig. 4 is the dot structure shown in Fig. 1;
Fig. 5 is the structural representation of the dot structure of the second embodiment;
The structural representation of the metal mask plate of the slot formula opening of the first sub-pixel first time evaporation that Fig. 6 is the dot structure shown in Fig. 5;
The structural representation of the metal mask plate of the slot formula opening of the first sub-pixel second time evaporation that Fig. 7 is the dot structure shown in Fig. 5;
The structural representation of the metal mask plate of the slot mode opening of the 3rd sub-pixel that Fig. 8 is the dot structure shown in Fig. 5;
The structural representation of the metal mask plate of the slit mode opening of the 3rd sub-pixel that Fig. 9 is the dot structure shown in Fig. 5;
Reference numeral:
10, dot structure; 100, pixel cell; 102, the first sub-pixel; 104, the second sub-pixel; 106, the 3rd sub-pixel;
20, dot structure; 200, pixel cell; 202, the first sub-pixel; 204, the second sub-pixel; 206, the 3rd sub-pixel.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.On the contrary, when element be referred to as " directly existing " another element " on " time, there is not intermediary element.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
As shown in Figure 1, the dot structure 10 of an embodiment comprises multiple pixel cell 100, and the shape of this pixel cell 100 is rectangle, and it comprises the first sub-pixel 102, second sub-pixel 104 and the 3rd sub-pixel 106.First sub-pixel 102, second sub-pixel 104 and the arrangement of the 3rd sub-pixel 106 form rectangle.In the present embodiment, the shape of pixel cell 100 is square.Wherein, in multiple pixel cell 100, laterally adjacent pixel cell 100 is in mirror-image arrangement, and longitudinally adjacent pixel cell 100, in mirror-image arrangement, forms dot structure 10.Such as, a part of dot structure 10 has been shown in Fig. 1, this pixel structure 10 comprises 4 row and 4 row totally 16 pixel cells 100.In other embodiments, the number of pixel cell 100 can be selected according to actual conditions.
First sub-pixel 102 and the second sub-pixel 104 are oppositely arranged, and be formed to the region of small part accommodation the 3rd sub-pixel 106, the shape of the first sub-pixel 102 is L shape, the shape of the second sub-pixel 104 is identical with the shape of the first sub-pixel 102, namely, the shape of the second sub-pixel 104 is also L shape, one end of first sub-pixel 102 and one end of the second sub-pixel 104 extend to form the region of accommodation the 3rd sub-pixel 106 in opposite directions, in the present embodiment, the shape of the 3rd sub-pixel 106 is rectangle, the region that first sub-pixel 102 and the second sub-pixel 104 are formed all can hold the 3rd sub-pixel 106, simultaneously, two long limits of the 3rd sub-pixel 106 adjoin with the first sub-pixel 102 and the second sub-pixel 104 respectively, a broadside of the 3rd sub-pixel 106 adjoins with the first sub-pixel 102 and the second sub-pixel 104 simultaneously, another broadside of 3rd sub-pixel 106 and one article of limit of pixel cell 100 partly overlap.Further, in the present embodiment, the first sub-pixel 102, second sub-pixel 104 and the 3rd sub-pixel 106 form a square.Because laterally adjacent pixel cell 100 is in mirror-image arrangement, longitudinally adjacent pixel cell 100, in mirror-image arrangement, makes the sub-pixel of same color in adjacent pixel unit 100 adjacent.Such as, for first of the left side in Fig. 1 pixel cell 100, this pixel cell 100 and pixel cell 100 specular be positioned on the right of it, the first sub-pixel 102 in this pixel cell 100 is adjacent with the first sub-pixel 102 in right pixels unit 100, can make like this to share an opening during the first sub-pixel 102 when making, increase aperture area during evaporation, and without the need to interspacing in advance, improve aperture opening ratio.
Further, in the present embodiment, the 3rd sub-pixel 106 is overlapping with one article of limit of pixel cell 100, makes the 3rd sub-pixel 106 adjacent with the 3rd sub-pixel 106 of adjacent cells.Again for first left pixel cell 100 in Fig. 1.First sub-pixel 102 is adjacent with the first sub-pixel 102 of leftmost pixel unit 100, and the second sub-pixel 104 is adjacent with the second sub-pixel 104 of right pixels unit 100, and the 3rd sub-pixel 106 is adjacent with the 3rd sub-pixel 106 of lower pixel unit 100.That is, three sub-pixels are all 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, and the 3rd sub-pixel 106 is blue pixel.Shape due to red pixel is L shape, therefore needs to adopt slot (groove) the formula metal mask plate of vertical and transversely arranged slot to carry out twice evaporation respectively.Fig. 2 shows the structural representation of the metal mask plate of the slot formula opening of red pixel first time evaporation.Fig. 3 is the structural representation of the metal mask plate of the slot formula opening of red pixel second time evaporation.Because green pixel is identical with the shape of red pixel, therefore, the metal mask plate that red pixel and green pixel can share rectangle slot formula opening carries out evaporation.Namely same metal mask plate both can carry out the evaporation of red pixel, also can carry out the evaporation of green pixel, reduce the manufacture difficulty of metal mask plate.The shape of blue pixel is rectangle, needs to adopt the metal mask plate of the slot formula opening of slot to carry out evaporation.Fig. 4 shows the structural representation of the metal mask plate of blue pixel slot formula opening.
In the present embodiment, the area of the 3rd sub-pixel 106 is greater than the area of the first sub-pixel 102.Due in red pixel, green pixel and blue pixel, the brightness of blue pixel is minimum.The area increasing blue pixel can improve the light-emitting area of blue pixel, thus makes three kinds of pixel light emission even.
Referring again to Fig. 1, the first sub-pixel 102 and the second sub-pixel 104 are symmetrical relative to the symmetry axis of the 3rd sub-pixel 106.Red pixel and green pixel lay respectively at the both sides of blue pixel, and blue pixel is rectangle, and red pixel and green pixel are L shape, and the two symmetry axis relative to blue pixel is symmetrical.Further, the long edge lengths of the first sub-pixel 102 is greater than the long edge lengths of the 3rd sub-pixel 106, and the width edge length of the 3rd sub-pixel 106 is less than the length of side of pixel cell 100.That is, the long edge lengths of red pixel is greater than the long edge lengths of blue pixel, and the width edge length of blue pixel is less than the length of side of pixel cell 100.Can make like this in pixel cell 100, each sub-pixel all can not be surrounded by remaining two sub-pixels, and then can share opening with the same sub-pixel of adjacent pixel unit 100, improves aperture opening ratio.
Fig. 5 is the structural representation of the dot structure 20 of the second embodiment, this dot structure 20 comprises multiple pixel cell 200, the shape of this pixel cell 200 is square, it comprises the first sub-pixel 202, second sub-pixel 204 and the 3rd sub-pixel 206, is with the difference of the dot structure 10 of the first embodiment: the shape of the 3rd sub-pixel 206 is T-shaped.The sub-pixel that sub-pixel in each pixel cell 200 is identical with pixel cell 200 adjacent is up and down that mirror image distributes.Wherein, the first sub-pixel 202 is red pixel, and the second sub-pixel 204 is green pixel, and the 3rd sub-pixel 206 is blue pixel.
First sub-pixel 202 and the second sub-pixel 204 are oppositely arranged, and form the region of holding portion the 3rd sub-pixel 206.In the present embodiment, the shape of the first sub-pixel 202 is L shape, the shape of the second sub-pixel 204 is identical with the shape of the first sub-pixel 202, that is, the shape of the second sub-pixel 204 is also L shape, and the shape of the 3rd sub-pixel 206 is T-shaped, one end of first sub-pixel 202 and one end of the second sub-pixel 204 extend in opposite directions, form the region of holding portion the 3rd sub-pixel 206, particularly, this region holds T-shaped the 3rd sub-pixel 206 vertical portion.
Further, as shown in Figure 5, in the present embodiment, a long limit of the horizontal component of T-shaped the 3rd sub-pixel 206 is all overlapping with one article of limit of pixel cell 100, and two broadsides of the horizontal component of T-shaped the 3rd sub-pixel 206 partly overlap with the another both sides of pixel cell 100 respectively.Arrange like this and can make in pixel cell 200, each sub-pixel is all adjacent with the sub-pixel of same color in adjacent pixel unit 200, improves aperture opening ratio.
Because red pixel is identical with the shape of green pixel, therefore the two can adopt identical metal mask plate when evaporation.In the present embodiment, the shape due to red pixel is L shape, therefore needs to adopt slot (groove) the formula metal mask plate of vertical and transversely arranged slot to carry out twice evaporation respectively.Fig. 6 shows the structural representation of the metal mask plate of the slot formula opening of red pixel first time evaporation.Fig. 7 is the structural representation of the metal mask plate of the slot formula opening of red pixel second time evaporation.Adopt slot opening mode, the metal strip of metal mask plate can be made comparatively firm.Meanwhile, because in adjacent pixel cell 200, the sub-pixel of same color is adjacent, do not need when evaporation to interspace in advance, thus increase the aperture opening ratio of sub-pixel.
The shape of blue pixel is T-shaped, the metal mask plate of the metal mask plate of slot formula opening and slit (seam) formula opening can be adopted to carry out twice evaporation and obtain.Fig. 8 is the structural representation of the metal mask plate of slot (groove) the formula opening of blue pixel.Fig. 9 is the structural representation of the metal mask plate of the slit formula opening of blue pixel.In other embodiments, the mode sharing blueness also can be adopted to form blue pixel.
In above-mentioned dot structure 20, red pixel, green pixel and blue pixel are adjacent with the sub-pixel of the same color in adjacent pixel unit 200 respectively, and red pixel is identical with arrangement with the shape of green pixel, identical metal mask plate can be adopted when making, reducing the technology difficulty of metal mask plate.Meanwhile, due to during the sub-pixel adjacent at evaporation without the need to interspacing in advance, improve aperture opening ratio, and then can improve physics rate, in addition, this dot structure 20 can also improve light mixing effect.
Adopt the organic light-emitting display device physical resolution of above-mentioned dot structure 20 high and evenly luminous.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a dot structure, it is characterized in that, comprise multiple pixel cell, comprise multiple pixel cell, the shape of described pixel cell is rectangle, described pixel cell comprises the first sub-pixel, second sub-pixel and the 3rd sub-pixel, the shape of described first sub-pixel is L shape, the shape of described second sub-pixel is identical with the shape of described first sub-pixel, described first sub-pixel and described second sub-pixel are oppositely arranged, and form the region of at least the 3rd sub-pixel described in holding portion, described 3rd sub-pixel is at least while overlapping at least partly with one article of limit of described pixel cell, laterally adjacent described pixel cell is mirror-image arrangement, and longitudinally adjacent described pixel cell is mirror-image arrangement.
2. dot structure according to claim 1, is characterized in that, described first sub-pixel is red pixel, and described second sub-pixel is green pixel, and described 3rd sub-pixel is blue pixel; Described first sub-pixel is symmetrical with the symmetry axis of relative described 3rd sub-pixel of the second sub-pixel.
3. dot structure according to claim 2, is characterized in that, the area of described 3rd sub-pixel is greater than the area of described first sub-pixel.
4. dot structure according to claim 1, is characterized in that, the shape of described pixel cell is square.
5. dot structure according to claim 4, is characterized in that, the shape of described 3rd sub-pixel is rectangle.
6. dot structure according to claim 5, is characterized in that, described 3rd sub-pixel is all positioned at the housing region of described first sub-pixel and described second sub-pixel formation.
7. dot structure according to claim 6, it is characterized in that, two long limits of described 3rd sub-pixel adjoin with described first sub-pixel and the second sub-pixel respectively, a broadside of described 3rd sub-pixel adjoins with described first sub-pixel and the second sub-pixel simultaneously, and another broadside of described 3rd sub-pixel and one article of limit of described pixel cell partly overlap.
8. dot structure according to claim 1, is characterized in that, the shape of described 3rd sub-pixel is T-shaped.
9. dot structure according to claim 8, it is characterized in that, the vertical portion of described T-shaped the 3rd sub-pixel is positioned at the housing region of described first sub-pixel and described second sub-pixel formation, a long limit of the horizontal component of described T-shaped the 3rd sub-pixel is all overlapping with one article of limit of described pixel cell, and two broadsides of the horizontal component of described T-shaped the 3rd sub-pixel partly overlap with the other both sides of described pixel cell respectively.
10. an organic light-emitting display device, is characterized in that, comprises the dot structure described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420844877.4U CN204289454U (en) | 2014-12-25 | 2014-12-25 | Organic light-emitting display device and dot structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420844877.4U CN204289454U (en) | 2014-12-25 | 2014-12-25 | Organic light-emitting display device and dot structure thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789249A (en) * | 2014-12-25 | 2016-07-20 | 昆山国显光电有限公司 | Pixel structure and organic light-emitting display apparatus adopting same |
| CN105789248A (en) * | 2014-12-25 | 2016-07-20 | 昆山国显光电有限公司 | Organic light-emitting display apparatus and pixel structure therefor |
| CN106128320A (en) * | 2016-08-25 | 2016-11-16 | 昆山国显光电有限公司 | Pixel displaying method and device |
-
2014
- 2014-12-25 CN CN201420844877.4U patent/CN204289454U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789249A (en) * | 2014-12-25 | 2016-07-20 | 昆山国显光电有限公司 | Pixel structure and organic light-emitting display apparatus adopting same |
| CN105789248A (en) * | 2014-12-25 | 2016-07-20 | 昆山国显光电有限公司 | Organic light-emitting display apparatus and pixel structure therefor |
| 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 |
| CN105789248B (en) * | 2014-12-25 | 2018-12-14 | 昆山国显光电有限公司 | Organic light-emitting display device and its dot structure |
| CN106128320A (en) * | 2016-08-25 | 2016-11-16 | 昆山国显光电有限公司 | Pixel displaying method and device |
| CN106128320B (en) * | 2016-08-25 | 2019-03-15 | 昆山国显光电有限公司 | Pixel displaying method and device |
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Granted publication date: 20150422 Termination date: 20181225 |