CN112531005A - Pixel arrangement structure of organic light-emitting diode display - Google Patents
Pixel arrangement structure of organic light-emitting diode display Download PDFInfo
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- CN112531005A CN112531005A CN202011442168.XA CN202011442168A CN112531005A CN 112531005 A CN112531005 A CN 112531005A CN 202011442168 A CN202011442168 A CN 202011442168A CN 112531005 A CN112531005 A CN 112531005A
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- 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
The invention discloses a pixel arrangement structure of an organic light-emitting diode display, which comprises a plurality of first pixels, a plurality of second pixels and a plurality of third pixels, wherein: one first pixel is surrounded by four first pixels, two second pixels and two third pixels; one second pixel is surrounded by four first pixels, two second pixels and two third pixels, and one third pixel is surrounded by four first pixels, two second pixels and two third pixels. The pixel arrangement structure of the organic light-emitting diode display can effectively improve the pixel density by setting the sub-pixel arrangement mode under the condition of limited aperture ratio of the mask plate, thereby improving the resolution of the display.
Description
Technical Field
The invention relates to the technical field of organic light emitting diode display, in particular to a pixel arrangement structure of an organic light emitting diode display.
Background
With the development of display technology, higher requirements are put on the resolution of the display, so that the number of pixels on the display is increased, and the cost is increased. Wherein: the pixel refers to a minimum unit for displaying an image of any display device, each pixel may be composed of sub-pixels of three primary colors of sub-pixel optics, each sub-pixel or a plurality of sub-pixels may drive each pixel by driving light with a gate line, a data line or a driving power line, a shape of the sub-pixel is directly determined by a fine metal mask, and the pixels are divided by an insulating encapsulation layer.
The OLED display device is a self-luminous display device based on an organic light-emitting diode, has the characteristics of self-luminescence, high brightness, high response and low weight compared with an LCD, and can be formed by depositing a mask plate including a pixel luminous layer of the OLED display device.
Therefore, it is an urgent technical problem to improve the resolution of the display by arranging the sub-pixel arrangement to effectively increase the pixel density under the condition of limited aperture ratio of the mask.
Disclosure of Invention
In order to solve the above problems, the present invention provides a pixel arrangement structure of an organic light emitting diode display, the pixel arrangement structure of the organic light emitting diode display including a plurality of first pixels, a plurality of second pixels, and a plurality of third pixels, wherein: only the rows and the columns of the first pixel central point keep an included angle of 80-100 degrees; the columns in which only the second pixel center points exist and the columns in which only the third pixel center points exist are parallel to each other; the first pixel is not separately in the same row or column with the center point of the second pixel and the third pixel; but in substantially 45 and 135 directions respectively and simultaneously with the second pixel being in line with the third pixel center point; the central points of the second pixel and the third pixel are in a common row and a common column, and are at least spaced at a certain distance; but in substantially 45 and 135 directions respectively and simultaneously with the second pixel being in line with the third pixel center point; one first pixel is surrounded by four first pixels, two second pixels and two third pixels; one second pixel is surrounded by four first pixels, two second pixels and two third pixels, and one third pixel is surrounded by four first pixels, two second pixels and two third pixels; the first, second and third pixels have a polygonal shape and are spaced apart from each other by a certain distance.
Preferably, the number ratio of the first pixels to the second pixels to the third pixels is 2:1: 1.
Preferably, the first pixel is a sub-pixel having a hexagonal structure, and emits green light G; the second pixel is a sub-pixel with a hexagonal structure and emits blue light B; the third pixel is a sub-pixel with a quadrilateral structure and emits red light R.
Preferably, a second first pixel is constructed at a distance of a length L5 from the center in the horizontal positive direction of the first pixel, centered on the first pixel P1; p3 and P4 were constructed in the direction of the center distance L6 in the co-columnar direction of P1 and P2.
Preferably, two third pixels P5, P6 are respectively constructed in the 45 °, 315 ° and positive center-to-center distances L2, L4 of P1.
Preferably, two third pixels P7, P8 are respectively constructed in 135 °, 225 ° of P1 and in the positive direction of the center distances L1, L3.
Preferably, the four first pixels P1, P2, P3 and P4 are connected at their center points to form a rectangle, and the four first pixels P1, P2, P3 and P4 are connected at their center points to coincide with the four corners of the rectangle.
Preferably, the geometric center of the rectangle formed by the center points of the four first pixels P1, P2, P3 and P4 coincides with the center point of the second pixel P5.
Preferably, the center points of the two second pixels P5, P6 and the two third pixels P7, P8 enclose a rectangle, and the center points of the two second pixels P5, P6 and the two third pixels P7, P8 coincide with the four corners of the rectangle.
Preferably, in a rectangle surrounded by the centers of the two second pixels P5 and P6 and the two third pixels P7 and P8, no other pixel exists on the center connecting line of the second pixels P5 and P6; no other pixel exists on the central connecting line of the third pixels P7 and P8, and the geometric center of the rectangle formed by the central points of the third pixels P5, P6, P7 and P8 is coincident with the central point of the first pixel P1.
The invention has the beneficial effects that: the pixel arrangement structure of the organic light-emitting diode display can effectively improve the pixel density by setting the sub-pixel arrangement mode under the condition of limited aperture ratio of the mask plate, thereby improving the resolution of the display.
Drawings
FIG. 1 is a schematic diagram of a pixel arrangement structure of an OLED display according to the present invention;
fig. 2 is a schematic diagram of a pixel arrangement structure according to the present invention.
Detailed Description
For the purpose of describing the embodiments of the present invention in detail, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The invention mainly aims to provide a pixel arrangement structure of an organic light-emitting diode display, and aims to solve the technical problem of improving the resolution of the display by effectively improving the pixel density by setting a sub-pixel arrangement mode under the condition of limited aperture ratio of a mask plate.
To achieve the above object, the present invention provides an embodiment: a pixel arrangement structure of an organic light emitting diode display, the pixel arrangement structure of the organic light emitting diode display comprising a plurality of first pixels, a plurality of second pixels, and a plurality of third pixels, wherein: the rows and columns in which only the first pixel is present are mutually kept at an angle of 90 °; a column in which only the second pixel exists and a column in which only the third pixel exists are parallel to each other; the central points of the second pixel and the third pixel are in a common row and a common column, and are at least spaced at a certain distance; the second pixel and the second pixel center point, the third pixel and the third pixel center point are in common row and not in common line, and at least a certain distance is kept between the second pixel and the second pixel center point; one first pixel is surrounded by four first pixels, two second pixels and two third pixels; one second pixel is surrounded by four first pixels, two second pixels and two third pixels, and one third pixel is surrounded by four first pixels, two second pixels and two third pixels; the first, second and third pixels have a polygonal shape and are spaced apart from each other by a certain distance.
As shown in fig. 1, fig. 1 is a schematic diagram of a pixel arrangement structure of an organic light emitting diode display provided by the present invention.
Specifically, the number ratio of the first pixels to the second pixels to the third pixels is 2:1: 1.
Specifically, the arrangement unit summarized in the present embodiment includes four first pixels (P1, P2, P3, P4), two second pixels (P5, P6), and two third pixels (P7, P8).
Specifically, in the generalized minimum arrangement unit, the second pixel is surrounded by the first pixel at four equal sides, the center point distances are L2 and L4, and in the arrangement entirety formed by stacking the arrangement units as virtual boxes, the third pixel will also be surrounded by the first pixel at four sides, the center point distances are L1 and L3, in this example, L1 is equal to L3 in length, and L2 is equal to L4 in length.
Specifically, in the arrangement direction in which no other pixel is on the center-point connection line, the distances between the first pixel and the center point of the adjacent first pixel are L5 and L6, respectively, and in this example, L5 is equal to L6 in length; in the arrangement direction of no other pixels on the central point connecting line, the distance of the central point between the third pixel and the adjacent third pixel is L7; in the arrangement direction of no other pixels on the central point connecting line, the distance between the second pixel and the adjacent second pixel is L8; only the center point distance between the second pixel and the third pixel adjacent to each other between the rows of the second pixel and the third pixel is L9.
Specifically, in general, L1, L2, L3, L4 are equal to each other in length, L5, L6 are equal to each other in length, and L7, L8 are equal to each other in length; the lengths of L5, L6, L7, L8 and L9 are greater than those of L1, L2, L3 and L4.
Specifically, the first, second, and third pixels may be any polygon or circle, and the area of the second pixel is usually larger than that of each third pixel, and the area of the third pixel is usually larger than that of each first pixel; the central points of all the first pixels are generally arranged in a collinear way in two directions with 90 degrees included angles, and other pixels do not exist on the central point connecting line of the first pixels in the two directions with 90 degrees included angles; the central points of all the second pixels and all the third pixels are generally collinear in a certain direction respectively, and in the two directions respectively, no other pixel exists on the central point connecting line of the second pixels, no other pixel exists on the central point connecting line of the third pixels, two direction extension lines meeting the requirement respectively are parallel to each other, and the distance between the two direction extension lines is L9; there will be a direction at an angle of 90 deg. to the extension of the direction as described above, and the second and third pixels will be arranged in register adjacent to each other, i.e. on the line connecting the centre points of the second or third pixels, there will be a third or second pixel. The distance between the center points of the adjacent pixels is L9; a direction having an angle of 45 ° with respect to the above-described extension of the direction can be summarized as a third pixel, a first pixel, a second pixel, and the sequential arrangement order of the first pixels, that is, other pixels exist on the line connecting the center points of the first pixel, the second pixel, or the third pixel. The central points of the pixels are overlapped, and the distances are L1, L4 and L4 respectively.
Specifically, the first pixel is a sub-pixel with a hexagonal structure and emits green light G; the second pixel is a sub-pixel with a hexagonal structure and emits blue light B; the third pixel is a sub-pixel with a quadrilateral structure and emits red light R.
Specifically, a second first pixel is constructed at a distance of a center-to-center length L5 in the horizontal positive direction of the first pixel, centered on the first pixel P1; p3 and P4 were constructed in the direction of the center distance L6 in the co-columnar direction of P1 and P2.
Specifically, two third pixels P5, P6 are respectively constructed in the 45 °, 315 ° and positive center distances L2, L4 of P1.
Specifically, two third pixels P7, P8 are respectively constructed in the 135 °, 225 ° and positive center distances L1, L3 of P1.
Specifically, the four first pixels P1, P2, P3 and P4 are connected at their center points to form a rectangle, and the four first pixels P1, P2, P3 and P4 are connected at their center points to coincide with the four corners of the rectangle.
Specifically, the geometric center of the rectangle formed by the center points of the four first pixels P1, P2, P3 and P4 is coincident with the center point of the second pixel P5.
Specifically, the center points of the two second pixels P5 and P6 and the two third pixels P7 and P8 enclose a rectangle, and the center points of the two second pixels P5 and P6 and the two third pixels P7 and P8 coincide with the four corners of the rectangle.
Specifically, the geometric center of the rectangle formed by the center points of the P5, the P6, the P7 and the P8 is coincident with the center point of the first pixel P1.
Specifically, in a rectangle surrounded by the centers of the two second pixels P5 and P6 and the two third pixels P7 and P8, no other pixel exists on the center connecting line of the second pixels P5 and P6; there is no other pixel on the center connecting line of the third pixels P7 and P8.
Referring to fig. 2, fig. 2 is a schematic view of an exemplary embodiment of the present invention.
Specifically, the schematic diagram illustrates an embodiment including a plurality of first pixels G, a plurality of second pixels B, and a plurality of third pixels R.
Specifically, in this embodiment, the first pixel, the second pixel, and the third pixel each have a signal path for driving. Such as a driving circuit, a gate line, a signal data line, and the like. In corresponding other embodiments, the first two or three pixels each have a corresponding emissive layer, anode, cathode and pixel defining, driving channels.
In particular, the individual first and second sub-pixels are each isolated and arranged in rows or columns in this example; in this example, the first pixel emits green light, the second pixel emits blue light, and the third pixel emits red light. In other aspects, the first pixel, the second pixel, and the third pixel may emit light not limited to red, green, blue, or white light.
Specifically, in this example, the first pixel, the second pixel are hexagonal, and the third pixel is a quadrilateral; in other embodiments, the first, second, and third pixels may be any polygon or circle.
Specifically, in this embodiment, one first pixel is surrounded by four first pixels, two second pixels, and two third pixels, and in two mutually perpendicular directions, there is no other pixel on the center point connecting line of the first pixels. In another embodiment, the line connecting the center points in the two directions is between 80 ° and 100 °.
Specifically, in this embodiment, one second pixel is surrounded by four first pixels, two third pixels, and two second pixels. In only one direction, no other pixel exists on the connecting line of the central points of the second pixels; one third pixel is surrounded by four first pixels, two third pixels and two second pixels. In only one direction, no other pixel exists on the connecting line of the central points of the third pixels; there is a direction in which the line connecting the center points of the second pixel and the third pixel is collinear, and the two directions of the line connecting the second pixel and the third pixel are adjacent to each other. In other embodiments, the center points of the second pixel and the third pixel may not be collinear, but in the same direction, the second pixel and the third pixel remain adjacent.
Specifically, in this embodiment, there are two mutually perpendicular directions, in which the first, second, and second pixel center point connecting lines coincide, and the first pixel is adjacent to the second and third pixels in the two directions of the connecting line, and the second and third pixels are not adjacent. In other embodiments. The central points of the first two and three pixels in the same direction may not coincide, but the first pixel is still adjacent to the second and third pixels in the two directions of the connecting line, and the second and third pixels are still not adjacent.
In the above embodiments, the basic principle and the main features of the present invention and the advantages of the present invention are described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, and that modifications and variations can be made by one skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A pixel arrangement structure of an organic light emitting diode display, the pixel arrangement structure of the organic light emitting diode display comprising a plurality of first pixels, a plurality of second pixels, and a plurality of third pixels, wherein:
the rows and columns where only the first pixel center point exists remain perpendicular to each other;
the columns in which only the second pixel center points exist and the columns in which only the third pixel center points exist are parallel to each other;
the central points of the second pixel and the third pixel are in a common row and a common column, and are at least spaced at a certain distance; the second pixel and the second pixel center point, the third pixel and the third pixel center point are in common row and not in common line, and at least a certain distance is kept between the second pixel and the second pixel center point;
one first pixel is surrounded by four first pixels, two second pixels and two third pixels; one second pixel is surrounded by four first pixels, two second pixels and two third pixels, and one third pixel is surrounded by four first pixels, two second pixels and two third pixels;
the first, second and third pixels have a circular or polygonal shape and are spaced apart from each other by a certain distance.
2. The pixel arrangement structure of an organic light emitting diode display according to claim 1, wherein a number ratio of the first pixels to the second pixels to the third pixels is 2:1: 1.
3. The pixel arrangement structure of an organic light emitting diode display according to claim 1, wherein the first pixel is a subpixel having a hexagonal structure, emitting green light G; the second pixel is a sub-pixel with a hexagonal structure and emits blue light B; the third pixel is a sub-pixel with a quadrilateral structure and emits red light R.
4. The pixel arrangement structure of claim 1, wherein the four first pixels P1, P2, P3 and P4 are connected to form a rectangle, and the four first pixels P1, P2, P3 and P4 are connected to form a rectangle with four corners coinciding with the rectangle.
5. The pixel arrangement structure of an organic light emitting diode display device as claimed in claim 1, wherein a geometric center of a rectangle formed by center points of said four first pixels P1, P2, P3 and P4 coincides with a center point of said second pixel P5.
6. The pixel arrangement structure of an organic light emitting diode display according to claim 1, wherein the central points of the two second pixels P5, P6 and the two third pixels P7, P8 enclose a rectangle, and the central points of the two second pixels P5, P6 and the two third pixels P7, P8 coincide with the four corners of the rectangle.
7. The pixel arrangement structure of an organic light emitting diode display device as claimed in claim 1, wherein in a rectangle formed by center points of the two second pixels P5, P6 and the two third pixels P7, P8, no other pixel exists on a center line of the second pixels P5, P6; there is no other pixel on the center connecting line of the third pixels P7 and P8.
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