CN204614789U - Pixel arrangement structure, organic electroluminescence device, display unit, mask plate - Google Patents
Pixel arrangement structure, organic electroluminescence device, display unit, mask plate Download PDFInfo
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- CN204614789U CN204614789U CN201520320630.7U CN201520320630U CN204614789U CN 204614789 U CN204614789 U CN 204614789U CN 201520320630 U CN201520320630 U CN 201520320630U CN 204614789 U CN204614789 U CN 204614789U
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Abstract
The utility model discloses a kind of pixel arrangement structure, organic electroluminescence device, display unit, mask plate, in order to make the open area of the metal mask plate manufacturing pixel arrangement structure larger, and then raising aperture opening ratio, improve the brightness of AMOLED product, life-span and image quality definition.The pixel arrangement structure that the utility model provides comprises multiple pixel be made up of three different colours sub-pixels, and wherein, the central point line of each sub-pixel forms equilateral triangle, and the shape of each sub-pixel is the polygon that limit number is greater than four.
Description
Technical field
The utility model relates to display technology field, particularly relates to a kind of pixel arrangement structure, organic electroluminescence device, display unit, mask plate.
Background technology
In mobile phone and flat panel display, active-matrix organic electroluminescent (Active Matrix OrganicLight Emitting Diode, AMOLED) panel will become the main flow of display of future generation due to it gradually from advantages such as main light emission, bright in luster, low-power consumption, wide viewing angles.
AMOLED comprises from the principle of main light emission: with indium tin oxide semiconductor (ITO) electrode that backboard makes and metal electrode respectively as the anode of device and negative electrode, by organic semiconducting materials and luminescent material evaporation on substrate, under certain voltage drives, electronics and hole are injected into electronics and hole transmission layer from negative electrode and anode respectively, electronics and hole move to luminescent layer respectively through electronics and hole transmission layer, and meet in luminescent layer, form exciton and light emitting molecule is excited, the latter sends visible ray through radiative relaxation.
Current people to the resolution of mobile phone or flat board and brightness requirement more and more higher, but high-quality, high-resolution organic electroluminescent (Organic Light Emitting Diode, OLED) display screen to be produced, still face heavy challenge.For high-resolution AMOLED, precision metallic mask plate (FineMetal Mask, FMM) be one of its most critical technology developed of restriction, the making of the metal mask plate of this evaporation along with the raising of resolution also more and more difficult, simultaneously due to the raising of resolution, required distance between sub-pixel for emitting light region is more and more less, evaporation screen colour mixture out also can be more and more serious, particularly traditional stripe-arrangement red, green, blue (R, G, B) three sub-pixels, the length of the open area of the FMM that each sub-pixel is corresponding is longer, linearity controls difficulty, easy generation colour mixture.And the RGB arrangement mode of traditional point-like (Slot), although aperture opening ratio length can not be caused longer, linearity is difficult to control, but in the manufacturing process of the open area of FMM, certain raw material metal to be left as connecting bridge (being called Rib) between the open area of each Slot, thus cause the size reduction of sub-pixel FMM open area, thus affect the aperture opening ratio of OLED display device.Aperture opening ratio is low, and brightness and life-span can not reach requirement.Thus make AMOLED product yield low, limit high-resolution AMOLED panel volume production.So propose the pixel arrangements of a kind of pentile in prior art, but this arrangement mode exists picture crosstalk to be increased the weight of, the problems such as oblique line sawtooth deterioration.
In sum, pixel arrangement structure of the prior art, cannot at guarantee image without under the prerequisite of crosstalk, avoid the problem that the open area of metal mask plate is less, therefore cause luminous area less, aperture opening ratio is low, and product brightness and life-span can not reach requirement, make AMOLED product yield low, limit high-resolution AMOLED panel volume production.
Utility model content
The utility model embodiment provides a kind of pixel arrangement structure, organic electroluminescence device, display unit, mask plate, in order to make the open area of the metal mask plate manufacturing pixel arrangement structure larger, and then raising aperture opening ratio, improve the brightness of AMOLED product, life-span and image quality definition.
A kind of pixel arrangement structure that the utility model embodiment provides comprises multiple pixel be made up of three different colours sub-pixels, and wherein, the central point line of each sub-pixel forms equilateral triangle, and the shape of each sub-pixel is the polygon that limit number is greater than four.
Pixel arrangement structure in the utility model embodiment comprises multiple pixel be made up of three different colours sub-pixels, wherein, the central point line of each sub-pixel forms equilateral triangle, the shape of each sub-pixel is the polygon that limit number is greater than four, such as pentagon or hexagonal sub-pixel, and the sub-pixel of these shapes is the Heterogeneous Permutation of point-like, and hexagon or pentagon larger than quadrangle light-emitting area, effectively make use of light-emitting area, luminous area is made to become large, non-luminous area diminishes, the open area achieving the metal mask plate manufacturing this pixel arrangement structure is larger, therefore luminous area is increased, aperture opening ratio is large, distance between the open area of metal mask plate also can increase, metal mask plate intensity is increased, metal mask plate quality improves, useful life increases, reduce production cost.In addition, product brightness and life-span can meet requirements at the higher level, make AMOLED product yield high, and improve high-resolution AMOLED panel volume production, and can avoid the problem of picture crosstalk, screen display image quality is clear.
Preferably, the shape of each sub-pixel is regular hexagon.
Preferably, this pixel arrangement structure comprises the pixel cell group of multirow repeated arrangement, and every a line pixel cell group comprises at least one pixel cell group, and each the pixel cell group in every a line is made up of described pixel.
Preferably, each pixel cell group in every a line comprises two described pixels, be respectively the first pixel and the second pixel, and the first pixel and the second pixel are disposed adjacent, the triangle that the central point line of three sub-pixels in the first pixel is formed is positive delta arrangement, and the triangle that the central point line of three sub-pixels in the second pixel is formed is inverted triangle arrangement.
Preferably, red sub-pixel, green sub-pixels and blue subpixels is comprised respectively in each pixel;
In each pixel cell group, the central point of red sub-pixel in the central point of the green sub-pixels in the first pixel and the second pixel and the central point of blue subpixels are arranged in order on the first straight line, the central point of the green sub-pixels in the central point of the red sub-pixel in the first pixel and the central point of blue subpixels and the second pixel is arranged in order on the second straight line, wherein the first straight line and the second straight line parallel, and these two straight lines to be expert at extension along this pixel cell group.
Preferably, in a column direction, what be arranged in odd column is the first pixel, and what be arranged in even column is the second pixel; Or what be arranged in odd column is the second pixel, what be arranged in even column is the first pixel.
Preferably, the limit that any two adjacent sub-pixels are relative is parallel to each other.
Preferably, the area equation of each sub-pixel.
Preferably, the distance between the central point of any two adjacent different colours sub-pixels is equal.
A kind of organic electroluminescence device that the utility model embodiment provides, comprises underlay substrate and is positioned at the described pixel arrangement structure that the utility model embodiment on described underlay substrate provides.
A kind of display unit that the utility model embodiment provides, comprises the organic electroluminescence device that the utility model embodiment provides.
The utility model embodiment provide a kind of for make the utility model embodiment provide described in the mask plate of pixel arrangement structure, comprise: substrate, and be arranged on described substrate with the sub-pixel open area one to one of described pixel arrangement structure.
This mask plate is owing to effectively make use of light-emitting area, and make luminous area become large, non-luminous area diminishes, realize this mask plate open area comparatively large, therefore increase luminous area, aperture opening ratio is large, distance between the open area of mask plate also can increase, and mask plate in strength is increased, and mask plate quality improves, useful life increases, reduce production cost, and, owing to not being employing pentile arrangement, can avoid the problem of picture crosstalk, screen display image quality is clear.
Accompanying drawing explanation
The pixel arrangement structure schematic diagram that Fig. 1 provides for the utility model embodiment;
The arrangement schematic diagram of the different subpixel unit group sub-pixel in the arbitrary pixel cell group in the pixel arrangement structure that Fig. 2 provides for the utility model embodiment;
The repeated arrangement schematic diagram of pixel cell group in the pixel arrangement structure that Fig. 3 provides for the utility model embodiment;
The arrangement schematic diagram of the different subpixel unit group in the arbitrary pixel cell group in the pixel arrangement structure that Fig. 4 provides for the utility model embodiment;
The structural representation of a kind of mask plate that Fig. 5 provides for the utility model embodiment;
The corresponding relation schematic diagram of the sub-pixel in the pixel arrangement structure that the open area in the mask plate that Fig. 6 provides for the utility model embodiment and the utility model embodiment provide.
Embodiment
The utility model embodiment provides a kind of pixel arrangement structure, organic electroluminescence device, display unit, mask plate, in order to make the open area of the metal mask plate manufacturing pixel arrangement structure larger, and then raising aperture opening ratio, improve the brightness of AMOLED product, life-span and image quality definition.
A kind of pixel arrangement structure that the utility model embodiment provides comprises multiple pixel be made up of three different colours sub-pixels, wherein, the central point line of each sub-pixel forms equilateral triangle, these sub-pixels are made to be the Heterogeneous Permutation of point-like, the shape of each sub-pixel is the polygon that limit number is greater than four, such as pentagon or hexagonal sub-pixel, and hexagon or pentagon larger than quadrangle light-emitting area, effectively make use of light-emitting area, luminous area is made to become large, non-luminous area diminishes, the open area achieving the metal mask plate manufacturing this pixel arrangement structure is larger, therefore luminous area is increased, aperture opening ratio is large, distance between the open area of metal mask plate also can increase, metal mask plate intensity is increased, metal mask plate quality improves, useful life increases, reduce production cost.In addition, product brightness and life-span can meet requirements at the higher level, make AMOLED product yield high, and improve high-resolution AMOLED panel volume production, and can avoid the problem of picture crosstalk, screen display image quality is clear.
Preferably, the shape of each sub-pixel is regular hexagon.
Preferably, this pixel arrangement structure comprises the pixel cell group of multirow repeated arrangement, and every a line pixel cell group comprises at least one pixel cell group, and each the pixel cell group in every a line is made up of described pixel.
Preferably, each pixel cell group in every a line comprises two described pixels, be respectively the first pixel and the second pixel, and the first pixel and the second pixel are disposed adjacent, the triangle that the central point line of three sub-pixels in the first pixel is formed is positive delta arrangement, and the triangle that the central point line of three sub-pixels in the second pixel is formed is inverted triangle arrangement.
Provide the explanation of a preferred embodiment below, see Fig. 1, pixel arrangement structure in the utility model embodiment comprises: the pixel cell group 20 of multirow repeated arrangement, and every a line pixel cell group comprises at least one pixel cell group 20, each the pixel cell group 20 in every a line comprises and is disposed adjacent and comprises the first pixel 201 and the second pixel 202 of three different colours sub-pixels respectively; Such as, Fig. 1 comprises four lines pixel cell group 20, and every a line comprises two pixel cell groups 20.If described from row, comprise four row sub-pixel unit groups, the first row sub-pixel unit group and the secondary series sub-pixel unit group that are wherein positioned at same a line form a pixel cell group 20, a pixel cell group 20 is formed, by that analogy with the 3rd row sub-pixel unit group of a line and the 4th row sub-pixel unit group.
Wherein, see Fig. 2, in each pixel cell group, three sub-pixels in the first pixel are positive delta arrangement, and three sub-pixels in the second pixel are inverted triangle arrangement; The line of the first color sub-pixels central point namely in the first pixel, the second color sub-pixels central point, the 3rd color sub-pixels central point forms equilateral triangle, the line of the first color sub-pixels central point in the second pixel, the second color sub-pixels central point, the 3rd color sub-pixels central point also forms equilateral triangle, and, the first color sub-pixels central point in first pixel and the line a of the second color sub-pixels central point, parallel with the line b of the 3rd color sub-pixels central point with the first color sub-pixels central point in the second pixel.
In the utility model embodiment, the shape of each sub-pixel is the polygon that limit number is greater than four.Preferably, the shape of each sub-pixel described in the utility model embodiment is regular hexagon, can certainly be pentagon.
Pixel arrangement structure in the utility model embodiment, comprise: the pixel cell group of multirow repeated arrangement, and every a line pixel cell group comprises at least one pixel cell group, each the pixel cell group in every a line comprises and is disposed adjacent and comprises the first pixel and second pixel of three different colours sub-pixels respectively; Wherein, in each pixel cell group, three sub-pixels in the first pixel are positive delta arrangement, and three sub-pixels in the second pixel are inverted triangle arrangement; The shape of each sub-pixel is the polygon that limit number is greater than four, such as, be pentagon or hexagonal sub-pixel, and the Heterogeneous Permutation of the point-like of the sub-pixel of these shapes.Pixel arrangement plays vital effect to the making of metal mask plate, for the pixel arrangement that the utility model embodiment provides, relative to the opening of existing slot shape, aperture opening ratio improves greatly, relative to the opening of diamond shape, the RGB open area of the evaporation metal mask plate that the utility model embodiment provides is larger, reduce the manufacture difficulty of mask plate greatly, and distance between opening is large, mask plate effectively can be prevented to be out of shape in the process of throwing the net thus to improve the effect of evaporation, making picture more clear.That is, in the pixel arrangement structure that the utility model embodiment provides, hexagon or pentagon larger than quadrangle light-emitting area, effectively make use of light-emitting area, luminous area is made to become large, non-luminous area diminishes, the open area achieving the metal mask plate manufacturing this pixel arrangement structure is larger, therefore increase luminous area, aperture opening ratio is large, and the distance between the open area of metal mask plate also can increase, metal mask plate intensity is increased, metal mask plate quality improves, and useful life increases, and reduces production cost.In addition, product brightness and life-span can meet requirements at the higher level, make AMOLED product yield high, and improve high-resolution AMOLED panel volume production, and can avoid the problem of picture crosstalk, screen display image quality is clear.
See Fig. 3,
Preferably, the limit that any two adjacent sub-pixels are relative is parallel to each other.
Preferably, the area equation of each sub-pixel.
Namely in the utility model embodiment, preferably, the adjacent edge of two sub-pixels of arbitrary neighborhood is parallel and length is equal.
Preferably, the distance between the central point of any two adjacent different colours sub-pixels is equal.
Preferably, red sub-pixel 401, green sub-pixels 402 and blue subpixels 403 is comprised respectively in each sub-pixel unit group;
See Fig. 4, in each pixel cell group, the central point of red sub-pixel in the central point of the green sub-pixels in the first pixel and the second pixel and the central point of blue subpixels are arranged in order on the first straight line 501, the central point of the green sub-pixels in the central point of the red sub-pixel in the first pixel and the central point of blue subpixels and the second pixel is arranged in order on the second straight line 502, wherein the first straight line and the second straight line parallel, and these two straight lines to be expert at extension along this pixel cell group.First straight line 501 is positioned at above the second straight line 502.
Preferably, see Fig. 1 or Fig. 3, in a column direction, what be arranged in odd column is the first pixel, and what be arranged in even column is the second pixel; Or what be arranged in odd column is the second pixel, what be arranged in even column is the first pixel.It should be noted that, adjacent does not have clear and definite boundary between the column and the column.
A kind of organic electroluminescence device that the utility model embodiment provides, comprises underlay substrate and is positioned at the described pixel arrangement structure that the utility model embodiment on described underlay substrate provides.
A kind of display unit that the utility model embodiment provides, comprises the organic electroluminescence device that the utility model embodiment provides.
With the pixel arrangement structure shown in above-mentioned Fig. 1 accordingly, see Fig. 5, the utility model embodiment provide a kind of for make the utility model embodiment provide described in the mask plate of pixel arrangement structure, comprise: substrate, and be arranged on described substrate with the sub-pixel open area 601 one to one of described pixel arrangement structure, the FMM opening shape that each sub-pixel is corresponding is also hexagonal shape.The adjacent both sides of two FMM openings of arbitrary neighborhood are parallel and length is equal.The FMM open area that different subpixel often in row is corresponding, present Heterogeneous Permutation, finally the open area of the FMM that each sub-pixel is corresponding also presents honeycomb arrangement.
Mask plate described in the utility model embodiment can be metal mask plate, the shape of open area that it is arranged, size, position all depend on the pixel arrangement structure that the utility model embodiment provides, the sub-pixel one_to_one corresponding in the open area of mask plate and pixel arrangement structure.
The corresponding relation of the open area of the pixel arrangement structure that the utility model embodiment provides and mask plate is see Fig. 6, the corresponding open area of light-emitting zone of each sub-pixel, this mask plate is owing to effectively make use of light-emitting area, luminous area is made to become large, non-luminous area diminishes, realize this mask plate open area larger, therefore luminous area is increased, aperture opening ratio is large, distance between the open area of mask plate also can increase, mask plate in strength is increased, mask plate quality improves, useful life increases, reduce production cost, and, owing to not being employing pentile arrangement, the problem of picture crosstalk can be avoided, screen display image quality is clear.
As can be seen here, the utility model embodiment provides a kind of novel cellular and be conducive to the real rgb pixel arrangement architecture that fine metal mask plate makes, and the making figure of fine metal mask plate.Described pixel arrangement structure forms 2 pixel arrangements with 6 sub-pixels, and form a repetitive, 2 pixels arrange in same a line TFT substrate.Each sub-pixel unit group comprises the sub-pixel of sub-pixel R, G, B totally three kinds of colors, and the shape of these three sub-pixels is hexagon.The adjacent edge of two sub-pixels of arbitrary neighborhood is parallel and length is equal.In three different subpixel often in row, arbitrary neighborhood two sub-pixels are dislocation arrangement, and are not namely located along the same line, but the central point line of each sub-pixel forms equilateral triangle, and the FMM that finally each sub-pixel is corresponding presents honeycomb arrangement.
Correspondingly, metal mask plate is made into slot shape, and such arrangement avoids the colour mixture that metal mask lath-shaped opening causes, when PDL GAP value is certain, hexagon is larger than quadrangle light-emitting area, effectively make use of area, make luminous area become large, non-luminous area diminishes, and aperture opening ratio is large, life-saving, and the distance between metal mask plate opening is large, metal mask plate intensity increases, and FMM quality improves, useful life increases, and reduces production cost.Not only meet high PPI but also meet Real RGB, so final screen display image quality is clear simultaneously.Owing to not being pentile arrangement, but Real RGB, increase the weight of so alleviate picture crosstalk, the problems such as oblique line sawtooth deterioration.
The design principle of the FMM open area that each sub-pixel RGB is corresponding, is that the edge of the FMM opening that three sub pixels are corresponding is close to, makes full use of area.The pixel arrangement structure arrangement mode provided in corresponding the utility model embodiment, when PDL Gap is all equal, FMM open area has all taken the area of subpixel area, the area of FMM open area is also equal simultaneously (can certainly be incomplete same, do not limit in the utility model embodiment), but the light-emitting area of sub-pixel in the FMM open area that in each open area of hexagonal FMM, the light-emitting area of sub-pixel is greater than existing quadrangle, so the aperture opening ratio of sub-pixel corresponding to hexagonal FMM open area obviously increases, thus significantly increases the life-span of RGB light-emitting diode, this is a very important index for AMOLED product, this design sense is great.
In sum, the utility model embodiment is in order to solve making and the screen colour mixture problem of pixel arrangement restriction metal mask plate, improve aperture opening ratio, increase the life-span of AMOLED device, the utility model embodiment provides a kind of real rgb pixel arrangement architecture being conducive to evaporation metal mask plate and making, described pixel arrangement structure forms 2 pixels for elementary cell repeated arrangement with 6 sub-pixels and is formed, and the shape of the light-emitting area of each sub-pixel is hexagon.The adjacent both sides of two sub-pixel for emitting light areas of arbitrary neighborhood are parallel and length is equal.In the sub-pixel of three different colours often in row, arbitrary neighborhood two sub-pixel for emitting light areas are dislocation arrangement, and finally the opening of the FMM that each sub-pixel for emitting light area is corresponding presents honeycomb arrangement.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (13)
1. a pixel arrangement structure, is characterized in that, comprises multiple pixel, and each pixel is made up of three different colours sub-pixels, and wherein, the central point line of each sub-pixel forms equilateral triangle, and the shape of each sub-pixel is the polygon that limit number is greater than four.
2. pixel arrangement structure according to claim 1, is characterized in that, the shape of each sub-pixel is regular hexagon.
3. pixel arrangement structure according to claim 2, it is characterized in that, this pixel arrangement structure comprises the pixel cell group of multirow repeated arrangement, and every a line pixel cell group comprises at least one pixel cell group, each pixel cell group in every a line is made up of two described pixels, wherein the central point of the first color sub-pixels of the first pixel and the second color sub-pixels of the second pixel and the 3rd color sub-pixels is positioned at same straight line, the central point of the second color sub-pixels of the first pixel and the first color sub-pixels of the 3rd color sub-pixels and the second pixel is positioned at same straight line, the adjacent edge of two sub-pixels of arbitrary neighborhood is parallel and length is equal.
4. pixel arrangement structure according to claim 3, it is characterized in that, each pixel cell group in every a line comprises two described pixels, be respectively the first pixel and the second pixel, and the first pixel and the second pixel are disposed adjacent, the triangle that the central point line of three sub-pixels in the first pixel is formed is positive delta arrangement, and the triangle that the central point line of three sub-pixels in the second pixel is formed is inverted triangle arrangement.
5. pixel arrangement structure according to claim 4, is characterized in that, comprises red sub-pixel, green sub-pixels and blue subpixels respectively in each pixel;
In each pixel cell group, the central point of red sub-pixel in the central point of the green sub-pixels in the first pixel and the second pixel and the central point of blue subpixels are arranged in order on the first straight line, the central point of the green sub-pixels in the central point of the red sub-pixel in the first pixel and the central point of blue subpixels and the second pixel is arranged in order on the second straight line, wherein the first straight line and the second straight line parallel, and these two straight lines to be expert at extension along this pixel cell group.
6. pixel arrangement structure according to claim 5, is characterized in that, in a column direction, what be arranged in odd column is the first pixel, and what be arranged in even column is the second pixel; Or what be arranged in odd column is the second pixel, what be arranged in even column is the first pixel.
7. pixel arrangement structure according to claim 6, it is characterized in that, the first color sub-pixels in the first pixel in adjacent two row pixels and the second color sub-pixels in the second pixel or the 3rd color sub-pixels adjacent, the second color sub-pixels in the first pixel in adjacent two row pixels is adjacent with the first color sub-pixels in the second pixel, and the 3rd color sub-pixels in the first pixel in adjacent two row pixels is adjacent with the first color sub-pixels in the second pixel.
8. pixel arrangement structure according to claim 1, is characterized in that, the limit that any two adjacent sub-pixels are relative is parallel to each other.
9. the pixel arrangement structure according to the arbitrary claim of claim 1-8, is characterized in that, the length of side of each sub-pixel is equal.
10. the pixel arrangement structure according to the arbitrary claim of claim 1-8, is characterized in that, the distance between the central point of any two adjacent different colours sub-pixels is equal.
11. 1 kinds of organic electroluminescence devices, is characterized in that, comprise underlay substrate and are positioned at the pixel arrangement structure as described in claim as arbitrary in claim 1-10 on described underlay substrate.
12. 1 kinds of display unit, is characterized in that, comprise organic electroluminescence device according to claim 11.
13. 1 kinds, for making the mask plate of the pixel arrangement structure described in the arbitrary claim of claim 1-10, is characterized in that, comprising: substrate, and be arranged on described substrate with the sub-pixel open area one to one of described pixel arrangement structure.
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