CN204885166U - Dot structure and OLED display panel - Google Patents
Dot structure and OLED display panel Download PDFInfo
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- CN204885166U CN204885166U CN201520695089.8U CN201520695089U CN204885166U CN 204885166 U CN204885166 U CN 204885166U CN 201520695089 U CN201520695089 U CN 201520695089U CN 204885166 U CN204885166 U CN 204885166U
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Abstract
The utility model provides a dot structure with contain the OLED display panel of this dot structure, every pixel includes a first sub -pixel, a second sub -pixel, a third sub -pixel and two fourth sub -pixels in this dot structure, the quadrangle is arranged into to second sub -pixel, third sub -pixel and fourth sub -pixel, first sub -pixel is located in the quadrangle, second sub -pixel, third sub -pixel and fourth sub -pixel are four adjacent pixel sharings. The utility model discloses in, first sub -pixel is luminous for the main display, and second sub -pixel, third sub -pixel and fourth sub -pixel give off light for supplementary, so, the aperture ratio of the luminous sub -pixel of main display can be improved under the condition of the same PPI and design margin, perhaps under the same PPI and the aperture ratio condition, the product design surplus is improved, the reduction technology degree of difficulty.
Description
Technical field
The utility model relates to Display Technique field, particularly a kind of dot structure and the OLED display panel comprising this dot structure.
Background technology
(English full name is OrganicLight-EmittingDisplay to organic electroluminescence display panel, be called for short OLED display panel) have that active illuminating, frivolous, visual angle are large, fast response time, energy-conservation, temperature tolerance range large, can realize the advantage such as Flexible Displays and Transparence Display, is regarded as the novel flat-plate Display Technique of most potentiality of future generation.
In OLED display panel true color method, (English full name is colorfilter to colored filter, referred to as CF) method is two kinds of methods that development is comparatively ripe at present with red, green, blue (three primary colors are Red, Green, Blue, are called for short RGB) pixel method.
The colored filter method in OLED display panel field, the colored filter method of the full-color display in similar liquid crystal panel field, namely white organic LED plays the effect of backlight and liquid crystal molecule in liquid crystal panel as backlight, in addition filter, to realize redness, green, blue subpixels, can be good at solving problem prepared by resolution and large area so more above.But, because light is by having larger energy loss after colored filter, display floater power consumption will be caused to increase.
In order to effectively reduce the power consumption of display floater, usually rgb pixel method can be adopted.
Fig. 1 is existing a kind of schematic diagram adopting the OLED display panel of rgb pixel method.As shown in Figure 1, OLED display panel adopts rgb pixel juxtaposition method, comprise several pixel cells Pixel, each pixel cell Pixel includes 1 the red sub-pixel unit R be arranged in order in the horizontal direction, 1 green sub-pixels unit G and 1 blue subpixels unit B, whole sub-pixel unit in OLED display panel are matrix arrangement, and wherein each sub-pixel unit includes viewing area 1 and non-display area 2.Specifically, in the viewing area 1 of each sub-pixel unit, comprise negative electrode, anode and electroluminescence layer (organic emission layer), wherein, electroluminescence layer between negative electrode and positive electrode, for generation of predetermined color light with realize display.General by evaporation mode to form electroluminescence layer in OLED display panel.When preparing display floater in prior art, usually need to utilize three evaporation process to form the electroluminescence layer of corresponding color (red, green or blue) respectively in the viewing area 1 of corresponding color pixel cell.
Fig. 2 is the schematic diagram that existing another kind adopts the OLED display panel of rgb pixel method.As shown in Figure 2, the OLED display panel of rgb pixel matrix method is adopted to comprise several pixel cells Pixel, each pixel cell Pixel comprises 1 red sub-pixel unit R, 1 green sub-pixels unit G and 1 blue subpixels unit B, in above-mentioned 3 sub-pixel unit, 2 pixel cells such as red sub-pixel unit R and green sub-pixels unit G form a line, 3rd pixel cell such as blue subpixels unit B comes another row, and the whole sub-pixel unit in OLED display panel are matrix arrangement.
Along with the development of technology, the demand of user to OLED display panel resolution is more and more higher, and traditional rgb pixel arrangement can not meet the designing requirement of product height PPI (number of pixels that per inch has).
Utility model content
The utility model provides a kind of dot structure, comprises the first sub-pixel of array arrangement, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel, to form multiple pixel cell; Wherein, in each odd-numbered line and odd column, described second sub-pixel and the 3rd sub-pixel cross arrangement, and arrange first sub-pixel between the second adjacent sub-pixel and the 3rd sub-pixel, meanwhile, in each even number line and even column, described first sub-pixel and the 4th sub-pixel cross arrangement; Or, in each even number line and even column, described second sub-pixel and the 3rd sub-pixel cross arrangement, and arrange first sub-pixel between the second adjacent sub-pixel and the 3rd sub-pixel, meanwhile, in each odd-numbered line and odd column, described first sub-pixel and the 4th sub-pixel cross arrangement; Wherein, each pixel cell comprises first sub-pixel, the second sub-pixel, the 3rd sub-pixel and two the 4th sub-pixels, described second sub-pixel, the 3rd sub-pixel and the 4th pixel arrangement quadrangularly also surround described first sub-pixel, and described second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are that four adjacent pixel cells share.
In one embodiment, described second sub-pixel and the 3rd sub-pixel lay respectively on two relative summits of quadrangle, and described two the 4th sub-pixels lay respectively on two other relative summit of quadrangle.Described first sub-pixel is positioned on the line of the second sub-pixel and the 3rd sub-pixel central point be adjacent, and/or described first sub-pixel is positioned on the line of two the 4th sub-pixel central points be adjacent.
In one embodiment, described first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are polygon.
In one embodiment, described first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are one in quadrangle, hexagon, octagon or its combination in any.
In one embodiment, described first sub-pixel is rectangle, and described second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are square.
In one embodiment, the short side direction of described first sub-pixel is parallel with the line direction of the 3rd sub-pixel central point with the second adjacent sub-pixel, and the long side direction of described first sub-pixel is parallel with the line direction of adjacent two the 4th sub-pixel central points; Or the short side direction of described first sub-pixel is vertical with the line direction of the 3rd sub-pixel central point with the second adjacent sub-pixel, the long side direction of described first sub-pixel is vertical with the line direction of adjacent two the 4th sub-pixel central points.
In one embodiment, the first sub-pixel of two adjacent pixel cells, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are and are symmetrical arranged.
In one embodiment, the glow color of described first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel is different.
The utility model also provides a kind of OLED display panel, comprises dot structure as above.
For solving the problems of the technologies described above, the utility model provides a kind of dot structure of OLED display panel, each pixel cell comprises first sub-pixel, second sub-pixel, 3rd sub-pixel and two the 4th sub-pixels, second sub-pixel, 3rd sub-pixel and the 4th sub-pixel are that four adjacent pixel cells share, second sub-pixel, 3rd sub-pixel and the 4th pixel arrangement quadrangularly, described first sub-pixel is positioned at described quadrangle, first sub-pixel is that main display is luminous, second sub-pixel, 3rd sub-pixel and the 4th sub-pixel are auxiliary light emission, so, the aperture opening ratio of the luminous sub-pixel of main display can be improved when identical PPI and design margin, or, under identical PPI and aperture opening ratio situation, improve product design surplus, reduce technology difficulty.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the pixel structure of existing a kind of OLED display panel;
Fig. 2 is the schematic diagram of the pixel structure of existing another kind of OLED display panel;
Fig. 3 is the schematic diagram of the pixel structure of the OLED display panel of the utility model embodiment one;
Fig. 4 is the schematic diagram of four pixel cells in the dot structure shown in Fig. 3;
Fig. 5 is the schematic diagram of a pixel cell in the dot structure shown in Fig. 3
Fig. 6 is the schematic diagram of the pixel structure of the OLED display panel of the utility model embodiment two;
Fig. 7 is the schematic diagram of four pixel cells in the dot structure shown in Fig. 6;
Fig. 8 is the schematic diagram of a pixel cell in the dot structure shown in Fig. 6;
Fig. 9 is the schematic diagram of the pixel structure of the OLED display panel of the embodiment of the present invention three;
Figure 10 is the schematic diagram of four pixel cells in the dot structure shown in Fig. 9.
Embodiment
Just as described in the background section, traditional rgb pixel arrangement can not meet the designing requirement of product height PPI.Based on this, the utility model provides a kind of dot structure of OLED display panel, comprise the pixel cell of multiple array arrangement, each pixel cell comprises first sub-pixel, second sub-pixel, 3rd sub-pixel and two the 4th sub-pixels, described second sub-pixel, 3rd sub-pixel and the 4th sub-pixel are that four adjacent pixel cells share, described second sub-pixel, 3rd sub-pixel and the 4th pixel arrangement quadrangularly, described second sub-pixel, 3rd sub-pixel and the 4th sub-pixel surround the first sub-pixel, namely described first sub-pixel is positioned at described quadrangle.Wherein, the first sub-pixel is that main display is luminous, and the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are auxiliary light emission.So, the aperture opening ratio of the luminous sub-pixel of main display can be improved when identical PPI and design margin, extend device lifetime, or, under identical PPI and aperture opening ratio situation, improve product design surplus, reduce technology difficulty, promote yield.
It is more than the core concept of the application, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Set forth a lot of detail in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from mode described here to implement, those skilled in the art can when doing similar popularization without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when describing the utility model embodiment in detail; for ease of explanation; represent that the profile of device architecture can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, it should not limit the scope of the utility model protection at this.In addition, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
The dot structure that the utility model provides and the OLED display panel comprising this dot structure is specifically described below by embodiment.
Embodiment one
Fig. 3 is the schematic diagram of the pixel structure of the OLED display panel of the utility model embodiment one, and Fig. 4 is the schematic diagram of four pixel cells in the dot structure shown in Fig. 3, and Fig. 5 is the schematic diagram of a pixel cell in the dot structure shown in Fig. 3.
As seen in figures 3-5, the dot structure of OLED display panel comprises the pixel cell 110 of multiple array arrangement, each pixel cell 110 comprises 5 sub-pixels, be respectively 1 the first sub-pixel, 111,1 the second sub-pixel, 112,1 the 3rd sub-pixel, 113 and 2 the 4th sub-pixels 114, described first sub-pixel 111 is that a pixel cell 110 is private, and the second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 to be adjacent four pixel cells share.First sub-pixel 111 as main display unit, the PPI of its PPI representative products, and other three sub-pixels are as auxiliary display unit.The sub-pixel of auxiliary light emission is only used as color matching, and do not provide brightness, thus its area can be smaller compared to traditional structure, reserves more space to the sub-pixel of main display luminescence.When identical PPI and design margin, the aperture opening ratio of sub-pixel can be improved, thus extend the life-span of device.Under identical PPI and aperture opening ratio situation, because the area of the sub-pixel of auxiliary light emission can reduce, just strain is large mutually in gap between neighbor, be conducive to the sedimentation Stability that improvement uses organic emission layer in the deposition procedures of fine metal mask, improve product design surplus, reduce technology difficulty.
Described 1 the second sub-pixel 112,1 the 3rd sub-pixel 113 and 2 the 4th sub-pixels 114 are arranged into quadrangle, such as, be square, as shown in the square dotted line frame in Fig. 5.Second sub-pixel 112 and the 3rd sub-pixel 113 are positioned on two relative summits of quadrangle (two summits on quadrangle diagonal) P1, P3, and two the 4th sub-pixels 114 are positioned on two other relative summit of quadrangle (cornerwise two summits of another article, quadrangle) P2, P4.Second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 surround the first sub-pixel 111, and that is, the first sub-pixel 111 is positioned at quadrangle inside.
Emphasis is with reference to figure 5, in the present embodiment, first sub-pixel 111 is positioned at the center of the second sub-pixel 112 and the 3rd sub-pixel 113 line be adjacent, simultaneously, first sub-pixel 111 is positioned at the center of the line of two the 4th sub-pixels 114 be adjacent, that is, the first sub-pixel 111 is positioned at the center of square dotted line frame.Certainly, the position of the first sub-pixel 111 is not limited to above description, such as, first sub-pixel 111 can not be positioned on the second sub-pixel 112 and the 3rd sub-pixel 113 line, meanwhile, also can not be positioned on the line of two the 4th sub-pixels 114, in fact, first sub-pixel 111 is positioned at the inside of described quadrangle, can not be positioned at the center of quadrangle.
In the dot structure of the present embodiment, first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 are quadrangle, more specifically, the first sub-pixel 111 is rectangle, and the second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 are square.Further, the long side direction of the first sub-pixel 111 is parallel with the line direction of the second adjacent sub-pixel 112, the 3rd sub-pixel 113 central point, and its short side direction is then parallel with the line direction of adjacent two the 4th sub-pixels 114.
Further, common limit shared by two virtual square frames of arbitrary neighborhood, as shown in fictitious line L1, the L2 in Fig. 4, the limit specular that first sub-pixel 111 of two adjacent pixel cells is shared along two virtual square frames, namely, two adjacent the first sub-pixels 111 are along the line direction specular of the central point of the second adjacent sub-pixel 112 and the 4th sub-pixel 114, and " specular " described herein refers to that the shape of two the first sub-pixels 111 is identical but the symmetry that direction is different.Two adjacent the second sub-pixels 112 are symmetrical along the line direction self of the central point of adjacent two the 3rd sub-pixels 113, two adjacent the 3rd sub-pixels 113 are symmetrical along the line direction self of the central point of adjacent two the second sub-pixels 112, two adjacent the 4th sub-pixels 114 are symmetrical along the line direction self of the central point of the second adjacent sub-pixel 112 and the 4th sub-pixel 114, and " self is symmetrical " described herein refers to the identical symmetry of two sub-pixel shape and direction.
Above-mentioned is the shape describing the first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 for quadrangle, but will be appreciated that, in other execution modes of the utility model, first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 also can be other shapes, one or more in the multiple polygonal shapes such as such as triangle, pentagon, hexagon, heptagon, octagon.Further, the line direction of the long side direction of the first sub-pixel 111 and the second sub-pixel 112, the 3rd sub-pixel 113 central point also can be not parallel, such as has certain angle.
Continue with reference to figure 4 and Fig. 5, in the present embodiment, second sub-pixel 112 is identical with the 3rd sub-pixel 113 area, each 4th sub-pixel 114 has than the second adjacent sub-pixel 112 and the less area of the 3rd sub-pixel 113, and each first sub-pixel 111 has the area less than the 4th adjacent sub-pixel 114.Why make the area of the first sub-pixel 111 minimum in the present embodiment, all the other sub-pixel area are all greater than the area of the first sub-pixel 111, are to consider that all the other sub-pixels are four adjacent pixel cells and share, so make its area bigger.But will be appreciated that, the utility model does not limit the concrete area of each sub-pixel, the area of the first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 can identical also can not be identical, can require according to color matching the area of corresponding each sub-pixel of adjustment.
As shown in Figure 4, distance between the first adjacent sub-pixel 111 is D1, distance between first sub-pixel 111 and the second adjacent sub-pixel 112 is D2, distance between first sub-pixel 111 and the 3rd adjacent sub-pixel 113 is D3, and the distance between the first sub-pixel 111 and adjacent two the 4th sub-pixels 114 is D4.Because the first sub-pixel 111 is that main display is luminous, second sub-pixel 112, 3rd sub-pixel 113 and the 4th sub-pixel 114 are auxiliary light emission, the pixel of auxiliary light emission is only used as color matching, do not there is provided brightness, its area can be smaller compared to traditional structure, reserve more space to the sub-pixel of main display luminescence, under the PPI identical with traditional structure and aperture opening ratio situation, after reducing the area of the sub-pixel of auxiliary light emission, gap between adjacent subpixels such as D2, D3, D4 can strain greatly mutually, thus improve the sedimentation Stability of organic emission layer in the deposition procedures using fine metal mask, namely product design surplus can be improved, reduce technology difficulty.
In the present embodiment, in each odd-numbered line, the second sub-pixel 112 and the 3rd sub-pixel 113 cross arrangement, and, arrange one first sub-pixel 111 all the time therebetween, such as, arrange along the first virtual line X1 in Fig. 3; In each even number line, the first sub-pixel 111 and the 4th sub-pixel 114 cross arrangement, such as, arrange along the second virtual line X2 in Fig. 3; In each odd column, the second sub-pixel 112 and the 3rd sub-pixel 113 cross arrangement, and, arrange one first sub-pixel 111 all the time therebetween, such as, arrange along the first virtual line Y1 in Fig. 3; In each even column, the first sub-pixel 111 and the 4th sub-pixel 114 cross arrangement, such as, arrange along the second virtual line Y2 in Fig. 3.In other execution modes of the utility model, also the position of the second sub-pixel 112 and the 3rd sub-pixel 113 can be exchanged.That is, in each odd-numbered line, the first sub-pixel 111 and the 4th sub-pixel 114 cross arrangement; In each even number line, the second sub-pixel 112 and the 3rd sub-pixel 113 cross arrangement and there is therebetween the first sub-pixel 111 all the time; In each odd column, the first sub-pixel 111 and the 4th sub-pixel 114 cross arrangement; In each even column, the second sub-pixel 112 and the 3rd sub-pixel 113 cross arrangement and there is therebetween one first sub-pixel 111 all the time.Being understandable that, in order to briefly, is only the pixel structure schematically indicating OLED display panel in Fig. 3, actually can arrange more multiple row and/or more multirow.
In one embodiment, the first sub-pixel 111 launches gold-tinted or white light, and comprises the organic emission layer for launching gold-tinted or white light; Second sub-pixel 112 red-emitting, and comprise the organic emission layer for red-emitting; 3rd sub-pixel 113 launches blue light, and comprises the organic emission layer for launching blue light; 4th sub-pixel 114 transmitting green light, and comprise the organic emission layer for transmitting green light.Be understandable that, the coloured light of sub-pixel can exchange, and only need meet following condition: at least comprise red sub-pixel, green sub-pixels and blue subpixels in the first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113, the 4th sub-pixel 114.That is, color in described first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 can be different, is respectively gold-tinted, ruddiness, green glow and blue light or white light, ruddiness, green glow and blue light in such as such scheme.The color that also can be wherein two class sub-pixels is identical, first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113, the 4th sub-pixel 114 red-emitting, green glow and blue light, such as, first sub-pixel 111 and the 4th sub-pixel 114 transmitting green light, second sub-pixel 112 red-emitting, 3rd sub-pixel 113 launches blue light, etc., do not enumerate at this.
Embodiment two
Fig. 6 is the schematic diagram of the pixel structure of the OLED display panel of the utility model embodiment two, and Fig. 7 is the schematic diagram of four pixel cells in the dot structure shown in Fig. 6, and Fig. 8 is the schematic diagram of a pixel cell in the dot structure shown in Fig. 6.
As shown in Figure 6 to 8, in the present embodiment, the dot structure of OLED display panel comprises the pixel cell 110 of multiple array arrangement, each pixel cell 110 comprises 5 sub-pixels, be respectively 1 the first sub-pixel, 111,1 the second sub-pixel, 112,1 the 3rd sub-pixel, 113 and 2 the 4th sub-pixels 114, described first sub-pixel 111 is that pixel cell 110 is private, and the second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 to be adjacent four pixel cells share.
The present embodiment and embodiment one difference are, the short side direction of the first sub-pixel 111 is parallel with the line direction of the second adjacent sub-pixel 112, the 3rd sub-pixel 113 central point, its long side direction is then parallel with the line direction of adjacent two the 4th sub-pixels 114, as shown in Figure 8.
Moreover, in the present embodiment, second sub-pixel 112 is identical with the 3rd sub-pixel 113 area, and, each first sub-pixel 111 has than the second adjacent sub-pixel 112 and the less area of the 3rd sub-pixel 113, meanwhile, each 4th sub-pixel 114 has the area less than the first adjacent sub-pixel 111.
Embodiment three
Fig. 9 is the schematic diagram of the pixel structure of the OLED display panel of the embodiment of the present invention three, and Figure 10 is the schematic diagram of four pixel cells in the dot structure shown in Fig. 9.
As shown in Figure 9 and Figure 10, in the present embodiment, the dot structure of OLED display panel comprises the pixel cell 110 of multiple array arrangement, each pixel cell 110 comprises 5 sub-pixels, be respectively 1 the first sub-pixel, 111,1 the second sub-pixel, 112,1 the 3rd sub-pixel, 113 and 2 the 4th sub-pixels 114, described first sub-pixel 111 is that pixel cell 110 is private, and the second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 to be adjacent four pixel cells share.
The present embodiment and embodiment one difference are, first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 are square, further, the first sub-pixel 111, second sub-pixel 112 of two adjacent pixel cells, the 3rd sub-pixel 113 and the 4th sub-pixel 114 are that self is symmetrical.Specifically, common limit shared by two virtual square frames of arbitrary neighborhood, as shown in fictitious line L1, the L2 in Figure 10, adjacent two the first sub-pixel 111, second sub-pixels 112, the 3rd sub-pixel 113 and the 4th sub-pixels 114 are symmetrical along this dotted line limit L1 or L2 self.
Embodiment four
The present embodiment provides a kind of OLED display panel, comprises embodiment one or embodiment two or the dot structure described in embodiment three.
In one embodiment, in the first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114, be provided with the power line for driving each pixel, such as, gate line, data wire, driving power supply line etc.In addition, the insulating barrier for limiting each sub-pixel is provided with, such as pixel confining layers.Further, in one embodiment, the OLED comprised with each corresponding anode, organic emission layer and the negative electrode in the first sub-pixel 111, second sub-pixel 112, the 3rd sub-pixel 113 and the 4th sub-pixel 114 is provided with.The shape of each pixel is limited by power line, pixel confining layers, anode etc.These structures are techniques well known, eliminate further describing it for convenience of explanation herein, but those skilled in the art should know.
The organic emission layer comprised in the pixel of OLED display panel is formed by utilizing the depositing operation of mask (as fine metal mask (FMM)).When reducing the gap between neighbor to obtain the high aperture of pixel, deposition reliability can be reduced.On the other hand, when increasing the gap between pixel to improve deposition reliability, the aperture opening ratio of pixel can be reduced.
Traditional rgb pixel arrangement is changed by the utility model, second sub-pixel, the 3rd sub-pixel and the 4th pixel arrangement quadrangularly, first sub-pixel is positioned at described quadrangle, first sub-pixel is that main display is luminous, and the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are auxiliary light emission.Like this, the sub-pixel of auxiliary light emission is only used as color matching, and do not provide brightness, thus its area can be smaller compared to traditional structure, reserves more space to the sub-pixel of main display luminescence.When identical PPI and design margin, the aperture opening ratio of the luminous sub-pixel of main display can be improved, thus suppress the reduction in the useful life of OLED display panel, namely extend the life-span of device.Under identical PPI and aperture opening ratio situation, because the area of the sub-pixel of auxiliary light emission can reduce, gap between adjacent subpixels strains greatly mutually, the sedimentation Stability of organic emission layer in the deposition procedures using fine metal mask can be improved, namely can improve product design surplus, reduce technology difficulty.
It should be noted that, in this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
Foregoing description is only the description to the utility model preferred embodiment; any restriction not to the utility model scope; any change that the those of ordinary skill in the utility model field does according to above-mentioned disclosure, modification, all belong to the protection range of claims.
Claims (10)
1. a dot structure, is characterized in that, comprises the first sub-pixel of array arrangement, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel, to form multiple pixel cell; Wherein,
In each odd-numbered line and odd column, described second sub-pixel and the 3rd sub-pixel cross arrangement, and arrange first sub-pixel between the second adjacent sub-pixel and the 3rd sub-pixel, simultaneously, in each even number line and even column, described first sub-pixel and the 4th sub-pixel cross arrangement; Or, in each even number line and even column, described second sub-pixel and the 3rd sub-pixel cross arrangement, and arrange first sub-pixel between the second adjacent sub-pixel and the 3rd sub-pixel, meanwhile, in each odd-numbered line and odd column, described first sub-pixel and the 4th sub-pixel cross arrangement;
Each pixel cell comprises first sub-pixel, the second sub-pixel, the 3rd sub-pixel and two the 4th sub-pixels, described second sub-pixel, the 3rd sub-pixel and the 4th pixel arrangement quadrangularly also surround described first sub-pixel, and described second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are that four adjacent pixel cells share.
2. dot structure as claimed in claim 1, it is characterized in that, described second sub-pixel and the 3rd sub-pixel lay respectively on two relative summits of quadrangle, and described two the 4th sub-pixels lay respectively on two other relative summit of quadrangle.
3. dot structure as claimed in claim 2, it is characterized in that, described first sub-pixel is positioned on the line of the second sub-pixel and the 3rd sub-pixel central point be adjacent, and/or described first sub-pixel is positioned on the line of two the 4th sub-pixel central points be adjacent.
4. dot structure as claimed in claim 1, it is characterized in that, described first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are polygon.
5. dot structure as claimed in claim 1, is characterized in that, described first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are one in quadrangle, hexagon, octagon or its combination in any.
6. dot structure as claimed in claim 5, it is characterized in that, described first sub-pixel is rectangle, and described second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are square.
7. dot structure as claimed in claim 6, it is characterized in that, the short side direction of described first sub-pixel is parallel with the line direction of the 3rd sub-pixel central point with the second adjacent sub-pixel, and the long side direction of described first sub-pixel is parallel with the line direction of adjacent two the 4th sub-pixel central points; Or the short side direction of described first sub-pixel is vertical with the line direction of the 3rd sub-pixel central point with the second adjacent sub-pixel, the long side direction of described first sub-pixel is vertical with the line direction of adjacent two the 4th sub-pixel central points.
8. dot structure as claimed in claim 6, is characterized in that, the first sub-pixel of two adjacent pixel cells, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are and are symmetrical arranged.
9. dot structure as claimed in claim 1, is characterized in that, the glow color of described first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel is different.
10. an OLED display panel, is characterized in that, comprises dot structure as claimed in any one of claims 1-9 wherein.
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Cited By (10)
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| WO2017045534A1 (en) * | 2015-08-31 | 2017-03-23 | 昆山国显光电有限公司 | Pixel structure and oled display panel |
| WO2017054614A1 (en) * | 2015-08-31 | 2017-04-06 | 昆山国显光电有限公司 | Pixel structure and oled display panel |
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