CN104576696B - A kind of dot structure and the OLED using the dot structure - Google Patents
A kind of dot structure and the OLED using the dot structure Download PDFInfo
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- CN104576696B CN104576696B CN201410800715.5A CN201410800715A CN104576696B CN 104576696 B CN104576696 B CN 104576696B CN 201410800715 A CN201410800715 A CN 201410800715A CN 104576696 B CN104576696 B CN 104576696B
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Abstract
A kind of OLED the invention discloses dot structure and using the dot structure.The dot structure includes multiple pixel cells, and each pixel cell forms rhombus by upper and lower two half-unit, is staggered between adjacent pixel cell;Each pixel cell includes multiple sub-pixels, wherein one of upper and lower half of pixel cell of the first sub-pixel composition rhombus, the second sub-pixel and the 3rd sub-pixel side by side, collectively form the pixel cell of rhombus upper and lower half it is another;The same color sub-pixels of the pixel cell of adjacent lines are disposed adjacent.The present invention can increase the width in corresponding evaporation Mask apertures, reduce Mask technology difficulties, improve and show PPI by the way that identical sub-pixel is merged.Simultaneously as the staggered pattern of adjacent lines pixel cell, makes the adjacent side between the second sub-pixel in the present invention, the 3rd sub-pixel and the first sub-pixel longer, main luminous relatively concentration, the light mixing effect of pixel cell are good.
Description
Technical field
The present invention relates to organic light emitting display technical field, specifically, is a kind of dot structure and uses the pixel knot
The OLED of structure.
Background technology
OLED(Organic Light-Emitting Diode, Organic Light Emitting Diode)It is active luminescent device.With biography
The LCD of system(Liquid Crystal Display, liquid crystal display)Display mode is compared, and OLED Display Techniques are without backlight
Lamp, there is self luminous characteristic.OLED use very thin organic material film laye and glass substrate, when have electric current by when, have
Machine material will light.Therefore OLED display screen can save significantly on electric energy, can be made lighter and thinner, more resistance to than LCD display
By the temperature change of wider range, and visible angle is bigger.OLED display is expected to turn into the flat board of future generation after LCD
Display Technique, it is one of the most technology that attracted attention in current flat panel display.
The colorization method of OLED screen body has many kinds, now more ripe and the volume production that succeeded OLED colorization skills
Art is OLED evaporation coating techniques, and it uses traditional RGB Stripe(RGB stripe shape)Arrangement mode is deposited.Wherein picture effect
Most preferably side-by-side(Juxtaposition)Mode.Side-by-side modes are in a pixel(Pixel)In the range of have
Red, green, blue(R、G、B)Three sub-pixels(sub-pixel), each sub-pixel is in quadrangle, and is each had with independent
Machine emitting components, it is to pass through fine metal mask plate using evaporation film-forming technology(Fine Metal Mask, FMM)
array(Array)Corresponding location of pixels forms organic emitting components on substrate.Make high PPI(Pixel Per Inch, point
Per inch)The technology of OLED screen body focuses on fine and good mechanical stability fine metal mask plate, and fine is golden
The key of category mask plate is the arrangement mode of pixel and sub-pixel.
Industry is seamed at present(slit), groove(slot), the arrangement mode such as Pentile and IGNIS, but due to mask plate
(Mask)Aperture area has lower specification limit, and in order to avoid manufacturing process is by tolerance(tolerance)Influence, adjacent pixel
Opening between need preset clearance(gap)And cause picture element density, as PPI can not be increased dramatically, and pixel arrangement
It is not that true colour display screen on true meaning such as shows at the reason so that above scheme can't solve asking for picture element density lifting well
Topic.
Traditional pixel arrangement mode, each pixel respectively by the colour cell of R, G, B tri- into.Pixel arrangement side as shown in Figure 1
Formula, tri- sub-pixels being parallel to each other of R, G, B are divided into a pixel, each sub-pixel is in quadrangle, according to corresponding RGB
The difference of device performance adjusts the size that R, G, B sub-pixel correspond to quadrangle.As shown in figure 1, pixel region 100 includes R
Pixel region 101, R luminous zones 102, G sub-pixel region 103, G luminous zones 104, B subpixel areas 105 and B luminous zones 106,
The region of R, G, B sub-pixel shown in figure and luminous zone area difference are equal, and area as needed can adjust during implementation.
Fig. 2 and Fig. 3 is respectively two kinds of evaporation Mask corresponding to Fig. 1.Wherein, the first blocked area 107 in Fig. 2, Fig. 3,
Second blocked area 109 is Mask blocked areas, and evaporation area first opening 108 and the second opening 110 can be seams(slit)Or groove
(slot)Two kinds.
Fig. 2 is that Mask is deposited in slit formulas, and its corresponding metal mask plate openings of sizes is corresponding with the size of sub-pixel.
The opening mode of the metal mask plate is mainly characterized by sharing same opening, metal in all sub-pixels for shielding internal same row
Mask plate opening is longer in the longitudinal direction, with the increase of screen size, the Opening length of metal mask plate be also required to
Growth, the non-opening portion between adjacent apertures forms metal strip(stripe).
Slit opening modes are for low PPI OLED screen body, and the spacing of adjacent apertures is larger on metal mask plate, gold
It is wider to belong to strip, the making of metal mask plate and is easier to using management.But such a opening mode is in high PPI OLED screen body
Using when, the spacing of adjacent apertures diminishes on fine metal mask plate, and metal strip is thinner, and metal mask plate is using process
Middle metal strip is easily influenceed and deformed by magnet plate magnetic line of force direction, and different colours material mutually pollutes between causing sub-pixel
And colour mixture, the production yield of product are relatively low.In addition, such a metal mask plate use, cleaning and management process in also easily by
Damage deformation, recycling rate of waterused is not high because the cost of metal mask plate is high, the screen body cost made in this way also compared with
It is high.
Fig. 3 is that Mask is deposited in slot formulas, and the opening mode of this kind of metal mask plate is mainly characterized by slit opening middle positions
Position between pixel adds bridge(Connecting bridge), adjacent metal strip is connected, an original strip opening is changed
Become multiple open cells.The method make it that the metal strip of metal mask plate is more firm, solves above-mentioned slit openings
The problem of formula metal strip is easily influenceed and deformed by the magnetic line of force and external force.But considering the long dimensional accuracy of metal mask plate,
In order to avoid producing shadowing effect to sub-pixel during evaporation, enough distances, sub-pixel must be kept between sub-pixel and bridge
Upper and lower length reduction, and have impact on the aperture opening ratio of each sub-pixel.
In above-mentioned each mode, each opening on Mask can only correspond to the sub-pixel of one or one same color, and it is arranged
Cloth density can not improve, thus resolution ratio can not just improve.And influenceed by Mask technological levels, the opening on this Mask is not
Can be too small, because evaporation can produce " shadow effect ", reserved certain surplus is also needed between two luminous zones, is prevented because " cloudy
Shadow effect " and produce colour mixture, therefore Mask opening can not be made very small, otherwise also affect aperture opening ratio.
Canadian IGNIS(Her lattice Nice)Company is special in the Chinese invention in Publication No. CN102714213A that it is applied
In profit application, it is proposed that a kind of new pixel architecture.Its adjacent pixel cell does mirror-image arrangement so that 4 R pictures
Element, 4 G sub-pixels are stitched together respectively, can be deposited using Slot modes, and B sub-pixels form line arrangement, can use Slit
Mode is deposited, and it is 2 times that such arrangement can increase evaporation Mask aperture, and it is difficult to reduce Mask techniques
Degree, improve and show physical resolution(PPI), but this arrangement to repeat display unit(4 R sub-pixel/4 G
The row B sub-pixels of pixel/two)Between spacing increase, it may appear that the bad display effect such as granular sensation and striped sense.
The content of the invention
The technical problem to be solved in the present invention is to provide one kind can effectively improve OLED display resolution ratio, and can reduce
Manufacturing cost, product yield is improved, and granular sensation and the striped sense of display picture can be improved, make the fine and smooth pixel of display effect
Structure, and the OLED using this dot structure.
In order to solve the above-mentioned technical problem, the invention provides a kind of dot structure, multiple pixel cells are included, each
Pixel cell forms rhombus by upper and lower two half-unit, is staggered between adjacent pixel cell;Each pixel cell bag
First area, second area and the 3rd region are included, wherein, the first area forms upper and lower the half of the pixel cell of rhombus
One of portion part, the second area and the 3rd region collectively form side by side the pixel cell of rhombus upper and lower half its
In another part;Each pixel cell includes multiple sub-pixels, and the multiple sub-pixel is correspondingly distributed in the pixel
In the first area of unit, second area and the 3rd region, the same color sub-pixels of adjacent pixel unit are disposed adjacent.
Further, the pixel cell includes the first sub-pixel, the second sub-pixel and the 3rd sub-pixel, first son
Pixel, the second sub-pixel and the 3rd sub-pixel are correspondingly formed in the first area of the pixel cell, second area and respectively
Three regions.
Further, first sub-pixel is in isosceles triangle, and second sub-pixel and the 3rd sub-pixel are in respectively
Right angled triangle, and second sub-pixel and the 3rd sub-pixel level are symmetrical arranged.
Further, the square of each inclined 45 degree of pixel cell, first sub-pixel, the second sub-pixel
It is in isosceles right triangle respectively with the 3rd sub-pixel, and second sub-pixel and the 3rd sub-pixel level are symmetrical arranged.
Further, first sub-pixel is blue subpixels, and the second sub-pixel and the 3rd sub-pixel are respectively red
Sub-pixel and green sub-pixels.
Further, the pixel cell includes the first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub- picture
Element, the first area of the pixel cell include Part I and Part II, the first sub-pixel of the pixel cell and
Four sub-pixels are respectively formed in the Part I and Part II of the first area, the second sub-pixel of the pixel cell and
3rd sub-pixel is correspondingly formed second area and the 3rd region in the pixel cell respectively.
Further, first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel difference rectangular three
It is angular, and first sub-pixel and the 4th sub-pixel level are symmetrical arranged, second sub-pixel and the 3rd sub-pixel level
It is symmetrical arranged.
Further, the square of each inclined 45 degree of pixel cell, first sub-pixel, the second sub- picture
Element, the 3rd sub-pixel and the 4th sub-pixel are in isosceles right triangle respectively, and first sub-pixel and the 4th sub-pixel water
Flat to be symmetrical arranged, second sub-pixel and the 3rd sub-pixel level are symmetrical arranged.
Further, first sub-pixel is blue subpixels, and the second sub-pixel is red sub-pixel, the 3rd sub-pixel
For green sub-pixels, the 4th sub-pixel is white sub-pixels.
Present invention also offers a kind of OLED for including above-mentioned dot structure.
For the present invention by setting the pixel cell of rhombus, each sub-pixel is correspondingly formed the in the pixel cell respectively
In one region, second area and the 3rd region, and the same color sub-pixels of adjacent pixel unit are disposed adjacent, i.e., by identical face
The sub-pixel of color merges, in this way, can increase the width in corresponding evaporation Mask apertures, reduces Mask technology difficulties, carries
Height shows PPI.Simultaneously as the staggered pattern of adjacent lines pixel cell, makes the second sub-pixel in the present invention, the 3rd sub- picture
Adjacent side between element and the first sub-pixel is longer, and main luminous relatively concentration, the light mixing effect of pixel cell are good.The present invention exists
While improving display resolution, granular sensation and the striped sense of display picture can also be improved, make display effect more fine and smooth.
Brief description of the drawings
Fig. 1 is the pixel arrangement schematic diagram of conventional organic luminescence display.
Fig. 2 is a kind of Mask opening schematic diagrames of corresponding diagram 1.
Fig. 3 is another Mask opening schematic diagrames of corresponding diagram 1.
Fig. 4 is the structural representation of the dot structure first embodiment of the present invention.
Fig. 5 is to make the Slit formulas Mash used during the dot structure of embodiment illustrated in fig. 1.
Fig. 6 is to make the Slot formulas Mash used during the dot structure of embodiment illustrated in fig. 1.
Fig. 7 is the structural representation of the dot structure second embodiment of the present invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
More fully understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 4, the dot structure for the present invention includes multiple pixel cells 400, each pixel cell 400 by
Upper and lower two half-unit forms rhombus, is staggered between the pixel cell 400 of adjacent lines;Each pixel cell 400 includes multiple
Region, wherein first area form one of upper and lower half of pixel cell 400 of rhombus, second area and the 3rd region
Side by side, the another of the upper and lower half of the pixel cell 400 of rhombus is collectively formed;Each pixel cell 400 includes more height pictures
Element, multiple sub-pixels of pixel cell 400 are correspondingly distributed in multiple regions of pixel cell 400, the pixel cell of adjacent lines
400 same color sub-pixels are disposed adjacent.
As shown in figure 4, the first embodiment of the dot structure for the present invention.In the present embodiment, pixel cell 400 includes
First sub-pixel 401, the second sub-pixel 402 and the 3rd sub-pixel 403, the first sub-pixel 401, the second sub-pixel 402 and the 3rd
Corresponding first area, second area and the 3rd region for being distributed in pixel cell 400 of sub-pixel 403, i.e. the first sub-pixel 401 divide
First area is distributed in, the second sub-pixel 402 is distributed in second area, and the 3rd sub-pixel 403 is distributed in the 3rd region.
Wherein, in odd-numbered line, the first sub-pixel 401 is in isosceles triangle, forms the top half of pixel cell 400,
Second sub-pixel 402 and the 3rd sub-pixel 403 distinguish rectangular triangle, positioned at the lower section of the first sub-pixel 401, the second sub- picture
Element 402 and the horizontal symmetrical of the 3rd sub-pixel 403 are set, and the second sub-pixel 402 is located at left side, and the 3rd sub-pixel 403 is located at right side.
In even number line, the first sub-pixel 401 is in isosceles triangle, forms the latter half of pixel cell 400, the second sub-pixel 402
Distinguish rectangular triangle with the 3rd sub-pixel 403, positioned at the top of the first sub-pixel 401, the second sub-pixel 402 and the 3rd son
The horizontal symmetrical of pixel 403 is set, and the 3rd sub-pixel 403 is located at left side, and the second sub-pixel 402 is located at right side.As a result, even number
The first capable sub-pixel 401 is adjacent with the first sub-pixel 401 of adjacent odd-numbered line, is steamed so as to share a Mask opening
Plating.First sub-pixel 401 of adjacent lines is monolithically fabricated strip, therefore Slit formulas Mask as shown in Figure 5 can be used to be deposited.
And the second sub-pixel 402 of odd-numbered line is adjacent with the second sub-pixel 402 of adjacent even number line, and the 3rd sub-pixel of odd-numbered line
403 is adjacent with the 3rd sub-pixel 403 of adjacent even number line, so that the second sub-pixel 402 of adjacent lines and the 3rd sub- picture
Element 403 can share a MASK opening evaporation respectively.The 403 overall structure of the second sub-pixel 402 and the 3rd sub-pixel of adjacent lines
Diamondwise, Slot formulas Mask as shown in Figure 6 can be used to be deposited.
Preferably, the square of each 400 inclined 45 degree of pixel cell.A special case of the square as rhombus, makes
It is more regular to obtain pixel cell structure of the invention, it is more regular.Correspondingly, the first sub-pixel 401, the and of the second sub-pixel 402
3rd sub-pixel 403 is in isosceles right triangle respectively, and the second sub-pixel 402 and the horizontal symmetrical of the 3rd sub-pixel 403 are set.
Based on such a structure, the second sub-pixel 402 of adjacent lines and the 3rd sub-pixel 403 are monolithically fabricated square, then Slot formulas Mask
Opening it is also square, so as to maximally utilise Mask opening, obtain the pixel knot of resolution ratio as big as possible
Structure.
In the above-described embodiments, the first sub-pixel 401 is blue subpixels, the second sub-pixel 402 and the 3rd sub-pixel 403
Respectively red sub-pixel and green sub-pixels.It can be seen that the area of blue subpixels is red sub-pixel or green sub-pixels face
Long-pending twice.Because the life-span of blue subpixels luminescent material is less than red sub-pixel or green sub-pixels in the prior art
Luminescent material, the area by increasing blue subpixels can be compensated caused by the life-span of blue subpixels luminescent material partially
Color.Certainly, the invention is not restricted to this, the sub-pixel relative position of each color as needed can be exchanged arbitrarily.It is in addition, of the invention
In the color of each sub-pixel be also not necessarily limited to blueness, red and green, can also be other colors as needed.
As the dot structure another embodiment of the present invention, it can increase by the 4th sub-pixel in pixel cell 400.
The area of the first sub-pixel 401 in embodiment illustrated in fig. 4 is reduced into half, and the region freed out is formed into the 4th son
Pixel.
As shown in fig. 7, the second embodiment of the dot structure for the present invention.In the present embodiment, pixel cell 700 includes
First sub-pixel 701, the second sub-pixel 702, the 3rd sub-pixel 703 and the 4th sub-pixel 704, the firstth area of pixel cell 700
Domain includes Part I and Part II, and the first sub-pixel 701 of pixel cell 700 and the 4th sub-pixel 704 are respectively formed in
The Part I and Part II of first area, the second sub-pixel 702 of pixel cell 700 and the 3rd sub-pixel 703 are right respectively
Second area and the 3rd region of pixel cell 700 should be formed at.
Wherein, distinguish rectangular triangle in odd-numbered line, the first sub-pixel 701 and the 4th sub-pixel 704, collectively form picture
The top half of plain unit 700, the first sub-pixel 701 and the horizontal symmetrical of the 4th sub-pixel 704 are set, the first sub-pixel 701
In left side, the 4th sub-pixel 704 is located at right side;Second sub-pixel 702 and the 3rd sub-pixel 703 distinguish rectangular triangle, point
Not Wei Yu the first sub-pixel 701 and the 4th sub-pixel 704 lower section, the second sub-pixel 702 and the horizontal symmetrical of the 3rd sub-pixel 703
Set, the second sub-pixel 702 is located at left side, and the 3rd sub-pixel 703 is located at right side.In even number line, the first sub-pixel 701 and the 4th
Sub-pixel 704 distinguishes rectangular triangle, collectively forms the latter half of pixel cell 700, the first sub-pixel 701 and the 4th son
The horizontal symmetrical of pixel 704 is set, and the first sub-pixel 701 is located at right side, and the 4th sub-pixel 704 is located at left side;Second sub-pixel 702
Distinguish rectangular triangle with the 3rd sub-pixel 703, respectively positioned at the top of the first sub-pixel 701 and the 4th sub-pixel 704,
Two sub-pixels 702 and the horizontal symmetrical of the 3rd sub-pixel 703 are set, and the 3rd sub-pixel 703 is located at left side, the second sub-pixel 702
In right side.Thus, the same color sub-pixels of adjacent lines are arranged together, so as to share a Mask opening evaporation.It is adjacent
Capable same color sub-pixels are monolithically fabricated rhombus, Slot formulas Mask as shown in Figure 6 can be used to be deposited.
Preferably, the square of each 700 inclined 45 degree of pixel cell, so that first sub-pixel 701, second
Sub-pixel 702, the 3rd sub-pixel 703 and the 4th sub-pixel 704 are in isosceles right triangle respectively, and first sub-pixel
701 and the horizontal symmetrical of the 4th sub-pixel 704 set, second sub-pixel 702 and the horizontal symmetrical of the 3rd sub-pixel 703 are set.
In the present embodiment, the first sub-pixel 701 is blue subpixels, and the second sub-pixel 702 is red sub-pixel, the 3rd
Sub-pixel 703 is green sub-pixels, and the 4th sub-pixel 704 is white sub-pixels.Embodiment adds white light pixel, so that
It is of the invention more accurate when showing white to obtain, and can improve the contrast of the display made of the dot structure of the present invention.
The present invention can increase the width in corresponding evaporation Mask apertures, drop by the way that identical sub-pixel is merged
Low Mask technology difficulties, improve and show PPI.Simultaneously as the staggered pattern of adjacent lines pixel cell 700, in of the invention
The adjacent side of G sub-pixel, R sub-pixels and B sub-pixels is longer, the main luminous relatively concentration of pixel cell 700, light mixing effect
It is good.
The dot structure of the present invention has larger improvement in terms of display granular sensation and striped, public by taking sprite as an example
The number of opening is in CN102714213A Chinese invention patent application, and the identical sub-pixel of four, picture of R sub-pixels and G sub-pixel is made
For a repetition display unit, the spacing with adjacent display cell is 1 pixel cell width, and B sub-pixels are shown in striped, phase
Adjacent fringe spacing is 1 pixel cell width.The present invention is in the case of equal area pixel cell, adjacent display repeat unit
Between be spaced about 0.7 pixel cell width, the repetition display unit in identical display area is more, repeats display unit
Dense degree can improve about 40%, it is clear that the granular sensation of display picture and striped sense can preferably be improved.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (9)
1. a kind of dot structure, include multiple pixel cells, it is characterised in that each pixel cell is by upper and lower two half-unit
Rhombus is formed, is staggered between adjacent pixel cell;Each pixel cell include first area, second area and
3rd region, wherein, one of upper and lower half of pixel cell of first area composition rhombus part, described second
Region and the 3rd region collectively form the another part of the upper and lower half of the pixel cell of rhombus wherein side by side;Each picture
Plain unit includes multiple sub-pixels, and the multiple sub-pixel is correspondingly distributed in the first area of the pixel cell, second area
And the 3rd in region, the same color sub-pixels of adjacent pixel unit are disposed adjacent;The pixel cell only includes the first sub- picture
Element, the second sub-pixel and the 3rd sub-pixel, first sub-pixel, the second sub-pixel and the 3rd sub-pixel be correspondingly formed respectively in
First area, second area and the 3rd region of the pixel cell.
2. dot structure according to claim 1, it is characterised in that first sub-pixel is in isosceles triangle, described
Second sub-pixel and the 3rd sub-pixel distinguish rectangular triangle, and second sub-pixel and the 3rd sub-pixel level are symmetrically set
Put.
3. dot structure according to claim 1, it is characterised in that the pros of each inclined 45 degree of pixel cell
Shape, first sub-pixel, the second sub-pixel and the 3rd sub-pixel are in isosceles right triangle respectively, and second sub-pixel
It is symmetrical arranged with the 3rd sub-pixel level.
4. according to the dot structure described in any one in claim 1-3, it is characterised in that first sub-pixel is blueness
Sub-pixel, the second sub-pixel and the 3rd sub-pixel are respectively red sub-pixel and green sub-pixels.
5. dot structure according to claim 1, it is characterised in that the pixel cell can also include the first sub- picture
Element, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel, the first area of the pixel cell include Part I and second
Part, the first sub-pixel of the pixel cell and the 4th sub-pixel are respectively formed in the Part I and of the first area
Two parts, the second sub-pixel and the 3rd sub-pixel of the pixel cell are correspondingly formed in the secondth area of the pixel cell respectively
Domain and the 3rd region.
6. dot structure according to claim 5, it is characterised in that first sub-pixel, the second sub-pixel, the 3rd son
Pixel and the 4th sub-pixel distinguish rectangular triangle, and first sub-pixel and the 4th sub-pixel level are symmetrical arranged, institute
State the second sub-pixel and the 3rd sub-pixel level is symmetrical arranged.
7. dot structure according to claim 5, it is characterised in that the pros of each inclined 45 degree of pixel cell
Shape, first sub-pixel, the second sub-pixel, the 3rd sub-pixel and the 4th sub-pixel are in isosceles right triangle respectively, and institute
State the first sub-pixel and the 4th sub-pixel level is symmetrical arranged, second sub-pixel and the 3rd sub-pixel level are symmetrical arranged.
8. according to the dot structure described in any one in claim 5-7, it is characterised in that first sub-pixel is blueness
Sub-pixel, the second sub-pixel are red sub-pixel, and the 3rd sub-pixel is green sub-pixels, and the 4th sub-pixel is white sub-pixels.
A kind of 9. OLED for including dot structure described in any one in claim 1-8.
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CN1929147A (en) * | 2006-09-25 | 2007-03-14 | 悠景科技股份有限公司 | Four-color full-color organic electroluminescence display device |
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CN202736924U (en) * | 2012-08-01 | 2013-02-13 | Tcl集团股份有限公司 | Pixel structure, display panel and display |
CN104037200A (en) * | 2013-12-31 | 2014-09-10 | 昆山国显光电有限公司 | Pixel structure and organic light emitting display with pixel structure |
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