CN105006479B - Display base plate and apply its display device - Google Patents
Display base plate and apply its display device Download PDFInfo
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- CN105006479B CN105006479B CN201410775078.0A CN201410775078A CN105006479B CN 105006479 B CN105006479 B CN 105006479B CN 201410775078 A CN201410775078 A CN 201410775078A CN 105006479 B CN105006479 B CN 105006479B
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Abstract
The present invention proposes a kind of display base plate and applies its display device.Display base plate includes a substrate and a display structure, and display structure setting is in substrate.Display structure includes multiple display units, these display units are arranged in an array and each display unit has a core space and a peripheral region, wherein core space includes at least one first sub-pixel and at least one second sub-pixel, peripheral region includes at least one the 3rd sub-pixel, and peripheral region is located at the outside of core space.
Description
Technical field
The invention relates to a kind of display base plate and its display device is applied, and in particular to one kind with good
The organic light-emitting diode display substrate of good display quality and apply its organic LED display device.
Background technology
Organic light emitting diode display (Organic Light Emission Diode, OLED) is thin, main with thickness
Dynamic the advantages that shining without backlight, no angle limit.It is organic with expectation of the consumer to the high display image quality of electronic product
The image analytic degree of light emitting diode indicator must be directed towards high-res pixel (High PPI；High Pixel per
Inch) develop.
Luminescent layer (Emission Layer) in organic LED panel is mostly using evaporation (Evaporating)
Mode makes, wherein, it can use precision metallic shade (Fine Metal in the luminescent layer evaporation processing procedure of Organic Light Emitting Diode
Mask), the light-emitting film of different colours is coated among pixel.Based on the limitation of evaporation processing procedure, if without suitable during design
Tolerance considers, it is likely that the luminous layer film that different colours occur is superimposed with each other, and makes Display panel irregular colour, not just
Often, or phenomena such as colour cast.Therefore, processing procedure tolerance is deposited for the resolution (resolution) of organic LED panel
Lifting is one of important obstacle.
The content of the invention
The invention relates to a kind of display base plate and apply its display device.In the display base plate of embodiment, display
The peripheral region formed in unit by the 3rd sub-pixel is around the core space formed by the first sub-pixel and the second pixel, and the 3rd is sub
The side of pixel is adjacent to the two sides of the first sub-pixel or the second sub-pixel, and it is non-etc. to can compensate for horizontal or vertical part between pixel
Display defect caused by spacing, and then improve the quality for showing image.
An embodiment according to the present invention, is to propose a kind of display base plate.Display base plate includes a substrate and a display
Structure, display structure setting is in substrate.Display structure includes multiple display units, these display units are to be arranged in an array
And each display unit has a core space and a peripheral region, wherein core space includes at least one first sub-pixel and at least one second
Sub-pixel, peripheral region includes at least one the 3rd sub-pixel, and peripheral region is located at the outside of core space.
An embodiment according to the present invention, proposes a kind of display device.Display device is covered including a display base plate and one
Lid substrate, covering substrate is with display base plate to group.Display base plate include a substrate and one display structure, display structure setting in
In substrate.Display structure includes multiple display units, these display units are to be arranged in an array and each display unit is with one
Core space and a peripheral region, wherein core space include at least one first sub-pixel and at least one second sub-pixel, and peripheral region includes
At least one the 3rd sub-pixel, and peripheral region is located at the outside of core space.
Brief description of the drawings
For the above objects, features and advantages of the present invention can be become apparent, the tool below in conjunction with attached drawing to the present invention
Body embodiment elaborates, wherein：
Figure 1A illustrates the schematic top plan view of the display unit in display device according to an embodiment of the invention.
Figure 1B illustrates the magnified partial view of Figure 1A.
Fig. 1 C illustrate the diagrammatic cross-section of Figure 1A.
Fig. 1 D~1I illustrate the schematic top plan view of the display unit in the display device of other embodiment according to the present invention.
Fig. 2 illustrates the schematic top plan view of the matrix of display elements of display structure according to another embodiment of the present invention.
Fig. 3 illustrates the schematic top plan view of the matrix of display elements of display structure according to yet another embodiment of the invention.
Fig. 4 A~4C illustrate the flow chart of the evaporation processing procedure according to the luminescent material of an embodiment.
Fig. 5~8 illustrate the schematic diagram of the metal cover according to an embodiment of the invention for being used to make display unit.
Component label instructions in figure：
1：Display device
10：Display base plate
20：Cover substrate
100：Substrate
110：Substrate
120：Switch element
130：Passivation layer
135：Through hole
200、300：Show structure
210：Luminescent layer
211：First sub-pixel
211E、215E、215E1、215E2：Tolerance region
211L、213L、215L、215L1、215L2：Light-emitting zone
211s1~211s4,213s1~213s2：Side
213、523p：Second sub-pixel
215、215-1、215-2、215-3、525p：3rd sub-pixel
217：4th sub-pixel
220：First electrode layer
230：The second electrode lay
240：Pixel defining layer
245：Opening portion
400：Protective layer
521：First luminescent material
523：Second luminescent material
525：3rd luminescent material
S、S1、S2、S3、S4、S5、S6：Display unit
C：Core space
P、P1、P2、P3、P4、P5、P6：Peripheral region
L1~L4：Opening length
U：Pixel
M1~M3, M5~M8：Metal cover
M10~M30, M50~M80：Opening
W1~W4：Opening width
Embodiment
According to an embodiment of the invention, in display base plate, the peripheral region formed in display unit by the 3rd sub-pixel is surround
The core space formed by the first sub-pixel and the second pixel, and the side of the 3rd sub-pixel is adjacent to the first sub-pixel or the second son
The two sides of pixel, can compensate for horizontal or vertical part between pixel it is non-equidistantly caused by display defect, and then improve and show shadow
The quality of picture.The embodiment of the present invention is described in detail referring to institute's accompanying drawings.Identical label is to indicate phase in attached drawing
Same or similar part.It is noted that attached drawing is the simplified content for clearly illustrating embodiment with profit, what embodiment was proposed
Thin portion structure is used by way of example only, and not the scope to be protected of the present invention is limited.Those skilled in the art are when can be according to
Factually border embodiment aspect needs these structures are modified or changed.
Figure 1A illustrates the vertical view of the display unit S in display base plate in display device 1 according to an embodiment of the invention
Schematic diagram, Figure 1B illustrate subregional amplification display figure, Fig. 1 C in the middle part of Figure 1A and illustrate indivedual sub-pixels of Figure 1A display units S
(Sub Pixel) diagrammatic cross-section.As shown in Figure 1 C, display device 1 includes a display base plate 10 and a covering substrate 20, covers
For lid substrate 20 with display base plate 10 to group one display module of formation, this display module is display device a portion.Display dress
The drive module (not illustrating) for including power supply supply, signal generation, signal transmission etc. can also be had the function of by putting 1, have optics
The optics supplementary module of modulation function, or the touch-control module with touching detection function.
As shown in figs. 1 a to 1 c, display base plate 10 includes the display structure 200 of a substrate (base plate) 100 and one,
Display structure 200 is arranged in substrate 100.Wherein, substrate 100 includes substrate, and thin film transistor (TFT), capacitance, electrode or biography
Shu Xiandeng circuit component layouts, display structure 200 are driven by substrate 100 and provide signal.Display structure 200 includes multiple displays
Unit (display unit) S, display unit S is to be arranged in an array, and each display unit S includes a core space (Core
Region) C and a peripheral region (Peripheral Region) P, peripheral region P is located at the outside of core space C, such as peripheral region P can
Around encirclement core space C.Core space C includes a pair of first sub-pixel 211 and a pair of second sub-pixel 213, the first sub-pixel 211
And second sub-pixel 213 be staggered, and setting diagonally to each other between the first sub-pixel 211, between the second sub-pixel 213 each other
Diagonal to set, the arrangement of subpixels of integral core area C is a chessboard trellis (Damier Shape).Peripheral region P includes at least one
A 3rd sub-pixel 215,215 numbers of the 3rd sub-pixel positioned at peripheral region P are 8 in this embodiment, in other embodiment
215 numbers of the 3rd sub-pixel of middle peripheral region P also can be 1,2 or 4, and the number of the 3rd sub-pixel 215 is with that can drive individually
The number of regions of dynamic operation is identical.A side of 3rd sub-pixel 215 can be adjacent to the first sub-pixel 211 or the second sub-pixel
213 side, in this embodiment, a side of the 3rd sub-pixel 215 only abuts 211 or the second sub- picture of the first sub-pixel respectively
The a side of one of them of element 213.The shape of each sub-pixel can be rectangle, circle or other polygons.
As shown in Figure 1B, first sub-pixel 211 and two the 3rd sub-pixels 215 form a pixel (Pixel) U, together
Sample second sub-pixel 213 and two the 3rd sub-pixels 215 can also form a pixel U, four pixel U can form a display
Cell S, the resolution (resolution) of this display device 1 are equal to the number of these pixels U.In embodiment, two the 3rd sons
The L shape appearance that pixel 215 is formed has vertical component and horizontal component, its horizontal component is inserted into the first sub-pixel 211
And second space that is distributed of sub-pixel 213, the horizontal otherness with vertical interval will be can compensate for, and lift image display quality.
It refer to Fig. 1 C, in embodiment, substrate 100 may include a substrate 110 and a switch element 120, or other transmission
Circuit trace, active/passive element set.Substrate 110 can be with materials such as glass, plastic cement, metals.Switch element 120 can be
Thin film transistor (TFT), to control the switch of each pixel with display picture, its structure can be top gate type (Top Gate), bottom gate
Pole formula (Bottom Gate), bigrid formula (Dual Gate) or copline formula (Coplanar), its active layer can be amorphous
Silicon (Amorphous Silicon), low temperature polycrystalline silicon (Low Temperature Poly Silicon) or oxide semiconductor
(Metal Oxide Semiconductor).100 surface of substrate covers one layer of passivation layer (Passivation Layer), and has
Multiple through holes (Via) 135 correspond to one of source electrode or drain electrode of exposed switch element 120, to be used as signal transmission.
In embodiment, the luminescent layer 210 of the first sub-pixel 211, the second sub-pixel 213 and the 3rd sub-pixel 215 has not
Same light primary colors (Primary Color).For example, the first sub-pixel 211 is, for example, red R, and the second sub-pixel 213 is for example
It is blue B, the 3rd sub-pixel 215 is, for example, green G.However, the first sub-pixel 211, the second sub-pixel 213 and the 3rd sub-pixel
215 210 color of luminescent layer can also do appropriate selection depending on actual needs, be not limited with above-mentioned arrangement.In embodiment, the
The luminescent layer 210 of one sub-pixel 211, the second sub-pixel 213 and the 3rd sub-pixel 215 be, for example, with luminous organic material make and
Into.
As shown in Figure 1 C, show that structure 200 (300) includes first electrode layer 220, pixel defining layer (Pixel Define
Layer) 240, luminescent layer (Emission Layer) 210, the second electrode lay 230.First electrode layer 220 and the second electrode lay
230 sandwiched luminescent layers 210 form a light emitting diode sandwich structure.First electrode layer 220 is formed in substrate 100, and thoroughly
Cross through hole 135 to be electrically connected with switch element, anode (anode) can be used as, its material can be metal, alloy or metal oxidation
Thing conductor, and the structure formed with single or multiple lift, such as ITO/Ag/ITO.Pixel defining layer 240 is in 220 shape of first electrode layer
It is arranged on, and is corresponded to opening portion 245 and expose portion first electrode layer 220,245 area of opening portion are less than the after
One electrode layer, 220 area.Luminescent layer 210 is, for example, luminous organic material, its area coverage is less than or equal to each sub-pixel scope,
And it is more than 220 area of opening portion 245 or first electrode layer, 210 actual light-emitting area of luminescent layer is equal to 245 area of opening portion.
The second electrode lay 230 is located on luminescent layer 210, its material can be metal, alloy or conductor metal oxide, and with individual layer or
The structure that multilayer is formed, such as Mg:Ag alloys, can be used as cathode (cathode).Display base plate 10 can further include a protective layer
(Capping Layer) 400, the covering of protective layer 400 show structure 200.
As shown in Figure 1B, each sub-pixel 211,213,215 has actual light-emitting zone, and it is big to define the light-emitting zone area
245 area of opening portion of the small pixel defining layer 240 for each sub-pixel, each 245 area of opening portion are each light-emitting zone tool
There are corresponding light-emitting area 211L, 213L, 215L.By taking the pixel U that the first sub-pixel 211 and the 3rd sub-pixel 215 are formed as an example,
Luminescent layer 210 is in a manner of being deposited, and based on the limitation of evaporation processing procedure, the real area of luminescent layer 210 can occupy less than sub-pixel
Area.That is, due to the aligning accuracy of evaporation board in evaporation processing procedure and the opening accuracy and positioning of metal cover
Precision may error, in the area shared by sub-pixel, it is based on being reserved because above-mentioned processing procedure limits to have part
Tolerance region, this is that the luminescent material of the sub-pixel in order to avoid different colours occurs improperly to mix in processing procedure, and is caused
Improperly colour mixture is so that illumination effect can be seriously affected.For example, in pixel U, the first sub-pixel 211 has light-emitting zone
211L and tolerance region 211E, the 3rd sub-pixel 215 of L-shaped have light-emitting zone 215L and tolerance region 215E, light-emitting zone
215L is the summation of light-emitting zone 215L1 and light-emitting zone 215L2, and tolerance region 215E is tolerance region 215E1 and tolerance area
The summation of domain 215E2.Due to the difference of processing procedure, the area ratio of tolerance region and light-emitting zone may be different.
In the present embodiment, exemplified by processing procedure is deposited, when two adjacent sub-pixels have identical glow color, adjoiner
Tolerance widths or error lengths be about 5 microns (μm)；It is adjacent when two adjacent sub-pixels have different glow colors
The tolerance widths or error lengths at place are about 12 microns；The minimum dimension of the permitted opening of processing procedure is about 6 microns.In other words
Say, can be with less error distance between the sub-pixel with identical glow color, and there is the sub- picture of different glow colors
Possessed error distance is larger between element.Therefore, according to an embodiment of the invention, each display unit S be each other with
3rd sub-pixel 215 of identical glow color abuts, and the error distance that can be reduced between sub-pixel (is, for example, to be down to by 12 microns
5 microns) while possess the sub-pixel of adjacent domain colour mixture does not occur and reduces the effect of the size of display unit S or pixel U,
And then realize the product design of high-res (High PPI).
As shown in Figure 1B, the opening width W1 and Opening length L1 of light-emitting zone are about 6 microns, tolerance widths W2 and mistake
Poor length L2 is about 12 microns, and tolerance widths W3 and error lengths L3 are about 5 microns, and the opening of light-emitting zone 215L1 is wide
It is about 13 microns to spend W4, and the Opening length L4 of light-emitting zone 215L2 is about 43 microns.Especially, since neighbouring display is single
The 3rd sub-pixel 215 of first S is adjacent to each other, and tolerance widths W3 and error lengths L3 are just not required to be designed as 12 microns, and can drop
As low as 5 microns, so as to efficiently reduce the error distance between display unit S, and then reduce the size of pixel U.Accordingly, pixel
The size of U is 53 microns, and the unit of account using pixel U as resolution (Resolution), can obtain every English inch pixel
(actual PPI) is 369.With special algorithm, by way of adjacent pixel U shares sub-pixel, reach with harmonic analysis
The effect of degree simulation high-res so that the virtual of pixel U can reach 479 per English inch pixel (virtual PPI).First son
The light-emitting zone 211L of pixel 211 accounts for the gross area 2.6% (openings of sizes), and the light-emitting zone 215L of the 3rd sub-pixel 215 is accounted for always
Area 23.9% (openings of sizes).In other words, defining the light-emitting zone of the first sub-pixel has the first light-emitting area, and the 3rd is sub
The light-emitting zone of pixel has the 3rd light-emitting area, then in the present embodiment, the first light-emitting area is relative to the 3rd light-emitting area
Ratio is about 2.6%:23.9%, it is similar to 1:10.
In the present embodiment, when the size of pixel U as shown in Figure 1B is 93 microns, and when it per English inch pixel is 273,
It can obtain after being computed, to have every English inch pixel be 273, Pixel Dimensions are 93 microns and match somebody with somebody with strip RGB compared to same
The dot structure put, the dot structure of strip RGB configurations only has 10.6% aperture opening ratio, and the present embodiment is as shown in Figure 1B
Pixel U in, the first sub-pixel 211 and the second sub-pixel 213 have 48.93% aperture opening ratio, and the 3rd sub-pixel 215 has
18.87% aperture opening ratio, is all higher than the aperture opening ratio of the dot structure of traditional strip RGB configurations.
Similarly, in the present embodiment, the light-emitting zone 213L of the second sub-pixel 213 accounts for the ratio of the gross area about with first
The light-emitting zone 211L of sub-pixel 211 accounts for the ratio of the gross area, therefore the light-emitting zone for defining the second sub-pixel has the second hair
Light area, then in the present embodiment, the second light-emitting area is about 2.6% relative to the ratio of the 3rd light-emitting area:23.9%, closely
It is similar to 1:10.
In another embodiment, the opening width W1 and Opening length L1 that make light-emitting zone are about 6 microns, tolerance widths W2
It it is about 12 microns with error lengths L2, tolerance widths W3 and error lengths L3 are about 6 microns, and light-emitting zone 215L1's opens
Mouth width degree W4 is about 12 microns, and the Opening length L4 of light-emitting zone 215L2 is about 36 microns.Accordingly, the size of pixel U is
60 microns, using pixel U as the unit of account of resolution, every English inch pixel (actual PPI) is can obtain as 320.With special
Algorithm, by way of adjacent pixel U shares sub-pixel, the virtual of pixel U can be with per English inch pixel (virtual PPI)
Reach 416.The light-emitting zone 211L of first sub-pixel 211 accounts for the gross area 10.53% (openings of sizes), the 3rd sub-pixel 215
Light-emitting zone 215L accounts for the gross area 23.22% (openings of sizes).In other words, the light-emitting zone for defining the first sub-pixel has first
Light-emitting area, and the light-emitting zone of the 3rd sub-pixel has the 3rd light-emitting area, then in the present embodiment, the first light-emitting area is opposite
In the ratio of the 3rd light-emitting area be about 10.53%:23.22%, it is similar to 1:2.
Similarly, in the present embodiment, the light-emitting zone 213L of the second sub-pixel 213 accounts for the ratio of the gross area about with first
The light-emitting zone 211L of sub-pixel 211 accounts for the ratio of the gross area, therefore the light-emitting zone for defining the second sub-pixel has the second hair
Light area, then in the present embodiment, the second light-emitting area is about 10.53% relative to the ratio of the 3rd light-emitting area:
23.22%, it is similar to 1:2.
In conclusion according to an embodiment of the invention, the first light-emitting area relative to the 3rd light-emitting area ratio about
For 1:2~1:10, the second light-emitting area is about 1 relative to the ratio of the 3rd light-emitting area:2~1:10.
Fig. 1 D~1I illustrate the schematic top plan view of the display unit in the display device of other embodiment according to the present invention.This
The element identical with previous embodiment is to continue to use same element numbers in embodiment, and the related description of similar elements refer to
Foregoing, details are not described herein.
As shown in figure iD, in the present embodiment, the peripheral region P1 of display unit S1, which is surround, surrounds core space C, peripheral region P1's
The number of 3rd sub-pixel 215-1 is 1.As referring to figure 1E, in the present embodiment, the peripheral region P2 of display unit S2 is around encirclement
The number of the 3rd sub-pixel 215-2 of core space C, peripheral region P2 are 4.As shown in fig. 1F, in the present embodiment, display unit S3
Peripheral region P3 around core space C is surrounded, the number of the 3rd sub-pixel 215-3 of peripheral region P3 is 4, and the 3rd sub-pixel
The shape of 215-3 is simultaneously non-rectangle.
As shown in Figure 1 G, in the present embodiment, in display unit S4, core space C includes multiple first sub-pixels 211, multiple
Second sub-pixel 213 and multiple 4th sub-pixels 217, these the first sub-pixels 211 and these 213 staggered rows of the second sub-pixel
Row, these the 4th sub-pixels 217 are respectively positioned at one of these first sub-pixels 211 and these the second sub-pixels 213
Between one of them.Peripheral region P4 includes multiple 3rd sub-pixels 215, and the 4th sub-pixel 217 and the 3rd sub-pixel 215 send tool
There is the light of identical light primary colors.For example, as shown in Figure 1 G, a display unit S4 altogether include two the first sub-pixels 211,
The peripheral region of two the second sub-pixels, 213, four the 3rd sub-pixels 215 and two the 4th sub-pixels 217, wherein display unit S4
The 3rd sub-pixel 215 of P4 is arranged at three sides of core space C, and the 4th sub-pixel 217 in core space C is to arrange adjacent to each other
Row.In embodiment, as shown in Figure 1 G, display unit S4 is repeated according to matrix kenel (Array) and is regularly arranged in substrate 100
On.
As shown in fig. 1H, in the present embodiment, in display unit S5, core space C includes multiple first sub-pixels 211, multiple
Second sub-pixel 213 and multiple 4th sub-pixels 217, these the first sub-pixels 211 and these 213 staggered rows of the second sub-pixel
Row, these the 4th sub-pixels 217 are respectively positioned at one of these first sub-pixels 211 and these the second sub-pixels 213
Between one of them.Peripheral region P5 includes multiple 3rd sub-pixels 215, and the 4th sub-pixel 217 and the 3rd sub-pixel 215 send tool
There is the light of identical light primary colors.In display unit S5, as shown in fig. 1H, the 3rd sub-pixel of the peripheral region P5 of display unit S5
215 are arranged at the two opposite sides side of core space C, in a display unit S5, be in one of two opposite sides side side according to
Sequence arranges the 4th sub-pixel 217, first sub-pixels, 211, second sub-pixels 213 and the 4th sub-pixel
217, two opposite sides while other side while be sequential one the first sub-pixel, 211, the 4th sub-pixels 217, one
A 4th sub-pixel 217 and second sub-pixel 213.As shown in fig. 1H, display unit S5 is repeated according to matrix kenel (Array)
And it is regularly arranged in substrate 100.
As shown in Figure 1 I, in the present embodiment, in a display unit S6, core space C include multiple first sub-pixels 211,
Multiple second sub-pixels 213 and multiple 4th sub-pixels 217, these first sub-pixels 211 interlock with these second sub-pixels 213
Arrangement, these the 4th sub-pixels 217 are respectively positioned at one of these first sub-pixels 211 and these second sub-pixels 213
One of between.Peripheral region P6 includes multiple 3rd sub-pixels 215, and the 4th sub-pixel 217 is sent with the 3rd sub-pixel 215
Light with identical light primary colors.In one display unit S6, as shown in Figure 1 I, the 3rd son of the peripheral region P6 of display unit S6
Pixel 215 is arranged at the two opposite sides side of core space C, in a display unit S6, in one of two opposite sides side side
It is 211, second sub-pixels 213 of the first sub-pixel of the 4th sub-pixel 217, one of sequential one and a 4th sub- picture
Element 217, two opposite sides while other side while be one the first sub-pixel of sequential, 211, the 4th sub-pixels 217,
One the 4th sub-pixel 217 and second sub-pixel 213.As shown in Figure 1 I, display unit S6 is according to matrix kenel (Array) weight
Again and it is regularly arranged in substrate 100, in the array that these display units S6 is arranged in, two displays of two adjacent columns are single
First S6 is symmetrical.
Embodiment is described further below.It is to list the display device with display unit S, S4, S5 and S6 below
Aperture opening ratio result of calculation, with illustrate application the present invention display base plate and display device characteristic.But following implementation
Example is only to illustrate to be used, and is not necessarily to be construed as the limitation that the present invention is implemented.
Table 1 is listed to be 350 and with Pixel Dimensions as 72.5 microns * 72.5 microns with every English inch pixel (PPI)
Result of calculation exemplified by display device, wherein the first sub-pixel 211 is identical with the aperture opening ratio of the second sub-pixel 213.
Table 1
Fig. 2 illustrates the schematic top plan view of the display unit s-matrix of the display structure 200 according to the present embodiment.The present embodiment
In, display structure 200 may include that multiple pixel U, display unit S are repeated according to matrix kenel (Array) and be regularly arranged in base
On bottom 100.As shown in Fig. 2, display unit S is abutted with the 3rd sub-pixel 215 each other.
Fig. 3 illustrates the schematic top plan view of display structure 300 according to yet another embodiment of the invention.In the present embodiment with it is foregoing
The identical element of embodiment is to continue to use same element numbers, and the related description of similar elements refer to it is foregoing, herein no longer
Repeat.
In embodiment, display structure 300 is arranged in substrate 100, and display structure 300 includes an at least display unit S.Such as
Shown in Fig. 3, display structure 300 may include that multiple display unit S, display unit S are repeated and be regularly arranged in substrate 100.
Show in structure 300, each display unit S is abutted with the 3rd sub-pixel 215 each other.One display unit S is for example including two
A first sub-pixel, 211, two the second sub-pixels 213 and four the 3rd sub-pixels 215, wherein the first sub-pixel 211 and second
Sub-pixel 213 is located at core space C, and the 3rd sub-pixel 215 is located at peripheral region.
In the present embodiment, the first sub-pixel 211 is adjacent to each other and the second sub-pixel 213 is adjacent to each other.As shown in figure 3, position
One is adjacent to respectively with two adjacent side 211s3 and 211s4 in the first sub-pixel 211 of 310 upper left of dot structure
A second sub-pixel 213 and first sub-pixel 211.
As shown in Figure 1 C, it can be glass substrate or plastic substrate to cover substrate 20.In embodiment, covering substrate 20 can be with
Including multiple colored filters, spacer (Spacer), electrode or touch control unit circuit.Colored filter can be used to strengthen shining
The glow color quality of each sub-pixel with different glow colors of unit.In other embodiment, display base plate 200 with
20 position of covering substrate is interchangeable, and each sub-pixel of display unit S can also be substituted assorted luminescent layer defined by colored filter
The region area of sub-pixel.
Fig. 4 A~4C are refer to, it illustrates the flow chart of the evaporation processing procedure according to the emitting layer material of an embodiment.Below
It is exemplified by multiple sub-pixels with three kinds of glow colors are deposited.As shown in Figure 4 A, there is provided a metal cover M1, metal cover
There is M1 multiple opening M10, opening M10 to correspond to the predetermined position that form the first sub-pixel 521p.When being deposited, first
Luminescent material 521 is plated on a predetermined region by opening M10, these regions defined by pixel defining layer 240 and each other
Separate.Then, as shown in Figure 4 B, there is provided there is multiple opening M20, opening M20 to correspond to by another metal cover M2, metal cover M2
In the predetermined position that form the second sub-pixel 523p.When being deposited, the second luminescent material 523 is plated in by opening M20
On predetermined region.Finally, as shown in Figure 4 C, there is provided another metal cover M3, metal cover M3 have multiple opening M30, open
Mouth M30 corresponds to the predetermined position that form the 3rd sub-pixel 525p.When being deposited, the 3rd luminescent material 525 passes through opening
M20 and plate on a predetermined region.
According to an embodiment of the invention, suitable metal cover can be used to produce display unit S via evaporation processing procedure.
Fig. 5~8 illustrate the schematic diagram of the metal cover according to an embodiment of the invention for being used to make display unit S.
When making the display unit S of embodiment, the metal cover as shown in Fig. 5~7 can be used to be deposited.Citing
For, there is metal cover M5 as shown in Figure 5 multiple opening M50, metal cover M6 as shown in Figure 6 to have multiple openings
M60, metal cover M7 as shown in Figure 7 have multiple opening M70.4 evaporations are carried out using mobile metal cover M5 and are made
Go out two the first sub-pixels 211 and two the second sub-pixels 213, using metal cover M6 be deposited for 1 time and produce L-shaped the
The vertical component of three sub-pixels 215, and carry out 1 time being deposited using metal cover M7 and produce the 3rd sub-pixel 215 of L-shaped
Horizontal component.In embodiment, the size of an opening is equal to the actual light-emitting zone of sub-pixel and the summation of tolerance region,
Therefore the opening size of metal cover can determine the size of sub-pixel, and then determine size and the influence of display unit S and pixel U
The resolution of display device 1.
Especially, as shown in figs. 6-7, the opening M60/M70 of metal cover M6/M7 can make different display unit S at the same time
In have identical glow color sub-pixel 215, and then need not improve evaporation processing procedure accuracy condition in the case of, can subtract
Error distance between few display unit S, and the tolerance on processing procedure is effectively reduced, reduce tolerance region, improve proximity
Colour mixture occurs for the sub-pixel in domain, luminescent material can not be completely covered the problem of being open corresponding region, and then realize high-res
The product design of (High PPI).
Similarly, metal cover M8 as shown in Figure 8 has multiple opening M80.Due to two first in display unit S
Sub-pixel 211 is adjacent to each other, two the second sub-pixels 213 are adjacent to each other, therefore is only carried out 2 times using mobile metal cover M8
It is deposited and produces two the first sub-pixels 211 and two the second sub-pixels 213, using 1 evaporation of metal cover M6 progress
The vertical component of the 3rd sub-pixel 215 of L-shaped is produced, and carries out 1 time being deposited using metal cover M7 and produces L-shaped the 3rd
The horizontal component of sub-pixel 215.In other words, in display unit S, two 211 adjacent to each other, two the second sub- pictures of the first sub-pixel
Element 213 is adjacent to each other, and the arrangement mode of this sub-pixel can effectively simplify it and processing procedure is deposited.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, any this area skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and it is perfect, therefore the present invention protection model
Enclose to work as and be subject to what claims were defined.
Claims (19)
1. a kind of display base plate, including：
One substrate；And
One display structure, is arranged in the substrate, which includes：
Multiple display units, the plurality of display unit is arranged in an array and respectively the display unit has a core space and a periphery
Area, the wherein core space include at least one first sub-pixel and at least one second sub-pixel, which includes at least one the 3rd
Sub-pixel, and the peripheral region is located at the outside of the core space, and the peripheral region is adjacent to the two neighboring side of the core space.
2. display base plate as claimed in claim 1, it is characterised in that the core space includes a pair of first sub-pixel and a pair
Second sub-pixel, wherein the plurality of first sub-pixel and the plurality of second sub-pixel are staggered, the plurality of first sub-pixel
Setting diagonally to each other, the plurality of second sub-pixel setting diagonally to each other.
3. display base plate as claimed in claim 1, it is characterised in that the side of the 3rd sub-pixel abuts first sub-pixel
Or the side of second sub-pixel.
4. display base plate as claimed in claim 3, it is characterised in that the peripheral region includes multiple 3rd sub-pixels, this is more
The side of a 3rd sub-pixel abuts the side of one of the plurality of first sub-pixel or the plurality of second sub-pixel respectively.
5. display base plate as claimed in claim 1, it is characterised in that respectively respectively first sub-pixel of the display unit, this
Two sub-pixels and the 3rd sub-pixel include：
One first electrode layer, the neighbouring substrate；
One pixel defining layer, in the first electrode layer and has an opening portion；
One the second electrode lay, in the pixel defining layer；And
One luminescent layer, between the first electrode layer and the second electrode lay；
Wherein, which is more than the opening portion, and the first electrode layer area is more than the opening portion.
6. display base plate as claimed in claim 5, it is characterised in that the opening portion area definition respectively first sub-pixel,
One light-emitting area of second sub-pixel and the 3rd sub-pixel, the core space include multiple first sub-pixels and it is multiple this
Two sub-pixels, the peripheral region include multiple 3rd sub-pixels, and the plurality of first sub-pixel has one first light-emitting area, this is more
A second sub-pixel has one second light-emitting area, and the plurality of 3rd sub-pixel has one the 3rd light-emitting area, this first shine
Area or second light-emitting area are about 1 relative to the ratio of the 3rd light-emitting area:2~1:10.
7. display base plate as claimed in claim 1, it is characterised in that in the respectively display unit, which includes multiple
First sub-pixel, multiple second sub-pixels and multiple 4th sub-pixels, the plurality of first sub-pixel and the plurality of second son
Pixel is staggered, and the plurality of 4th sub-pixel is respectively positioned at one of the plurality of first sub-pixel and the plurality of second son
Between one of pixel, and the peripheral region includes multiple 3rd sub-pixels.
8. display base plate as claimed in claim 7, it is characterised in that the plurality of 4th sub-pixel and the plurality of 3rd sub-pixel
Send the light with identical light primary colors.
9. display base plate as claimed in claim 8, it is characterised in that the plurality of 3rd sub-pixel of the peripheral region is arranged at this
Three sides of core space, the plurality of 4th sub-pixel in the core space is arranged adjacent one another.
10. display base plate as claimed in claim 8, it is characterised in that respectively in the display unit, the plurality of the of the peripheral region
Three sub-pixels are arranged at the two opposite sides side of the core space, and a side therein on the two opposite sides side is sequential one
4th sub-pixel, first sub-pixel, second sub-pixel and the 4th sub-pixel, in the two opposite sides
While other side while be sequential one first sub-pixel, the 4th sub-pixel, the 4th sub-pixel and
One second sub-pixel.
11. display base plate as claimed in claim 10, it is characterised in that in the array that the plurality of display unit is arranged in
In, two of the two adjacent columns display units are symmetrical.
12. a kind of display device, including：
One covering substrate；And
One display base plate, forms group the display device, which includes with the covering substrate：
One substrate；And
One display structure, is arranged in the substrate, which includes multiple display units, and the plurality of display unit is arranged in
An array and the respectively display unit have a core space and a peripheral region, wherein the core space include at least one first sub-pixel and
At least one second sub-pixel, the peripheral region include at least one the 3rd sub-pixel, and the peripheral region is located at the outside of the core space,
And the peripheral region is adjacent to the two neighboring side of the core space.
13. display device as claimed in claim 12, it is characterised in that the core space of display base plate include it is a pair of this first
Sub-pixel and a pair of second sub-pixel, wherein the plurality of first sub-pixel and the plurality of second sub-pixel are staggered, this is more
A first sub-pixel setting diagonally to each other, the plurality of second sub-pixel setting diagonally to each other.
14. display device as claimed in claim 12, it is characterised in that the side adjoining of the 3rd sub-pixel of display base plate
The side of first sub-pixel or second sub-pixel.
15. display device as claimed in claim 14, it is characterised in that the peripheral region of display base plate includes multiple three
Sub-pixel, the side of the plurality of 3rd sub-pixel abut respectively the plurality of first sub-pixel or the plurality of second sub-pixel wherein it
One side.
16. display device as claimed in claim 12, it is characterised in that in the respectively display unit, which includes more
A first sub-pixel, multiple second sub-pixels and multiple 4th sub-pixels, the plurality of first sub-pixel and the plurality of second
Sub-pixel is staggered, and the plurality of 4th sub-pixel is respectively positioned at one of the plurality of first sub-pixel and the plurality of second
Between one of sub-pixel, and the peripheral region includes multiple 3rd sub-pixels, the plurality of 4th sub-pixel with it is the plurality of
3rd sub-pixel is sent with identical light primary colors light.
17. display device as claimed in claim 16, it is characterised in that the plurality of 3rd sub-pixel of the peripheral region is arranged at
Three sides of the core space, the plurality of 4th sub-pixel in the core space is arranged adjacent one another.
18. display device as claimed in claim 16, it is characterised in that respectively in the display unit, the peripheral region it is the plurality of
3rd sub-pixel is arranged at the two opposite sides side of the core space, the core space include multiple first sub-pixels and it is multiple this second
Sub-pixel, is one the 4th sub-pixel of sequential, the first sub- picture in one of two opposite sides side side
Element, second sub-pixel and the 4th sub-pixel, the two opposite sides while other side while be sequential one
A first sub-pixel, the 4th sub-pixel, the 4th sub-pixel and second sub-pixel.
19. display device as claimed in claim 12, it is characterised in that in the array that the plurality of display unit is arranged in
In, two of the two adjacent columns display units are symmetrical.
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| CN201410775078.0A CN105006479B (en) | 2014-04-23 | 2014-12-15 | Display base plate and apply its display device |
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| CN201410165330 | 2014-04-23 | ||
| CN2014101653306 | 2014-04-23 | ||
| CN201410775078.0A CN105006479B (en) | 2014-04-23 | 2014-12-15 | Display base plate and apply its display device |
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| TWI623098B (en) * | 2017-04-21 | 2018-05-01 | 友達光電股份有限公司 | Pixel structure |
| CN110211996B (en) * | 2019-05-29 | 2021-04-20 | 江苏集萃有机光电技术研究所有限公司 | Pixel structure, display panel and display device |
| CN110164325B (en) * | 2019-05-29 | 2021-04-20 | 江苏集萃有机光电技术研究所有限公司 | Pixel structure, display panel and display device |
| US20220238609A1 (en) * | 2019-05-29 | 2022-07-28 | Jitri Institute Of Organic Optoelectronics Co., Ltd. | Pixel structure, display panel, and display device |
| CN110310573B (en) * | 2019-06-27 | 2021-07-23 | 云谷（固安）科技有限公司 | Display panel |
| CN110518051B (en) * | 2019-08-30 | 2022-09-09 | 武汉天马微电子有限公司 | Organic electroluminescent display panel and display device |
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| CN103337503A (en) * | 2013-05-30 | 2013-10-02 | 深圳典邦科技有限公司 | Integrated OLED image transceiver device and pixel arrangement structure thereof |
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| EP1314149B1 (en) * | 2000-07-28 | 2014-05-21 | Samsung Display Co., Ltd. | Arrangement of color pixels for full color imaging devices with simplified addressing |
| KR100947453B1 (en) * | 2008-06-18 | 2010-03-11 | 삼성모바일디스플레이주식회사 | Pixel structure of Organic Light Emitting Display |
| KR101958434B1 (en) * | 2011-09-05 | 2019-03-15 | 삼성디스플레이 주식회사 | Organic light emitting diode display |
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