CN207082555U - Display base plate and display panel - Google Patents
Display base plate and display panel Download PDFInfo
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- CN207082555U CN207082555U CN201721083276.6U CN201721083276U CN207082555U CN 207082555 U CN207082555 U CN 207082555U CN 201721083276 U CN201721083276 U CN 201721083276U CN 207082555 U CN207082555 U CN 207082555U
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- underlay substrate
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- support column
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Abstract
The utility model discloses a kind of display base plate and display panel, belong to display technology field.The display base plate includes：The supporting layer being arranged on underlay substrate, the supporting layer include：Spaced multiple support columns；Side of the supporting layer away from the underlay substrate is provided with auxiliary cathode layer, and the auxiliary cathode layer contacts with each bottom surface of the support column away from underlay substrate side；Orthographic projection and the multiple support column orthographic projection on the underlay substrate of the auxiliary cathode layer on the underlay substrate limits the pixel region of multiple array arrangements.The utility model ensure that and can effectively be connected between auxiliary cathode and negative electrode.The utility model is used for display image.
Description
Technical field
Display technology field is the utility model is related to, more particularly to a kind of display base plate and display panel.
Background technology
Organic Light Emitting Diode (English：Organic Light-emitting Diode；Abbreviation：OLED) display panel can
With including：Top-emitting OLED display panel and bottom emitting type OLED display panel, wherein, OLED display panel generally comprises aobvious
Show backboard, and buckle the display base plate on display backboard, and show and indium zinc oxide (English is provided with backboard：Indium
zinc oxide；Abbreviation：IZO negative electrode made of), the light of the top-emitting OLED display panel are emitted from negative electrode side, thus
Negative electrode needs have relatively low resistance and higher transmitance.
In correlation technique, the supporting layer made of photoresist is provided with the underlay substrate of display base plate, the supporting layer
Including multiple support columns, auxiliary cathode made of the metals such as copper or aluminium is additionally provided between the underlay substrate and each support column,
And orthographic projection covering support column orthographic projection on underlay substrate of the auxiliary cathode on underlay substrate.The supporting layer is away from substrate
The side of substrate is provided with tin indium oxide (English：Indium Tin Oxide；Abbreviation：ITO) layer, the ITO layer are wrapped in each
The surface of support column.When buckling the display base plate when on display backboard, the ITO layer can connect with the negative electrode in display backboard
Touch, so as to which the negative electrode is in parallel with the auxiliary cathode, to reach the purpose for reducing cathode resistor.
But because photoresist has certain elasticity, buckled by display base plate in display base plate, or to display
On panel during shell of mount display etc., support column may be shunk so that ITO layer is broken, and causes negative electrode
There is loose contact with auxiliary cathode.
Utility model content
The utility model provides a kind of display base plate and display panel, can solve in correlation technique that support column may
Shrink so that ITO layer is broken, and causes negative electrode the problem of loose contact occur with auxiliary cathode, the technical scheme is as follows：
First aspect, there is provided a kind of display base plate, the display base plate include：
The supporting layer being arranged on underlay substrate, the supporting layer include：Spaced multiple support columns；
Side of the supporting layer away from the underlay substrate is provided with auxiliary cathode layer, the auxiliary cathode layer with it is each
Bottom surface contact of the support column away from underlay substrate side；
Orthographic projection and the multiple support column of the auxiliary cathode layer on the underlay substrate are in the underlay substrate
On orthographic projection limit the pixel regions of multiple array arrangements.
Alternatively, orthographic projection of the auxiliary cathode layer on the underlay substrate is arranged in the first direction by multiple
First strip projects and multiple the second strip projections arranged in a second direction intersect the netted projection formed, each described
Orthographic projection of the support column on the underlay substrate covers the intersection region of the first strip projection and the projection of the second strip.
Alternatively, the netted projection includes the open area of multiple array arrangements, and each open area covers an institute
State pixel region.
Alternatively, in the center and the intersection region of each orthographic projection of the support column on the underlay substrate
The heart overlaps.
Alternatively, in the multiple support column, at least one support column is on the direction parallel to the underlay substrate
Section is in polygon.
Alternatively, the polygon is cross.
Alternatively, the diameter range of the criss-cross circumscribed circle is 10 to 20 microns；
The thickness range of the support column is 2.5 to 3.0 microns；
The thickness of the auxiliary cathode layer is 0.48 micron；
Wherein, the thickness direction of the thickness direction of the support column and the auxiliary cathode layer is each perpendicular to the substrate base
Plate.
Alternatively, in the multiple support column, at least one object support post be present, the side wall of the object support post is in
Ramp shaped is stepped；
Described in orthographic projection of the object support post close to the surface of the underlay substrate on the underlay substrate covers
Orthographic projection of surface of the object support post away from the underlay substrate on the underlay substrate.
Second aspect, there is provided a kind of display panel, the display panel include any described display base of first aspect
Plate.
Alternatively, the display panel also includes：Backboard is shown, the display base plate is buckled on the display backboard,
The display backboard includes：Be stacked anode, organic luminous layer and negative electrode on underlay substrate, the negative electrode with it is described auxiliary
Cathode layer is helped to contact.
The beneficial effect that technical scheme provided by the utility model is brought is：
The display base plate and display panel that the utility model embodiment provides, pass through the remote lining of supporting layer in display base plate
The side of substrate sets auxiliary cathode layer, auxiliary cathode layer is connect with bottom surface of each support column away from underlay substrate side
Touch so that the auxiliary cathode, will not be cloudy to auxiliary when support column shrinks without being connected by ITO layer with the negative electrode in display backboard
Connection between pole and negative electrode impacts, and ensure that can effectively connect between auxiliary cathode and negative electrode, and auxiliary cathode
Orthographic projection and multiple support column orthographic projection on underlay substrate of the layer on underlay substrate limits the picture of multiple array arrangements
Plain region so that auxiliary cathode and support column are respectively positioned in non-display area, ensure that the transmitance of display base plate.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1-1 is the structural representation of the display panel in correlation technique；
Fig. 1-2 is that the ITO layer being wrapped in correlation technique outside support column the schematic diagram being broken occurs；
Fig. 2 is a kind of structural representation for display base plate that the utility model embodiment provides；
Fig. 3 is that the position of a kind of the auxiliary cathode layer and support column of the utility model embodiment offer on underlay substrate is closed
It is schematic diagram；
Fig. 4 is a kind of side wall of the utility model embodiment offer in the schematic perspective view of the support column of ramp shaped；
Fig. 5 is a kind of flow chart of the manufacture method for display base plate that the utility model embodiment provides；
Fig. 6 is a kind of structural representation for display panel that the utility model embodiment provides；
Fig. 7 is a kind of flow chart of the manufacture method for display panel that the utility model embodiment provides.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
At present, OLED display panel with frivolous, low-power consumption, response is fast and the feature such as resolution ratio height is temporary in flat display field
Appear, its market potential prospect is had an optimistic view of by industry.OLED display panel can include：Top-emitting OLED display panel and
Bottom emitting type OLED display panel, wherein, top-emitting OLED display panel (such as：Active matrix organic light-emitting diode (English
Text：Active matrix organic light emitting diode；Abbreviation：AMOLED) display panel) can effectively solve
Due to thin film transistor (TFT) (English：Thin Film Transistor；Abbreviation：TFT the aperture opening ratio that compensation circuit) is brought reduces
And the problem of brightness of display screen reduction, meanwhile, by using microcavity effect present in top-emitting OLED display panel, may be used also
To improve to its colour gamut, to improve display effect.
OLED display panel generally comprises display backboard, and buckles the display base plate on display backboard, top emission type
The light of OLED display panel is from the negative electrode side outgoing on display backboard, thus negative electrode needs to have relatively low resistance and higher
Transmitance.When (English with aluminium：Al) or copper is (English：) etc. Cu during metal manufacture cathode layer, only the cathode layer thickness very
Can just there is higher transmitance when thin, but cathode layer is excessively thin can cause open circuit or metal oxidation, it is impossible to form effective ohm and connect
Touch, cause display screen brightness disproportionation occur.When manufacturing negative electrode with ITO, ITO can have the problem of electrical conductivity is inadequate.Related skill
In art, by using the metals such as Cu or Al to manufacture auxiliary cathode on display base plate, and by being wrapped in the ITO on support column surface
Layer is in parallel with the negative electrode made of IZO on display backboard by auxiliary cathode, while the transmitance of display panel is ensured, to subtract
The resistance of small negative electrode.
The structural representation of display panel refer to Fig. 1-1 in correlation technique, wherein, the underlay substrate of display base plate 00
Being cascading on 001 has black matrix 002, chromatic filter layer 003, flatness layer 004, auxiliary cathode layer 005, support column 006
With ITO layer 007, show backboard 01 underlay substrate 011 on be cascading have TFT 012, anode (not shown), as
Element defines layer 013, organic luminous layer 014 and negative electrode 015.But because photoresist has certain elasticity, base will shown
Plate is buckled in display base plate, or during shell to mount display on display panel etc., support column may shrink,
So that ITO layer may be broken, negative electrode is caused loose contact occur with auxiliary cathode.Illustratively, it is wrapped in support column 006
The exemplary plot that being broken occurs in the ITO layer 007 on surface refer to Fig. 1-2, the height for the support column that ITO layer 007 is wrapped up in Fig. 1-2
For 10.5 microns, it can be seen that the ITO layer 007 being wrapped in outside support column from the Fig. 1-2, and the ITO layer in dashed rectangle
007 there is fracture.
For the problem, the utility model embodiment provides a kind of display base plate, as shown in Fig. 2 the display base plate 10
It can include：
The supporting layer being arranged on underlay substrate 101, the supporting layer can include：Spaced multiple support columns 102.
Side of the supporting layer away from underlay substrate 101 is provided with auxiliary cathode layer 103, auxiliary cathode layer 103 and each branch
Bottom surface W contact of the dagger 102 away from the side of underlay substrate 101.
Orthographic projection and multiple support column 102 of the auxiliary cathode layer 103 on underlay substrate 101 are on underlay substrate 101
Orthographic projection limits the pixel region of multiple array arrangements.
In practical application, as shown in Fig. 2 being also provided with black matrix between the underlay substrate 101 and supporting layer 102
104th, chromatic filter layer 105 and flatness layer 106.
In summary, the display base plate that the utility model embodiment provides, by one of supporting layer away from underlay substrate
Side sets auxiliary cathode layer, auxiliary cathode layer is contacted with bottom surface of each support column away from underlay substrate side so that this is auxiliary
Negative electrode is helped without be connected by ITO layer with the negative electrode in display backboard, during support column contraction will not to auxiliary cathode and negative electrode it
Between connection impact, ensure that can effectively connect between auxiliary cathode and negative electrode, and auxiliary cathode layer is in substrate base
The orthographic projection of orthographic projection and multiple support columns on underlay substrate on plate limits the pixel region of multiple array arrangements so that
Auxiliary cathode and support column are respectively positioned in non-display area, ensure that the transmitance of display base plate.
Wherein, as shown in figure 3, orthographic projection of the auxiliary cathode layer 103 on underlay substrate 101 can be along first by multiple
The first strip projection of direction A1 arrangements and the second strip projection of multiple A2 in a second direction arrangements intersect formed net
Shape projection 1031, the i.e. entirety of auxiliary cathode layer 103 are in netted that the netted projection 1031 includes the open area of multiple array arrangements
1032, each open area 1032 covers a pixel region, and each orthographic projection of the support column 102 on underlay substrate 101
The intersection region of 1021 the first strip of covering one projections and the projection of the second strip.Also, the center of the intersection region can be with
The center superposition of each orthographic projection of the support column 102 on underlay substrate 101.Now, auxiliary cathode layer corresponding to intersection region
103 can be formed on surface of the supporting layer away from the side of underlay substrate 101, when display base plate 10 is buckled display backboard on
When, the auxiliary cathode layer 103 can be with showing the cathode contacts on backboard, so as to realize both parallel connections, to reduce negative electrode
Resistance, possibility is provided to improve image refreshing frequency.Also, the entirety of auxiliary cathode layer 103 is in netted, can ensure to aid in
Cathode layer 103 is effectively connected with negative electrode, meanwhile, it is capable to ensure the uniformity of voltage's distribiuting in whole display panel, Jin Erbao
The homogeneity that card display panel is shown.
Alternatively, in above-mentioned multiple support columns 102, at least one object support post 102 be present, the object support post is flat
Row is in polygon in the section on the direction of underlay substrate 101.Illustratively, the polygon can be concave polygon, such as：This is more
Side shape can be cross, and the diameter range of the criss-cross circumscribed circle can be 10 to 20 microns.
Illustratively, when the polygon is cross, and in orthographic projection of the auxiliary cathode layer 103 on underlay substrate 101,
One strip projects and the center of the intersection region of the second strip projection and positive throwing of each support column 102 on underlay substrate 101
During the center superposition of shadow, the auxiliary cathode layer 103 and the position relationship of the support column 102 on underlay substrate refer to Fig. 3 (
It is the schematic diagram of both orthographic projections on underlay substrate).It is criss-cross outer at a certain height apart from underlay substrate 101
Connecing diameter of a circle can be with being in that diameter of the round table-like support column 102 at the height is equal in correlation technique, now, the cross
Part in circumscribed circle corresponding to shape beyond cross is support column 102 in the utility model relative to support column in correlation technique
The part of 006 reduction, the part of the reduction can reduce the material of manufacture support column 102, and then reduce the production of display base plate
Cost.Also, due to the reduction of the part in support column 102, when the part of support column 102 is located in viewing area, additionally it is possible to
Correspondingly increase the transmitance of display base plate 10.Also, section that should be on the direction parallel to underlay substrate 101 is in cross
Support column 102 there is more stable supporting role relative in round table-like support column 006, now, can also suitably increase
Spacing between big each support column 102, the technique that on the one hand can so simplify production display base plate, and reduce production display
The production cost of substrate, it on the other hand can also further increase the transmitance of display base plate.Meanwhile display base plate is buckled
, should when glue (being used for the glue that both are formed with water oxygen buffer action) is filled into space between the two after on display backboard
Support column 102 does not interfere with the filling of the glue yet.
Further, in above-mentioned multiple support columns 102, at least one object support post 102 be present, the object support post
102 side wall can be in ramp shaped or stepped, and object support post 102 close to the surface of underlay substrate 101 in underlay substrate 101
On orthographic projection of surface of the orthographic projection coverage goal support column 102 away from underlay substrate 101 on underlay substrate 101.Example
Ground, the side wall refer to Fig. 2 in schematic cross-section of the support column 102 of ramp shaped on underlay substrate 101, and the side wall is in ramp shaped
The schematic perspective view of support column 102 refer to Fig. 4 (for ease of watching, other film layers not shown in figure on underlay substrate 101).
This can provide certain cushioning effect in ramp shaped or stair-stepping side wall for the film layer climbed in its surface, and then be film layer
Climbing on the side wall provides favourable condition, and when support column 102 shrinks, due to the presence of the cushioning effect so that
Climb auxiliary cathode layer 103 on the surface of support column 102 and be less prone to fracture, so ensure that auxiliary cathode and negative electrode it
Between effective connection.
It is in contact with it should be noted that the line width of auxiliary cathode layer 103 corresponding to intersection region can be less than or equal to
Support column 102 line width, it is corresponding that the line width of the auxiliary cathode layer 103 beyond intersection region can be less than or equal to intersection region
Auxiliary cathode layer 103 line width, the utility model embodiment is not specifically limited to it.It is corresponding with intersection region in Fig. 4
The line width of auxiliary cathode layer 103 be equal to the line width of support column 102 being in contact with it, the auxiliary cathode layer beyond intersection region
103 line width is illustrated exemplified by being less than the line width of auxiliary cathode layer 103 corresponding to intersection region.
Alternatively, the thickness range of the support column 102 can be 2.5 to 3.0 microns, the thickness of the auxiliary cathode layer 103
It can be 0.48 micron, the thickness direction of the thickness direction of the support column 102 and the auxiliary cathode layer 103 is each perpendicular to substrate base
Plate 101.
Also, the auxiliary cathode layer 103 can by be stacked on supporting layer the first protective layer, auxiliary cathode sublayer
Formed with the second protective layer.Wherein, the first protective layer and the second protective layer can be by molybdenum (English：Mo) it is made, auxiliary cathode
Layer can be by calorize neodymium (English：AlNd) it is made；Or first protective layer and the second protective layer can be by molybdenum niobium (English：
MoNb) it is made, auxiliary cathode sublayer can be made up of Cu.The setting of first protective layer and the second protective layer can be to being arranged on
Auxiliary cathode sublayer between first protective layer and the second protective layer forms water oxygen isolation, prevents the auxiliary cathode sublayer by oxygen
Change.
In summary, the display base plate that the utility model embodiment provides, by one of supporting layer away from underlay substrate
Side sets auxiliary cathode layer, auxiliary cathode layer is contacted with bottom surface of each support column away from underlay substrate side so that this is auxiliary
Negative electrode is helped without be connected by ITO layer with the negative electrode in display backboard, during support column contraction will not to auxiliary cathode and negative electrode it
Between connection impact, ensure that can effectively connect between auxiliary cathode and negative electrode, and auxiliary cathode layer is in substrate base
The orthographic projection of orthographic projection and multiple support columns on underlay substrate on plate limits the pixel region of multiple array arrangements so that
Auxiliary cathode and support column are respectively positioned in non-display area, ensure that the transmitance of display base plate.
The utility model embodiment additionally provides a kind of manufacture method of display base plate, as shown in figure 5, this method can wrap
Include：
Step 501, black matrix is formed on underlay substrate.
Wherein, underlay substrate can be transparency carrier, and it can be had using glass, quartz, transparent resin etc.
Substrate made of the leaded light and nonmetallic materials of certain degree of hardness.
It is alternatively possible to after being cleaned to underlay substrate using standard method, using magnetron sputtering, thermal evaporation or
Plasma enhanced chemical vapor deposition method (English：Plasma Enhanced Chemical Vapor Deposition；Letter
Claim：PECVD) the methods of deposits one layer on underlay substrate has certain thickness black matrix material, obtains black matrix film layer, so
Afterwards black matrix film layer is handled to obtain black matrix by a patterning processes.Wherein, a patterning processes can include：Light
Photoresist coating, exposure, development, etching and photoresist lift off, black matrix material can be any material for being capable of shading, such as：
The photoresist of black.
Step 502, chromatic filter layer is formed on the underlay substrate formed with black matrix.
Wherein, chromatic filter layer can include red filter layer, green color filter and blue color filter layer.It is alternatively possible to
Pass through slit coating (English：Slit coating) etc. mode, on the underlay substrate formed with black matrix coat color blocking material
Material, then by front baking, exposure, development, it is rear dry and the technique such as graphical forms chromatic filter layer, its thickness can be 2.0 micro-
Rice.
Step 503, supporting layer is formed on the underlay substrate formed with chromatic filter layer.
It is alternatively possible to by way of slit coating etc., light is coated on the underlay substrate formed with chromatic filter layer
Hinder material, then by front baking, exposure, development, it is rear dry and the technique such as graphical forms supporting layer, its thickness can be 2.5~
3.0 microns, the supporting layer of the formation includes multiple support columns.
It should be noted that being formed on the underlay substrate formed with chromatic filter layer before supporting layer, rotation can be passed through
Turn coating (English：Spin coating) etc. mode, on the underlay substrate formed with chromatic filter layer coat flatness layer material
Material, to form flatness layer, then forms supporting layer on the underlay substrate formed with flatness layer again, wherein, the thickness of the flatness layer
Degree can be 2.0 microns.
Step 504, auxiliary cathode layer is formed on the underlay substrate formed with supporting layer.
It is alternatively possible to using sputtering (English：Sputter), thermal evaporation or sunk on underlay substrate the methods of PECVD
One layer of product has certain thickness metal material, metal material layer is obtained, then by a patterning processes to metal material layer
Handled to obtain auxiliary cathode layer.Wherein, a patterning processes can include：Photoresist coating, exposure, development, etching and
Photoresist lift off, metal material can be that metal Mo, Ni metal, metal Al and its alloy material are fabricated, the auxiliary cathode
The thickness of layer 103 can be 0.48 micron.Illustratively, after the manufacture method of the display base plate of step 501 to step 504,
The structural representation of the display base plate produced refer to Fig. 2.
Alternatively, the auxiliary cathode layer can by be stacked on supporting layer the first protective layer, auxiliary cathode sublayer
Formed with the second protective layer.Wherein, the first protective layer and the second protective layer can be made up of Mo, and auxiliary cathode sublayer can be by
AlNd is made；Or first protective layer and the second protective layer can be made up of MoNb, auxiliary cathode sublayer can be made up of Cu,
And the thickness range of the auxiliary cathode sublayer can be 0.3-0.4 microns, or 0.3-0.46 microns.
In summary, the manufacture method for the display base plate that the utility model embodiment provides, by the remote lining of supporting layer
The side of substrate forms auxiliary cathode layer, auxiliary cathode layer is connect with bottom surface of each support column away from underlay substrate side
Touch so that the auxiliary cathode, will not be cloudy to auxiliary when support column shrinks without being connected by ITO layer with the negative electrode in display backboard
Connection between pole and negative electrode impacts, and ensure that can effectively connect between auxiliary cathode and negative electrode, and auxiliary cathode
Orthographic projection and multiple support column orthographic projection on underlay substrate of the layer on underlay substrate limits the picture of multiple array arrangements
Plain region so that auxiliary cathode and support column are respectively positioned in non-display area, ensure that the transmitance of display base plate.
The utility model also provides a kind of display panel, and the display panel can include the display base plate shown in Fig. 2.
Alternatively, as shown in fig. 6, display panel can also include：Backboard 20 is shown, display base plate 10 is buckled in the display
On backboard 20, the display backboard 20 can include：It is stacked the TFT 202 on underlay substrate 201, anode (does not show in Fig. 6
Go out), pixel defining layer 203, organic luminous layer 204 and negative electrode 205, the negative electrode 205 contact with auxiliary cathode layer 103.
In summary, the display panel that the utility model embodiment provides, by being propped up in the display base plate of display panel
Support side of the layer away from underlay substrate and auxiliary cathode layer is set, make auxiliary cathode layer with each support column away from underlay substrate side
Bottom surface contact so that the auxiliary cathode without by ITO layer with display backboard in negative electrode be connected, support column contraction when will not
Connection between auxiliary cathode and negative electrode is impacted, ensure that can effectively connect between auxiliary cathode and negative electrode, and
Orthographic projection and multiple support column orthographic projection on underlay substrate of the auxiliary cathode layer on underlay substrate limits multiple arrays
The pixel region of arrangement so that auxiliary cathode and support column are respectively positioned in non-display area, ensure that the transmitance of display base plate.
The utility model embodiment additionally provides a kind of manufacture method of display panel, as shown in fig. 7, this method can wrap
Include：
Step 701, manufacture shows backboard on a underlay substrate.
Alternatively, manufacture shows that the process of backboard can include：
Step 7011, anode is formed on underlay substrate.
It should be noted that before underlay substrate or that formation anode, TFT can also be formed on underlay substrate
The film layer structure Deng before.
Step 7012, pixel defining layer is formed on the underlay substrate formed with anode.
Rotary coating (English can be passed through：Spin coating) etc. mode, on the underlay substrate formed with anode
Coat one layer of photo-curing material, to form photocurable layers, then by front baking, exposure, development, rear dry and the technique shape such as graphical
Pixel defines layer, wherein, the thickness of the pixel defining layer can be 1.6~2.0 microns.
Step 7013, organic luminous layer is formed on the underlay substrate formed with pixel defining layer.
It is alternatively possible to formed using the mode such as evaporation or printing on the underlay substrate formed with pixel defining layer organic
Luminescent layer, the organic luminous layer can be white organic LED (English：White Organic Light-Emtting
Diode；Abbreviation：WOLED) luminescent layer, and the organic luminous layer can include：Hole injection layer, hole transmission layer, luminescent layer,
At least one layer in hole blocking layer, electronic barrier layer, electron transfer layer and electron injecting layer.
Step 7014, negative electrode is formed on the underlay substrate formed with organic luminous layer.
It is alternatively possible to using sputtering (English：Sputter), thermal evaporation or sunk on underlay substrate the methods of PECVD
One layer of product has certain thickness ITO, obtains ITO layer, then ITO layer is handled to obtain the moon by a patterning processes
Pole.Wherein, a patterning processes can include：Photoresist coating, exposure, development, etching and photoresist lift off.
Step 702, manufacture display base plate on another underlay substrate.
The method of display base plate is formed please accordingly with reference to step 501 to step 504, here is omitted.
Step 703, by display base plate buckle display backboard on.
Display base plate is buckled on display backboard, and it is carried out to encapsulate box, you can obtains display panel, the display
Panel can be AMOLED display panels, and its schematic diagram refer to Fig. 6.
In summary, the manufacture method for the display panel that the utility model embodiment provides, by being propped up in display base plate
Support side of the layer away from underlay substrate and form auxiliary cathode layer, make auxiliary cathode layer with each support column away from underlay substrate side
Bottom surface contact so that the auxiliary cathode without by ITO layer with display backboard in negative electrode be connected, support column contraction when will not
Connection between auxiliary cathode and negative electrode is impacted, ensure that can effectively connect between auxiliary cathode and negative electrode, and
Orthographic projection and multiple support column orthographic projection on underlay substrate of the auxiliary cathode layer on underlay substrate limits multiple arrays
The pixel region of arrangement so that auxiliary cathode and support column are respectively positioned in non-display area, ensure that the transmitance of display base plate.
In addition, the utility model also provides a kind of display device, the display device includes above-mentioned display panel, display dress
Putting to be：Liquid crystal panel, Electronic Paper, mobile phone, tablet personal computer, television set, display, notebook computer, DPF, navigation
Any product or part with display function such as instrument.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (10)
1. a kind of display base plate, it is characterised in that the display base plate includes：
The supporting layer being arranged on underlay substrate, the supporting layer include：Spaced multiple support columns；
Side of the supporting layer away from the underlay substrate is provided with auxiliary cathode layer, the auxiliary cathode layer with it is each described
Bottom surface contact of the support column away from underlay substrate side；
Orthographic projection and the multiple support column of the auxiliary cathode layer on the underlay substrate are on the underlay substrate
Orthographic projection limits the pixel region of multiple array arrangements.
2. display base plate according to claim 1, it is characterised in that
Orthographic projection of the auxiliary cathode layer on the underlay substrate is to be thrown by multiple the first strips arranged in the first direction
Shadow and multiple the second strip projections arranged in a second direction intersect the netted projection formed, and each support column is in institute
State the intersection region that the orthographic projection on underlay substrate covers the first strip projection and the projection of the second strip.
3. display base plate according to claim 2, it is characterised in that the netted projection includes opening for multiple array arrangements
Mouth region domain, each open area cover a pixel region.
4. display base plate according to claim 2, it is characterised in that
The center superposition at the center and the intersection region of each orthographic projection of the support column on the underlay substrate.
5. display base plate according to claim 1, it is characterised in that
In the multiple support column, section of at least one support column on the direction parallel to the underlay substrate is in polygon
Shape.
6. display base plate according to claim 5, it is characterised in that
The polygon is cross.
7. display base plate according to claim 6, it is characterised in that
The diameter range of the criss-cross circumscribed circle is 10 to 20 microns；
The thickness range of the support column is 2.5 to 3.0 microns；
The thickness of the auxiliary cathode layer is 0.48 micron；
Wherein, the thickness direction of the thickness direction of the support column and the auxiliary cathode layer is each perpendicular to the underlay substrate.
8. display base plate according to any one of claims 1 to 7, it is characterised in that
In the multiple support column, at least one object support post be present, the side wall of the object support post is in ramp shaped or ladder
Shape；
Orthographic projection of the object support post close to the surface of the underlay substrate on the underlay substrate covers the target
Orthographic projection of surface of the support column away from the underlay substrate on the underlay substrate.
9. a kind of display panel, it is characterised in that the display panel includes any described display base plate of claim 1 to 8.
10. display panel according to claim 9, it is characterised in that
The display panel also includes：Backboard is shown, the display base plate is buckled on the display backboard, the display backboard
Including：Anode, organic luminous layer and negative electrode on underlay substrate are stacked, the negative electrode connects with the auxiliary cathode layer
Touch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083276.6U CN207082555U (en) | 2017-08-28 | 2017-08-28 | Display base plate and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721083276.6U CN207082555U (en) | 2017-08-28 | 2017-08-28 | Display base plate and display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207082555U true CN207082555U (en) | 2018-03-09 |
Family
ID=61419612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201721083276.6U Active CN207082555U (en) | 2017-08-28 | 2017-08-28 | Display base plate and display panel |
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| CN109244269A (en) * | 2018-09-19 | 2019-01-18 | 京东方科技集团股份有限公司 | Display panel and its manufacturing method, display device |
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| CN109065596A (en) * | 2018-08-17 | 2018-12-21 | 京东方科技集团股份有限公司 | array substrate, display panel and display device |
| CN109244269A (en) * | 2018-09-19 | 2019-01-18 | 京东方科技集团股份有限公司 | Display panel and its manufacturing method, display device |
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| CN110518035A (en) * | 2019-08-09 | 2019-11-29 | 深圳市华星光电半导体显示技术有限公司 | Organic LED display panel |
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