WO2023103061A1 - 显示面板 - Google Patents

显示面板 Download PDF

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Publication number
WO2023103061A1
WO2023103061A1 PCT/CN2021/139361 CN2021139361W WO2023103061A1 WO 2023103061 A1 WO2023103061 A1 WO 2023103061A1 CN 2021139361 W CN2021139361 W CN 2021139361W WO 2023103061 A1 WO2023103061 A1 WO 2023103061A1
Authority
WO
WIPO (PCT)
Prior art keywords
glue
display panel
substrate
display
binding
Prior art date
Application number
PCT/CN2021/139361
Other languages
English (en)
French (fr)
Inventor
江应传
Original Assignee
武汉华星光电半导体显示技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电半导体显示技术有限公司 filed Critical 武汉华星光电半导体显示技术有限公司
Priority to US17/623,204 priority Critical patent/US20230189581A1/en
Publication of WO2023103061A1 publication Critical patent/WO2023103061A1/zh

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]

Definitions

  • the present invention relates to the field of display technology, in particular to a display panel applied to the sub-motherboard splicing technology.
  • the motherboard is a driving substrate of the display panel
  • the sub-board is a display substrate of the display panel.
  • the driving substrate and the display substrate can be manufactured separately, and then the driving substrate and the display substrate are electrically connected to each other to form a driving circuit, finally forming a complete display panel.
  • the driving substrate and the display substrate each have corresponding bonding electrodes, and through bonding (bonding) technology, the paired electrodes are bonded with conductive glue (such as silver glue) to conduct the driving substrate and the display substrate. display substrate.
  • conductive glue such as silver glue
  • the conductive glue and the respective binding electrodes of the driving substrate and the display substrate have a certain thickness. Between the driving substrate and the display substrate, except for the conductive glue and the binding electrodes, the remaining space is a cavity with only air.
  • the air in the cavity may expand with heat and contract with cold due to the temperature of the environment, thereby affecting the stability of the connection between the driving substrate and the display substrate.
  • the driving substrate and the display substrate will be compressed by the external atmosphere, resulting in partial cracks in the display panel.
  • the driving substrate and the display substrate When the air in the cavity is heated and expands, the driving substrate and the display substrate will be squeezed by the internal air, causing the driving substrate and the display substrate to break away from the bonding of the conductive adhesive, resulting in the Indicating that the drive circuit of the display panel is disconnected.
  • the present invention provides a display panel applied to the sub-motherboard splicing technology, which can avoid the formation of holes caused by the driving substrate and the display substrate bonded by conductive adhesive, thereby increasing the reliability of the display panel and prolonging the display time. panel lifespan.
  • the display panel of the present invention includes a driving substrate, a display substrate, and a connection layer.
  • the driving substrate includes a first binding electrode and a driving circuit of the display panel.
  • the display substrate includes a second binding electrode and a display unit of the display panel.
  • the second binding electrode corresponds to the first binding electrode of the driving substrate.
  • the connection layer is disposed between the driving substrate and the display substrate, and includes conductive glue and glue.
  • the conductive glue is electrically connected to the first binding electrode of the driving substrate and the second binding electrode of the display substrate so that the driving circuit is electrically connected to the display unit.
  • the adhesive connects surfaces of the driving substrate and the display substrate facing each other.
  • the glue material includes liquid glue
  • the connection layer further includes a dam.
  • the dam surrounds the outer perimeter of the glue.
  • the adhesive is filled between the driving substrate, the display substrate, and the dams.
  • the dam is provided with vent holes.
  • the display panel includes a binding area and a non-binding area, and the binding area surrounds the non-binding area.
  • the first binding electrode of the driving substrate and the second binding electrode of the display substrate are located in the binding area of the display panel.
  • the glue of the connecting layer includes a first glue and a second glue. The first glue is located in the non-binding area of the display panel. The second glue is located on the binding area of the display panel.
  • the dam includes a first dam and a second dam.
  • the first dam surrounds the outer periphery of the first glue.
  • the second dam surrounds the outer periphery of the second glue.
  • the first dam is provided with a first vent hole.
  • the second dam is provided with a second vent hole.
  • the material of the glue includes solid glue.
  • the glue includes through holes. The through hole corresponds to the first binding electrode of the driving substrate and the second binding electrode of the display substrate, and the conductive glue is disposed in the through hole.
  • the display panel includes a binding area and a non-binding area, and the binding area surrounds the non-binding area.
  • the first binding electrode of the driving substrate and the second binding electrode of the display substrate are located in the binding area of the display panel.
  • the glue of the connecting layer includes a first glue and a second glue. The first glue is located in the non-binding area of the display panel. The second glue is located on the binding area of the display panel.
  • the material of the first glue includes liquid glue
  • the material of the second glue includes solid glue.
  • the second glue surrounds the outer periphery of the first glue.
  • the second glue includes through holes. The through hole corresponds to the first binding electrode of the driving substrate and the second binding electrode of the display substrate.
  • the conductive glue is disposed in the through hole.
  • the material of the first glue includes solid glue
  • the material of the second glue includes liquid glue.
  • the second glue surrounds the outer periphery of the first glue.
  • the second dam surrounds the outer periphery of the second glue.
  • the second dam is provided with a second vent hole.
  • the liquid glue includes photocurable liquid glue.
  • the solid glue includes transparent optical tape.
  • the display panel further includes a plurality of display substrates arranged in an array on the driving substrate.
  • connection layer is disposed between the driving substrate and the plurality of display substrates, and the adhesive of the connection layer connects the driving substrate and the plurality of display substrates to face each other. on the surface.
  • the display panel of the present invention is filled with the glue between the driving substrate and the display substrate, that is, There is no cavity with air between the driving substrate and the display substrate. Therefore, the adhesive of the present invention fills the cavity between the driving substrate and the display substrate, and enhances the adhesive force between the driving substrate and the display substrate, thereby increasing reliability of the display panel, and prolong the service life of the display panel.
  • the liquid glue when used for the viscose, it cooperates with the vent hole on the dam, and when the display substrate is pressed on the drive substrate, the display substrate is located between the drive substrate and the display substrate. The air between the substrates will be exhausted through the exhaust holes, effectively assisting the manufacture of the display panel of the present invention.
  • the glue uses the solid glue, the glue can further improve the manufacturing efficiency of the display panel.
  • FIG. 1 is a top view of a display panel of the present invention.
  • FIG. 2 is a top view of the driving substrate of the display panel of the present invention.
  • FIG. 3 is a bottom view of the display substrate of the display panel of the present invention.
  • FIG. 4 is a cross-sectional view of the display panel of the present invention cut along line A-A of FIG. 1 .
  • FIG. 5 is another cross-sectional view of the display panel of the present invention cut along line A-A of FIG. 1 .
  • FIG. 6 is a top view of the display panel in the first embodiment of the present invention.
  • FIG. 7 is a cross-sectional view of the display panel of the present invention taken along line B-B in FIG. 6 .
  • FIG. 8 is a top view of the display panel in the second embodiment of the present invention.
  • FIG. 9 is a cross-sectional view of the display panel of the present invention cut along line C-C in FIG. 8 .
  • FIG. 10 is a partial view D of the connection layer of the display panel in FIG. 8 .
  • FIG. 11 is a partial cross-sectional view of the connection layer of the display panel of the present invention cut along line C-C in FIG. 10 .
  • FIG. 12 is a top view of the display panel in the third embodiment of the present invention.
  • FIG. 13 is a cross-sectional view of the display panel of the present invention taken along line E-E of FIG. 12 .
  • FIG. 14 is a top view of the fourth embodiment of the display panel of the present invention.
  • FIG. 15 is a cross-sectional view of the display panel of the present invention taken along line F-F of FIG. 14 .
  • FIG. 16 is a top view of the fifth embodiment of the display panel of the present invention.
  • FIG. 17 is a cross-sectional view of the display panel of the present invention taken along line G-G in FIG. 16 .
  • FIG. 18 is a top view of the sixth embodiment of the display panel of the present invention.
  • FIG. 19 is a cross-sectional view of the display panel of the present invention taken along line H-H in FIG. 18 .
  • FIG. 20 is a top view of another display panel of the present invention.
  • FIG. 1 is a top view of the display panel 100 of the present invention.
  • FIG. 2 is a top view of the driving substrate 200 of the display panel 100 of the present invention
  • FIG. 3 is a bottom view of the display substrate 300 of the display panel 100 of the present invention.
  • the motherboard is the driving substrate 200 of the display panel 100
  • the daughterboard is the display substrate 300 of the display panel 100 .
  • the driving substrate 200 includes the driving circuit of the display panel 100
  • the display substrate 300 includes the display unit of the display panel 100 .
  • the display unit is an organic light emitting transistor (OLED).
  • OLED organic light emitting transistor
  • the display panel 100 includes a binding area 110 and a non-binding area 120 .
  • the driving substrate 200 includes a first binding electrode 210 , and the first binding electrode 210 is located in the binding area 110 of the display panel 100 .
  • the display substrate 300 includes a second binding electrode 310 , and the second binding electrode 310 is located in the binding area 110 of the display panel 100 .
  • the second binding electrodes 310 of the display substrate 300 correspond to the first binding electrodes 210 of the driving substrate 200 .
  • FIG. 4 is a cross-sectional view of the display panel 100 of the present invention cut along line A-A of FIG. 1 .
  • the display panel 100 of the present invention further includes a connection layer 400 .
  • the connecting layer 400 is disposed between the driving substrate 200 and the display substrate 300 , and is used for connecting the driving substrate 200 and the display substrate 300 in the motherboard-daughter splicing technology.
  • the connecting layer 400 includes adhesive 400' and conductive adhesive 430.
  • the glue 400' connects the surfaces of the driving substrate 200 and the display substrate 300 facing each other.
  • the conductive glue 430 of the connection layer 400 is electrically connected to the first binding electrode 210 of the driving substrate 200 and the second binding electrode 310 of the display substrate 300, thus forming the The driving circuit of the display panel 100 .
  • the surface where the second binding electrode 310 of the display substrate 300 is located faces toward the surface where the first binding electrode 210 of the driving substrate 200 is located by using a pressing device. surface pressing.
  • the first binding electrode 210 of the driving substrate 200 is electrically connected to the second binding electrode 310 of the display substrate 300, and the first adhesive 411 and the second adhesive 412 are seamless
  • the driving substrate 200 and the display substrate 300 are bonded together.
  • FIG. 5 is another cross-sectional view of the display panel 100 of the present invention cut along line A-A of FIG. 1 .
  • the adhesive 400' of the connection layer 400 includes a first adhesive 410 and a second adhesive 420.
  • the first adhesive 410 is located in the non-binding area 120 of the display panel 100
  • the second adhesive 420 is located in the binding area 110 of the display panel 100
  • the second glue 412 is located on the binding area 110 of the display panel 100 .
  • the material or arrangement of the first glue 411 and the second glue 412 can be adjusted adaptively according to the manufacturing requirements of the display panel 100 .
  • the display panel 100 of the present invention uses the adhesive 400 between the driving substrate 200 and the display substrate 300 'The first glue 410 and the second glue 420 are filled, that is, there is no cavity with air between the driving substrate 200 and the display substrate 300 . Since there is no air between the driving substrate 200 and the display substrate 300 , the display panel 100 will not be affected by local cracks caused by thermal expansion and contraction of air or the disconnection of the driving circuit. Therefore, the first adhesive 410 and the second adhesive 420 of the present invention fill the cavity between the driving substrate 200 and the display substrate 300 and strengthen the driving substrate 200. The adhesive force between the display substrate 300 further increases the reliability of the display panel 100 and prolongs the service life of the display panel 100 .
  • the present invention is described in detail as follows according to the different structures and materials of each element in the display panel 100 .
  • FIG. 6 is a top view of the display panel 100 of the present invention in the first embodiment
  • FIG. 7 is a cross-sectional view of the display panel 100 of the present invention along the line B-B in FIG. And with reference to Figure 1. It should be noted that, in the top view of the display panel 100 in FIG. 6 , the components inside the display panel 100 are particularly drawn with dotted lines to assist in describing this embodiment.
  • the material of the first adhesive 411 located in the non-binding region 120 of the display panel 100 includes liquid adhesive
  • the material of the first adhesive located in the display panel 100 is
  • the material of the second glue 421 in the binding area 110 includes liquid glue.
  • the liquid glue includes an optical clear resin (OCR), which is liquid in an initial state and can be shaped by light curing or drying and curing.
  • OCR optical clear resin
  • the material of the first adhesive 411 and the second adhesive 421 is the liquid adhesive with good fluidity, it can fill up the area where the first binding electrode 210 of the driving substrate 200 is located.
  • the gap on the surface fills up the gap on the surface where the second binding electrode 310 of the display substrate 300 is located, and can autonomously flow between a plurality of the first binding electrodes 210 and between a plurality of binding electrodes 210 between the second binding electrodes 310 .
  • connection Layer 401 also includes a first dam 440 and a second dam 450 .
  • the first dam 440 surrounds the outer periphery of the non-binding area 120 .
  • the second dam 450 surrounds the outer periphery of the binding area 110 .
  • the materials of the first dam 440 and the second dam 450 include optically transparent resin, photocurable ink, polystyrene, transparent optical tape (optical clear adhesive, OCA), or anisotropic conductive film (anisotropic conductive film, ACF).
  • the above-mentioned materials are formed on the surface of the driving substrate 200 where the first binding electrodes 210 are located according to designated positions by spraying or dispensing.
  • the first glue 411 is coated on the first bonding electrode of the first dam 440 on the driving substrate 200 210 on the surface enclosed area
  • the second adhesive 421 is coated on the first binding between the second dam 450 and the first dam 440 on the drive substrate 200 The area enclosed on the surface where the fixed electrode 210 is located.
  • the conductive glue 430 is coated on the second binding electrode 310 of the display substrate 300 .
  • the adhesive layer composed of the first adhesive 411 , the second adhesive 421 , the conductive adhesive 430 , the first dam 440 , and the second dam 450 401 connects the driving substrate 200 and the display substrate 300 .
  • the first dam 440 and the second dam 450 also have the function of maintaining the distance between the driving substrate 200 and the display substrate 300 .
  • the first dam 440 and The thickness of the second dam 450 ranges from 0.1 to 0.5 millimeters (millimeter), preferably set to 0.2 millimeters.
  • the width range of the first dam 440 and the second dam 450 is between 0.1 mm and 1 mm, preferably Set to 0.5mm.
  • the first dam 440 is formed with a first exhaust hole 441
  • the second dam 450 is formed with a second exhaust hole 451 . Therefore, when the display substrate 300 is pressed against the driving substrate 200, the air between the driving substrate 200 and the display substrate 300 will pass through the first exhaust hole 441 and the second row.
  • the exhaust of the air holes 451 effectively assists the manufacture of the display panel 100 of the present invention.
  • the first exhaust hole 441 and the second exhaust hole 451 may be single or multiple.
  • the positions of the first exhaust hole 441 and the second exhaust hole 451 on the first dam 440 and the second dam 450 are not limited to those shown in FIG. 6 , and can be arranged at corners. , or symmetrical, asymmetrical, or randomly set.
  • the positions of the first exhaust hole 441 and the second exhaust hole 451 of the first dam 440 and the second dam 450 can also be set according to the driving substrate 200 and the display The pressing direction of the substrate 300 is set.
  • the second glue 421 can also pass through the second vent hole 451, After the driving substrate 200 is bonded to the display substrate 300 , it is injected between the driving substrate 200 , the display substrate 300 , the first dam 440 and the second dam 450 .
  • FIG. 8 is a top view of the display panel 100 of the present invention in the second embodiment
  • FIG. 9 is a cross-sectional view of the display panel 100 of the present invention along line C-C in FIG. 8, And with reference to Figure 1. It should be noted that, in the top view of the display panel 100 in FIG. 8 , the components inside the display panel 100 are particularly drawn with dotted lines to assist in describing this embodiment.
  • the material of the first adhesive 412 located in the non-binding area 120 of the display panel 100 includes the liquid adhesive described in the foregoing embodiments, and the material located in the The material of the second glue 422 in the binding area 110 of the display panel 100 includes solid glue.
  • the solid adhesive includes acrylic tape, silicone tape, or transparent optical tape.
  • the first glue 412 adopts the liquid glue described in the foregoing embodiments, and its technical effect will not be repeated here. Since the second glue 422 uses the solid glue, the second glue 422 can be quickly attached to the surface where the first binding electrode 210 of the driving substrate 200 is located or on the surface of the driving substrate 200. On the surface where the second binding electrode 310 of the display substrate 300 is located, so that the manufacturing process of the display panel 100 can be flexibly adjusted. For example, when the second glue 422 using the solid glue is attached to the display substrate 300, it can be combined with the first glue 422 coated on the drive substrate 200 and using the liquid glue. The glue 412 is prepared simultaneously in two parallel processes to shorten the overall manufacturing time of the display panel 100 .
  • connection layer 402 further includes a first dam 440 .
  • the first dam 440 surrounds the outer periphery of the non-binding area 120 .
  • the material of the first dam 440 includes the optically transparent resin, photocurable ink, polystyrene, transparent optical tape, or anisotropic conductive film described in the foregoing embodiments.
  • the above-mentioned materials are formed on the surface of the driving substrate 200 where the first binding electrodes 210 are located according to designated positions by spraying or dispensing.
  • the first glue 412 is applied to surround the first dam 440 on the surface where the first binding electrode 210 of the driving substrate 200 is located. out of the area, and the second adhesive 422 and the conductive adhesive 430 provided on the same layer are attached to the binding area 110 on the surface where the first binding electrode 210 of the driving substrate 200 is located. , or the second adhesive 422 and the conductive adhesive 430 arranged in the same layer are attached to the binding region 110 on the surface of the display substrate 300 where the second binding electrode 310 is located. . Finally, the driving substrate 200 and the driving substrate 200 are connected with the adhesive layer 402 composed of the first adhesive 412 , the second adhesive 422 , the conductive adhesive 430 , and the first dam 440 .
  • the display substrate 300 .
  • the first dam 440 and the second glue 422 also have the function of maintaining the distance between the driving substrate 200 and the display substrate 300 .
  • the first dam 440 The thickness range is between 0.1 mm and 0.5 mm, and the thickness range of the second glue 422 is between 0.1 mm and 0.5 mm, preferably 0.2 mm.
  • the width of the first dam 440 ranges from 0.1 to 1 mm, preferably 0.5 mm.
  • the first dam 440 is formed with a first exhaust hole 441 . Therefore, when the display substrate 300 is pressed against the driving substrate 200, the air between the driving substrate 200 and the display substrate 300 will be exhausted through the first exhaust hole 441, effectively assisting the present invention.
  • the first exhaust hole 441 can be single or multiple.
  • the position of the first exhaust hole 441 on the first dam 440 is not limited to the position shown in FIG. 8 , and can be set at a corner, symmetrically, asymmetrically, or randomly.
  • the position of the first exhaust hole 441 of the first dam 440 may also be set according to the pressing direction of the driving substrate 200 and the display substrate 300 .
  • FIG. 10 is a partial view D of the connection layer 402 of the display panel 100 in FIG. A partial sectional view taken along line C-C of FIG. 10 .
  • the second adhesive 422 of this embodiment adopts the solid adhesive, it is arranged between the driving substrate 200 and the display substrate 300 in the form of a whole adhesive film, the The first binding electrodes 210 of the driving substrate 200 and the second binding electrodes 310 of the display substrate 300 are blocked by the second adhesive 422 and cannot be electrically connected through the conductive adhesive 430 .
  • the second adhesive 422 is attached to the surface where the first binding electrode 210 of the driving substrate 200 is located, or the second binding electrode 422 is attached to the display substrate 300 After fixing the surface on which the electrode 310 is located, the second glue 422 is opened in the area of the second glue 422 corresponding to the first binding electrode 210 and the second binding electrode 310 by laser. Hole 460.
  • the through hole 460 is filled with the conductive glue 430 and provides a space for electrical connection between the first binding electrode 210 and the second binding electrode 310 .
  • FIG. 12 is a top view of the display panel 100 of the present invention in the third embodiment
  • FIG. 13 is a cross-sectional view of the display panel 100 of the present invention along the E-E line of FIG. 12 , And with reference to Figure 1. It should be noted that, in the top view of the display panel 100 in FIG. 12 , the internal components of the display panel 100 are drawn with dotted lines to assist in describing this embodiment.
  • the material of the first adhesive 413 located in the non-binding area 120 of the display panel 100 includes the liquid adhesive described in the foregoing embodiments
  • the material located in the The material of the second glue 423 in the binding area 110 of the display panel 100 includes the liquid glue described in the foregoing embodiments.
  • the first adhesive 413 and the second adhesive 423 are integrally formed, that is, the first adhesive 413 and the second adhesive Glue 423 uses the same liquid glue.
  • the first glue 413 and the second glue 423 use the liquid glue described in the foregoing embodiments, and the technical effects thereof will not be repeated here.
  • the connecting layer 403 further includes a second dam 450.
  • the second dam 450 surrounds the outer periphery of the binding area 110 .
  • the material of the second dam 450 includes optically transparent resin, photocurable ink, polystyrene, transparent optical tape, or anisotropic conductive film as described in the foregoing embodiments.
  • the above-mentioned materials are formed on the surface of the driving substrate 200 where the first binding electrodes 210 are located according to designated positions by spraying or dispensing.
  • the first glue 413 and the second glue 423 are integrally coated on the first binding of the second dam 450 on the driving substrate 200 The area enclosed on the surface where the fixed electrode 210 is located.
  • the conductive glue 430 is coated on the second binding electrode 310 of the display substrate 300 .
  • the driving substrate 200 and the driving substrate 200 are connected with the adhesive layer 403 composed of the first adhesive 413 , the second adhesive 423 , the conductive adhesive 430 , and the second dam 450 .
  • the display substrate 300 .
  • the second dam 450 also has the function of maintaining the distance between the driving substrate 200 and the display substrate 300 .
  • the second dam 450 The thickness ranges from 0.1 to 0.5 millimeters (millimeter), and is preferably set to 0.2 millimeters.
  • the width of the second dam 450 ranges from 0.1 to 1 mm, preferably 0.5 mm.
  • the second dam 450 is formed with a second exhaust hole 451 . Therefore, when the display substrate 300 is pressed against the driving substrate 200, the air between the driving substrate 200 and the display substrate 300 will be exhausted through the second exhaust holes 451, effectively assisting the present invention.
  • the second exhaust hole 451 can be single or multiple.
  • the position of the second exhaust hole 451 on the second dam 450 is not limited to the position shown in FIG. 12 , and can be set at a corner, symmetrically, asymmetrically, or randomly.
  • the position of the second exhaust hole 451 of the second dam 450 may also be set according to the pressing direction of the driving substrate 200 and the display substrate 300 .
  • the first glue 413 and the second glue 423 of the same material can also be Through the second exhaust hole 451, after the drive substrate 200 and the display substrate 300 are pressed together, they are injected into the drive substrate 200, the display substrate 300, and the second dam 450. between.
  • FIG. 14 is a top view of the display panel 100 of the present invention in the fourth embodiment
  • FIG. 15 is a cross-sectional view of the display panel 100 of the present invention along the line F-F in FIG. 14 , And with reference to Figure 1. It should be noted that, in the top view of the display panel 100 in FIG. 14 , the components inside the display panel 100 are particularly drawn with dotted lines to assist in describing this embodiment.
  • the material of the first adhesive 414 located in the non-binding area 120 of the display panel 100 includes the solid adhesive described in the previous embodiments, and the material located in the The material of the second glue 424 in the binding area 110 of the display panel 100 includes the liquid glue described in the foregoing embodiments.
  • the first glue 413 including the liquid glue located in the non-binding area 120 of the display panel 100 is replaced with the solid glue. Glue the first glue 414.
  • the manufacturing process of the display panel 100 can omit the manufacturing process of the first dam 440 in the first embodiment.
  • the first glue 414 adopts the solid glue described in the foregoing embodiments
  • the second glue 424 adopts the liquid glue described in the foregoing embodiments, and the technical effects thereof will not be repeated here.
  • connection layer 404 further includes a second dam 450 .
  • the second dam 450 surrounds the outer periphery of the binding area 110 .
  • the material of the second dam 450 includes optically transparent resin, photocurable ink, polystyrene, transparent optical tape, or anisotropic conductive film as described in the foregoing embodiments.
  • the above-mentioned materials are formed on the surface of the driving substrate 200 where the first binding electrodes 210 are located according to designated positions by spraying or dispensing.
  • the first glue 414 is attached to the non-binding region 120 on the surface of the driving substrate 200 where the first binding electrode 210 is located, And the second glue 424 is coated on the surface surrounded by the second dam 450 and the first glue 414 on the surface where the first binding electrode 210 of the driving substrate 200 is located. area.
  • the conductive glue 430 is coated on the second binding electrodes 310 of the display substrate 300 .
  • the driving substrate 200 and the driving substrate 200 are connected with the adhesive layer 404 composed of the first adhesive 414 , the second adhesive 424 , the conductive adhesive 430 , and the second dam 450 .
  • the display substrate 300 is .
  • the first glue 414 and the second dam 450 also have the function of maintaining the distance between the driving substrate 200 and the display substrate 300 .
  • the thickness of the first glue 414 The thickness range is between 0.1 mm and 0.5 mm
  • the thickness range of the second dam 450 is between 0.1 mm and 0.5 mm, preferably 0.2 mm.
  • the width of the second dam 450 ranges from 0.1 to 1 mm, preferably 0.5 mm.
  • the second dam 450 is formed with a second exhaust hole 451 . Therefore, when the display substrate 300 is pressed against the driving substrate 200, the air between the driving substrate 200 and the display substrate 300 will be exhausted through the second exhaust holes 451, effectively assisting the present invention.
  • the second exhaust hole 451 can be single or multiple.
  • the position of the second exhaust hole 451 on the second dam 450 is not limited to the position shown in FIG. 14 , and can be set at a corner, symmetrically, asymmetrically, or randomly.
  • the position of the second exhaust hole 451 of the second dam 450 may also be set according to the pressing direction of the driving substrate 200 and the display substrate 300 .
  • the first glue 413 and the second glue 423 of the same material can also be Through the second exhaust hole 451, after the driving substrate 200 and the display substrate 300 are pressed together, they are injected into the driving substrate 200, the display substrate 300, the first glue 414, And between the second dam 450 .
  • FIG. 16 is a top view of the display panel 100 of the present invention in the fifth embodiment
  • FIG. 17 is a cross-sectional view of the display panel 100 of the present invention cut along line G-G in FIG. 16 , And with reference to Figure 1.
  • the components inside the display panel 100 are particularly drawn with dotted lines to assist in describing this embodiment.
  • the material of the first adhesive 415 located in the non-binding area 120 of the display panel 100 includes the solid adhesive described in the previous embodiments, and the material located in the The material of the second glue 425 in the binding area 110 of the display panel 100 includes the solid glue described in the foregoing embodiments.
  • the second glue 424 including the liquid glue located in the binding area 120 of the display panel 100 is replaced with the solid glue The second viscose 425.
  • the manufacturing process of the display panel 100 can omit the manufacturing process of the second dam 450 in the fourth embodiment.
  • the first glue 415 adopts the solid glue described in the foregoing embodiments
  • the second glue 425 adopts the solid glue described in the foregoing embodiments, and the technical effects thereof will not be repeated here.
  • the first glue 415 is attached to the non-binding region 120 on the surface of the driving substrate 200 where the first binding electrode 210 is located, or is attached to the display substrate 300
  • the second glue 425 and the conductive glue 430 arranged on the same layer are attached to the binding region 110 on the surface where the first binding electrode 210 of the driving substrate 200 is located, or the same
  • the conductive glue 430 arranged in layers is attached to the binding area 110 on the surface of the display substrate 300 where the second binding electrode 310 is located.
  • the driving substrate 200 and the display substrate 300 are connected with the adhesive layer 405 composed of the first adhesive 415 , the second adhesive 425 , and the conductive adhesive 430 .
  • the first glue 415 and the second glue 425 also have the function of maintaining the distance between the driving substrate 200 and the display substrate 300 .
  • the first glue 415 and The thickness of the second glue 425 ranges from 0.1 mm to 0.5 mm, preferably 0.2 mm.
  • the second adhesive 425 of this embodiment adopts the solid adhesive, it is arranged between the driving substrate 200 and the display substrate 300 in the form of a whole adhesive film, so it is necessary to Further, a through hole is opened in the area of the second glue 425 corresponding to the first binding electrode 210 and the second binding electrode 310 by laser. The through hole is filled with the conductive glue 430 and provides a space for electrical connection of the first binding electrode 210 and the second binding electrode 310 .
  • the specific creation method has been described in the foregoing embodiments, and will not be repeated here.
  • FIG. 18 is a top view of the display panel 100 of the present invention in the sixth embodiment
  • FIG. 19 is a cross-sectional view of the display panel 100 of the present invention along the H-H line of FIG. 18 , And with reference to Figure 1. It should be noted that, in the top view of the display panel 100 in FIG. 18 , the components inside the display panel 100 are particularly drawn with dotted lines to assist in describing this embodiment.
  • the material of the first adhesive 416 located in the non-binding area 120 of the display panel 100 includes the solid adhesive described in the previous embodiments, and the material located in the The material of the second glue 426 in the binding area 110 of the display panel 100 includes the solid glue described in the foregoing embodiments.
  • the first adhesive 416 and the second adhesive 426 are integrally formed, that is, the first adhesive 416 and the second adhesive Glue 426 adopts the same solid glue.
  • the first glue 416 and the second glue 426 use the solid glue described in the foregoing embodiments, and their technical effects will not be repeated here.
  • the first glue 416 and the second glue 426 are integrally attached to the conductive glue 430 disposed on the same layer on the surface of the driving substrate 200 where the first binding electrode 210 is located.
  • the non-binding region 120 , or the non-binding region 120 attached to the surface of the display substrate 300 where the second binding electrode 310 is located.
  • the driving substrate 200 and the display substrate 300 are connected with the adhesive layer 406 composed of the first adhesive 416 , the second adhesive 426 , and the conductive adhesive 430 .
  • the first glue 416 and the second glue 426 also have the function of maintaining the distance between the driving substrate 200 and the display substrate 300 .
  • the first glue 416 and the second glue 426 ranges from 0.1 mm to 0.5 mm, preferably 0.2 mm.
  • the second adhesive 426 of this embodiment adopts the solid adhesive, it is arranged between the driving substrate 200 and the display substrate 300 in the form of a whole adhesive film, so it is necessary to Further, a through hole is opened in the area of the second glue 426 corresponding to the first binding electrode 210 and the second binding electrode 310 by laser. The through hole is filled with the conductive glue 430 and provides a space for electrical connection of the first binding electrode 210 and the second binding electrode 310 .
  • the specific creation method has been described in the foregoing embodiments, and will not be repeated here.
  • FIG. 20 is a top view of another display panel 100 of the invention.
  • the display panel 100 may further include a plurality of display substrates 300 .
  • the plurality of display substrates 300 are arranged in an array on the driving substrate 200 according to the structure or manufacturing process described in any one of the foregoing embodiments, and are electrically connected to form the driving circuit.
  • a larger size of the display panel 100 can be obtained by splicing a plurality of the display substrates 300 .

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Abstract

一种显示面板（100）包括驱动基板（200）、显示基板（300）、以及连接层（400）。驱动基板（200）包括第一绑定电极（210）以及显示面板（100）的驱动电路。显示基板（300）包括第二绑定电极（310）以及显示面板（100）的显示单元。第二绑定电极（310）对应驱动基板（200）的第一绑定电极（210）。连接层（400）设置于驱动基板（200）以及显示基板（300）之间，并且包括导电胶（430）以及粘胶（400'）。导电胶（430）电性连接驱动基板（200）的第一绑定电极（210）以及显示基板（300）的第二绑定电极（310）使得驱动电路电性连接显示单元，粘胶（400'）连接驱动基板（200）以及显示基板（300）彼此面对的表面。

Description

显示面板 技术领域
本发明涉及显示技术领域，尤其涉及一种应用于子母板拼接技术的显示面板。
 背景技术
在一种应用于子母板拼接技术的显示面板中，母板为所述显示面板的驱动基板，子板为所述显示面板的显示基板。所述驱动基板与所述显示基板可以分别制造，再将所述驱动基板与所述显示基板彼此电性连接形成驱动回路，最终构成一个完整的显示面板。
所述驱动基板与所述显示基板各自具有对应的绑定电极，并且通过绑定（bonding）技术，将成对的电极以导电胶（例如银胶）粘接，以导通所述驱动基板与所述显示基板。
 技术问题
所述导电胶以及所述驱动基板与所述显示基板各自的所述绑定电极具有一定厚度。在所述驱动基板与所述显示基板之间，除了所述导电胶以及所述绑定电极之外，其余空间为仅具有空气的空穴。所述空穴内的空气将有可能因为环境的温度而产生热胀冷缩的现象，而影响所述驱动基板与所述显示基板之间的连接稳定性。当所述空穴内的空气受冷而收缩，所述驱动基板与所述显示基板会受到外界大气挤压，导致所述显示面板出现局部开裂。当所述空穴内的空气受热而膨胀，所述驱动基板与所述显示基板会受到内部空气挤压，而导致所述驱动基板与所述显示基板脱离所述导电胶的粘接，进而造成所示显示面板的所述驱动回路发生断路。
因此，在现有的应用于所述子母板拼接技术的所述显示面板中，因为通过所述导电胶粘接的所述驱动基板以及所述显示基板会存在所述空穴，这将会影响所述显示面板的可靠性，进而降低所述显示面板的使用寿命。
 技术解决方案
本发明提供应用于子母板拼接技术的一种显示面板，能够避免因为通过导电胶粘接的驱动基板以及显示基板形成空穴，进而使得所述显示面板的可靠性增加、并且延长所述显示面板的使用寿命。
本发明的所述显示面板包括驱动基板、显示基板、以及连接层。所述驱动基板包括第一绑定电极以及所述显示面板的驱动电路。所述显示基板包括第二绑定电极以及所述显示面板的显示单元。所述第二绑定电极对应所述驱动基板的第一绑定电极。所述连接层设置于所述驱动基板以及所述显示基板之间，并且包括导电胶以及粘胶。所述导电胶电性连接所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极使得所述驱动电路电性连接所述显示单元。所述粘胶连接所述驱动基板以及所述显示基板彼此面对的表面。
在一实施例中，所述粘胶的材料包括液态胶，以及所述连接层还包括围坝。所述围坝环绕所述粘胶的外周缘。所述粘胶填充于所述驱动基板、所述显示基板、以及所述围坝之间。
在本实施例中，所述围坝设有排气孔。
在本实施例中，所述显示面板包括绑定区以及非绑定区，所述绑定区环绕所述非绑定区。所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极位于所述显示面板的所述绑定区。所述连接层的所述粘胶包括第一粘胶以及第二粘胶。所述第一粘胶位于所述显示面板的非绑定区。所述第二粘胶位于所述显示面板的所述绑定区。
在本实施例中，所述围坝包括第一围坝以及第二围坝。所述第一围坝环绕所述第一粘胶的外周缘。所述第二围坝环绕所述第二粘胶的外周缘。
在本实施例中，所述第一围坝设有第一排气孔。
在本实施例中，所述第二围坝设有第二排气孔。
在一实施例中，所述粘胶的材料包括固态胶。所述粘胶包括通孔。所述通孔对应所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极，所述导电胶设置于所述通孔中。
在一实施例中，所述显示面板包括绑定区以及非绑定区，所述绑定区环绕所述非绑定区。所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极位于所述显示面板的所述绑定区。所述连接层的所述粘胶包括第一粘胶以及第二粘胶。所述第一粘胶位于所述显示面板的非绑定区。所述第二粘胶位于所述显示面板的所述绑定区。
在本实施例中，所述第一粘胶的材料包括液态胶，以及所述第二粘胶的材料包括固态胶。所述第二粘胶环绕所述第一粘胶的外周缘。所述第二粘胶包括通孔。所述通孔对应所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极。所述导电胶设置于所述通孔中。
或是，在本实施例中，所述第一粘胶的材料包括固态胶，以及所述第二粘胶的材料包括液态胶。所述第二粘胶环绕所述第一粘胶的外周缘。所述第二围坝环绕所述第二粘胶的外周缘。
在本实施例中，所述第二围坝设有第二排气孔。
在一实施例中，所述液态胶包括光固化液态胶。
在一实施例中，所述固态胶包括透明光学胶带。
在一实施例中，所述显示面板还包括多个显示基板，所述多个显示基板阵列排布于所述驱动基板上。
在本实施例中，所述连接层设置于所述驱动基板以及所述多个显示基板之间，以及所述连接层的所述粘胶连接所述驱动基板以及所述多个显示基板彼此面对的表面。
 有益效果
相较于既有技术中仅通过导电胶粘接驱动基板与显示基板的显示面板，本发明的所述显示面板在所述驱动基板与所述显示基板之间以所述粘胶填满，即所述驱动基板与所述显示基板之间不存在具有空气的空穴。因此，本发明的所述粘胶填满了所述驱动基板与所述显示基板之间的所述空穴、并且增强了所述驱动基板与所述显示基板之间的粘接力，进而增加所述显示面板的可靠性、并且延长所述显示面板的使用寿命。同时，在所述粘胶采用所述液态胶时，配合所述围坝上的所述排气孔，当所述显示基板压合于所述驱动基板时，位于所述驱动基板与所述显示基板之间的空气将通过所述排气孔排出，有效辅助本发明的所述显示面板的制造。或是，在所述粘胶采用所述固态胶时，所述粘胶能进一步地提升所述显示面板的制造效率。
 附图说明
图1为本发明的一种显示面板的俯视图。
图2为本发明的所述显示面板的驱动基板的俯视图。
图3为本发明的所述显示面板的显示基板的仰视图。
图4为本发明的所述显示面板沿图1的A-A线剖切的一种剖面图。
图5为本发明的所述显示面板沿图1的A-A线剖切的另一种剖面图。
图6为本发明的所述显示面板在第一实施例的俯视图。
图7为本发明的所述显示面板沿图6的B-B线剖切的剖面图。
图8为本发明的所述显示面板在第二实施例的俯视图。
图9为本发明的所述显示面板沿图8的C-C线剖切的剖面图。
图10为为图8中的所述显示面板的连接层的部分视图D。
图11为本发明的所述显示面板的所述连接层沿图10的C-C线剖切的部分剖面图。
图12为本发明的所述显示面板在第三实施例的俯视图。
图13为本发明的所述显示面板沿图12的E-E线剖切的剖面图。
图14为本发明的所述显示面板在第四实施例的俯视图。
图15为本发明的所述显示面板沿图14的F-F线剖切的剖面图。
图16为本发明的所述显示面板在第五实施例的俯视图。
图17为本发明的所述显示面板沿图16的G-G线剖切的剖面图。
图18为本发明的所述显示面板在第六实施例的俯视图。
图19为本发明的所述显示面板沿图18的H-H线剖切的剖面图。
图20为本发明的另一种显示面板的俯视图。
 本发明的实施方式
为了让本发明之上述及其他目的、特征、优点能更明显易懂，下文将特举本发明优选实施例，并配合附图，作详细说明如下。
本发明提供一种应用于子母板拼接技术的显示面板。请参照图1，其为本发明的所述显示面板100的俯视图。配合参照图2以及图3，图2为本发明的所述显示面板100的驱动基板200的俯视视图，并且图3为本发明的所述显示面板100的显示基板300的仰视图。在所述子母板拼接技术中，母板为所述显示面板100的驱动基板200，子板为所述显示面板100的显示基板300。一般而言，所述驱动基板200包括所述显示面板100的驱动电路，所述显示基板300包括所述显示面板100的显示单元。举例来说，所述显示单元为有机发光晶体管（OLED）。当所述驱动基板200与所述显示基板300彼此电性连接而形成驱动回路时，所述显示单元便能够通过所述驱动电路而执行显示工作，最终构成一个完整的OLED显示面板。
如图1所示，所述显示面板100包括绑定区110以及非绑定区120。如图2所示，所述驱动基板200包括第一绑定电极210，并且所述第一绑定电极210位于所述显示面板100的绑定区110。如图3所示，所述显示基板300包括第二绑定电极310，并且所述第二绑定电极310位于所述显示面板100的所述绑定区110。为了将所述驱动基板200与所述显示基板300彼此电性连接以形成驱动回路，所述显示基板300的所述第二绑定电极310对应所述驱动基板200的第一绑定电极210。
请参照图4，其为本发明的所述显示面板100沿图1的A-A线剖切的一种剖面图。本发明的所述显示面板100还包括连接层400。所述连接层400设置于所述驱动基板200以及所述显示基板300之间，并且用以在所述子母板拼接技术中连接所述驱动基板200以及所述显示基板300。所述连接层400包括粘胶400’以及导电胶430。在所述连接层400中，所述粘胶400’连接所述驱动基板200以及所述显示基板300彼此面对的表面。另外，所述连接层400的所述导电胶430电性连接所述驱动基板200的所述第一绑定电极210以及所述显示基板300的所述第二绑定电极310，如此形成所述显示面板100的所述驱动回路。
在所述子母板拼接技术中，通过压合设备，将所述显示基板300的所述第二绑定电极310所在的表面，朝向所述驱动基板200的所述第一绑定电极210所在的表面压合。如此，所述驱动基板200的所述第一绑定电极210电性连接所述显示基板300的所述第二绑定电极310，并且所述第一粘胶411以及第二粘胶412无缝隙地粘接所述驱动基板200以及所述显示基板300。
请参照图5，其为本发明的所述显示面板100沿图1的A-A线剖切的另一种剖面图。本实施例相较于图4所示的结构差异在于，所述连接层400的所述粘胶400’包括第一粘胶410、第二粘胶420。在所述连接层400中，所述第一粘胶410位于所述显示面板100的非绑定区120，所述第二粘胶420位于所述显示面板100的所述绑定区110。所述第二粘胶412位于所述显示面板100的所述绑定区110。所述第一粘胶411以及所述第二粘胶412的材料或是配置方式等，可以针对所述显示面板100的制造需求而进行适应性的调整。
相较于既有技术中仅通过导电胶粘接驱动基板与显示基板的显示面板，本发明的所述显示面板100在所述驱动基板200与所述显示基板300之间以所述粘胶400’的所述第一粘胶410以及所述第二粘胶420填满，即所述驱动基板200与所述显示基板300之间不存在具有空气的空穴。由于所述驱动基板200与所述显示基板300之间不具有空气，因此所述显示面板100不会受到空气热胀冷缩引起的局部开裂或是所述驱动回路断路问题的影响。因此，本发明的所述第一粘胶410以及所述第二粘胶420填满了所述驱动基板200与所述显示基板300之间的所述空穴、并且增强了所述驱动基板200与所述显示基板300之间的粘接力，进而增加所述显示面板100的可靠性、并且延长所述显示面板100的使用寿命。
本发明依据所述显示面板100中的各个元件的不同的结构以及材料做详细说明如下。
第一实施例
请参照图6以及图7，图6为本发明的所述显示面板100在第一实施例的俯视图，图7为本发明的所述显示面板100沿图6的B-B线剖切的剖面图，并且配合参照图1。需要说明的是，图6的所述显示面板100的俯视图特别以虚线绘示出所述显示面板100内部的元件，以辅助描述本实施例。
在本实施例中，因应特定制程需要，位于所述显示面板100的所述非绑定区120中的所述第一粘胶411的材料包括液态胶，以及位于所述显示面板100的所述绑定区110中的所述第二粘胶421的材料包括液态胶。举例来说，所述液态胶包括光学透明树脂（optical clear resin，OCR），其初始状态为液态，并且能通过光固化或是干燥固化的方式定型。
由于所述第一粘胶411以及所述第二粘胶421的材料采用流动性佳的所述液态胶，其能够填平所述驱动基板200的所述第一绑定电极210所在的所述表面上的空隙，填平所述显示基板300的所述第二绑定电极310所在的所述表面上的空隙，并且能自主地流动至多个所述第一绑定电极210之间以及多个所述第二绑定电极310之间。
为了将高流动性的所述第一粘胶411限制于所述非绑定区120中，以及将高流动性的所述第二粘胶421限制于所述绑定区110中，所述连接层401还包括第一围坝440以及第二围坝450。所述第一围坝440环绕所述非绑定区120的外周缘。所述第二围坝450环绕所述绑定区110的外周缘。
所述第一围坝440以及所述第二围坝450的材料包括光学透明树脂、光固化型墨水（photocurable ink）、聚苯乙烯（polystyrene）、透明光学胶带（optical clear adhesive，OCA）、或是异方性导电膜（anisotropic conductive film，ACF）。在本实施例中，通过喷涂或点胶工艺，将上述材料依据指定位置形成于所述驱动基板200的所述第一绑定电极210所在的所述表面上。
在所述第一围坝440以及所述第二围坝450形成后，所述第一粘胶411涂布于所述第一围坝440在所述驱动基板200的所述第一绑定电极210所在的所述表面上围出的区域，并且所述第二粘胶421涂布于所述第二围坝450与所述第一围坝440在所述驱动基板200的所述第一绑定电极210所在的所述表面上围出的区域。同时，所述导电胶430涂布于在所述显示基板300的所述第二绑定电极310上。最后，再以所述第一粘胶411、所述第二粘胶421、所述导电胶430、所述第一围坝440、以及所述第二围坝450所组成的所述粘结层401连接所述驱动基板200与所述显示基板300。
在本实施例中，所述第一围坝440以及所述第二围坝450同时还具备维持所述驱动基板200与所述显示基板300的间距的作用。考虑到所述驱动基板200的所述第一绑定电极210、所述显示基板300的所述第二绑定电极310、以及所述导电胶430的总和厚度，所述第一围坝440以及所述第二围坝450的厚度范围在0.1～0.5毫米（millimeter）之间，优选地设定为0.2毫米。同时，为了所述第一围坝440以及所述第二围坝450的稳固性，所述第一围坝440以及所述第二围坝450的宽度范围在0.1～1毫米之间，优选地设定为0.5毫米。
考虑到所述驱动基板200与所述显示基板300压合的过程中，有可能会将空气连带着所述第一粘胶411以及所述第二粘胶421限制在所述驱动基板200以及所述显示基板300之间，因此，在本实施例中，所述第一围坝440形成有第一排气孔441，以及所述第二围坝450形成有第二排气孔451。因此，当所述显示基板300压合于所述驱动基板200时，位于所述驱动基板200与所述显示基板300之间的空气将通过所述第一排气孔441以及所述第二排气孔451排出，有效辅助本发明的所述显示面板100的制造。所述第一排气孔441以及所述第二排气孔451可以为单个或多个。所述第一排气孔441以及所述第二排气孔451于所述第一围坝440以及所述第二围坝450上的位置不限于如图6所示的位置，可以设置在角落、或是对称、不对称、或是随机设置。另外，所述第一围坝440以及所述第二围坝450的所述第一排气孔441以及所述第二排气孔451设置的位置也可以依据所述驱动基板200与所述显示基板300压合的方向设置。
另外，需要说明的是，由于所述第二排气孔451的设置，在所述显示面板100的制造过程中，所述第二粘胶421也能够通过所述第二排气孔451，在所述驱动基板200与所述显示基板300压合后，再被注入到所述驱动基板200、所述显示基板300、所述第一围坝440、以及所述第二围坝450之间。
第二实施例
请参照图8以及图9，图8为本发明的所述显示面板100在第二实施例的俯视图，图9为本发明的所述显示面板100沿图8的C-C线剖切的剖面图，并且配合参照图1。需要说明的是，图8的所述显示面板100的俯视图特别以虚线绘示出所述显示面板100内部的元件，以辅助描述本实施例。
在本实施例中，因应特定制程需要，位于所述显示面板100的所述非绑定区120中的所述第一粘胶412的材料包括前述实施例所描述的液态胶，以及位于所述显示面板100的所述绑定区110中的所述第二粘胶422的材料包括固态胶。举例来说，所述固态胶包括亚克力胶带、硅树脂胶带、或是透明光学胶带。
所述第一粘胶412采用前述实施例所描述的液态胶，其技术效果在此不多做赘述。由于所述第二粘胶422采用所述固态胶，所述第二粘胶422可以快速地贴附于所述驱动基板200的所述第一绑定电极210所在的所述表面上或是所述显示基板300的所述第二绑定电极310所在的所述表面上，以使得所述显示面板100的制程能够弹性调整。例如，当采用所述固态胶的所述第二粘胶422贴附于所述显示基板300上时，便能够与涂布于所述驱动基板200上、采用所述液态胶的所述第一粘胶412，在两个并列的制程中同时制备，以缩短所述显示面板100的整体制造时间。
为了将高流动性的所述第一粘胶412限制于所述非绑定区120中所述连接层402还包括第一围坝440。所述第一围坝440环绕所述非绑定区120的外周缘。
所述第一围坝440的材料包括前述实施例所描述的光学透明树脂、光固化型墨水、聚苯乙烯、透明光学胶带、或是异方性导电膜。在本实施例中，通过喷涂或点胶工艺，将上述材料依据指定位置形成于所述驱动基板200的所述第一绑定电极210所在的所述表面上。
在所述第一围坝440形成后，所述第一粘胶412涂布于所述第一围坝440在所述驱动基板200的所述第一绑定电极210所在的所述表面上围出的区域，并且所述第二粘胶422与同层设置的导电胶430贴附于所述驱动基板200的所述第一绑定电极210所在的所述表面上的所述绑定区110，或是所述第二粘胶422与同层设置的所述导电胶430贴附于所述显示基板300的所述第二绑定电极310所在的所述表面上的所述绑定区110。最后，再以所述第一粘胶412、所述第二粘胶422、所述导电胶430、以及所述第一围坝440所组成的所述粘结层402连接所述驱动基板200与所述显示基板300。
在本实施例中，所述第一围坝440以及所述第二粘胶422同时还具备维持所述驱动基板200与所述显示基板300的间距的作用。考虑到所述驱动基板200的所述第一绑定电极210、所述显示基板300的所述第二绑定电极310、以及所述导电胶430的总和厚度，所述第一围坝440的厚度范围在0.1～0.5毫米之间，并且所述第二粘胶422的厚度范围在0.1～0.5毫米之间，优选地设定为0.2毫米。同时，为了所述第一围坝440的稳固性，所述第一围坝440的宽度范围在0.1～1毫米之间，优选地设定为0.5毫米。
考虑到所述驱动基板200与所述显示基板300压合的过程中，有可能会将空气连带着所述第一粘胶412限制在所述驱动基板200以及所述显示基板300之间，因此，在本实施例中，所述第一围坝440形成有第一排气孔441。因此，当所述显示基板300压合于所述驱动基板200时，位于所述驱动基板200与所述显示基板300之间的空气将通过所述第一排气孔441排出，有效辅助本发明的所述显示面板100的制造。所述第一排气孔441可以为单个或多个。所述第一排气孔441于所述第一围坝440上的位置不限于如图8所示的位置，可以设置在角落、或是对称、不对称、或是随机设置。另外，所述第一围坝440的所述第一排气孔441设置的位置也可以依据所述驱动基板200与所述显示基板300压合的方向设置。
请参照图10以及图11，图10为图8中的所述显示面板100的所述连接层402的部分视图D，并且图11为本发明的所述显示面板100的所述连接层402沿图10的C-C线剖切的局部剖面图。需要注意的是，由于本实施例的所述第二粘胶422采用所述固态胶，其是以整片胶膜的方式设置在所述驱动基板200以及所述显示基板300之间，所述驱动基板200的所述第一绑定电极210以及所述显示基板300的所述第二绑定电极310将会被所述第二粘胶422阻隔而无法通过所述导电胶430电性连接。因此，在所述第二粘胶422贴附于所述驱动基板200的所述第一绑定电极210所在的所述表面上，或是贴附于所述显示基板300的所述第二绑定电极310所在的所述表面上后，所述第二粘胶422通过激光在所述第二粘胶422对应所述第一绑定电极210以及所述第二绑定电极310的区域开设通孔460。所述通孔460填充有所述导电胶430，并且提供所述第一绑定电极210以及所述第二绑定电极310电性连接的空间。
第三实施例
请参照图12以及图13，图12为本发明的所述显示面板100在第三实施例的俯视图，图13为本发明的所述显示面板100沿图12的E-E线剖切的剖面图，并且配合参照图1。需要说明的是，图12的所述显示面板100的俯视图特别以虚线绘示出所述显示面板100内部的元件，以辅助描述本实施例。
在本实施例中，因应特定制程需要，位于所述显示面板100的所述非绑定区120中的所述第一粘胶413的材料包括前述实施例所描述的液态胶，以及位于所述显示面板100的所述绑定区110中的所述第二粘胶423的材料包括前述实施例所描述的液态胶。
相较于第一实施例，本实施例为了简化制程，所述第一粘胶413与所述第二粘胶423被设置为一体成形，即所述第一粘胶413与所述第二粘胶423采用相同的液态胶。所述第一粘胶413以及所述第二粘胶423采用前述实施例所描述的液态胶，其技术效果在此不多做赘述。
为了将高流动性的所述第一粘胶413以及所述第二粘胶423限制于所述非绑定区120以及所述绑定区110中，所述连接层403还包括第二围坝450。所述第二围坝450环绕所述绑定区110的外周缘。
所述第二围坝450的材料包括前述实施例所描述的光学透明树脂、光固化型墨水、聚苯乙烯、透明光学胶带、或是异方性导电膜。在本实施例中，通过喷涂或点胶工艺，将上述材料依据指定位置形成于所述驱动基板200的所述第一绑定电极210所在的所述表面上。
在所述第二围坝450形成后，所述第一粘胶413以及所述第二粘胶423一体地涂布于所述第二围坝450在所述驱动基板200的所述第一绑定电极210所在的所述表面上围出的区域。同时，所述导电胶430涂布于在所述显示基板300的所述第二绑定电极310上。最后，再以所述第一粘胶413、所述第二粘胶423、所述导电胶430、以及所述第二围坝450所组成的所述粘结层403连接所述驱动基板200与所述显示基板300。
在本实施例中，所述第二围坝450同时还具备维持所述驱动基板200与所述显示基板300的间距的作用。考虑到所述驱动基板200的所述第一绑定电极210、所述显示基板300的所述第二绑定电极310、以及所述导电胶430的总和厚度，所述第二围坝450的厚度范围在0.1～0.5毫米（millimeter）之间，优选地设定为0.2毫米。同时，为了所述第二围坝450的稳固性，所述第二围坝450的宽度范围在0.1～1毫米之间，优选地设定为0.5毫米。
考虑到所述驱动基板200与所述显示基板300压合的过程中，有可能会将空气连带着所述第一粘胶413以及所述第二粘胶423限制在所述驱动基板200以及所述显示基板300之间，因此，在本实施例中，所述第二围坝450形成有第二排气孔451。因此，当所述显示基板300压合于所述驱动基板200时，位于所述驱动基板200与所述显示基板300之间的空气将通过所述第二排气孔451排出，有效辅助本发明的所述显示面板100的制造。所述第二排气孔451可以为单个或多个。所述第二排气孔451于所述第二围坝450上的位置不限于如图12所示的位置，可以设置在角落、或是对称、不对称、或是随机设置。另外，所述第二围坝450的所述第二排气孔451设置的位置也可以依据所述驱动基板200与所述显示基板300压合的方向设置。
另外，需要说明的是，由于所述第二排气孔451的设置，在所述显示面板100的制造过程中，相同材料的所述第一粘胶413以及所述第二粘胶423也能够通过所述第二排气孔451，在所述驱动基板200与所述显示基板300压合后，再被注入到所述驱动基板200、所述显示基板300、以及所述第二围坝450之间。
第四实施例
请参照图14以及图15，图14为本发明的所述显示面板100在第四实施例的俯视图，图15为本发明的所述显示面板100沿图14的F-F线剖切的剖面图，并且配合参照图1。需要说明的是，图14的所述显示面板100的俯视图特别以虚线绘示出所述显示面板100内部的元件，以辅助描述本实施例。
在本实施例中，因应特定制程需要，位于所述显示面板100的所述非绑定区120中的所述第一粘胶414的材料包括前述实施例所描述的固态胶，以及位于所述显示面板100的所述绑定区110中的所述第二粘胶424的材料包括前述实施例所描述的液态胶。
相较于第一实施例，本实施例为了简化制程，位于所述显示面板100的所述非绑定区120的包括所述液态胶的所述第一粘胶413被置换为包括所述固态胶的所述第一粘胶414。如此，所述显示面板100的制造过程能够省去第一实施例中的所述第一围坝440的制程。所述第一粘胶414采用前述实施例所描述的固态胶，以及所述第二粘胶424采用前述实施例所描述的液态胶，其技术效果在此不多做赘述。
为了将高流动性的所述第二粘胶424限制于所述绑定区110中，所述连接层404还包括第二围坝450。所述第二围坝450环绕所述绑定区110的外周缘。
所述第二围坝450的材料包括前述实施例所描述的光学透明树脂、光固化型墨水、聚苯乙烯、透明光学胶带、或是异方性导电膜。在本实施例中，通过喷涂或点胶工艺，将上述材料依据指定位置形成于所述驱动基板200的所述第一绑定电极210所在的所述表面上。
在所述第二围坝450形成后，所述第一粘胶414贴附于所述驱动基板200的所述第一绑定电极210所在的所述表面上的所述非绑定区120，并且所述第二粘胶424涂布于所述第二围坝450与所述第一粘胶414在所述驱动基板200的所述第一绑定电极210所在的所述表面上围出的区域。同时，所述导电胶430涂布于在所述显示基板300的所述第二绑定电极310上。最后，再以所述第一粘胶414、所述第二粘胶424、所述导电胶430、以及所述第二围坝450所组成的所述粘结层404连接所述驱动基板200与所述显示基板300。
在本实施例中，所述第一粘胶414以及所述第二围坝450同时还具备维持所述驱动基板200与所述显示基板300的间距的作用。考虑到所述驱动基板200的所述第一绑定电极210、所述显示基板300的所述第二绑定电极310、以及所述导电胶430的总和厚度，所述第一粘胶414的厚度范围在0.1～0.5毫米之间，并且所述第二围坝450的厚度范围在0.1～0.5毫米之间，优选地设定为0.2毫米。同时，为了所述第二围坝450的稳固性，所述第二围坝450的宽度范围在0.1～1毫米之间，优选地设定为0.5毫米。
考虑到所述驱动基板200与所述显示基板300压合的过程中，有可能会将空气连带着所述第一粘胶412限制在所述驱动基板200以及所述显示基板300之间，因此，在本实施例中，所述第二围坝450形成有第二排气孔451。因此，当所述显示基板300压合于所述驱动基板200时，位于所述驱动基板200与所述显示基板300之间的空气将通过所述第二排气孔451排出，有效辅助本发明的所述显示面板100的制造。所述第二排气孔451可以为单个或多个。所述第二排气孔451于所述第二围坝450上的位置不限于如图14所示的位置，可以设置在角落、或是对称、不对称、或是随机设置。另外，所述第二围坝450的所述第二排气孔451设置的位置也可以依据所述驱动基板200与所述显示基板300压合的方向设置。
另外，需要说明的是，由于所述第二排气孔451的设置，在所述显示面板100的制造过程中，相同材料的所述第一粘胶413以及所述第二粘胶423也能够通过所述第二排气孔451，在所述驱动基板200与所述显示基板300压合后，再被注入到所述驱动基板200、所述显示基板300、所述第一粘胶414、以及所述第二围坝450之间。
第五实施例
请参照图16以及图17，图16为本发明的所述显示面板100在第五实施例的俯视图，图17为本发明的所述显示面板100沿图16的G-G线剖切的剖面图，并且配合参照图1。需要说明的是，图16的所述显示面板100的俯视图特别以虚线绘示出所述显示面板100内部的元件，以辅助描述本实施例。
在本实施例中，因应特定制程需要，位于所述显示面板100的所述非绑定区120中的所述第一粘胶415的材料包括前述实施例所描述的固态胶，以及位于所述显示面板100的所述绑定区110中的所述第二粘胶425的材料包括前述实施例所描述的固态胶。
相较于第四实施例，本实施例为了简化制程，位于所述显示面板100的所述绑定区120的包括所述液态胶的所述第二粘胶424被置换为包括所述固态胶的所述第二粘胶425。如此，所述显示面板100的制造过程能够省去第四实施例中的所述第二围坝450的制程。所述第一粘胶415采用前述实施例所描述的固态胶，以及所述第二粘胶425采用前述实施例所描述的固态胶，其技术效果在此不多做赘述。
所述第一粘胶415贴附于所述驱动基板200的所述第一绑定电极210所在的所述表面上的所述非绑定区120，或是贴附于所述显示基板300的所述第二绑定电极310所在的所述表面上的所述非绑定区120。所述第二粘胶425与同层设置的导电胶430贴附于所述驱动基板200的所述第一绑定电极210所在的所述表面上的所述绑定区110，或是与同层设置的所述导电胶430贴附于所述显示基板300的所述第二绑定电极310所在的所述表面上的所述绑定区110。最后，再以所述第一粘胶415、所述第二粘胶425、以及所述导电胶430所组成的所述粘结层405连接所述驱动基板200与所述显示基板300。
在本实施例中，所述第一粘胶415以及所述第二粘胶425同时还具备维持所述驱动基板200与所述显示基板300的间距的作用。考虑到所述驱动基板200的所述第一绑定电极210、所述显示基板300的所述第二绑定电极310、以及所述导电胶430的总和厚度，所述第一粘胶415以及所述第二粘胶425的厚度范围在0.1～0.5毫米之间，优选地设定为0.2毫米。
需要注意的是，由于本实施例的所述第二粘胶425采用所述固态胶，其是以整片胶膜的方式设置在所述驱动基板200以及所述显示基板300之间，因此需要进一步地通过激光在所述第二粘胶425对应所述第一绑定电极210以及所述第二绑定电极310的区域开设通孔。所述通孔填充有所述导电胶430，并且提供所述第一绑定电极210以及所述第二绑定电极310电性连接的空间。具体的开设方法已描述于前述实施例，在此不多做赘述。
第六实施例
请参照图18以及图19，图18为本发明的所述显示面板100在第六实施例的俯视图，图19为本发明的所述显示面板100沿图18的H-H线剖切的剖面图，并且配合参照图1。需要说明的是，图18的所述显示面板100的俯视图特别以虚线绘示出所述显示面板100内部的元件，以辅助描述本实施例。
在本实施例中，因应特定制程需要，位于所述显示面板100的所述非绑定区120中的所述第一粘胶416的材料包括前述实施例所描述的固态胶，以及位于所述显示面板100的所述绑定区110中的所述第二粘胶426的材料包括前述实施例所描述的固态胶。
相较于第五实施例，本实施例为了简化制程，所述第一粘胶416与所述第二粘胶426被设置为一体成形，即所述第一粘胶416与所述第二粘胶426采用相同的固态胶。所述第一粘胶416以及所述第二粘胶426采用前述实施例所描述的固态胶，其技术效果在此不多做赘述。
所述第一粘胶416以及所述第二粘胶426一体地与同层设置的导电胶430贴附于所述驱动基板200的所述第一绑定电极210所在的所述表面上的所述非绑定区120，或是贴附于所述显示基板300的所述第二绑定电极310所在的所述表面上的所述非绑定区120。最后，再以所述第一粘胶416、所述第二粘胶426、以及所述导电胶430所组成的所述粘结层406连接所述驱动基板200与所述显示基板300。
在本实施例中，所述第一粘胶416以及所述第二粘胶426同时还具备维持所述驱动基板200与所述显示基板300的间距的作用。考虑到所述驱动基板200的所述第一绑定电极210、所述显示基板300的所述第二绑定电极310、以及所述导电胶430的总和厚度，所述第一粘胶416以及所述第二粘胶426的厚度范围在0.1～0.5毫米之间，优选地设定为0.2毫米。
需要注意的是，由于本实施例的所述第二粘胶426采用所述固态胶，其是以整片胶膜的方式设置在所述驱动基板200以及所述显示基板300之间，因此需要进一步地通过激光在所述第二粘胶426对应所述第一绑定电极210以及所述第二绑定电极310的区域开设通孔。所述通孔填充有所述导电胶430，并且提供所述第一绑定电极210以及所述第二绑定电极310电性连接的空间。具体的开设方法已描述于前述实施例，在此不多做赘述。
第七实施例
请参照图20，其发明的另一种显示面板100的俯视图。在应用于所述子母板拼接技术的所述显示面板100中，所述显示面板100还可以包括多个显示基板300。
在本实施例中，所述多个显示基板300依据前述任一实施例所说明的结构或制程，阵列排布于所述驱动基板200上，并且与其电性连接而形成所述驱动回路。所述显示面板100除了可以增加可靠性以及延长使用寿命之外，更可以通过多个所述显示基板300的拼接获得更大尺寸的所述显示面板100。
以上仅是本发明的优选实施方式，应当指出，对于所属领域技术人员，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (20)

  1. 一种显示面板，包括：
    驱动基板，包括第一绑定电极以及所述显示面板的驱动电路；
    显示基板，包括第二绑定电极以及所述显示面板的显示单元，所述第二绑定电极对应所述驱动基板的第一绑定电极；以及
    连接层，设置于所述驱动基板以及所述显示基板之间，并且包括导电胶以及粘胶，所述导电胶电性连接所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极使得所述驱动电路电性连接所述显示单元，所述粘胶连接所述驱动基板以及所述显示基板彼此面对的表面。
  2. 如权利要求1所述的显示面板，其中，所述粘胶的材料包括液态胶；以及
    所述连接层还包括围坝，所述围坝环绕所述粘胶的外周缘，所述粘胶填充于所述驱动基板、所述显示基板、以及所述围坝之间。
  3. 如权利要求2所述的显示面板，其中，所述围坝设有排气孔。
  4. 如权利要求2所述的显示面板，其中，所述液态胶包括光固化液态胶。
  5. 如权利要求2所述的显示面板，其中，所述显示面板包括绑定区以及非绑定区，所述绑定区环绕所述非绑定区；
    所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极位于所述显示面板的所述绑定区；以及
    所述连接层的所述粘胶包括第一粘胶以及第二粘胶，所述第一粘胶位于所述显示面板的非绑定区，以及所述第二粘胶位于所述显示面板的所述绑定区。
  6. 如权利要求5所述的显示面板，其中，所述围坝包括第一围坝以及第二围坝，所述第一围坝环绕所述第一粘胶的外周缘，以及所述第二围坝环绕所述第二粘胶的外周缘。
  7. 如权利要求6所述的显示面板，其中，所述第一围坝设有第一排气孔。
  8. 如权利要求6所述的显示面板，其中，所述第二围坝设有第二排气孔。
  9. 如权利要求1所述的显示面板，其中，所述粘胶的材料包括固态胶；以及
    所述粘胶包括通孔，所述通孔对应所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极，所述导电胶设置于所述通孔中。
  10. 如权利要求9所述的显示面板，其中，所述固态胶包括透明光学胶带。
  11. 如权利要求1所述的显示面板，其中，所述显示面板包括绑定区以及非绑定区，所述绑定区环绕所述非绑定区；
    所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极位于所述显示面板的所述绑定区；以及
    所述连接层的所述粘胶包括第一粘胶以及第二粘胶，所述第一粘胶位于所述显示面板的非绑定区，以及所述第二粘胶位于所述显示面板的所述绑定区。
  12. 如权利要求11所述的显示面板，其中，所述第一粘胶的材料包括液态胶，以及所述第二粘胶的材料包括固态胶；以及
    所述第二粘胶环绕所述第一粘胶的外周缘，所述第二粘胶包括通孔，所述通孔对应所述驱动基板的所述第一绑定电极以及所述显示基板的所述第二绑定电极，所述导电胶设置于所述通孔中。
  13. 如权利要求12所述的显示面板，其中，所述液态胶包括光固化液态胶。
  14. 如权利要求12所述的显示面板，其中，所述固态胶包括透明光学胶带。
  15. 如权利要求11所述的显示面板，其中，所述第一粘胶的材料包括固态胶，以及所述第二粘胶的材料包括液态胶；以及
    所述第二粘胶环绕所述第一粘胶的外周缘，所述第二围坝环绕所述第二粘胶的外周缘。
  16. 如权利要求15所述的显示面板，其中，所述第二围坝设有第二排气孔。
  17. 如权利要求15所述的显示面板，其中，所述液态胶包括光固化液态胶。
  18. 如权利要求15所述的显示面板，其中，所述固态胶包括透明光学胶带。
  19. 如权利要求1所述的显示面板，其中，所述显示面板还包括多个显示基板，所述多个显示基板阵列排布于所述驱动基板上。
  20. 如权利要求19所述的显示面板，其中，所述连接层设置于所述驱动基板以及所述多个显示基板之间，以及所述连接层的所述粘胶连接所述驱动基板以及所述多个显示基板彼此面对的表面。
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