CN108987439A - Display panel and display device - Google Patents

Display panel and display device Download PDF

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Publication number
CN108987439A
CN108987439A CN201810646068.5A CN201810646068A CN108987439A CN 108987439 A CN108987439 A CN 108987439A CN 201810646068 A CN201810646068 A CN 201810646068A CN 108987439 A CN108987439 A CN 108987439A
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CN
China
Prior art keywords
joint surface
connector
display panel
display
shape
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201810646068.5A
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Chinese (zh)
Inventor
颜伟男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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 Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to CN201810646068.5A priority Critical patent/CN108987439A/en
Publication of CN108987439A publication Critical patent/CN108987439A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/131Interconnections, e.g. wiring lines or terminals
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10KORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/10OLED displays
    • H10K59/12Active-matrix OLED [AMOLED] displays
    • H10K59/131Interconnections, e.g. wiring lines or terminals
    • H10K59/1315Interconnections, e.g. wiring lines or terminals comprising structures specially adapted for lowering the resistance

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The present invention provides a kind of display panel and display device, including the first connector and driver module on flexible substrates is arranged, driver module includes the second connector, by setting concave panel for the first joint surface of the first connector, the first joint surface is improved to the capture rate of conducting particles;Convex is set by the second joint surface of the second connector, the contact area of conducting particles and the second joint surface is increased, reduces signal transfer impedance.

Description

Display panel and display device
Technical field
The present invention relates to a kind of field of display technology, in particular to a kind of display panel and display device.
Background technique
With the development of information-intensive society, the demand of display panel is constantly increasing.Existing display panel has OLED aobvious Show panel.
Wherein, display panel includes flexible wired flexible base board, setting display module on flexible substrates and display Drive module.When display panel work, driver module is needed to provide display signal and control signal to display module.Cause The two is bonded together by this needs, forms display panel.When binding engagement, by heating, conducting resinl by flexible base board and Bound object is bonded together.The joint surface of flexible base board and bound object (driver module) passes through the conduction in conducting resinl Particle realization electrically conducts.
But in the engagement of the prior art, Fig. 1, upper first connector, 12 ' of 11 ' of flexible base board and display driving are please referred to 14 ' of the second connector of 13 ' of module hot pressing and during, due to the engagement of 14 ' of 12 ' of the first connector and the second connector Face is plane, promotes conducting particles that can tend to the outside for being distributed in joint surface with the spilling of 15 ' of conducting resinl, or escape from Joint surface causes the conducting particles of capture to reduce, influences signal transmission performance.
Summary of the invention
The embodiment of the present invention provides a kind of display panel and display device;To solve to show driving in existing display panel The low technical problem of the conducting particles capture rate of first connector in second connector and flexible base board in module.
The embodiment of the present invention provides a kind of display panel comprising:
Flexible base board, including the bonding land and viewing area for being engaged with driver module;
Display module, setting is in the display area;
First connector is electrically connected at the display module and is arranged in the bonding land;And
The driver module is electrically connected first connector;The driver module includes the second connection Body, second connector are fixed and are electrically connected by conducting resinl and first connector;
Wherein end face of first connector towards second connector is the first joint surface, second connector End face towards first connector and for connecting with first joint surface is the second joint surface;First joint surface For concave panel, second joint surface is convex.
In display panel of the invention, the cross sectional shape on second joint surface is dome arcuation or inverted ladder shape, institute The cross sectional shape for stating the first joint surface is corresponding for concave arc shape or inverted ladder shape.
In the first embodiment of display panel of the invention, be arranged on second joint surface it is fluted, described In the cross-wise direction on two joint surfaces, the groove is along the second engagement face interval and is uniformly arranged.
In the first embodiment of display panel of the invention, at least two grooves, there are two grooves It is separately positioned on the edge of second joint surface two sides.
In the first embodiment of display panel of the invention, link slot is provided between the groove.
In the second embodiment of display panel of the invention, second joint surface is recessed with the groove of trough shape, In the cross-wise direction on second joint surface, it is linear that the adjacent round and smooth connection of groove forms a wave.
In the second embodiment of display panel of the invention, at least two grooves, there are two grooves It is separately positioned on the edge of second joint surface two sides.
The invention further relates to a kind of display devices, including backlight module and the display surface being arranged on the backlight module Plate, the display panel include:
Flexible base board, including the bonding land and viewing area for being engaged with driver module;
Display module, setting is in the display area;
First connector is electrically connected at the display module and is arranged in the bonding land;And
The driver module is electrically connected first connector;The driver module includes the second connection Body, second connector are fixed and are electrically connected by conducting resinl and first connector;
Wherein end face of first connector towards second connector is the first joint surface, second connector End face towards first connector and for connecting with first joint surface is the second joint surface;First joint surface For concave panel, second joint surface is convex.
In display device of the invention, the cross sectional shape on second joint surface is dome arcuation or inverted ladder shape, institute The cross sectional shape for stating the first joint surface is corresponding for concave arc shape or inverted ladder shape.
In the first embodiment of display device of the invention, be arranged on second joint surface it is fluted, described In the cross-wise direction on two joint surfaces, the groove is along the second engagement face interval and is uniformly arranged.
In the first embodiment of display device of the invention, at least two grooves, there are two grooves It is separately positioned on the edge of second joint surface two sides.
In the first embodiment of display device of the invention, link slot is provided between the groove.
In the second embodiment of display device of the invention, second joint surface is recessed with the groove of trough shape, In the cross-wise direction on second joint surface, it is linear that the adjacent round and smooth connection of groove forms a wave.
In the second embodiment of display device of the invention, at least two grooves, there are two grooves It is separately positioned on the edge of second joint surface two sides.
Display panel compared to the prior art, display panel of the invention and display device are by by the first connector First joint surface is set as concave panel, improves the first joint surface to the capture rate of conducting particles;In addition by the second connector Second joint surface is set as convex, by with the first joint surface carry out bumps agree with design, not only increase in hot pressing with The connection area for engaging colloid, improves the stability of connection, and increase the contact surface of conducting particles and the second joint surface Product, reduces signal transfer impedance;
Further, the setting of groove is increased and is led so that conducting particles and engagement colloid can enter groove in hot pressing Charged particle and the engagement colloid contact area with the second joint surface respectively, to reduce signal transfer impedance and improve engagement The stability of colloid and the connection of the second joint surface;Solve in existing display panel in driver module the second connector and The low technical problem of the conducting particles capture rate of first connector in flexible base board.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below to required in embodiment Attached drawing to be used is briefly described.The accompanying drawings in the following description is only section Example of the invention, general for this field For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the binding structural schematic diagram of flexible base board and driver module in the display panel of the prior art;
Fig. 2 is the knot of the flexible base board of the first embodiment of display panel of the invention, the first connector and display module Structure schematic diagram;
Fig. 3 is driving display module, flexible base board and the first connector of the first embodiment of display panel of the invention Connection structure schematic cross-section;
Fig. 4 is the structural representation of the first connector and the second connector of the first embodiment of display panel of the invention Figure;
Fig. 5 is the present invention looks up structural representation of the second connector of the first embodiment of display panel of the invention;
Fig. 6 is driving display module, flexible base board and the first connector of the second embodiment of display panel of the invention Connection structure schematic cross-section;
Fig. 7 is the structural representation of the first connector and the second connector of the second embodiment of display panel of the invention Figure.
Specific embodiment
The schema in attached drawing is please referred to, wherein identical component symbol represents identical component.The following description is to be based on Illustrated by the specific embodiment of the invention, be not construed as the limitation present invention other specific embodiments not detailed herein.
It is referring to figure 2. flexible base board, the first connector of the first embodiment of display panel of the invention to Fig. 4, Fig. 2 With the structural schematic diagram of display module;Fig. 3 is the driving display module of the first embodiment of display panel of the invention, flexible base The schematic cross-section of the connection structure of plate and the first connector;Fig. 4 is the first of the first embodiment of display panel of the invention The structural schematic diagram of connector and the second connector.The display panel of this first embodiment includes flexible base board 11, display module 12, the first connector 13, driver module, driver module further include the binding substrate for the second connector 14 to be arranged 16。
Specifically, flexible base board 11 includes the bonding land 11a and viewing area 11b for engaging with driver module; Display module 12 is arranged in the 11b of viewing area;
First connector 13 is electrically connected at display module 12 and is arranged in the 11a of bonding land;Driver module is electrical Connect the first connector 13;Driver module includes the second connector 14, and the second connector 14 passes through conducting resinl 15 and first Connector 13 is fixed and is electrically connected.
Wherein end face of first connector 13 towards the second connector 14 is the first joint surface 131,14 face of the second connector End face to the first connector 13 and for connecting with the first joint surface 131 is the second joint surface 141;First joint surface 131 is Concave panel, the second joint surface 141 are convex.
In this first embodiment, conducting resinl 15 includes conducting particles 151 and engagement colloid 152.The present embodiment is by by First joint surface 131 of one connector 13 is set as concave panel, improves capture of first joint surface 131 to conducting particles 151 Rate is avoided when carrying out hot pressing, and conducting particles 151 respectively at the outside on joint surface or is escaped with the spilling of engagement colloid 152 From junction.
In addition convex is set by the second joint surface 141 of the second connector 14, by carrying out with the first joint surface 131 Bumps agree with design, not only increase the connection area on two joint surfaces and engagement colloid 152 in hot pressing, improve connection Stability, and the contact area of conducting particles 151 and the second joint surface 142 is increased, reduce signal transfer impedance.
In the present first embodiment, the cross sectional shape on the second joint surface 141 is dome arcuation or inverted ladder shape, the first engagement The corresponding cross sectional shape in face 131 is concave arc shape or inverted ladder shape.I.e. when the cross sectional shape on the second joint surface 141 is dome arc When shape, the cross sectional shape on the first joint surface 131 is concave arc shape, when the cross sectional shape on the second joint surface 141 is inverted ladder shape, The cross sectional shape on the first joint surface 131 is inverted ladder shape.
Preferably, in the present first embodiment, when the cross sectional shape on the second joint surface 141 is dome arcuation, the first engagement The cross sectional shape in face 131 is concave arc shape.Such design, simplifies technique, has saved cost.
In the first embodiment, it is arranged fluted 142 on the second joint surface 141, the cross-wise direction on the second joint surface 141 On, groove 142 is spaced and is uniformly arranged along the second joint surface 141.
The setting of groove 142 increases so that conducting particles 151 and engagement colloid 152 can enter groove 142 in hot pressing Conducting particles 151 and engagement colloid 152 contact area with the second joint surface 141 respectively, to reduce signal transmission resistance Stability that is anti-and improving engagement colloid 152 and the connection of the second joint surface 141.
In the present first embodiment, at least two grooves 142, two grooves 142 are separately positioned on the second engagement The edge of 141 two sides of face.In the present embodiment, groove 142 has two, but is not limited to this in the present invention.By groove 142 are arranged in the edge of 141 two sides of the second joint surface, are to improve the ability for obtaining conducting particles 151, avoid conducting particles 151 flights.
In the present first embodiment, it is provided with link slot 143 between groove 142, such as Fig. 5.The setting of link slot 143 increases The connection area for having added the second joint surface 141 and engagement colloid 152, to improve the stability of connection.
The catenation principle of this first embodiment is: conducting resinl 15 is arranged in the first joint surface of the first connector 13 first 131 and second connector 14 the second joint surface 141 between;
Heat pressing process processing is then carried out, so that the first joint surface 131 and the second joint surface 141 press conducting resinl 15, by Soften in hot pressing in conducting resinl 15 and the conducting particles 151 under the pressing on two joint surfaces, between two joint surfaces With engagement edge distribution of the colloid 152 to two joint surfaces;
Then, during conducting particles 151 moves outside, into groove 142, and it is trapped in 131 He of the first joint surface Between second joint surface 141, so that the first connector 13 and the second connector 14 are electrically connected;
Finally, it is cooling, so that engagement colloid 152 fixes the first joint surface 131, the second joint surface 141 and conducting particles 151。
This is the principle of the present embodiment capture conducting particles 151.
Please refer to Fig. 6, in this second embodiment, the present embodiment and first embodiment the difference is that: second connects Conjunction face 241 is recessed with the groove 242 of trough shape, in the cross-wise direction on the second joint surface 241, the round and smooth connection of adjacent grooves 242 Form wave threadiness.
Second joint surface 241 is designed as to the convex arc surface of wave threadiness, so that being formed between the groove 242 of trough shape convex To crest portion.When carrying out heat pressing process, the smooth entrance groove of the entrance of conducting particles 251 can rapidly be squeezed by being convex to crest portion 242.It improves work efficiency, and reduces the first joint surface 231 and the second connection in conducting particles 251 and the first connector 23 Abrasion in body 24 between second joint surface 241.
In this second embodiment, at least two grooves 242, there are two grooves 242 to be separately positioned on the second engagement The edge of 241 two sides of face.
The principle of the present embodiment and the principle of first embodiment are consistent.
In the third embodiment of the present invention, with first embodiment the difference is that, second joint surface be it is convex Spherical surface, first joint surface are concave spherical surface.
Annular groove is provided on the convex spherical.The effect of the annular groove and the effect of first embodiment are consistent.
The invention further relates to a kind of display devices, including backlight module and the display surface being arranged on the backlight module Plate, which is characterized in that the display panel includes:
Flexible base board, including the bonding land and viewing area for being engaged with driver module;
Display module, setting is in the display area;
First connector is electrically connected at the display module and is arranged in the bonding land;And
The driver module is electrically connected first connector;The driver module includes the second connection Body, second connector are fixed and are electrically connected by conducting resinl and first connector;
Wherein end face of first connector towards second connector is the first joint surface, second connector End face towards first connector and for connecting with first joint surface is the second joint surface;First joint surface For concave panel, second joint surface is convex.
In display device of the invention, the cross sectional shape on second joint surface is dome arcuation or inverted ladder shape, institute The cross sectional shape for stating the first joint surface is corresponding for concave arc shape or inverted ladder shape.
In the first embodiment of display device of the invention, be arranged on second joint surface it is fluted, described In the cross-wise direction on two joint surfaces, the groove is along the second engagement face interval and is uniformly arranged.
In the first embodiment of display device of the invention, at least two grooves, there are two grooves It is separately positioned on the edge of second joint surface two sides.
In the first embodiment of display device of the invention, link slot is provided between the groove.
In the second embodiment of display device of the invention, second joint surface is recessed with the groove of trough shape, In the cross-wise direction on second joint surface, it is linear that the adjacent round and smooth connection of groove forms a wave.
In the second embodiment of display device of the invention, at least two grooves, there are two grooves It is separately positioned on the edge of second joint surface two sides.
Display panel compared to the prior art, display panel of the invention and display device are by by the first connector First joint surface is set as concave panel, improves the first joint surface to the capture rate of conducting particles;In addition by the second connector Second joint surface is set as convex, by with the first joint surface carry out bumps agree with design, not only increase in hot pressing with The connection area for engaging colloid, improves the stability of connection, and increase the contact surface of conducting particles and the second joint surface Product, reduces signal transfer impedance;
Further, the setting of groove is increased and is led so that conducting particles and engagement colloid can enter groove in hot pressing Charged particle and the engagement colloid contact area with the second joint surface respectively, to reduce signal transfer impedance and improve engagement The stability of colloid and the connection of the second joint surface;Solve in existing display panel in driver module the second connector and The low technical problem of the conducting particles capture rate of first connector in flexible base board.
Although the disclosure, this field skill has shown and described relative to one or more implementations in the present invention Art personnel will be appreciated that equivalent variations and modification based on the reading and understanding to the specification and drawings.The disclosure include it is all this The modifications and variations of sample, and be limited only by the scope of the following claims.In addition, although the special characteristic of the disclosure phase Only one in several implementations is disclosed, but this feature can with such as can be for a given or particular application It is expectation and one or more other features combinations of other advantageous implementations.Moreover, with regard to term " includes ", " having ", " containing " or its deformation be used in specific embodiments or claims for, such term be intended to with term "comprising" Similar mode includes.
In conclusion although the present invention is disclosed above with embodiment, the serial number before embodiment, such as " first ", " second " Deng only using for convenience of description, the sequence of various embodiments of the present invention is not caused to limit.Also, above-described embodiment not to Limitation the present invention, those skilled in the art, without departing from the spirit and scope of the present invention, can make it is various change with Retouching, therefore protection scope of the present invention subjects to the scope of the claims.

Claims (10)

1. a kind of display panel characterized by comprising
Flexible base board, including the bonding land and viewing area for being engaged with driver module;
Display module, setting is in the display area;
First connector is electrically connected at the display module and is arranged in the bonding land;And
The driver module is electrically connected first connector;The driver module includes the second connector, institute It states the second connector and fixes and be electrically connected by conducting resinl and first connector;
Wherein first connector towards second connector end face be the first joint surface, second connector towards First connector and the end face for being used to connect with first joint surface are the second joint surface;First joint surface is recessed Shape face, second joint surface are convex.
2. display panel according to claim 1, which is characterized in that the cross sectional shape on second joint surface is dome arc Shape or inverted ladder shape, the corresponding cross sectional shape on first joint surface is concave arc shape or inverted ladder shape.
3. display panel according to claim 1, which is characterized in that be arranged on second joint surface it is fluted, in institute In the cross-wise direction for stating the second joint surface, the groove is along the second engagement face interval and is uniformly arranged.
4. display panel according to claim 3, which is characterized in that at least two grooves, have described in two Groove is separately positioned on the edge of second joint surface two sides.
5. display panel according to claim 3, which is characterized in that be provided with link slot between the groove.
6. display panel according to claim 1, which is characterized in that second joint surface is recessed with the recessed of trough shape Slot, in the cross-wise direction on second joint surface, it is linear that the adjacent round and smooth connection of groove forms a wave.
7. display panel according to claim 6, which is characterized in that at least two grooves, have described in two Groove is separately positioned on the edge of second joint surface two sides.
8. a kind of display device, including backlight module and the display panel being arranged on the backlight module, which is characterized in that institute Stating display panel includes:
Flexible base board, including the bonding land and viewing area for being engaged with driver module;
Display module, setting is in the display area;
First connector is electrically connected at the display module and is arranged in the bonding land;And
The driver module is electrically connected first connector;The driver module includes the second connector, institute It states the second connector and fixes and be electrically connected by conducting resinl and first connector;
Wherein first connector towards second connector end face be the first joint surface, second connector towards First connector and the end face for being used to connect with first joint surface are the second joint surface;First joint surface is recessed Shape face, second joint surface are convex.
9. display device according to claim 8, which is characterized in that the cross sectional shape on second joint surface is dome arc Shape or inverted ladder shape, the corresponding cross sectional shape on first joint surface is concave arc shape or inverted ladder shape.
10. display device according to claim 8, which is characterized in that be arranged on second joint surface it is fluted, in institute In the cross-wise direction for stating the second joint surface, the groove is along the second engagement face interval and is uniformly arranged.
CN201810646068.5A 2018-06-21 2018-06-21 Display panel and display device Pending CN108987439A (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810646068.5A CN108987439A (en) 2018-06-21 2018-06-21 Display panel and display device

Publications (1)

Publication Number Publication Date
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CN107393895A (en) * 2016-05-17 2017-11-24 三星显示有限公司 Display device
CN107464796A (en) * 2016-06-03 2017-12-12 三星显示有限公司 Anisotropic conductive film and the display device using anisotropic conductive film
KR20180066178A (en) * 2016-03-31 2018-06-18 데쿠세리아루즈 가부시키가이샤 Anisotropic conductive connection structure

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6355504B1 (en) * 1998-02-27 2002-03-12 Micron Technology, Inc. Electrical interconnections, methods of conducting electricity, and methods of reducing horizontal conductivity within an anisotropic conductive adhesive
CN1567069A (en) * 2003-07-08 2005-01-19 鸿富锦精密工业(深圳)有限公司 Glass flip-chip arrangement
CN1558270A (en) * 2004-01-21 2004-12-29 友达光电股份有限公司 Structure for increasing reliability of metal connecting line
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