CN104656995A - Display module and display device thereof - Google Patents
Display module and display device thereof Download PDFInfo
- Publication number
- CN104656995A CN104656995A CN201510086483.6A CN201510086483A CN104656995A CN 104656995 A CN104656995 A CN 104656995A CN 201510086483 A CN201510086483 A CN 201510086483A CN 104656995 A CN104656995 A CN 104656995A
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- test
- strips
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- bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04102—Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a display module, which comprises a glass substrate and a flexible printed circuit board, wherein the glass substrate comprises test boards, and each test board comprises a plurality of test bars; the flexible printed circuit board comprises a plurality of bus bars which are opposite to the test boards; the test boards and the bus bars which are opposite to the test boards respectively form multiple test groups; the bus bars on the flexible printed circuit board are electrically connected with the test bars on the glass substrate; the sum of horizontal contact parts of test bars in each test group and bus bars which are opposite to the test bars is the contact length; at least one group of the multiple test groups is a deviation test group, and the maximum contact length of the deviation test group is less than the maximum contact length of at least one group of other test groups. Combined with the test platform, the structure is capable of detecting the bonding deviation condition, the display module is simple in structure, and is convenient in operating.
Description
Technical field
The present invention relates to the manufacture field of display module, particularly relate to a kind of display module that automatically can detect pressing and off normal situation between flexible printed circuit board and glass.
Background technology
In traditional magnifier detects, not easily see anisotropic conductive film (AnisotropicConductive Film) gold goal clearly to break situation, and professional microscope testing efficiency is relatively low, comparatively damages man-hour, is unfavorable for that product 100% detects.For the product that structure is special, cannot accurately judge especially.As: the particular architectures of the flexible printed circuit board of individual layer On-cell type touch-screen, pros and cons does not all see anisotropic conductive film (Anisotropic Conductive Film) gold goal distribution of particles and impression situation, therefore accurately can not judge pressing off normal situation.
Problems existing: 1. current detection technique, just can only slightly judge monolateral off normal degree, cannot detect the product that binding (bonding) property is not good.2. current detection technique, effectively cannot tackle the product that binding (bonding) is not strong.3. production line test difficulty, cannot realize automatic detection.
Summary of the invention
The present invention is for solving the problems of the technologies described above, provide a kind of display module that automatically can detect pressing and off normal situation between flexible printed circuit board and glass substrate, described display module comprises glass substrate and flexible printed circuit board, described glass substrate comprises test board, described test board comprises multiple test-strips, described flexible printed circuit board comprises the relative bus of multiple and described test board, described each test board bus corresponding thereto forms multiple test group respectively, bus on described flexible printed circuit board is electrically connected with the test-strips on described glass substrate, the test-strips of described each test group and the horizontal contact section point sum of facing conductive bar are contact length, one group is had at least to be off normal test group in described multiple test group, the Maximum Contact length of described off normal test group is less than the Maximum Contact length of other at least one test groups.
Alternatively, described at least one group, the Maximum Contact length of off normal test group is less than the Maximum Contact length of other any one test groups.
Alternatively, the width of a described bus is had at least to be less than test-strips described in other or bus in the described bus that described at least one group, the described test-strips of off normal test group is relative.
Alternatively, the width of a described test-strips is had at least to be less than test-strips described in other or bus in the described test-strips that described at least one group, the described bus of off normal test group is relative.
Alternatively, the spacing of spacing two buss corresponding thereto of two adjacent test-strips of at least one group of off normal test group is not etc.
Alternatively, the shape of described test board is U-shaped.
Alternatively, described test board is one of the forming.
Alternatively, the number of described test-strips is at least 2.
Alternatively, the bus on described flexible printed circuit board is connected with the test-strips on described glass substrate.
Alternatively, the material of described bus and test-strips is conductive material.
Alternatively, described conductive material is tin indium oxide (ITO) or metal.
Present invention also offers a kind of display device, comprise the display module described in aforementioned arbitrary.
Thus, in conjunction with test platform, the off normal situation of (bonding) can be bound from whole detection, and this display modular structure is simple, convenient operation.
Accompanying drawing explanation
A kind of structural representation showing module that Fig. 1 provides for the embodiment of the present invention one;
A kind of structural representation showing module that Fig. 2 provides for the embodiment of the present invention two;
A kind of structural representation showing module that Fig. 3 provides for the embodiment of the present invention three;
A kind of structural representation showing module that Fig. 4 provides for the embodiment of the present invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
Figure 1 shows that and comprise glass substrate end (Chipon Glass) 1, flexible printed circuit board end (Film on Glass) 2, test group 3, and off normal test group 4 by the one display module that the embodiment of the present invention one provides.Wherein, test group 3 comprises test board 3A and bus 3B corresponding thereto, and test board 3A takes the shape of the letter U, and comprise two test-strips 3a and connecting portion 3b, 3a and 3b is integrally formed.Off normal test group 4 comprises off normal test board 4A and bus 4B corresponding thereto, off normal test board 4A takes the shape of the letter U, comprise two off normal test-strips 4a and connecting portion 4b, 4a and 4b is integrally formed, the width of off normal test-strips 4a is less than the width of off normal bus 4B corresponding thereto, and the width of off normal bus 4B is equal with the width of bus 3B.The test-strips of the bus of flexible printed circuit board end with glass substrate end connected, the horizontal contact section of each test-strips bus is corresponding thereto divided into contact length.The Maximum Contact length of off normal test group 4, length when namely off normal bus 4B contacts completely with off normal test-strips 4a, is less than the Maximum Contact length of test group 3, length when namely bus 3B contacts completely with test-strips 3a.The material of test board 3A and off normal test board 4A is the stacking material of aluminium, molybdenum and molybdenum, aluminium, molybdenum, and the material of bus 3B and off normal bus 4B is aluminium.
Alternatively, the material of test board 3A and off normal test board 4A is the stepped construction of the stacking material of aluminium and molybdenum or aluminium, molybdenum, aluminium, or can be separately tin indium oxide (ITO) material, does not limit, as long as all material is conductive material at this.
Alternatively, test board 3A and off normal test board 4A can be non-integral shaped structure, and namely test-strips 3a and bus 3B can be splicing construction, and equally, off normal test-strips 4a and bus 4B can be splicing construction.
Alternatively, the number of test-strips 3a and/or off normal test-strips 4a can be greater than 2.
Alternatively, the number of off normal test group 4 can be multiple, does not limit at this, is more than or equal to 1.
Alternatively, in off normal test group 4, the width of bus 4B can be less than the width of test-strips 4a, does not limit width at this, as long as make the Maximum Contact length of off normal test group 4 be less than the maximum length of test group 3.
Thus, when testing, in conjunction with test platform, measure the resistance of binding (bonding) series circuit afterwards.Suppose to produce line patient binding (bonding) off normal value for (bonding) off normal 50% can be bound, so the width design of off normal test-strips 4a can be become 50% of the width of off normal bus 4B corresponding thereto, like this, the Maximum Contact length of off normal test group 4 is less than the Maximum Contact length of test group 3, when off normal occurs in binding (bonding), according to resistance sizes, binding (bonding) off normal situation can be judged.When binding (bonding) off normal 50%, whole string test circuit is open-circuit condition, thus learns that the off normal of binding (bonding) has exceeded product line tolerance value, can make prevention in advance.
Simultaneously, this display modular structure is simple to operate, the width of off normal bus or off normal test-strips in off normal test group is only changed when designing, binding (bonding) situation can be detected on the whole from binding (bonding) during test, the product that effective interception binding (bonding) is not strong, and improve the efficiency of producing line binding (bonding) and detecting.
Embodiment two
As shown in Figure 2, the one provided for the embodiment of the present invention two shows module.Repeat no more with previous embodiment same section in the present embodiment, only describe different piece.Different from previous embodiment, in the present embodiment, the width of the width off normal bus 4B corresponding thereto of off normal test-strips 4a is equal, and the width of off normal test-strips 4a and off normal bus 4B is less than the width of test-strips 3a and bus 3B.
Thus, when testing, in conjunction with test platform, measure the resistance of binding (bonding) series circuit afterwards.Suppose to produce line patient binding (bonding) off normal value for (bonding) off normal 50% can be bound, so off normal test-strips 4a can be become 50% of test-strips 3a and bus 3B width with the width design of off normal bus 4B, like this, the Maximum Contact length of off normal test group 4 is less than the Maximum Contact length of test group 3, when off normal occurs in binding (bonding), according to resistance sizes, binding (bonding) off normal situation can be judged.When binding (bonding) off normal 50%, whole string test circuit is open-circuit condition, thus learns that the off normal of binding (bonding) has exceeded product line tolerance value, can make prevention in advance.
Simultaneously, this display modular structure is simple to operate, the width that simultaneously can regulate off normal bus and off normal test-strips in off normal test group is only changed when designing, improve the accuracy of test, binding (bonding) situation can be detected on the whole from binding (bonding) during test, the product that effective interception binding (bonding) is not strong, and improve the efficiency of producing line binding (bonding) and detecting.
Embodiment three
As shown in Figure 3, the one provided for the embodiment of the present invention three shows module.Repeat no more with previous embodiment same section in the present embodiment, only describe different piece.Different from previous embodiment, the width of the width off normal bus 4B corresponding thereto of off normal test-strips 4a is equal, but the spacing of two off normal test-strips 4a is greater than the spacing of two off normal bus 4B.
Alternatively, when the width of the width off normal bus 4B corresponding thereto of off normal test-strips 4a is equal, the spacing that can arrange two off normal test-strips 4a is less than the spacing of two off normal bus 4B, do not limit at this, as long as make the Maximum Contact length of off normal test group 4 be greater than the Maximum Contact length of test group 3.
Thus, when testing, in conjunction with test platform, measure the resistance of binding (bonding) series circuit afterwards.Suppose to produce line patient binding (bonding) off normal value for (bonding) off normal 50% can be bound, when the width of the width off normal bus 4B corresponding thereto of off normal test-strips 4a is equal, the spacing arranging two off normal test-strips 4a is less than/is greater than the spacing of two off normal bus 4B, the Maximum Contact length of off normal test-strips 4a and off normal bus 4B is made to be 50% of test-strips 3a and bus 3B, when off normal occurs in binding (bonding), according to resistance sizes, binding (bonding) off normal situation can be judged.When binding (bonding) off normal 50%, whole string test circuit is open-circuit condition, thus learns that the off normal of binding (bonding) has exceeded product line tolerance value, can make prevention in advance.
Simultaneously, this display modular structure is owing to adding the spacing of unit area build-in test bar or bus, the quantity of the test-strips therefore in unit area or bus reduces, reduce cost of manufacture, and can detect binding (bonding) situation on the whole from binding (bonding) when testing, effectively interception is tied up
(bonding) not strong product, and improve the efficiency of producing line binding (bonding) and detecting.
Embodiment four
As shown in Figure 4, the one provided for the embodiment of the present invention four shows module.Repeat no more with previous embodiment same section in the present embodiment, only describe different piece.Different from previous embodiment, the width of off normal test-strips 4a is less than the width of its relative off normal bus 4B, and the spacing of two off normal test-strips 4a is greater than the spacing of two off normal bus 4B.
Alternatively, the width of off normal test-strips 4a can be less than the width of its relative off normal bus 4B, and the spacing of two off normal test-strips 4a is less than the spacing of two off normal bus 4B.
Alternatively, the width of off normal test-strips 4a can be greater than the width of its relative off normal bus 4B, and the spacing of two off normal test-strips 4a is less than the spacing of two off normal bus 4B.
Alternatively, the width of off normal test-strips 4a can be greater than the width of its relative off normal bus 4B, and the spacing of two off normal test-strips 4a is greater than the spacing of two off normal bus 4B.
What need again to illustrate at this is, here the width of off normal test-strips 4a and off normal bus 4B and spacing are not limited, as long as ensure the Maximum Contact length of off normal test-strips 4a and off normal bus 4B, namely horizontal length when off normal test-strips 4a and off normal bus 4B contacts completely is greater than the Maximum Contact length of test-strips 3a and bus 3B, horizontal length when namely test-strips 3a contacts completely with bus 3B.
Thus, when testing, in conjunction with test platform, measure the resistance of binding (bonding) series circuit afterwards.Suppose to produce line patient binding (bonding) off normal value for (bonding) off normal 50% can be bound, then by the width of adjustment off normal test-strips 4a or off normal bus 4B, and the spacing making spacing two off normal bus 4B corresponding thereto of two off normal test-strips 4a is not etc., the Maximum Contact length of off normal test-strips 4a and off normal bus 4B is made to be 50% of test-strips 3a and bus 3B, when off normal occurs in binding (bonding), according to resistance sizes, binding (bonding) off normal situation can be judged.When binding (bonding) off normal 50%, whole string test circuit is open-circuit condition, thus learns that the off normal of binding (bonding) has exceeded product line tolerance value, can make prevention in advance.
Simultaneously, this display modular structure adds the dirigibility of module design, the off normal test group of the different situations design different display module needs of module can be shown according to difference, and binding (bonding) situation can be detected on the whole from binding (bonding) when testing, (bonding) not strong product is tied up in effective interception, and improves the efficiency of producing line binding (bonding) and detecting.
Embodiment five
The present embodiment provides a kind of and comprises the display device showing module described in any one embodiment aforementioned, repeats no more, only describe different piece in the present embodiment with previous embodiment same section.Display module provided by the invention can be applicable to any one display device, is applicable to any one display device, and therefore, the display device that the present embodiment provides is the display device on ordinary meaning, and this display device comprises display module provided by the invention.
Finally it should be noted that, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a display module, it is characterized in that: described display module comprises glass substrate and flexible printed circuit board, described glass substrate comprises test board, described test board comprises multiple test-strips, described each test-strips is connected, described flexible printed circuit board comprises the relative bus of multiple and described test board, and described each test board bus corresponding thereto forms multiple test group respectively
Bus on described flexible printed circuit board is electrically connected with the test-strips on described glass substrate, the test-strips of described each test group and the horizontal contact section point sum of facing conductive bar are contact length, have at least one group to be off normal test group in described multiple test group, the Maximum Contact length of described off normal test group is less than the Maximum Contact length of other at least one test groups.
2. show module as claimed in claim 1, it is characterized in that: described at least one group, the Maximum Contact length of off normal test group is less than the Maximum Contact length of other any one test groups.
3. show module as claimed in claim 1, it is characterized in that: in the described test-strips that described at least one group, the described bus of off normal test group is relative, have at least the width of a described test-strips to be less than test-strips described in other or bus.
4. show module as claimed in claim 1, it is characterized in that: in the described bus that described at least one group, the described test-strips of off normal test group is relative, have at least the width of a described bus to be less than test-strips described in other or bus.
5. show module as claimed in claim 1, it is characterized in that: the spacing of spacing two buss corresponding thereto of two adjacent test-strips of at least one group of off normal test group is not etc.
6. the display module as described in claim 1-5, is characterized in that: the shape of described test board is U-shaped.
7. show module as claimed in claim 6, it is characterized in that: described test board is one of the forming.
8. show module as claimed in claim 7, it is characterized in that: the number of described test-strips is at least two.
9. show module as claimed in claim 8, it is characterized in that: the bus on described flexible printed circuit board is connected with the test-strips on described glass substrate.
10. show module as claimed in claim 9, it is characterized in that: the material of described bus and test-strips is conductive material.
11. show module as claimed in claim 10, it is characterized in that: described conductive material is tin indium oxide (ITO) or metal.
12. 1 kinds of display device, is characterized in that: the display module as described in any one of claim 1-11 claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510086483.6A CN104656995B (en) | 2014-11-19 | 2015-02-16 | A kind of display module and its display device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014106637263 | 2014-11-19 | ||
| CN201410663726.3A CN104407737A (en) | 2014-11-19 | 2014-11-19 | Display module and display device thereof |
| CN201510086483.6A CN104656995B (en) | 2014-11-19 | 2015-02-16 | A kind of display module and its display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104656995A true CN104656995A (en) | 2015-05-27 |
| CN104656995B CN104656995B (en) | 2017-11-10 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410663726.3A Pending CN104407737A (en) | 2014-11-19 | 2014-11-19 | Display module and display device thereof |
| CN201520114912.1U Active CN204515727U (en) | 2014-11-19 | 2015-02-16 | A kind of display module |
| CN201510086483.6A Active CN104656995B (en) | 2014-11-19 | 2015-02-16 | A kind of display module and its display device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410663726.3A Pending CN104407737A (en) | 2014-11-19 | 2014-11-19 | Display module and display device thereof |
| CN201520114912.1U Active CN204515727U (en) | 2014-11-19 | 2015-02-16 | A kind of display module |
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| Country | Link |
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| CN (3) | CN104407737A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656191A (en) * | 2017-09-25 | 2018-02-02 | 京东方科技集团股份有限公司 | This pressure condition detection components, system and method |
| CN109283414A (en) * | 2018-11-12 | 2019-01-29 | 京东方科技集团股份有限公司 | A kind of display panel, lighting detection device and its control method |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407737A (en) * | 2014-11-19 | 2015-03-11 | 上海天马微电子有限公司 | Display module and display device thereof |
| CN108401360B (en) * | 2018-05-03 | 2019-07-05 | 京东方科技集团股份有限公司 | The detection method of flexible circuit board, detection device and display panel |
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| JP2006106086A (en) * | 2004-09-30 | 2006-04-20 | Toshiba Corp | Display device, and inspection method for connection of wiring |
| CN1877347A (en) * | 2006-07-11 | 2006-12-13 | 友达光电股份有限公司 | Method for measuring contact impedance and structure thereof |
| CN102928767A (en) * | 2012-11-01 | 2013-02-13 | 烟台正海科技有限公司 | Universal testing method of FPC (flexible printed circuit) bound with double-layer membrane structure |
| CN103941109A (en) * | 2013-01-21 | 2014-07-23 | 宸鸿科技(厦门)有限公司 | A test device of a touch panel |
| CN204515727U (en) * | 2014-11-19 | 2015-07-29 | 上海天马微电子有限公司 | A kind of display module |
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2014
- 2014-11-19 CN CN201410663726.3A patent/CN104407737A/en active Pending
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2015
- 2015-02-16 CN CN201520114912.1U patent/CN204515727U/en active Active
- 2015-02-16 CN CN201510086483.6A patent/CN104656995B/en active Active
Patent Citations (5)
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| JP2006106086A (en) * | 2004-09-30 | 2006-04-20 | Toshiba Corp | Display device, and inspection method for connection of wiring |
| CN1877347A (en) * | 2006-07-11 | 2006-12-13 | 友达光电股份有限公司 | Method for measuring contact impedance and structure thereof |
| CN102928767A (en) * | 2012-11-01 | 2013-02-13 | 烟台正海科技有限公司 | Universal testing method of FPC (flexible printed circuit) bound with double-layer membrane structure |
| CN103941109A (en) * | 2013-01-21 | 2014-07-23 | 宸鸿科技(厦门)有限公司 | A test device of a touch panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107656191A (en) * | 2017-09-25 | 2018-02-02 | 京东方科技集团股份有限公司 | This pressure condition detection components, system and method |
| CN109283414A (en) * | 2018-11-12 | 2019-01-29 | 京东方科技集团股份有限公司 | A kind of display panel, lighting detection device and its control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204515727U (en) | 2015-07-29 |
| CN104656995B (en) | 2017-11-10 |
| CN104407737A (en) | 2015-03-11 |
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