CN2852178Y - Liquid crystal display device - Google Patents
Liquid crystal display device Download PDFInfo
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- CN2852178Y CN2852178Y CN 200520119385 CN200520119385U CN2852178Y CN 2852178 Y CN2852178 Y CN 2852178Y CN 200520119385 CN200520119385 CN 200520119385 CN 200520119385 U CN200520119385 U CN 200520119385U CN 2852178 Y CN2852178 Y CN 2852178Y
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- conductive film
- liquid crystal
- anisotropy conductive
- attach area
- substrate
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Abstract
The utility model relates to a liquid crystal display device which comprises a first basal plate, a second basal plate, a liquid crystal layer, a backlight module, an anisotropic conductive film and a plurality of driving chips, wherein the two basal plates are arranged oppositely, the liquid crystal layer is arranged between the two basal plates and the backlight module is arranged at the outer side of one basal plate. An attaching region is arranged on the first basal plate and comprises a connecting region and a spacing region, the driving chips are connected with the first basal plate by the anisotropic conductive film in the connecting region and the anisotropic conductive film is arranged in the attaching region at intervals.
Description
[technical field]
The utility model is about a kind of liquid crystal indicator.
[background technology]
Liquid crystal indicator has characteristics such as low diathermaneity, compact and power consumption are low because of it, thus day by day extensive in the use, and along with the ripe and innovation of correlation technique, its kind is also various day by day.
Adopt the liquid crystal indicator of active matrix array to generally comprise a plurality of gate lines that are arranged on same substrate and the pixel region that source electrode line intersects to form mutually and a plurality of thin film transistor (TFT) (Thin Film Transistor that is arranged on gate line and source electrode line infall, TFT), wherein, each pixel region has a pixel electrode, and this thin film transistor (TFT) is used to control the switch of this pixel electrode.
This gate line and source electrode line respectively with grid drive chip (Integrated Circuit, IC) and source driving chip connect, drive signal and be loaded on thin film transistor (TFT) to provide, activate pixel region.This grid drive chip and source driving chip are connected with printed circuit board (PCB) by flexible circuit board.Circuit member connection structure uses the anisotropy conductive film usually (Anisotropic Conductive Film ACF) realizes mechanical connection and electric connection between this chip for driving and the substrate, between this flexible circuit board and the substrate, between this flexible circuit board and the printed circuit board (PCB) etc.
See also Fig. 1, a kind of prior art liquid crystal indicator 1 comprises a liquid crystal panel 10, a backlight module 20 and housing 30.These backlight module 20 functions are to provide the area source that brightness is abundant and be evenly distributed to liquid crystal panel 10.This housing 30 is used to accommodate this liquid crystal panel 10 and backlight module 20.
Please consult Fig. 2,3 together, Fig. 2 is the cross-sectional view of II-II along the line among Fig. 1, and Fig. 3 is the cross-sectional view of III-III along the line among Fig. 1.This liquid crystal panel 10 comprise first substrate 11, second substrate 12 and be clipped in this first substrate 11 and second substrate 12 between liquid crystal layer 13.Adjacent both sides of the edge at first substrate 11 comprise attach area, and this attach area is covered by anisotropy conductive film 15 usually.In the attach area, the zone of carrying chip for driving 14 is a join domain.In the join domain, chip for driving 14 realizes mechanical connection and electric connection by the anisotropy conductive film 15 and first substrate 11.Zone between the chip for driving 14 is an interval region.
This anisotropy conductive film 15 is to make by scatter conducting particles in macromolecule resin (as epoxy resin or acryl resin), and on a surface of this anisotropy conductive film 15 barrier film is set.When attaching chip for driving 14, low temperature is pressed in attach area with anisotropy conductive film 15 earlier down in advance, peels off the barrier film of anisotropy conductive film 15, chip for driving 14 is put at join domain again, adds under the high temperature to be pressed in and realizes on the chip for driving 14 connecting.
But, in the attach area,, so have difference in height between join domain and the interval region because join domain has the splicing ear of gate line or source electrode line.In the precompressed, the temperature of crimping apparatus and pressure are not sent on the anisotropy conductive film 15 of interval region fully, so the anisotropy conductive film 15 of interval region is low with the bond strength of substrate 11.When peeling off barrier film, can cause anisotropy conductive film 15 in interval region, to float even rupture and roll, thereby influence the anisotropy conductive film 15 of join domain and the bond strength of substrate 11, reduce the reliability that connects.
And anisotropy conductive film 15 is the higher consumptive materials of cost, and industry all wishes to reduce the use amount of anisotropy conductive film 15.But in this liquid crystal panel 10, the anisotropy conductive film 15 that covers interval region has increased the use amount of anisotropy conductive film 15, increases cost.
[utility model content]
Because interval region is provided with the high problem of reliability, cost that the anisotropy conductive film connects liquid crystal indicator, be necessary to provide a kind of reliability height, liquid crystal indicator that cost is low in order to solve in the prior art.
A kind of liquid crystal indicator, it comprises one first substrate, one second substrate, a liquid crystal layer, backlight module, anisotropy conductive film and a plurality of chip for driving, this two substrates is oppositely arranged, this liquid crystal layer is between this two substrates, this backlight module is arranged on the outside of a substrate, this first substrate is provided with attach area, this attach area comprises join domain and interval region, this chip for driving is connected with first substrate in join domain by this anisotropy conductive film, this anisotropy conductive film interval be arranged on this attach area.
Compared with prior art, liquid crystal indicator of the present utility model has following advantage: the anisotropy conductive film of this liquid crystal indicator being arranged on this attach area at interval, just the anisotropy conductive film is not set or only at the part interval region and the anisotropy conductive film is set at interval region, behind the precompressed anisotropy conductive film, do not influence the bond strength of anisotropy conductive film and substrate when peeling off barrier film, so the connection reliability height.And this liquid crystal indicator has reduced the use amount of anisotropy conductive film, and cost is low.
[description of drawings]
Fig. 1 is the structural representation of prior art liquid crystal indicator.
Fig. 2 is the cross-sectional view of II-II along the line among Fig. 1.
Fig. 3 is the cross-sectional view of III-III along the line among Fig. 1.
Fig. 4 is the structural representation that the utility model liquid crystal display dress refers to first embodiment.
Fig. 5 is the cross-sectional view of V-V along the line among Fig. 4.
Fig. 6 is the cross-sectional view of VI-VI along the line among Fig. 4.
Fig. 7 is the structural representation that the utility model liquid crystal display dress refers to second embodiment.
Fig. 8 is the structural representation that the utility model liquid crystal display dress refers to the 3rd embodiment.
Fig. 9 is the structural representation that the utility model liquid crystal display dress refers to the 4th embodiment.
[embodiment]
Please consult Fig. 4,5,6 together, Fig. 4 is the structural representation that the utility model liquid crystal display dress refers to first embodiment, and Fig. 5 is the cross-sectional view of V-V along the line among Fig. 4, and Fig. 6 is the cross-sectional view of VI-VI along the line among Fig. 4.This liquid crystal indicator 100 comprises that second substrate 120, that one first substrate 110, one and first substrate 110 are oppositely arranged is positioned at the liquid crystal layer 130 of 110,120 of this two substrates.One backlight module (figure does not look) is arranged on side outside the substrate.
Comprise source electrode attach area 117 and grid attach area 118 respectively in the adjacent both sides of the edge of first substrate 110, this two attach area 117,118 comprises join domain and interval region.Wherein, the zone of carrying chip for driving 114 is a join domain, and the zone between the chip for driving 114 is an interval region.Anisotropy conductive film 115 is being arranged in the attach area 117,118 of interval respectively, and promptly join domain is provided with anisotropy conductive film 115, and interval region then is not provided with anisotropy conductive film 115.In the join domain, chip for driving 114 realizes being connected with first substrate 110 by anisotropy conductive film 115.
In the industry, for 17 cun liquid crystal indicators, usually attach 10 chip for driving 114 in source electrode attach area 117, attach 4 chip for driving 114 in grid attach area 118, need to use about 513.6 millimeters anisotropy conductive films 115 in the prior art, then only need use about 260.2 millimeters anisotropy conductive films 115 in the utility model.For 14 cun liquid crystal indicators, usually attach 8 chip for driving 114 in source electrode attach area 117, attach 3 chip for driving 114 in grid attach area 118, need to use about 428.7 millimeters anisotropy conductive films 115 in the prior art, then only need use about 202.9 millimeters anisotropy conductive films 115 in the utility model.Therefore, the utility model can effectively reduce the use amount of anisotropy conductive film 115, reduces cost greatly.
Simultaneously, because the utility model interval region is not provided with anisotropy conductive film 115, behind the join domain of precompressed anisotropy conductive film 115, do not influence the bond strength of the anisotropy conductive film 115 and first substrate 110 when peeling off barrier film, so the connection reliability height.
Seeing also Fig. 7, is the structural representation of the utility model liquid crystal indicator second embodiment.This liquid crystal indicator 200 is roughly the same with the structure of liquid crystal indicator 100, and its difference is: in source electrode attach area 217, anisotropy conductive film 215 covers this source electrode attach area 217; In grid attach area 218, anisotropy conductive film 215 is attached to join domain.
Seeing also Fig. 8, is the structural representation of the utility model liquid crystal indicator the 3rd embodiment.This liquid crystal indicator 300 is roughly the same with the structure of liquid crystal indicator 100, and its difference is: in source electrode attach area 317, anisotropy conductive film 315 is attached to join domain; In grid attach area 318, anisotropy conductive film 315 covers this grid attach area 318.
Seeing also Fig. 9, is the structural representation of the utility model liquid crystal indicator the 4th embodiment.This liquid crystal indicator 400 is roughly the same with the structure of liquid crystal indicator 100, and its difference is: in source electrode attach area 417, the part interval region is provided with anisotropy conductive film 415; In grid attach area 418, the part interval region also is provided with anisotropy conductive film 415.
In liquid crystal indicator, other need use the circuit member connection structure of anisotropy conductive film, as being connected between flexible circuit board and the substrate, between flexible circuit board and the printed circuit board (PCB), can adopt the utility model the anisotropy conductive film not to be set or the structure of anisotropy conductive film only is set in part equally at interval region.
In the utility model, being arranged on this attach area of the anisotropy conductive film interval of this liquid crystal indicator, just the anisotropy conductive film is not set or only the anisotropy conductive film is set at the part interval region at interval region, behind the precompressed anisotropy conductive film, do not influence the bond strength of anisotropy conductive film and substrate during the stripping barrier film, so the connection reliability height.And this liquid crystal indicator has reduced the use amount of anisotropy conductive film, and cost is low.
Claims (6)
1. liquid crystal indicator, it comprises one first substrate, one second substrate, a liquid crystal layer, backlight module, anisotropy conductive film and a plurality of chip for driving, this two substrates is oppositely arranged, this liquid crystal layer is between this two substrates, this backlight module is arranged on the outside of a substrate, this first substrate is provided with attach area, this attach area comprises join domain and interval region, this chip for driving is connected with first substrate in join domain by this anisotropy conductive film, it is characterized in that: this anisotropy conductive film interval be arranged on this attach area.
2. liquid crystal indicator as claimed in claim 1 is characterized in that: this anisotropy conductive film only is arranged on join domain.
3. liquid crystal indicator as claimed in claim 1 is characterized in that: this attach area comprises source electrode attach area and grid attach area.
4. liquid crystal indicator as claimed in claim 3 is characterized in that: in the source electrode attach area, this anisotropy conductive film covers join domain and interval region; In the grid attach area, this anisotropy conductive film covers join domain and part interval region.
5. liquid crystal indicator as claimed in claim 3 is characterized in that: in this source electrode attach area, this anisotropy conductive film covers join domain and part interval region; In the grid attach area, this anisotropy conductive film covers join domain and interval region.
6. liquid crystal indicator as claimed in claim 3 is characterized in that: in this source electrode attach area, this anisotropy conductive film covers join domain and part interval region; In the grid attach area, this anisotropy conductive film also covers join domain and part interval region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119385 CN2852178Y (en) | 2005-11-25 | 2005-11-25 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520119385 CN2852178Y (en) | 2005-11-25 | 2005-11-25 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2852178Y true CN2852178Y (en) | 2006-12-27 |
Family
ID=37586137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520119385 Expired - Lifetime CN2852178Y (en) | 2005-11-25 | 2005-11-25 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2852178Y (en) |
-
2005
- 2005-11-25 CN CN 200520119385 patent/CN2852178Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20061227 |
|
| EXPY | Termination of patent right or utility model |