CN204287651U - A kind of polaroid, display panels and liquid crystal indicator - Google Patents
A kind of polaroid, display panels and liquid crystal indicator Download PDFInfo
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- CN204287651U CN204287651U CN201420700572.6U CN201420700572U CN204287651U CN 204287651 U CN204287651 U CN 204287651U CN 201420700572 U CN201420700572 U CN 201420700572U CN 204287651 U CN204287651 U CN 204287651U
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- polaroid
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- display panels
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Abstract
The utility model provides a kind of polaroid, display panels and liquid crystal indicator, and polaroid has touch-control circuit, comprising: main part; And at least one port part to be connected with described main part; Wherein, described main part is provided with touch-control circuit, and described port part is provided with the conductive metal terminals be connected with described touch-control circuit; Further, at main part and the interconnective side of port part, the side edge length of described main part is greater than the side edge length of described port part.The polaroid that the utility model provides, can when flexible printed circuit board be on the pin of syndeton being tied to polaroid, also flexible printed circuit board is provided with between thermal head and polaroid, the heat radiation indirectly-acting that thermal head produces is on polaroid, polaroid is nothing jaundice region after binding flexible printed circuit board technique, thus polaroid outward appearance and polaroid light transmission function are normally, the touch-control circuit on polaroid can not conducting be abnormal because of temperature distortion during binding.
Description
Technical field
The utility model relates to display field, particularly relates to a kind of polaroid structure.
Background technology
The imaging of liquid crystal display need rely on polarized light; all display panels have front and back two panels polaroid to be close to outside face glass; the basic structure of polaroid comprises: middle PVA (polyvinyl alcohol (PVA)); two-layer TAC (Triafol T); PSA film (pressure sensitive adhesive), Release film (release film) and Protectivefilm (diaphragm).Wherein, what play polarization is PVA layer; but PVA is very easily hydrolyzed; in order to protect the physical characteristics of light polarizing film; therefore having high light transmission rate, water-tolerant at the both sides of PVA each compound one deck has again (TAC) film of certain physical strength to protect, and which forms polaroid.Flexible printed circuit board (Flexible Printed Circuit, FPC) is that the one made for base material with polyimide or mylar has height reliability, excellent flexual printed circuit board (PCB).In the production run of liquid crystal display, by anisotropic conductive film (Anisotropic Conductive Film, ACF) and hot bonding technique, FPC is tied on the pin of the syndeton of display panels.
Utility model content
Inventor studies discovery, when flexible printed circuit board is on the pin of syndeton being tied to display panels, hot bonding technique typical temperature is adopted to be between 180 DEG C ~ 200 DEG C, when flexible printed circuit board is on the face glass being tied to display panels, the impact that temperature between 180 DEG C ~ 200 DEG C causes the substrate that glass material is made is substantially negligible, but in prior art, for technologic demand, usually touch-control circuit is arranged on polaroid, this just needs flexible printed circuit board being tied to the pin on polaroid, and due to the restriction of polaroid material, heat-resistant quality is poor, 180 DEG C ~ 200 DEG C heat-resistant limits far exceeding polaroid, this will cause polaroid to be scalded, make it turn to be yellow and deformation occurs, cause touch control line poor flow, therefore how the signal on touch-control circuit is conducting to external circuit from polaroid and becomes technological difficulties.For this technology, even if use low temperature anisotropy conductiving glue (AnisotropicConductive Film in the market, ACF) bind, in order to ensure the reaction rate of ACF, binding temperature needs to be arranged on 125 DEG C, although connection conduction still can, but in binding procedure, for ensureing binding homogeneous temperature, needing, thermal head area is set and is greater than flexible printed circuit board area, the heat radiation that such thermal head is greater than the part of flexible printed circuit board can act directly on polaroid, still can there is the problem of part jaundice in polaroid, make bad order.The present utility model people finds through experiment, when low temperature anisotropic conducting resinl is bound, flexible printed circuit board is between thermal head and polaroid, the polaroid of this part absorbs the heat radiation of a large amount of thermal heads due to anisotropy conductiving glue and flexible printed circuit board, thus it is substantially non-yellowing, but do not have the part that flexible printed circuit board blocks, heat radiation can act directly on polaroid, and polaroid yellowing phenomenon is more serious.
For solving the problem, inventor, through experiment and test, investigated a kind of polaroid, has touch-control circuit, it is characterized in that, comprising: main part; And at least one port part to be connected with described main part; Wherein, described main part is provided with touch-control circuit, and described port part is provided with the conductive metal terminals be connected with described touch-control circuit; Further, at main part and the interconnective side of port part, the side edge length of described main part is greater than the side edge length of described port part.
The utility model also provides a kind of display panels, it is characterized in that, comprising: array base palte, color membrane substrates, and is arranged on the liquid crystal layer between described array base palte and described color membrane substrates; Described display panels also comprises: be arranged on outside described array base palte and be arranged on the polaroid outside described color membrane substrates; At least one port part that described polaroid comprises main part and is connected with described main part, wherein, described main part is provided with can the touch-control circuit of sensing touch position, and described port part is provided with the conductive metal terminals be connected with described touch-control circuit; Further, at main part and the interconnective side of port part, the side edge length of described main part is greater than the side edge length of described port part.
The utility model also provides a kind of display device, comprises above-mentioned display panels.
The polaroid that the utility model provides, can on the pin that flexible printed circuit board is tied to the syndeton of polaroid time, also flexible printed circuit board is provided with between thermal head and polaroid, the heat radiation indirectly-acting that thermal head produces is on polaroid, polaroid is nothing jaundice region after binding flexible printed circuit board technique, thus polaroid outward appearance and polaroid light transmission function are normally, the touch-control circuit on polaroid can not conducting be abnormal because of temperature distortion during binding.
Accompanying drawing explanation
A kind of polaroid schematic diagram that Fig. 1 provides for the utility model first embodiment;
A kind of display panels schematic diagram that Fig. 2 provides for the utility model second embodiment;
A kind of display panels that Fig. 3 provides for the utility model second embodiment and flexible printed circuit board pressing schematic diagram;
Fig. 4 is the sectional structure schematic diagram along AA ' line in Fig. 3.
Embodiment
Although be described in more detail the utility model below with reference to accompanying drawings, which show preferred embodiment of the present utility model, should be understood to those skilled in the art can modify on the basis of the description, and still can realize advantageous effects of the present utility model.Therefore, following description is appreciated that the expansion of the thinking to those skilled in the art, and not as to restriction of the present utility model.
In order to clearly describe whole features of practical embodiments.They in the following description, are not described in detail known function and structure, because can make the utility model chaotic due to unnecessary details.Will be understood that in the exploitation of any practical embodiments, a large amount of implementation detail must be made to realize the specific objective of developer, such as, according to regarding system or the restriction about business, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but be only routine work for a person skilled in the art.
In the following passage, more specifically the utility model is described by way of example with reference to accompanying drawing.Make main points of the present utility model and feature will be clearer according to following explanation.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, clearly aid illustration the utility model embodiment.
First embodiment
The present embodiment provides a kind of polaroid, as shown in Figure 1, and a kind of polaroid schematic diagram that Fig. 1 provides for the utility model first embodiment.In the present embodiment, polaroid 100 comprises: main part 101; And the port part 102 to be connected with described main part 101; Polaroid 100 is also provided with touch-control circuit, touch-control circuit comprises position of touch identification circuit 101a and the signal that position of touch identification circuit 101a recognizes is exported to the touch-control conductor wire 101b of external circuit, port part 102 is provided with conductive metal terminals 103a, touch-control conductor wire 101b connects conductive metal terminals 103a and position of touch identification circuit 101a respectively, main part 101 and port part 102 are interconnected, and the side ab length of main part 101 is greater than the side cd length of port part 102.In the present embodiment, main part 101 is one-body molded with port part 102, and main part 101 and port part 102 are rectangle, and the area of port part 102 is less than the area of main part 101.The polaroid that the present embodiment provides, when flexible printed circuit board is in the port part of syndeton being tied to polaroid, the side ab length of main part 101 is greater than the side cd length of port part 102, flexible printed circuit board complete capped end oral area when pressing can be made, during pressing, flexible printed circuit board is provided with between thermal head and polaroid, the heat radiation that thermal head produces is intercepted by flexible printed circuit board, indirectly-acting is on polaroid, during pressing, polaroid heating temperature reduces greatly, polaroid with flexible printed circuit board process for pressing after without to turn to be yellow region, thus polaroid outward appearance and polaroid light transmission function normal, touch-control circuit on polaroid can not because of temperature distortion during pressing conducting abnormal.
It should be noted that, touch-control circuit in the present embodiment is only illustrational for the ease of understanding, can not be interpreted as restriction of the present utility model, according to customer demand and product design needs, position of touch identification circuit also can be electric capacity or the electric resistance touch-control figure of other shapes, and touch-control conductor wire also can be arranged on position of touch identification circuit both sides.
Optionally, port part 102 shape can also be trapezoidal or parallelogram.
Second embodiment
The present embodiment provides a kind of display panels, as shown in Figure 2, Figure 3 and Figure 4, a kind of display panels schematic diagram that Fig. 2 provides for the utility model second embodiment, a kind of display panels that Fig. 3 provides for the utility model second embodiment and flexible printed circuit board pressing schematic diagram, Fig. 4 is the sectional structure schematic diagram along AA ' line in Fig. 3.Display panels comprises: array base palte 220, color membrane substrates 210, and is arranged on the liquid crystal layer 260 between array base palte 220 and color membrane substrates 210; Display panels also comprises: the upper polaroid 200a being arranged on the lower polaroid 200b outside array base palte 220 and being arranged on outside color membrane substrates 210; Wherein, upper polaroid 200a comprises: main part 201; And the port part 202 to be connected with described main part 201; Upper polaroid 200a is also provided with touch-control circuit, touch-control circuit comprises position of touch identification circuit 201a and the signal that position of touch identification circuit 201a recognizes is exported to the touch-control conductor wire 201b of external circuit, port part 202 is provided with conductive metal terminals 203a, touch-control conductor wire 201b connects conductive metal terminals 203a and position of touch identification circuit 201a respectively, main part 201 and port part 202 are interconnected, and the side ab length of main part 201 is greater than the side cd length of port part 202.In the present embodiment, main part 201 is one-body molded with port part 202, and main part 201 and port part 202 are rectangle, and the area of port part 202 is less than the area of main part 201.
Further, display panels comprises viewing area and the frame region around periphery, described viewing area, wherein, the main part of upper polaroid is corresponding with the position, viewing area of display panels, and the port part of upper polaroid is corresponding with the frame region position of display panels.Conductive metal terminals 203a is positioned at polaroid 200a upper surface, and port part 203 is connected with flexible printed circuit board 230 by process for pressing, and wherein, the conductive metal terminals 203a of port part 203 is electrically connected with the golden finger end 231 of flexible printed circuit board 230.
Port part 203 and flexible printed circuit board 230 are connected by process for pressing and are specially: on the surface of upper polaroid 200a or attach anisotropy conductiving glue 250 on the surface of golden finger end 231; By flexible printed circuit board 230 and upper polaroid 200a contraposition; The side surface being provided with golden finger end 231 of flexible printed circuit board 230 is attached towards conductive metal terminals 203a, wherein, between golden finger end 231 and conductive metal terminals 203a, accompanies anisotropy conductiving glue 250; Hot pressing board is used to carry out pressing to golden finger end 231 and conductive metal terminals 203a, hot pressing board has heating head 240, by golden finger end 231 contraposition of heating head 240 with flexible printed circuit board 230, and heated by the golden finger end 231 of heating head 240 pairs of flexible printed circuit boards 230, make anisotropy conductiving glue bond flexible printed circuit board 230 and upper polaroid 200a.
The display panels that the present embodiment provides, time in the port part of flexible printed circuit board polaroid on being tied to, the side ab length of main part 201 is greater than the side cd length of port part 202, flexible printed circuit board complete capped end oral area when pressing can be made, during pressing, flexible printed circuit board is provided with between thermal head and polaroid, the heat radiation that thermal head produces is intercepted by flexible printed circuit board, indirectly-acting is on polaroid, during pressing, polaroid heating temperature reduces greatly, polaroid with flexible printed circuit board process for pressing after without to turn to be yellow region, thus polaroid outward appearance and polaroid light transmission function normal, touch-control circuit on polaroid can not because of temperature distortion during pressing conducting abnormal.
In the present embodiment, to be arranged on the upper polaroid outside described color membrane substrates, optionally, also the lower polaroid be arranged on outside array base palte can be arranged to said structure.
Optionally, polaroid also can be set to a main part and also can be connected with multiple port part, when touch-control circuit needs, from multiple directions, the signal that position of touch identification circuit recognizes is exported to external circuit, multiple port part can be set at multiple sides of polaroid, each described port part is provided with conductive metal terminals, and is connected with touch-control conductor wire, wherein, multiple port part can be positioned at the same side of main part, also can multiple port position in the different sides of main part.
The present embodiment also provides a kind of liquid crystal indicator, comprises above-mentioned display panels.
In sum, although the utility model discloses as above with preferred embodiment, so itself and be not used to limit the utility model, those skilled in the art can do various changes and retouching under the prerequisite not departing from spirit and scope of the present utility model, if therefore these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.Protection domain of the present utility model is as the criterion with claim of the present utility model.
Claims (10)
1. a polaroid, has touch-control circuit, it is characterized in that, comprising:
Main part;
And at least one port part to be connected with described main part;
Wherein, described main part is provided with described touch-control circuit, and described port part is provided with the conductive metal terminals be connected with described touch-control circuit; Further, at described main part and the interconnective side of described port part, the side edge length of described main part is greater than the side edge length of described port part.
2. polaroid as claimed in claim 1, is characterized in that, described main part and described port part one-body molded.
3. polaroid as claimed in claim 1, it is characterized in that, the shape of described port part is rectangle, trapezoidal or parallelogram.
4. a display panels, is characterized in that, comprising:
Array base palte, color membrane substrates, and be arranged on the liquid crystal layer between described array base palte and described color membrane substrates;
Described display panels also comprises: be arranged on outside described array base palte and be arranged on the polaroid outside described color membrane substrates;
Described polaroid comprises: main part, at least one port part be connected with described main part; Wherein, described main part is provided with can the touch-control circuit of sensing touch position, and described port part is provided with the conductive metal terminals be connected with described touch-control circuit; Further, at main part and the interconnective side of port part, the side edge length of described main part is greater than the side edge length of described port part.
5. display panels as claimed in claim 4, it is characterized in that, described polaroid is the lower polaroid be arranged on outside described array base palte; Or described polaroid is the upper polaroid be arranged on outside described color membrane substrates.
6. display panels as claimed in claim 4, it is characterized in that, described display panels comprises viewing area and the frame region around periphery, described viewing area, wherein, the main part of described polaroid is corresponding with the position, viewing area of described display panels, and the port part of described polaroid is corresponding with the frame region position of described display panels.
7. display panels as claimed in claim 4, is characterized in that, described conductive metal terminals is positioned at described polaroid surface.
8. display panels as claimed in claim 4, it is characterized in that, described port part is connected with external circuit by process for pressing.
9. display panels as claimed in claim 4, it is characterized in that, described main part is connected with multiple described port part, and described multiple port position is in the same side of described main part, or described multiple port position is in the different sides of described main part.
10. a liquid crystal indicator, comprise as arbitrary in claim 4-9 as described in display panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700572.6U CN204287651U (en) | 2014-11-20 | 2014-11-20 | A kind of polaroid, display panels and liquid crystal indicator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420700572.6U CN204287651U (en) | 2014-11-20 | 2014-11-20 | A kind of polaroid, display panels and liquid crystal indicator |
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| CN204287651U true CN204287651U (en) | 2015-04-22 |
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| CN201420700572.6U Active CN204287651U (en) | 2014-11-20 | 2014-11-20 | A kind of polaroid, display panels and liquid crystal indicator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404049A (en) * | 2016-01-04 | 2016-03-16 | 京东方科技集团股份有限公司 | Liquid crystal display and display device |
| CN106094305A (en) * | 2016-08-04 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of method adjusting size of electronic display and application |
| CN107491207A (en) * | 2017-08-07 | 2017-12-19 | 长沙市宇顺显示技术有限公司 | A kind of encapsulating method of ON CELL products and its binding region |
| CN110943106A (en) * | 2018-09-21 | 2020-03-31 | 上海和辉光电有限公司 | Display panel and manufacturing method thereof |
-
2014
- 2014-11-20 CN CN201420700572.6U patent/CN204287651U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105404049A (en) * | 2016-01-04 | 2016-03-16 | 京东方科技集团股份有限公司 | Liquid crystal display and display device |
| CN105404049B (en) * | 2016-01-04 | 2018-04-17 | 京东方科技集团股份有限公司 | A kind of liquid crystal display and display device |
| CN106094305A (en) * | 2016-08-04 | 2016-11-09 | 深圳市华星光电技术有限公司 | A kind of method adjusting size of electronic display and application |
| CN106094305B (en) * | 2016-08-04 | 2019-08-30 | 深圳市华星光电技术有限公司 | A kind of method and application adjusting size of electronic display |
| CN107491207A (en) * | 2017-08-07 | 2017-12-19 | 长沙市宇顺显示技术有限公司 | A kind of encapsulating method of ON CELL products and its binding region |
| CN107491207B (en) * | 2017-08-07 | 2020-08-04 | 长沙市宇顺显示技术有限公司 | ON-CE LL product and sealing method of binding region thereof |
| CN110943106A (en) * | 2018-09-21 | 2020-03-31 | 上海和辉光电有限公司 | Display panel and manufacturing method thereof |
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