CN201285648Y - Improved structure for display - Google Patents
Improved structure for display Download PDFInfo
- Publication number
- CN201285648Y CN201285648Y CNU2008201315776U CN200820131577U CN201285648Y CN 201285648 Y CN201285648 Y CN 201285648Y CN U2008201315776 U CNU2008201315776 U CN U2008201315776U CN 200820131577 U CN200820131577 U CN 200820131577U CN 201285648 Y CN201285648 Y CN 201285648Y
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- Prior art keywords
- circuit board
- land
- printed circuit
- display
- electrode
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Abstract
The utility model relates to an improved display which is manufactured by combining a glass flip-chip process with a film flip-chip process. The display comprises a display panel, at least one film flip-chip circuit board, a flexible printed circuit board and at least one printed circuit board, wherein the signal output end of the film flip-chip circuit board is electrically connected with the display panel, and the signal input end of the film flip-chip circuit board is electrically connected with the printed circuit board by the flexible printed circuit board, thus, the process yield can be improved and less spaced is occupied by the components.
Description
Technical field
The utility model relates to optical display, more detailed be meant a kind of in conjunction with glass flip chip technology and membrane of flip chip technology and the display improvement structure of making.
Background technology
Fig. 1 is existing glass flip chip technology (the Chip on Glass that uses, COG) display 1 of Zhi Zuoing, it comprises a display panel 2, the infrabasal plate 2a of this display panel 2 has a land 2b, one drive integrated circult (IC) 3 is electrically connected at the land 2b of this infrabasal plate 2a, one flexible printed circuit board (Flexible Printed Circuit, FPC) 4 one ends also are electrically connected to the land 2b of this infrabasal plate 2a and electrically conduct with this drive integrated circult 3, (Printed Circuit Board PCB) 5 electrically connects the other end with a printed circuit board (PCB) again.Aforesaid display 1 structure, its land 2b must possess than large tracts of land, this drive integrated circult 3 of Fang Dewei combines with it smoothly with this flexible printed circuit board 4, but, crossing large-area land 2b will cause display panel 2 volumes to dwindle, for display 1 product require day by day compact for, as if be not inconsistent expectation, secondly, cross large-area land 2b and will make that the cost of display panel 2 is difficult to reduce, moreover drive integrated circult 3 directly is arranged at the mode of infrabasal plate 2a, has the low shortcoming of process rate.
Fig. 2 is existing membrane of flip chip technology (the Chip on Fi1m that uses, COF) display 6 of Zhi Zuoing, it comprises a display panel 7, a membrane of flip chip circuit board 8 and a printed circuit board (PCB) (PCB) 9, the infrabasal plate 7a of this display panel 7 also has a land 7b, this membrane of flip chip circuit board 8 comprises a flexible PCB 8a and a drive integrated circult (IC) 8b, the land 7b of this flexible PCB 8a one end and this infrabasal plate 7a electrically connects, and the other end and this printed circuit board (PCB) 9 electrically connect.Because drive integrated circult 8b is incorporated on the flexible PCB 8a, therefore, the land 7b area of this infrabasal plate 7a does not need excessive, compares with the display 1 of above-mentioned use glass flip chip fabrication techniques, as if this display 6 more can meet the compact requirement of product, and can reduce cost.Yet, being limited by flexible PCB 8a is to make in the winding mode, making provides the printed circuit board (PCB) 9 of the required enabling signal of drive integrated circult 8b only can be connected in the side place of the relative infrabasal plate 7a of flexible PCB 8a, cause and take too much mechanism space, again under the situation that has a plurality of membrane of flip chip circuit boards 8 to exist, also will cause printed circuit board (PCB) 9 areas that are connected with its grade excessive, for integral display, aforementioned circumstances certainly will cause consumption to account for more mechanism space, in view of this, this case creator thinks funiculus through detailed, and the long-pending research and development experience of being engaged in optical display for many years, and generation of the present utility model is arranged eventually.
The utility model content
In order to solve prior art problems, fundamental purpose of the present utility model is to provide a kind of structure-improved of display, can promote process rate, and can reduce member and take too much mechanism space.
Edge is to reach above-mentioned purpose, and the structure-improved of a kind of display provided by the utility model comprises: a display panel, the land with at least one tool electric conductivity; At least one membrane of flip chip circuit board, comprise a flexible PCB and a drive integrated circult (IC), wherein this flexible PCB has an at least one signal input part and a signal output part, this drive integrated circult is electrically connected between this signal input part and this signal output part, and the land of this signal output part and this display panel electrically connects; One flexible printed circuit board has at least one first conducting end and at least one second conducting end, and the signal input part of this second conducting end and this membrane of flip chip circuit board electrically connects; And at least one printed circuit board (PCB) (PCB), being electrically connected at first conducting end of this flexible printed circuit board, this printed circuit board (PCB) provides enabling signal to this drive integrated circult.
The beneficial effects of the utility model: the technical scheme that adopts drive integrated circult and membrane of flip chip circuit board, promoted process rate, and can reduce the area that the membrane of flip chip circuit board combines with display panel, be of value to product and make, and can reduce the panel cost expenditure towards compact direction; This flexible printed circuit board several membrane of flip chip circuit boards of having contacted have also been adopted, so number of printed circuit board (PCB) capable of reducing using, reduce the mechanism space that takies display relatively, because of printed circuit board (PCB) is the free end that is connected in flexible printed circuit board, make whole mechanism when assembling, have more usability again.
Description of drawings
Fig. 1 is the existing display synoptic diagram that uses the glass flip chip fabrication techniques.
Fig. 2 is the existing display synoptic diagram that uses the membrane of flip chip fabrication techniques.
Fig. 3 is the exploded perspective view of the utility model one preferred embodiment.
Fig. 4 is the part exploded perspective view of the above-mentioned preferred embodiment of the utility model.
Fig. 5 is the combination stereogram of the above-mentioned preferred embodiment of the utility model.
Fig. 6 is the partial enlarged drawing of the above-mentioned preferred embodiment of the utility model.
Fig. 7 is the exploded perspective view of another preferred embodiment of the utility model.
Fig. 8 is the partial enlarged drawing of above-mentioned another preferred embodiment of the utility model.
[main element symbol description]
100 displays
10 display panels
10a infrabasal plate 10b upper substrate
Segment electrode before the 121 first electrode 121a of 12 first lands
Segment electrode before the segment electrode 122 second electrode 122a behind the 121b
Segment electrode before the 161 third electrode 161a of 16 the 3rd lands
Segment electrode before segment electrode 162 the 4th electrode 162a behind the 161b
Segment electrode behind the 162b
20 membrane of flip chip circuit boards
22 flexible PCBs, 221 signal output part 221a lead-in wire
222 signal input part 222a lead-in wire 222b lead-in wire
24 drive integrated circults (IC)
30 flexible printed circuit boards
32 upper copper leads, 321 first conducting end, 34 lower floor's copper conductors
341 second conducting end, 36 conductive holes
40 printed circuit board (PCB)s (PCB)
200 displays
50 display panels
52 lands, 521 parallel poles
60 membrane of flip chip circuit boards
62 flexible PCBs, 621 signal output part 621a lead-in wire
622 signal input parts, 64 drive integrated circults (IC)
70 flexible printed circuit boards
72 upper copper leads, 721 first conducting end, 74 lower floor's copper conductors
741 second conducting end, 76 conductive holes
80 printed circuit board (PCB)s (PCB)
Embodiment
See also Fig. 3, structure-improved synoptic diagram for the utility model one preferred embodiment display, in the present embodiment, this display 100 includes a display panel 10, two membrane of flip chip circuit boards 20, a flexible printed circuit board 30 and a printed circuit board (PCB) 40 (PCB), wherein:
This display panel 10 is a liquid crystal panel in present embodiment, this display panel 10 has an infrabasal plate 10a and a upper substrate 10b, please cooperate shown in Figure 4 again, this infrabasal plate 10a has two groups by one first land 12, one second land 14 and one the 3rd land 16 that a plurality of electrode constituted, each electrode is being represented the transmission of a signal, for ease of explanation, Yu Houzi is the example narration with one group, wherein:
This first land 12 is contained two electrodes, as shown in Figure 3, be respectively first electrode 121 and second electrode 122, each electrode also can be distinguished into preceding segment electrode 121a, a 122a and a back segment electrode 121b, 122b, and wherein the back segment electrode 121b profile of this first electrode 121 generally becomes T-shape and form one to aim at pattern;
This second land 14 is contained many parallel pole 141;
The 3rd land 16 is contained two electrodes, be respectively third electrode 161 and the 4th electrode 162, segment electrode 161a, 162a and a back segment electrode 161b, 162b before each electrode also is distinguished into one, wherein the preceding segment electrode 161a profile of this third electrode 161 generally becomes the back segment electrode 161b profile of T-shape, this third electrode 161 generally to become "+" type, and its grade respectively constitutes one and aims at pattern.
The structure of this two membrane of flip chip circuit board 20 is identical, and Yu Houzi please cooperate Fig. 3 with one of them membrane of flip chip circuit board 20 explanation, and membrane of flip chip circuit board 20 includes a flexible PCB 22 and a drive integrated circult (IC) 24, wherein:
This flexible PCB 22 has a signal output part 221 and is arranged with a signal input part 222 in the both sides of this signal output part 221 in the same side, this signal output part 221 is made of number and the described parallel pole 141 identical lead-in wire 221a with electric conductivity, respectively each is by two lead-in wire 222a with electric conductivity for 222 of this signal input parts, 222b constitutes, the profile of 222a of wherein going between is T-shape and forms a pair of bit patterns, lead-in wire 222b then is a straight line, as shown in Figure 6, flexible PCB 22 after the assembling, with its lead-in wire 221a and parallel pole 141 corresponding contact conductings, each go between 222a respectively with the back segment electrode 121b of first electrode 121, the corresponding contact of the back segment electrode 161b conducting of third electrode 161, because of lead-in wire 222a and each back segment electrode 121b, the profile of 161b is special, and has the effectiveness of ease of assembly contraposition reference, in addition, each go between 222b then with the back segment electrode 122b of second electrode 122, the corresponding contact of the back segment electrode 162b conducting of the 4th electrode 162;
This drive integrated circult 24 is positioned on this flexible PCB 22, and is electrically connected at respectively between this signal input part 222 and this signal output part 221.
This flexible printed circuit board 30 is a strip, its face width protrudes in upper substrate 10b part in addition less than the infrabasal plate 10a of this display panel 10, this flexible printed circuit board 30 has many upper copper leads (solid line is represented among the figure) 32, many lower floor's copper conductors 34 and a plurality of conductive holes 36, and each layer copper conductor outside is covered with a protective seam (figure does not show) again; Wherein, respectively these upper copper lead 32 1 ends form one first conducting end 321, respectively this lower floor's copper conductor 34 has one second conducting end 341 that is made of naked copper part (dotted line is represented among the figure), described conductive hole 36 electrically connects corresponding upper copper conductor 32 and lower floor's copper conductor 34, win conducting end 321 and second conducting end 341 are formed to electrically conduct, as Fig. 5, shown in 6, flexible printed circuit board 30 after the assembling, second conducting end 341 of its lower floor's copper conductor 34 and first electrode 121, the preceding segment electrode 121a of second electrode 122,122a, and third electrode 161, the preceding segment electrode 161a of the 4th electrode 162, the corresponding contact of 162a conducting, and specifically, the profile of second conducting end 341 of at least one lower floor copper conductor 34 form cooperate with the preceding segment electrode 161a of this third electrode 161 to bit patterns, be beneficial to the contraposition reference when assembling.
This printed circuit board (PCB) 40 is incorporated into this flexible printed circuit board 30 1 sides, and electrically connect with described first conducting end 321, segment electrode 121a (122a, 161a, 162a) before the enabling signal that this printed circuit board (PCB) 40 is provided imports via second conducting end 341, import respectively this signal input part 222 and enter this drive integrated circult 24 by back segment electrode 121b (122b, 161b, 162b) again, afterwards, signal continues to follow this signal output part 221 and enters display panel 10, reaches the purpose that shows control.
More than, be the explanation of present embodiment display 100 each element and relevant position thereof, these display 100 structures are not to be arranged on the display panel 10 because of drive integrated circult 24, so can promote process rate, and can reduce the area that membrane of flip chip circuit board 20 combines with display panel 10, be of value to product and make, and can reduce the panel cost expenditure towards compact direction; Secondly, be indebted to this flexible printed circuit board 30 several membrane of flip chip circuit boards 20 of having contacted, so number of printed circuit board (PCB) 40 capable of reducing using, reduce the mechanism space that takies display 100 relatively, because of printed circuit board (PCB) 40 is the free ends that are connected in flexible printed circuit board 30, make whole mechanism when assembling, have more usability again.
Please consult shown in Fig. 7,8 again, display synoptic diagram for another preferred embodiment of the utility model, in this embodiment, display 200 has a display panel 50, two membrane of flip chip circuit boards 60, a flexible printed circuit board 70 and a printed circuit board (PCB) 80 (PCB) equally, and different with the display 100 of previous embodiment be in:
The display panel 50 of display 200 cooperates each membrane of flip chip circuit board 60 and the land 52 that only has a correspondence, and this land 52 is made of many parallel poles 521; The signal output part 621 of the flexible PCB 62 of each membrane of flip chip circuit board 60 constitutes for a plurality of leads 621a and contacts with described parallel pole 521,622 one sides that are arranged at relative signal output terminal 621 of the signal input part of membrane of flip chip circuit board 60, and it has the aligned pattern that profile generally is T-shape; And these flexible printed circuit board 70 structures are generally identical with the flexible printed circuit board 30 of previous embodiment and have a upper copper lead 72, lower floor's copper conductor 74 and conductive hole 76, wherein upper copper lead 72 1 ends form first conducting end 721 and electrically connect with printed circuit board (PCB) 80, lower floor's copper conductor 74 also has second conducting end 741 that partly is made of naked copper and contacts with the signal input part 622 of membrane of flip chip circuit board 60, specifically, second conducting end 741 of part lower floor copper conductor 74 is to form the T-shape cooperate with the aligned pattern of signal input part 622 to bit patterns, the contraposition reference when helping to assemble.
The enabling signal that this printed circuit board (PCB) 80 is provided directly imports corresponding signal input part 622 via second conducting end 741 and enters drive integrated circult (IC) 64 again, and afterwards, the continuous signal output part 621 that follows enters display panel 50 to reach demonstration control purpose.This display 200 possesses the effect of identical aforementioned display 100, repeats no more in this.
The above only is of the present utility model two preferable possible embodiments, and every application the utility model instructions and claim scope institute equivalent structure for it change, and ought to be included in the claim scope of the present utility model.
Claims (8)
1. the structure-improved of a display is characterized in that, comprises:
One display panel, the land with at least one tool electric conductivity;
At least one membrane of flip chip circuit board, comprise a flexible PCB and a drive integrated circult, wherein this flexible PCB has an at least one signal input part and a signal output part, this drive integrated circult is electrically connected between this signal input part and this signal output part, and the land of this signal output part and this display panel electrically connects;
One flexible printed circuit board has at least one first conducting end and at least one second conducting end, and the signal input part of this second conducting end and this membrane of flip chip circuit board electrically connects; And
At least one printed circuit board (PCB) is electrically connected at first conducting end of this flexible printed circuit board, and this printed circuit board (PCB) provides enabling signal to this drive integrated circult.
2. the structure-improved of display according to claim 1 is characterized in that at least one land of this display panel comprises one first land and one second land; The flexible PCB of this membrane of flip chip circuit board has this signal input part and this signal output part in the same side, this signal output part and this second land electrically connect; Second conducting end of this flexible printed circuit board electrically connects by this first land and this signal input part.
3. as the structure-improved of display as described in the claim 2, it is characterized in that first land of this display panel has at least one electrode, this electrode have be connected one before a segment electrode and a back segment electrode; The signal input part of this membrane of flip chip circuit board contacts conducting with this back segment electrode; This flexible printed circuit board has many upper copper leads, many lower floor's copper conductors and a plurality of conductive hole in order to electrically connect corresponding upper copper conductor and lower floor's copper conductor, wherein respectively this upper copper lead one end forms this first conducting end, respectively this lower floor's copper conductor has this second conducting end that partly is made of naked copper, and wherein at least one this second conducting end contacts conducting with the preceding segment electrode of this first land.
4. as the structure-improved of display as described in the claim 3, it is characterized in that, the profile of the back segment electrode of this display panel first land constitutes one and aims at pattern, the signal input part of this membrane of flip chip circuit board be the lead-in wire of tool electric conductivity constitute and its profile constitute one cooperate with this aligned pattern to bit patterns.
5. as the structure-improved of display as described in the claim 3, it is characterized in that at least one land of this display panel also includes one the 3rd land, the 3rd land has at least one electrode, this electrode have be connected one before a segment electrode and a back segment electrode; At least one signal input part of the flexible PCB of this membrane of flip chip circuit board also comprises second signal input part being located at this signal output part same side, and this second signal input part contacts conducting with the back segment electrode of the 3rd land; Wherein this second conducting end of the described lower floor copper conductor of this flexible printed circuit board contacts conducting with the preceding segment electrode of the 3rd land.
6. as the structure-improved of display as described in the claim 5, it is characterized in that, the leading portion electrode profile of this display panel the 3rd land constitutes one and aims at pattern, wherein this second conducting end of the described lower floor copper conductor of this flexible printed circuit board form one cooperate with this aligned pattern to bit patterns.
7. the structure-improved of display according to claim 1 is characterized in that the land of this display panel is made of many strip electrodes; The signal output part of the flexible PCB of this membrane of flip chip circuit board is that a plurality of leads constitutes and contacts with described electrode; This flexible printed circuit board has many upper copper leads, many lower floor's copper conductors and a plurality of conductive hole in order to electrically connect corresponding upper copper conductor and lower floor's copper conductor, wherein respectively this upper copper lead one end forms this first conducting end, respectively this lower floor's copper conductor has this second conducting end that partly is made of naked copper, and wherein at least one this second conducting end contacts conducting with the signal input part of the flexible PCB of this membrane of flip chip circuit board.
8. as the structure-improved of display as described in the claim 7, it is characterized in that, the signal input part of the flexible PCB of this membrane of flip chip circuit board is that the lead-in wire of tool electric conductivity and its profile constitute one and aim at pattern, wherein this second conducting end of the described lower floor copper conductor of this flexible printed circuit board form one cooperate with this aligned pattern to bit patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201315776U CN201285648Y (en) | 2008-09-16 | 2008-09-16 | Improved structure for display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201315776U CN201285648Y (en) | 2008-09-16 | 2008-09-16 | Improved structure for display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285648Y true CN201285648Y (en) | 2009-08-05 |
Family
ID=40950630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201315776U Expired - Fee Related CN201285648Y (en) | 2008-09-16 | 2008-09-16 | Improved structure for display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285648Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915065A (en) * | 2012-12-31 | 2014-07-09 | 施耐德电器工业公司 | Liquid crystal display module |
| CN104902681A (en) * | 2014-03-06 | 2015-09-09 | 矽创电子股份有限公司 | Panel circuit |
| CN110890393A (en) * | 2018-09-11 | 2020-03-17 | 启端光电股份有限公司 | Micro light emitting diode display panel |
-
2008
- 2008-09-16 CN CNU2008201315776U patent/CN201285648Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915065A (en) * | 2012-12-31 | 2014-07-09 | 施耐德电器工业公司 | Liquid crystal display module |
| CN103915065B (en) * | 2012-12-31 | 2016-06-08 | 施耐德电器工业公司 | Liquid crystal display module |
| CN104902681A (en) * | 2014-03-06 | 2015-09-09 | 矽创电子股份有限公司 | Panel circuit |
| CN110890393A (en) * | 2018-09-11 | 2020-03-17 | 启端光电股份有限公司 | Micro light emitting diode display panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20091016 |