CN100378797C - Double screen display module - Google Patents
Double screen display module Download PDFInfo
- Publication number
- CN100378797C CN100378797C CNB2004100047786A CN200410004778A CN100378797C CN 100378797 C CN100378797 C CN 100378797C CN B2004100047786 A CNB2004100047786 A CN B2004100047786A CN 200410004778 A CN200410004778 A CN 200410004778A CN 100378797 C CN100378797 C CN 100378797C
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- Prior art keywords
- display panel
- circuit board
- double
- connecting interface
- display module
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- Expired - Lifetime
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- 238000003825 pressing Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012797 qualification Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
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Abstract
The present invention discloses a double screen display module which at least comprises a share circuit plate, a first display panel and a second display panel, wherein the share circuit plate is provided with a first surface and a second surface, and the first display panel and the second display panel are respectively arranged on the first surface and the second surface. At least one of the first display panel and the second display panel is directly pressed on the share circuit plate through a connecting interface on the share circuit plate. The double screen display module has low manufacture cost and can provide high assembly qualified rate.
Description
Technical field
The present invention relates to a kind of display module (display module), and be particularly related to a kind of double-screen display module (dualdisplay module) with lower cost of manufacture and good assembled yield.
Background technology
In information society now, human dependence to portable electric product increases day by day gradually, and mobile phone, mobile computer, PDA(Personal Digital Assistant) etc. are seen everywhere arround life such as.Therefore these portable electric products produce inseparable relation with daily life.Along with the continuous evolution of electronics technology, has hommization, functional good portable electric product is also constantly weeded out the old and bring forth the new.With mobile phone, common on the market mobile phone pattern has a variety of at present, except operation interface (keypad) and display screen are positioned at the conplane stand hand-set, have more the clamshell phone that a kind of operation interface (keypad) and display screen can be amounted to relatively.Clamshell phone has advantages such as the light and handy and display screen of volume is bigger with respect to stand hand-set, and a kind of clamshell phone with double screen recently more appears on the market, it is that this secondary screen for example can show the time or have the function of caller identification at the less secondary screen of configuration one size on the front plane surface of main screen.
Please refer to Figure 1A and Figure 1B, it is respectively the front view and the rear view of the double-screen display module of known a kind of mobile phone.Double-screen display module 100 for example has one first display panel 110, one second display panel 120, a first circuit board 130 and a second circuit board 140, and the size of first display panel 110 is greater than the size of second display panel 120.First circuit board 130 has a first surface 132 and a second surface 134, and first display panel 110 is disposed on the first surface 132 of first circuit board 130, and by a soft connecting circuit plate 150 and first circuit board 130 electric connections, one end of wherein soft connecting circuit plate 150 is connected with the periphery circuit of first display panel 110, and its other end is walked around the side of first circuit board 130, and is pressed on by anisotropic conductive on the first connecting interface 134a of second surface 134 of first circuit board 130.
Refer again to Figure 1B, the two or two display panel 120 is disposed at second surface 134 tops of first circuit board 130, and be electrically connected to by second circuit board 140 on the second connecting interface 134b of first circuit board 130, wherein second circuit board 140 is a flexible circuit board, and by anisotropic conductive and with the mode of pressing and first circuit board 130 electric connections.In above-mentioned cohesive process, first display panel 110 is actions of carrying out pressing earlier with first circuit board 130, and second display panel 120 also electrically connects with second circuit board 140 by the action of one pressing, again with first circuit board 130 and second circuit board 140 pressings, amounting to its cohesive process needs through three road process for pressing at last.
In addition, above-mentioned second circuit board 140 still can electrically connect by alternate manner and first circuit board 130, please refer to Fig. 1 C, it is the rear view of the double-screen display module of known another kind of mobile phone, wherein second circuit board 140 is assembled on the first circuit board 130 through a connector (connector) 160, so the combined process of double-screen display module 100 comprises twice process for pressing and one packaging technology.By the assembling mode of connector 160, though directly the mode of pressing has higher cost of manufacture, because of a jack of connector 160 can be connected in series a plurality of pins simultaneously, so preferable extended function can be provided.In addition, it also helps the action of the follow-up maintenance of product by the combination of assembling.
Yet, in above-mentioned two kinds of double-screen display modules, because needing to see through first circuit board and second circuit board respectively, first display panel and second display panel carry out combination, thus, though be adopt flexible circuit board pressing mode or assemble by a connector, all will spend higher cost of manufacture.In addition, known double-screen display module needs through three road technologies when assembling, and more technology number often causes the built-up time lengthening, and makes assembler slip up easily, causes the reduction of speed of production and packaging qualification rate.
Summary of the invention
Therefore, purpose of the present invention is providing a kind of double-screen display module exactly, with reduction module cost, and promotes speed of production and packaging qualification rate (yield).
Based on above-mentioned purpose, the present invention proposes a kind of double-screen display module, comprises shared circuit board, one first display panel and one second display panel at least, and wherein the size of first display panel can be greater than or less than the size of second display panel.Shared circuit board has a first surface and a second surface, and shared circuit board has more a connecting interface, and wherein, connecting interface is positioned on the second surface.In addition, first display panel configurations and electrically connects with shared circuit board on the first surface of sharing circuit board.In addition, second display panel configurations is on the second surface of sharing circuit board, and by connecting interface and the electric connection of shared circuit board.
In above-mentioned double-screen display module, wherein share circuit board for example comprise flexible circuit board and soft or hard combined circuit plate one of them, and first display panel and second display panel for example comprise display panels, LED display panel and organic electric-excitation luminescent displaying panel one of them.In addition, connecting interface for example can be a connector, and in order to connecting second display panel and connecting interface, or connecting interface also can be electrically connected between second display panel and the connecting interface by an anisotropy conductive film or an anisotropic conductive.
Based on above-mentioned purpose, the present invention more proposes another kind of double-screen display module, comprises shared circuit board, one first display panel and one second display panel at least, and wherein the size of first display panel can be greater than or less than the size of second display panel.Shared circuit board has a first surface and a second surface, and shared circuit board has more one first connecting interface and one second connecting interface, and wherein, first connecting interface is positioned on the first surface, and second connecting interface is positioned on the second surface.In addition, first display panel configurations is on a surface of sharing circuit board, and by this first connecting interface and the electric connection of shared circuit board.In addition, second display panel configurations is on two surfaces of sharing circuit board, and by second connecting interface and the electric connection of shared circuit board.
In two kinds of above-mentioned double-screen display modules, wherein share circuit board for example comprise flexible circuit board and soft or hard combined circuit plate one of them, and first display panel and second display panel for example comprise display panels, LED display panel and organic electric-excitation luminescent displaying panel one of them.First connecting interface and second connecting interface for example can pass through a connector respectively, and electrically connect with first display panel and second display panel.In addition, first connecting interface and second connecting interface also can pass through an anisotropy conductive film or an anisotropic conductive, and electrically connect with first display panel and second display panel.
Based on above-mentioned, double-screen display module of the present invention is at least one surface configuration one connecting interface of sharing circuit board, and first display panel (or second display panel) can directly be pressed on the connecting interface by anisotropic conductive or anisotropy conductive film, so that first display panel (or second display panel) is electrically connected to shared circuit board.Thus, compare the cost of required cost when double-screen display module of the present invention can save at least one flexible circuit board and pressing thereof, and the speed when improve producing and the packaging qualification rate of product with known technology.
It should be noted that, under the situation of not considering cost of manufacture, the kenel of above-mentioned connecting interface also can be a connector, conducting medium in the time of so will need not using anisotropic conductive or anisotropy conductive film as a pressing, and the mode that can change with assembling makes first display panel and second display panel be electrically connected to shared circuit board respectively.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. elaborate.
Description of drawings
Figure 1A is the front view of the double-screen display module of known a kind of mobile phone;
Figure 1B is the rear view of the double-screen display module of known a kind of mobile phone;
Fig. 1 C is the rear view of the double-screen display module of known another kind of mobile phone;
Fig. 2 A is the front view of a kind of double-screen display module of mobile phone in the preferred embodiment of the present invention;
Fig. 2 B is the rear view of a kind of double-screen display module of mobile phone in the preferred embodiment of the present invention;
Fig. 3 A is the front view of the double-screen display module of another kind of mobile phone of the present invention;
Fig. 3 B is the rear view of the double-screen display module of another kind of mobile phone of the present invention.
100: double-screen display module
110: the first display panels
120: the second display panels
130: first circuit board
132: first surface
134: second surface
134a: first connecting interface
134b: second connecting interface
140: second circuit board
150: soft connecting circuit plate
160: connector
200: double-screen display module
210: the first display panels
220: the second display panels
230: share circuit board
232: first surface
234: second surface
234a: first connecting interface
234b: second connecting interface
240: flexible circuit board
300: double-screen display module
310: the first display panels
320: the second display panels
330: share circuit board
332: first surface
332a: first connecting interface
334: second surface
334a: second connecting interface
Embodiment
Please refer to Fig. 2 A and Fig. 2 B, is respectively the front view and the rear view of a kind of double-screen display module of mobile phone in the preferred embodiment of the present invention.Double-screen display module 200 is made of one first display panel 210, one second display panel 220 and shared circuit board 230, and wherein the size of first display panel 210 is greater than the size of second display panel 220.Share circuit board 230 and for example can be a flexible circuit board or a soft or hard combined circuit plate, it has a first surface 232 and a second surface 234, and more disposes one first connecting interface 234a and one second connecting interface 234b on the second surface 234.
Refer again to Fig. 2 A and Fig. 2 B, first display panel 210 and second display panel 220 for example can be display panels, LED display panel, organic electric-excitation luminescent displaying panel or other display device, and first display panel 210 is disposed on the first surface 232 of sharing circuit board 230, and be electrically connected at the first connecting interface 234a on the second surface 234 by a flexible circuit board 240, wherein the flexible circuit board 240 and the first connecting interface 234a pass through a for example anisotropic conductive (or an anisotropy conductive film), and electrically connect mutually in the mode of pressing.
Refer again to Fig. 2 B, second display panel 220 is disposed on the second surface 234 of sharing circuit board 230, and electrically connects with shared circuit board 230 by the second connecting interface 234b.Wherein, second display panel 220 and the second connecting interface 234b pass through a for example anisotropic conductive (or an anisotropy conductive film), and electrically connect mutually in the mode of pressing.
In above-mentioned double-screen display module, first display panel 210 is kept known combination, electrically connect with shared circuit board 230 by flexible circuit board 240, second display panel 220 then directly sees through the second connecting interface 234b and is pressed on the shared circuit board 230.Compare with known technology, above-mentioned double-screen display module is removed original in order to carry the flexible circuit board of second display panel, and save second display panel integrating step of flexible circuit board therewith, and only use the technology of twice pressing, therefore this double-screen display module not only can be saved cost of manufacture, and a preferable production efficiency can be provided.
It should be noted that, above-mentioned double-screen display module of the present invention also can exchange the combination of first display panel and second display panel, that is for example with first display panel configurations on the second surface of sharing circuit board, and first display panel directly is pressed on the shared circuit board by first connecting interface, second display panel then changes into and being disposed on the first surface, and is electrically connected to second connecting interface on the second surface by a flexible circuit board.
In addition, when first connecting interface and second connecting interface are disposed at the first surface of sharing circuit board and second surface respectively, first display panel and second display panel more can be directly and shared circuit board pressing, and do not need again by flexible circuit board and the electric connection of shared circuit board.Be described as follows especially exemplified by an embodiment at this, please refer to the front view and the rear view of the double-screen display module 300 of the another kind of mobile phone of the present invention shown in Fig. 3 A and Fig. 3 B, and hereinafter will only reach the bound fraction of sharing circuit board 330 and be illustrated with regard to first display panel 310, second display panel 320, other associated component and configuration relation about this double-screen display module please refer to the first above-mentioned embodiment, no longer repeat to give unnecessary details at this.
Please refer to Fig. 3 A, first display panel 310 is disposed on the first surface 332 of sharing circuit board 330, wherein has one first connecting interface 332a on the first surface 332, and first display panel 310 directly is pressed on the first connecting interface 332a by a for example anisotropic conductive, to electrically connect with shared circuit board 330.Then, please refer to Fig. 3 B, second display panel 320 is disposed on the second surface 334 of sharing circuit board 330, wherein has one second connecting interface 334a on the second surface 334, and second display panel 320 directly is pressed on the second connecting interface 334a by a for example anisotropic conductive, to electrically connect with shared circuit board 330.
In second kind of above-mentioned double-screen display module, direct and the shared circuit board pressing of first display panel and second display panel, and need not re-use other flexible circuit board, thus, this double-screen display module will have lower cost of manufacture, and can save the process for pressing of the flexible circuit board that first display panel (or second display panel) and bridge joint use again.
In sum, double-screen display module of the present invention make win display panel and second display panel at least one of them, connecting interface direct and on the shared circuit board combines, wherein first display panel (or second display panel) can be by an anisotropic conductive for example or an anisotropy conductive film as conducting medium, share on the circuit board and directly be pressed on, reduce cost of manufacture and improve speed of production and the purpose of packaging qualification rate to reach.
In addition, under the situation of not considering cost of manufacture, connecting interface also can be the kenel of a connector, and first display panel and second display panel then can directly combine with shared circuit board by the mode of assembling, so that preferable extended function to be provided, and help follow-up product maintenance.In addition, though it is mentioned in the embodiments of the invention, it is the double-screen display module of mobile phone, but in not breaking away from spiritual scope of the present invention, double-screen display module of the present invention is when can be applicable to other such as on personal digital assistant, palmtop computer or other electronic product, in the hope of preferable display effect is provided, and promote competitiveness of product.
Though the present invention is with a preferred embodiment openly as above, it is not in order to qualification the present invention, any those skilled in the art, and without departing from the spirit and scope of the present invention, a little change and the retouching done all belongs to protection scope of the present invention.
Claims (21)
1. double-screen display module is characterized in that: comprise at least:
Shared circuit board has a first surface and a second surface, and should have more one first connecting interface and one second connecting interface by shared circuit board, and wherein this first connecting interface and second connecting interface are positioned on this second surface;
One first display panel is disposed on this first surface of this shared circuit board, and electrically connects with first connecting interface on this second surface;
One second display panel is disposed on this second surface of this shared circuit board, and with the pressing mode directly with this second surface on the electric connection of second connecting interface.
2. double-screen display module according to claim 1 is characterized in that: this shared circuit board comprise flexible circuit board and soft or hard combined circuit plate one of them.
3. double-screen display module according to claim 1 is characterized in that: this first display panel comprise display panels, LED display panel and organic electric-excitation luminescent displaying panel one of them.
4. double-screen display module according to claim 1 is characterized in that: this second display panel comprise display panels, LED display panel and organic electric-excitation luminescent displaying panel one of them.
5. double-screen display module according to claim 1 is characterized in that: this first connecting interface or second connecting interface comprise a connector.
6. double-screen display module according to claim 1 is characterized in that: more comprise an anisotropy conductive film, wherein this anisotropy conductive film is electrically connected between this second display panel and this connecting interface.
7. double-screen display module according to claim 1 is characterized in that: more comprise an anisotropic conductive, wherein this anisotropic conductive is electrically connected between this second display panel and this connecting interface.
8. double-screen display module according to claim 1 is characterized in that: the size of this first display panel is greater than the size of this second display panel.
9. double-screen display module according to claim 1 is characterized in that: the size of this first display panel is less than the size of this second display panel.
10. double-screen display module is characterized in that: comprise at least:
Shared circuit board, have a first surface and a second surface, and should share circuit board and have more one first connecting interface and one second connecting interface, wherein this first connecting interface is positioned on this first surface, and this second connecting interface is positioned on this second surface;
One first display panel is disposed on this first surface of this shared circuit board, and directly is pressed on this first connecting interface and electrically connects with this shared circuit board;
One second display panel is disposed on this second surface of this shared circuit board, and directly is pressed on this second connecting interface and electrically connects with this shared circuit board.
11. double-screen display module according to claim 10 is characterized in that: this shared circuit board comprise flexible circuit board and soft or hard combined circuit plate one of them.
12. double-screen display module according to claim 10 is characterized in that: this first display panel comprise display panels, LED display panel and organic electric-excitation luminescent displaying panel one of them.
13. double-screen display module according to claim 10 is characterized in that: this second display panel comprise display panels, LED display panel and organic electric-excitation luminescent displaying panel one of them.
14. double-screen display module according to claim 10 is characterized in that: this first connecting interface comprises a connector.
15. double-screen display module according to claim 10 is characterized in that: this second connecting interface comprises a connector.
16. double-screen display module according to claim 10 is characterized in that: more comprise an anisotropy conductive film, this anisotropy conductive film is electrically connected between this first display panel and this first connecting interface.
17. double-screen display module according to claim 10 is characterized in that: more comprise an anisotropic conductive, this anisotropic conductive is electrically connected between this first display panel and this first connecting interface.
18. double-screen display module according to claim 10 is characterized in that: more comprise an anisotropy conductive film, this anisotropy conductive film is electrically connected between this second display panel and this second connecting interface.
19. double-screen display module according to claim 10 is characterized in that: more comprise an anisotropic conductive, this anisotropic conductive is electrically connected between this second display panel and this second connecting interface.
20. double-screen display module according to claim 10 is characterized in that: the size of this first display panel is greater than the size of this second display panel.
21. double-screen display module according to claim 10 is characterized in that: the size of this first display panel is less than the size of this second display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100047786A CN100378797C (en) | 2004-03-05 | 2004-03-05 | Double screen display module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100047786A CN100378797C (en) | 2004-03-05 | 2004-03-05 | Double screen display module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1591558A CN1591558A (en) | 2005-03-09 |
| CN100378797C true CN100378797C (en) | 2008-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100047786A Expired - Lifetime CN100378797C (en) | 2004-03-05 | 2004-03-05 | Double screen display module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100378797C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100726579B1 (en) * | 2005-08-11 | 2007-06-11 | 엘지이노텍 주식회사 | Display device and manufacturing method thereof |
| CN108965514B (en) * | 2018-06-29 | 2021-05-21 | 努比亚技术有限公司 | Display screen FPC structure of double screen terminal and mobile terminal thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200526A (en) * | 1997-05-26 | 1998-12-02 | 诺基亚流动电话有限公司 | Dual display arrangement and terminal device |
| US20020022503A1 (en) * | 2000-08-16 | 2002-02-21 | Lee Hae Kyu | Mobile phone of dual display and method for displaying data using the same |
| US20020107055A1 (en) * | 2001-02-07 | 2002-08-08 | Shunpei Yamazaki | Electronic devices |
| US20030063041A1 (en) * | 2001-09-21 | 2003-04-03 | Takeshi Kurashima | Electro-optical panel, electro-optical device, and electronic apparatus |
| KR20040005579A (en) * | 2002-07-06 | 2004-01-16 | 주식회사 하이닉스반도체 | Apparatus for display |
| CN2603592Y (en) * | 2003-02-13 | 2004-02-11 | 英华达(上海)电子有限公司 | Mobile telephone set with double screens |
| CN1475964A (en) * | 2002-08-13 | 2004-02-18 | 突破光电科技股份有限公司 | Contact control screen upper, lower electrode break-over structure |
| KR20040018136A (en) * | 2002-08-23 | 2004-03-02 | 산요덴키가부시키가이샤 | Folding-type electronic apparatus |
-
2004
- 2004-03-05 CN CNB2004100047786A patent/CN100378797C/en not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1200526A (en) * | 1997-05-26 | 1998-12-02 | 诺基亚流动电话有限公司 | Dual display arrangement and terminal device |
| US20020022503A1 (en) * | 2000-08-16 | 2002-02-21 | Lee Hae Kyu | Mobile phone of dual display and method for displaying data using the same |
| US20020107055A1 (en) * | 2001-02-07 | 2002-08-08 | Shunpei Yamazaki | Electronic devices |
| US20030063041A1 (en) * | 2001-09-21 | 2003-04-03 | Takeshi Kurashima | Electro-optical panel, electro-optical device, and electronic apparatus |
| KR20040005579A (en) * | 2002-07-06 | 2004-01-16 | 주식회사 하이닉스반도체 | Apparatus for display |
| CN1475964A (en) * | 2002-08-13 | 2004-02-18 | 突破光电科技股份有限公司 | Contact control screen upper, lower electrode break-over structure |
| KR20040018136A (en) * | 2002-08-23 | 2004-03-02 | 산요덴키가부시키가이샤 | Folding-type electronic apparatus |
| CN2603592Y (en) * | 2003-02-13 | 2004-02-11 | 英华达(上海)电子有限公司 | Mobile telephone set with double screens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1591558A (en) | 2005-03-09 |
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