CN2809779Y - A structure for reducing storages and pins within drive IC - Google Patents
A structure for reducing storages and pins within drive IC Download PDFInfo
- Publication number
- CN2809779Y CN2809779Y CN 200520001533 CN200520001533U CN2809779Y CN 2809779 Y CN2809779 Y CN 2809779Y CN 200520001533 CN200520001533 CN 200520001533 CN 200520001533 U CN200520001533 U CN 200520001533U CN 2809779 Y CN2809779 Y CN 2809779Y
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- display unit
- drive
- integrated circult
- basic display
- drive integrated
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Abstract
The utility model discloses a structure for reducing an internal memory of a driving integrated circuit and pins. A main display shares a data line and a scanning line with a secondary display, wherein the internal memory in the driving integrated circuit provides an image data which is needed by the main display, and a part in the internal memory is a shared memory which is used for providing an image data which is needed by the secondary display; in this way, a memory in the driving integrated circuit can be saved and the number of the pins of the driving integrated circuit can be saved.
Description
Technical field
The utility model relates to a kind of driver circuit structure of dual screen, be particularly related to a kind of drive integrated circult that utilizes, and the arranged mode of cooperation sweep trace and data line, reach a kind of structure that reduces drive integrated circult internal storage and pin that drives basic display unit and slave display purpose simultaneously.
Background technology
Eyes are windows of soul, and mobile phone screen just as eyes, is given people a brand-new world as man-machine communication's first interface.Now increasing user is except the size of paying close attention to screen, and screen color resolution, shoot function and multimedia function also are unusual important consideration.Now a lot of users like the Double screen handset of cover-lifting type, the Double screen handset of this cover-lifting type removes that to have when not using usually a volume little, be convenient for carrying etc. outside the advantage, the caller ID of its outer screen shows, also be not easy to use the person and need not opening under the situation of mobile phone, can determine whether receive calls.
The dual platen framework that existing cover-lifting type Double screen handset uses, as shown in Figure 1, receiver 11 can receive the signal whether Double screen handset is built phone cover or open, with the microprocessor 12 of notice cell phone system, this microprocessor 12 notifies drive integrated circult 13,16 to switch the video data that shows basic display unit 14 and slave display 15 in the mode of I/O control again.
In addition, now mainly be used in these basic display unit 14 modules and this slave display 15 modules (as shown in Figure 2) of Double screen handset, connect into the module of dual platen again by one first connector 14a, the second connector 15a, wherein basic display unit 14 modules need one or more drive integrated circult 13, and slave display 15 modules need a drive integrated circult 16.Like this, will cause the part number to increase, making is difficult for, and the not only time-consuming preface of taking a lot of work again more causes the increase of cost of manufacture.
To drive basic display unit 14 panels of 132 (RGB) * 176 resolution, and the slave display 15 of 64 (RGB) * 64 is an example, internal storage (RAM) and pin (pin) number for drive unit, because when phone cover is got up, as previously mentioned, receiver can receive the mode of the microprocessor of a low or high signalisation cell phone system with I/O control, the notice drive integrated circult 16 inner data that show slave display 15 (64 (RGB) * 64), and close the backlight of basic display unit 14; When mobile phone is raised, receiver can receive a high or low signal, the microprocessor of notice cell phone system is in the mode of I/O control, and notice drive integrated circult 16 inside show the data of basic display units 14 (132 (RGB) * 112), and close the backlight of slave display 15.
So desire shows basic display unit 14 (132 (RGB) * 112) and slave display 15 (64 (RGB) * 64), this drive integrated circult 13,16 needs 498 data line output pins and 176 sweep trace output pins altogether, totally 674 drive output pin, and the internal storage (RAM) that needs 196 (RGB) * 176 sizes.
But use towards more high-resolution demonstration for mobile phone screen, the number of pins that will face drive integrated circult is more and more, and the increasing problem of internal storage (RAM) demand.For the more and more lighter and handier trend of present mobile phone, so many/big element, will no longer be applicable to existing product.So the utility model is through concentrating on studies and retrofit testing, a kind of driver circuit structure that has the dual screen of practicality has been proposed, particularly a kind ofly utilize a drive integrated circult, and the arranged mode of cooperation sweep trace and data line, reach a kind of structure that reduces drive integrated circult internal storage and pin that drives basic display unit and slave display purpose simultaneously.
The utility model content
The technical problems to be solved in the utility model is to overcome the defective that exists in the above-mentioned prior art, a kind of drive integrated circult that utilizes is provided, and the arranged mode of cooperation sweep trace and data line, reach a kind of structure that reduces drive integrated circult internal storage and pin that drives basic display unit and slave display purpose simultaneously.
For this reason, according to a kind of structure that reduces drive integrated circult internal storage and pin of the present utility model, be used to drive dual screen with a basic display unit and a slave display, this structure comprises: a drive integrated circult, have one group of sweep trace and data line, in order to drive basic display unit and slave display; And this basic display unit and slave display shared data line.
According to another embodiment of the present utility model, this structure comprises: a drive integrated circult has one group of sweep trace and data line, in order to drive basic display unit and slave display; And basic display unit and slave display are shared sweep trace.
According to an embodiment more of the present utility model, this structure comprises: a drive integrated circult has one group of sweep trace and data line, in order to drive basic display unit and slave display; And basic display unit and slave display shared data line; And basic display unit and the shared sweep trace of slave display.
Can save the internal memory of this drive integrated circult inside, the number of pins that also can save this drive integrated circult according to a kind of structure that reduces drive integrated circult internal storage and pin of the present utility model.
Description of drawings
Fig. 1 is the synoptic diagram of the type of drive of dual screen of the prior art.
Fig. 2 is the synoptic diagram of dual screen connected mode of the prior art.
Fig. 3 is the synoptic diagram of the type of drive of dual screen of the present utility model.
Fig. 4 is the synoptic diagram of dual screen line connection of the present utility model.
Fig. 5 is the synoptic diagram of another dual screen line connection of the present utility model.
Fig. 6 is the synoptic diagram of another dual screen line connection of the present utility model.
Fig. 7 is the synoptic diagram of drive integrated circult internal storage of the present utility model.
Fig. 8 is another form of expression of structure shown in Figure 7.
Embodiment
Relevant detailed content of the present utility model and technical descriptioon, existing accompanying drawings is as follows:
Please consulting shown in Figure 3ly earlier, is the synoptic diagram of the type of drive of dual screen of the present utility model.Has a basic display unit 31 according to device of the present utility model, one slave display 32 that is connected with this basic display unit 31, an and drive integrated circult (Driver IC) 30 that is positioned on the glassy layer of this basic display unit 31, wherein this drive integrated circult 30 has one group of sweep trace and data line, in order to drive this basic display unit 31 and slave display 32.
Please consulting shown in Figure 4ly again, is the synoptic diagram of dual screen line connection of the present utility model.To drive basic display unit 31 panels of 132 (RGB) * 176 resolution, the slave display 32 that reaches 64 (RGB) * 64 is an example.The utility model mainly is to utilize a drive integrated circult 30, and layout (layout) mode of collocation sweep trace G1～G240, data line S1～S396, reaches to drive basic display unit 31 and slave display 32 simultaneously, to drive the purpose of dual platen.Wherein have one group of sweep trace G1～G240 and data line S1～S396 on this drive integrated circult 30, because this drive integrated circult 30 needs to promote basic display unit 31 panels of 132 (RGB) * 176 resolution, so its data line is S1～S396, and sweep trace is G65～G240.This basic display unit 31 and slave display 32 shared data line S209～S396 again, and this slave display 32 uses required sweep trace G1～G64.
And making on the arrangement configuration, aforesaid sweep trace G1～G64 walks the both sides of basic display unit 31, arrives slave display 32 via connector again, and sweep trace G65～G240 direct cable scanning basic display unit 31.In addition, data line S1～S396 direct cable drives basic display unit 31, and wherein data line S205～S396 not only drives basic display unit 31, and also backguy is passed connector in order to drive slave display 32.
Please consulting shown in Figure 5ly again, is the synoptic diagram of another line connection of dual screen of the present utility model.This drive integrated circult 30 ' on have one group of sweep trace G1～G176 and data line S1～S588, wherein ((S397～S588) independent data line that uses, and this basic display unit 31 and slave display 32 are shared sweep traces (G1～G64) to this basic display unit 31 for S1～S396) and slave display 32.Be sweep trace G1～G64 except that in order to drive this basic display unit 31, also be used to drive slave display 32.
Making on the arrangement configuration, this sweep trace G1～G64 backguy left uses for basic display unit 31, this sweep trace G1～G64 can pull out away the side of basic display unit 31 to the right in addition, receive this slave display 32 in order to scanning this slave display 32 via connector again, and sweep trace G65～G176 directly backguy left scan this basic display unit 31.In addition, this data line S1～S396 direct cable drives basic display unit 31, and remaining data line S397～S588 can receive this slave display 32 via connector again to the side backguy of basic display unit 31, in order to scan this slave display 32.
The utility model further be characterised in that this basic display unit 31 and slave display 32 shared data lines (S209～S396) and sweep trace (and G1～G64), as shown in Figure 6.This drive integrated circult 30 like this " on will have one group of sweep trace G1～G176 and data line S1～S396; " need to promote basic display unit 31 panels of 132 (RGB) * 176 resolution because this drive integrated circult 30, so its data line is S1～S396, and sweep trace is G1～G176.
I.e. this basic display unit 31 and slave display 32 shared data lines (S209～S396), and this basic display unit 31 and slave display 32 can be shared the required sweep trace of this slave display 32 (G1～G64).Be sweep trace G1～G64 and data line S209～S396 except that in order to drive this basic display unit 31, also be used to drive slave display 32.
And making on the arrangement configuration, this sweep trace G1～G64 backguy left uses for basic display unit 31, this sweep trace G1～G64 can pull out away the side of basic display unit 31 to the right in addition, receive this slave display 32 in order to scanning this slave display 32 via connector again, and sweep trace G65～G176 directly backguy left scan this basic display unit 31.In addition, this data line S1～S396 direct cable drives basic display unit 31, and wherein this data line S205～S396 not only drives this basic display unit 31, and also backguy is passed connector in order to drive this slave display 32.
Please consulting shown in Figure 7ly again, is the synoptic diagram of drive integrated circult internal storage of the present utility model.Because aforementioned this sweep trace (G1～G240, G1～G176, G1～G176) and data line (S1～S396, S1～S588, connection and the cabling of S1～S396), so this drive integrated circult 30 (30 ', the internal storage 30a in 30 ") removes to be provided basic display unit 31 required image datas store; the part memory region in this internal storage 30a is a shared internal memory 30b, and this shared drive 30b is in order to provide slave display 32 required image data simultaneously.
Be that the utility model is that this receiver 33 is behind the signal whether the reception Double screen handset is built phone cover or open, with the microprocessor 34 of notifying cell phone system simultaneously and drive integrated circult 30 (30 ', 30 "); wherein this drive integrated circult 30 (30 '; 30 ") are switched pin 301 by one and are received this signal and pass to one and select element 30c, this selection element 30c after the information of receiving this receiver 33, will switch this drive integrated circult 30 (30 ', 30 ") are used for internal storage 30a or shared drive 30b.In addition, this microprocessor 34 passes to this by this selection element 30c with video data with video data again and is determined the internal storage 30a or the shared drive 30b that use.
Fig. 8 shows the method that integrated circuit (IC) internal storage (RAM) is chosen, and the mode that RAM chooses has two aspects, and one is by the mode of microprocessor with I/O control, and another is the output control of receiver.When microprocessor is controlled to be HIGH or receiver is that HIGH or microprocessor control and receiver are when being HIGH, Mode Select (model selection) will export the signal of a HIGH, will choose basic display unit RAM (being the storer 30a among Fig. 7).If microprocessor control and receiver are LOW, then Mode Select (model selection) will export the signal of a LOW, will choose slave display RAM (being the shared drive 30b among Fig. 7).
The utility model utilizes this internal storage 30a to show basic display unit 31 and shared drive 30b is shared by basic display unit 31 and slave display 32, these basic display unit 31 desired video datas will be shown by this internal storage 30a (comprising this shared drive 30b) when phone cover is opened, certainly this moment, slave display 32 meetings showed the data that this shared drive 30b is provided, but because the backlight of this slave display 32 will be closed.And these slave display 32 desired video datas will be provided by this shared drive 30b when phone cover covers, certainly this moment, basic display unit 31 meetings showed the data that this shared drive 30b is provided, but because the backlight of this basic display unit 31 will be closed, and the user can't see the demonstration of this basic display unit 31.Can save like this this drive integrated circult 30 (30 ', the internal memory (RAM) that 30 ") are inner, also will save this drive integrated circult 30 (30 ', the number of 30 ") pin.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (12)
1. a structure that reduces drive integrated circult internal storage and pin is used for driving the dual screen with a basic display unit (31) and slave display (32), it is characterized in that described structure comprises:
One drive integrated circult (30) has one group of sweep trace and data line, in order to drive described basic display unit (31) and described slave display (32); And described basic display unit (31) is shared described data line with described slave display (32).
2. structure according to claim 1 is characterized in that the internal storage (30a) in the described drive integrated circult (30) provides described basic display unit (31) required image data.
3. structure according to claim 2 is characterized in that the part in the described internal storage (30a) is a shared internal memory (30b), in order to provide described slave display (32) required image data.
4. structure according to claim 1 is characterized in that described drive integrated circult (30) has one and switches pin (301) and select element (30c) with one, in order to received signal and switch described internal storage (30a) or described shared drive (30b).
5. a structure that reduces drive integrated circult internal storage and pin is used for driving the dual screen with a basic display unit (31) and slave display (32), it is characterized in that described structure comprises:
One drive integrated circult (30 ') has one group of sweep trace and data line, in order to drive described basic display unit (31) and described slave display (32); And described basic display unit (31) is shared described sweep trace with described slave display (32).
6. structure according to claim 5 is characterized in that the internal storage (30a) in the described drive integrated circult (30 ') provides described basic display unit (31) required image data.
7. structure according to claim 6 is characterized in that the part in the described internal storage (30a) is a shared internal memory (30b), in order to provide described slave display (32) required image data.
8. structure according to claim 5 is characterized in that described drive integrated circult (30 ') has one and switches pin (301) and select element (30c) with one, in order to received signal and switch described internal storage (30a) or described shared drive (30b).
9. structure that reduces drive integrated circult internal storage and pin is used to drive the dual screen of tool one basic display unit (31) and a slave display (32), it is characterized in that described structure comprises:
(30 ") have one group of sweep trace and data line to one drive integrated circult, in order to drive described basic display unit (31) and described slave display (32); And described basic display unit (31) is shared described data line with described slave display (32); And
Described basic display unit (31) is shared described sweep trace with described slave display (32).
10. structure according to claim 9 is characterized in that (internal storage (30a) in 30 ") provides described basic display unit (31) required image data to described drive integrated circult.
11. structure according to claim 10 is characterized in that the part in the described internal storage (30a) is a shared internal memory (30b), in order to provide described slave display (32) required image data.
12. structure according to claim 9 is characterized in that (30 ") have one switches pin (301) and select element (30c) with one described drive integrated circult, in order to received signal and switch described internal storage (30a) or described shared drive (30b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520001533 CN2809779Y (en) | 2005-01-25 | 2005-01-25 | A structure for reducing storages and pins within drive IC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520001533 CN2809779Y (en) | 2005-01-25 | 2005-01-25 | A structure for reducing storages and pins within drive IC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2809779Y true CN2809779Y (en) | 2006-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520001533 Expired - Lifetime CN2809779Y (en) | 2005-01-25 | 2005-01-25 | A structure for reducing storages and pins within drive IC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2809779Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117609A (en) * | 2009-12-31 | 2011-07-06 | 安泰科技有限公司 | Apparatus and method for controlling dual display device using RGB interface |
| CN107591145A (en) * | 2017-11-03 | 2018-01-16 | 武汉天马微电子有限公司 | A kind of special-shaped display panel and its driving method, display device |
| CN109584770A (en) * | 2018-12-17 | 2019-04-05 | 武汉天马微电子有限公司 | Display panel and display device |
| CN116564246A (en) * | 2023-07-10 | 2023-08-08 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
-
2005
- 2005-01-25 CN CN 200520001533 patent/CN2809779Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102117609A (en) * | 2009-12-31 | 2011-07-06 | 安泰科技有限公司 | Apparatus and method for controlling dual display device using RGB interface |
| CN107591145A (en) * | 2017-11-03 | 2018-01-16 | 武汉天马微电子有限公司 | A kind of special-shaped display panel and its driving method, display device |
| US10713989B2 (en) | 2017-11-03 | 2020-07-14 | Wuhan Tianma Micro-Electronics Co., Ltd. | Display panel, driving method of the same and display device |
| CN109584770A (en) * | 2018-12-17 | 2019-04-05 | 武汉天马微电子有限公司 | Display panel and display device |
| CN109584770B (en) * | 2018-12-17 | 2022-02-08 | 武汉天马微电子有限公司 | Display panel and display device |
| CN116564246A (en) * | 2023-07-10 | 2023-08-08 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN116564246B (en) * | 2023-07-10 | 2023-10-31 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150125 Granted publication date: 20060823 |