CN201298842Y - Cellphone capable of realizing plug-and-play of LCD screen - Google Patents
Cellphone capable of realizing plug-and-play of LCD screen Download PDFInfo
- Publication number
- CN201298842Y CN201298842Y CNU2008201558195U CN200820155819U CN201298842Y CN 201298842 Y CN201298842 Y CN 201298842Y CN U2008201558195 U CNU2008201558195 U CN U2008201558195U CN 200820155819 U CN200820155819 U CN 200820155819U CN 201298842 Y CN201298842 Y CN 201298842Y
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Abstract
The utility model discloses a cellphone capable of realizing the plug-and-play of an LCD screen. The cellphone comprises a micro-processing controller, an LCD (liquid crystal display) module, a first interface, a second interface, a ROM (read only memory), a driver interface and a third interface; the LCD module is provided with the LCD screen, a driving chip, a data interface and a control interface; the ROM used for storing driver data is integrated in the LCD module; and the driver interface connected with the ROM is connected with the third interface. In the cellphone, the LCD module is replaced integrally when the LCD screen needs to be replaced, so as to ensure that the driver data accords with the LCD module. Therefore, the plug-and-play of the LCD screen is realized.
Description
Technical field
The utility model relates to a kind of mobile phone of realizing the LCDs plug and play.
Background technology
LCD MODULE (LCM, liquid crystal modul) is used to realize Presentation Function in mobile phone.As shown in Figure 1, LCD MODULE of the prior art is provided with LCDs (LCD, Liquid Crystal Display), the one PCB wiring board (not shown), be arranged on chip for driving, the data-interface that is used for transmit image data that is used to control LCDs on the described PCB wiring board, the control interface that is used for transmission of control signals, described data-interface, control interface and LCDs all are connected with described chip for driving by a described PCB circuit board, are provided with a register in the described chip for driving; In the prior art, also be provided with the 2nd PCB wiring board (not shown) in the mobile phone, be provided with first interface that is connected with described data-interface, second interface that is connected with described control interface, described first interface, second interface all are connected with the microprocessor controller of mobile phone by described the 2nd PCB wiring board; Also be provided with a flash memory that is connected with described microprocessor controller (Flash Memory) on described the 2nd PCB wiring board.The driver data of described LCD MODULE comprise setup code, manufacturer's information and the module information of chip for driving, wherein, described setup code is stored in the described flash memory, and described manufacturer's information and module information are kept in the register that is provided with in the described chip for driving.In use, microprocessor controller at first can read the setup code of this chip for driving and this code is written in the described chip for driving from described flash memory, finish the initialization to chip for driving.Because the storage capacity of described flash memory is less, generally only be 16M byte, can only store a kind of setup code of LCD MODULE of model, and each one of the pairing described setup code of LCD MODULE of the different model that different module manufacturer provides is identical.Damage or because other demands of user when needing to change LCDs, must be upgraded the setup code in the described flash memory when LCDs, itself and new LCD MODULE are consistent, so just can't realize the plug and play of LCDs.
The utility model content
The purpose of this utility model provides a kind of mobile phone of realizing the LCDs plug and play.
A kind of mobile phone of realizing the LCDs plug and play, comprise microprocessor controller, be provided with the LCD MODULE of LCDs, chip for driving, data-interface and control interface, first interface that is connected with described data-interface, second interface that is connected with described control interface, described LCDs, data-interface and control interface all are connected with described chip for driving; Described first interface, second interface all are connected with described microprocessor controller; It is characterized in that: be integrated with the read-only memory that is used for the store driver data in the described LCD MODULE, be used to the UDI that transmits described driver data and be connected with described read-only memory, the 3rd interface that is connected with described microprocessor controller, described UDI is connected with described the 3rd interface.
Described mobile phone also comprises the flash memory that is used to store through the setup code of fine setting, and this flash memory is connected with described microprocessor controller.
The mobile phone of realizing the LCDs plug and play disclosed in the utility model, in LCD MODULE, increase a read-only memory, with the driver storage of LCD MODULE in this read-only memory, microprocessor controller at first reads the driver data in the described read-only memory during use, setup code is write in the chip for driving again.When needs are changed LCDs, described LCD MODULE integral body to be changed, assurance driver data are consistent with LCD MODULE.Like this, just realized the plug and play of LCDs.
Description of drawings
Fig. 1 is a handset structure schematic diagram in the prior art;
Fig. 2 is the utility model handset structure schematic diagram.
Embodiment
As shown in Figure 1, a kind of mobile phone of realizing the LCDs plug and play, comprise microprocessor controller, be provided with the LCD MODULE of LCDs, chip for driving, data-interface and control interface, first interface that is connected with described data-interface, second interface that is connected with described control interface, described LCDs, data-interface and control interface all are connected with described chip for driving; Described first interface, second interface all are connected with described microprocessor controller; It is characterized in that: be integrated with the read-only memory that is used for the store driver data in the described LCD MODULE, be used to the UDI that transmits described driver data and be connected with described read-only memory, the 3rd interface that is connected with described microprocessor controller, described UDI is connected with described the 3rd interface.Described mobile phone also comprises a PCB wiring board, the 2nd PCB wiring board, described chip for driving and described read-only memory all are arranged on the described PCB circuit board, and described LCDs, data-interface and control interface all are connected with described chip for driving by a described PCB wiring board; Described UDI is connected with described read-only memory by a described PCB circuit board.Described microprocessor controller, first interface and second interface all are arranged on described the 2nd PCB circuit board.Described driver data comprise the setup code of described chip for driving, the manufacturer's information and the module information of LCD MODULE.Described chip for driving is used for described LCDs is controlled; The described data-interface and first interface are used for transmit image data or described setup code; The described control interface and second interface are used for transmission of control signals.Described read-only memory can be selected E2ROM for use.
Further, also comprise the flash memory that is used to store through the setup code of fine setting, this flash memory is connected with described microprocessor controller.Described flash memory is arranged on described the 2nd PCB wiring board.Because the model difference of parts such as glass, backlight in the LCDs, be written in the setup code in the chip for driving also different with this parts corresponding parameters, this just need be before writing chip for driving with setup code, these parameters in the described setup code are finely tuned, the corresponding component in these parameters and this LCD MODULE is complementary.To be kept in the described flash memory through the setup code of finely tuning, when needing that once more described chip for driving carried out initialization, can directly from described flash memory, read described setup code, avoid from described read-only memory, reading without the setup code of fine setting and repeat fine setting work through fine setting.
Further, described data-interface is a parallel interface, and described first interface is the parallel interface of compatible described data-interface.
Wherein, described first interface is and the consistent parallel interface of this data-interface transmission figure place.According to volume of transmitted data, it is 8,9,16,18 or 24 that this data-interface can be set.When described first interface adopts the consistent parallel interface of transmission figure place with described data-interface, do not need described first interface is configured, can begin to utilize first interface and data-interface to transmit setup code and view data; When the described data-interface of described first interface compatibility, but the transmission figure place after according to described module information described first interface being configured, just can be utilized first interface and data-interface transmission setup code and view data when inconsistent.
Further, also comprise being used to the system interface that transmits described setup code and be connected with described chip for driving, the 4th interface that is connected with described microprocessor controller, described system interface is connected with described the 4th interface.Described microprocessor controller can be not by described first interface and data-interface but described setup code is written in the described chip for driving by described the 4th interface and system interface, this moment, described data-interface only was used to transmit described view data.
Further, described control interface, UDI and system interface all can use the serial line interface or the parallel interface of standard, because the volume of transmitted data of described UDI and control interface is less, rate request to transfer of data is not high, preferred lower-cost serial line interface, as SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) or I2C (Inter-Integrated Circuit) interface, wherein the SPI interface can adopt 3 lines or 2 line interfaces.Described second interface adopts and the corresponding to standard serial interface of described control interface; Described the 3rd interface adopts and the corresponding to standard serial interface of described UDI; Described the 4th interface adopts and the corresponding to standard serial interface of described system interface.
Claims (10)
1, a kind of mobile phone of realizing the LCDs plug and play, comprise microprocessor controller, be provided with the LCD MODULE of LCDs, chip for driving, data-interface and control interface, first interface that is connected with described data-interface, second interface that is connected with described control interface, described LCDs, data-interface and control interface all are connected with described chip for driving; Described first interface, second interface all are connected with described microprocessor controller; It is characterized in that: be integrated with the read-only memory that is used for the store driver data in the described LCD MODULE, be used to the UDI that transmits described driver data and be connected with described read-only memory, the 3rd interface that is connected with described microprocessor controller, described UDI is connected with described the 3rd interface.
2, the mobile phone of realizing the LCDs plug and play as claimed in claim 1 is characterized in that: also comprise the flash memory that is used to store through the setup code of fine setting, this flash memory is connected with described microprocessor controller.
3, the mobile phone of realizing the LCDs plug and play as claimed in claim 2 is characterized in that: described data-interface is a parallel interface, and described first interface is the parallel interface of compatible described data-interface.
4, the mobile phone of realizing the LCDs plug and play as claimed in claim 3 is characterized in that: described first interface is for transmitting the consistent parallel interface of figure place with this data-interface.
5, as each described mobile phone of realizing the LCDs plug and play in the claim 1 to 4, it is characterized in that: the described control interface and second interface are the SPI interface.
6, as each described mobile phone of realizing the LCDs plug and play in the claim 1 to 4, it is characterized in that: the described control interface and second interface are the I2C interface.
7, as each described mobile phone of realizing the LCDs plug and play in the claim 1 to 4, it is characterized in that: described UDI and the 3rd interface are the SPI interface.
8, as each described mobile phone of realizing the LCDs plug and play in the claim 1 to 4, it is characterized in that: described UDI and the 3rd interface are the I2C interface.
9, as each described mobile phone of realizing the LCDs plug and play in the claim 1 to 4, it is characterized in that: also comprise being used to the system interface that transmits described setup code and be connected with described chip for driving, the 4th interface that is connected with described microprocessor controller, described system interface is connected with described the 4th interface.
10, as each described mobile phone of realizing the LCDs plug and play in the claim 1 to 4, it is characterized in that: described driver system interface and the 4th interface are the SPI interface or are the I2C interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201558195U CN201298842Y (en) | 2008-11-24 | 2008-11-24 | Cellphone capable of realizing plug-and-play of LCD screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201558195U CN201298842Y (en) | 2008-11-24 | 2008-11-24 | Cellphone capable of realizing plug-and-play of LCD screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298842Y true CN201298842Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201558195U Expired - Lifetime CN201298842Y (en) | 2008-11-24 | 2008-11-24 | Cellphone capable of realizing plug-and-play of LCD screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201298842Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448550A (en) * | 2016-12-27 | 2017-02-22 | 福州海天微电子科技有限公司 | LED screen parameter automatic identifying method and device |
-
2008
- 2008-11-24 CN CNU2008201558195U patent/CN201298842Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448550A (en) * | 2016-12-27 | 2017-02-22 | 福州海天微电子科技有限公司 | LED screen parameter automatic identifying method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |