CN103366669A - Method for controlling display driving sequence and player - Google Patents
Method for controlling display driving sequence and player Download PDFInfo
- Publication number
- CN103366669A CN103366669A CN2012100978937A CN201210097893A CN103366669A CN 103366669 A CN103366669 A CN 103366669A CN 2012100978937 A CN2012100978937 A CN 2012100978937A CN 201210097893 A CN201210097893 A CN 201210097893A CN 103366669 A CN103366669 A CN 103366669A
- Authority
- CN
- China
- Prior art keywords
- data
- storage space
- write
- image data
- effective status
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/003—Details of a display terminal, the details relating to the control arrangement of the display terminal and to the interfaces thereto
- G09G5/006—Details of the interface to the display terminal
Abstract
The invention provides a method for controlling display driving sequence and a player. The method comprises that a data write-in module obtains digital image data of the ith line, a vertical synchronizing signal, a line synchronizing signal, an input clock and a data enablement signal, and the digital image data of the ith line is written in a first storage space or a second storage space in a display driving sequence controlling device; a data read-out module reads digital image data of the (i-1)th line in a frame of images from the first or second storage space; and an output sequence control module, according to sequence control requirements corresponding to a driving chip, outputs the digital image data of the (i-1)th line read by the data read-out module to the driving chip. The input clock is independent from an output clock.
Description
Technical field
The present invention relates to digital image processing techniques, relate in particular to method and playback equipment that a kind of control display drives sequential.
Background technology
Along with the consumer requires more and more higher to the quality that shows product, display effect, energy-conservation etc., require the display screen in the playback equipment to thin down, visible angle needs more and more wider, and response speed needs more and more faster, and display effect need to be become better and better.
For this reason, industry has been released the display screen of many types, wherein, (OLED:Organic Light-Emitting Diode: the OLED screen of organic electric exciting light-emitting diode technology is just obtaining using more and more widely to use OLED, but in the process of using and promoting since large scale OLED technology that is that all right is ripe, and do not form everybody the extensively technical standard of approval, therefore, also there is not a special use for the OLED screen to drive control chip.
For realizing that following technical scheme has been appearred in the control of the driving chip of OLED screen in the prior art:
That is: utilize FPGA (FPGA:Field-Programmable Gate Array: programmable logic array) realize, in implementation procedure, gather on the one hand the reading and writing control signal of CPU module by address/data bus, simultaneously the data between the control signal low period and address are latched, and this data communication device crossed that corresponding address/data bus writes the respective memory address or with the data reading on the corresponding storage address.
But the inventor finds that there is following technical matters at least in above-mentioned prior art in the process of invention the embodiment of the present application technical scheme:
After phaselocked loop is phase-locked, produced by input clock owing to driving the output clock of control, so, if input clock changes, will directly cause output clock unstable;
Because output clock is unstable, so, can cause directly showing that image is undesired, thereby can not guarantee stability and reliability that display shows, and then reduce user's experience;
Because available technology adopting external SRAM (SRAM:Static Random Access Memory: static RAM) as storage space, and increase the controller of SRAM in inside, so, have the high technical matters of circuit cost and design complexities;
Because prior art is in design stores space solution the time, storage space is not carried out segmentation and corresponding with the driving chip, so prior art can only only have a sight that drives chip for display screen, can not be applicable to well the large scale display screen, as: large scale OLED screen.
Summary of the invention
Method and playback equipment that the application provides a kind of control display to drive sequential are used for solving that prior art exists when input clock is unstable, cause output clock also unstable, and the technical matters that the image that causes can not normally show.
A kind of method of data writing is provided in the embodiment of the present application, the method is applied in the data writing module of equipment that control display drives sequential, described control display drives the equipment of sequential and is connected with M driving chip in the display unit, wherein, M is the integer more than or equal to 1, and described method comprises:
Obtain field sync signal, line synchronizing signal, input clock and data enable signal;
Obtain the Digital Image Data of delegation in the two field picture;
Based on described field sync signal, described line synchronizing signal, described input clock and described data enable signal, described Digital Image Data is write the first storage space or the second storage space in the equipment that described control display drives sequential, and the data reading module that drives for described control display in the equipment of sequential reads from described the first storage space or the second storage space based on output clock; Wherein, described input clock and described output clock are separate clock.
Preferably, described the first storage space or the second storage space that described Digital Image Data is write in the equipment that described control display drives sequential is specially:
Write passage by the first data that are in effective status described Digital Image Data is write described the first storage space; Or
Write passage by the second data that are in effective status described Digital Image Data is write described the second storage space;
Wherein, described the first data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the first storage space and described data writing module write passage by described control display;
Described the second data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the second storage space and described data writing module write passage by described control display.
Preferably, described the first storage space comprises M section the first subspace; Described the second storage space comprises M section the second subspace.
Preferably, describedly write passage by the first data that are in effective status described data image data write described the first storage space, specifically comprise:
Described data image data are divided into M parts of images data, and wherein, i parts of images data are corresponding with described M i driving chip that drives in the chip;
Press the order of i from 1 to M, with the i parts of images data in the described M parts of images data, write passage by the first data that are in effective status and write i section the first subspace in described the first storage space;
Describedly write passage by the second data that are in effective status described data image data write described the second storage space, specifically comprise:
Described data image data are divided into M parts of images data;
Press the order of i from 1 to M, with the i parts of images data in the described M parts of images data, write passage by the second data that are in effective status and write i section the second subspace in described the second storage space.
A kind of method of reading out data also is provided in the embodiment of the invention, the method is applied in the data reading module of equipment that control display drives sequential, described control display drives the equipment of sequential and is connected with M driving chip in the display unit, wherein, M is the integer more than or equal to 1, and described method comprises:
Obtain field sync signal, line synchronizing signal, output clock and data enable signal;
Based on described field sync signal, described line synchronizing signal, described output clock and described data enable signal read the Digital Image Data of delegation in the two field picture in the first storage space from the equipment of described control display driving sequential or the second storage space;
Wherein, described Digital Image Data is that described control display drives data writing module in the equipment of sequential based on the field sync signal corresponding with described Digital Image Data, line synchronizing signal, data enable signal and input clock write the data of described the first storage space or the second storage space;
Wherein, described input clock and described output clock are separate clock.
Preferably, describedly from described the first storage space or described the second storage space, read described Digital Image Data, be specially:
Read described data image data by the first data read path that is in effective status from described the first storage space; Or
Read described data image data by the second data read path that is in effective status from described the second storage space;
Wherein, described the first data read path that is in effective status is specially and drives storage space in the equipment of sequential by described control display to select the module state-based be that the line synchronizing signal of effective status is at the data read path of described the first storage space with the foundation of described data reading intermodule;
Described the second data read path that is in effective status is specially and selects the module state-based by the storage space in the equipment of described control display driving sequential is that the line synchronizing signal of effective status is at the data read path of described the second storage space and the foundation of described data reading intermodule.
Preferably, described the first storage space comprises M section the first subspace; Described the second storage space comprises M section the second subspace.
Preferably, describedly read described data image data by the first data read path that is in effective status from described the first storage space, specifically comprise:
From described M section the first subspace, read the M parts of images data of described data image data simultaneously, wherein, the i parts of images data in the described M parts of images data are corresponding with described M i driving chip that drives in the chip;
Describedly read described data image data by the second data read path that is in effective status from described the second storage space, specifically comprise:
From described M section the second subspace, read the M parts of images data of described data image data simultaneously, wherein, the i parts of images data in the described M parts of images data are corresponding with described M i driving chip that drives in the chip.
Also provide a kind of control display to drive the method for sequential in the embodiment of the present application, the method is applied to one and comprises that control display drives in the equipment of sequential, the equipment that described control display drives sequential comprises the data writing module, data reading module and the output timing control module that is connected with described data reading module, M in described output timing control module and the display unit drives chip and is connected, wherein, M is the integer more than or equal to 1, and described method comprises:
Described data writing module obtains the capable Digital Image Data of i in the two field picture, and the field sync signal corresponding with the capable Digital Image Data of described i, line synchronizing signal, input clock, data enable signal;
Described data writing module is based on described field sync signal, described line synchronizing signal, described input clock and described data enable signal write the first storage space or the second storage space in the equipment that described control display drives sequential with the capable Digital Image Data of described i;
Described data reading module is based on described field sync signal, described line synchronizing signal, described data enable signal and an output clock, from described the first storage space or described the second storage space, read the capable Digital Image Data of i-1 in the described two field picture, wherein, the storage space of described data reading module sense data and the storage space of described data writing module data writing are different storage spaces;
Described output timing control module is based on described field sync signal, described line synchronizing signal, described output clock and described data enable signal require to export the capable Digital Image Data of described i-1 that described data reading module is read to described driving chip according to the sequential control corresponding with described driving chip;
Wherein, described input clock and described output clock are separate clock.
Preferably, described the capable Digital Image Data of described i is write the first storage space or the second storage space in the equipment that described control display drives sequential, is specially:
Write the passage data word view data that described i is capable by the first data that are in effective status and write described the first storage space; Or
Write the passage data word view data that described i is capable by the second data that are in effective status and write described the second storage space;
Wherein, described the first data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the first storage space and described data writing module write passage by described control display;
Described the second data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the second storage space and described data writing module write passage by described control display.
Preferably, described the first storage space comprises M section the first subspace; Described the second storage space comprises M section the second subspace.
Preferably, describedly write passage by the first data that are in effective status the capable Digital Image Data of described i write described the first storage space, specifically comprise:
The capable Digital Image Data of described i is divided into M parts of images data, and wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip;
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the first data that are in effective status and write j section the first subspace in described the first storage space;
Describedly write the passage data image data that described i is capable by the second data that are in effective status and write described the second storage space, specifically comprise:
The data image data that described i is capable are divided into M parts of images data;
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the second data that are in effective status and write j section the second subspace in described the second storage space.
Preferably, describedly from described the first storage space or described the second storage space, read the capable Digital Image Data of described i-1, be specially:
Read the capable Digital Image Data of described i-1 by the first data read path that is in effective status from described the first storage space; Or
Read the capable Digital Image Data of described i-1 by the second data read path that is in effective status from described the second storage space;
Wherein, described the first data read path that is in effective status is specially and drives storage space in the equipment of sequential by described control display to select the module state-based be that the line synchronizing signal of effective status is at the data read path of described the first storage space with the foundation of described data reading intermodule;
Described the second data read path that is in effective status is specially and selects the module state-based by the storage space in the equipment of described control display driving sequential is that the line synchronizing signal of effective status is at the data read path of described the second storage space and the foundation of described data reading intermodule.
Preferably, describedly read the capable data image data of described i-1 by the first data read path that is in effective status from described the first storage space, specifically comprise:
From described M section the first subspace, read the M parts of images data of the capable data image data of described i-1 simultaneously, wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip;
Describedly read the capable data image data of described i-1 by the second data read path that is in effective status from described the second storage space, specifically comprise:
From described M section the second subspace, read the M parts of images data of the capable data image data of described i-1 simultaneously, wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip.
Also provide a kind of control display to drive the equipment of sequential in the embodiment of the present application, comprising:
The data writing module;
The first data write passage and the second data write passage;
The first storage space writes passage capable of being by described the first data described the first storage space is connected with described data writing module;
The second storage space writes passage capable of being by described the second data described the second storage space is connected with described data writing module;
The data reading module;
The first data read path can be connected described the first storage space by described the first data read path with described data reading module;
The second data read path can be connected described the second storage space by described the second data read path with described data reading module;
Storage space is selected module, and with described the first, and the second storage space connects;
The output timing control module, first end is connected with described data reading module, and M in the second end and the display unit drives chip and is connected, and M is the integer more than or equal to 1; Wherein,
Described data writing module is used for the capable Digital Image Data of a two field picture i is write described the first storage space or described the second storage space;
Described data reading module is used for reading the capable Digital Image Data of i-1 the described two field picture from described the first storage space or described the second storage space, wherein, the storage space of described data reading module sense data and the storage space of described data writing module data writing are different storage spaces;
Described output timing control module is used for according to driving sequential control corresponding to chip and require to export the capable Digital Image Data of described i-1 that described data reading module reads to described M driving chip with described M;
Wherein, the output clock that obtains of the input clock that obtains of described data writing module and described data reading module is separate clock.
Preferably, described data writing module specifically is used for:
Based on the input clock that obtains, and the field sync signal corresponding with the capable digital picture of described i, line synchronizing signal and data enable signal write the first storage space or the second storage space in the equipment that described control display drives sequential with the capable Digital Image Data of described i.
Preferably, described data writing module also specifically is used for:
Write the passage data word view data that described i is capable by described the first data that are in effective status and write described the first storage space; Or
Write the passage data word view data that described i is capable by described the second data that are in effective status and write described the second storage space.
Preferably, described data writing module specifically also is used for:
The capable Digital Image Data of described i is divided into M parts of images data, and wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip;
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the first data that are in effective status and write j section the first subspace in described the first storage space; Or
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the second data that are in effective status and write j section the second subspace in described the second storage space.
Preferably, described data reading module specifically is used for: based on an output clock, described field sync signal, described line synchronizing signal and described data enable signal read the capable Digital Image Data of i-1 in the described two field picture from described the first storage space or described the second storage space.
Preferably, described data reading module specifically also is used for:
Read the capable Digital Image Data of described i-1 by the first data read path that is in effective status from described the first storage space; Or
Read the capable Digital Image Data of described i-1 by the second data read path that is in effective status from described the second storage space.
A kind of playback equipment also is provided in the embodiment of the present application, comprises:
Display unit,
M drives chip, is connected with described display unit;
Control display drives the equipment of sequential, is connected with described M driving chip;
Wherein, the equipment that drives sequential by described control display obtains the data image data, and drive sequential control corresponding to chip according to described M and require to export described Digital Image Data to described M driving chip, and show described data image data by described display unit.
By one or more technical schemes in the embodiment of the present application, the application can be achieved as follows technique effect at least:
Because output clock is by the clock that is independent of input clock, that is: input clock has been realized separating with output clock, so, comparing prior art, the application has when input clock is unstable, and output clock can not be subject to the technique effect of input clock impact;
Because output clock can not be subject to the input clock impact, so compared to prior art, the application has the high and reliable technique effect of image output stability;
Owing to increasing two spatial caches at data writing module and data reading intermodule, so that view data is kept in, when view data being write a storage space, read the view data that has deposited in from another storage space, so, compared to prior art, can more effectively eliminate the time error cumulative function between input data and the output data, further guarantee stability and the reliability of image output;
Owing to can come each spatial cache in two spatial caches is carried out segmentation according to the driving number of chips of display screen among the application, so, compared to prior art, can effectively adapt to the scene that display screen has a plurality of driving chips, efficiently solve in the prior art, can not be applicable to have the technical matters of the large scale display screen of a plurality of driving chips.
Description of drawings
Fig. 1 is the block scheme that control display drives the equipment of sequential in the embodiment of the present application one;
Fig. 2 be in the embodiment of the present application one in the equipment segmentation of a storage space divide schematic diagram;
Fig. 3 is the process flow diagram that control display drives the method for sequential in the embodiment of the present application two;
Fig. 4 is the process flow diagram of method for writing data in the embodiment of the present application two;
Fig. 5 is the process flow diagram of data read method in the embodiment of the present application two;
Fig. 6 is the sequential chart that control display drives the method for sequential in the embodiment of the present application two;
Fig. 7 is the block scheme of playback equipment in the embodiment of the present application three.
Embodiment
In order better to understand the application's technical scheme, next we are to realize that in FPGA driving sequential control to the OLED screen as example, is elaborated to technique scheme in conjunction with Figure of description and embodiment.Obviously, for those of ordinary skills, the technical program is not limited only to realize in FPGA, also can realize in other programmable logic device (PLD) or by designing corresponding hardware circuit; The application also is not limited to be applied on the OLED screen, so long as other display screens that those of ordinary skills can expect based on the OLED that mentions among the application all belong to the claimed scope of the application.
Embodiment one, and a kind of control display that provides for the application drives the equipment of sequential.Please refer to Fig. 1, the equipment 100 that this control display drives sequential comprises:
The first data write path 10 2 and the second data write path 10 3;
The first storage space 104, writing path 10 2 by described the first data can be connected described the first storage space 104 with described data writing module 101;
The second storage space 105, writing path 10 3 by described the second data can be connected described the second storage space 105 with described data writing module 101;
The first data read path 107 can be connected described the first storage space 104 by described the first data read path 107 with described data reading module 106;
The second data read path 108 can be connected described the second storage space 105 by described the second data read path 108 with described data reading module 106;
Storage space is selected module 109, and with described the first, and the second storage space 104,105 connects;
Output timing control module 110, first end is connected with described data reading module 106, and M in the second end and the display unit 200 drives chip 201 and is connected, and M is the integer more than or equal to 1; Wherein,
Described data writing module 101 is used for the capable Digital Image Data of a two field picture i is write described the first storage space 104 or described the second storage space 105;
Described data reading module 106 is used for reading the capable Digital Image Data of i-1 the described two field picture from described the first storage space 104 or described the second storage space 105, wherein, the storage space of described data reading module 106 sense datas and the storage space of described data writing module 101 data writings are different storage spaces;
Described output timing control module 110 is used for according to driving sequential control corresponding to chip 201 and require to export the capable Digital Image Data of described i-1 that described data reading module 106 reads to described M driving chip 201 with described M;
Wherein, the output clock that obtains of the input clock that obtains of described data writing module 101 and described data reading module 106 is separate clock.
Please refer to Fig. 1, in the embodiment of the present application, described input clock is specially: control display drives PLCK (the Phase-locked loop Clock: phase-locked clock) of the equipment 100 of sequential in input the present embodiment; Described output clock is specially: the clock that is provided by independent clock 300; Or with the clock of independent clock 300 by the phase-locked rear generation of inner PLL, wherein, described independent clock 300 can be provided by dissimilar clock source in concrete the application, as: external crystal-controlled oscillation.
Please refer to Fig. 1, in the concrete implementation procedure, described the first storage space 104 and described the second storage space 105 can be two inner dual port RAM modules, that is: the first storage space 104 is specifically as follows: RAM1; The second storage space 105 is specifically as follows: RAM2.
In the embodiment of the present application, for can the large-sized display unit of effective support, as: large scale OLED screen, described the first storage space 104 and described the second storage space 105 can be divided into a plurality of storages subspace, the quantity of subspace and storage size can be consistent with the driving chip of display unit.As: please refer to Fig. 1, when the driving chip of described display unit 200 has 3, described RAM1 and described RAM2 are divided into three sub spaces, that is, RAM1 is divided into 3 the first subspaces; RAM2 is divided into 3 the second subspaces.
For those of ordinary skills, based on above-mentioned example, be easy to expect, when having M to drive chip when described display screen, just RAM1 can be divided into M section the first subspace, RAM2 is divided into M section the second subspace, wherein, M is the integer more than or equal to 1.
The equipment 100 of control display driving sequential also comprises in the present embodiment:
Data write channel selecting module, are used for determining utilizing described the first data to write path 10 2 and realize being connected of described data writing module 101 and described the first storage space 104; Still utilize described the second data to write path 10 3 and realize being connected of described data writing module 101 and described the second storage space 105.
Data read path is selected module, is used for determining utilizing described the first data read path 107 to realize being connected of described data reading module 106 and described the first storage space 104; Still utilize described the second data read path 108 to realize being connected of described data reading module 106 and described the second storage space 105.
Embodiment two:
The control display of the application in embodiment one is provided drives the equipment 100 of sequential, also provide a kind of control display to drive the method for sequential, the method can be applied in the equipment 100 of described control display driving sequential, below in conjunction with Fig. 3, Fig. 4, Fig. 5, Fig. 6 specifically describes the specific implementation process of the method:
S401, the data writing module obtains the capable Digital Image Data of i and field sync signal, line synchronizing signal, input clock and data enable signal are specially: described data writing module 101 obtains the capable Digital Image Data of i in the two field picture, and the field sync signal corresponding with the capable Digital Image Data of described i, line synchronizing signal, input clock, data enable signal;
S402, the data writing module is specially the first storage space or the second storage space that described Digital Image Data writes in the display drive control device: described data writing module 101 is based on described field sync signal, described line synchronizing signal, described input clock and described data enable signal write the first storage space 104 or the second storage space 105 in the equipment 100 that described control display drives sequential with the capable Digital Image Data of described i;
S403, the data reading module is read the capable Digital Image Data of i-1 and is specially from described the first storage space or described the second storage space: described data reading module 106 is based on described field sync signal, described line synchronizing signal, described data enable signal and an output clock, from described the first storage space 104 or described the second storage space 105, read the capable Digital Image Data of i-1 in the described two field picture, wherein, the storage space of described data reading module 106 sense datas and the storage space of described data writing module 101 data writings are different storage spaces;
S404, the output timing control module requires to export the capable Digital Image Data of described i-1 to described driving chip according to the sequential control corresponding with driving chip and is specially: described output timing control module 110 is based on described field sync signal, described line synchronizing signal, described output clock and described data enable signal require the capable Digital Image Data of described i-1 of reading to the described data reading module 106 of described driving chip 201 outputs according to the sequential control corresponding with described driving chip 201;
Wherein, described input clock and described output clock are separate clock.
In the present embodiment, described i line number digital image data can be the arbitrary line number digital image data in the two field picture, as: when in the two field picture 100 row being arranged, described i is capable can be the 1st row, also can be the 59th row, also can be the 100th row.
And for capable field sync signal corresponding to Digital Image Data of described i, line synchronizing signal and data enable signal have included: effective status and disarmed state.Usually, for data writing module 101, the field sync signal that data reading module 106 grades receive in line synchronizing signal and the data enable signal, has the part field sync signal, and line synchronizing signal and data enable signal are disarmed state; Be effective status and part field sync signal, line synchronizing signal and data enable signal are arranged.
Please refer to Fig. 4, implement the process flow diagram of method for writing data in two for the application, by this process flow diagram, the technical field those of ordinary skill can know clearly under the application, the process of data writing module 101 data writings, i.e. two steps of S401 in the corresponding diagram 3 and S402 are specially:
S501 obtains field sync signal, line synchronizing signal, input clock and data enable signal;
S502 obtains the Digital Image Data of delegation in the two field picture;
S503, based on described field sync signal, described line synchronizing signal, described input clock and described data enable signal, described Digital Image Data is write the first storage space or the second storage space in the equipment that described control display drives sequential, and the data reading module that drives for described control display in the equipment of sequential reads from described the first storage space or the second storage space based on output clock.
Wherein, for step S501 and step S502, in concrete implementation procedure, sequencing is arranged, namely carry out first step S501, carry out again step S502.
For step S503, the specific implementation process is: when described data enable signal is effective status, based on described input clock, described Digital Image Data is write the first storage space 104 or the second storage space 105 in the equipment 100 that described control display drives sequential.
Because in the embodiment of the present application for reaching when display unit 200 shows, have good stability and reliability, and make data writing module 101 in the process of a storage space data writing, data reading module 106 need to be from another storage space sense data, so, data writing module 101 can not carry out write operation to the first storage space 104 and the second storage space 105 simultaneously, and can only carry out write operation to one of them storage space, so, when the first storage space 104 in the equipment 100 that described Digital Image Data is write described control display driving sequential or the second storage space 105, specifically can be divided into two kinds of situations:
The first writes path 10 2 by the first data that are in effective status described Digital Image Data is write described the first storage space 104; Or
The second writes path 10 3 by the second data that are in effective status described Digital Image Data is write described the second storage space 105.
Described the first data that are in effective status write path 10 2 and are specially: driven in the equipment of sequential 100 storage space to select module 109 state-baseds be that the line synchronizing signal of effective status writes passage in the data of described the first storage space 104 and 101 foundation of described data writing module by described control display;
Described the second data that are in effective status write path 10 3 and are specially: driven in the equipment of sequential 100 storage space to select module 109 state-baseds be that the line synchronizing signal of effective status writes passage in the data of described the second storage space 105 and 101 foundation of described data writing module by described control display.
Because the first data write path 10 2 and the second data and write path 10 3 and can not be in simultaneously effective status, for this reason, select module 109 that a T trigger can be set at storage space, this T trigger is after the line synchronizing signal that obtains, two output levels are exported to respectively the first data write passage and the second data write passage, be used for making described the first data to write path 10 2 and be effective status, or make described the second data write path 10 3 to be effective status.
Specifically, please refer to Fig. 6, when line synchronizing signal effectively triggered, level can sport " 1 " by " 0 ", and the T trigger is when receiving level and sport " 1 ", two output levels produce upset, i.e. " 0 " upset is " 1 ", " 1 " upset " 0 ", and as seen, two output levels are opposite relation, be that one of them is output as " 0 ", another output level must be " 1 ".This moment data channel select module with the first data write level that passage and the second data write passage all with " 1 " and, selection result be " 1 " write passage as valid data.Because one of them output level is " 0 ", another output level must be " 1 ", so first data write path 10 2 and the second data and write 3 of path 10s and have one and be in effective status in the section at one time, just set up the second data that the first data that are in effective status write passage or be in effective status at this moment and write passage.
Now to write passage be that the first data write path 10 2 to the hypothesis data that are in effective status, in the time described data image signal need to being write the first subspace of the first storage space 104, in order to guarantee that the data that each cross-talk space writes just are driving chip data to display, be convenient to 106 while of data reading module reading number image data transmission and drive driving chip corresponding in the chip to M, in the technical scheme of the present embodiment, described data image data are divided into M parts of images data, wherein, i parts of images data are corresponding with described M i driving chip that drives in the chip.Press the order of i from 1 to M, with the i parts of images data in the described M parts of images data, write path 10 2 by the first data that are in effective status and write i section the first subspace in described the first storage space 104.
Please refer to Fig. 2 and Fig. 6, the below introduces data writing process in detail take M as 3 as example, at first will state the data image data and be divided into 3 parts of images data, be specially: first comprises X1 pixel, second portion, comprise X2 pixel, and third part, comprise X3 pixel; When data enable signal effectively triggers, the memory address register of writing in the data writing module 101 carries out the counting operation that begins from 0 when the input clock rising edge triggers, when count value during less than X1, the first of Digital Image Data is write the first paragraph RAM1_1 of the first subspace, when count value more than or equal to X1 during less than X1+X2, the second portion of Digital Image Data is write the second segment RAM1_2 of the first subspace, when count value during less than X1+X2+X3, writes the third part of Digital Image Data the 3rd section RAM1_3 of the first subspace more than or equal to X1+X2.
If in concrete application process, it is that the second data write path 10 3 that the data that are in effective status write passage, the detailed process that then described data image signal is write the second storage space 105 writes path 10 2 by the first data that are in effective status described data image signal is write the first storage space 104 is the same with above-mentioned, for this area ordinary person, also can directly know and derive out based on foregoing description, so, at this, repeat no more.
When capable described Digital Image Data writes the first storage space 102 or the second storage space 103 with i by step S402, method in the present embodiment, also can carry out step S403, be about to the capable Digital Image Data of i-1 and read from described the first storage space 102 or the second storage space 103.Below in conjunction with Fig. 5, come the detailed process that data are read is introduced:
Fig. 5 is the process flow diagram that the application implements data read method in two, and this process flow diagram is specially:
Step S601 obtains field sync signal, line synchronizing signal, output clock and data enable signal;
Step S602, based on described field sync signal, described line synchronizing signal, described output clock and described data enable signal read the capable Digital Image Data of i-1 in the described two field picture from described the first storage space 104 or described the second storage space 105.
The embodiment of the present application for input clock frequency with read in the unequal situation of clock frequency, the cycle that guarantees to greatest extent to read data line is identical with the cycle that writes data line, effectively eliminate because input clock frequency and the inconsistent cumulative errors that causes of output clock frequency, when carrying out the writing and read of every delegation, all can be undertaken by line synchronizing signal one subsynchronous.
In descending synchronously of line synchronizing signal, the specific implementation process of step S602 is: when data enable signal is effective status, read described Digital Image Data from described the first storage space 104 or described the second storage space 105.
Concrete, from the first storage space 104, read the capable Digital Image Data of i-1 in the two field picture by the first data read path 107 that is in effective status; Or from the second storage space 105, read the capable Digital Image Data of i-1 in the two field picture by the second data read path 108 that is in effective status.
Wherein, the first data read path 107 that is in effective status is specially: the storage space that is driven the equipment 100 of sequential by described control display select module 109 state-baseds be the line synchronizing signal of effective status at the data read path of described the first storage space 104 and 106 foundation of described data reading module, its method for building up is consistent with the method that the first data that are in effective status write path 10 2.Wherein, because that the T trigger is exported to the level of the first data read path is opposite with level that the first data write passage, guaranteed that the first storage space 104 can not be written into data and sense data simultaneously.Same, the second data read path 108 that is in effective status be specially by described control display drive storage space in the equipment 100 of sequential select module 109 state-baseds be the line synchronizing signal of effective status at the data read path of described the second storage space 105 and 106 foundation of described data reading module, its method for building up is consistent with the method that the second data that are in effective status write path 10 3.Wherein, because that the T trigger is exported to the level of the second data read path 108 is opposite with level that the second data write path 10 3, guaranteed that the second storage space 105 can not be written into data and sense data simultaneously.
Method by above-mentioned data reading module 106 sense datas combines with the method for data writing module 101 data writings, realized that data reading and data write incessantly, when namely the first storage space 104 is written into data, from the second storage space 105 sense datas; When the first storage space 104 is read out data, from the second storage space 105 data writings.
Simultaneously, the capable Digital Image Data of i-1 that data reading module 106 reads in the described two field picture is specially: when data enable signal effectively triggers, the memory address registers of reading in the data reading module 106 begin counting from 0, simultaneously from the identical address unit sense data in each cross-talk space of the first storage space 104 or the second storage space 105.
The below is take M as 3 as example, and the specific implementation process of step S404 is described in detail:
It is 3 o'clock at M, described display unit has 3 and drives chip, in order to drive the correct Digital Image Data of chip 201 output timings to described 3, described output timing control module 110 need to require arrange corresponding output timing according to described 3 sequential control that drive chips 201.
Namely when described data enable signal is effective status, based on an output clock, according to driving sequential control corresponding to chips 201 and require to drive the capable Digital Image Data of described i-1 that the described data reading modules 106 of chips 201 outputs read to described 3 with described 3.Be specially: first's data of the Digital Image Data that i-1 is capable are exported to the 1st and are driven chip, and the second portion data are exported to the 2nd and driven chip, and the third part data are exported to the 3rd and driven chip.
Embodiment three
The application also provides a kind of playback equipment, please refer to Fig. 7, and this equipment comprises:
M drives chip 201, is connected with described display unit;
Control display drives the equipment 100 of sequential, is connected with described M driving chip 201;
Wherein, the equipment that drives sequential by described control display obtains the data image data, and require to drive the described Digital Image Data of chip 201 outputs to described M according to described M sequential control that drives chip 201 correspondences, and by the described data image data of described display unit 200 demonstrations.
The control display that comprises in the present embodiment playback equipment drives the same in the formation of equipment 100 of sequential and principle of work and the embodiment of the present application, for those of ordinary skills, to pay the equipment that creative work just can drive the control display among the embodiment one sequential, use in the present embodiment, so, at this, no longer describe in detail.
The application is by the technical scheme that above-mentioned one or more embodiment provide, and has following useful technique effect or one of has a few:
Provide output clock by configuration to clock source independently, realized separating of input clock and output clock, thereby output clock can not be subjected to that input clock is unsettled to be affected, and has guaranteed stability and the reliability of output data.
Increase two spatial caches at data writing module and data reading intermodule simultaneously, so that view data is kept in, when view data being write a storage space, read the view data that has deposited in from another storage space, so, compared to prior art, can more effectively eliminate the time error cumulative function between input data and the output data, further guarantee stability and the reliability of image output, and then improved the quality that display screen shows image, reached the technique effect that better user experiences.
Divide by the zone to storage unit, can carry out simultaneously the control display driving by pin M driving chip, can effectively adapt to the scene that display screen has a plurality of driving chips, being conducive to display applications has a plurality of driving chips, realizes the display screen large scale.
By independently output timing control module is set, output timing control module and data writing module and data reading module are separate, for different display driver chips, only need to revise the output timing control module, make its signal output waveform satisfy the upper sequential requirement that drives chip of screen, can realize that on the design basis rapid Design switches, to improve design efficiency.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (23)
1. the method for a data writing is applied in the data writing module of equipment that control display drives sequential, and described control display drives the equipment of sequential and is connected with M driving chip in the display unit, wherein, M is the integer more than or equal to 1, it is characterized in that, described method comprises:
Obtain field sync signal, line synchronizing signal, input clock and data enable signal;
Obtain the Digital Image Data of delegation in the two field picture;
Based on described field sync signal, described line synchronizing signal, described input clock and described data enable signal, described Digital Image Data is write the first storage space or the second storage space in the equipment that described control display drives sequential, and the data reading module that drives for described control display in the equipment of sequential reads from described the first storage space or the second storage space based on output clock; Wherein, described input clock and described output clock are separate clock.
2. the method for claim 1 is characterized in that, described the first storage space or the second storage space that described Digital Image Data is write in the equipment that described control display drives sequential is specially:
Write passage by the first data that are in effective status described Digital Image Data is write described the first storage space; Or
Write passage by the second data that are in effective status described Digital Image Data is write described the second storage space;
Wherein, described the first data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the first storage space and described data writing module write passage by described control display;
Described the second data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the second storage space and described data writing module write passage by described control display.
3. method as claimed in claim 2 is characterized in that, described the first storage space comprises M section the first subspace; Described the second storage space comprises M section the second subspace.
4. method as claimed in claim 3 is characterized in that, wherein:
Describedly write passage by the first data that are in effective status described data image data write described the first storage space, specifically comprise:
Described data image data are divided into M parts of images data, and wherein, i parts of images data are corresponding with described M i driving chip that drives in the chip;
Press the order of i from 1 to M, with the i parts of images data in the described M parts of images data, write passage by the first data that are in effective status and write i section the first subspace in described the first storage space; Describedly write passage by the second data that are in effective status described data image data write described the second storage space, specifically comprise:
Described data image data are divided into M parts of images data;
Press the order of i from 1 to M, with the i parts of images data in the described M parts of images data, write passage by the second data that are in effective status and write i section the second subspace in described the second storage space.
5. the method for a reading out data is applied in the data reading module of equipment that control display drives sequential, and described control display drives the equipment of sequential and is connected with M driving chip in the display unit, wherein, M is the integer more than or equal to 1, it is characterized in that, described method comprises:
Obtain field sync signal, line synchronizing signal, output clock and data enable signal;
Based on described field sync signal, described line synchronizing signal, described output clock and described data enable signal read the Digital Image Data of delegation in the two field picture in the first storage space from the equipment of described control display driving sequential or the second storage space;
Wherein, described Digital Image Data is that described control display drives data writing module in the equipment of sequential based on the field sync signal corresponding with described Digital Image Data, line synchronizing signal, data enable signal and input clock write the data of described the first storage space or the second storage space;
Wherein, described input clock and described output clock are separate clock.
6. method as claimed in claim 5 is characterized in that, describedly reads described Digital Image Data from described the first storage space or described the second storage space, is specially:
Read described data image data by the first data read path that is in effective status from described the first storage space; Or
Read described data image data by the second data read path that is in effective status from described the second storage space;
Wherein,
Described the first data read path that is in effective status is specially and selects the module state-based by the storage space in the equipment of described control display driving sequential is that the line synchronizing signal of effective status is at the data read path of described the first storage space and the foundation of described data reading intermodule;
Described the second data read path that is in effective status is specially and selects the module state-based by the storage space in the equipment of described control display driving sequential is that the line synchronizing signal of effective status is at the data read path of described the second storage space and the foundation of described data reading intermodule.
7. method as claimed in claim 6 is characterized in that, described the first storage space comprises M section the first subspace; Described the second storage space comprises M section the second subspace.
8. method as claimed in claim 7 is characterized in that, describedly reads described data image data by the first data read path that is in effective status from described the first storage space, specifically comprises:
From described M section the first subspace, read the M parts of images data of described data image data simultaneously, wherein, the i parts of images data in the described M parts of images data are corresponding with described M i driving chip that drives in the chip;
Describedly read described data image data by the second data read path that is in effective status from described the second storage space, specifically comprise:
From described M section the second subspace, read the M parts of images data of described data image data simultaneously, wherein, the i parts of images data in the described M parts of images data are corresponding with described M i driving chip that drives in the chip.
9. a control display drives the method for sequential, be applied to one and comprise that control display drives in the equipment of sequential, the equipment that described control display drives sequential comprises the data writing module, data reading module and the output timing control module that is connected with described data reading module, M in described output timing control module and the display unit drives chip and is connected, and wherein, M is the integer more than or equal to 1, it is characterized in that, described method comprises:
Described data writing module obtains the capable Digital Image Data of i in the two field picture, and the field sync signal corresponding with the capable Digital Image Data of described i, line synchronizing signal, input clock, data enable signal;
Described data writing module is based on described field sync signal, described line synchronizing signal, described input clock and described data enable signal write the first storage space or the second storage space in the equipment that described control display drives sequential with the capable Digital Image Data of described i;
Described data reading module is based on described field sync signal, described line synchronizing signal, described data enable signal and an output clock, from described the first storage space or described the second storage space, read the capable Digital Image Data of i-1 in the described two field picture, wherein, the storage space of described data reading module sense data and the storage space of described data writing module data writing are different storage spaces;
Described output timing control module is based on described field sync signal, described line synchronizing signal, described output clock and described data enable signal require to export the capable Digital Image Data of described i-1 that described data reading module is read to described driving chip according to the sequential control corresponding with described driving chip;
Wherein, described input clock and described output clock are separate clock.
10. method as claimed in claim 9 is characterized in that, described the capable Digital Image Data of described i is write the first storage space or the second storage space in the equipment that described control display drives sequential, is specially:
Write the passage data word view data that described i is capable by the first data that are in effective status and write described the first storage space; Or
Write the passage data word view data that described i is capable by the second data that are in effective status and write described the second storage space;
Wherein,
Described the first data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the first storage space and described data writing module write passage by described control display;
Described the second data that are in effective status write passage and are specially: driven storage space in the equipment of sequential to select the module state-based be that the data that the line synchronizing signal of effective status is set up between described the second storage space and described data writing module write passage by described control display.
11. method as claimed in claim 10 is characterized in that, described the first storage space comprises M section the first subspace; Described the second storage space comprises M section the second subspace.
12. method as claimed in claim 11 is characterized in that, describedly writes passage by the first data that are in effective status the capable Digital Image Data of described i is write described the first storage space, specifically comprises:
The capable Digital Image Data of described i is divided into M parts of images data, and wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip;
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the first data that are in effective status and write j section the first subspace in described the first storage space;
Describedly write the passage data image data that described i is capable by the second data that are in effective status and write described the second storage space, specifically comprise:
The data image data that described i is capable are divided into M parts of images data;
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the second data that are in effective status and write j section the second subspace in described the second storage space.
13. method as claimed in claim 9 is characterized in that, describedly reads the capable Digital Image Data of described i-1 from described the first storage space or described the second storage space, is specially:
Read the capable Digital Image Data of described i-1 by the first data read path that is in effective status from described the first storage space; Or
Read the capable Digital Image Data of described i-1 by the second data read path that is in effective status from described the second storage space;
Wherein,
Described the first data read path that is in effective status is specially and selects the module state-based by the storage space in the equipment of described control display driving sequential is that the line synchronizing signal of effective status is at the data read path of described the first storage space and the foundation of described data reading intermodule;
Described the second data read path that is in effective status is specially and selects the module state-based by the storage space in the equipment of described control display driving sequential is that the line synchronizing signal of effective status is at the data read path of described the second storage space and the foundation of described data reading intermodule.
14. method as claimed in claim 13 is characterized in that, describedly reads the capable data image data of described i-1 by the first data read path that is in effective status from described the first storage space, specifically comprises:
From described M section the first subspace, read the M parts of images data of the capable data image data of described i-1 simultaneously, wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip;
Describedly read the capable data image data of described i-1 by the second data read path that is in effective status from described the second storage space, specifically comprise:
From described M section the second subspace, read the M parts of images data of the capable data image data of described i-1 simultaneously, wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip.
15. method as claimed in claim 9, it is characterized in that, described output timing control module is based on described field sync signal, described line synchronizing signal, described output clock and described data enable signal, require to export the capable Digital Image Data of i-1 that described data reading module is read to described driving chip according to the sequential control corresponding with described driving chip, be specially:
Described output timing control module is when described data enable signal is effective status, based on described output clock, require to export the capable Digital Image Data of i-1 that described data reading module is read to described driving chip according to the sequential control corresponding with described driving chip.
16. a control display drives the equipment of sequential, it is characterized in that, comprising:
The data writing module;
The first data write passage and the second data write passage;
The first storage space writes passage capable of being by described the first data described the first storage space is connected with described data writing module;
The second storage space writes passage capable of being by described the second data described the second storage space is connected with described data writing module;
The data reading module;
The first data read path can be connected described the first storage space by described the first data read path with described data reading module;
The second data read path can be connected described the second storage space by described the second data read path with described data reading module;
Storage space is selected module, and with described the first, and the second storage space connects;
The output timing control module, first end is connected with described data reading module, and M in the second end and the display unit drives chip and is connected, and M is the integer more than or equal to 1; Wherein,
Described data writing module is used for the capable Digital Image Data of a two field picture i is write described the first storage space or described the second storage space;
Described data reading module is used for reading the capable Digital Image Data of i-1 the described two field picture from described the first storage space or described the second storage space, wherein, the storage space of described data reading module sense data and the storage space of described data writing module data writing are different storage spaces;
Described output timing control module is used for according to driving sequential control corresponding to chip and require to export the capable Digital Image Data of described i-1 that described data reading module reads to described M driving chip with described M;
Wherein, the output clock that obtains of the input clock that obtains of described data writing module and described data reading module is separate clock.
17. equipment as claimed in claim 16 is characterized in that, described data writing module specifically is used for:
Based on the input clock that obtains, and the field sync signal corresponding with the capable digital picture of described i, line synchronizing signal and data enable signal write the first storage space or the second storage space in the equipment that described control display drives sequential with the capable Digital Image Data of described i.
18. equipment is characterized in that as claimed in claim 17, described data writing module also specifically is used for:
Write the passage data word view data that described i is capable by described the first data that are in effective status and write described the first storage space; Or
Write the passage data word view data that described i is capable by described the second data that are in effective status and write described the second storage space.
19. equipment as claimed in claim 18 is characterized in that, described data writing module specifically also is used for:
The capable Digital Image Data of described i is divided into M parts of images data, and wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip;
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the first data that are in effective status and write j section the first subspace in described the first storage space; Or
Press the order of j from 1 to M, with the j parts of images data in the described M parts of images data, write passage by the second data that are in effective status and write j section the second subspace in described the second storage space.
20. equipment as claimed in claim 16, it is characterized in that, described data reading module specifically is used for: based on an output clock, described field sync signal, described line synchronizing signal and described data enable signal read the capable Digital Image Data of i-1 in the described two field picture from described the first storage space or described the second storage space.
21. equipment as claimed in claim 20 is characterized in that, described data reading module specifically also is used for:
Read the capable Digital Image Data of described i-1 by the first data read path that is in effective status from described the first storage space; Or
Read the capable Digital Image Data of described i-1 by the second data read path that is in effective status from described the second storage space.
22. equipment as claimed in claim 21 is characterized in that: described data reading module specifically also is used for:
From described M section the first subspace, read the M parts of images data of the capable data image data of described i-1 simultaneously; Or
From described M section the second subspace, read the M parts of images data of the capable data image data of described i-1 simultaneously;
Wherein, the j parts of images data in the described M parts of images data are corresponding with described M j driving chip that drives in the chip.
23. a playback equipment is characterized in that, comprising:
Display unit,
M drives chip, is connected with described display unit;
Drive the equipment of sequential such as the described control display of arbitrary claim among the claim 16-22, be connected with described M driving chip;
Wherein, the equipment that drives sequential by described control display obtains the data image data, and drive sequential control corresponding to chip according to described M and require to export described Digital Image Data to described M driving chip, and show described data image data by described display unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097893.7A CN103366669B (en) | 2012-04-05 | 2012-04-05 | A kind of method and playback equipment controlling display driver sequential |
| PCT/CN2012/074901 WO2013149418A1 (en) | 2012-04-05 | 2012-04-28 | Method for controlling display driving time sequence, and playback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210097893.7A CN103366669B (en) | 2012-04-05 | 2012-04-05 | A kind of method and playback equipment controlling display driver sequential |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103366669A true CN103366669A (en) | 2013-10-23 |
| CN103366669B CN103366669B (en) | 2015-12-16 |
Family
ID=49299940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210097893.7A Active CN103366669B (en) | 2012-04-05 | 2012-04-05 | A kind of method and playback equipment controlling display driver sequential |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103366669B (en) |
| WO (1) | WO2013149418A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005083672A2 (en) * | 2004-02-24 | 2005-09-09 | Qualcomm Incorporated | Display processor for a wireless device |
| CN201017609Y (en) * | 2007-03-28 | 2008-02-06 | 深圳市同洲电子股份有限公司 | Display control system of large-sized LED display screen |
| CN101694609A (en) * | 2009-10-15 | 2010-04-14 | 上海大学 | Structure and method for improving speed of external memory interface of high-definition image real-time collecting system DSP |
| CN101976549A (en) * | 2010-11-17 | 2011-02-16 | 福州大学 | Dynamic dimming circuit for splicing large-area field emission backlight |
| JP2011133918A (en) * | 2009-12-22 | 2011-07-07 | Meidensha Corp | Data input/output circuit extension device for remote i/o slave station |
-
2012
- 2012-04-05 CN CN201210097893.7A patent/CN103366669B/en active Active
- 2012-04-28 WO PCT/CN2012/074901 patent/WO2013149418A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005083672A2 (en) * | 2004-02-24 | 2005-09-09 | Qualcomm Incorporated | Display processor for a wireless device |
| CN201017609Y (en) * | 2007-03-28 | 2008-02-06 | 深圳市同洲电子股份有限公司 | Display control system of large-sized LED display screen |
| CN101694609A (en) * | 2009-10-15 | 2010-04-14 | 上海大学 | Structure and method for improving speed of external memory interface of high-definition image real-time collecting system DSP |
| JP2011133918A (en) * | 2009-12-22 | 2011-07-07 | Meidensha Corp | Data input/output circuit extension device for remote i/o slave station |
| CN101976549A (en) * | 2010-11-17 | 2011-02-16 | 福州大学 | Dynamic dimming circuit for splicing large-area field emission backlight |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103366669B (en) | 2015-12-16 |
| WO2013149418A1 (en) | 2013-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102275707B1 (en) | Display driver, display device and display system | |
| US9613578B2 (en) | Shift register unit, gate driving circuit and display device | |
| US9626036B2 (en) | Touch circuit, method for driving the same and touch display apparatus | |
| CN102467968B (en) | Non-volatile memory devices and its read method and accumulator system | |
| CN103943085B (en) | The driving method that a kind of gate driver circuit, display unit and subregion show | |
| US9947282B2 (en) | Gate driver, display driver circuit, and display device including same | |
| TWI611386B (en) | Display driving device, display apparatus and method for operating the same | |
| KR102560314B1 (en) | Scan driver and display device having the same | |
| CN105578103A (en) | Display device, display system including the same and display method thereof | |
| CN102270438B (en) | For producing equipment and the method for dither image data for stereo-picture display | |
| CN1941174A (en) | Multi-port memory device | |
| CN100541575C (en) | Shift register, its control method, electro-optical device and electronic equipment | |
| US9437129B2 (en) | Display driving integrated circuit, display device, and method used to perform operation of display driving integrated circuit | |
| EP1653433B1 (en) | Video data correction circuit, display device and electronic appliance | |
| KR102430061B1 (en) | Shift register and display device comprising the same | |
| JP2008107777A (en) | Timing controller and liquid crystal display device provided with the same | |
| CN110930956A (en) | Display driver circuit for adjusting frame rate to reduce power consumption | |
| KR20160006360A (en) | Method of displaying a stereoscopic image and display device | |
| TWI431601B (en) | And a semiconductor integrated circuit for display control | |
| US20120068926A1 (en) | Display device with reversible display and driving method thereof | |
| CN111402772A (en) | Touch display driver system and timing control method thereof | |
| CN104620308A (en) | Frame memory control circuit, display device and frame memory control method | |
| US20160093262A1 (en) | Display driver ic for selectively controlling 3-dimensional mode | |
| US10620899B2 (en) | Video display device and video data transmission method | |
| TWI714334B (en) | Control device, display device and operation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Video Technology Co.,Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: HISENSE ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |