CN105243983B - A kind of drive control device and driving method for display - Google Patents
A kind of drive control device and driving method for display Download PDFInfo
- Publication number
- CN105243983B CN105243983B CN201510659271.2A CN201510659271A CN105243983B CN 105243983 B CN105243983 B CN 105243983B CN 201510659271 A CN201510659271 A CN 201510659271A CN 105243983 B CN105243983 B CN 105243983B
- Authority
- CN
- China
- Prior art keywords
- data
- module
- view data
- pixel
- mode
- 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.)
- Expired - Fee Related
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a kind of drive control device of display and driving method, and it includes handover module, data compressing module, frame memory module, data decompression module and data drive module.Handover module obtains the first view data and obtains switching command simultaneously, and when it gets the switching command for switching to the first mode of operation, send the first view data to data compressing module using by the first Image Data Compression as the second view data；Frame memory module receives and stores the second view data, and sends to data decompression module and obtain the 3rd view data for decompression；When handover module gets the switching command for switching to the second mode of operation, the first view data is sent to data-driven module, data-driven module the 3rd view data or the first view data are converted into data drive voltage signal.Compared with prior art, the present invention can reduce the memory space of frame memory module, and then reduce cost, while also reduce power consumption caused by view data transmission.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of drive control device for display and driving side
Method.
Background technology
At present, the drive control device (or drive circuit, driving IC) of display according to whether with frame storage module (such as
RAM) it is divided into two kinds.
When the master controller (such as CPU) of display does not update display picture, the drive control device with frame memory module
View data timing in frame memory module can be taken out and be converted into data drive voltage signal, and then sent to display
Respective data lines on to enable the display screen display picture always of display, now master controller is connect by mobile processing
Mouth (MIPI interfaces) transmits view data to frame memory module using command mode (command mode).Therefore stored with frame
The drive control device of module is when master controller shows tableaux without the continual transmission view data of master controller, tool
There is low in energy consumption, power saving effect.But for the frame of multidigit (bit, bit) data of each pixel in storage image data
Memory module needs substantial amounts of memory space, and pixel depth (or pixel resolution) it is bigger, it is necessary to memory space it is bigger, this
The yield of drive control device can not only be reduced so that the cost increase of drive control device.
And it is that direct receive is adopted by master controller by mobile Processing Interface without the drive control device of frame memory module
The view data transmitted with image mode (video mode), and view data is directly changed into data drive voltage signal and used
In the display screen of driving display, if master controller does not send view data, the display screen of display can not be received and changed
Into effective data drive voltage signal, now display screen can show exception.Therefore without the drive control of frame memory module
Although device stills need the continual output image data of master controller when master controller shows tableaux and then is converted to
Data drive voltage signal, have power consumption it is high the characteristics of, but its do not have frame memory module and cause drive control device into
This is relatively low.
To sum up, the drive control device of existing with or without frame memory module can not meet display to power consumption simultaneously
With the requirement of cost.
The content of the invention
The present invention solves the technical problem of provide a kind of drive control device and driving method of display, Neng Gougen
The drive control device with frame memory module and without frame memory module is switched to according to switching command, and with frame memory module
When, by the memory space of the digit compression storing data of view data and then reduction frame memory module so that drive control device
Cost reduces, while also reduces power consumption caused by view data transmission.
In order to solve the above technical problems, one aspect of the present invention is to provide a kind of driving control of display
Device processed, the drive control device include handover module, data compressing module, frame memory module, data decompression module and data-driven
Module；Handover module has the first view data of n-bit data for obtaining each pixel, while obtains and switch to the first work
The switching command of operation mode or the second mode of operation；The switching command of the first mode of operation is switched to when handover module is got
When, the first view data is sent to data compressing module, data compressing module is by each pixel in the first view data
The corresponding pixel points with m-bit data are compressed into, and then form the second view data；Frame memory module is used to receiving and storing the
Two view data, and send to data decompression module, so that the second view data decompression is condensed into each picture by data decompression module
Vegetarian refreshments is sent to data-driven module after having the 3rd view data of n-bit data；Second is switched to when handover module is got
During the switching command of mode of operation, the first view data is sent to data-driven module, data-driven module and is used for the 3rd
View data or the first view data are converted to data drive voltage signal, and are further driven using data drive voltage signal
The display screen of display is shown；Wherein n, m are positive integers, and m is less than n.
Wherein, data compressing module is further used for the n-bit data of each pixel in the first view data being compressed into
1 data of the corresponding pixel points in the second view data.
Wherein, data compressing module is further used for intercepting the n-bit data of each pixel in the first view data most
Numerical value of the numerical value of high position data as 1 data of the corresponding pixel points in the second view data.
Wherein, data decompression module is further used for 1 digit of each pixel in the second view data is identical according to this
Numerical value expand to n-bit data to obtain the 3rd view data.
Wherein, data-driven module further comprises data latch unit, D/A switch unit and source drive unit；
Data latch unit is used to receive and latch the 3rd view data or the first view data；D/A switch unit is used for the 3rd
View data or the first view data are converted to data drive voltage signal；Source drive unit is used to believe data drive voltage
Number apply in the respective data lines of display.
In order to solve the above technical problems, another technical solution used in the present invention be to provide it is a kind of for display
Driving method, the driving method comprise the following steps：Obtaining each pixel has the first view data of n-bit data, simultaneously
Obtain the switching command for switching to the first mode of operation or the second mode of operation；The first mode of operation is switched to if getting
Switching command, each pixel boil down in the first view data is had a corresponding pixel points of m-bit data, and then forms the
Two view data；Second view data is stored；The second view data decompression of storage is condensed into each pixel has n
3rd view data of position data；The data drive voltage of the display screen for driving display is generated according to the 3rd view data
Signal；If getting the switching command for switching to the second mode of operation, data-driven electricity is directly generated according to the first view data
Press signal；Wherein n, m are positive integers, and m is less than n.
Wherein, each pixel boil down in the first view data is had to the corresponding pixel points of m-bit data, and then shape
Include into the step of the second view data：The n-bit data of each pixel in first view data is compressed into the second picture number
1 data of the corresponding pixel points in.
Wherein, the corresponding picture n-bit data of each pixel in the first view data being compressed into the second view data
The step of 1 data of vegetarian refreshments, includes：Intercept the number of the highest order data of the n-bit data of each pixel in the first view data
It is worth the numerical value of 1 data as the corresponding pixel points in the second view data.
Wherein, the second view data decompression of storage is condensed into each pixel has the 3rd view data of n-bit data
The step of include：By 1 digit of each pixel in the second view data, identical numerical value expands to n-bit data to obtain according to this
3rd view data.
Wherein, the refreshing frequency of the first view data in the first operation mode is less than refreshing in the second operation mode
Frequency.
The beneficial effects of the invention are as follows：The drive control device of display provided by the invention provides two kinds of mode of operations,
The view data of input is compressed under the first mode of operation and frame stores, and is shown using the view data after compression
Show, suitable for the display image that color content is relatively fewer and refresh rate is relatively low (for example, black-and-white two color clock graphic or black and white
The static interfaces of dichromatism composition), and directly shown in the second operation mode using the view data of input, suitable for display
The image that color content is of a relatively high or refresh rate is of a relatively high (for example, video image).Compared with prior art, energy of the present invention
Enough drive control devices switched to according to switching command with frame memory module and without frame memory module, and storing mould with frame
During block, by the memory space of the digit compression storing data of view data and then reduction frame memory module so that drive control device
Cost reduce, while also reduce view data transmission caused by power consumption.
Brief description of the drawings
Fig. 1 is the schematic block diagram of the embodiment of drive control device one of display provided by the invention；
Fig. 2 is schematic diagram of the data compressing module by the first Image Data Compression into the second view data in Fig. 1
Fig. 3 is the schematic diagram for being used to store frame memory module of each pixel with 24 data in the prior art；
Fig. 4 is the schematic diagram for being used to store frame memory module of each pixel with 1 data in Fig. 1；
Fig. 5 is that data decompression module obtains the signal of threeth view data of each pixel with 24 data in Fig. 1
Figure；
Fig. 6 is the schematic flow sheet provided by the present invention for the embodiment of driving method one of display.
Embodiment
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Referring to Fig. 1, Fig. 1 is the schematic block diagram of the embodiment of drive control device one of display provided by the invention.Such as
Shown in Fig. 1, the drive control device 10 includes handover module 110, data compressing module 120, frame memory module 130, data decompression
Module 140 and data drive module 150；Handover module 110 has the first picture number of n-bit data for obtaining each pixel
According to, while obtain the switching command for switching to the first mode of operation or the second mode of operation；Cut when handover module 110 is got
When being changed to the switching command of the first mode of operation, the first view data is sent to data compressing module 120, data compressing module
Each pixel in first view data is compressed into the corresponding pixel points with m-bit data by 120, and then forms the second image
Data；Frame memory module 130 is used to receive and store the second view data, and sends to data decompression module 140, with by data
Decompression module 140 by the second view data decompression be condensed to each pixel have send after the 3rd view data of n-bit data to
Data-driven module 150；When handover module 110 gets the switching command for switching to the second mode of operation, by the first image
Data are sent to data-driven module 150, and data-driven module 150 is used to change the 3rd view data or the first view data
For data drive voltage signal, and the display screen for further driving display using data drive voltage signal is shown；Its
Middle n, m are positive integers, and m is less than n.
Wherein, handover module 110 passes through mobile Processing Interface for receiving the master controller (not shown in figure 1) of display
The first view data and switching command that (not shown in figure 1) is sent.
There are 24 data as handover module 110 gets each pixel in the first view data, i.e. n is 24, is represented
The display screen of display can show 24 RGBs.Each pixel has m-bit data in second view data, and optional m is
Any positive integer less than n.Now m it is optional be less than 24 any positive integer, such as 1,3,5,6,9 or other numerical value.
Wherein, data compressing module 120 is further used for compressing the n-bit data of each pixel in the first view data
Into 1 data of the corresponding pixel points in the second view data.
Specifically, data compressing module 120 is used to intercept the highest of the n-bit data of each pixel in the first view data
Numerical value of the numerical value of position data as 1 data of the corresponding pixel points in the second view data.
Referring to Fig. 2, Fig. 2 be in Fig. 1 data compressing module by the first Image Data Compression showing into the second view data
It is intended to.As shown in Fig. 2 with each pixel in the first view data there are 24 data to carry out example, it represents each pixel
Point can show 224Kind color.Example is that 24 data of a pixel in the first view data are 1,001 0000 in Fig. 2
1001 0,000 0,000 0000, the highest order data that data compressing module 120 intercepts 24 data are the number of a data
Numerical value of the value 1 as 1 data of the corresponding pixel points in the second view data.
In other embodiments, if each pixel in the first view data is compressed into m by data compressing module 120
When not being 1 other numerical value such as 3 data, the default m positions such as 3 of the n-bit data of each pixel in the first image of optional interception
Numerical value of the numerical value of position data as 3 data of corresponding pixel points in the second view data, as in above-mentioned Fig. 2, intercepts first
The highest order of 24 data of each pixel is the numerical value of first, the 9th and the 17th data in view data, i.e.,
110 numerical value as 3 data of corresponding pixel points in the second view data.Wherein intercepting default position in default m positions can be by
Developer or user are configured according to the primary color component digit data that each pixel includes in display.Normal conditions
Under, each pixel includes three primary color components, such as RGB component (or red light component, green component and blue light components).
Certainly, as known to those skilled in the art, in other embodiments, each pixel can include other primary color components.
Fig. 3 and Fig. 4 are referred to, Fig. 3 is to be used to store frame storage of each pixel with 24 data in the prior art
The schematic diagram of module, Fig. 4 are the schematic diagrames for being used to store frame memory module of each pixel with 1 data in Fig. 1.Such as figure
Shown in 3, frame memory module 130' of the prior art is used for 24 data for storing each pixel 131', and each pixel needs
Want 24 memory spaces.Specifically, 24 data include corresponding to 8 data (Fig. 3 of red light component in each pixel 131'
In be shown as R1, R2, R3, R4, R5, R6, R7 and R8), 8 data of corresponding green component (be shown as in Fig. 3 G1, G2, G3, G4,
G5, G6, G7 and G8) and corresponding blue light components 8 data (B1, B2, B3, B4, B5, B6, B7 and B8 are shown as in Fig. 3).It please join
Read shown in Fig. 4, when highest order in each pixel 131' 24 data in the first view data of interception of data compressing module 120
As R1 1 data of the numerical value as corresponding pixel points 131 in the second view data after, frame memory module 130 stores each picture
1 data of vegetarian refreshments 131, the memory space of the corresponding each pixel of this time frame memory module 130 by needing 24 in the prior art
Position is changed into 1, greatly reduces frame memory module 130' memory space, and frame memory module 130 of the invention is controlled to driving
The cost of device 10 processed does not almost increase, but also can send the second view data timing in frame memory module 130 extremely
Data decompression module 140 is used for subsequent conversion into data drive voltage signal, reduces master controller and sends the to handover module 110
The transmission power consumption of one view data and switching command.
Wherein, data decompression module 140 is further used for 1 digit of each pixel in the second view data phase according to this
Same numerical value expands to n-bit data to obtain the 3rd view data.
Referring to Fig. 5, Fig. 5 is that data decompression module obtains threeth image of each pixel with 24 data in Fig. 1
The structural representation of data.As shown in figure 5, with reference to shown in Fig. 2,1 data of a pixel are 1 in the second view data,
N positions such as 24 24 data for obtaining corresponding pixel points in the 3rd view data are then expanded to identical numerical value 1, that is, obtained
1111 1111 1111 1111 1111 1111。
In other embodiments, if each pixel in the second view data is not 1 by data decompression module 140
During other numeric datas such as 3 data decompressions of position data, optional by bits per inch in 3 data, identical numerical value is distinguished according to this
N positions such as 24 data are obtained after the default extension digit of extension and then form the 3rd view data.In such as above-mentioned Fig. 2, the second image
3 data of a pixel are 110 in data, and optional by the first digit, identical numerical value expands to 8 according to this, that is, extends 8
1,111 1111 are obtained behind position, 1111 are obtained after the second data, the 3rd data similarly are expanded into 8 with identical numerical value respectively
1111 and 0,000 0000, and then obtain 24 data, i.e., 1,111 1,111 1,111 1,111 0,000 0000, when the second picture number
Each pixel obtains the 3rd view data after decompressing in.3 digits of each pixel in wherein the second view data
The primary colours that can be included according to the default extension digit in decompression by developer or user according to each pixel of display
Component digit data are configured.
It is understood that the first view data and the 3rd view data are identical or different.Will with data compressing module 120
Exemplified by first Image Data Compression has the second view data of 1 data into each pixel, when every in the first view data
When the numerical value of 24 data of individual pixel is identical, the 3rd view data that obtains by data decompression module 140 is then with first
View data is identical, and the 3rd view data otherwise obtained by data decompression module 140 is then different from the first view data.
Please continue to refer to Fig. 1, data-driven module 150 further comprises data latch unit 151, D/A switch unit
152 and source drive unit 153；Data latch unit 151 is used to receive and latch the 3rd view data or the first view data；
D/A switch unit 152 is used to the 3rd view data or the first view data being converted to data drive voltage signal；Source electrode drives
Moving cell 153 be used for by data drive voltage signal apply in the respective data lines (not shown in figure 1) of display with driving
The display screen of display is shown.
In one embodiment, when the display of mobile phone needs real-time display dynamic menu such as playing video file
When, the handover module 110 in the drive control device 10 of the display of the mobile phone gets mobile phone master control with certain refreshing frequency
Device processed is by moving first view data of each pixel of Processing Interface transmission with 24 data and switching to the second work
First view data is further sent to data-driven module 150, data and driven by the switching command of operation mode, handover module 110
Dynamic model block 150 is used to the first view data being converted to data drive voltage signal, and is further believed using data drive voltage
Number driving mobile telephone display display screen shown.Wherein if refreshing frequency is 60Hz, then it represents that handover module 110 was at one second
60 the first view data of frame of interior acquisition, while data-driven module 150 is equally carried out with 60Hz refreshing frequency driving display screen
Display.I.e., now, the refreshing frequency for the first view data that handover module 110 is received is equal to the brush of the display screen of display
New frequency.
When the display of mobile phone needs the clock of two kinds of the black and white color composition of display one, as mobile phone is in leather sheath pattern
When, that is, when closing the leather sheath of mobile phone peripheral hardware, handover module 110, which receives each pixel that mobile phone master controller is sent, has 24
First view data of data and the switching command for switching to the first mode of operation；Specifically, for needing in the first view data
24 data for showing the pixel of black are OX000000 (hexadecimals, if switching to binary system for 0,000 0,000 0000
0000 0,000 0000), for needing to show that 24 data of pixel of white are OXFFFFFF (hexadecimals, if switching to
1,111 1,111 1,111 1,111 1,111 1111) binary system is；Handover module 110 further by the first view data send to
Data compressing module 120, data compressing module 120 are used for 1 data of each pixel boil down in the first view data
Corresponding pixel points, and then obtain the second view data, specifically, it would be desirable to show 1 data of pixel boil down to of black and
Numerical value is 0, it would be desirable to shows that 1 data of pixel boil down to of white and numerical value are 1；Frame memory module 130 stores each picture
Vegetarian refreshments has the second view data of 1 data, and sends to data decompression module 140, and data decompression module 140 is by the second figure
There is the 3rd view data of 24 as data decompression is condensed to each pixel, specifically, it would be desirable to show the pixel of black
It is 0 that decompression, which is condensed to 24 data and the numerical value of bits per inch evidence, it would be desirable to shows that the pixel decompression of white is condensed to 24 data
And the numerical value of bits per inch evidence is 1, then the 3rd view data is sent to data-driven module 150 data drive is converted into by it
Dynamic voltage signal, so that clock that black and white forms can be shown on the LCDs of mobile phone.
It is understood that there is the memory space of 1 data because frame memory module 130 is directed to each pixel 131,
Need each pixel 131' that there is the frame memory module 130' of 24 data, frame memory module of the invention more in the prior art
The cost of 130 pairs of drive control devices 10, but also can be by the second view data timing output to data decompression almost without increase
Module 140 is drive voltage signal for subsequent conversion, so that obtaining the display screen of mobile phone can normally show.If in the second Working mould
The refreshing frequency of image is 60Hz during formula, i.e., updates 60 frame image datas within 1 second, then the master controller in the first mode of operation
1 second 1 frame image data of renewal is needed, the corresponding refreshing frequency with 1Hz of handover module 110 receives the first view data, enabled to
The first view data is obtained when handover module 110 is compared with the second mode of operation and caused power consumption is greatly reduced.Meanwhile data-driven
Module 150 still shown with 60Hz refreshing frequency control display screen, such as by being timed to frame memory module 130,
It is set to export the second image to data decompression module 140 with 60Hz refreshing frequency.That is, handover module 110 is received
The first view data refreshing frequency be much smaller than display screen refreshing frequency.
It is understood that need to show tableaux in display or show that color content is less and refresh rate is relatively low
During image, because mobile Processing Interface is with command mode the first view data of transmission to handover module 110 so that follow-up data solution
Die block 140 regularly can receive the second view data from frame processing module 130, and then will be used after the decompression of the second view data
In subsequent conversion be data drive voltage signal.Therefore handover module 110 obtains the first view data in the first mode of operation
Frequency be less than the frequency of the first view data obtained in the second mode of operation.
Referring to Fig. 6, Fig. 6 is the flow signal provided by the present invention for the embodiment of driving method one of display
Figure.As shown in fig. 6, the driving method comprises the following steps：
Step 601：Obtaining each pixel has the first view data of n-bit data, while obtains and switch to the first work
The switching command of operation mode or the second mode of operation.
Step 602：If getting the switching command for switching to the first mode of operation, by each picture in the first view data
Vegetarian refreshments boil down to has the corresponding pixel points of m-bit data, and then forms the second view data；Wherein n, m are positive integers, and m is small
In n.
Step 603：Second view data is stored.
Step 604：The second view data decompression of storage is condensed into each pixel has the 3rd picture number of n-bit data
According to.
Step 605：The data drive voltage signal of the display screen for driving display is generated according to the 3rd view data.
Step 606：If getting the switching command for switching to the second mode of operation, directly generated according to the first view data
Data drive voltage signal.
Wherein, the display in the embodiment of drive control device one of the display in present embodiment and aforementioned display device
With identical structure, the corresponding handover module 110 of step 601-step 606, data compressing module 120, frame memory module 130,
Data decompression module 140 and data drive module 150 perform operation, and here is omitted.
Wherein, the refreshing frequency of the first view data in the first operation mode is less than refreshing in the second operation mode
Frequency.
Wherein, each pixel boil down in the first view data is had to the respective pixel of m-bit data in step 602
Point, and then the step of the second view data of formation includes：The n-bit data of each pixel in first view data is compressed into
1 data of the corresponding pixel points in two view data.
Specifically, the n-bit data of each pixel in the first view data is compressed into the correspondence in the second view data
The step of 1 data of pixel, includes：Intercept the highest order data of the n-bit data of each pixel in the first view data
Numerical value of the numerical value as 1 data of the corresponding pixel points in the second view data.
Further, the second view data decompression of storage is condensed into each pixel in step 604 has n-bit data
The step of three view data, includes：By 1 digit of each pixel in the second view data, identical numerical value expands to n according to this
Digit obtains the 3rd view data according to this.
Wherein, the step of directly generating data drive voltage signal according to described first image data in step 605 or 606
Further comprise the steps：
Latch the 3rd view data or the first view data.
3rd view data or the first view data are converted into data drive voltage signal.
Data drive voltage signal is applied to the respective data lines of display.
It is understood that directly generate data-driven electricity according to described first image data in above-mentioned steps 605 or 606
Correspond to data latch unit in the embodiment of drive control device one of aforementioned display device the step of pressure signals step includes respectively
151st, D/A switch unit 152 and source drive unit 153 perform operation, and here is omitted.
The situation of prior art is different from, the drive control device of display provided by the invention provides two kinds of mode of operations,
The view data of input is compressed in the first operational mode and frame stores, and utilizes the view data after compression to carry out
It has been shown that, suitable for the display image that color content is relatively fewer and refresh rate is relatively low (for example, black-and-white two color clock graphic or black
The static interfaces of white dichromatism composition), and directly shown in the second operation mode using the view data of input, suitable for aobvious
Show the image (for example, video image) that color content is of a relatively high or refresh rate is of a relatively high.Compared with prior art, it is of the invention
The drive control device with frame memory module and without frame memory module can be switched to according to switching command, and is stored with frame
During module, by the memory space of the digit compression storing data of view data and then reduction frame memory module so that drive control
The cost of device reduces, while also reduces power consumption caused by view data transmission.
Embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize the present invention
The equivalent structure or equivalent flow conversion that specification and accompanying drawing content are made, or directly or indirectly it is used in other related technologies
Field, it is included within the scope of the present invention.
Claims (10)
1. a kind of drive control device for display, it is characterised in that the drive control device includes handover module, data pressure
Contracting module, frame memory module, data decompression module and data drive module；The handover module is used to obtain each pixel tool
There is the first view data of n-bit data, while obtain the switching command for switching to the first mode of operation or the second mode of operation；
When the handover module gets the switching command for switching to the first mode of operation, described first image data are sent to institute
Data compressing module is stated, each pixel in described first image data is compressed into m positions by the data compressing module
The corresponding pixel points of data, and then form the second view data；The frame memory module is used to receive and store second figure
As data, and send to the data decompression module, to be decompressed second view data by the data decompression module
Sent after there is the 3rd view data of n-bit data for each pixel to the data-driven module；When the handover module
When getting the switching command for switching to the second mode of operation, described first image data are sent to the data-driven mould
Block, the data-driven module are used to the 3rd view data or described first image data being converted to data drive voltage
Signal, and the display screen for further driving the display using the data drive voltage signal is shown；
Wherein n, m are positive integers, and m is less than n；
It is quiet that first mode of operation refers to that described first image data form for black-and-white two color clock graphic or black-and-white two color
The mode of operation at state interface；Second mode of operation refers to the mode of operation that described first image data are video image.
2. drive control device according to claim 1, it is characterised in that the data compressing module is further used for institute
The n-bit data for stating each pixel in the first view data is compressed into 1 of the corresponding pixel points in second view data
Data.
3. drive control device according to claim 2, it is characterised in that the data compressing module is further used for intercepting
The numerical value of the highest order data of the n-bit data of each pixel is as in second view data in described first image data
Corresponding pixel points 1 data numerical value.
4. drive control device according to claim 2, it is characterised in that the data decompression module is further used for institute
Stating 1 digit of each pixel in the second view data, identical numerical value expands to n-bit data to obtain the 3rd figure according to this
As data.
5. according to the drive control device described in Claims 1-4 any one, it is characterised in that the data-driven module is entered
One step includes data latch unit, D/A switch unit and source drive unit；The data latch unit is used to receive and lock
Deposit the 3rd view data or described first image data；The D/A switch unit is used for the 3rd view data
Or described first image data are converted to the data drive voltage signal；The source drive unit is used to drive the data
Dynamic voltage signal applies to the respective data lines of the display.
6. a kind of driving method for display, it is characterised in that the described method comprises the following steps：
Obtaining each pixel has the first view data of n-bit data, while obtains and switch to the first mode of operation or the
The switching command of two mode of operations；
If getting the switching command for switching to the first mode of operation, each pixel in described first image data is compressed
For the corresponding pixel points with m-bit data, and then form the second view data；
Second view data is stored；
Second view data decompression of storage is condensed into each pixel has the 3rd view data of n-bit data；
The data drive voltage signal of the display screen for driving the display is generated according to the 3rd view data；
If getting the switching command for switching to the second mode of operation, directly the data are generated according to described first image data
Drive voltage signal；
Wherein n, m are positive integers, and m is less than n；
It is quiet that first mode of operation refers to that described first image data form for black-and-white two color clock graphic or black-and-white two color
The mode of operation at state interface；Second mode of operation refers to the mode of operation that described first image data are video image.
7. according to the method for claim 6, it is characterised in that each pixel in the data by described first image
Boil down to has the corresponding pixel points of m-bit data, and then the step of the second view data of formation includes：
The respective pixel n-bit data of each pixel in described first image data being compressed into second view data
1 data of point.
8. according to the method for claim 7, it is characterised in that each pixel in the data by described first image
The step of 1 data of the corresponding pixel points that n-bit data is compressed into second view data, includes：
The numerical value of the highest order data of the n-bit data of each pixel in described first image data is intercepted as second figure
As the numerical value of 1 data of the corresponding pixel points in data.
9. according to the method for claim 7, it is characterised in that described to be condensed to second view data decompression of storage
There is each pixel the step of three view data of n-bit data to include：
By 1 digit of each pixel in second view data, identical numerical value expands to n-bit data to obtain according to this
State the 3rd view data.
10. according to the method described in claim 6 to 9 any one, it is characterised in that described first image data are described
Refreshing frequency under one mode of operation is less than the refreshing frequency under second mode of operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510659271.2A CN105243983B (en) | 2015-10-12 | 2015-10-12 | A kind of drive control device and driving method for display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510659271.2A CN105243983B (en) | 2015-10-12 | 2015-10-12 | A kind of drive control device and driving method for display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105243983A CN105243983A (en) | 2016-01-13 |
| CN105243983B true CN105243983B (en) | 2018-01-16 |
Family
ID=55041607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510659271.2A Expired - Fee Related CN105243983B (en) | 2015-10-12 | 2015-10-12 | A kind of drive control device and driving method for display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105243983B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188673A (en) * | 2006-11-15 | 2008-05-28 | 群康科技(深圳)有限公司 | Display system and its display method |
| CN101739912A (en) * | 2009-12-29 | 2010-06-16 | 深圳超多维光电子有限公司 | Display |
| JP2013238852A (en) * | 2012-04-19 | 2013-11-28 | Semiconductor Energy Lab Co Ltd | Semiconductor device, image display device, storage device, and electronic apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101208296B1 (en) * | 2011-04-11 | 2012-12-05 | 삼성전기주식회사 | Apparatus for Processing On-Screen Display and System for Reprogramming Camera Module Having Apparatus for Processing On-Screen Display |
| US8884977B2 (en) * | 2012-08-24 | 2014-11-11 | Analogix Semiconductor, Inc. | Panel self refreshing with changing dynamic refresh rate |
-
2015
- 2015-10-12 CN CN201510659271.2A patent/CN105243983B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188673A (en) * | 2006-11-15 | 2008-05-28 | 群康科技(深圳)有限公司 | Display system and its display method |
| CN101739912A (en) * | 2009-12-29 | 2010-06-16 | 深圳超多维光电子有限公司 | Display |
| JP2013238852A (en) * | 2012-04-19 | 2013-11-28 | Semiconductor Energy Lab Co Ltd | Semiconductor device, image display device, storage device, and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105243983A (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105243982B (en) | A kind of drive control device and driving method for display | |
| US10553145B2 (en) | Pixel structure, display panel and driving method thereof | |
| KR100943278B1 (en) | Liquid crystal display, apparatus and method for driving thereof | |
| US7643042B2 (en) | Display device and driving circuit for displaying | |
| CN105989814B (en) | High speed display interface | |
| CN105895035B (en) | Overdrive circuit for display device | |
| CN100507648C (en) | Apparatus and method for transmission data, apparatus and method for driving image display device using the same | |
| CN110060642A (en) | Receiving device and liquid crystal display including receiving device | |
| US9368083B2 (en) | Liquid crystal display device adapted to partial display | |
| US20180196765A1 (en) | Column Bus Driving Method For Micro Display Device | |
| CN107624194A (en) | For the apparatus and method for the timing controller for operating display | |
| CN104835470A (en) | Display substrate driving device and driving method, and display equipment | |
| KR20080013130A (en) | Driving apparatus and method for display device | |
| CN101517632A (en) | Display method, display system, mobile communication terminal, and display controller | |
| JP2015102596A (en) | Drive device of display device | |
| CN105187809A (en) | Display processing method, display processing device and display device | |
| JP2002366107A (en) | Display device | |
| CN105243983B (en) | A kind of drive control device and driving method for display | |
| CN110415658A (en) | Image processing circuit and display equipment with image processing circuit | |
| JP2008268672A (en) | Display device | |
| CN102055933A (en) | OSD controller and control method thereof | |
| CN205039944U (en) | Show processing apparatus and display device | |
| CN105529004B (en) | Power saving display system and method | |
| TWI594230B (en) | Display apparatus and operating method thereof | |
| CN114550636B (en) | Control method of data driver and timing controller and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180116 Termination date: 20181012 |