CN104732909A - Image conversion method, signal source device and display driving device - Google Patents
Image conversion method, signal source device and display driving device Download PDFInfo
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Abstract
The invention provides an image conversion method, a signal source device and a display driving device. The signal source device comprises a storage module and an image conversion module, wherein the storage module is provided with a data writing interface and used for receiving and storing an image conversion algorithm written through the data writing interface, and the image conversion module is connected with the storage module and used for converting received original image data with M colors of subpixels into image data of N colors of subpixels according to the image conversion algorithm stored in the storage module and inputting the converted data into a time schedule controller. By means of the signal source device, when a data conversion algorithm needs to be changed, the corresponding data conversion algorithm only needs to be written into the storage module of a signal source, and a time schedule controller chip does not need to be changed.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of image conversion method, signal source device and display drive apparatus.
Background technology
At present, in the image display of such as liquid crystal panel (LCD) and organic EL display panel (OLED), be form a pixel with red (R) sub-pixel, green (G) sub-pixel and blueness (B) sub-pixel, the color being blended required display by the gray-scale value controlling each sub-pixel carrys out color display.Because RGB three primary colors luminescence efficiency is lower, the products perfection of the display device be made up of RGB three primary colors can be restricted, based on this, there is the pixel cell be made up of red (R) sub-pixel, green (G) sub-pixel, blueness (B) sub-pixel and white (W) pixel, to improve the luminescence efficiency of RGB display.
The signal transmission interface transmission of general such as USB interface, DVI interface be all the view data of rgb format, if the view data of rgb format is directly applied to RGBW display can cause image fault, therefore need the view data view data of rgb format being converted to RGBW form to show in RGBW display.
In prior art, generally translation arithmetic is incorporated in the form of hardware time schedule controller (Timing controller IC, be called for short T/CON) in, complete the conversion from the view data of rgb format to the view data of RGBW form by T/CON.Like this when changing translation arithmetic, need to redesign Temporal development controller, cost is higher.
Summary of the invention
One object of the present invention completes image conversion method and the device of the change of translation arithmetic under being to provide a kind of prerequisite not redesigning Temporal development controller.
The invention provides a kind of signal source device, comprising: memory module and image conversion module, described memory module has data write interface, stores for the translation arithmetic that receives by the write of described data write interface;
Described image conversion module is connected with described memory module, for will the raw image data with M kind color sub-pixels received be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module, and the data after conversion are input in time schedule controller.
Further, described image conversion module specifically for raw image data capable for X being converted to the capable view data of N*X/M according to the translation arithmetic stored in described memory module, and outputs to time schedule controller by N*X/M clock; Wherein, X is the line number of pixel data in raw image data.
Further, described image conversion module is specifically for according to each pixel data in the translation arithmetic stored in described memory module and raw image data, generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels; Wherein, described N is greater than M.
Further, described image conversion module is specifically for according to each pixel data in the raw image data of the translation arithmetic stored in described memory module and described rgb format, generate corresponding white sub-pixels data, and the white sub-pixels data of the raw image data of described rgb format and generation are carried out resetting the view data generating RGBW form.
Present invention also offers a kind of display drive apparatus, comprise the signal source device described in above-mentioned any one and time schedule controller.
Present invention also offers a kind of image conversion method, comprising:
Memory module receives the translation arithmetic by the write of its data write interface and stores;
Image conversion module will receive the raw image data with M kind color sub-pixels and be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module, and the data after conversion will be input in time schedule controller.
Further, the view data receiving the raw image data with M kind color sub-pixels and be converted to the sub-pixel with N kind color comprises according to the translation arithmetic stored in described memory module by described image conversion module:
According to the translation arithmetic stored in described memory module, raw image data capable for X is converted to the capable view data of N*X/M, and outputs to time schedule controller by N*X/M clock; Wherein, X is the line number of pixel data in raw image data.
Further, described image conversion module will receive the raw image data with M kind color sub-pixels and be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module, and the data after conversion are input in time schedule controller, specifically comprise:
According to each pixel data in the translation arithmetic stored in described memory module and raw image data, generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels; Wherein, described N is greater than M.
Further, each pixel data in described translation arithmetic according to storing in described memory module and raw image data, generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels, comprising:
According to each pixel data in the raw image data of the translation arithmetic stored in described memory module and described rgb format, generate corresponding white sub-pixels data, and the white sub-pixels data of the raw image data of described rgb format and generation are carried out resetting the view data generating RGBW form.
Adopt signal source device provided by the invention, when needs change data conversion algorithm, only need corresponding data conversion algorithm to be written in the memory module of signal source, and without the need to changing time schedule controller chip, the cost changing translation arithmetic can be reduced.
Accompanying drawing explanation
The structural representation of a kind of signal source device that Fig. 1 provides for one embodiment of the invention;
Fig. 2 is the workflow diagram of the image conversion apparatus in Fig. 1;
Fig. 3 is the workflow diagram of the image conversion apparatus in Fig. 1;
The schematic flow sheet of the image conversion method that Fig. 4 provides for another embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
First aspect, one embodiment of the invention provides a kind of signal source device, and as shown in Figure 1, this device can comprise: memory module 100 and image conversion module 200;
Wherein, memory module 100 have data write interface, for receive by data write interface write translation arithmetic and store;
Image conversion module 200 is connected with memory module 100, and there is view data input interface and view data output interface, for the view data that the raw image data with M kind color sub-pixels is converted to the sub-pixel with N kind color will be received from view data input interface according to the translation arithmetic stored in memory module 100, and the data after conversion are input in time schedule controller by view data output interface.
Adopt signal source device provided by the invention, when needs change data conversion algorithm, only need corresponding data conversion algorithm to be written in the memory module of signal source, and without the need to changing time schedule controller chip, the cost changing translation arithmetic can be reduced.
In the specific implementation, signal source device here specifically can refer to player in display device or other are for providing the element of view data for time schedule controller.
In the specific implementation, memory module here can for storer or other there is the element of memory function.
In the specific implementation, here image conversion module 200 can be specifically for, according to the translation arithmetic stored in described memory module, raw image data capable for X is converted to the capable view data of N*X/M, and outputs to time schedule controller by N*X/M clock; Wherein, X is the line number of pixel data in raw image data.
For example, with reference to figure 2, if the full HD view data that raw image data is 1920*1080*3 (namely comprises 1920 row 1080 row pixel datas, each pixel data comprises the sub-pixel of 3 colors), need the sub-pixel data being converted to 4 colors, view data then after now conversion can be expressed as 2560*1080*3, and is input to time schedule controller by 2560 clocks.
Understandable, " OK " is here consistent with the concept of row in " line scanning " of gate driver circuit.
Optionally, here image conversion module 200 can specifically for according in described memory module 100 store translation arithmetic and raw image data in each pixel data, generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels; Wherein, described N is greater than M.
Further, N here can be 4, M can be 3.Now, image conversion module 200 can specifically for being converted to the view data of RGBW form by the raw image data of rgb format.The idiographic flow that now raw image data of rgb format is converted to the view data of RGBW form by image conversion module 200 here can comprise: according to each pixel data in the raw image data of the translation arithmetic stored in described memory module and described rgb format, generates corresponding white sub-pixels data; Afterwards the white sub-pixels data of the raw image data of described rgb format and generation are carried out resetting the view data generating RGBW form.
With reference to figure 3, same hypothesis needs the view data raw image data of 1920*1080*3 being converted to 2560*1080*3.Then can generate white sub-pixels data according to for each pixel data, a 1920*1080 pixel data corresponding 1920*1080*1 white sub-pixels altogether.Then the empty data of a 2560*1080*3 are generated, and each pixel data and white sub-pixels W corresponding to this pixel data are put in sky data reset, specifically, after white sub-pixels data can being inserted into last sub-pixel corresponding to each pixel data (in figure, last sub-pixel is B).
The benefit of being carried out the mode of image conversion by the mode of resetting it is possible to by changing the algorithm stored in memory module, makes same image conversion apparatus complete the conversion of the image to the two kinds of forms organized between different images form more.Such as, in the embodiment of the present invention, by storing rgb format in a storage module to the translation arithmetic of RGBW form, the conversion of view data to the view data of RGBW form of rgb format can be completed.Also by storing CMY form in a storage module to the translation arithmetic of CMYK form, the conversion of view data to the view data of CMYK form of CMY form can be completed.Now above-mentioned step S21 can replace with, and for each CMY pixel data, generates a K sub-pixel data, in step S22, the Y sub-pixel data of raw data and generation is carried out resetting the view data generating CMYK form.
Second aspect, present invention also offers a kind of image conversion method, and as shown in Figure 4, the method comprises:
Step S1, memory module receives the translation arithmetic by the write of its data write interface and stores;
Step S2, image conversion module will receive the raw image data with M kind color sub-pixels and be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module, and the data after conversion will be input in time schedule controller.
In the image conversion method that the embodiment of the present invention provides, memory module receives the translation arithmetic by the write of its data write interface and stores, and image conversion module is changed view data according to the translation arithmetic stored in described memory module.Like this, when needs change data conversion algorithm, only need corresponding data conversion algorithm to be written in the memory module of signal source, and without the need to changing time schedule controller chip.
In the specific implementation, above-mentioned step S2 can specifically comprise not shown:
Step S2 ', raw image data capable for X is converted to the capable view data of N*X/M according to the translation arithmetic stored in described memory module by image conversion module, and outputs to time schedule controller by N*X/M clock; Wherein, X is the line number of pixel data in raw image data.
During concrete enforcement, above-mentioned step S2 can specifically comprise not shown:
Step S2 "; according to each pixel data in the translation arithmetic stored in described storage mould and raw image data; generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels; Wherein, described N is greater than M.
In the specific implementation, the value of M here can be the value of 3, N can be 4.
Further, the raw image data with the sub-pixel of 3 kinds of colors can be the view data of rgb format, and the view data with the sub-pixel of 4 kinds of colors can be RGBW form.To the raw image data with M kind color sub-pixels be received be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module in now above-mentioned step S2, be specially: the view data according to the translation arithmetic stored in described memory module, the raw image data of rgb format being converted to RGBW form.
Certainly, the method that the embodiment of the present invention provides in actual applications also may be used for the conversion of the view data realizing extended formatting.
Further, the above-mentioned process according to the translation arithmetic stored in described memory module, the raw image data of rgb format being converted to the view data of RGBW form can specifically comprise not shown:
Step S21, according to each pixel data in the raw image data of the translation arithmetic stored in described memory module and described rgb format, generates corresponding white sub-pixels data;
The white sub-pixels data of the raw image data of described rgb format and generation are carried out resetting the view data generating RGBW form by step S22.
The third aspect, present invention also offers a kind of display drive apparatus, and this display drive apparatus can comprise the signal source device described in above-mentioned any one, also comprises a time schedule controller.
Display drive apparatus provided by the invention, when needs change data conversion algorithm, only need corresponding data conversion algorithm to be written in the memory module of signal source, and without the need to changing time schedule controller chip, the cost changing translation arithmetic can be reduced.
The above, be only the specific embodiment of the present invention, but; protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the change that can expect easily or substitute, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (9)
1. a signal source device, is characterized in that, comprising: memory module and image conversion module, and described memory module has data write interface, stores for the translation arithmetic that receives by the write of described data write interface;
Described image conversion module is connected with described memory module, for will the raw image data with M kind color sub-pixels received be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module, and the data after conversion are input in time schedule controller.
2. signal source device as claimed in claim 1, it is characterized in that, described image conversion module specifically for raw image data capable for X being converted to the capable view data of N*X/M according to the translation arithmetic stored in described memory module, and outputs to time schedule controller by N*X/M clock; Wherein, X is the line number of pixel data in raw image data.
3. signal source device as claimed in claim 1, it is characterized in that, described image conversion module is specifically for according to each pixel data in the translation arithmetic stored in described memory module and raw image data, generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels; Wherein, described N is greater than M.
4. signal source device as claimed in claim 3, it is characterized in that, described image conversion module is specifically for according to each pixel data in the raw image data of the translation arithmetic stored in described memory module and described rgb format, generate corresponding white sub-pixels data, and the white sub-pixels data of the raw image data of described rgb format and generation are carried out resetting the view data generating RGBW form.
5. a display drive apparatus, is characterized in that, comprises the signal source device as described in any one of claim 1-4 and time schedule controller.
6. an image conversion method, is characterized in that, comprising:
Memory module receives the translation arithmetic by the write of its data write interface and stores;
Image conversion module will receive the raw image data with M kind color sub-pixels and be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module, and the data after conversion will be input in time schedule controller.
7. image conversion method as claimed in claim 6, it is characterized in that, the view data receiving the raw image data with M kind color sub-pixels and be converted to the sub-pixel with N kind color comprises according to the translation arithmetic stored in described memory module by described image conversion module:
According to the translation arithmetic stored in described memory module, raw image data capable for X is converted to the capable view data of N*X/M, and outputs to time schedule controller by N*X/M clock; Wherein, X is the line number of pixel data in raw image data.
8. image conversion method as claimed in claim 6, it is characterized in that, described image conversion module will receive the raw image data with M kind color sub-pixels and be converted to the view data of the sub-pixel with N kind color according to the translation arithmetic stored in described memory module, and the data after conversion are input in time schedule controller, specifically comprise:
According to each pixel data in the translation arithmetic stored in described memory module and raw image data, generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels; Wherein, described N is greater than M.
9. image conversion method as claimed in claim 8, it is characterized in that, each pixel data in described translation arithmetic according to storing in described memory module and raw image data, generate the sub-pixel data of the different colours of (N-M) individual correspondence, and the sub-pixel data of described raw image data and generation is carried out resetting the view data generating and have N kind color sub-pixels, comprising:
According to each pixel data in the raw image data of the translation arithmetic stored in described memory module and described rgb format, generate corresponding white sub-pixels data, and the white sub-pixels data of the raw image data of described rgb format and generation are carried out resetting the view data generating RGBW form.
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